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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/pdbf-toolkit/data/c3.js
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+(function (window) {
+ 'use strict';
+
+ /*global define, module, exports, require */
+
+ var c3 = { version: "0.4.11-rc4" };
+
+ var c3_chart_fn,
+ c3_chart_internal_fn,
+ c3_chart_internal_axis_fn;
+
+ function API(owner) {
+ this.owner = owner;
+ }
+
+ function inherit(base, derived) {
+
+ if (Object.create) {
+ derived.prototype = Object.create(base.prototype);
+ } else {
+ var f = function f() {};
+ f.prototype = base.prototype;
+ derived.prototype = new f();
+ }
+
+ derived.prototype.constructor = derived;
+
+ return derived;
+ }
+
+ function Chart(config) {
+ var $$ = this.internal = new ChartInternal(this);
+ $$.loadConfig(config);
+
+ $$.beforeInit(config);
+ $$.init();
+ $$.afterInit(config);
+
+ // bind "this" to nested API
+ (function bindThis(fn, target, argThis) {
+ Object.keys(fn).forEach(function (key) {
+ target[key] = fn[key].bind(argThis);
+ if (Object.keys(fn[key]).length > 0) {
+ bindThis(fn[key], target[key], argThis);
+ }
+ });
+ })(c3_chart_fn, this, this);
+ }
+
+ function ChartInternal(api) {
+ var $$ = this;
+ $$.d3 = window.d3 ? window.d3 : typeof require !== 'undefined' ? require("d3") : undefined;
+ $$.api = api;
+ $$.config = $$.getDefaultConfig();
+ $$.data = {};
+ $$.cache = {};
+ $$.axes = {};
+ }
+
+ c3.generate = function (config) {
+ return new Chart(config);
+ };
+
+ c3.chart = {
+ fn: Chart.prototype,
+ internal: {
+ fn: ChartInternal.prototype,
+ axis: {
+ fn: Axis.prototype
+ }
+ }
+ };
+ c3_chart_fn = c3.chart.fn;
+ c3_chart_internal_fn = c3.chart.internal.fn;
+ c3_chart_internal_axis_fn = c3.chart.internal.axis.fn;
+
+ c3_chart_internal_fn.beforeInit = function () {
+ // can do something
+ };
+ c3_chart_internal_fn.afterInit = function () {
+ // can do something
+ };
+ c3_chart_internal_fn.init = function () {
+ var $$ = this, config = $$.config;
+
+ $$.initParams();
+
+ if (config.data_url) {
+ $$.convertUrlToData(config.data_url, config.data_mimeType, config.data_keys, $$.initWithData);
+ }
+ else if (config.data_json) {
+ $$.initWithData($$.convertJsonToData(config.data_json, config.data_keys));
+ }
+ else if (config.data_rows) {
+ $$.initWithData($$.convertRowsToData(config.data_rows));
+ }
+ else if (config.data_columns) {
+ $$.initWithData($$.convertColumnsToData(config.data_columns));
+ }
+ else {
+ throw Error('url or json or rows or columns is required.');
+ }
+ };
+
+ c3_chart_internal_fn.initParams = function () {
+ var $$ = this, d3 = $$.d3, config = $$.config;
+
+ // MEMO: clipId needs to be unique because it conflicts when multiple charts exist
+ $$.clipId = "c3-" + (+new Date()) + '-clip',
+ $$.clipIdForXAxis = $$.clipId + '-xaxis',
+ $$.clipIdForYAxis = $$.clipId + '-yaxis',
+ $$.clipIdForGrid = $$.clipId + '-grid',
+ $$.clipIdForSubchart = $$.clipId + '-subchart',
+ $$.clipPath = $$.getClipPath($$.clipId),
+ $$.clipPathForXAxis = "";//$$.getClipPath($$.clipIdForXAxis),
+ $$.clipPathForYAxis = "";//$$.getClipPath($$.clipIdForYAxis);
+ $$.clipPathForGrid = $$.getClipPath($$.clipIdForGrid),
+ $$.clipPathForSubchart = $$.getClipPath($$.clipIdForSubchart),
+
+ $$.dragStart = null;
+ $$.dragging = false;
+ $$.flowing = false;
+ $$.cancelClick = false;
+ $$.mouseover = false;
+ $$.transiting = false;
+
+ $$.color = $$.generateColor();
+ $$.levelColor = $$.generateLevelColor();
+
+ $$.dataTimeFormat = config.data_xLocaltime ? d3.time.format : d3.time.format.utc;
+ $$.axisTimeFormat = config.axis_x_localtime ? d3.time.format : d3.time.format.utc;
+ $$.defaultAxisTimeFormat = $$.axisTimeFormat.multi([
+ [".%L", function (d) { return d.getMilliseconds(); }],
+ [":%S", function (d) { return d.getSeconds(); }],
+ ["%I:%M", function (d) { return d.getMinutes(); }],
+ ["%I %p", function (d) { return d.getHours(); }],
+ ["%-m/%-d", function (d) { return d.getDay() && d.getDate() !== 1; }],
+ ["%-m/%-d", function (d) { return d.getDate() !== 1; }],
+ ["%-m/%-d", function (d) { return d.getMonth(); }],
+ ["%Y/%-m/%-d", function () { return true; }]
+ ]);
+
+ $$.hiddenTargetIds = [];
+ $$.hiddenLegendIds = [];
+ $$.focusedTargetIds = [];
+ $$.defocusedTargetIds = [];
+
+ $$.xOrient = config.axis_rotated ? "left" : "bottom";
+ $$.yOrient = config.axis_rotated ? (config.axis_y_inner ? "top" : "bottom") : (config.axis_y_inner ? "right" : "left");
+ $$.y2Orient = config.axis_rotated ? (config.axis_y2_inner ? "bottom" : "top") : (config.axis_y2_inner ? "left" : "right");
+ $$.subXOrient = config.axis_rotated ? "left" : "bottom";
+
+ $$.isLegendRight = config.legend_position === 'right';
+ $$.isLegendInset = config.legend_position === 'inset';
+ $$.isLegendTop = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'top-right';
+ $$.isLegendLeft = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'bottom-left';
+ $$.legendStep = 0;
+ $$.legendItemWidth = 0;
+ $$.legendItemHeight = 0;
+
+ $$.currentMaxTickWidths = {
+ x: 0,
+ y: 0,
+ y2: 0
+ };
+
+ $$.rotated_padding_left = 30;
+ $$.rotated_padding_right = config.axis_rotated && !config.axis_x_show ? 0 : 30;
+ $$.rotated_padding_top = 5;
+
+ $$.withoutFadeIn = {};
+
+ $$.intervalForObserveInserted = undefined;
+
+ $$.axes.subx = d3.selectAll([]); // needs when excluding subchart.js
+ };
+
+ c3_chart_internal_fn.initChartElements = function () {
+ if (this.initBar) { this.initBar(); }
+ if (this.initLine) { this.initLine(); }
+ if (this.initArc) { this.initArc(); }
+ if (this.initGauge) { this.initGauge(); }
+ if (this.initText) { this.initText(); }
+ };
+
+ c3_chart_internal_fn.initWithData = function (data) {
+ var $$ = this, d3 = $$.d3, config = $$.config;
+ var defs, main, binding = true;
+
+ $$.axis = new Axis($$);
+
+ if ($$.initPie) { $$.initPie(); }
+ if ($$.initBrush) { $$.initBrush(); }
+ if ($$.initZoom) { $$.initZoom(); }
+
+ if (!config.bindto) {
+ $$.selectChart = d3.selectAll([]);
+ }
+ else if (typeof config.bindto.node === 'function') {
+ $$.selectChart = config.bindto;
+ }
+ else {
+ $$.selectChart = d3.select(config.bindto);
+ }
+ if ($$.selectChart.empty()) {
+ $$.selectChart = d3.select(document.createElement('div')).style('opacity', 0);
+ $$.observeInserted($$.selectChart);
+ binding = false;
+ }
+ $$.selectChart.html("").classed("c3", true);
+
+ // Init data as targets
+ $$.data.xs = {};
+ $$.data.targets = $$.convertDataToTargets(data);
+
+ if (config.data_filter) {
+ $$.data.targets = $$.data.targets.filter(config.data_filter);
+ }
+
+ // Set targets to hide if needed
+ if (config.data_hide) {
+ $$.addHiddenTargetIds(config.data_hide === true ? $$.mapToIds($$.data.targets) : config.data_hide);
+ }
+ if (config.legend_hide) {
+ $$.addHiddenLegendIds(config.legend_hide === true ? $$.mapToIds($$.data.targets) : config.legend_hide);
+ }
+
+ // when gauge, hide legend // TODO: fix
+ if ($$.hasType('gauge')) {
+ config.legend_show = false;
+ }
+
+ // Init sizes and scales
+ $$.updateSizes();
+ $$.updateScales();
+
+ // Set domains for each scale
+ var xd = $$.getXDomain($$.data.targets);
+ var yd = $$.getYDomain($$.data.targets, 'y');
+ c3_chart_fn.xd = function() { return xd };
+ c3_chart_fn.yd = function() { return yd };
+ c3_chart_fn.pl = function() { return $$.margin.left; };
+ c3_chart_fn.pb = function() { return $$.margin.bottom; };
+ $$.x.domain(d3.extent(xd));
+ $$.y.domain(yd);
+ $$.y2.domain($$.getYDomain($$.data.targets, 'y2'));
+ $$.subX.domain($$.x.domain());
+ $$.subY.domain($$.y.domain());
+ $$.subY2.domain($$.y2.domain());
+
+ // Save original x domain for zoom update
+ $$.orgXDomain = $$.x.domain();
+
+ // Set initialized scales to brush and zoom
+ if ($$.brush) { $$.brush.scale($$.subX); }
+ if (config.zoom_enabled) { $$.zoom.scale($$.x); }
+
+ /*-- Basic Elements --*/
+
+ // Define svgs
+ $$.svg = $$.selectChart.append("svg")
+ .style("overflow", "hidden")
+ .on('mouseenter', function () { return config.onmouseover.call($$); })
+ .on('mouseleave', function () { return config.onmouseout.call($$); });
+
+ if ($$.config.svg_classname) {
+ $$.svg.attr('class', $$.config.svg_classname);
+ }
+
+ //////////////////////////////////////////////////////////////////////
+ config.point_r = config.point_r * config.completeScale;
+ $$.svg[0][0].style.strokeWidth = config.completeScale;
+ //////////////////////////////////////////////////////////////////////
+
+ // Define defs
+ defs = $$.svg.append("defs");
+ $$.clipChart = $$.appendClip(defs, $$.clipId);
+ $$.clipXAxis = $$.appendClip(defs, $$.clipIdForXAxis);
+ $$.clipYAxis = $$.appendClip(defs, $$.clipIdForYAxis);
+ $$.clipGrid = $$.appendClip(defs, $$.clipIdForGrid);
+ $$.clipSubchart = $$.appendClip(defs, $$.clipIdForSubchart);
+ $$.updateSvgSize();
+
+ // Define regions
+ main = $$.main = $$.svg.append("g").attr("transform", $$.getTranslate('main'));
+
+ if ($$.initSubchart) { $$.initSubchart(); }
+ if ($$.initTooltip) { $$.initTooltip(); }
+ if ($$.initLegend) { $$.initLegend(); }
+ if ($$.initTitle) { $$.initTitle(); }
+
+ /*-- Main Region --*/
+
+ // text when empty
+ main.append("text")
+ .attr("class", CLASS.text + ' ' + CLASS.empty)
+ .attr("text-anchor", "middle") // horizontal centering of text at x position in all browsers.
+ .attr("dominant-baseline", "middle"); // vertical centering of text at y position in all browsers, except IE.
+
+ // Regions
+ $$.initRegion();
+
+ // Grids
+ $$.initGrid();
+
+ // Define g for chart area
+ main.append('g')
+ .attr("clip-path", $$.clipPath)
+ .attr('class', CLASS.chart);
+
+ // Grid lines
+ if (config.grid_lines_front) { $$.initGridLines(); }
+
+ // Cover whole with rects for events
+ $$.initEventRect();
+
+ // Define g for chart
+ $$.initChartElements();
+
+ // if zoom privileged, insert rect to forefront
+ // TODO: is this needed?
+ main.insert('rect', config.zoom_privileged ? null : 'g.' + CLASS.regions)
+ .attr('class', CLASS.zoomRect)
+ .attr('width', $$.width)
+ .attr('height', $$.height)
+ .style('opacity', 0)
+ .on("dblclick.zoom", null);
+
+ // Set default extent if defined
+ if (config.axis_x_extent) { $$.brush.extent($$.getDefaultExtent()); }
+
+ // Add Axis
+ $$.axis.init();
+
+ // Set targets
+ $$.updateTargets($$.data.targets);
+
+ // Draw with targets
+ if (binding) {
+ $$.updateDimension();
+ $$.config.oninit.call($$);
+ $$.redraw({
+ withTransition: false,
+ withTransform: true,
+ withUpdateXDomain: true,
+ withUpdateOrgXDomain: true,
+ withTransitionForAxis: false
+ });
+ }
+
+ // Bind resize event
+ $$.bindResize();
+
+ // export element of the chart
+ $$.api.element = $$.selectChart.node();
+ };
+
+ c3_chart_internal_fn.smoothLines = function (el, type) {
+ var $$ = this;
+ if (type === 'grid') {
+ el.each(function () {
+ var g = $$.d3.select(this),
+ x1 = g.attr('x1'),
+ x2 = g.attr('x2'),
+ y1 = g.attr('y1'),
+ y2 = g.attr('y2');
+ g.attr({
+ 'x1': Math.ceil(x1),
+ 'x2': Math.ceil(x2),
+ 'y1': Math.ceil(y1),
+ 'y2': Math.ceil(y2)
+ });
+ });
+ }
+ };
+
+
+ c3_chart_internal_fn.updateSizes = function () {
+ var $$ = this, config = $$.config;
+ var legendHeight = $$.legend ? $$.getLegendHeight() : 0,
+ legendWidth = $$.legend ? $$.getLegendWidth() : 0,
+ legendHeightForBottom = $$.isLegendRight || $$.isLegendInset ? 0 : legendHeight,
+ hasArc = $$.hasArcType(),
+ xAxisHeight = config.axis_rotated || hasArc ? 0 : $$.getHorizontalAxisHeight('x'),
+ subchartHeight = config.subchart_show && !hasArc ? (config.subchart_size_height + xAxisHeight) : 0;
+
+ $$.currentWidth = $$.getCurrentWidth();
+ $$.currentHeight = $$.getCurrentHeight();
+
+ // for main
+ $$.margin = config.axis_rotated ? {
+ top: $$.getHorizontalAxisHeight('y2') + $$.getCurrentPaddingTop(),
+ right: hasArc ? 0 : $$.getCurrentPaddingRight(),
+ bottom: $$.getHorizontalAxisHeight('y') + legendHeightForBottom + $$.getCurrentPaddingBottom(),
+ left: subchartHeight + (hasArc ? 0 : $$.getCurrentPaddingLeft())
+ } : {
+ top: 4 * config.completeScale + $$.getCurrentPaddingTop(), // for top tick text
+ right: hasArc ? 0 : $$.getCurrentPaddingRight(),
+ bottom: xAxisHeight + subchartHeight + legendHeightForBottom + $$.getCurrentPaddingBottom(),
+ left: hasArc ? 0 : $$.getCurrentPaddingLeft()
+ };
+
+ // for subchart
+ $$.margin2 = config.axis_rotated ? {
+ top: $$.margin.top,
+ right: NaN,
+ bottom: 20 * config.completeScale + legendHeightForBottom,
+ left: $$.rotated_padding_left
+ } : {
+ top: $$.currentHeight - subchartHeight - legendHeightForBottom,
+ right: NaN,
+ bottom: xAxisHeight + legendHeightForBottom,
+ left: $$.margin.left
+ };
+
+ // for legend
+ $$.margin3 = {
+ top: 0,
+ right: NaN,
+ bottom: 0,
+ left: 0
+ };
+ if ($$.updateSizeForLegend) { $$.updateSizeForLegend(legendHeight, legendWidth); }
+
+ $$.width = $$.currentWidth - $$.margin.left - $$.margin.right;
+ $$.height = $$.currentHeight - $$.margin.top - $$.margin.bottom;
+ if ($$.width <= 0) { $$.width = 1; }
+ if ($$.height <= 0) { $$.height = 1; }
+
+ $$.width2 = config.axis_rotated ? $$.margin.left - $$.rotated_padding_left - $$.rotated_padding_right : $$.width;
+ $$.height2 = config.axis_rotated ? $$.height : $$.currentHeight - $$.margin2.top - $$.margin2.bottom;
+ if ($$.width2 < 0) { $$.width2 = 0; }
+ if ($$.height2 < 0) { $$.height2 = 0; }
+
+ // for arc
+ $$.arcWidth = $$.width - ($$.isLegendRight ? legendWidth + 10 : 0);
+ $$.arcHeight = $$.height - ($$.isLegendRight ? 0 : 10);
+ if ($$.hasType('gauge')) {
+ $$.arcHeight += $$.height - $$.getGaugeLabelHeight();
+ }
+ if ($$.updateRadius) { $$.updateRadius(); }
+
+ if ($$.isLegendRight && hasArc) {
+ $$.margin3.left = $$.arcWidth / 2 + $$.radiusExpanded * 1.1;
+ }
+ };
+
+ c3_chart_internal_fn.updateTargets = function (targets) {
+ var $$ = this;
+
+ /*-- Main --*/
+
+ //-- Text --//
+ $$.updateTargetsForText(targets);
+
+ //-- Bar --//
+ $$.updateTargetsForBar(targets);
+
+ //-- Line --//
+ $$.updateTargetsForLine(targets);
+
+ //-- Arc --//
+ if ($$.hasArcType() && $$.updateTargetsForArc) { $$.updateTargetsForArc(targets); }
+
+ /*-- Sub --*/
+
+ if ($$.updateTargetsForSubchart) { $$.updateTargetsForSubchart(targets); }
+
+ // Fade-in each chart
+ $$.showTargets();
+ };
+ c3_chart_internal_fn.showTargets = function () {
+ var $$ = this;
+ $$.svg.selectAll('.' + CLASS.target).filter(function (d) { return $$.isTargetToShow(d.id); })
+ .transition().duration($$.config.transition_duration)
+ .style("opacity", 1);
+ };
+
+ c3_chart_internal_fn.redraw = function (options, transitions) {
+ var $$ = this, main = $$.main, d3 = $$.d3, config = $$.config;
+ var areaIndices = $$.getShapeIndices($$.isAreaType), barIndices = $$.getShapeIndices($$.isBarType), lineIndices = $$.getShapeIndices($$.isLineType);
+ var withY, withSubchart, withTransition, withTransitionForExit, withTransitionForAxis,
+ withTransform, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain, withLegend,
+ withEventRect, withDimension, withUpdateXAxis;
+ var hideAxis = $$.hasArcType();
+ var drawArea, drawBar, drawLine, xForText, yForText;
+ var duration, durationForExit, durationForAxis;
+ var waitForDraw, flow;
+ var targetsToShow = $$.filterTargetsToShow($$.data.targets), tickValues, i, intervalForCulling, xDomainForZoom;
+ var xv = $$.xv.bind($$), cx, cy;
+
+ options = options || {};
+ withY = getOption(options, "withY", true);
+ withSubchart = getOption(options, "withSubchart", true);
+ withTransition = getOption(options, "withTransition", true);
+ withTransform = getOption(options, "withTransform", false);
+ withUpdateXDomain = getOption(options, "withUpdateXDomain", false);
+ withUpdateOrgXDomain = getOption(options, "withUpdateOrgXDomain", false);
+ withTrimXDomain = getOption(options, "withTrimXDomain", true);
+ withUpdateXAxis = getOption(options, "withUpdateXAxis", withUpdateXDomain);
+ withLegend = getOption(options, "withLegend", false);
+ withEventRect = getOption(options, "withEventRect", true);
+ withDimension = getOption(options, "withDimension", true);
+ withTransitionForExit = getOption(options, "withTransitionForExit", withTransition);
+ withTransitionForAxis = getOption(options, "withTransitionForAxis", withTransition);
+
+ duration = withTransition ? config.transition_duration : 0;
+ durationForExit = withTransitionForExit ? duration : 0;
+ durationForAxis = withTransitionForAxis ? duration : 0;
+
+ transitions = transitions || $$.axis.generateTransitions(durationForAxis);
+
+ // update legend and transform each g
+ if (withLegend && config.legend_show) {
+ $$.updateLegend($$.mapToIds($$.data.targets), options, transitions);
+ } else if (withDimension) {
+ // need to update dimension (e.g. axis.y.tick.values) because y tick values should change
+ // no need to update axis in it because they will be updated in redraw()
+ $$.updateDimension(true);
+ }
+
+ // MEMO: needed for grids calculation
+ if ($$.isCategorized() && targetsToShow.length === 0) {
+ $$.x.domain([0, $$.axes.x.selectAll('.tick').size()]);
+ }
+
+ if (targetsToShow.length) {
+ $$.updateXDomain(targetsToShow, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain);
+ if (!config.axis_x_tick_values) {
+ tickValues = $$.axis.updateXAxisTickValues(targetsToShow);
+ }
+ } else {
+ $$.xAxis.tickValues([]);
+ $$.subXAxis.tickValues([]);
+ }
+
+ if (config.zoom_rescale && !options.flow) {
+ xDomainForZoom = $$.x.orgDomain();
+ }
+
+ $$.y.domain($$.getYDomain(targetsToShow, 'y', xDomainForZoom));
+ $$.y2.domain($$.getYDomain(targetsToShow, 'y2', xDomainForZoom));
+
+ if (!config.axis_y_tick_values && config.axis_y_tick_count) {
+ $$.yAxis.tickValues($$.axis.generateTickValues($$.y.domain(), config.axis_y_tick_count));
+ }
+ if (!config.axis_y2_tick_values && config.axis_y2_tick_count) {
+ $$.y2Axis.tickValues($$.axis.generateTickValues($$.y2.domain(), config.axis_y2_tick_count));
+ }
+
+ // axes
+ $$.axis.redraw(transitions, hideAxis);
+
+ // Update axis label
+ $$.axis.updateLabels(withTransition);
+
+ // show/hide if manual culling needed
+ if ((withUpdateXDomain || withUpdateXAxis) && targetsToShow.length) {
+ if (config.axis_x_tick_culling && tickValues) {
+ for (i = 1; i < tickValues.length; i++) {
+ if (tickValues.length / i < config.axis_x_tick_culling_max) {
+ intervalForCulling = i;
+ break;
+ }
+ }
+ $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').each(function (e) {
+ var index = tickValues.indexOf(e);
+ if (index >= 0) {
+ d3.select(this).style('display', index % intervalForCulling ? 'none' : 'block');
+ }
+ });
+ } else {
+ $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').style('display', 'block');
+ }
+ }
+
+ // setup drawer - MEMO: these must be called after axis updated
+ drawArea = $$.generateDrawArea ? $$.generateDrawArea(areaIndices, false) : undefined;
+ drawBar = $$.generateDrawBar ? $$.generateDrawBar(barIndices) : undefined;
+ drawLine = $$.generateDrawLine ? $$.generateDrawLine(lineIndices, false) : undefined;
+ xForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, true);
+ yForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, false);
+
+ // Update sub domain
+ if (withY) {
+ $$.subY.domain($$.getYDomain(targetsToShow, 'y'));
+ $$.subY2.domain($$.getYDomain(targetsToShow, 'y2'));
+ }
+
+ // xgrid focus
+ $$.updateXgridFocus();
+
+ // Data empty label positioning and text.
+ main.select("text." + CLASS.text + '.' + CLASS.empty)
+ .attr("x", $$.width / 2)
+ .attr("y", $$.height / 2)
+ .text(config.data_empty_label_text)
+ .transition()
+ .style('opacity', targetsToShow.length ? 0 : 1);
+
+ // grid
+ $$.updateGrid(duration);
+
+ // rect for regions
+ $$.updateRegion(duration);
+
+ // bars
+ $$.updateBar(durationForExit);
+
+ // lines, areas and cricles
+ $$.updateLine(durationForExit);
+ $$.updateArea(durationForExit);
+ $$.updateCircle();
+
+ // text
+ if ($$.hasDataLabel()) {
+ $$.updateText(durationForExit);
+ }
+
+ // title
+ if ($$.redrawTitle) { $$.redrawTitle(); }
+
+ // arc
+ if ($$.redrawArc) { $$.redrawArc(duration, durationForExit, withTransform); }
+
+ // subchart
+ if ($$.redrawSubchart) {
+ $$.redrawSubchart(withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices);
+ }
+
+ // circles for select
+ main.selectAll('.' + CLASS.selectedCircles)
+ .filter($$.isBarType.bind($$))
+ .selectAll('circle')
+ .remove();
+
+ // event rects will redrawn when flow called
+ if (config.interaction_enabled && !options.flow && withEventRect) {
+ $$.redrawEventRect();
+ if ($$.updateZoom) { $$.updateZoom(); }
+ }
+
+ // update circleY based on updated parameters
+ $$.updateCircleY();
+
+ // generate circle x/y functions depending on updated params
+ cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$);
+ cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$);
+
+ if (options.flow) {
+ flow = $$.generateFlow({
+ targets: targetsToShow,
+ flow: options.flow,
+ duration: options.flow.duration,
+ drawBar: drawBar,
+ drawLine: drawLine,
+ drawArea: drawArea,
+ cx: cx,
+ cy: cy,
+ xv: xv,
+ xForText: xForText,
+ yForText: yForText
+ });
+ }
+
+ if ((duration || flow) && $$.isTabVisible()) { // Only use transition if tab visible. See #938.
+ // transition should be derived from one transition
+ d3.transition().duration(duration).each(function () {
+ var transitionsToWait = [];
+
+ // redraw and gather transitions
+ [
+ $$.redrawBar(drawBar, true),
+ $$.redrawLine(drawLine, true),
+ $$.redrawArea(drawArea, true),
+ $$.redrawCircle(cx, cy, true),
+ $$.redrawText(xForText, yForText, options.flow, true),
+ $$.redrawRegion(true),
+ $$.redrawGrid(true),
+ ].forEach(function (transitions) {
+ transitions.forEach(function (transition) {
+ transitionsToWait.push(transition);
+ });
+ });
+
+ // Wait for end of transitions to call flow and onrendered callback
+ waitForDraw = $$.generateWait();
+ transitionsToWait.forEach(function (t) {
+ waitForDraw.add(t);
+ });
+ })
+ .call(waitForDraw, function () {
+ if (flow) {
+ flow();
+ }
+ if (config.onrendered) {
+ config.onrendered.call($$);
+ }
+ });
+ }
+ else {
+ $$.redrawBar(drawBar);
+ $$.redrawLine(drawLine);
+ $$.redrawArea(drawArea);
+ $$.redrawCircle(cx, cy);
+ $$.redrawText(xForText, yForText, options.flow);
+ $$.redrawRegion();
+ $$.redrawGrid();
+ if (config.onrendered) {
+ config.onrendered.call($$);
+ }
+ }
+
+ // update fadein condition
+ $$.mapToIds($$.data.targets).forEach(function (id) {
+ $$.withoutFadeIn[id] = true;
+ });
+ };
+
+ c3_chart_internal_fn.updateAndRedraw = function (options) {
+ var $$ = this, config = $$.config, transitions;
+ options = options || {};
+ // same with redraw
+ options.withTransition = getOption(options, "withTransition", true);
+ options.withTransform = getOption(options, "withTransform", false);
+ options.withLegend = getOption(options, "withLegend", false);
+ // NOT same with redraw
+ options.withUpdateXDomain = true;
+ options.withUpdateOrgXDomain = true;
+ options.withTransitionForExit = false;
+ options.withTransitionForTransform = getOption(options, "withTransitionForTransform", options.withTransition);
+ // MEMO: this needs to be called before updateLegend and it means this ALWAYS needs to be called)
+ $$.updateSizes();
+ // MEMO: called in updateLegend in redraw if withLegend
+ if (!(options.withLegend && config.legend_show)) {
+ transitions = $$.axis.generateTransitions(options.withTransitionForAxis ? config.transition_duration : 0);
+ // Update scales
+ $$.updateScales();
+ $$.updateSvgSize();
+ // Update g positions
+ $$.transformAll(options.withTransitionForTransform, transitions);
+ }
+ // Draw with new sizes & scales
+ $$.redraw(options, transitions);
+ };
+ c3_chart_internal_fn.redrawWithoutRescale = function () {
+ this.redraw({
+ withY: false,
+ withSubchart: false,
+ withEventRect: false,
+ withTransitionForAxis: false
+ });
+ };
+
+ c3_chart_internal_fn.isTimeSeries = function () {
+ return this.config.axis_x_type === 'timeseries';
+ };
+ c3_chart_internal_fn.isCategorized = function () {
+ return this.config.axis_x_type.indexOf('categor') >= 0;
+ };
+ c3_chart_internal_fn.isCustomX = function () {
+ var $$ = this, config = $$.config;
+ return !$$.isTimeSeries() && (config.data_x || notEmpty(config.data_xs));
+ };
+
+ c3_chart_internal_fn.isTimeSeriesY = function () {
+ return this.config.axis_y_type === 'timeseries';
+ };
+
+ c3_chart_internal_fn.getTranslate = function (target) {
+ var $$ = this, config = $$.config, x, y;
+ if (target === 'main') {
+ x = asHalfPixel($$.margin.left);
+ y = asHalfPixel($$.margin.top);
+ } else if (target === 'context') {
+ x = asHalfPixel($$.margin2.left);
+ y = asHalfPixel($$.margin2.top);
+ } else if (target === 'legend') {
+ x = $$.margin3.left;
+ y = $$.margin3.top;
+ } else if (target === 'x') {
+ x = 0;
+ y = config.axis_rotated ? 0 : $$.height;
+ } else if (target === 'y') {
+ x = 0;
+ y = config.axis_rotated ? $$.height : 0;
+ } else if (target === 'y2') {
+ x = config.axis_rotated ? 0 : $$.width;
+ y = config.axis_rotated ? 1 : 0;
+ } else if (target === 'subx') {
+ x = 0;
+ y = config.axis_rotated ? 0 : $$.height2;
+ } else if (target === 'arc') {
+ x = $$.arcWidth / 2;
+ y = $$.arcHeight / 2;
+ }
+ return "translate(" + x + "," + y + ")";
+ };
+ c3_chart_internal_fn.initialOpacity = function (d) {
+ return d.value !== null && this.withoutFadeIn[d.id] ? 1 : 0;
+ };
+ c3_chart_internal_fn.initialOpacityForCircle = function (d) {
+ return d.value !== null && this.withoutFadeIn[d.id] ? this.opacityForCircle(d) : 0;
+ };
+ c3_chart_internal_fn.opacityForCircle = function (d) {
+ var opacity = this.config.point_show ? 1 : 0;
+ return isValue(d.value) ? (this.isScatterType(d) ? 0.5 : opacity) : 0;
+ };
+ c3_chart_internal_fn.opacityForText = function () {
+ return this.hasDataLabel() ? 1 : 0;
+ };
+ c3_chart_internal_fn.xx = function (d) {
+ return d ? this.x(d.x) : null;
+ };
+ c3_chart_internal_fn.xv = function (d) {
+ var $$ = this, value = d.value;
+ if ($$.isTimeSeries()) {
+ value = $$.parseDate(d.value);
+ }
+ else if ($$.isCategorized() && typeof d.value === 'string') {
+ value = $$.config.axis_x_categories.indexOf(d.value);
+ }
+ return Math.ceil($$.x(value));
+ };
+ c3_chart_internal_fn.yv = function (d) {
+ var $$ = this,
+ yScale = d.axis && d.axis === 'y2' ? $$.y2 : $$.y;
+ return Math.ceil(yScale(d.value));
+ };
+ c3_chart_internal_fn.subxx = function (d) {
+ return d ? this.subX(d.x) : null;
+ };
+
+ c3_chart_internal_fn.transformMain = function (withTransition, transitions) {
+ var $$ = this,
+ xAxis, yAxis, y2Axis;
+ if (transitions && transitions.axisX) {
+ xAxis = transitions.axisX;
+ } else {
+ xAxis = $$.main.select('.' + CLASS.axisX);
+ if (withTransition) { xAxis = xAxis.transition(); }
+ }
+ if (transitions && transitions.axisY) {
+ yAxis = transitions.axisY;
+ } else {
+ yAxis = $$.main.select('.' + CLASS.axisY);
+ if (withTransition) { yAxis = yAxis.transition(); }
+ }
+ if (transitions && transitions.axisY2) {
+ y2Axis = transitions.axisY2;
+ } else {
+ y2Axis = $$.main.select('.' + CLASS.axisY2);
+ if (withTransition) { y2Axis = y2Axis.transition(); }
+ }
+ (withTransition ? $$.main.transition() : $$.main).attr("transform", $$.getTranslate('main'));
+ xAxis.attr("transform", $$.getTranslate('x'));
+ yAxis.attr("transform", $$.getTranslate('y'));
+ y2Axis.attr("transform", $$.getTranslate('y2'));
+ $$.main.select('.' + CLASS.chartArcs).attr("transform", $$.getTranslate('arc'));
+ };
+ c3_chart_internal_fn.transformAll = function (withTransition, transitions) {
+ var $$ = this;
+ $$.transformMain(withTransition, transitions);
+ if ($$.config.subchart_show) { $$.transformContext(withTransition, transitions); }
+ if ($$.legend) { $$.transformLegend(withTransition); }
+ };
+
+ c3_chart_internal_fn.updateSvgSize = function () {
+ var $$ = this,
+ brush = $$.svg.select(".c3-brush .background");
+ $$.svg.attr('width', $$.currentWidth).attr('height', $$.currentHeight);
+ $$.svg.selectAll(['#' + $$.clipId, '#' + $$.clipIdForGrid]).select('rect')
+ .attr('width', $$.width)
+ .attr('height', $$.height);
+ $$.svg.select('#' + $$.clipIdForXAxis).select('rect')
+ .attr('x', $$.getXAxisClipX.bind($$))
+ .attr('y', $$.getXAxisClipY.bind($$))
+ .attr('width', $$.getXAxisClipWidth.bind($$))
+ .attr('height', $$.getXAxisClipHeight.bind($$));
+ $$.svg.select('#' + $$.clipIdForYAxis).select('rect')
+ .attr('x', $$.getYAxisClipX.bind($$))
+ .attr('y', $$.getYAxisClipY.bind($$))
+ .attr('width', $$.getYAxisClipWidth.bind($$))
+ .attr('height', $$.getYAxisClipHeight.bind($$));
+ $$.svg.select('#' + $$.clipIdForSubchart).select('rect')
+ .attr('width', $$.width)
+ .attr('height', brush.size() ? brush.attr('height') : 0);
+ $$.svg.select('.' + CLASS.zoomRect)
+ .attr('width', $$.width)
+ .attr('height', $$.height);
+ // MEMO: parent div's height will be bigger than svg when <!DOCTYPE html>
+ $$.selectChart.style('max-height', $$.currentHeight + "px");
+ };
+
+
+ c3_chart_internal_fn.updateDimension = function (withoutAxis) {
+ var $$ = this;
+ if (!withoutAxis) {
+ if ($$.config.axis_rotated) {
+ $$.axes.x.call($$.xAxis);
+ $$.axes.subx.call($$.subXAxis);
+ } else {
+ $$.axes.y.call($$.yAxis);
+ $$.axes.y2.call($$.y2Axis);
+ }
+ }
+ $$.updateSizes();
+ $$.updateScales();
+ $$.updateSvgSize();
+ $$.transformAll(false);
+ };
+
+ c3_chart_internal_fn.observeInserted = function (selection) {
+ var $$ = this, observer;
+ if (typeof MutationObserver === 'undefined') {
+ window.console.error("MutationObserver not defined.");
+ return;
+ }
+ observer= new MutationObserver(function (mutations) {
+ mutations.forEach(function (mutation) {
+ if (mutation.type === 'childList' && mutation.previousSibling) {
+ observer.disconnect();
+ // need to wait for completion of load because size calculation requires the actual sizes determined after that completion
+ $$.intervalForObserveInserted = window.setInterval(function () {
+ // parentNode will NOT be null when completed
+ if (selection.node().parentNode) {
+ window.clearInterval($$.intervalForObserveInserted);
+ $$.updateDimension();
+ if ($$.brush) { $$.brush.update(); }
+ $$.config.oninit.call($$);
+ $$.redraw({
+ withTransform: true,
+ withUpdateXDomain: true,
+ withUpdateOrgXDomain: true,
+ withTransition: false,
+ withTransitionForTransform: false,
+ withLegend: true
+ });
+ selection.transition().style('opacity', 1);
+ }
+ }, 10);
+ }
+ });
+ });
+ observer.observe(selection.node(), {attributes: true, childList: true, characterData: true});
+ };
+
+ c3_chart_internal_fn.bindResize = function () {
+ var $$ = this, config = $$.config;
+
+ $$.resizeFunction = $$.generateResize();
+
+ $$.resizeFunction.add(function () {
+ config.onresize.call($$);
+ });
+ if (config.resize_auto) {
+ $$.resizeFunction.add(function () {
+ if ($$.resizeTimeout !== undefined) {
+ window.clearTimeout($$.resizeTimeout);
+ }
+ $$.resizeTimeout = window.setTimeout(function () {
+ delete $$.resizeTimeout;
+ $$.api.flush();
+ }, 100);
+ });
+ }
+ $$.resizeFunction.add(function () {
+ config.onresized.call($$);
+ });
+
+ if (window.attachEvent) {
+ window.attachEvent('onresize', $$.resizeFunction);
+ } else if (window.addEventListener) {
+ window.addEventListener('resize', $$.resizeFunction, false);
+ } else {
+ // fallback to this, if this is a very old browser
+ var wrapper = window.onresize;
+ if (!wrapper) {
+ // create a wrapper that will call all charts
+ wrapper = $$.generateResize();
+ } else if (!wrapper.add || !wrapper.remove) {
+ // there is already a handler registered, make sure we call it too
+ wrapper = $$.generateResize();
+ wrapper.add(window.onresize);
+ }
+ // add this graph to the wrapper, we will be removed if the user calls destroy
+ wrapper.add($$.resizeFunction);
+ window.onresize = wrapper;
+ }
+ };
+
+ c3_chart_internal_fn.generateResize = function () {
+ var resizeFunctions = [];
+ function callResizeFunctions() {
+ resizeFunctions.forEach(function (f) {
+ f();
+ });
+ }
+ callResizeFunctions.add = function (f) {
+ resizeFunctions.push(f);
+ };
+ callResizeFunctions.remove = function (f) {
+ for (var i = 0; i < resizeFunctions.length; i++) {
+ if (resizeFunctions[i] === f) {
+ resizeFunctions.splice(i, 1);
+ break;
+ }
+ }
+ };
+ return callResizeFunctions;
+ };
+
+ c3_chart_internal_fn.endall = function (transition, callback) {
+ var n = 0;
+ transition
+ .each(function () { ++n; })
+ .each("end", function () {
+ if (!--n) { callback.apply(this, arguments); }
+ });
+ };
+ c3_chart_internal_fn.generateWait = function () {
+ var transitionsToWait = [],
+ f = function (transition, callback) {
+ var timer = setInterval(function () {
+ var done = 0;
+ transitionsToWait.forEach(function (t) {
+ if (t.empty()) {
+ done += 1;
+ return;
+ }
+ try {
+ t.transition();
+ } catch (e) {
+ done += 1;
+ }
+ });
+ if (done === transitionsToWait.length) {
+ clearInterval(timer);
+ if (callback) { callback(); }
+ }
+ }, 10);
+ };
+ f.add = function (transition) {
+ transitionsToWait.push(transition);
+ };
+ return f;
+ };
+
+ c3_chart_internal_fn.parseDate = function (date) {
+ function replaceAll(str, s, r) {
+ return str.split(s).join(r);
+ }
+
+ var $$ = this, parsedDate;
+ if (date instanceof Date) {
+ parsedDate = date;
+ } else if (typeof date === 'string') {
+ parsedDate = $$.dataTimeFormat($$.config.data_xFormat).parse(date);
+ } else if (typeof date === 'number' && !isNaN(date)) {
+ parsedDate = new Date(+date);
+ }
+ if (!parsedDate || isNaN(+parsedDate)) {
+ //second try
+ parsedDate = new Date(replaceAll(date, "-", "/"));
+
+ if (!parsedDate || isNaN(+parsedDate)) {
+ window.console.error("Failed to parse x '" + date + "' to Date object");
+ }
+ }
+ return parsedDate;
+ };
+
+ c3_chart_internal_fn.isTabVisible = function () {
+ var hidden;
+ if (typeof document.hidden !== "undefined") { // Opera 12.10 and Firefox 18 and later support
+ hidden = "hidden";
+ } else if (typeof document.mozHidden !== "undefined") {
+ hidden = "mozHidden";
+ } else if (typeof document.msHidden !== "undefined") {
+ hidden = "msHidden";
+ } else if (typeof document.webkitHidden !== "undefined") {
+ hidden = "webkitHidden";
+ }
+
+ return document[hidden] ? false : true;
+ };
+
+ c3_chart_internal_fn.getDefaultConfig = function () {
+ var config = {
+ bindto: '#chart',
+ svg_classname: undefined,
+ completeScale: 1.0,
+ noxticks: false,
+ noyticks: false,
+ size_width: undefined,
+ size_height: undefined,
+ padding_left: undefined,
+ padding_right: undefined,
+ padding_top: undefined,
+ padding_bottom: undefined,
+ resize_auto: false,
+ innerTickSize: 3,
+ zoom_enabled: false,
+ zoom_extent: undefined,
+ zoom_privileged: false,
+ zoom_rescale: false,
+ zoom_onzoom: function () {},
+ zoom_onzoomstart: function () {},
+ zoom_onzoomend: function () {},
+ zoom_x_min: undefined,
+ zoom_x_max: undefined,
+ interaction_enabled: true,
+ onmouseover: function () {},
+ onmouseout: function () {},
+ onresize: function () {},
+ onresized: function () {},
+ oninit: function () {},
+ onrendered: function () {},
+ transition_duration: 0,
+ data_x: undefined,
+ data_xs: {},
+ data_xFormat: '%Y-%m-%d',
+ data_xLocaltime: true,
+ data_xSort: true,
+ data_idConverter: function (id) { return id; },
+ data_names: {},
+ data_classes: {},
+ data_groups: [],
+ data_axes: {},
+ data_type: undefined,
+ data_types: {},
+ data_labels: {},
+ data_order: 'desc',
+ data_regions: {},
+ data_color: undefined,
+ data_colors: {},
+ data_hide: false,
+ data_filter: undefined,
+ data_selection_enabled: false,
+ data_selection_grouped: false,
+ data_selection_isselectable: function () { return true; },
+ data_selection_multiple: true,
+ data_selection_draggable: false,
+ data_onclick: function () {},
+ data_onmouseover: function () {},
+ data_onmouseout: function () {},
+ data_onselected: function () {},
+ data_onunselected: function () {},
+ data_url: undefined,
+ data_json: undefined,
+ data_rows: undefined,
+ data_columns: undefined,
+ data_mimeType: undefined,
+ data_keys: undefined,
+ // configuration for no plot-able data supplied.
+ data_empty_label_text: "",
+ // subchart
+ subchart_show: false,
+ subchart_size_height: 60,
+ subchart_axis_x_show: true,
+ subchart_onbrush: function () {},
+ // color
+ color_pattern: [],
+ color_threshold: {},
+ // legend
+ legend_show: true,
+ legend_hide: false,
+ legend_position: 'bottom',
+ legend_inset_anchor: 'top-left',
+ legend_inset_x: 10,
+ legend_inset_y: 0,
+ legend_inset_step: undefined,
+ legend_item_onclick: undefined,
+ legend_item_onmouseover: undefined,
+ legend_item_onmouseout: undefined,
+ legend_equally: false,
+ legend_padding: 0,
+ legend_item_tile_width: 10,
+ legend_item_tile_height: 10,
+ // axis
+ axis_rotated: false,
+ axis_x_show: true,
+ axis_x_type: 'indexed',
+ axis_x_localtime: true,
+ axis_x_categories: [],
+ axis_x_tick_centered: false,
+ axis_x_tick_format: undefined,
+ axis_x_tick_culling: {},
+ axis_x_tick_culling_max: 10,
+ axis_x_tick_count: undefined,
+ axis_x_tick_fit: true,
+ axis_x_tick_values: null,
+ axis_x_tick_rotate: 0,
+ axis_x_tick_outer: true,
+ axis_x_tick_multiline: false,
+ axis_x_tick_width: null,
+ axis_x_max: undefined,
+ axis_x_min: undefined,
+ axis_x_padding: {},
+ axis_x_height: undefined,
+ axis_x_extent: undefined,
+ axis_x_label: {},
+ axis_y_show: true,
+ axis_y_type: undefined,
+ axis_y_max: undefined,
+ axis_y_min: undefined,
+ axis_y_inverted: false,
+ axis_y_center: undefined,
+ axis_y_inner: undefined,
+ axis_y_label: {},
+ axis_y_tick_format: undefined,
+ axis_y_tick_outer: true,
+ axis_y_tick_values: null,
+ axis_y_tick_count: undefined,
+ axis_y_tick_time_value: undefined,
+ axis_y_tick_time_interval: undefined,
+ axis_y_padding: {},
+ axis_y_default: undefined,
+ axis_y2_show: false,
+ axis_y2_max: undefined,
+ axis_y2_min: undefined,
+ axis_y2_inverted: false,
+ axis_y2_center: undefined,
+ axis_y2_inner: undefined,
+ axis_y2_label: {},
+ axis_y2_tick_format: undefined,
+ axis_y2_tick_outer: true,
+ axis_y2_tick_values: null,
+ axis_y2_tick_count: undefined,
+ axis_y2_padding: {},
+ axis_y2_default: undefined,
+ // grid
+ grid_x_show: false,
+ grid_x_type: 'tick',
+ grid_x_lines: [],
+ grid_y_show: false,
+ // not used
+ // grid_y_type: 'tick',
+ grid_y_lines: [],
+ grid_y_ticks: 10,
+ grid_focus_show: true,
+ grid_lines_front: true,
+ // point - point of each data
+ point_show: true,
+ point_r: 2.5,
+ point_sensitivity: 10,
+ point_focus_expand_enabled: true,
+ point_focus_expand_r: undefined,
+ point_select_r: undefined,
+ // line
+ line_connectNull: false,
+ line_step_type: 'step',
+ // bar
+ bar_width: undefined,
+ bar_width_ratio: 0.6,
+ bar_width_max: undefined,
+ bar_zerobased: true,
+ // area
+ area_zerobased: true,
+ // pie
+ pie_label_show: true,
+ pie_label_format: undefined,
+ pie_label_threshold: 0.05,
+ pie_expand: {},
+ pie_expand_duration: 50,
+ // gauge
+ gauge_label_show: true,
+ gauge_label_format: undefined,
+ gauge_min: 0,
+ gauge_max: 100,
+ gauge_units: undefined,
+ gauge_width: undefined,
+ gauge_expand: {},
+ gauge_expand_duration: 50,
+ // donut
+ donut_label_show: true,
+ donut_label_format: undefined,
+ donut_label_threshold: 0.05,
+ donut_width: undefined,
+ donut_title: "",
+ donut_expand: {},
+ donut_expand_duration: 50,
+ // spline
+ spline_interpolation_type: 'cardinal',
+ // region - region to change style
+ regions: [],
+ // tooltip - show when mouseover on each data
+ tooltip_show: true,
+ tooltip_grouped: true,
+ tooltip_format_title: undefined,
+ tooltip_format_name: undefined,
+ tooltip_format_value: undefined,
+ tooltip_position: undefined,
+ tooltip_contents: function (d, defaultTitleFormat, defaultValueFormat, color) {
+ return this.getTooltipContent ? this.getTooltipContent(d, defaultTitleFormat, defaultValueFormat, color) : '';
+ },
+ tooltip_init_show: false,
+ tooltip_init_x: 0,
+ tooltip_init_position: {top: '0px', left: '50px'},
+ tooltip_onshow: function () {},
+ tooltip_onhide: function () {},
+ // title
+ title_text: undefined,
+ title_padding: {
+ top: 0,
+ right: 0,
+ bottom: 0,
+ left: 0
+ },
+ title_position: 'top-center',
+ };
+
+ Object.keys(this.additionalConfig).forEach(function (key) {
+ config[key] = this.additionalConfig[key];
+ }, this);
+
+ return config;
+ };
+ c3_chart_internal_fn.additionalConfig = {};
+
+ c3_chart_internal_fn.loadConfig = function (config) {
+ var this_config = this.config, target, keys, read;
+ function find() {
+ var key = keys.shift();
+ // console.log("key =>", key, ", target =>", target);
+ if (key && target && typeof target === 'object' && key in target) {
+ target = target[key];
+ return find();
+ }
+ else if (!key) {
+ return target;
+ }
+ else {
+ return undefined;
+ }
+ }
+ Object.keys(this_config).forEach(function (key) {
+ target = config;
+ keys = key.split('_');
+ read = find();
+ // console.log("CONFIG : ", key, read);
+ if (isDefined(read)) {
+ this_config[key] = read;
+ }
+ });
+ };
+
+ c3_chart_internal_fn.getScale = function (min, max, forTimeseries) {
+ return (forTimeseries ? this.d3.time.scale() : this.d3.scale.linear()).range([min, max]);
+ };
+ c3_chart_internal_fn.getX = function (min, max, domain, offset) {
+ var $$ = this,
+ scale = $$.getScale(min, max, $$.isTimeSeries()),
+ _scale = domain ? scale.domain(domain) : scale, key;
+ // Define customized scale if categorized axis
+ if ($$.isCategorized()) {
+ offset = offset || function () { return 0; };
+ scale = function (d, raw) {
+ var v = _scale(d) + offset(d);
+ return raw ? v : Math.ceil(v);
+ };
+ } else {
+ scale = function (d, raw) {
+ var v = _scale(d);
+ return raw ? v : Math.ceil(v);
+ };
+ }
+ // define functions
+ for (key in _scale) {
+ scale[key] = _scale[key];
+ }
+ scale.orgDomain = function () {
+ return _scale.domain();
+ };
+ // define custom domain() for categorized axis
+ if ($$.isCategorized()) {
+ scale.domain = function (domain) {
+ if (!arguments.length) {
+ domain = this.orgDomain();
+ return [domain[0], domain[1] + 1];
+ }
+ _scale.domain(domain);
+ return scale;
+ };
+ }
+ return scale;
+ };
+ c3_chart_internal_fn.getY = function (min, max, domain) {
+ var scale = this.getScale(min, max, this.isTimeSeriesY());
+ if (domain) { scale.domain(domain); }
+ return scale;
+ };
+ c3_chart_internal_fn.getYScale = function (id) {
+ return this.axis.getId(id) === 'y2' ? this.y2 : this.y;
+ };
+ c3_chart_internal_fn.getSubYScale = function (id) {
+ return this.axis.getId(id) === 'y2' ? this.subY2 : this.subY;
+ };
+ c3_chart_internal_fn.updateScales = function () {
+ var $$ = this, config = $$.config,
+ forInit = !$$.x;
+ // update edges
+ $$.xMin = config.axis_rotated ? 1 : 0;
+ $$.xMax = config.axis_rotated ? $$.height : $$.width;
+ $$.yMin = config.axis_rotated ? 0 : $$.height;
+ $$.yMax = config.axis_rotated ? $$.width : 1;
+ $$.subXMin = $$.xMin;
+ $$.subXMax = $$.xMax;
+ $$.subYMin = config.axis_rotated ? 0 : $$.height2;
+ $$.subYMax = config.axis_rotated ? $$.width2 : 1;
+ // update scales
+ $$.x = $$.getX($$.xMin, $$.xMax, forInit ? undefined : $$.x.orgDomain(), function () { return $$.xAxis.tickOffset(); });
+ $$.y = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y_default : $$.y.domain());
+ $$.y2 = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y2_default : $$.y2.domain());
+ $$.subX = $$.getX($$.xMin, $$.xMax, $$.orgXDomain, function (d) { return d % 1 ? 0 : $$.subXAxis.tickOffset(); });
+ $$.subY = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y_default : $$.subY.domain());
+ $$.subY2 = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y2_default : $$.subY2.domain());
+ // update axes
+ $$.xAxisTickFormat = $$.axis.getXAxisTickFormat();
+ $$.xAxisTickValues = $$.axis.getXAxisTickValues();
+ $$.yAxisTickValues = $$.axis.getYAxisTickValues();
+ $$.y2AxisTickValues = $$.axis.getY2AxisTickValues();
+
+ $$.xAxis = $$.axis.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
+ $$.subXAxis = $$.axis.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
+ $$.yAxis = $$.axis.getYAxis($$.y, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, config.axis_y_tick_outer);
+ $$.y2Axis = $$.axis.getYAxis($$.y2, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, config.axis_y2_tick_outer);
+
+ // Set initialized scales to brush and zoom
+ if (!forInit) {
+ if ($$.brush) { $$.brush.scale($$.subX); }
+ if (config.zoom_enabled) { $$.zoom.scale($$.x); }
+ }
+ // update for arc
+ if ($$.updateArc) { $$.updateArc(); }
+ };
+
+ c3_chart_internal_fn.getYDomainMin = function (targets) {
+ var $$ = this, config = $$.config,
+ ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets),
+ j, k, baseId, idsInGroup, id, hasNegativeValue;
+ if (config.data_groups.length > 0) {
+ hasNegativeValue = $$.hasNegativeValueInTargets(targets);
+ for (j = 0; j < config.data_groups.length; j++) {
+ // Determine baseId
+ idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; });
+ if (idsInGroup.length === 0) { continue; }
+ baseId = idsInGroup[0];
+ // Consider negative values
+ if (hasNegativeValue && ys[baseId]) {
+ ys[baseId].forEach(function (v, i) {
+ ys[baseId][i] = v < 0 ? v : 0;
+ });
+ }
+ // Compute min
+ for (k = 1; k < idsInGroup.length; k++) {
+ id = idsInGroup[k];
+ if (! ys[id]) { continue; }
+ ys[id].forEach(function (v, i) {
+ if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasNegativeValue && +v > 0)) {
+ ys[baseId][i] += +v;
+ }
+ });
+ }
+ }
+ }
+ return $$.d3.min(Object.keys(ys).map(function (key) { return $$.d3.min(ys[key]); }));
+ };
+ c3_chart_internal_fn.getYDomainMax = function (targets) {
+ var $$ = this, config = $$.config,
+ ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets),
+ j, k, baseId, idsInGroup, id, hasPositiveValue;
+ if (config.data_groups.length > 0) {
+ hasPositiveValue = $$.hasPositiveValueInTargets(targets);
+ for (j = 0; j < config.data_groups.length; j++) {
+ // Determine baseId
+ idsInGroup = config.data_groups[j].filter(function (id) { return ids.indexOf(id) >= 0; });
+ if (idsInGroup.length === 0) { continue; }
+ baseId = idsInGroup[0];
+ // Consider positive values
+ if (hasPositiveValue && ys[baseId]) {
+ ys[baseId].forEach(function (v, i) {
+ ys[baseId][i] = v > 0 ? v : 0;
+ });
+ }
+ // Compute max
+ for (k = 1; k < idsInGroup.length; k++) {
+ id = idsInGroup[k];
+ if (! ys[id]) { continue; }
+ ys[id].forEach(function (v, i) {
+ if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasPositiveValue && +v < 0)) {
+ ys[baseId][i] += +v;
+ }
+ });
+ }
+ }
+ }
+ return $$.d3.max(Object.keys(ys).map(function (key) { return $$.d3.max(ys[key]); }));
+ };
+ c3_chart_internal_fn.getYDomain = function (targets, axisId, xDomain) {
+ var $$ = this, config = $$.config,
+ targetsByAxisId = targets.filter(function (t) { return $$.axis.getId(t.id) === axisId; }),
+ yTargets = xDomain ? $$.filterByXDomain(targetsByAxisId, xDomain) : targetsByAxisId,
+ yMin = axisId === 'y2' ? config.axis_y2_min : config.axis_y_min,
+ yMax = axisId === 'y2' ? config.axis_y2_max : config.axis_y_max,
+ yDomainMin = $$.getYDomainMin(yTargets),
+ yDomainMax = $$.getYDomainMax(yTargets),
+ domain, domainLength, padding, padding_top, padding_bottom,
+ center = axisId === 'y2' ? config.axis_y2_center : config.axis_y_center,
+ yDomainAbs, lengths, diff, ratio, isAllPositive, isAllNegative,
+ isZeroBased = ($$.hasType('bar', yTargets) && config.bar_zerobased) || ($$.hasType('area', yTargets) && config.area_zerobased),
+ isInverted = axisId === 'y2' ? config.axis_y2_inverted : config.axis_y_inverted,
+ showHorizontalDataLabel = $$.hasDataLabel() && config.axis_rotated,
+ showVerticalDataLabel = $$.hasDataLabel() && !config.axis_rotated;
+
+ // MEMO: avoid inverting domain unexpectedly
+ yDomainMin = isValue(yMin) ? yMin : isValue(yMax) ? (yDomainMin < yMax ? yDomainMin : yMax - 10) : yDomainMin;
+ yDomainMax = isValue(yMax) ? yMax : isValue(yMin) ? (yMin < yDomainMax ? yDomainMax : yMin + 10) : yDomainMax;
+
+ if (yTargets.length === 0) { // use current domain if target of axisId is none
+ return axisId === 'y2' ? $$.y2.domain() : $$.y.domain();
+ }
+ if (isNaN(yDomainMin)) { // set minimum to zero when not number
+ yDomainMin = 0;
+ }
+ if (isNaN(yDomainMax)) { // set maximum to have same value as yDomainMin
+ yDomainMax = yDomainMin;
+ }
+ if (yDomainMin === yDomainMax) {
+ yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0;
+ }
+ isAllPositive = yDomainMin >= 0 && yDomainMax >= 0;
+ isAllNegative = yDomainMin <= 0 && yDomainMax <= 0;
+
+ // Cancel zerobased if axis_*_min / axis_*_max specified
+ if ((isValue(yMin) && isAllPositive) || (isValue(yMax) && isAllNegative)) {
+ isZeroBased = false;
+ }
+
+ // Bar/Area chart should be 0-based if all positive|negative
+ if (isZeroBased) {
+ if (isAllPositive) { yDomainMin = 0; }
+ if (isAllNegative) { yDomainMax = 0; }
+ }
+
+ domainLength = Math.abs(yDomainMax - yDomainMin);
+ padding = padding_top = padding_bottom = domainLength * 0.03;
+ padding_bottom = 0;
+
+ if (typeof center !== 'undefined') {
+ yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
+ yDomainMax = center + yDomainAbs;
+ yDomainMin = center - yDomainAbs;
+ }
+ // add padding for data label
+ if (showHorizontalDataLabel) {
+ lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'width');
+ diff = diffDomain($$.y.range());
+ ratio = [lengths[0] / diff, lengths[1] / diff];
+ padding_top += domainLength * (ratio[1] / (1 - ratio[0] - ratio[1]));
+ padding_bottom += domainLength * (ratio[0] / (1 - ratio[0] - ratio[1]));
+ } else if (showVerticalDataLabel) {
+ lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'height');
+ padding_top += $$.axis.convertPixelsToAxisPadding(lengths[1], domainLength);
+ padding_bottom += $$.axis.convertPixelsToAxisPadding(lengths[0], domainLength);
+ }
+ if (axisId === 'y' && notEmpty(config.axis_y_padding)) {
+ padding_top = $$.axis.getPadding(config.axis_y_padding, 'top', padding_top, domainLength);
+ padding_bottom = $$.axis.getPadding(config.axis_y_padding, 'bottom', padding_bottom, domainLength);
+ }
+ if (axisId === 'y2' && notEmpty(config.axis_y2_padding)) {
+ padding_top = $$.axis.getPadding(config.axis_y2_padding, 'top', padding_top, domainLength);
+ padding_bottom = $$.axis.getPadding(config.axis_y2_padding, 'bottom', padding_bottom, domainLength);
+ }
+ // Bar/Area chart should be 0-based if all positive|negative
+ if (isZeroBased) {
+ if (isAllPositive) { padding_bottom = yDomainMin; }
+ if (isAllNegative) { padding_top = -yDomainMax; }
+ }
+ domain = [yDomainMin - padding_bottom, yDomainMax + padding_top];
+ return isInverted ? domain.reverse() : domain;
+ };
+ c3_chart_internal_fn.getXDomainMin = function (targets) {
+ var $$ = this, config = $$.config;
+ return isDefined(config.axis_x_min) ?
+ ($$.isTimeSeries() ? this.parseDate(config.axis_x_min) : config.axis_x_min) :
+ $$.d3.min(targets, function (t) { return $$.d3.min(t.values, function (v) { return v.x; }); });
+ };
+ c3_chart_internal_fn.getXDomainMax = function (targets) {
+ var $$ = this, config = $$.config;
+ return isDefined(config.axis_x_max) ?
+ ($$.isTimeSeries() ? this.parseDate(config.axis_x_max) : config.axis_x_max) :
+ $$.d3.max(targets, function (t) { return $$.d3.max(t.values, function (v) { return v.x; }); });
+ };
+ c3_chart_internal_fn.getXDomainPadding = function (domain) {
+ var $$ = this, config = $$.config,
+ diff = domain[1] - domain[0],
+ maxDataCount, padding, paddingLeft, paddingRight;
+ if ($$.isCategorized()) {
+ padding = 0;
+ } else if ($$.hasType('bar')) {
+ maxDataCount = $$.getMaxDataCount();
+ padding = maxDataCount > 1 ? (diff / (maxDataCount - 1)) / 2 : 0.5;
+ } else {
+ padding = diff * 0.06;
+ }
+ if (typeof config.axis_x_padding === 'object' && notEmpty(config.axis_x_padding)) {
+ paddingLeft = isValue(config.axis_x_padding.left) ? config.axis_x_padding.left : padding;
+ paddingRight = isValue(config.axis_x_padding.right) ? config.axis_x_padding.right : padding;
+ } else if (typeof config.axis_x_padding === 'number') {
+ paddingLeft = paddingRight = config.axis_x_padding;
+ } else {
+ paddingLeft = paddingRight = padding;
+ if (!$$.hasType('bar')) {
+ paddingLeft = 0.00000001;
+ } else {
+ paddingRight += diff * 0.03
+ }
+ }
+ return {left: paddingLeft, right: paddingRight};
+ };
+ c3_chart_internal_fn.getXDomain = function (targets) {
+ var $$ = this,
+ xDomain = [$$.getXDomainMin(targets), $$.getXDomainMax(targets)],
+ firstX = xDomain[0], lastX = xDomain[1],
+ padding = $$.getXDomainPadding(xDomain),
+ min = 0, max = 0;
+ // show center of x domain if min and max are the same
+ if ((firstX - lastX) === 0 && !$$.isCategorized()) {
+ if ($$.isTimeSeries()) {
+ firstX = new Date(firstX.getTime() * 0.5);
+ lastX = new Date(lastX.getTime() * 1.5);
+ } else {
+ firstX = firstX === 0 ? 1 : (firstX * 0.5);
+ lastX = lastX === 0 ? -1 : (lastX * 1.5);
+ }
+ }
+ if (firstX || firstX === 0) {
+ min = $$.isTimeSeries() ? new Date(firstX.getTime() - padding.left) : firstX - padding.left;
+ }
+ if (lastX || lastX === 0) {
+ max = $$.isTimeSeries() ? new Date(lastX.getTime() + padding.right) : lastX + padding.right;
+ }
+ return [min, max];
+ };
+ c3_chart_internal_fn.updateXDomain = function (targets, withUpdateXDomain, withUpdateOrgXDomain, withTrim, domain) {
+ var $$ = this, config = $$.config;
+
+ if (withUpdateOrgXDomain) {
+ $$.x.domain(domain ? domain : $$.d3.extent($$.getXDomain(targets)));
+ $$.orgXDomain = $$.x.domain();
+ if (config.zoom_enabled) { $$.zoom.scale($$.x).updateScaleExtent(); }
+ $$.subX.domain($$.x.domain());
+ if ($$.brush) { $$.brush.scale($$.subX); }
+ }
+ if (withUpdateXDomain) {
+ $$.x.domain(domain ? domain : (!$$.brush || $$.brush.empty()) ? $$.orgXDomain : $$.brush.extent());
+ if (config.zoom_enabled) { $$.zoom.scale($$.x).updateScaleExtent(); }
+ }
+
+ // Trim domain when too big by zoom mousemove event
+ if (withTrim) { $$.x.domain($$.trimXDomain($$.x.orgDomain())); }
+
+ return $$.x.domain();
+ };
+ c3_chart_internal_fn.trimXDomain = function (domain) {
+ var zoomDomain = this.getZoomDomain(),
+ min = zoomDomain[0], max = zoomDomain[1];
+ if (domain[0] <= min) {
+ domain[1] = +domain[1] + (min - domain[0]);
+ domain[0] = min;
+ }
+ if (max <= domain[1]) {
+ domain[0] = +domain[0] - (domain[1] - max);
+ domain[1] = max;
+ }
+ return domain;
+ };
+
+ c3_chart_internal_fn.isX = function (key) {
+ var $$ = this, config = $$.config;
+ return (config.data_x && key === config.data_x) || (notEmpty(config.data_xs) && hasValue(config.data_xs, key));
+ };
+ c3_chart_internal_fn.isNotX = function (key) {
+ return !this.isX(key);
+ };
+ c3_chart_internal_fn.getXKey = function (id) {
+ var $$ = this, config = $$.config;
+ return config.data_x ? config.data_x : notEmpty(config.data_xs) ? config.data_xs[id] : null;
+ };
+ c3_chart_internal_fn.getXValuesOfXKey = function (key, targets) {
+ var $$ = this,
+ xValues, ids = targets && notEmpty(targets) ? $$.mapToIds(targets) : [];
+ ids.forEach(function (id) {
+ if ($$.getXKey(id) === key) {
+ xValues = $$.data.xs[id];
+ }
+ });
+ return xValues;
+ };
+ c3_chart_internal_fn.getIndexByX = function (x) {
+ var $$ = this,
+ data = $$.filterByX($$.data.targets, x);
+ return data.length ? data[0].index : null;
+ };
+ c3_chart_internal_fn.getXValue = function (id, i) {
+ var $$ = this;
+ return id in $$.data.xs && $$.data.xs[id] && isValue($$.data.xs[id][i]) ? $$.data.xs[id][i] : i;
+ };
+ c3_chart_internal_fn.getOtherTargetXs = function () {
+ var $$ = this,
+ idsForX = Object.keys($$.data.xs);
+ return idsForX.length ? $$.data.xs[idsForX[0]] : null;
+ };
+ c3_chart_internal_fn.getOtherTargetX = function (index) {
+ var xs = this.getOtherTargetXs();
+ return xs && index < xs.length ? xs[index] : null;
+ };
+ c3_chart_internal_fn.addXs = function (xs) {
+ var $$ = this;
+ Object.keys(xs).forEach(function (id) {
+ $$.config.data_xs[id] = xs[id];
+ });
+ };
+ c3_chart_internal_fn.hasMultipleX = function (xs) {
+ return this.d3.set(Object.keys(xs).map(function (id) { return xs[id]; })).size() > 1;
+ };
+ c3_chart_internal_fn.isMultipleX = function () {
+ return notEmpty(this.config.data_xs) || !this.config.data_xSort || this.hasType('scatter');
+ };
+ c3_chart_internal_fn.addName = function (data) {
+ var $$ = this, name;
+ if (data) {
+ name = $$.config.data_names[data.id];
+ data.name = name !== undefined ? name : data.id;
+ }
+ return data;
+ };
+ c3_chart_internal_fn.getValueOnIndex = function (values, index) {
+ var valueOnIndex = values.filter(function (v) { return v.index === index; });
+ return valueOnIndex.length ? valueOnIndex[0] : null;
+ };
+ c3_chart_internal_fn.updateTargetX = function (targets, x) {
+ var $$ = this;
+ targets.forEach(function (t) {
+ t.values.forEach(function (v, i) {
+ v.x = $$.generateTargetX(x[i], t.id, i);
+ });
+ $$.data.xs[t.id] = x;
+ });
+ };
+ c3_chart_internal_fn.updateTargetXs = function (targets, xs) {
+ var $$ = this;
+ targets.forEach(function (t) {
+ if (xs[t.id]) {
+ $$.updateTargetX([t], xs[t.id]);
+ }
+ });
+ };
+ c3_chart_internal_fn.generateTargetX = function (rawX, id, index) {
+ var $$ = this, x;
+ if ($$.isTimeSeries()) {
+ x = rawX ? $$.parseDate(rawX) : $$.parseDate($$.getXValue(id, index));
+ }
+ else if ($$.isCustomX() && !$$.isCategorized()) {
+ x = isValue(rawX) ? +rawX : $$.getXValue(id, index);
+ if (isNaN(x)) {
+ alert("Error parsing value for xAxis! Did you forget to specify type: \"timeseries\" in config.\nValue was: " + rawX);
+ throw new Error();
+ }
+ }
+ else {
+ x = index;
+ }
+ return x;
+ };
+ c3_chart_internal_fn.cloneTarget = function (target) {
+ return {
+ id : target.id,
+ id_org : target.id_org,
+ values : target.values.map(function (d) {
+ return {x: d.x, value: d.value, id: d.id};
+ })
+ };
+ };
+ c3_chart_internal_fn.updateXs = function () {
+ var $$ = this;
+ if ($$.data.targets.length) {
+ $$.xs = [];
+ $$.data.targets[0].values.forEach(function (v) {
+ $$.xs[v.index] = v.x;
+ });
+ }
+ };
+ c3_chart_internal_fn.getPrevX = function (i) {
+ var x = this.xs[i - 1];
+ return typeof x !== 'undefined' ? x : null;
+ };
+ c3_chart_internal_fn.getNextX = function (i) {
+ var x = this.xs[i + 1];
+ return typeof x !== 'undefined' ? x : null;
+ };
+ c3_chart_internal_fn.getMaxDataCount = function () {
+ var $$ = this;
+ return $$.d3.max($$.data.targets, function (t) { return t.values.length; });
+ };
+ c3_chart_internal_fn.getMaxDataCountTarget = function (targets) {
+ var length = targets.length, max = 0, maxTarget;
+ if (length > 1) {
+ targets.forEach(function (t) {
+ if (t.values.length > max) {
+ maxTarget = t;
+ max = t.values.length;
+ }
+ });
+ } else {
+ maxTarget = length ? targets[0] : null;
+ }
+ return maxTarget;
+ };
+ c3_chart_internal_fn.getEdgeX = function (targets) {
+ var $$ = this;
+ return !targets.length ? [0, 0] : [
+ $$.d3.min(targets, function (t) { return t.values[0].x; }),
+ $$.d3.max(targets, function (t) { return t.values[t.values.length - 1].x; })
+ ];
+ };
+ c3_chart_internal_fn.mapToIds = function (targets) {
+ return targets.map(function (d) { return d.id; });
+ };
+ c3_chart_internal_fn.mapToTargetIds = function (ids) {
+ var $$ = this;
+ return ids ? [].concat(ids) : $$.mapToIds($$.data.targets);
+ };
+ c3_chart_internal_fn.hasTarget = function (targets, id) {
+ var ids = this.mapToIds(targets), i;
+ for (i = 0; i < ids.length; i++) {
+ if (ids[i] === id) {
+ return true;
+ }
+ }
+ return false;
+ };
+ c3_chart_internal_fn.isTargetToShow = function (targetId) {
+ return this.hiddenTargetIds.indexOf(targetId) < 0;
+ };
+ c3_chart_internal_fn.isLegendToShow = function (targetId) {
+ return this.hiddenLegendIds.indexOf(targetId) < 0;
+ };
+ c3_chart_internal_fn.filterTargetsToShow = function (targets) {
+ var $$ = this;
+ return targets.filter(function (t) { return $$.isTargetToShow(t.id); });
+ };
+ c3_chart_internal_fn.mapTargetsToUniqueXs = function (targets) {
+ var $$ = this;
+ var xs = $$.d3.set($$.d3.merge(targets.map(function (t) { return t.values.map(function (v) { return +v.x; }); }))).values();
+ xs = $$.isTimeSeries() ? xs.map(function (x) { return new Date(+x); }) : xs.map(function (x) { return +x; });
+ return xs.sort(function (a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; });
+ };
+ c3_chart_internal_fn.addHiddenTargetIds = function (targetIds) {
+ this.hiddenTargetIds = this.hiddenTargetIds.concat(targetIds);
+ };
+ c3_chart_internal_fn.removeHiddenTargetIds = function (targetIds) {
+ this.hiddenTargetIds = this.hiddenTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
+ };
+ c3_chart_internal_fn.addHiddenLegendIds = function (targetIds) {
+ this.hiddenLegendIds = this.hiddenLegendIds.concat(targetIds);
+ };
+ c3_chart_internal_fn.removeHiddenLegendIds = function (targetIds) {
+ this.hiddenLegendIds = this.hiddenLegendIds.filter(function (id) { return targetIds.indexOf(id) < 0; });
+ };
+ c3_chart_internal_fn.getValuesAsIdKeyed = function (targets) {
+ var ys = {};
+ targets.forEach(function (t) {
+ ys[t.id] = [];
+ t.values.forEach(function (v) {
+ ys[t.id].push(v.value);
+ });
+ });
+ return ys;
+ };
+ c3_chart_internal_fn.checkValueInTargets = function (targets, checker) {
+ var ids = Object.keys(targets), i, j, values;
+ for (i = 0; i < ids.length; i++) {
+ values = targets[ids[i]].values;
+ for (j = 0; j < values.length; j++) {
+ if (checker(values[j].value)) {
+ return true;
+ }
+ }
+ }
+ return false;
+ };
+ c3_chart_internal_fn.hasNegativeValueInTargets = function (targets) {
+ return this.checkValueInTargets(targets, function (v) { return v < 0; });
+ };
+ c3_chart_internal_fn.hasPositiveValueInTargets = function (targets) {
+ return this.checkValueInTargets(targets, function (v) { return v > 0; });
+ };
+ c3_chart_internal_fn.isOrderDesc = function () {
+ var config = this.config;
+ return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'desc';
+ };
+ c3_chart_internal_fn.isOrderAsc = function () {
+ var config = this.config;
+ return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'asc';
+ };
+ c3_chart_internal_fn.orderTargets = function (targets) {
+ var $$ = this, config = $$.config, orderAsc = $$.isOrderAsc(), orderDesc = $$.isOrderDesc();
+ if (orderAsc || orderDesc) {
+ targets.sort(function (t1, t2) {
+ var reducer = function (p, c) { return p + Math.abs(c.value); };
+ var t1Sum = t1.values.reduce(reducer, 0),
+ t2Sum = t2.values.reduce(reducer, 0);
+ return orderAsc ? t2Sum - t1Sum : t1Sum - t2Sum;
+ });
+ } else if (isFunction(config.data_order)) {
+ targets.sort(config.data_order);
+ } // TODO: accept name array for order
+ return targets;
+ };
+ c3_chart_internal_fn.filterByX = function (targets, x) {
+ return this.d3.merge(targets.map(function (t) { return t.values; })).filter(function (v) { return v.x - x === 0; });
+ };
+ c3_chart_internal_fn.filterRemoveNull = function (data) {
+ return data.filter(function (d) { return isValue(d.value); });
+ };
+ c3_chart_internal_fn.filterByXDomain = function (targets, xDomain) {
+ return targets.map(function (t) {
+ return {
+ id: t.id,
+ id_org: t.id_org,
+ values: t.values.filter(function (v) {
+ return xDomain[0] <= v.x && v.x <= xDomain[1];
+ })
+ };
+ });
+ };
+ c3_chart_internal_fn.hasDataLabel = function () {
+ var config = this.config;
+ if (typeof config.data_labels === 'boolean' && config.data_labels) {
+ return true;
+ } else if (typeof config.data_labels === 'object' && notEmpty(config.data_labels)) {
+ return true;
+ }
+ return false;
+ };
+ c3_chart_internal_fn.getDataLabelLength = function (min, max, key) {
+ var $$ = this,
+ lengths = [0, 0], paddingCoef = 1.3;
+ $$.selectChart.select('svg').selectAll('.dummy')
+ .data([min, max])
+ .enter().append('text')
+ .text(function (d) { return $$.dataLabelFormat(d.id)(d); })
+ .each(function (d, i) {
+ lengths[i] = this.getBoundingClientRect()[key] * paddingCoef;
+ })
+ .remove();
+ return lengths;
+ };
+ c3_chart_internal_fn.isNoneArc = function (d) {
+ return this.hasTarget(this.data.targets, d.id);
+ },
+ c3_chart_internal_fn.isArc = function (d) {
+ return 'data' in d && this.hasTarget(this.data.targets, d.data.id);
+ };
+ c3_chart_internal_fn.findSameXOfValues = function (values, index) {
+ var i, targetX = values[index].x, sames = [];
+ for (i = index - 1; i >= 0; i--) {
+ if (targetX !== values[i].x) { break; }
+ sames.push(values[i]);
+ }
+ for (i = index; i < values.length; i++) {
+ if (targetX !== values[i].x) { break; }
+ sames.push(values[i]);
+ }
+ return sames;
+ };
+
+ c3_chart_internal_fn.findClosestFromTargets = function (targets, pos) {
+ var $$ = this, candidates;
+
+ // map to array of closest points of each target
+ candidates = targets.map(function (target) {
+ return $$.findClosest(target.values, pos);
+ });
+
+ // decide closest point and return
+ return $$.findClosest(candidates, pos);
+ };
+ c3_chart_internal_fn.findClosest = function (values, pos) {
+ var $$ = this, minDist = $$.config.point_sensitivity, closest;
+
+ // find mouseovering bar
+ values.filter(function (v) { return v && $$.isBarType(v.id); }).forEach(function (v) {
+ var shape = $$.main.select('.' + CLASS.bars + $$.getTargetSelectorSuffix(v.id) + ' .' + CLASS.bar + '-' + v.index).node();
+ if (!closest && $$.isWithinBar(shape)) {
+ closest = v;
+ }
+ });
+
+ // find closest point from non-bar
+ values.filter(function (v) { return v && !$$.isBarType(v.id); }).forEach(function (v) {
+ var d = $$.dist(v, pos);
+ if (d < minDist) {
+ minDist = d;
+ closest = v;
+ }
+ });
+
+ return closest;
+ };
+ c3_chart_internal_fn.dist = function (data, pos) {
+ var $$ = this, config = $$.config,
+ xIndex = config.axis_rotated ? 1 : 0,
+ yIndex = config.axis_rotated ? 0 : 1,
+ y = $$.circleY(data, data.index),
+ x = $$.x(data.x);
+ return Math.sqrt(Math.pow(x - pos[xIndex], 2) + Math.pow(y - pos[yIndex], 2));
+ };
+ c3_chart_internal_fn.convertValuesToStep = function (values) {
+ var converted = [].concat(values), i;
+
+ if (!this.isCategorized()) {
+ return values;
+ }
+
+ for (i = values.length + 1; 0 < i; i--) {
+ converted[i] = converted[i - 1];
+ }
+
+ converted[0] = {
+ x: converted[0].x - 1,
+ value: converted[0].value,
+ id: converted[0].id
+ };
+ converted[values.length + 1] = {
+ x: converted[values.length].x + 1,
+ value: converted[values.length].value,
+ id: converted[values.length].id
+ };
+
+ return converted;
+ };
+ c3_chart_internal_fn.updateDataAttributes = function (name, attrs) {
+ var $$ = this, config = $$.config, current = config['data_' + name];
+ if (typeof attrs === 'undefined') { return current; }
+ Object.keys(attrs).forEach(function (id) {
+ current[id] = attrs[id];
+ });
+ $$.redraw({withLegend: true});
+ return current;
+ };
+
+ c3_chart_internal_fn.convertUrlToData = function (url, mimeType, keys, done) {
+ var $$ = this, type = mimeType ? mimeType : 'csv';
+ $$.d3.xhr(url, function (error, data) {
+ var d;
+ if (!data) {
+ throw new Error(error.responseURL + ' ' + error.status + ' (' + error.statusText + ')');
+ }
+ if (type === 'json') {
+ d = $$.convertJsonToData(JSON.parse(data.response), keys);
+ } else if (type === 'tsv') {
+ d = $$.convertTsvToData(data.response);
+ } else {
+ d = $$.convertCsvToData(data.response);
+ }
+ done.call($$, d);
+ });
+ };
+ c3_chart_internal_fn.convertXsvToData = function (xsv, parser) {
+ var rows = parser.parseRows(xsv), d;
+ if (rows.length === 1) {
+ d = [{}];
+ rows[0].forEach(function (id) {
+ d[0][id] = null;
+ });
+ } else {
+ d = parser.parse(xsv);
+ }
+ return d;
+ };
+ c3_chart_internal_fn.convertCsvToData = function (csv) {
+ return this.convertXsvToData(csv, this.d3.csv);
+ };
+ c3_chart_internal_fn.convertTsvToData = function (tsv) {
+ return this.convertXsvToData(tsv, this.d3.tsv);
+ };
+ c3_chart_internal_fn.convertJsonToData = function (json, keys) {
+ var $$ = this,
+ new_rows = [], targetKeys, data;
+ if (keys) { // when keys specified, json would be an array that includes objects
+ if (keys.x) {
+ targetKeys = keys.value.concat(keys.x);
+ $$.config.data_x = keys.x;
+ } else {
+ targetKeys = keys.value;
+ }
+ new_rows.push(targetKeys);
+ json.forEach(function (o) {
+ var new_row = [];
+ targetKeys.forEach(function (key) {
+ // convert undefined to null because undefined data will be removed in convertDataToTargets()
+ var v = isUndefined(o[key]) ? null : o[key];
+ new_row.push(v);
+ });
+ new_rows.push(new_row);
+ });
+ data = $$.convertRowsToData(new_rows);
+ } else {
+ Object.keys(json).forEach(function (key) {
+ new_rows.push([key].concat(json[key]));
+ });
+ data = $$.convertColumnsToData(new_rows);
+ }
+ return data;
+ };
+ c3_chart_internal_fn.convertRowsToData = function (rows) {
+ var keys = rows[0], new_row = {}, new_rows = [], i, j;
+ for (i = 1; i < rows.length; i++) {
+ new_row = {};
+ for (j = 0; j < rows[i].length; j++) {
+ if (isUndefined(rows[i][j])) {
+ throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
+ }
+ new_row[keys[j]] = rows[i][j];
+ }
+ new_rows.push(new_row);
+ }
+ return new_rows;
+ };
+ c3_chart_internal_fn.convertColumnsToData = function (columns) {
+ var new_rows = [], i, j, key;
+ for (i = 0; i < columns.length; i++) {
+ key = columns[i][0];
+ for (j = 1; j < columns[i].length; j++) {
+ if (isUndefined(new_rows[j - 1])) {
+ new_rows[j - 1] = {};
+ }
+ if (isUndefined(columns[i][j])) {
+ throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
+ }
+ new_rows[j - 1][key] = columns[i][j];
+ }
+ }
+ return new_rows;
+ };
+ c3_chart_internal_fn.convertDataToTargets = function (data, appendXs) {
+ var $$ = this, config = $$.config,
+ ids = $$.d3.keys(data[0]).filter($$.isNotX, $$),
+ xs = $$.d3.keys(data[0]).filter($$.isX, $$),
+ targets;
+
+ // save x for update data by load when custom x and c3.x API
+ ids.forEach(function (id) {
+ var xKey = $$.getXKey(id);
+
+ if ($$.isCustomX() || $$.isTimeSeries()) {
+ // if included in input data
+ if (xs.indexOf(xKey) >= 0) {
+ $$.data.xs[id] = (appendXs && $$.data.xs[id] ? $$.data.xs[id] : []).concat(
+ data.map(function (d) { return d[xKey]; })
+ .filter(isValue)
+ .map(function (rawX, i) { return $$.generateTargetX(rawX, id, i); })
+ );
+ }
+ // if not included in input data, find from preloaded data of other id's x
+ else if (config.data_x) {
+ $$.data.xs[id] = $$.getOtherTargetXs();
+ }
+ // if not included in input data, find from preloaded data
+ else if (notEmpty(config.data_xs)) {
+ $$.data.xs[id] = $$.getXValuesOfXKey(xKey, $$.data.targets);
+ }
+ // MEMO: if no x included, use same x of current will be used
+ } else {
+ $$.data.xs[id] = data.map(function (d, i) { return i; });
+ }
+ });
+
+
+ // check x is defined
+ ids.forEach(function (id) {
+ if (!$$.data.xs[id]) {
+ throw new Error('x is not defined for id = "' + id + '".');
+ }
+ });
+
+ // convert to target
+ targets = ids.map(function (id, index) {
+ var convertedId = config.data_idConverter(id);
+ return {
+ id: convertedId,
+ id_org: id,
+ values: data.map(function (d, i) {
+ var xKey = $$.getXKey(id), rawX = d[xKey], x = $$.generateTargetX(rawX, id, i),
+ value = d[id] !== null && !isNaN(d[id]) ? +d[id] : null;
+ // use x as categories if custom x and categorized
+ if ($$.isCustomX() && $$.isCategorized() && index === 0 && rawX) {
+ if (i === 0) { config.axis_x_categories = []; }
+ config.axis_x_categories.push(rawX);
+ }
+ // mark as x = undefined if value is undefined and filter to remove after mapped
+ if (isUndefined(d[id]) || $$.data.xs[id].length <= i) {
+ x = undefined;
+ }
+ return {x: x, value: value, id: convertedId};
+ }).filter(function (v) { return isDefined(v.x); })
+ };
+ });
+
+ // finish targets
+ targets.forEach(function (t) {
+ var i;
+ // sort values by its x
+ if (config.data_xSort) {
+ t.values = t.values.sort(function (v1, v2) {
+ var x1 = v1.x || v1.x === 0 ? v1.x : Infinity,
+ x2 = v2.x || v2.x === 0 ? v2.x : Infinity;
+ return x1 - x2;
+ });
+ }
+ // indexing each value
+ i = 0;
+ t.values.forEach(function (v) {
+ v.index = i++;
+ });
+ // this needs to be sorted because its index and value.index is identical
+ $$.data.xs[t.id].sort(function (v1, v2) {
+ return v1 - v2;
+ });
+ });
+
+ // cache information about values
+ $$.hasNegativeValue = $$.hasNegativeValueInTargets(targets);
+ $$.hasPositiveValue = $$.hasPositiveValueInTargets(targets);
+
+ // set target types
+ if (config.data_type) {
+ $$.setTargetType($$.mapToIds(targets).filter(function (id) { return ! (id in config.data_types); }), config.data_type);
+ }
+
+ // cache as original id keyed
+ targets.forEach(function (d) {
+ $$.addCache(d.id_org, d);
+ });
+
+ return targets;
+ };
+
+ c3_chart_internal_fn.load = function (targets, args) {
+ var $$ = this;
+ if (targets) {
+ // filter loading targets if needed
+ if (args.filter) {
+ targets = targets.filter(args.filter);
+ }
+ // set type if args.types || args.type specified
+ if (args.type || args.types) {
+ targets.forEach(function (t) {
+ var type = args.types && args.types[t.id] ? args.types[t.id] : args.type;
+ $$.setTargetType(t.id, type);
+ });
+ }
+ // Update/Add data
+ $$.data.targets.forEach(function (d) {
+ for (var i = 0; i < targets.length; i++) {
+ if (d.id === targets[i].id) {
+ d.values = targets[i].values;
+ targets.splice(i, 1);
+ break;
+ }
+ }
+ });
+ $$.data.targets = $$.data.targets.concat(targets); // add remained
+ }
+
+ // Set targets
+ $$.updateTargets($$.data.targets);
+
+ // Redraw with new targets
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
+
+ if (args.done) { args.done(); }
+ };
+ c3_chart_internal_fn.loadFromArgs = function (args) {
+ var $$ = this;
+ if (args.data) {
+ $$.load($$.convertDataToTargets(args.data), args);
+ }
+ else if (args.url) {
+ $$.convertUrlToData(args.url, args.mimeType, args.keys, function (data) {
+ $$.load($$.convertDataToTargets(data), args);
+ });
+ }
+ else if (args.json) {
+ $$.load($$.convertDataToTargets($$.convertJsonToData(args.json, args.keys)), args);
+ }
+ else if (args.rows) {
+ $$.load($$.convertDataToTargets($$.convertRowsToData(args.rows)), args);
+ }
+ else if (args.columns) {
+ $$.load($$.convertDataToTargets($$.convertColumnsToData(args.columns)), args);
+ }
+ else {
+ $$.load(null, args);
+ }
+ };
+ c3_chart_internal_fn.unload = function (targetIds, done) {
+ var $$ = this;
+ if (!done) {
+ done = function () {};
+ }
+ // filter existing target
+ targetIds = targetIds.filter(function (id) { return $$.hasTarget($$.data.targets, id); });
+ // If no target, call done and return
+ if (!targetIds || targetIds.length === 0) {
+ done();
+ return;
+ }
+ $$.svg.selectAll(targetIds.map(function (id) { return $$.selectorTarget(id); }))
+ .transition()
+ .style('opacity', 0)
+ .remove()
+ .call($$.endall, done);
+ targetIds.forEach(function (id) {
+ // Reset fadein for future load
+ $$.withoutFadeIn[id] = false;
+ // Remove target's elements
+ if ($$.legend) {
+ $$.legend.selectAll('.' + CLASS.legendItem + $$.getTargetSelectorSuffix(id)).remove();
+ }
+ // Remove target
+ $$.data.targets = $$.data.targets.filter(function (t) {
+ return t.id !== id;
+ });
+ });
+ };
+
+ c3_chart_internal_fn.categoryName = function (i) {
+ var config = this.config;
+ return i < config.axis_x_categories.length ? config.axis_x_categories[i] : i;
+ };
+
+ c3_chart_internal_fn.initEventRect = function () {
+ var $$ = this;
+ $$.main.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.eventRects)
+ .style('fill-opacity', 0);
+ };
+ c3_chart_internal_fn.redrawEventRect = function () {
+ var $$ = this, config = $$.config,
+ eventRectUpdate, maxDataCountTarget,
+ isMultipleX = $$.isMultipleX();
+
+ // rects for mouseover
+ var eventRects = $$.main.select('.' + CLASS.eventRects)
+ .style('cursor', config.zoom_enabled ? config.axis_rotated ? 'ns-resize' : 'ew-resize' : null)
+ .classed(CLASS.eventRectsMultiple, isMultipleX)
+ .classed(CLASS.eventRectsSingle, !isMultipleX);
+
+ // clear old rects
+ eventRects.selectAll('.' + CLASS.eventRect).remove();
+
+ // open as public variable
+ $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);
+
+ if (isMultipleX) {
+ eventRectUpdate = $$.eventRect.data([0]);
+ // enter : only one rect will be added
+ $$.generateEventRectsForMultipleXs(eventRectUpdate.enter());
+ // update
+ $$.updateEventRect(eventRectUpdate);
+ // exit : not needed because always only one rect exists
+ }
+ else {
+ // Set data and update $$.eventRect
+ maxDataCountTarget = $$.getMaxDataCountTarget($$.data.targets);
+ eventRects.datum(maxDataCountTarget ? maxDataCountTarget.values : []);
+ $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);
+ eventRectUpdate = $$.eventRect.data(function (d) { return d; });
+ // enter
+ $$.generateEventRectsForSingleX(eventRectUpdate.enter());
+ // update
+ $$.updateEventRect(eventRectUpdate);
+ // exit
+ eventRectUpdate.exit().remove();
+ }
+ };
+ c3_chart_internal_fn.updateEventRect = function (eventRectUpdate) {
+ var $$ = this, config = $$.config,
+ x, y, w, h, rectW, rectX;
+
+ // set update selection if null
+ eventRectUpdate = eventRectUpdate || $$.eventRect.data(function (d) { return d; });
+
+ if ($$.isMultipleX()) {
+ // TODO: rotated not supported yet
+ x = 0;
+ y = 0;
+ w = $$.width;
+ h = $$.height;
+ }
+ else {
+ if (($$.isCustomX() || $$.isTimeSeries()) && !$$.isCategorized()) {
+
+ // update index for x that is used by prevX and nextX
+ $$.updateXs();
+
+ rectW = function (d) {
+ var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index);
+
+ // if there this is a single data point make the eventRect full width (or height)
+ if (prevX === null && nextX === null) {
+ return config.axis_rotated ? $$.height : $$.width;
+ }
+
+ if (prevX === null) { prevX = $$.x.domain()[0]; }
+ if (nextX === null) { nextX = $$.x.domain()[1]; }
+
+ return Math.max(0, ($$.x(nextX) - $$.x(prevX)) / 2);
+ };
+ rectX = function (d) {
+ var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index),
+ thisX = $$.data.xs[d.id][d.index];
+
+ // if there this is a single data point position the eventRect at 0
+ if (prevX === null && nextX === null) {
+ return 0;
+ }
+
+ if (prevX === null) { prevX = $$.x.domain()[0]; }
+
+ return ($$.x(thisX) + $$.x(prevX)) / 2;
+ };
+ } else {
+ rectW = $$.getEventRectWidth();
+ rectX = function (d) {
+ return $$.x(d.x) - (rectW / 2);
+ };
+ }
+ x = config.axis_rotated ? 0 : rectX;
+ y = config.axis_rotated ? rectX : 0;
+ w = config.axis_rotated ? $$.width : rectW;
+ h = config.axis_rotated ? rectW : $$.height;
+ }
+
+ eventRectUpdate
+ .attr('class', $$.classEvent.bind($$))
+ .attr("x", x)
+ .attr("y", y)
+ .attr("width", w)
+ .attr("height", h);
+ };
+ c3_chart_internal_fn.generateEventRectsForSingleX = function (eventRectEnter) {
+ var $$ = this, d3 = $$.d3, config = $$.config;
+ eventRectEnter.append("rect")
+ .attr("class", $$.classEvent.bind($$))
+ .style("cursor", config.data_selection_enabled && config.data_selection_grouped ? "pointer" : null)
+ .on('mouseover', function (d) {
+ var index = d.index;
+
+ if ($$.dragging || $$.flowing) { return; } // do nothing while dragging/flowing
+ if ($$.hasArcType()) { return; }
+
+ // Expand shapes for selection
+ if (config.point_focus_expand_enabled) { $$.expandCircles(index, null, true); }
+ $$.expandBars(index, null, true);
+
+ // Call event handler
+ $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
+ config.data_onmouseover.call($$.api, d);
+ });
+ })
+ .on('mouseout', function (d) {
+ var index = d.index;
+ if (!$$.config) { return; } // chart is destroyed
+ if ($$.hasArcType()) { return; }
+ $$.hideXGridFocus();
+ $$.hideTooltip();
+ // Undo expanded shapes
+ $$.unexpandCircles();
+ $$.unexpandBars();
+ // Call event handler
+ $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
+ config.data_onmouseout.call($$.api, d);
+ });
+ })
+ .on('mousemove', function (d) {
+ var selectedData, index = d.index,
+ eventRect = $$.svg.select('.' + CLASS.eventRect + '-' + index);
+
+ if ($$.dragging || $$.flowing) { return; } // do nothing while dragging/flowing
+ if ($$.hasArcType()) { return; }
+
+ if ($$.isStepType(d) && $$.config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
+ index -= 1;
+ }
+
+ // Show tooltip
+ selectedData = $$.filterTargetsToShow($$.data.targets).map(function (t) {
+ return $$.addName($$.getValueOnIndex(t.values, index));
+ });
+
+ if (config.tooltip_grouped) {
+ $$.showTooltip(selectedData, this);
+ $$.showXGridFocus(selectedData);
+ }
+
+ if (config.tooltip_grouped && (!config.data_selection_enabled || config.data_selection_grouped)) {
+ return;
+ }
+
+ $$.main.selectAll('.' + CLASS.shape + '-' + index)
+ .each(function () {
+ d3.select(this).classed(CLASS.EXPANDED, true);
+ if (config.data_selection_enabled) {
+ eventRect.style('cursor', config.data_selection_grouped ? 'pointer' : null);
+ }
+ if (!config.tooltip_grouped) {
+ $$.hideXGridFocus();
+ $$.hideTooltip();
+ if (!config.data_selection_grouped) {
+ $$.unexpandCircles(index);
+ $$.unexpandBars(index);
+ }
+ }
+ })
+ .filter(function (d) {
+ return $$.isWithinShape(this, d);
+ })
+ .each(function (d) {
+ if (config.data_selection_enabled && (config.data_selection_grouped || config.data_selection_isselectable(d))) {
+ eventRect.style('cursor', 'pointer');
+ }
+ if (!config.tooltip_grouped) {
+ $$.showTooltip([d], this);
+ $$.showXGridFocus([d]);
+ if (config.point_focus_expand_enabled) { $$.expandCircles(index, d.id, true); }
+ $$.expandBars(index, d.id, true);
+ }
+ });
+ })
+ .on('click', function (d) {
+ var index = d.index;
+ if ($$.hasArcType() || !$$.toggleShape) { return; }
+ if ($$.cancelClick) {
+ $$.cancelClick = false;
+ return;
+ }
+ if ($$.isStepType(d) && config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
+ index -= 1;
+ }
+ $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
+ if (config.data_selection_grouped || $$.isWithinShape(this, d)) {
+ $$.toggleShape(this, d, index);
+ $$.config.data_onclick.call($$.api, d, this);
+ }
+ });
+ })
+ .call(
+ config.data_selection_draggable && $$.drag ? (
+ d3.behavior.drag().origin(Object)
+ .on('drag', function () { $$.drag(d3.mouse(this)); })
+ .on('dragstart', function () { $$.dragstart(d3.mouse(this)); })
+ .on('dragend', function () { $$.dragend(); })
+ ) : function () {}
+ );
+ };
+
+ c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter) {
+ var $$ = this, d3 = $$.d3, config = $$.config;
+
+ function mouseout() {
+ $$.svg.select('.' + CLASS.eventRect).style('cursor', null);
+ $$.hideXGridFocus();
+ $$.hideTooltip();
+ $$.unexpandCircles();
+ $$.unexpandBars();
+ }
+
+ eventRectEnter.append('rect')
+ .attr('x', 0)
+ .attr('y', 0)
+ .attr('width', $$.width)
+ .attr('height', $$.height)
+ .attr('class', CLASS.eventRect)
+ .on('mouseout', function () {
+ if (!$$.config) { return; } // chart is destroyed
+ if ($$.hasArcType()) { return; }
+ mouseout();
+ })
+ .on('mousemove', function () {
+ var targetsToShow = $$.filterTargetsToShow($$.data.targets);
+ var mouse, closest, sameXData, selectedData;
+
+ if ($$.dragging) { return; } // do nothing when dragging
+ if ($$.hasArcType(targetsToShow)) { return; }
+
+ mouse = d3.mouse(this);
+ closest = $$.findClosestFromTargets(targetsToShow, mouse);
+
+ if ($$.mouseover && (!closest || closest.id !== $$.mouseover.id)) {
+ config.data_onmouseout.call($$.api, $$.mouseover);
+ $$.mouseover = undefined;
+ }
+
+ if (! closest) {
+ mouseout();
+ return;
+ }
+
+ if ($$.isScatterType(closest) || !config.tooltip_grouped) {
+ sameXData = [closest];
+ } else {
+ sameXData = $$.filterByX(targetsToShow, closest.x);
+ }
+
+ // show tooltip when cursor is close to some point
+ selectedData = sameXData.map(function (d) {
+ return $$.addName(d);
+ });
+ $$.showTooltip(selectedData, this);
+
+ // expand points
+ if (config.point_focus_expand_enabled) {
+ $$.expandCircles(closest.index, closest.id, true);
+ }
+ $$.expandBars(closest.index, closest.id, true);
+
+ // Show xgrid focus line
+ $$.showXGridFocus(selectedData);
+
+ // Show cursor as pointer if point is close to mouse position
+ if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
+ $$.svg.select('.' + CLASS.eventRect).style('cursor', 'pointer');
+ if (!$$.mouseover) {
+ config.data_onmouseover.call($$.api, closest);
+ $$.mouseover = closest;
+ }
+ }
+ })
+ .on('click', function () {
+ var targetsToShow = $$.filterTargetsToShow($$.data.targets);
+ var mouse, closest;
+ if ($$.hasArcType(targetsToShow)) { return; }
+
+ mouse = d3.mouse(this);
+ closest = $$.findClosestFromTargets(targetsToShow, mouse);
+ if (! closest) { return; }
+ // select if selection enabled
+ if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
+ $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(closest.id)).selectAll('.' + CLASS.shape + '-' + closest.index).each(function () {
+ if (config.data_selection_grouped || $$.isWithinShape(this, closest)) {
+ $$.toggleShape(this, closest, closest.index);
+ $$.config.data_onclick.call($$.api, closest, this);
+ }
+ });
+ }
+ })
+ .call(
+ config.data_selection_draggable && $$.drag ? (
+ d3.behavior.drag().origin(Object)
+ .on('drag', function () { $$.drag(d3.mouse(this)); })
+ .on('dragstart', function () { $$.dragstart(d3.mouse(this)); })
+ .on('dragend', function () { $$.dragend(); })
+ ) : function () {}
+ );
+ };
+ c3_chart_internal_fn.dispatchEvent = function (type, index, mouse) {
+ var $$ = this,
+ selector = '.' + CLASS.eventRect + (!$$.isMultipleX() ? '-' + index : ''),
+ eventRect = $$.main.select(selector).node(),
+ box = eventRect.getBoundingClientRect(),
+ x = box.left + (mouse ? mouse[0] : 0),
+ y = box.top + (mouse ? mouse[1] : 0),
+ event = document.createEvent("MouseEvents");
+
+ event.initMouseEvent(type, true, true, window, 0, x, y, x, y,
+ false, false, false, false, 0, null);
+ eventRect.dispatchEvent(event);
+ };
+
+ c3_chart_internal_fn.getCurrentWidth = function () {
+ var $$ = this, config = $$.config;
+ return config.size_width ? config.size_width : $$.getParentWidth();
+ };
+ c3_chart_internal_fn.getCurrentHeight = function () {
+ var $$ = this, config = $$.config,
+ h = config.size_height ? config.size_height : $$.getParentHeight();
+ return h > 0 ? h : 320 / ($$.hasType('gauge') ? 2 : 1);
+ };
+ c3_chart_internal_fn.getCurrentPaddingTop = function () {
+ var $$ = this,
+ config = $$.config,
+ padding = isValue(config.padding_top) ? config.padding_top : 0;
+ if ($$.title && $$.title.node()) {
+ padding += $$.getTitlePadding();
+ }
+ return padding;
+ };
+ c3_chart_internal_fn.getCurrentPaddingBottom = function () {
+ var config = this.config;
+ return isValue(config.padding_bottom) ? config.padding_bottom : 0;
+ };
+ c3_chart_internal_fn.getCurrentPaddingLeft = function (withoutRecompute) {
+ var $$ = this, config = $$.config;
+ if (isValue(config.padding_left)) {
+ return config.padding_left;
+ } else if (config.axis_rotated) {
+ return !config.axis_x_show ? 1 : Math.max($$.getAxisWidthByAxisId('x', withoutRecompute), 40 * config.completeScale);
+ } else if (!config.axis_y_show || config.axis_y_inner) { // && !config.axis_rotated
+ return $$.axis.getYAxisLabelPosition().isOuter ? 30 * config.completeScale : 1 * config.completeScale;
+ } else {
+ return $$.getAxisWidthByAxisId('y', withoutRecompute);
+ }
+ };
+ c3_chart_internal_fn.getCurrentPaddingRight = function () {
+ var $$ = this, config = $$.config,
+ defaultPadding = 10 * config.completeScale, legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 10 * config.completeScale : 0;
+ if (isValue(config.padding_right)) {
+ return config.padding_right + 1; // 1 is needed not to hide tick line
+ } else if (config.axis_rotated) {
+ return defaultPadding + legendWidthOnRight;
+ } else if (!config.axis_y2_show || config.axis_y2_inner) { // && !config.axis_rotated
+ return 4 * config.completeScale + legendWidthOnRight + ($$.axis.getY2AxisLabelPosition().isOuter ? 20 * config.completeScale : 0);
+ } else {
+ return $$.getAxisWidthByAxisId('y2') + legendWidthOnRight;
+ }
+ };
+
+ c3_chart_internal_fn.getParentRectValue = function (key) {
+ var parent = this.selectChart.node(), v;
+ while (parent && parent.tagName !== 'BODY') {
+ try {
+ v = parent.getBoundingClientRect()[key];
+ } catch(e) {
+ if (key === 'width') {
+ // In IE in certain cases getBoundingClientRect
+ // will cause an "unspecified error"
+ v = parent.offsetWidth;
+ }
+ }
+ if (v) {
+ break;
+ }
+ parent = parent.parentNode;
+ }
+ return v;
+ };
+ c3_chart_internal_fn.getParentWidth = function () {
+ return this.getParentRectValue('width');
+ };
+ c3_chart_internal_fn.getParentHeight = function () {
+ var h = this.selectChart.style('height');
+ return h.indexOf('px') > 0 ? +h.replace('px', '') : 0;
+ };
+
+
+ c3_chart_internal_fn.getSvgLeft = function (withoutRecompute) {
+ var $$ = this, config = $$.config,
+ hasLeftAxisRect = config.axis_rotated || (!config.axis_rotated && !config.axis_y_inner),
+ leftAxisClass = config.axis_rotated ? CLASS.axisX : CLASS.axisY,
+ leftAxis = $$.main.select('.' + leftAxisClass).node(),
+ svgRect = leftAxis && hasLeftAxisRect ? leftAxis.getBoundingClientRect() : {right: 0},
+ chartRect = $$.selectChart.node().getBoundingClientRect(),
+ hasArc = $$.hasArcType(),
+ svgLeft = svgRect.right - chartRect.left - (hasArc ? 0 : $$.getCurrentPaddingLeft(withoutRecompute));
+ return svgLeft > 0 ? svgLeft : 0;
+ };
+
+
+ c3_chart_internal_fn.getAxisWidthByAxisId = function (id, withoutRecompute) {
+ var $$ = this, position = $$.axis.getLabelPositionById(id);
+ if ($$.config.noyticks) {
+ return ($$.config.innerTickSize+2.0)*$$.config.completeScale;
+ }
+ return $$.axis.getMaxTickWidth(id, withoutRecompute) + (position.isInner ? 1 : 16)*$$.config.completeScale + ($$.config.innerTickSize+3)*$$.config.completeScale;
+ };
+ c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) {
+ var $$ = this, config = $$.config, h = (config.innerTickSize+1.5)*config.completeScale;
+ if (axisId === 'x' && !config.axis_x_show) { return 8 * $$.config.completeScale; }
+ if (axisId === 'x' && config.axis_x_height) { return config.axis_x_height; }
+ if (axisId === 'y' && !config.axis_y_show) { return (config.legend_show && !$$.isLegendRight && !$$.isLegendInset ? 10 : 1) * $$.config.completeScale; }
+ if (axisId === 'y2' && !config.axis_y2_show) { return $$.rotated_padding_top; }
+ // Calculate x axis height when tick rotated
+ if (axisId === 'x' && !config.axis_rotated && config.axis_x_tick_rotate) {
+ var tmp = Math.cos(Math.PI * (90 - config.axis_x_tick_rotate) / 180);
+ h += $$.axis.getMaxTickWidth(axisId) * tmp + config.completeScale*3 * tmp +
+ config.completeScale*13 * Math.abs(1-tmp);
+ }
+ if (axisId === 'x' && !config.axis_rotated && !config.axis_x_tick_rotate) {
+ h += config.completeScale*13;
+ }
+ if (config.noxticks) {
+ return (config.innerTickSize+2.0)*config.completeScale;
+ }
+ return h + ($$.axis.getLabelPositionById(axisId).isInner ? 0 : 13*$$.config.completeScale) + (axisId === 'y2' ? -10 : 0) + 4 * config.completeScale; //padding
+ };
+
+ c3_chart_internal_fn.getEventRectWidth = function () {
+ return Math.max(0, this.xAxis.tickInterval());
+ };
+
+ c3_chart_internal_fn.getShapeIndices = function (typeFilter) {
+ var $$ = this, config = $$.config,
+ indices = {}, i = 0, j, k;
+ $$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$)).forEach(function (d) {
+ for (j = 0; j < config.data_groups.length; j++) {
+ if (config.data_groups[j].indexOf(d.id) < 0) { continue; }
+ for (k = 0; k < config.data_groups[j].length; k++) {
+ if (config.data_groups[j][k] in indices) {
+ indices[d.id] = indices[config.data_groups[j][k]];
+ break;
+ }
+ }
+ }
+ if (isUndefined(indices[d.id])) { indices[d.id] = i++; }
+ });
+ indices.__max__ = i - 1;
+ return indices;
+ };
+ c3_chart_internal_fn.getShapeX = function (offset, targetsNum, indices, isSub) {
+ var $$ = this, scale = isSub ? $$.subX : $$.x;
+ return function (d) {
+ var index = d.id in indices ? indices[d.id] : 0;
+ return d.x || d.x === 0 ? scale(d.x) - offset * (targetsNum / 2 - index) : 0;
+ };
+ };
+ c3_chart_internal_fn.getShapeY = function (isSub) {
+ var $$ = this;
+ return function (d) {
+ var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id);
+ return scale(d.value);
+ };
+ };
+ c3_chart_internal_fn.getShapeOffset = function (typeFilter, indices, isSub) {
+ var $$ = this,
+ targets = $$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$))),
+ targetIds = targets.map(function (t) { return t.id; });
+ return function (d, i) {
+ var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id),
+ y0 = scale(0), offset = y0;
+ targets.forEach(function (t) {
+ var values = $$.isStepType(d) ? $$.convertValuesToStep(t.values) : t.values;
+ if (t.id === d.id || indices[t.id] !== indices[d.id]) { return; }
+ if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id)) {
+ // check if the x values line up
+ if (typeof values[i] === 'undefined' || +values[i].x !== +d.x) { // "+" for timeseries
+ // if not, try to find the value that does line up
+ i = -1;
+ values.forEach(function (v, j) {
+ if (v.x === d.x) {
+ i = j;
+ }
+ });
+ }
+ if (i in values && values[i].value * d.value >= 0) {
+ offset += scale(values[i].value) - y0;
+ }
+ }
+ });
+ return offset;
+ };
+ };
+ c3_chart_internal_fn.isWithinShape = function (that, d) {
+ var $$ = this,
+ shape = $$.d3.select(that), isWithin;
+ if (!$$.isTargetToShow(d.id)) {
+ isWithin = false;
+ }
+ else if (that.nodeName === 'circle') {
+ isWithin = $$.isStepType(d) ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value)) : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5);
+ }
+ else if (that.nodeName === 'path') {
+ isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar(that) : true;
+ }
+ return isWithin;
+ };
+
+
+ c3_chart_internal_fn.getInterpolate = function (d) {
+ var $$ = this,
+ interpolation = $$.isInterpolationType($$.config.spline_interpolation_type) ? $$.config.spline_interpolation_type : 'cardinal';
+ return $$.isSplineType(d) ? interpolation : $$.isStepType(d) ? $$.config.line_step_type : "linear";
+ };
+
+ c3_chart_internal_fn.initLine = function () {
+ var $$ = this;
+ $$.main.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.chartLines);
+ };
+ c3_chart_internal_fn.updateTargetsForLine = function (targets) {
+ var $$ = this, config = $$.config,
+ mainLineUpdate, mainLineEnter,
+ classChartLine = $$.classChartLine.bind($$),
+ classLines = $$.classLines.bind($$),
+ classAreas = $$.classAreas.bind($$),
+ classCircles = $$.classCircles.bind($$),
+ classFocus = $$.classFocus.bind($$);
+ mainLineUpdate = $$.main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine)
+ .data(targets)
+ .attr('class', function (d) { return classChartLine(d) + classFocus(d); });
+ mainLineEnter = mainLineUpdate.enter().append('g')
+ .attr('class', classChartLine)
+ .style('opacity', 0)
+ .style("pointer-events", "none");
+ // Lines for each data
+ mainLineEnter.append('g')
+ .attr("class", classLines);
+ // Areas
+ mainLineEnter.append('g')
+ .attr('class', classAreas);
+ // Circles for each data point on lines
+ mainLineEnter.append('g')
+ .attr("class", function (d) { return $$.generateClass(CLASS.selectedCircles, d.id); });
+ mainLineEnter.append('g')
+ .attr("class", classCircles)
+ .style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; });
+ // Update date for selected circles
+ targets.forEach(function (t) {
+ $$.main.selectAll('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(t.id)).selectAll('.' + CLASS.selectedCircle).each(function (d) {
+ d.value = t.values[d.index].value;
+ });
+ });
+ // MEMO: can not keep same color...
+ //mainLineUpdate.exit().remove();
+ };
+ c3_chart_internal_fn.updateLine = function (durationForExit) {
+ var $$ = this;
+ $$.mainLine = $$.main.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line)
+ .data($$.lineData.bind($$));
+ $$.mainLine.enter().append('path')
+ .attr('class', $$.classLine.bind($$))
+ .style("stroke", $$.color);
+ $$.mainLine
+ .style("opacity", $$.initialOpacity.bind($$))
+ .style('shape-rendering', function (d) { return $$.isStepType(d) ? 'crispEdges' : ''; })
+ .attr('transform', null);
+ $$.mainLine.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawLine = function (drawLine, withTransition) {
+ return [
+ (withTransition ? this.mainLine.transition(Math.random().toString()) : this.mainLine)
+ .attr("d", drawLine)
+ .style("stroke", this.color)
+ .style("opacity", 1)
+ ];
+ };
+ c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) {
+ var $$ = this, config = $$.config,
+ line = $$.d3.svg.line(),
+ getPoints = $$.generateGetLinePoints(lineIndices, isSub),
+ yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
+ xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); },
+ yValue = function (d, i) {
+ return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)(d.value);
+ };
+
+ line = config.axis_rotated ? line.x(yValue).y(xValue) : line.x(xValue).y(yValue);
+ if (!config.line_connectNull) { line = line.defined(function (d) { return d.value != null; }); }
+ return function (d) {
+ var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
+ x = isSub ? $$.x : $$.subX, y = yScaleGetter.call($$, d.id), x0 = 0, y0 = 0, path;
+ if ($$.isLineType(d)) {
+ if (config.data_regions[d.id]) {
+ path = $$.lineWithRegions(values, x, y, config.data_regions[d.id]);
+ } else {
+ if ($$.isStepType(d)) { values = $$.convertValuesToStep(values); }
+ path = line.interpolate($$.getInterpolate(d))(values);
+ }
+ } else {
+ if (values[0]) {
+ x0 = x(values[0].x);
+ y0 = y(values[0].value);
+ }
+ path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
+ }
+ return path ? path : "M 0 0";
+ };
+ };
+ c3_chart_internal_fn.generateGetLinePoints = function (lineIndices, isSub) { // partial duplication of generateGetBarPoints
+ var $$ = this, config = $$.config,
+ lineTargetsNum = lineIndices.__max__ + 1,
+ x = $$.getShapeX(0, lineTargetsNum, lineIndices, !!isSub),
+ y = $$.getShapeY(!!isSub),
+ lineOffset = $$.getShapeOffset($$.isLineType, lineIndices, !!isSub),
+ yScale = isSub ? $$.getSubYScale : $$.getYScale;
+ return function (d, i) {
+ var y0 = yScale.call($$, d.id)(0),
+ offset = lineOffset(d, i) || y0, // offset is for stacked area chart
+ posX = x(d), posY = y(d);
+ // fix posY not to overflow opposite quadrant
+ if (config.axis_rotated) {
+ if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
+ }
+ // 1 point that marks the line position
+ return [
+ [posX, posY - (y0 - offset)],
+ [posX, posY - (y0 - offset)], // needed for compatibility
+ [posX, posY - (y0 - offset)], // needed for compatibility
+ [posX, posY - (y0 - offset)] // needed for compatibility
+ ];
+ };
+ };
+
+
+ c3_chart_internal_fn.lineWithRegions = function (d, x, y, _regions) {
+ var $$ = this, config = $$.config,
+ prev = -1, i, j,
+ s = "M", sWithRegion,
+ xp, yp, dx, dy, dd, diff, diffx2,
+ xOffset = $$.isCategorized() ? 0.5 : 0,
+ xValue, yValue,
+ regions = [];
+
+ function isWithinRegions(x, regions) {
+ var i;
+ for (i = 0; i < regions.length; i++) {
+ if (regions[i].start < x && x <= regions[i].end) { return true; }
+ }
+ return false;
+ }
+
+ // Check start/end of regions
+ if (isDefined(_regions)) {
+ for (i = 0; i < _regions.length; i++) {
+ regions[i] = {};
+ if (isUndefined(_regions[i].start)) {
+ regions[i].start = d[0].x;
+ } else {
+ regions[i].start = $$.isTimeSeries() ? $$.parseDate(_regions[i].start) : _regions[i].start;
+ }
+ if (isUndefined(_regions[i].end)) {
+ regions[i].end = d[d.length - 1].x;
+ } else {
+ regions[i].end = $$.isTimeSeries() ? $$.parseDate(_regions[i].end) : _regions[i].end;
+ }
+ }
+ }
+
+ // Set scales
+ xValue = config.axis_rotated ? function (d) { return y(d.value); } : function (d) { return x(d.x); };
+ yValue = config.axis_rotated ? function (d) { return x(d.x); } : function (d) { return y(d.value); };
+
+ // Define svg generator function for region
+ function generateM(points) {
+ return 'M' + points[0][0] + ' ' + points[0][1] + ' ' + points[1][0] + ' ' + points[1][1];
+ }
+ if ($$.isTimeSeries()) {
+ sWithRegion = function (d0, d1, j, diff) {
+ var x0 = d0.x.getTime(), x_diff = d1.x - d0.x,
+ xv0 = new Date(x0 + x_diff * j),
+ xv1 = new Date(x0 + x_diff * (j + diff)),
+ points;
+ if (config.axis_rotated) {
+ points = [[y(yp(j)), x(xv0)], [y(yp(j + diff)), x(xv1)]];
+ } else {
+ points = [[x(xv0), y(yp(j))], [x(xv1), y(yp(j + diff))]];
+ }
+ return generateM(points);
+ };
+ } else {
+ sWithRegion = function (d0, d1, j, diff) {
+ var points;
+ if (config.axis_rotated) {
+ points = [[y(yp(j), true), x(xp(j))], [y(yp(j + diff), true), x(xp(j + diff))]];
+ } else {
+ points = [[x(xp(j), true), y(yp(j))], [x(xp(j + diff), true), y(yp(j + diff))]];
+ }
+ return generateM(points);
+ };
+ }
+
+ // Generate
+ for (i = 0; i < d.length; i++) {
+
+ // Draw as normal
+ if (isUndefined(regions) || ! isWithinRegions(d[i].x, regions)) {
+ s += " " + xValue(d[i]) + " " + yValue(d[i]);
+ }
+ // Draw with region // TODO: Fix for horizotal charts
+ else {
+ xp = $$.getScale(d[i - 1].x + xOffset, d[i].x + xOffset, $$.isTimeSeries());
+ yp = $$.getScale(d[i - 1].value, d[i].value);
+
+ dx = x(d[i].x) - x(d[i - 1].x);
+ dy = y(d[i].value) - y(d[i - 1].value);
+ dd = Math.sqrt(Math.pow(dx, 2) + Math.pow(dy, 2));
+ diff = 2 / dd;
+ diffx2 = diff * 2;
+
+ for (j = diff; j <= 1; j += diffx2) {
+ s += sWithRegion(d[i - 1], d[i], j, diff);
+ }
+ }
+ prev = d[i].x;
+ }
+
+ return s;
+ };
+
+
+ c3_chart_internal_fn.updateArea = function (durationForExit) {
+ var $$ = this, d3 = $$.d3;
+ $$.mainArea = $$.main.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area)
+ .data($$.lineData.bind($$));
+ $$.mainArea.enter().append('path')
+ .attr("class", $$.classArea.bind($$))
+ .style("fill", $$.color)
+ .style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; });
+ $$.mainArea
+ .style("opacity", $$.orgAreaOpacity);
+ $$.mainArea.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawArea = function (drawArea, withTransition) {
+ return [
+ (withTransition ? this.mainArea.transition(Math.random().toString()) : this.mainArea)
+ .attr("d", drawArea)
+ .style("fill", this.color)
+ .style("opacity", this.orgAreaOpacity)
+ ];
+ };
+ c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) {
+ var $$ = this, config = $$.config, area = $$.d3.svg.area(),
+ getPoints = $$.generateGetAreaPoints(areaIndices, isSub),
+ yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
+ xValue = function (d) { return (isSub ? $$.subxx : $$.xx).call($$, d); },
+ value0 = function (d, i) {
+ return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)($$.getAreaBaseValue(d.id));
+ },
+ value1 = function (d, i) {
+ return config.data_groups.length > 0 ? getPoints(d, i)[1][1] : yScaleGetter.call($$, d.id)(d.value);
+ };
+
+ area = config.axis_rotated ? area.x0(value0).x1(value1).y(xValue) : area.x(xValue).y0(value0).y1(value1);
+ if (!config.line_connectNull) {
+ area = area.defined(function (d) { return d.value !== null; });
+ }
+
+ return function (d) {
+ var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
+ x0 = 0, y0 = 0, path;
+ if ($$.isAreaType(d)) {
+ if ($$.isStepType(d)) { values = $$.convertValuesToStep(values); }
+ path = area.interpolate($$.getInterpolate(d))(values);
+ } else {
+ if (values[0]) {
+ x0 = $$.x(values[0].x);
+ y0 = $$.getYScale(d.id)(values[0].value);
+ }
+ path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
+ }
+ return path ? path : "M 0 0";
+ };
+ };
+ c3_chart_internal_fn.getAreaBaseValue = function () {
+ return 0;
+ };
+ c3_chart_internal_fn.generateGetAreaPoints = function (areaIndices, isSub) { // partial duplication of generateGetBarPoints
+ var $$ = this, config = $$.config,
+ areaTargetsNum = areaIndices.__max__ + 1,
+ x = $$.getShapeX(0, areaTargetsNum, areaIndices, !!isSub),
+ y = $$.getShapeY(!!isSub),
+ areaOffset = $$.getShapeOffset($$.isAreaType, areaIndices, !!isSub),
+ yScale = isSub ? $$.getSubYScale : $$.getYScale;
+ return function (d, i) {
+ var y0 = yScale.call($$, d.id)(0),
+ offset = areaOffset(d, i) || y0, // offset is for stacked area chart
+ posX = x(d), posY = y(d);
+ // fix posY not to overflow opposite quadrant
+ if (config.axis_rotated) {
+ if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
+ }
+ // 1 point that marks the area position
+ return [
+ [posX, offset],
+ [posX, posY - (y0 - offset)],
+ [posX, posY - (y0 - offset)], // needed for compatibility
+ [posX, offset] // needed for compatibility
+ ];
+ };
+ };
+
+
+ c3_chart_internal_fn.updateCircle = function () {
+ var $$ = this;
+ $$.mainCircle = $$.main.selectAll('.' + CLASS.circles).selectAll('.' + CLASS.circle)
+ .data($$.lineOrScatterData.bind($$));
+ $$.mainCircle.enter().append("circle")
+ .attr("class", $$.classCircle.bind($$))
+ .attr("r", $$.pointR.bind($$))
+ .style("fill", $$.color);
+ $$.mainCircle
+ .style("opacity", $$.initialOpacityForCircle.bind($$));
+ $$.mainCircle.exit().remove();
+ };
+ c3_chart_internal_fn.redrawCircle = function (cx, cy, withTransition) {
+ var selectedCircles = this.main.selectAll('.' + CLASS.selectedCircle);
+ return [
+ (withTransition ? this.mainCircle.transition(Math.random().toString()) : this.mainCircle)
+ .style('opacity', this.opacityForCircle.bind(this))
+ .style("fill", this.color)
+ .attr("cx", cx)
+ .attr("cy", cy),
+ (withTransition ? selectedCircles.transition(Math.random().toString()) : selectedCircles)
+ .attr("cx", cx)
+ .attr("cy", cy)
+ ];
+ };
+ c3_chart_internal_fn.circleX = function (d) {
+ return d.x || d.x === 0 ? this.x(d.x) : null;
+ };
+ c3_chart_internal_fn.updateCircleY = function () {
+ var $$ = this, lineIndices, getPoints;
+ if ($$.config.data_groups.length > 0) {
+ lineIndices = $$.getShapeIndices($$.isLineType),
+ getPoints = $$.generateGetLinePoints(lineIndices);
+ $$.circleY = function (d, i) {
+ return getPoints(d, i)[0][1];
+ };
+ } else {
+ $$.circleY = function (d) {
+ return $$.getYScale(d.id)(d.value);
+ };
+ }
+ };
+ c3_chart_internal_fn.getCircles = function (i, id) {
+ var $$ = this;
+ return (id ? $$.main.selectAll('.' + CLASS.circles + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.circle + (isValue(i) ? '-' + i : ''));
+ };
+ c3_chart_internal_fn.expandCircles = function (i, id, reset) {
+ var $$ = this,
+ r = $$.pointExpandedR.bind($$);
+ if (reset) { $$.unexpandCircles(); }
+ $$.getCircles(i, id)
+ .classed(CLASS.EXPANDED, true)
+ .attr('r', r);
+ };
+ c3_chart_internal_fn.unexpandCircles = function (i) {
+ var $$ = this,
+ r = $$.pointR.bind($$);
+ $$.getCircles(i)
+ .filter(function () { return $$.d3.select(this).classed(CLASS.EXPANDED); })
+ .classed(CLASS.EXPANDED, false)
+ .attr('r', r);
+ };
+ c3_chart_internal_fn.pointR = function (d) {
+ var $$ = this, config = $$.config;
+ return $$.isStepType(d) ? 0 : (isFunction(config.point_r) ? config.point_r(d) : config.point_r);
+ };
+ c3_chart_internal_fn.pointExpandedR = function (d) {
+ var $$ = this, config = $$.config;
+ return config.point_focus_expand_enabled ? (config.point_focus_expand_r ? config.point_focus_expand_r : $$.pointR(d) * 1.75) : $$.pointR(d);
+ };
+ c3_chart_internal_fn.pointSelectR = function (d) {
+ var $$ = this, config = $$.config;
+ return config.point_select_r ? config.point_select_r : $$.pointR(d) * 4;
+ };
+ c3_chart_internal_fn.isWithinCircle = function (that, r) {
+ var d3 = this.d3,
+ mouse = d3.mouse(that), d3_this = d3.select(that),
+ cx = +d3_this.attr("cx"), cy = +d3_this.attr("cy");
+ return Math.sqrt(Math.pow(cx - mouse[0], 2) + Math.pow(cy - mouse[1], 2)) < r;
+ };
+ c3_chart_internal_fn.isWithinStep = function (that, y) {
+ return Math.abs(y - this.d3.mouse(that)[1]) < 30;
+ };
+
+ c3_chart_internal_fn.initBar = function () {
+ var $$ = this;
+ $$.main.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.chartBars);
+ };
+ c3_chart_internal_fn.updateTargetsForBar = function (targets) {
+ var $$ = this, config = $$.config,
+ mainBarUpdate, mainBarEnter,
+ classChartBar = $$.classChartBar.bind($$),
+ classBars = $$.classBars.bind($$),
+ classFocus = $$.classFocus.bind($$);
+ mainBarUpdate = $$.main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar)
+ .data(targets)
+ .attr('class', function (d) { return classChartBar(d) + classFocus(d); });
+ mainBarEnter = mainBarUpdate.enter().append('g')
+ .attr('class', classChartBar)
+ .style('opacity', 0)
+ .style("pointer-events", "none");
+ // Bars for each data
+ mainBarEnter.append('g')
+ .attr("class", classBars)
+ .style("cursor", function (d) { return config.data_selection_isselectable(d) ? "pointer" : null; });
+
+ };
+ c3_chart_internal_fn.updateBar = function (durationForExit) {
+ var $$ = this,
+ barData = $$.barData.bind($$),
+ classBar = $$.classBar.bind($$),
+ initialOpacity = $$.initialOpacity.bind($$),
+ color = function (d) { return $$.color(d.id); };
+ $$.mainBar = $$.main.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar)
+ .data(barData);
+ $$.mainBar.enter().append('path')
+ .attr("class", classBar)
+ .style("stroke", color)
+ .style("fill", color);
+ $$.mainBar
+ .style("opacity", initialOpacity);
+ $$.mainBar.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawBar = function (drawBar, withTransition) {
+ return [
+ (withTransition ? this.mainBar.transition(Math.random().toString()) : this.mainBar)
+ .attr('d', drawBar)
+ .style("fill", this.color)
+ .style("opacity", 1)
+ ];
+ };
+ c3_chart_internal_fn.getBarW = function (axis, barTargetsNum) {
+ var $$ = this, config = $$.config,
+ w = typeof config.bar_width === 'number' ? config.bar_width : barTargetsNum ? (axis.tickInterval() * config.bar_width_ratio) / barTargetsNum : 0;
+ return config.bar_width_max && w > config.bar_width_max ? config.bar_width_max : w;
+ };
+ c3_chart_internal_fn.getBars = function (i, id) {
+ var $$ = this;
+ return (id ? $$.main.selectAll('.' + CLASS.bars + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.bar + (isValue(i) ? '-' + i : ''));
+ };
+ c3_chart_internal_fn.expandBars = function (i, id, reset) {
+ var $$ = this;
+ if (reset) { $$.unexpandBars(); }
+ $$.getBars(i, id).classed(CLASS.EXPANDED, true);
+ };
+ c3_chart_internal_fn.unexpandBars = function (i) {
+ var $$ = this;
+ $$.getBars(i).classed(CLASS.EXPANDED, false);
+ };
+ c3_chart_internal_fn.generateDrawBar = function (barIndices, isSub) {
+ var $$ = this, config = $$.config,
+ getPoints = $$.generateGetBarPoints(barIndices, isSub);
+ return function (d, i) {
+ // 4 points that make a bar
+ var points = getPoints(d, i);
+
+ // switch points if axis is rotated, not applicable for sub chart
+ var indexX = config.axis_rotated ? 1 : 0;
+ var indexY = config.axis_rotated ? 0 : 1;
+
+ var path = 'M ' + points[0][indexX] + ',' + points[0][indexY] + ' ' +
+ 'L' + points[1][indexX] + ',' + points[1][indexY] + ' ' +
+ 'L' + points[2][indexX] + ',' + points[2][indexY] + ' ' +
+ 'L' + points[3][indexX] + ',' + points[3][indexY] + ' ' +
+ 'z';
+
+ return path;
+ };
+ };
+ c3_chart_internal_fn.generateGetBarPoints = function (barIndices, isSub) {
+ var $$ = this,
+ axis = isSub ? $$.subXAxis : $$.xAxis,
+ barTargetsNum = barIndices.__max__ + 1,
+ barW = $$.getBarW(axis, barTargetsNum),
+ barX = $$.getShapeX(barW, barTargetsNum, barIndices, !!isSub),
+ barY = $$.getShapeY(!!isSub),
+ barOffset = $$.getShapeOffset($$.isBarType, barIndices, !!isSub),
+ yScale = isSub ? $$.getSubYScale : $$.getYScale;
+ return function (d, i) {
+ var y0 = yScale.call($$, d.id)(0),
+ offset = barOffset(d, i) || y0, // offset is for stacked bar chart
+ posX = barX(d), posY = barY(d);
+ // fix posY not to overflow opposite quadrant
+ if ($$.config.axis_rotated) {
+ if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) { posY = y0; }
+ }
+ // 4 points that make a bar
+ return [
+ [posX, offset],
+ [posX, posY - (y0 - offset)],
+ [posX + barW, posY - (y0 - offset)],
+ [posX + barW, offset]
+ ];
+ };
+ };
+ c3_chart_internal_fn.isWithinBar = function (that) {
+ var mouse = this.d3.mouse(that), box = that.getBoundingClientRect(),
+ seg0 = that.pathSegList.getItem(0), seg1 = that.pathSegList.getItem(1),
+ x = Math.min(seg0.x, seg1.x), y = Math.min(seg0.y, seg1.y),
+ w = box.width, h = box.height, offset = 2,
+ sx = x - offset, ex = x + w + offset, sy = y + h + offset, ey = y - offset;
+ return sx < mouse[0] && mouse[0] < ex && ey < mouse[1] && mouse[1] < sy;
+ };
+
+ c3_chart_internal_fn.initText = function () {
+ var $$ = this;
+ $$.main.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.chartTexts);
+ $$.mainText = $$.d3.selectAll([]);
+ };
+ c3_chart_internal_fn.updateTargetsForText = function (targets) {
+ var $$ = this, mainTextUpdate, mainTextEnter,
+ classChartText = $$.classChartText.bind($$),
+ classTexts = $$.classTexts.bind($$),
+ classFocus = $$.classFocus.bind($$);
+ mainTextUpdate = $$.main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText)
+ .data(targets)
+ .attr('class', function (d) { return classChartText(d) + classFocus(d); });
+ mainTextEnter = mainTextUpdate.enter().append('g')
+ .attr('class', classChartText)
+ .style('opacity', 0)
+ .style("pointer-events", "none");
+ mainTextEnter.append('g')
+ .attr('class', classTexts);
+ };
+ c3_chart_internal_fn.updateText = function (durationForExit) {
+ var $$ = this, config = $$.config,
+ barOrLineData = $$.barOrLineData.bind($$),
+ classText = $$.classText.bind($$);
+ $$.mainText = $$.main.selectAll('.' + CLASS.texts).selectAll('.' + CLASS.text)
+ .data(barOrLineData);
+ $$.mainText.enter().append('text')
+ .attr("class", classText)
+ .attr('text-anchor', function (d) { return config.axis_rotated ? (d.value < 0 ? 'end' : 'start') : 'middle'; })
+ .style("stroke", 'none')
+ .style("fill", function (d) { return $$.color(d); })
+ .style("fill-opacity", 0);
+ $$.mainText
+ .text(function (d, i, j) { return $$.dataLabelFormat(d.id)(d.value, d.id, i, j); });
+ $$.mainText.exit()
+ .transition().duration(durationForExit)
+ .style('fill-opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawText = function (xForText, yForText, forFlow, withTransition) {
+ return [
+ (withTransition ? this.mainText.transition() : this.mainText)
+ .attr('x', xForText)
+ .attr('y', yForText)
+ .style("fill", this.color)
+ .style("fill-opacity", forFlow ? 0 : this.opacityForText.bind(this))
+ ];
+ };
+ c3_chart_internal_fn.getTextRect = function (text, cls, element) {
+ var dummy = this.d3.select('body').append('div').classed('c3', true),
+ svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0).style('font-size', $(this.config.bindto.parentElement).css('font-size')).style('font-family', $(this.config.bindto.parentElement).css('font-family')),
+ rect;
+ svg.selectAll('.dummy')
+ .data([text])
+ .enter().append('text')
+ .classed(cls ? cls : "", true)
+ .text(text)
+ .each(function () { rect = this.getBoundingClientRect(); });
+ dummy.remove();
+ return rect;
+ };
+ c3_chart_internal_fn.generateXYForText = function (areaIndices, barIndices, lineIndices, forX) {
+ var $$ = this,
+ getAreaPoints = $$.generateGetAreaPoints(areaIndices, false),
+ getBarPoints = $$.generateGetBarPoints(barIndices, false),
+ getLinePoints = $$.generateGetLinePoints(lineIndices, false),
+ getter = forX ? $$.getXForText : $$.getYForText;
+ return function (d, i) {
+ var getPoints = $$.isAreaType(d) ? getAreaPoints : $$.isBarType(d) ? getBarPoints : getLinePoints;
+ return getter.call($$, getPoints(d, i), d, this);
+ };
+ };
+ c3_chart_internal_fn.getXForText = function (points, d, textElement) {
+ var $$ = this,
+ box = textElement.getBoundingClientRect(), xPos, padding;
+ if ($$.config.axis_rotated) {
+ padding = $$.isBarType(d) ? 4 : 6;
+ xPos = points[2][1] + padding * (d.value < 0 ? -1 : 1);
+ } else {
+ xPos = $$.hasType('bar') ? (points[2][0] + points[0][0]) / 2 : points[0][0];
+ }
+ // show labels regardless of the domain if value is null
+ if (d.value === null) {
+ if (xPos > $$.width) {
+ xPos = $$.width - box.width;
+ } else if (xPos < 0) {
+ xPos = 4;
+ }
+ }
+ return xPos;
+ };
+ c3_chart_internal_fn.getYForText = function (points, d, textElement) {
+ var $$ = this,
+ box = textElement.getBoundingClientRect(),
+ yPos;
+ if ($$.config.axis_rotated) {
+ yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2;
+ } else {
+ yPos = points[2][1];
+ if (d.value < 0 || (d.value === 0 && !$$.hasPositiveValue)) {
+ yPos += box.height;
+ if ($$.isBarType(d) && $$.isSafari()) {
+ yPos -= 3;
+ }
+ else if (!$$.isBarType(d) && $$.isChrome()) {
+ yPos += 3;
+ }
+ } else {
+ yPos += $$.isBarType(d) ? -3 : -6;
+ }
+ }
+ // show labels regardless of the domain if value is null
+ if (d.value === null && !$$.config.axis_rotated) {
+ if (yPos < box.height) {
+ yPos = box.height;
+ } else if (yPos > this.height) {
+ yPos = this.height - 4;
+ }
+ }
+ return yPos;
+ };
+
+ c3_chart_internal_fn.setTargetType = function (targetIds, type) {
+ var $$ = this, config = $$.config;
+ $$.mapToTargetIds(targetIds).forEach(function (id) {
+ $$.withoutFadeIn[id] = (type === config.data_types[id]);
+ config.data_types[id] = type;
+ });
+ if (!targetIds) {
+ config.data_type = type;
+ }
+ };
+ c3_chart_internal_fn.hasType = function (type, targets) {
+ var $$ = this, types = $$.config.data_types, has = false;
+ targets = targets || $$.data.targets;
+ if (targets && targets.length) {
+ targets.forEach(function (target) {
+ var t = types[target.id];
+ if ((t && t.indexOf(type) >= 0) || (!t && type === 'line')) {
+ has = true;
+ }
+ });
+ } else if (Object.keys(types).length) {
+ Object.keys(types).forEach(function (id) {
+ if (types[id] === type) { has = true; }
+ });
+ } else {
+ has = $$.config.data_type === type;
+ }
+ return has;
+ };
+ c3_chart_internal_fn.hasArcType = function (targets) {
+ return this.hasType('pie', targets) || this.hasType('donut', targets) || this.hasType('gauge', targets);
+ };
+ c3_chart_internal_fn.isLineType = function (d) {
+ var config = this.config, id = isString(d) ? d : d.id;
+ return !config.data_types[id] || ['line', 'spline', 'area', 'area-spline', 'step', 'area-step'].indexOf(config.data_types[id]) >= 0;
+ };
+ c3_chart_internal_fn.isStepType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return ['step', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
+ };
+ c3_chart_internal_fn.isSplineType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return ['spline', 'area-spline'].indexOf(this.config.data_types[id]) >= 0;
+ };
+ c3_chart_internal_fn.isAreaType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return ['area', 'area-spline', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
+ };
+ c3_chart_internal_fn.isBarType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return this.config.data_types[id] === 'bar';
+ };
+ c3_chart_internal_fn.isScatterType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return this.config.data_types[id] === 'scatter';
+ };
+ c3_chart_internal_fn.isPieType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return this.config.data_types[id] === 'pie';
+ };
+ c3_chart_internal_fn.isGaugeType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return this.config.data_types[id] === 'gauge';
+ };
+ c3_chart_internal_fn.isDonutType = function (d) {
+ var id = isString(d) ? d : d.id;
+ return this.config.data_types[id] === 'donut';
+ };
+ c3_chart_internal_fn.isArcType = function (d) {
+ return this.isPieType(d) || this.isDonutType(d) || this.isGaugeType(d);
+ };
+ c3_chart_internal_fn.lineData = function (d) {
+ return this.isLineType(d) ? [d] : [];
+ };
+ c3_chart_internal_fn.arcData = function (d) {
+ return this.isArcType(d.data) ? [d] : [];
+ };
+ /* not used
+ function scatterData(d) {
+ return isScatterType(d) ? d.values : [];
+ }
+ */
+ c3_chart_internal_fn.barData = function (d) {
+ return this.isBarType(d) ? d.values : [];
+ };
+ c3_chart_internal_fn.lineOrScatterData = function (d) {
+ return this.isLineType(d) || this.isScatterType(d) ? d.values : [];
+ };
+ c3_chart_internal_fn.barOrLineData = function (d) {
+ return this.isBarType(d) || this.isLineType(d) ? d.values : [];
+ };
+ c3_chart_internal_fn.isInterpolationType = function (type) {
+ return ['linear', 'linear-closed', 'basis', 'basis-open', 'basis-closed', 'bundle', 'cardinal', 'cardinal-open', 'cardinal-closed', 'monotone'].indexOf(type) >= 0;
+ };
+
+ c3_chart_internal_fn.initGrid = function () {
+ var $$ = this, config = $$.config, d3 = $$.d3;
+ $$.grid = $$.main.append('g')
+ .attr("clip-path", $$.clipPathForGrid)
+ .attr('class', CLASS.grid);
+ if (config.grid_x_show) {
+ $$.grid.append("g").attr("class", CLASS.xgrids);
+ }
+ if (config.grid_y_show) {
+ $$.grid.append('g').attr('class', CLASS.ygrids);
+ }
+ if (config.grid_focus_show) {
+ $$.grid.append('g')
+ .attr("class", CLASS.xgridFocus)
+ .append('line')
+ .attr('class', CLASS.xgridFocus);
+ }
+ $$.xgrid = d3.selectAll([]);
+ if (!config.grid_lines_front) { $$.initGridLines(); }
+ };
+ c3_chart_internal_fn.initGridLines = function () {
+ var $$ = this, d3 = $$.d3;
+ $$.gridLines = $$.main.append('g')
+ .attr("clip-path", $$.clipPathForGrid)
+ .attr('class', CLASS.grid + ' ' + CLASS.gridLines);
+ $$.gridLines.append('g').attr("class", CLASS.xgridLines);
+ $$.gridLines.append('g').attr('class', CLASS.ygridLines);
+ $$.xgridLines = d3.selectAll([]);
+ };
+ c3_chart_internal_fn.updateXGrid = function (withoutUpdate) {
+ var $$ = this, config = $$.config, d3 = $$.d3,
+ xgridData = $$.generateGridData(config.grid_x_type, $$.x),
+ tickOffset = $$.isCategorized() ? $$.xAxis.tickOffset() : 0;
+
+ $$.xgridAttr = config.axis_rotated ? {
+ 'x1': 0,
+ 'x2': $$.width,
+ 'y1': function (d) { return $$.x(d) - tickOffset; },
+ 'y2': function (d) { return $$.x(d) - tickOffset; }
+ } : {
+ 'x1': function (d) { return $$.x(d) + tickOffset; },
+ 'x2': function (d) { return $$.x(d) + tickOffset; },
+ 'y1': 0,
+ 'y2': $$.height
+ };
+
+ $$.xgrid = $$.main.select('.' + CLASS.xgrids).selectAll('.' + CLASS.xgrid)
+ .data(xgridData);
+ $$.xgrid.enter().append('line').attr("class", CLASS.xgrid);
+ if (!withoutUpdate) {
+ $$.xgrid.attr($$.xgridAttr)
+ .style("opacity", function () { return +d3.select(this).attr(config.axis_rotated ? 'y1' : 'x1') === (config.axis_rotated ? $$.height : 0) ? 0 : 1; });
+ }
+ $$.xgrid.exit().remove();
+ };
+
+ c3_chart_internal_fn.updateYGrid = function () {
+ var $$ = this, config = $$.config,
+ gridValues = $$.yAxis.tickValues() || $$.y.ticks(config.grid_y_ticks);
+ $$.ygrid = $$.main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid)
+ .data(gridValues);
+ $$.ygrid.enter().append('line')
+ .attr('class', CLASS.ygrid);
+ $$.ygrid.attr("x1", config.axis_rotated ? $$.y : 0)
+ .attr("x2", config.axis_rotated ? $$.y : $$.width)
+ .attr("y1", config.axis_rotated ? 0 : $$.y)
+ .attr("y2", config.axis_rotated ? $$.height : $$.y);
+ $$.ygrid.exit().remove();
+ $$.smoothLines($$.ygrid, 'grid');
+ };
+
+ c3_chart_internal_fn.gridTextAnchor = function (d) {
+ return d.position ? d.position : "end";
+ };
+ c3_chart_internal_fn.gridTextDx = function (d) {
+ return d.position === 'start' ? 4 : d.position === 'middle' ? 0 : -4;
+ };
+ c3_chart_internal_fn.xGridTextX = function (d) {
+ return d.position === 'start' ? -this.height : d.position === 'middle' ? -this.height / 2 : 0;
+ };
+ c3_chart_internal_fn.yGridTextX = function (d) {
+ return d.position === 'start' ? 0 : d.position === 'middle' ? this.width / 2 : this.width;
+ };
+ c3_chart_internal_fn.updateGrid = function (duration) {
+ var $$ = this, main = $$.main, config = $$.config,
+ xgridLine, ygridLine, yv;
+
+ // hide if arc type
+ $$.grid.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');
+
+ main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
+ if (config.grid_x_show) {
+ $$.updateXGrid();
+ }
+ $$.xgridLines = main.select('.' + CLASS.xgridLines).selectAll('.' + CLASS.xgridLine)
+ .data(config.grid_x_lines);
+ // enter
+ xgridLine = $$.xgridLines.enter().append('g')
+ .attr("class", function (d) { return CLASS.xgridLine + (d['class'] ? ' ' + d['class'] : ''); });
+ xgridLine.append('line')
+ .style("opacity", 0);
+ xgridLine.append('text')
+ .attr("text-anchor", $$.gridTextAnchor)
+ .attr("transform", config.axis_rotated ? "" : "rotate(-90)")
+ .attr('dx', $$.gridTextDx)
+ .attr('dy', -5)
+ .style("opacity", 0);
+ // udpate
+ // done in d3.transition() of the end of this function
+ // exit
+ $$.xgridLines.exit().transition().duration(duration)
+ .style("opacity", 0)
+ .remove();
+
+ // Y-Grid
+ if (config.grid_y_show) {
+ $$.updateYGrid();
+ }
+ $$.ygridLines = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine)
+ .data(config.grid_y_lines);
+ // enter
+ ygridLine = $$.ygridLines.enter().append('g')
+ .attr("class", function (d) { return CLASS.ygridLine + (d['class'] ? ' ' + d['class'] : ''); });
+ ygridLine.append('line')
+ .style("opacity", 0);
+ ygridLine.append('text')
+ .attr("text-anchor", $$.gridTextAnchor)
+ .attr("transform", config.axis_rotated ? "rotate(-90)" : "")
+ .attr('dx', $$.gridTextDx)
+ .attr('dy', -5)
+ .style("opacity", 0);
+ // update
+ yv = $$.yv.bind($$);
+ $$.ygridLines.select('line')
+ .transition().duration(duration)
+ .attr("x1", config.axis_rotated ? yv : 0)
+ .attr("x2", config.axis_rotated ? yv : $$.width)
+ .attr("y1", config.axis_rotated ? 0 : yv)
+ .attr("y2", config.axis_rotated ? $$.height : yv)
+ .style("opacity", 1);
+ $$.ygridLines.select('text')
+ .transition().duration(duration)
+ .attr("x", config.axis_rotated ? $$.xGridTextX.bind($$) : $$.yGridTextX.bind($$))
+ .attr("y", yv)
+ .text(function (d) { return d.text; })
+ .style("opacity", 1);
+ // exit
+ $$.ygridLines.exit().transition().duration(duration)
+ .style("opacity", 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawGrid = function (withTransition) {
+ var $$ = this, config = $$.config, xv = $$.xv.bind($$),
+ lines = $$.xgridLines.select('line'),
+ texts = $$.xgridLines.select('text');
+ return [
+ (withTransition ? lines.transition() : lines)
+ .attr("x1", config.axis_rotated ? 0 : xv)
+ .attr("x2", config.axis_rotated ? $$.width : xv)
+ .attr("y1", config.axis_rotated ? xv : 0)
+ .attr("y2", config.axis_rotated ? xv : $$.height)
+ .style("opacity", 1),
+ (withTransition ? texts.transition() : texts)
+ .attr("x", config.axis_rotated ? $$.yGridTextX.bind($$) : $$.xGridTextX.bind($$))
+ .attr("y", xv)
+ .text(function (d) { return d.text; })
+ .style("opacity", 1)
+ ];
+ };
+ c3_chart_internal_fn.showXGridFocus = function (selectedData) {
+ var $$ = this, config = $$.config,
+ dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }),
+ focusEl = $$.main.selectAll('line.' + CLASS.xgridFocus),
+ xx = $$.xx.bind($$);
+ if (! config.tooltip_show) { return; }
+ // Hide when scatter plot exists
+ if ($$.hasType('scatter') || $$.hasArcType()) { return; }
+ focusEl
+ .style("visibility", "visible")
+ .data([dataToShow[0]])
+ .attr(config.axis_rotated ? 'y1' : 'x1', xx)
+ .attr(config.axis_rotated ? 'y2' : 'x2', xx);
+ $$.smoothLines(focusEl, 'grid');
+ };
+ c3_chart_internal_fn.hideXGridFocus = function () {
+ this.main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
+ };
+ c3_chart_internal_fn.updateXgridFocus = function () {
+ var $$ = this, config = $$.config;
+ $$.main.select('line.' + CLASS.xgridFocus)
+ .attr("x1", config.axis_rotated ? 0 : -10)
+ .attr("x2", config.axis_rotated ? $$.width : -10)
+ .attr("y1", config.axis_rotated ? -10 : 0)
+ .attr("y2", config.axis_rotated ? -10 : $$.height);
+ };
+ c3_chart_internal_fn.generateGridData = function (type, scale) {
+ var $$ = this,
+ gridData = [], xDomain, firstYear, lastYear, i,
+ tickNum = $$.main.select("." + CLASS.axisX).selectAll('.tick').size();
+ if (type === 'year') {
+ xDomain = $$.getXDomain();
+ firstYear = xDomain[0].getFullYear();
+ lastYear = xDomain[1].getFullYear();
+ for (i = firstYear; i <= lastYear; i++) {
+ gridData.push(new Date(i + '-01-01 00:00:00'));
+ }
+ } else {
+ gridData = scale.ticks(10);
+ if (gridData.length > tickNum) { // use only int
+ gridData = gridData.filter(function (d) { return ("" + d).indexOf('.') < 0; });
+ }
+ }
+ return gridData;
+ };
+ c3_chart_internal_fn.getGridFilterToRemove = function (params) {
+ return params ? function (line) {
+ var found = false;
+ [].concat(params).forEach(function (param) {
+ if ((('value' in param && line.value === param.value) || ('class' in param && line['class'] === param['class']))) {
+ found = true;
+ }
+ });
+ return found;
+ } : function () { return true; };
+ };
+ c3_chart_internal_fn.removeGridLines = function (params, forX) {
+ var $$ = this, config = $$.config,
+ toRemove = $$.getGridFilterToRemove(params),
+ toShow = function (line) { return !toRemove(line); },
+ classLines = forX ? CLASS.xgridLines : CLASS.ygridLines,
+ classLine = forX ? CLASS.xgridLine : CLASS.ygridLine;
+ $$.main.select('.' + classLines).selectAll('.' + classLine).filter(toRemove)
+ .transition().duration(config.transition_duration)
+ .style('opacity', 0).remove();
+ if (forX) {
+ config.grid_x_lines = config.grid_x_lines.filter(toShow);
+ } else {
+ config.grid_y_lines = config.grid_y_lines.filter(toShow);
+ }
+ };
+
+ c3_chart_internal_fn.initTooltip = function () {
+ var $$ = this, config = $$.config, i;
+ $$.tooltip = $$.selectChart
+ .style("position", "relative")
+ .append("div")
+ .attr('class', CLASS.tooltipContainer)
+ .style("position", "absolute")
+ .style("pointer-events", "none")
+ .style("display", "none");
+ // Show tooltip if needed
+ if (config.tooltip_init_show) {
+ if ($$.isTimeSeries() && isString(config.tooltip_init_x)) {
+ config.tooltip_init_x = $$.parseDate(config.tooltip_init_x);
+ for (i = 0; i < $$.data.targets[0].values.length; i++) {
+ if (($$.data.targets[0].values[i].x - config.tooltip_init_x) === 0) { break; }
+ }
+ config.tooltip_init_x = i;
+ }
+ $$.tooltip.html(config.tooltip_contents.call($$, $$.data.targets.map(function (d) {
+ return $$.addName(d.values[config.tooltip_init_x]);
+ }), $$.axis.getXAxisTickFormat(), $$.getYFormat($$.hasArcType()), $$.color));
+ $$.tooltip.style("top", config.tooltip_init_position.top)
+ .style("left", config.tooltip_init_position.left)
+ .style("display", "block");
+ }
+ };
+ c3_chart_internal_fn.getTooltipContent = function (d, defaultTitleFormat, defaultValueFormat, color) {
+ var $$ = this, config = $$.config,
+ titleFormat = config.tooltip_format_title || defaultTitleFormat,
+ nameFormat = config.tooltip_format_name || function (name) { return name; },
+ valueFormat = config.tooltip_format_value || defaultValueFormat,
+ text, i, title, value, name, bgcolor,
+ orderAsc = $$.isOrderAsc();
+
+ if (config.data_groups.length === 0) {
+ d.sort(function(a,b){
+ return typeof a === "undefined" || typeof b === "undefined" ? orderAsc ? a.value - b.value : b.value - a.value : 0;
+ });
+ } else {
+ var ids = $$.orderTargets($$.data.targets).map(function (i) {
+ return i.id;
+ });
+ d.sort(function(a, b) {
+ if (a.value > 0 && b.value > 0) {
+ return orderAsc ? ids.indexOf(a.id) - ids.indexOf(b.id) : ids.indexOf(b.id) - ids.indexOf(a.id);
+ } else {
+ return orderAsc ? a.value - b.value : b.value - a.value;
+ }
+ });
+ }
+
+ for (i = 0; i < d.length; i++) {
+ if (! (d[i] && (d[i].value || d[i].value === 0))) { continue; }
+
+ if (! text) {
+ title = titleFormat ? titleFormat(d[i].x) : d[i].x;
+ text = "<table class='" + $$.CLASS.tooltip + "'>" + (title || title === 0 ? "<tr><th colspan='2'>" + title + "</th></tr>" : "");
+ }
+
+ value = valueFormat(d[i].value, d[i].ratio, d[i].id, d[i].index);
+ if (value !== undefined) {
+ // Skip elements when their name is set to null
+ if (d[i].name === null) { continue; }
+ name = nameFormat(d[i].name, d[i].ratio, d[i].id, d[i].index);
+ bgcolor = $$.levelColor ? $$.levelColor(d[i].value) : color(d[i].id);
+
+ text += "<tr class='" + $$.CLASS.tooltipName + "-" + $$.getTargetSelectorSuffix(d[i].id) + "'>";
+ text += "<td class='name'><span style='background-color:" + bgcolor + "'></span>" + name + "</td>";
+ text += "<td class='value'>" + value + "</td>";
+ text += "</tr>";
+ }
+ }
+ return text + "</table>";
+ };
+ c3_chart_internal_fn.tooltipPosition = function (dataToShow, tWidth, tHeight, element) {
+ var $$ = this, config = $$.config, d3 = $$.d3;
+ var svgLeft, tooltipLeft, tooltipRight, tooltipTop, chartRight;
+ var forArc = $$.hasArcType(),
+ mouse = d3.mouse(element);
+ // Determin tooltip position
+ if (forArc) {
+ tooltipLeft = (($$.width - ($$.isLegendRight ? $$.getLegendWidth() : 0)) / 2) + mouse[0];
+ tooltipTop = ($$.height / 2) + mouse[1] + 20;
+ } else {
+ svgLeft = $$.getSvgLeft(true);
+ if (config.axis_rotated) {
+ tooltipLeft = svgLeft + mouse[0] + 100;
+ tooltipRight = tooltipLeft + tWidth;
+ chartRight = $$.currentWidth - $$.getCurrentPaddingRight();
+ tooltipTop = $$.x(dataToShow[0].x) + 20;
+ } else {
+ tooltipLeft = svgLeft + $$.getCurrentPaddingLeft(true) + $$.x(dataToShow[0].x) + 20;
+ tooltipRight = tooltipLeft + tWidth;
+ chartRight = svgLeft + $$.currentWidth - $$.getCurrentPaddingRight();
+ tooltipTop = mouse[1] + 15;
+ }
+
+ if (tooltipRight > chartRight) {
+ // 20 is needed for Firefox to keep tooltip width
+ tooltipLeft -= tooltipRight - chartRight + 20;
+ }
+ if (tooltipTop + tHeight > $$.currentHeight) {
+ tooltipTop -= tHeight + 30;
+ }
+ }
+ if (tooltipTop < 0) {
+ tooltipTop = 0;
+ }
+ return {top: tooltipTop, left: tooltipLeft};
+ };
+ c3_chart_internal_fn.showTooltip = function (selectedData, element) {
+ var $$ = this, config = $$.config;
+ var tWidth, tHeight, position;
+ var forArc = $$.hasArcType(),
+ dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }),
+ positionFunction = config.tooltip_position || c3_chart_internal_fn.tooltipPosition;
+ if (dataToShow.length === 0 || !config.tooltip_show) {
+ return;
+ }
+ $$.tooltip.html(config.tooltip_contents.call($$, selectedData, $$.axis.getXAxisTickFormat(), $$.getYFormat(forArc), $$.color)).style("display", "block");
+
+ // Get tooltip dimensions
+ tWidth = $$.tooltip.property('offsetWidth');
+ tHeight = $$.tooltip.property('offsetHeight');
+
+ position = positionFunction.call(this, dataToShow, tWidth, tHeight, element);
+ // Set tooltip
+ $$.tooltip
+ .style("top", position.top + "px")
+ .style("left", position.left + 'px');
+ };
+ c3_chart_internal_fn.hideTooltip = function () {
+ this.tooltip.style("display", "none");
+ };
+
+ c3_chart_internal_fn.initLegend = function () {
+ var $$ = this;
+ $$.legendItemTextBox = {};
+ $$.legendHasRendered = false;
+ $$.legend = $$.svg.append("g").attr("transform", $$.getTranslate('legend'));
+ if (!$$.config.legend_show) {
+ $$.legend.style('visibility', 'hidden');
+ $$.hiddenLegendIds = $$.mapToIds($$.data.targets);
+ return;
+ }
+ // MEMO: call here to update legend box and tranlate for all
+ // MEMO: translate will be upated by this, so transform not needed in updateLegend()
+ $$.updateLegendWithDefaults();
+ };
+ c3_chart_internal_fn.updateLegendWithDefaults = function () {
+ var $$ = this;
+ $$.updateLegend($$.mapToIds($$.data.targets), {withTransform: false, withTransitionForTransform: false, withTransition: false});
+ };
+ c3_chart_internal_fn.updateSizeForLegend = function (legendHeight, legendWidth) {
+ var $$ = this, config = $$.config, insetLegendPosition = {
+ top: $$.isLegendTop ? $$.getCurrentPaddingTop() + (config.legend_inset_y + 5.5) * config.completeScale : $$.currentHeight - legendHeight - $$.getCurrentPaddingBottom() - config.legend_inset_y * config.completeScale,
+ left: $$.isLegendLeft ? $$.getCurrentPaddingLeft() + (config.legend_inset_x + 0.5) * config.completeScale : $$.currentWidth - legendWidth - $$.getCurrentPaddingRight() - (config.legend_inset_x + 0.5) * config.completeScale
+ };
+
+ $$.margin3 = {
+ top: ($$.isLegendRight ? 0 : $$.isLegendInset ? insetLegendPosition.top : $$.currentHeight - legendHeight + 6 * config.completeScale),
+ right: NaN,
+ bottom: 0,
+ left: $$.isLegendRight ? $$.currentWidth - legendWidth : $$.isLegendInset ? insetLegendPosition.left : 0
+ };
+ };
+ c3_chart_internal_fn.transformLegend = function (withTransition) {
+ var $$ = this;
+ (withTransition ? $$.legend.transition() : $$.legend).attr("transform", $$.getTranslate('legend'));
+ };
+ c3_chart_internal_fn.updateLegendStep = function (step) {
+ this.legendStep = step;
+ };
+ c3_chart_internal_fn.updateLegendItemWidth = function (w) {
+ this.legendItemWidth = w;
+ };
+ c3_chart_internal_fn.updateLegendItemHeight = function (h) {
+ this.legendItemHeight = h;
+ };
+ c3_chart_internal_fn.getLegendWidth = function () {
+ var $$ = this;
+ return $$.config.legend_show ? $$.isLegendRight || $$.isLegendInset ? $$.legendItemWidth * ($$.legendStep + 1) : $$.currentWidth : 0;
+ };
+ c3_chart_internal_fn.getLegendHeight = function () {
+ var $$ = this, h = 0;
+ if ($$.config.legend_show) {
+ if ($$.isLegendRight) {
+ h = $$.currentHeight;
+ } else {
+ h = $$.legendItemHeight * ($$.legendStep + 1)
+ }
+ }
+ return h;
+ };
+ c3_chart_internal_fn.opacityForLegend = function (legendItem) {
+ return legendItem.classed(CLASS.legendItemHidden) ? null : 1;
+ };
+ c3_chart_internal_fn.opacityForUnfocusedLegend = function (legendItem) {
+ return legendItem.classed(CLASS.legendItemHidden) ? null : 0.3;
+ };
+ c3_chart_internal_fn.toggleFocusLegend = function (targetIds, focus) {
+ var $$ = this;
+ targetIds = $$.mapToTargetIds(targetIds);
+ $$.legend.selectAll('.' + CLASS.legendItem)
+ .filter(function (id) { return targetIds.indexOf(id) >= 0; })
+ .classed(CLASS.legendItemFocused, focus)
+ .transition().duration(100)
+ .style('opacity', function () {
+ var opacity = focus ? $$.opacityForLegend : $$.opacityForUnfocusedLegend;
+ return opacity.call($$, $$.d3.select(this));
+ });
+ };
+ c3_chart_internal_fn.revertLegend = function () {
+ var $$ = this, d3 = $$.d3;
+ $$.legend.selectAll('.' + CLASS.legendItem)
+ .classed(CLASS.legendItemFocused, false)
+ .transition().duration(100)
+ .style('opacity', function () { return $$.opacityForLegend(d3.select(this)); });
+ };
+ c3_chart_internal_fn.showLegend = function (targetIds) {
+ var $$ = this, config = $$.config;
+ if (!config.legend_show) {
+ config.legend_show = true;
+ $$.legend.style('visibility', 'visible');
+ if (!$$.legendHasRendered) {
+ $$.updateLegendWithDefaults();
+ }
+ }
+ $$.removeHiddenLegendIds(targetIds);
+ $$.legend.selectAll($$.selectorLegends(targetIds))
+ .style('visibility', 'visible')
+ .transition()
+ .style('opacity', function () { return $$.opacityForLegend($$.d3.select(this)); });
+ };
+ c3_chart_internal_fn.hideLegend = function (targetIds) {
+ var $$ = this, config = $$.config;
+ if (config.legend_show && isEmpty(targetIds)) {
+ config.legend_show = false;
+ $$.legend.style('visibility', 'hidden');
+ }
+ $$.addHiddenLegendIds(targetIds);
+ $$.legend.selectAll($$.selectorLegends(targetIds))
+ .style('opacity', 0)
+ .style('visibility', 'hidden');
+ };
+ c3_chart_internal_fn.clearLegendItemTextBoxCache = function () {
+ this.legendItemTextBox = {};
+ };
+ c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) {
+ var $$ = this, config = $$.config;
+ var xForLegend, xForLegendText, xForLegendRect, yForLegend, yForLegendText, yForLegendRect, x1ForLegendTile, x2ForLegendTile, yForLegendTile;
+ var paddingTop = config.completeScale*2, paddingRight = config.completeScale*3, maxWidth = 0, maxHeight = 0, posMin = $$.isLegendInset ? config.legend_inset_step ? config.completeScale*3 : 0 : config.completeScale*10, tileWidth = config.completeScale*(config.legend_item_tile_width + 5);
+ var l, totalLength = 0, offsets = {}, widths = {}, heights = {}, margins = [0], steps = {}, step = 0;
+ var withTransition, withTransitionForTransform;
+ var texts, rects, tiles, background;
+
+ // Skip elements when their name is set to null
+ targetIds = targetIds.filter(function(id) {
+ return !isDefined(config.data_names[id]) || config.data_names[id] !== null;
+ });
+
+ options = options || {};
+ withTransition = getOption(options, "withTransition", true);
+ withTransitionForTransform = getOption(options, "withTransitionForTransform", true);
+
+ function getTextBox(textElement, id) {
+ if (!$$.legendItemTextBox[id]) {
+ $$.legendItemTextBox[id] = $$.getTextRect(textElement.textContent, CLASS.legendItem, textElement);
+ }
+ return $$.legendItemTextBox[id];
+ }
+
+ function updatePositions(textElement, id, index) {
+ var reset = index === 0, isLast = index === targetIds.length - 1,
+ box = getTextBox(textElement, id),
+ itemWidth = box.width + tileWidth + (isLast && !($$.isLegendRight || $$.isLegendInset) ? 0 : paddingRight) + config.legend_padding,
+ itemHeight = box.height + paddingTop,
+ itemLength = $$.isLegendRight || $$.isLegendInset ? itemHeight : itemWidth,
+ areaLength = $$.isLegendRight || $$.isLegendInset ? $$.getLegendHeight() : $$.getLegendWidth(),
+ margin, maxLength;
+
+ // MEMO: care about condifion of step, totalLength
+ function updateValues(id, withoutStep) {
+ if (!withoutStep) {
+ margin = (areaLength - totalLength - itemLength) / 2;
+ if (margin < posMin) {
+ margin = (areaLength - itemLength) / 2;
+ totalLength = 0;
+ step++;
+ }
+ }
+ steps[id] = step;
+ margins[step] = $$.isLegendInset ? 10 * $$.config.completeScale : margin;
+ offsets[id] = totalLength;
+ totalLength += itemLength;
+ }
+
+ if (reset) {
+ totalLength = 0;
+ step = 0;
+ maxWidth = 0;
+ maxHeight = 0;
+ }
+
+ if (config.legend_show && !$$.isLegendToShow(id)) {
+ widths[id] = heights[id] = steps[id] = offsets[id] = 0;
+ return;
+ }
+
+ widths[id] = itemWidth;
+ heights[id] = itemHeight;
+
+ if (!maxWidth || itemWidth >= maxWidth) { maxWidth = itemWidth; }
+ if (!maxHeight || itemHeight >= maxHeight) { maxHeight = itemHeight; }
+ maxLength = $$.isLegendRight || $$.isLegendInset ? maxHeight : maxWidth;
+
+ if (config.legend_equally) {
+ Object.keys(widths).forEach(function (id) { widths[id] = maxWidth; });
+ Object.keys(heights).forEach(function (id) { heights[id] = maxHeight; });
+ margin = (areaLength - maxLength * targetIds.length) / 2;
+ if (margin < posMin) {
+ totalLength = 0;
+ step = 0;
+ targetIds.forEach(function (id) { updateValues(id); });
+ }
+ else {
+ updateValues(id, true);
+ }
+ } else {
+ updateValues(id);
+ }
+ }
+
+ if ($$.isLegendInset) {
+ step = config.legend_inset_step ? config.legend_inset_step : targetIds.length;
+ $$.updateLegendStep(step);
+ }
+
+ if ($$.isLegendRight) {
+ xForLegend = function (id) { return maxWidth * steps[id]; };
+ yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
+ } else if ($$.isLegendInset) {
+ xForLegend = function (id) { return maxWidth * steps[id] + 10 * config.completeScale; };
+ yForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
+ } else {
+ xForLegend = function (id) { return margins[steps[id]] + offsets[id]; };
+ yForLegend = function (id) { return maxHeight * steps[id]; };
+ }
+ xForLegendText = function (id, i) { return xForLegend(id, i) + (config.legend_item_tile_width) * config.completeScale; };
+ yForLegendText = function (id, i) { return yForLegend(id, i) + 9 * config.completeScale; };
+ xForLegendRect = function (id, i) { return xForLegend(id, i); };
+ yForLegendRect = function (id, i) { return yForLegend(id, i) - 5 * config.completeScale; };
+ x1ForLegendTile = function (id, i) { return xForLegend(id, i) - 2 * config.completeScale; };
+ x2ForLegendTile = function (id, i) { return xForLegend(id, i) - 2 * config.completeScale + config.legend_item_tile_width * config.completeScale; };
+ yForLegendTile = function (id, i) { return yForLegend(id, i) + 4 * config.completeScale; };
+
+ // Define g for legend area
+ l = $$.legend.selectAll('.' + CLASS.legendItem)
+ .data(targetIds)
+ .enter().append('g')
+ .attr('class', function (id) { return $$.generateClass(CLASS.legendItem, id); })
+ .style('visibility', function (id) { return $$.isLegendToShow(id) ? 'visible' : 'hidden'; })
+ .style('cursor', 'pointer')
+ .on('click', function (id) {
+ if (config.legend_item_onclick) {
+ config.legend_item_onclick.call($$, id);
+ } else {
+ if ($$.d3.event.altKey) {
+ $$.api.hide();
+ $$.api.show(id);
+ } else {
+ $$.api.toggle(id);
+ $$.isTargetToShow(id) ? $$.api.focus(id) : $$.api.revert();
+ }
+ }
+ })
+ .on('mouseover', function (id) {
+ if (config.legend_item_onmouseover) {
+ config.legend_item_onmouseover.call($$, id);
+ }
+ else {
+ $$.d3.select(this).classed(CLASS.legendItemFocused, true);
+ if (!$$.transiting && $$.isTargetToShow(id)) {
+ $$.api.focus(id);
+ }
+ }
+ })
+ .on('mouseout', function (id) {
+ if (config.legend_item_onmouseout) {
+ config.legend_item_onmouseout.call($$, id);
+ }
+ else {
+ $$.d3.select(this).classed(CLASS.legendItemFocused, false);
+ $$.api.revert();
+ }
+ });
+ l.append('text')
+ .text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; })
+ .each(function (id, i) { updatePositions(this, id, i); $$.updateLegendItemWidth(maxWidth); $$.updateLegendItemHeight(maxHeight); })
+ .style("pointer-events", "none")
+ .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200)
+ .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendText);
+ l.append('rect')
+ .attr("class", CLASS.legendItemEvent)
+ .style('fill-opacity', 0)
+ .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendRect : -200 * config.completeScale)
+ .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 * config.completeScale : yForLegendRect);
+ l.append('line')
+ .attr('class', CLASS.legendItemTile)
+ .style('stroke', $$.color)
+ .style("pointer-events", "none")
+ .attr('x1', $$.isLegendRight || $$.isLegendInset ? x1ForLegendTile : -200 * config.completeScale)
+ .attr('y1', $$.isLegendRight || $$.isLegendInset ? -200 * config.completeScale : yForLegendTile)
+ .attr('x2', $$.isLegendRight || $$.isLegendInset ? x2ForLegendTile : -200 * config.completeScale)
+ .attr('y2', $$.isLegendRight || $$.isLegendInset ? -200 * config.completeScale : yForLegendTile)
+ .attr('stroke-width', config.legend_item_tile_height * config.completeScale);
+
+ // Set background for inset legend
+ background = $$.legend.select('.' + CLASS.legendBackground + ' rect');
+ if ($$.isLegendInset && maxWidth > 0 && background.size() === 0) {
+ background = $$.legend.insert('g', '.' + CLASS.legendItem)
+ .attr("class", CLASS.legendBackground)
+ .append('rect');
+ }
+
+ texts = $$.legend.selectAll('text')
+ .data(targetIds)
+ .text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; }) // MEMO: needed for update
+ .each(function (id, i) { updatePositions(this, id, i); });
+ (withTransition ? texts.transition() : texts)
+ .attr('x', xForLegendText)
+ .attr('y', yForLegendText);
+
+ rects = $$.legend.selectAll('rect.' + CLASS.legendItemEvent)
+ .data(targetIds);
+ (withTransition ? rects.transition() : rects)
+ .attr('width', function (id) { return widths[id]; })
+ .attr('height', function (id) { return heights[id]; })
+ .attr('x', xForLegendRect)
+ .attr('y', yForLegendRect);
+
+ tiles = $$.legend.selectAll('line.' + CLASS.legendItemTile)
+ .data(targetIds);
+ (withTransition ? tiles.transition() : tiles)
+ .style('stroke', $$.color)
+ .attr('x1', x1ForLegendTile)
+ .attr('y1', yForLegendTile)
+ .attr('x2', x2ForLegendTile)
+ .attr('y2', yForLegendTile);
+
+ if (background) {
+ (withTransition ? background.transition() : background)
+ .attr('height', $$.getLegendHeight() - 12 * config.completeScale)
+ .attr('width', maxWidth * (step + 1) + 10 * config.completeScale);
+ }
+
+ // toggle legend state
+ $$.legend.selectAll('.' + CLASS.legendItem)
+ .classed(CLASS.legendItemHidden, function (id) { return !$$.isTargetToShow(id); });
+
+ // Update all to reflect change of legend
+ $$.updateLegendItemWidth(maxWidth);
+ $$.updateLegendItemHeight(maxHeight);
+ $$.updateLegendStep(step);
+ // Update size and scale
+ $$.updateSizes();
+ $$.updateScales();
+ $$.updateSvgSize();
+ // Update g positions
+ $$.transformAll(withTransitionForTransform, transitions);
+ $$.legendHasRendered = true;
+ };
+
+ c3_chart_internal_fn.initTitle = function () {
+ var $$ = this;
+ $$.title = $$.svg.append("text")
+ .text($$.config.title_text)
+ .attr("class", $$.CLASS.title);
+ };
+ c3_chart_internal_fn.redrawTitle = function () {
+ var $$ = this;
+ $$.title
+ .attr("x", $$.xForTitle.bind($$))
+ .attr("y", $$.yForTitle.bind($$));
+ };
+ c3_chart_internal_fn.xForTitle = function () {
+ var $$ = this, config = $$.config, position = config.title_position || 'left', x;
+ if (position.indexOf('right') >= 0) {
+ x = $$.currentWidth - $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width - config.title_padding.right;
+ } else if (position.indexOf('center') >= 0) {
+ x = ($$.currentWidth - $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width) / 2;
+ } else { // left
+ x = config.title_padding.left;
+ }
+ return x;
+ };
+ c3_chart_internal_fn.yForTitle = function () {
+ var $$ = this;
+ return $$.config.title_padding.top + $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).height;
+ };
+ c3_chart_internal_fn.getTitlePadding = function() {
+ var $$ = this;
+ return $$.yForTitle() + $$.config.title_padding.bottom;
+ };
+
+ function Axis(owner) {
+ API.call(this, owner);
+ }
+
+ inherit(API, Axis);
+
+ Axis.prototype.init = function init() {
+
+ var $$ = this.owner, config = $$.config, main = $$.main;
+ $$.axes.x = main.append("g")
+ .attr("class", CLASS.axis + ' ' + CLASS.axisX)
+ .attr("clip-path", $$.clipPathForXAxis)
+ .attr("transform", $$.getTranslate('x'))
+ .style("visibility", config.axis_x_show ? 'visible' : 'hidden');
+ $$.axes.x.append("text")
+ .attr("class", CLASS.axisXLabel)
+ .attr("transform", config.axis_rotated ? "rotate(-90)" : "")
+ .style("text-anchor", this.textAnchorForXAxisLabel.bind(this));
+ $$.axes.y = main.append("g")
+ .attr("class", CLASS.axis + ' ' + CLASS.axisY)
+ .attr("clip-path", config.axis_y_inner ? "" : $$.clipPathForYAxis)
+ .attr("transform", $$.getTranslate('y'))
+ .style("visibility", config.axis_y_show ? 'visible' : 'hidden');
+ $$.axes.y.append("text")
+ .attr("class", CLASS.axisYLabel)
+ .attr("transform", config.axis_rotated ? "" : "rotate(-90)")
+ .style("text-anchor", this.textAnchorForYAxisLabel.bind(this));
+
+ $$.axes.y2 = main.append("g")
+ .attr("class", CLASS.axis + ' ' + CLASS.axisY2)
+ // clip-path?
+ .attr("transform", $$.getTranslate('y2'))
+ .style("visibility", config.axis_y2_show ? 'visible' : 'hidden');
+ $$.axes.y2.append("text")
+ .attr("class", CLASS.axisY2Label)
+ .attr("transform", config.axis_rotated ? "" : "rotate(-90)")
+ .style("text-anchor", this.textAnchorForY2AxisLabel.bind(this));
+ };
+ Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
+ var $$ = this.owner, config = $$.config,
+ axisParams = {
+ isCategory: $$.isCategorized(),
+ withOuterTick: withOuterTick,
+ tickMultiline: config.axis_x_tick_multiline,
+ tickWidth: config.axis_x_tick_width,
+ tickTextRotate: withoutRotateTickText ? 0 : config.axis_x_tick_rotate,
+ withoutTransition: withoutTransition,
+ },
+ axis = c3_axis($$.d3, axisParams, $$).scale(scale).orient(orient);
+
+ if ($$.isTimeSeries() && tickValues && typeof tickValues !== "function") {
+ tickValues = tickValues.map(function (v) { return $$.parseDate(v); });
+ }
+
+ // Set tick
+ axis.tickFormat(tickFormat).tickValues(tickValues);
+ if ($$.isCategorized()) {
+ axis.tickCentered(config.axis_x_tick_centered);
+ if (isEmpty(config.axis_x_tick_culling)) {
+ config.axis_x_tick_culling = false;
+ }
+ }
+
+ return axis;
+ };
+ Axis.prototype.updateXAxisTickValues = function updateXAxisTickValues(targets, axis) {
+ var $$ = this.owner, config = $$.config, tickValues;
+ if (config.axis_x_tick_fit || config.axis_x_tick_count) {
+ tickValues = this.generateTickValues($$.mapTargetsToUniqueXs(targets), config.axis_x_tick_count, $$.isTimeSeries());
+ }
+ if (axis) {
+ axis.tickValues(tickValues);
+ } else {
+ $$.xAxis.tickValues(tickValues);
+ $$.subXAxis.tickValues(tickValues);
+ }
+ return tickValues;
+ };
+ Axis.prototype.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition) {
+ var axisParams = {
+ withOuterTick: withOuterTick,
+ withoutTransition: withoutTransition,
+ },
+ $$ = this.owner,
+ d3 = $$.d3,
+ config = $$.config,
+ axis = c3_axis(d3, axisParams, $$).scale(scale).orient(orient).tickFormat(tickFormat);
+
+ if ($$.isTimeSeriesY()) {
+ axis.ticks(d3.time[config.axis_y_tick_time_value], config.axis_y_tick_time_interval);
+ } else {
+ axis.tickValues(tickValues);
+ }
+ return axis;
+ };
+ Axis.prototype.getId = function getId(id) {
+ var config = this.owner.config;
+ return id in config.data_axes ? config.data_axes[id] : 'y';
+ };
+ Axis.prototype.getXAxisTickFormat = function getXAxisTickFormat() {
+ var $$ = this.owner, config = $$.config,
+ format = $$.isTimeSeries() ? $$.defaultAxisTimeFormat : $$.isCategorized() ? $$.categoryName : function (v) { return parseFloat(v.toFixed(10)); };
+ if (config.axis_x_tick_format) {
+ if (isFunction(config.axis_x_tick_format)) {
+ format = config.axis_x_tick_format;
+ } else if ($$.isTimeSeries()) {
+ format = function (date) {
+ return date ? $$.axisTimeFormat(config.axis_x_tick_format)(date) : "";
+ };
+ }
+ }
+ return isFunction(format) ? function (v) { return format.call($$, v); } : format;
+ };
+ Axis.prototype.getTickValues = function getTickValues(tickValues, axis) {
+ return tickValues ? tickValues : axis ? axis.tickValues() : undefined;
+ };
+ Axis.prototype.getXAxisTickValues = function getXAxisTickValues() {
+ return this.getTickValues(this.owner.config.axis_x_tick_values, this.owner.xAxis);
+ };
+ Axis.prototype.getYAxisTickValues = function getYAxisTickValues() {
+ return this.getTickValues(this.owner.config.axis_y_tick_values, this.owner.yAxis);
+ };
+ Axis.prototype.getY2AxisTickValues = function getY2AxisTickValues() {
+ return this.getTickValues(this.owner.config.axis_y2_tick_values, this.owner.y2Axis);
+ };
+ Axis.prototype.getLabelOptionByAxisId = function getLabelOptionByAxisId(axisId) {
+ var $$ = this.owner, config = $$.config, option;
+ if (axisId === 'y') {
+ option = config.axis_y_label;
+ } else if (axisId === 'y2') {
+ option = config.axis_y2_label;
+ } else if (axisId === 'x') {
+ option = config.axis_x_label;
+ }
+ return option;
+ };
+ Axis.prototype.getLabelText = function getLabelText(axisId) {
+ var option = this.getLabelOptionByAxisId(axisId);
+ return isString(option) ? option : option ? option.text : null;
+ };
+ Axis.prototype.setLabelText = function setLabelText(axisId, text) {
+ var $$ = this.owner, config = $$.config,
+ option = this.getLabelOptionByAxisId(axisId);
+ if (isString(option)) {
+ if (axisId === 'y') {
+ config.axis_y_label = text;
+ } else if (axisId === 'y2') {
+ config.axis_y2_label = text;
+ } else if (axisId === 'x') {
+ config.axis_x_label = text;
+ }
+ } else if (option) {
+ option.text = text;
+ }
+ };
+ Axis.prototype.getLabelPosition = function getLabelPosition(axisId, defaultPosition) {
+ var option = this.getLabelOptionByAxisId(axisId),
+ position = (option && typeof option === 'object' && option.position) ? option.position : defaultPosition;
+ return {
+ isInner: position.indexOf('inner') >= 0,
+ isOuter: position.indexOf('outer') >= 0,
+ isLeft: position.indexOf('left') >= 0,
+ isCenter: position.indexOf('center') >= 0,
+ isRight: position.indexOf('right') >= 0,
+ isTop: position.indexOf('top') >= 0,
+ isMiddle: position.indexOf('middle') >= 0,
+ isBottom: position.indexOf('bottom') >= 0
+ };
+ };
+ Axis.prototype.getXAxisLabelPosition = function getXAxisLabelPosition() {
+ return this.getLabelPosition('x', this.owner.config.axis_rotated ? 'inner-top' : 'inner-right');
+ };
+ Axis.prototype.getYAxisLabelPosition = function getYAxisLabelPosition() {
+ return this.getLabelPosition('y', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');
+ };
+ Axis.prototype.getY2AxisLabelPosition = function getY2AxisLabelPosition() {
+ return this.getLabelPosition('y2', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top');
+ };
+ Axis.prototype.getLabelPositionById = function getLabelPositionById(id) {
+ return id === 'y2' ? this.getY2AxisLabelPosition() : id === 'y' ? this.getYAxisLabelPosition() : this.getXAxisLabelPosition();
+ };
+ Axis.prototype.textForXAxisLabel = function textForXAxisLabel() {
+ return this.getLabelText('x');
+ };
+ Axis.prototype.textForYAxisLabel = function textForYAxisLabel() {
+ return this.getLabelText('y');
+ };
+ Axis.prototype.textForY2AxisLabel = function textForY2AxisLabel() {
+ return this.getLabelText('y2');
+ };
+ Axis.prototype.xForAxisLabel = function xForAxisLabel(forHorizontal, position) {
+ var $$ = this.owner;
+ if (forHorizontal) {
+ return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width;
+ } else {
+ return position.isBottom ? -$$.height : position.isMiddle ? -$$.height / 2 : 0;
+ }
+ };
+ Axis.prototype.dxForAxisLabel = function dxForAxisLabel(forHorizontal, position) {
+ if (forHorizontal) {
+ return position.isLeft ? "1.3em" : position.isRight ? "-0.3em" : "0";
+ } else {
+ return position.isTop ? "0.0em" : position.isBottom ? "1.0em" : "0";
+ }
+ };
+ Axis.prototype.textAnchorForAxisLabel = function textAnchorForAxisLabel(forHorizontal, position) {
+ if (forHorizontal) {
+ return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end';
+ } else {
+ return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end';
+ }
+ };
+ Axis.prototype.xForXAxisLabel = function xForXAxisLabel() {
+ return this.xForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());
+ };
+ Axis.prototype.xForYAxisLabel = function xForYAxisLabel() {
+ return this.xForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());
+ };
+ Axis.prototype.xForY2AxisLabel = function xForY2AxisLabel() {
+ return this.xForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());
+ };
+ Axis.prototype.dxForXAxisLabel = function dxForXAxisLabel() {
+ return this.dxForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition());
+ };
+ Axis.prototype.dxForYAxisLabel = function dxForYAxisLabel() {
+ return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition());
+ };
+ Axis.prototype.dxForY2AxisLabel = function dxForY2AxisLabel() {
+ return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition());
+ };
+ Axis.prototype.dyForXAxisLabel = function dyForXAxisLabel() {
+ var $$ = this.owner, config = $$.config,
+ position = this.getXAxisLabelPosition();
+ if (config.axis_rotated) {
+ return position.isInner ? "1.0em" : -25*$$.config.completeScale - this.getMaxTickWidth('x');
+ } else {
+ return position.isInner ? "-0.3em" : config.axis_x_height ? config.axis_x_height - 10*$$.config.completeScale : "2.1em";
+ }
+ };
+ Axis.prototype.dyForYAxisLabel = function dyForYAxisLabel() {
+ var $$ = this.owner,
+ position = this.getYAxisLabelPosition();
+ if ($$.config.axis_rotated) {
+ return position.isInner ? "-0.3em" : "3em";
+ } else {
+ return position.isInner ? "1.0em" : -13*$$.config.completeScale - ($$.config.axis_y_inner ? 0 : (this.getMaxTickWidth('y')));
+ }
+ };
+ Axis.prototype.dyForY2AxisLabel = function dyForY2AxisLabel() {
+ var $$ = this.owner,
+ position = this.getY2AxisLabelPosition();
+ if ($$.config.axis_rotated) {
+ return position.isInner ? "1.0em" : "-2.2em";
+ } else {
+ return position.isInner ? "-0.3em" : 13*$$.config.completeScale + ($$.config.axis_y2_inner ? 0 : (this.getMaxTickWidth('y2')));
+ }
+ };
+ Axis.prototype.textAnchorForXAxisLabel = function textAnchorForXAxisLabel() {
+ var $$ = this.owner;
+ return this.textAnchorForAxisLabel(!$$.config.axis_rotated, this.getXAxisLabelPosition());
+ };
+ Axis.prototype.textAnchorForYAxisLabel = function textAnchorForYAxisLabel() {
+ var $$ = this.owner;
+ return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getYAxisLabelPosition());
+ };
+ Axis.prototype.textAnchorForY2AxisLabel = function textAnchorForY2AxisLabel() {
+ var $$ = this.owner;
+ return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getY2AxisLabelPosition());
+ };
+ Axis.prototype.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute) {
+ var $$ = this.owner, config = $$.config,
+ maxWidth = 0, targetsToShow, scale, axis, dummy, svg;
+ if (withoutRecompute && $$.currentMaxTickWidths[id]) {
+ return $$.currentMaxTickWidths[id];
+ }
+ if ($$.svg) {
+ targetsToShow = $$.filterTargetsToShow($$.data.targets);
+ if (id === 'y') {
+ scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y'));
+ axis = this.getYAxis(scale, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, false, true);
+ } else if (id === 'y2') {
+ scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2'));
+ axis = this.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, false, true);
+ } else {
+ scale = $$.x.copy().domain($$.getXDomain(targetsToShow));
+ axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, false, true, true);
+ this.updateXAxisTickValues(targetsToShow, axis);
+ }
+ dummy = $$.d3.select('body').append('div').classed('c3', true);
+ svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0).style('font-size', $(config.bindto.parentElement).css('font-size')).style('font-family', $(config.bindto.parentElement).css('font-family')),
+ svg.append('g').call(axis).each(function () {
+ $$.d3.select(this).selectAll('text').each(function () {
+ var box = this.getBoundingClientRect();
+ if (maxWidth < box.width) { maxWidth = box.width; }
+ });
+ dummy.remove();
+ });
+ }
+ $$.currentMaxTickWidths[id] = maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth;
+ return $$.currentMaxTickWidths[id];
+ };
+
+ Axis.prototype.updateLabels = function updateLabels(withTransition) {
+ var $$ = this.owner;
+ var axisXLabel = $$.main.select('.' + CLASS.axisX + ' .' + CLASS.axisXLabel),
+ axisYLabel = $$.main.select('.' + CLASS.axisY + ' .' + CLASS.axisYLabel),
+ axisY2Label = $$.main.select('.' + CLASS.axisY2 + ' .' + CLASS.axisY2Label);
+ (withTransition ? axisXLabel.transition() : axisXLabel)
+ .attr("x", this.xForXAxisLabel.bind(this))
+ .attr("dx", this.dxForXAxisLabel.bind(this))
+ .attr("dy", this.dyForXAxisLabel.bind(this))
+ .text(this.textForXAxisLabel.bind(this));
+ (withTransition ? axisYLabel.transition() : axisYLabel)
+ .attr("x", this.xForYAxisLabel.bind(this))
+ .attr("dx", this.dxForYAxisLabel.bind(this))
+ .attr("dy", this.dyForYAxisLabel.bind(this))
+ .text(this.textForYAxisLabel.bind(this));
+ (withTransition ? axisY2Label.transition() : axisY2Label)
+ .attr("x", this.xForY2AxisLabel.bind(this))
+ .attr("dx", this.dxForY2AxisLabel.bind(this))
+ .attr("dy", this.dyForY2AxisLabel.bind(this))
+ .text(this.textForY2AxisLabel.bind(this));
+ };
+ Axis.prototype.getPadding = function getPadding(padding, key, defaultValue, domainLength) {
+ var p = typeof padding === 'number' ? padding : padding[key];
+ if (!isValue(p)) {
+ return defaultValue;
+ }
+ if (padding.unit === 'ratio') {
+ return padding[key] * domainLength;
+ }
+ // assume padding is pixels if unit is not specified
+ return this.convertPixelsToAxisPadding(p, domainLength);
+ };
+ Axis.prototype.convertPixelsToAxisPadding = function convertPixelsToAxisPadding(pixels, domainLength) {
+ var $$ = this.owner,
+ length = $$.config.axis_rotated ? $$.width : $$.height;
+ return domainLength * (pixels / length);
+ };
+ Axis.prototype.generateTickValues = function generateTickValues(values, tickCount, forTimeSeries) {
+ var tickValues = values, targetCount, start, end, count, interval, i, tickValue;
+ if (tickCount) {
+ targetCount = isFunction(tickCount) ? tickCount() : tickCount;
+ // compute ticks according to tickCount
+ if (targetCount === 1) {
+ tickValues = [values[0]];
+ } else if (targetCount === 2) {
+ tickValues = [values[0], values[values.length - 1]];
+ } else if (targetCount > 2) {
+ count = targetCount - 2;
+ start = values[0];
+ end = values[values.length - 1];
+ interval = (end - start) / (count + 1);
+ // re-construct unique values
+ tickValues = [start];
+ for (i = 0; i < count; i++) {
+ tickValue = +start + interval * (i + 1);
+ tickValues.push(forTimeSeries ? new Date(tickValue) : tickValue);
+ }
+ tickValues.push(end);
+ }
+ }
+ if (!forTimeSeries) { tickValues = tickValues.sort(function (a, b) { return a - b; }); }
+ return tickValues;
+ };
+ Axis.prototype.generateTransitions = function generateTransitions(duration) {
+ var $$ = this.owner, axes = $$.axes;
+ return {
+ axisX: duration ? axes.x.transition().duration(duration) : axes.x,
+ axisY: duration ? axes.y.transition().duration(duration) : axes.y,
+ axisY2: duration ? axes.y2.transition().duration(duration) : axes.y2,
+ axisSubX: duration ? axes.subx.transition().duration(duration) : axes.subx
+ };
+ };
+ Axis.prototype.redraw = function redraw(transitions, isHidden) {
+ var $$ = this.owner;
+ $$.axes.x.style("opacity", isHidden ? 0 : 1);
+ $$.axes.y.style("opacity", isHidden ? 0 : 1);
+ $$.axes.y2.style("opacity", isHidden ? 0 : 1);
+ $$.axes.subx.style("opacity", isHidden ? 0 : 1);
+ transitions.axisX.call($$.xAxis);
+ transitions.axisY.call($$.yAxis);
+ transitions.axisY2.call($$.y2Axis);
+ transitions.axisSubX.call($$.subXAxis);
+ };
+
+ c3_chart_internal_fn.getClipPath = function (id) {
+ var isIE9 = window.navigator.appVersion.toLowerCase().indexOf("msie 9.") >= 0;
+ return "url(" + (isIE9 ? "" : document.URL.split('#')[0]) + "#" + id + ")";
+ };
+ c3_chart_internal_fn.appendClip = function (parent, id) {
+ return parent.append("clipPath").attr("id", id).append("rect");
+ };
+ c3_chart_internal_fn.getAxisClipX = function (forHorizontal) {
+ // axis line width + padding for left
+ var left = Math.max(40, this.margin.left);
+ return (forHorizontal ? -(1 + left) : -(left - 1));
+ };
+ c3_chart_internal_fn.getAxisClipY = function (forHorizontal) {
+ return (forHorizontal ? -10 : -this.margin.top);
+ };
+ c3_chart_internal_fn.getXAxisClipX = function () {
+ var $$ = this;
+ return $$.getAxisClipX(!$$.config.axis_rotated);
+ };
+ c3_chart_internal_fn.getXAxisClipY = function () {
+ var $$ = this;
+ return $$.getAxisClipY(!$$.config.axis_rotated) - this.config.completeScale*10;
+ };
+ c3_chart_internal_fn.getYAxisClipX = function () {
+ var $$ = this;
+ return $$.config.axis_y_inner ? -1 : $$.getAxisClipX($$.config.axis_rotated);
+ };
+ c3_chart_internal_fn.getYAxisClipY = function () {
+ var $$ = this;
+ return $$.getAxisClipY($$.config.axis_rotated);
+ };
+ c3_chart_internal_fn.getAxisClipWidth = function (forHorizontal) {
+ var $$ = this,
+ left = Math.max(30, $$.margin.left),
+ right = Math.max(30, $$.margin.right);
+ // width + axis line width + padding for left/right
+ return (forHorizontal ? $$.width + 2 + left + right : $$.margin.left + 20 + this.config.completeScale*100);
+ };
+ c3_chart_internal_fn.getAxisClipHeight = function (forHorizontal) {
+ // less than 20 is not enough to show the axis label 'outer' without legend
+ return ((forHorizontal ? this.margin.bottom : (this.margin.top + this.height)) + 20) + this.config.completeScale*20;
+ };
+ c3_chart_internal_fn.getXAxisClipWidth = function () {
+ var $$ = this;
+ return $$.getAxisClipWidth(!$$.config.axis_rotated);
+ };
+ c3_chart_internal_fn.getXAxisClipHeight = function () {
+ var $$ = this;
+ return $$.getAxisClipHeight(!$$.config.axis_rotated);
+ };
+ c3_chart_internal_fn.getYAxisClipWidth = function () {
+ var $$ = this;
+ return $$.getAxisClipWidth($$.config.axis_rotated) + ($$.config.axis_y_inner ? 20 : 0);
+ };
+ c3_chart_internal_fn.getYAxisClipHeight = function () {
+ var $$ = this;
+ return $$.getAxisClipHeight($$.config.axis_rotated);
+ };
+
+ c3_chart_internal_fn.initPie = function () {
+ var $$ = this, d3 = $$.d3, config = $$.config;
+ $$.pie = d3.layout.pie().value(function (d) {
+ return d.values.reduce(function (a, b) { return a + b.value; }, 0);
+ });
+ if (!config.data_order) {
+ $$.pie.sort(null);
+ }
+ };
+
+ c3_chart_internal_fn.updateRadius = function () {
+ var $$ = this, config = $$.config,
+ w = config.gauge_width || config.donut_width;
+ $$.radiusExpanded = Math.min($$.arcWidth, $$.arcHeight) / 2;
+ $$.radius = $$.radiusExpanded * 0.95;
+ $$.innerRadiusRatio = w ? ($$.radius - w) / $$.radius : 0.6;
+ $$.innerRadius = $$.hasType('donut') || $$.hasType('gauge') ? $$.radius * $$.innerRadiusRatio : 0;
+ };
+
+ c3_chart_internal_fn.updateArc = function () {
+ var $$ = this;
+ $$.svgArc = $$.getSvgArc();
+ $$.svgArcExpanded = $$.getSvgArcExpanded();
+ $$.svgArcExpandedSub = $$.getSvgArcExpanded(0.98);
+ };
+
+ c3_chart_internal_fn.updateAngle = function (d) {
+ var $$ = this, config = $$.config,
+ found = false, index = 0,
+ gMin, gMax, gTic, gValue;
+
+ if (!config) {
+ return null;
+ }
+
+ $$.pie($$.filterTargetsToShow($$.data.targets)).forEach(function (t) {
+ if (! found && t.data.id === d.data.id) {
+ found = true;
+ d = t;
+ d.index = index;
+ }
+ index++;
+ });
+ if (isNaN(d.startAngle)) {
+ d.startAngle = 0;
+ }
+ if (isNaN(d.endAngle)) {
+ d.endAngle = d.startAngle;
+ }
+ if ($$.isGaugeType(d.data)) {
+ gMin = config.gauge_min;
+ gMax = config.gauge_max;
+ gTic = (Math.PI) / (gMax - gMin);
+ gValue = d.value < gMin ? 0 : d.value < gMax ? d.value - gMin : (gMax - gMin);
+ d.startAngle = -1 * (Math.PI / 2);
+ d.endAngle = d.startAngle + gTic * gValue;
+ }
+ return found ? d : null;
+ };
+
+ c3_chart_internal_fn.getSvgArc = function () {
+ var $$ = this,
+ arc = $$.d3.svg.arc().outerRadius($$.radius).innerRadius($$.innerRadius),
+ newArc = function (d, withoutUpdate) {
+ var updated;
+ if (withoutUpdate) { return arc(d); } // for interpolate
+ updated = $$.updateAngle(d);
+ return updated ? arc(updated) : "M 0 0";
+ };
+ // TODO: extends all function
+ newArc.centroid = arc.centroid;
+ return newArc;
+ };
+
+ c3_chart_internal_fn.getSvgArcExpanded = function (rate) {
+ var $$ = this,
+ arc = $$.d3.svg.arc().outerRadius($$.radiusExpanded * (rate ? rate : 1)).innerRadius($$.innerRadius);
+ return function (d) {
+ var updated = $$.updateAngle(d);
+ return updated ? arc(updated) : "M 0 0";
+ };
+ };
+
+ c3_chart_internal_fn.getArc = function (d, withoutUpdate, force) {
+ return force || this.isArcType(d.data) ? this.svgArc(d, withoutUpdate) : "M 0 0";
+ };
+
+
+ c3_chart_internal_fn.transformForArcLabel = function (d) {
+ var $$ = this,
+ updated = $$.updateAngle(d), c, x, y, h, ratio, translate = "";
+ if (updated && !$$.hasType('gauge')) {
+ c = this.svgArc.centroid(updated);
+ x = isNaN(c[0]) ? 0 : c[0];
+ y = isNaN(c[1]) ? 0 : c[1];
+ h = Math.sqrt(x * x + y * y);
+ // TODO: ratio should be an option?
+ ratio = $$.radius && h ? (36 / $$.radius > 0.375 ? 1.175 - 36 / $$.radius : 0.8) * $$.radius / h : 0;
+ translate = "translate(" + (x * ratio) + ',' + (y * ratio) + ")";
+ }
+ return translate;
+ };
+
+ c3_chart_internal_fn.getArcRatio = function (d) {
+ var $$ = this,
+ whole = $$.hasType('gauge') ? Math.PI : (Math.PI * 2);
+ return d ? (d.endAngle - d.startAngle) / whole : null;
+ };
+
+ c3_chart_internal_fn.convertToArcData = function (d) {
+ return this.addName({
+ id: d.data.id,
+ value: d.value,
+ ratio: this.getArcRatio(d),
+ index: d.index
+ });
+ };
+
+ c3_chart_internal_fn.textForArcLabel = function (d) {
+ var $$ = this,
+ updated, value, ratio, id, format;
+ if (! $$.shouldShowArcLabel()) { return ""; }
+ updated = $$.updateAngle(d);
+ value = updated ? updated.value : null;
+ ratio = $$.getArcRatio(updated);
+ id = d.data.id;
+ if (! $$.hasType('gauge') && ! $$.meetsArcLabelThreshold(ratio)) { return ""; }
+ format = $$.getArcLabelFormat();
+ return format ? format(value, ratio, id) : $$.defaultArcValueFormat(value, ratio);
+ };
+
+ c3_chart_internal_fn.expandArc = function (targetIds) {
+ var $$ = this, interval;
+
+ // MEMO: avoid to cancel transition
+ if ($$.transiting) {
+ interval = window.setInterval(function () {
+ if (!$$.transiting) {
+ window.clearInterval(interval);
+ if ($$.legend.selectAll('.c3-legend-item-focused').size() > 0) {
+ $$.expandArc(targetIds);
+ }
+ }
+ }, 10);
+ return;
+ }
+
+ targetIds = $$.mapToTargetIds(targetIds);
+
+ $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).each(function (d) {
+ if (! $$.shouldExpand(d.data.id)) { return; }
+ $$.d3.select(this).selectAll('path')
+ .transition().duration($$.expandDuration(d.data.id))
+ .attr("d", $$.svgArcExpanded)
+ .transition().duration($$.expandDuration(d.data.id) * 2)
+ .attr("d", $$.svgArcExpandedSub)
+ .each(function (d) {
+ if ($$.isDonutType(d.data)) {
+ // callback here
+ }
+ });
+ });
+ };
+
+ c3_chart_internal_fn.unexpandArc = function (targetIds) {
+ var $$ = this;
+
+ if ($$.transiting) { return; }
+
+ targetIds = $$.mapToTargetIds(targetIds);
+
+ $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).selectAll('path')
+ .transition().duration(function(d) {
+ return $$.expandDuration(d.data.id);
+ })
+ .attr("d", $$.svgArc);
+ $$.svg.selectAll('.' + CLASS.arc)
+ .style("opacity", 1);
+ };
+
+ c3_chart_internal_fn.expandDuration = function (id) {
+ var $$ = this, config = $$.config;
+
+ if ($$.isDonutType(id)) {
+ return config.donut_expand_duration;
+ } else if ($$.isGaugeType(id)) {
+ return config.gauge_expand_duration;
+ } else if ($$.isPieType(id)) {
+ return config.pie_expand_duration;
+ } else {
+ return 50;
+ }
+
+ };
+
+ c3_chart_internal_fn.shouldExpand = function (id) {
+ var $$ = this, config = $$.config;
+ return ($$.isDonutType(id) && config.donut_expand) ||
+ ($$.isGaugeType(id) && config.gauge_expand) ||
+ ($$.isPieType(id) && config.pie_expand);
+ };
+
+ c3_chart_internal_fn.shouldShowArcLabel = function () {
+ var $$ = this, config = $$.config, shouldShow = true;
+ if ($$.hasType('donut')) {
+ shouldShow = config.donut_label_show;
+ } else if ($$.hasType('pie')) {
+ shouldShow = config.pie_label_show;
+ }
+ // when gauge, always true
+ return shouldShow;
+ };
+
+ c3_chart_internal_fn.meetsArcLabelThreshold = function (ratio) {
+ var $$ = this, config = $$.config,
+ threshold = $$.hasType('donut') ? config.donut_label_threshold : config.pie_label_threshold;
+ return ratio >= threshold;
+ };
+
+ c3_chart_internal_fn.getArcLabelFormat = function () {
+ var $$ = this, config = $$.config,
+ format = config.pie_label_format;
+ if ($$.hasType('gauge')) {
+ format = config.gauge_label_format;
+ } else if ($$.hasType('donut')) {
+ format = config.donut_label_format;
+ }
+ return format;
+ };
+
+ c3_chart_internal_fn.getArcTitle = function () {
+ var $$ = this;
+ return $$.hasType('donut') ? $$.config.donut_title : "";
+ };
+
+ c3_chart_internal_fn.updateTargetsForArc = function (targets) {
+ var $$ = this, main = $$.main,
+ mainPieUpdate, mainPieEnter,
+ classChartArc = $$.classChartArc.bind($$),
+ classArcs = $$.classArcs.bind($$),
+ classFocus = $$.classFocus.bind($$);
+ mainPieUpdate = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc)
+ .data($$.pie(targets))
+ .attr("class", function (d) { return classChartArc(d) + classFocus(d.data); });
+ mainPieEnter = mainPieUpdate.enter().append("g")
+ .attr("class", classChartArc);
+ mainPieEnter.append('g')
+ .attr('class', classArcs);
+ mainPieEnter.append("text")
+ .attr("dy", $$.hasType('gauge') ? "-.1em" : ".35em")
+ .style("opacity", 0)
+ .style("text-anchor", "middle")
+ .style("pointer-events", "none");
+ // MEMO: can not keep same color..., but not bad to update color in redraw
+ //mainPieUpdate.exit().remove();
+ };
+
+ c3_chart_internal_fn.initArc = function () {
+ var $$ = this;
+ $$.arcs = $$.main.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.chartArcs)
+ .attr("transform", $$.getTranslate('arc'));
+ $$.arcs.append('text')
+ .attr('class', CLASS.chartArcsTitle)
+ .style("text-anchor", "middle")
+ .text($$.getArcTitle());
+ };
+
+ c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransform) {
+ var $$ = this, d3 = $$.d3, config = $$.config, main = $$.main,
+ mainArc;
+ mainArc = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arc)
+ .data($$.arcData.bind($$));
+ mainArc.enter().append('path')
+ .attr("class", $$.classArc.bind($$))
+ .style("fill", function (d) { return $$.color(d.data); })
+ .style("cursor", function (d) { return config.interaction_enabled && config.data_selection_isselectable(d) ? "pointer" : null; })
+ .style("opacity", 0)
+ .each(function (d) {
+ if ($$.isGaugeType(d.data)) {
+ d.startAngle = d.endAngle = -1 * (Math.PI / 2);
+ }
+ this._current = d;
+ });
+ mainArc
+ .attr("transform", function (d) { return !$$.isGaugeType(d.data) && withTransform ? "scale(0)" : ""; })
+ .style("opacity", function (d) { return d === this._current ? 0 : 1; })
+ .on('mouseover', config.interaction_enabled ? function (d) {
+ var updated, arcData;
+ if ($$.transiting) { // skip while transiting
+ return;
+ }
+ updated = $$.updateAngle(d);
+ if (updated) {
+ arcData = $$.convertToArcData(updated);
+ // transitions
+ $$.expandArc(updated.data.id);
+ $$.api.focus(updated.data.id);
+ $$.toggleFocusLegend(updated.data.id, true);
+ $$.config.data_onmouseover(arcData, this);
+ }
+ } : null)
+ .on('mousemove', config.interaction_enabled ? function (d) {
+ var updated = $$.updateAngle(d), arcData, selectedData;
+ if (updated) {
+ arcData = $$.convertToArcData(updated),
+ selectedData = [arcData];
+ $$.showTooltip(selectedData, this);
+ }
+ } : null)
+ .on('mouseout', config.interaction_enabled ? function (d) {
+ var updated, arcData;
+ if ($$.transiting) { // skip while transiting
+ return;
+ }
+ updated = $$.updateAngle(d);
+ if (updated) {
+ arcData = $$.convertToArcData(updated);
+ // transitions
+ $$.unexpandArc(updated.data.id);
+ $$.api.revert();
+ $$.revertLegend();
+ $$.hideTooltip();
+ $$.config.data_onmouseout(arcData, this);
+ }
+ } : null)
+ .on('click', config.interaction_enabled ? function (d, i) {
+ var updated = $$.updateAngle(d), arcData;
+ if (updated) {
+ arcData = $$.convertToArcData(updated);
+ if ($$.toggleShape) {
+ $$.toggleShape(this, arcData, i);
+ }
+ $$.config.data_onclick.call($$.api, arcData, this);
+ }
+ } : null)
+ .each(function () { $$.transiting = true; })
+ .transition().duration(duration)
+ .attrTween("d", function (d) {
+ var updated = $$.updateAngle(d), interpolate;
+ if (! updated) {
+ return function () { return "M 0 0"; };
+ }
+ // if (this._current === d) {
+ // this._current = {
+ // startAngle: Math.PI*2,
+ // endAngle: Math.PI*2,
+ // };
+ // }
+ if (isNaN(this._current.startAngle)) {
+ this._current.startAngle = 0;
+ }
+ if (isNaN(this._current.endAngle)) {
+ this._current.endAngle = this._current.startAngle;
+ }
+ interpolate = d3.interpolate(this._current, updated);
+ this._current = interpolate(0);
+ return function (t) {
+ var interpolated = interpolate(t);
+ interpolated.data = d.data; // data.id will be updated by interporator
+ return $$.getArc(interpolated, true);
+ };
+ })
+ .attr("transform", withTransform ? "scale(1)" : "")
+ .style("fill", function (d) {
+ return $$.levelColor ? $$.levelColor(d.data.values[0].value) : $$.color(d.data.id);
+ }) // Where gauge reading color would receive customization.
+ .style("opacity", 1)
+ .call($$.endall, function () {
+ $$.transiting = false;
+ });
+ mainArc.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ main.selectAll('.' + CLASS.chartArc).select('text')
+ .style("opacity", 0)
+ .attr('class', function (d) { return $$.isGaugeType(d.data) ? CLASS.gaugeValue : ''; })
+ .text($$.textForArcLabel.bind($$))
+ .attr("transform", $$.transformForArcLabel.bind($$))
+ .style('font-size', function (d) { return $$.isGaugeType(d.data) ? Math.round($$.radius / 5) + 'px' : ''; })
+ .transition().duration(duration)
+ .style("opacity", function (d) { return $$.isTargetToShow(d.data.id) && $$.isArcType(d.data) ? 1 : 0; });
+ main.select('.' + CLASS.chartArcsTitle)
+ .style("opacity", $$.hasType('donut') || $$.hasType('gauge') ? 1 : 0);
+
+ if ($$.hasType('gauge')) {
+ $$.arcs.select('.' + CLASS.chartArcsBackground)
+ .attr("d", function () {
+ var d = {
+ data: [{value: config.gauge_max}],
+ startAngle: -1 * (Math.PI / 2),
+ endAngle: Math.PI / 2
+ };
+ return $$.getArc(d, true, true);
+ });
+ $$.arcs.select('.' + CLASS.chartArcsGaugeUnit)
+ .attr("dy", ".75em")
+ .text(config.gauge_label_show ? config.gauge_units : '');
+ $$.arcs.select('.' + CLASS.chartArcsGaugeMin)
+ .attr("dx", -1 * ($$.innerRadius + (($$.radius - $$.innerRadius) / 2)) + "px")
+ .attr("dy", "1.2em")
+ .text(config.gauge_label_show ? config.gauge_min : '');
+ $$.arcs.select('.' + CLASS.chartArcsGaugeMax)
+ .attr("dx", $$.innerRadius + (($$.radius - $$.innerRadius) / 2) + "px")
+ .attr("dy", "1.2em")
+ .text(config.gauge_label_show ? config.gauge_max : '');
+ }
+ };
+ c3_chart_internal_fn.initGauge = function () {
+ var arcs = this.arcs;
+ if (this.hasType('gauge')) {
+ arcs.append('path')
+ .attr("class", CLASS.chartArcsBackground);
+ arcs.append("text")
+ .attr("class", CLASS.chartArcsGaugeUnit)
+ .style("text-anchor", "middle")
+ .style("pointer-events", "none");
+ arcs.append("text")
+ .attr("class", CLASS.chartArcsGaugeMin)
+ .style("text-anchor", "middle")
+ .style("pointer-events", "none");
+ arcs.append("text")
+ .attr("class", CLASS.chartArcsGaugeMax)
+ .style("text-anchor", "middle")
+ .style("pointer-events", "none");
+ }
+ };
+ c3_chart_internal_fn.getGaugeLabelHeight = function () {
+ return this.config.gauge_label_show ? 20 : 0;
+ };
+
+ c3_chart_internal_fn.initRegion = function () {
+ var $$ = this;
+ $$.region = $$.main.append('g')
+ .attr("clip-path", $$.clipPath)
+ .attr("class", CLASS.regions);
+ };
+ c3_chart_internal_fn.updateRegion = function (duration) {
+ var $$ = this, config = $$.config;
+
+ // hide if arc type
+ $$.region.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');
+
+ $$.mainRegion = $$.main.select('.' + CLASS.regions).selectAll('.' + CLASS.region)
+ .data(config.regions);
+ $$.mainRegion.enter().append('g')
+ .attr('class', $$.classRegion.bind($$))
+ .append('rect')
+ .style("fill-opacity", 0);
+ $$.mainRegion.exit().transition().duration(duration)
+ .style("opacity", 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawRegion = function (withTransition) {
+ var $$ = this,
+ regions = $$.mainRegion.selectAll('rect'),
+ x = $$.regionX.bind($$),
+ y = $$.regionY.bind($$),
+ w = $$.regionWidth.bind($$),
+ h = $$.regionHeight.bind($$);
+ return [
+ (withTransition ? regions.transition() : regions)
+ .attr("x", x)
+ .attr("y", y)
+ .attr("width", w)
+ .attr("height", h)
+ .style("fill-opacity", function (d) { return isValue(d.opacity) ? d.opacity : 0.1; })
+ ];
+ };
+ c3_chart_internal_fn.regionX = function (d) {
+ var $$ = this, config = $$.config,
+ xPos, yScale = d.axis === 'y' ? $$.y : $$.y2;
+ if (d.axis === 'y' || d.axis === 'y2') {
+ xPos = config.axis_rotated ? ('start' in d ? yScale(d.start) : 0) : 0;
+ } else {
+ xPos = config.axis_rotated ? 0 : ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0);
+ }
+ return xPos;
+ };
+ c3_chart_internal_fn.regionY = function (d) {
+ var $$ = this, config = $$.config,
+ yPos, yScale = d.axis === 'y' ? $$.y : $$.y2;
+ if (d.axis === 'y' || d.axis === 'y2') {
+ yPos = config.axis_rotated ? 0 : ('end' in d ? yScale(d.end) : 0);
+ } else {
+ yPos = config.axis_rotated ? ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0) : 0;
+ }
+ return yPos;
+ };
+ c3_chart_internal_fn.regionWidth = function (d) {
+ var $$ = this, config = $$.config,
+ start = $$.regionX(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2;
+ if (d.axis === 'y' || d.axis === 'y2') {
+ end = config.axis_rotated ? ('end' in d ? yScale(d.end) : $$.width) : $$.width;
+ } else {
+ end = config.axis_rotated ? $$.width : ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.width);
+ }
+ return end < start ? 0 : end - start;
+ };
+ c3_chart_internal_fn.regionHeight = function (d) {
+ var $$ = this, config = $$.config,
+ start = this.regionY(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2;
+ if (d.axis === 'y' || d.axis === 'y2') {
+ end = config.axis_rotated ? $$.height : ('start' in d ? yScale(d.start) : $$.height);
+ } else {
+ end = config.axis_rotated ? ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.height) : $$.height;
+ }
+ return end < start ? 0 : end - start;
+ };
+ c3_chart_internal_fn.isRegionOnX = function (d) {
+ return !d.axis || d.axis === 'x';
+ };
+
+ c3_chart_internal_fn.drag = function (mouse) {
+ var $$ = this, config = $$.config, main = $$.main, d3 = $$.d3;
+ var sx, sy, mx, my, minX, maxX, minY, maxY;
+
+ if ($$.hasArcType()) { return; }
+ if (! config.data_selection_enabled) { return; } // do nothing if not selectable
+ if (config.zoom_enabled && ! $$.zoom.altDomain) { return; } // skip if zoomable because of conflict drag dehavior
+ if (!config.data_selection_multiple) { return; } // skip when single selection because drag is used for multiple selection
+
+ sx = $$.dragStart[0];
+ sy = $$.dragStart[1];
+ mx = mouse[0];
+ my = mouse[1];
+ minX = Math.min(sx, mx);
+ maxX = Math.max(sx, mx);
+ minY = (config.data_selection_grouped) ? $$.margin.top : Math.min(sy, my);
+ maxY = (config.data_selection_grouped) ? $$.height : Math.max(sy, my);
+
+ main.select('.' + CLASS.dragarea)
+ .attr('x', minX)
+ .attr('y', minY)
+ .attr('width', maxX - minX)
+ .attr('height', maxY - minY);
+ // TODO: binary search when multiple xs
+ main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape)
+ .filter(function (d) { return config.data_selection_isselectable(d); })
+ .each(function (d, i) {
+ var shape = d3.select(this),
+ isSelected = shape.classed(CLASS.SELECTED),
+ isIncluded = shape.classed(CLASS.INCLUDED),
+ _x, _y, _w, _h, toggle, isWithin = false, box;
+ if (shape.classed(CLASS.circle)) {
+ _x = shape.attr("cx") * 1;
+ _y = shape.attr("cy") * 1;
+ toggle = $$.togglePoint;
+ isWithin = minX < _x && _x < maxX && minY < _y && _y < maxY;
+ }
+ else if (shape.classed(CLASS.bar)) {
+ box = getPathBox(this);
+ _x = box.x;
+ _y = box.y;
+ _w = box.width;
+ _h = box.height;
+ toggle = $$.togglePath;
+ isWithin = !(maxX < _x || _x + _w < minX) && !(maxY < _y || _y + _h < minY);
+ } else {
+ // line/area selection not supported yet
+ return;
+ }
+ if (isWithin ^ isIncluded) {
+ shape.classed(CLASS.INCLUDED, !isIncluded);
+ // TODO: included/unincluded callback here
+ shape.classed(CLASS.SELECTED, !isSelected);
+ toggle.call($$, !isSelected, shape, d, i);
+ }
+ });
+ };
+
+ c3_chart_internal_fn.dragstart = function (mouse) {
+ var $$ = this, config = $$.config;
+ if ($$.hasArcType()) { return; }
+ if (! config.data_selection_enabled) { return; } // do nothing if not selectable
+ $$.dragStart = mouse;
+ $$.main.select('.' + CLASS.chart).append('rect')
+ .attr('class', CLASS.dragarea)
+ .style('opacity', 0.1);
+ $$.dragging = true;
+ };
+
+ c3_chart_internal_fn.dragend = function () {
+ var $$ = this, config = $$.config;
+ if ($$.hasArcType()) { return; }
+ if (! config.data_selection_enabled) { return; } // do nothing if not selectable
+ $$.main.select('.' + CLASS.dragarea)
+ .transition().duration(100)
+ .style('opacity', 0)
+ .remove();
+ $$.main.selectAll('.' + CLASS.shape)
+ .classed(CLASS.INCLUDED, false);
+ $$.dragging = false;
+ };
+
+ c3_chart_internal_fn.selectPoint = function (target, d, i) {
+ var $$ = this, config = $$.config,
+ cx = (config.axis_rotated ? $$.circleY : $$.circleX).bind($$),
+ cy = (config.axis_rotated ? $$.circleX : $$.circleY).bind($$),
+ r = $$.pointSelectR.bind($$);
+ config.data_onselected.call($$.api, d, target.node());
+ // add selected-circle on low layer g
+ $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i)
+ .data([d])
+ .enter().append('circle')
+ .attr("class", function () { return $$.generateClass(CLASS.selectedCircle, i); })
+ .attr("cx", cx)
+ .attr("cy", cy)
+ .attr("stroke", function () { return $$.color(d); })
+ .attr("r", function (d) { return $$.pointSelectR(d) * 1.4; })
+ .transition().duration(100)
+ .attr("r", r);
+ };
+ c3_chart_internal_fn.unselectPoint = function (target, d, i) {
+ var $$ = this;
+ $$.config.data_onunselected.call($$.api, d, target.node());
+ // remove selected-circle from low layer g
+ $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i)
+ .transition().duration(100).attr('r', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.togglePoint = function (selected, target, d, i) {
+ selected ? this.selectPoint(target, d, i) : this.unselectPoint(target, d, i);
+ };
+ c3_chart_internal_fn.selectPath = function (target, d) {
+ var $$ = this;
+ $$.config.data_onselected.call($$, d, target.node());
+ target.transition().duration(100)
+ .style("fill", function () { return $$.d3.rgb($$.color(d)).brighter(0.75); });
+ };
+ c3_chart_internal_fn.unselectPath = function (target, d) {
+ var $$ = this;
+ $$.config.data_onunselected.call($$, d, target.node());
+ target.transition().duration(100)
+ .style("fill", function () { return $$.color(d); });
+ };
+ c3_chart_internal_fn.togglePath = function (selected, target, d, i) {
+ selected ? this.selectPath(target, d, i) : this.unselectPath(target, d, i);
+ };
+ c3_chart_internal_fn.getToggle = function (that, d) {
+ var $$ = this, toggle;
+ if (that.nodeName === 'circle') {
+ if ($$.isStepType(d)) {
+ // circle is hidden in step chart, so treat as within the click area
+ toggle = function () {}; // TODO: how to select step chart?
+ } else {
+ toggle = $$.togglePoint;
+ }
+ }
+ else if (that.nodeName === 'path') {
+ toggle = $$.togglePath;
+ }
+ return toggle;
+ };
+ c3_chart_internal_fn.toggleShape = function (that, d, i) {
+ var $$ = this, d3 = $$.d3, config = $$.config,
+ shape = d3.select(that), isSelected = shape.classed(CLASS.SELECTED),
+ toggle = $$.getToggle(that, d).bind($$);
+
+ if (config.data_selection_enabled && config.data_selection_isselectable(d)) {
+ if (!config.data_selection_multiple) {
+ $$.main.selectAll('.' + CLASS.shapes + (config.data_selection_grouped ? $$.getTargetSelectorSuffix(d.id) : "")).selectAll('.' + CLASS.shape).each(function (d, i) {
+ var shape = d3.select(this);
+ if (shape.classed(CLASS.SELECTED)) { toggle(false, shape.classed(CLASS.SELECTED, false), d, i); }
+ });
+ }
+ shape.classed(CLASS.SELECTED, !isSelected);
+ toggle(!isSelected, shape, d, i);
+ }
+ };
+
+ c3_chart_internal_fn.initBrush = function () {
+ var $$ = this, d3 = $$.d3;
+ $$.brush = d3.svg.brush().on("brush", function () { $$.redrawForBrush(); });
+ $$.brush.update = function () {
+ if ($$.context) { $$.context.select('.' + CLASS.brush).call(this); }
+ return this;
+ };
+ $$.brush.scale = function (scale) {
+ return $$.config.axis_rotated ? this.y(scale) : this.x(scale);
+ };
+ };
+ c3_chart_internal_fn.initSubchart = function () {
+ var $$ = this, config = $$.config,
+ context = $$.context = $$.svg.append("g").attr("transform", $$.getTranslate('context')),
+ visibility = config.subchart_show ? 'visible' : 'hidden';
+
+ context.style('visibility', visibility);
+
+ // Define g for chart area
+ context.append('g')
+ .attr("clip-path", $$.clipPathForSubchart)
+ .attr('class', CLASS.chart);
+
+ // Define g for bar chart area
+ context.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.chartBars);
+
+ // Define g for line chart area
+ context.select('.' + CLASS.chart).append("g")
+ .attr("class", CLASS.chartLines);
+
+ // Add extent rect for Brush
+ context.append("g")
+ .attr("clip-path", $$.clipPath)
+ .attr("class", CLASS.brush)
+ .call($$.brush);
+
+ // ATTENTION: This must be called AFTER chart added
+ // Add Axis
+ $$.axes.subx = context.append("g")
+ .attr("class", CLASS.axisX)
+ .attr("transform", $$.getTranslate('subx'))
+ .attr("clip-path", config.axis_rotated ? "" : $$.clipPathForXAxis)
+ .style("visibility", config.subchart_axis_x_show ? visibility : 'hidden');
+ };
+ c3_chart_internal_fn.updateTargetsForSubchart = function (targets) {
+ var $$ = this, context = $$.context, config = $$.config,
+ contextLineEnter, contextLineUpdate, contextBarEnter, contextBarUpdate,
+ classChartBar = $$.classChartBar.bind($$),
+ classBars = $$.classBars.bind($$),
+ classChartLine = $$.classChartLine.bind($$),
+ classLines = $$.classLines.bind($$),
+ classAreas = $$.classAreas.bind($$);
+
+ if (config.subchart_show) {
+ //-- Bar --//
+ contextBarUpdate = context.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar)
+ .data(targets)
+ .attr('class', classChartBar);
+ contextBarEnter = contextBarUpdate.enter().append('g')
+ .style('opacity', 0)
+ .attr('class', classChartBar);
+ // Bars for each data
+ contextBarEnter.append('g')
+ .attr("class", classBars);
+
+ //-- Line --//
+ contextLineUpdate = context.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine)
+ .data(targets)
+ .attr('class', classChartLine);
+ contextLineEnter = contextLineUpdate.enter().append('g')
+ .style('opacity', 0)
+ .attr('class', classChartLine);
+ // Lines for each data
+ contextLineEnter.append("g")
+ .attr("class", classLines);
+ // Area
+ contextLineEnter.append("g")
+ .attr("class", classAreas);
+
+ //-- Brush --//
+ context.selectAll('.' + CLASS.brush + ' rect')
+ .attr(config.axis_rotated ? "width" : "height", config.axis_rotated ? $$.width2 : $$.height2);
+ }
+ };
+ c3_chart_internal_fn.updateBarForSubchart = function (durationForExit) {
+ var $$ = this;
+ $$.contextBar = $$.context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar)
+ .data($$.barData.bind($$));
+ $$.contextBar.enter().append('path')
+ .attr("class", $$.classBar.bind($$))
+ .style("stroke", 'none')
+ .style("fill", $$.color);
+ $$.contextBar
+ .style("opacity", $$.initialOpacity.bind($$));
+ $$.contextBar.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawBarForSubchart = function (drawBarOnSub, withTransition, duration) {
+ (withTransition ? this.contextBar.transition(Math.random().toString()).duration(duration) : this.contextBar)
+ .attr('d', drawBarOnSub)
+ .style('opacity', 1);
+ };
+ c3_chart_internal_fn.updateLineForSubchart = function (durationForExit) {
+ var $$ = this;
+ $$.contextLine = $$.context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line)
+ .data($$.lineData.bind($$));
+ $$.contextLine.enter().append('path')
+ .attr('class', $$.classLine.bind($$))
+ .style('stroke', $$.color);
+ $$.contextLine
+ .style("opacity", $$.initialOpacity.bind($$));
+ $$.contextLine.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawLineForSubchart = function (drawLineOnSub, withTransition, duration) {
+ (withTransition ? this.contextLine.transition(Math.random().toString()).duration(duration) : this.contextLine)
+ .attr("d", drawLineOnSub)
+ .style('opacity', 1);
+ };
+ c3_chart_internal_fn.updateAreaForSubchart = function (durationForExit) {
+ var $$ = this, d3 = $$.d3;
+ $$.contextArea = $$.context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area)
+ .data($$.lineData.bind($$));
+ $$.contextArea.enter().append('path')
+ .attr("class", $$.classArea.bind($$))
+ .style("fill", $$.color)
+ .style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; });
+ $$.contextArea
+ .style("opacity", 0);
+ $$.contextArea.exit().transition().duration(durationForExit)
+ .style('opacity', 0)
+ .remove();
+ };
+ c3_chart_internal_fn.redrawAreaForSubchart = function (drawAreaOnSub, withTransition, duration) {
+ (withTransition ? this.contextArea.transition(Math.random().toString()).duration(duration) : this.contextArea)
+ .attr("d", drawAreaOnSub)
+ .style("fill", this.color)
+ .style("opacity", this.orgAreaOpacity);
+ };
+ c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices) {
+ var $$ = this, d3 = $$.d3, config = $$.config,
+ drawAreaOnSub, drawBarOnSub, drawLineOnSub;
+
+ $$.context.style('visibility', config.subchart_show ? 'visible' : 'hidden');
+
+ // subchart
+ if (config.subchart_show) {
+ // reflect main chart to extent on subchart if zoomed
+ if (d3.event && d3.event.type === 'zoom') {
+ $$.brush.extent($$.x.orgDomain()).update();
+ }
+ // update subchart elements if needed
+ if (withSubchart) {
+
+ // extent rect
+ if (!$$.brush.empty()) {
+ $$.brush.extent($$.x.orgDomain()).update();
+ }
+ // setup drawer - MEMO: this must be called after axis updated
+ drawAreaOnSub = $$.generateDrawArea(areaIndices, true);
+ drawBarOnSub = $$.generateDrawBar(barIndices, true);
+ drawLineOnSub = $$.generateDrawLine(lineIndices, true);
+
+ $$.updateBarForSubchart(duration);
+ $$.updateLineForSubchart(duration);
+ $$.updateAreaForSubchart(duration);
+
+ $$.redrawBarForSubchart(drawBarOnSub, duration, duration);
+ $$.redrawLineForSubchart(drawLineOnSub, duration, duration);
+ $$.redrawAreaForSubchart(drawAreaOnSub, duration, duration);
+ }
+ }
+ };
+ c3_chart_internal_fn.redrawForBrush = function () {
+ var $$ = this, x = $$.x;
+ $$.redraw({
+ withTransition: false,
+ withY: $$.config.zoom_rescale,
+ withSubchart: false,
+ withUpdateXDomain: true,
+ withDimension: false
+ });
+ $$.config.subchart_onbrush.call($$.api, x.orgDomain());
+ };
+ c3_chart_internal_fn.transformContext = function (withTransition, transitions) {
+ var $$ = this, subXAxis;
+ if (transitions && transitions.axisSubX) {
+ subXAxis = transitions.axisSubX;
+ } else {
+ subXAxis = $$.context.select('.' + CLASS.axisX);
+ if (withTransition) { subXAxis = subXAxis.transition(); }
+ }
+ $$.context.attr("transform", $$.getTranslate('context'));
+ subXAxis.attr("transform", $$.getTranslate('subx'));
+ };
+ c3_chart_internal_fn.getDefaultExtent = function () {
+ var $$ = this, config = $$.config,
+ extent = isFunction(config.axis_x_extent) ? config.axis_x_extent($$.getXDomain($$.data.targets)) : config.axis_x_extent;
+ if ($$.isTimeSeries()) {
+ extent = [$$.parseDate(extent[0]), $$.parseDate(extent[1])];
+ }
+ return extent;
+ };
+
+ c3_chart_internal_fn.initZoom = function () {
+ var $$ = this, d3 = $$.d3, config = $$.config, startEvent;
+
+ $$.zoom = d3.behavior.zoom()
+ .on("zoomstart", function () {
+ startEvent = d3.event.sourceEvent;
+ $$.zoom.altDomain = d3.event.sourceEvent.altKey ? $$.x.orgDomain() : null;
+ config.zoom_onzoomstart.call($$.api, d3.event.sourceEvent);
+ })
+ .on("zoom", function () {
+ $$.redrawForZoom.call($$);
+ })
+ .on('zoomend', function () {
+ var event = d3.event.sourceEvent;
+ // if click, do nothing. otherwise, click interaction will be canceled.
+ if (event && startEvent.clientX === event.clientX && startEvent.clientY === event.clientY) {
+ return;
+ }
+ $$.redrawEventRect();
+ $$.updateZoom();
+ config.zoom_onzoomend.call($$.api, $$.x.orgDomain());
+ });
+ $$.zoom.scale = function (scale) {
+ return config.axis_rotated ? this.y(scale) : this.x(scale);
+ };
+ $$.zoom.orgScaleExtent = function () {
+ var extent = config.zoom_extent ? config.zoom_extent : [1, 10];
+ return [extent[0], Math.max($$.getMaxDataCount() / extent[1], extent[1])];
+ };
+ $$.zoom.updateScaleExtent = function () {
+ var ratio = diffDomain($$.x.orgDomain()) / diffDomain($$.getZoomDomain()),
+ extent = this.orgScaleExtent();
+ this.scaleExtent([extent[0] * ratio, extent[1] * ratio]);
+ return this;
+ };
+ };
+ c3_chart_internal_fn.getZoomDomain = function () {
+ var $$ = this, config = $$.config, d3 = $$.d3,
+ min = d3.min([$$.orgXDomain[0], config.zoom_x_min]),
+ max = d3.max([$$.orgXDomain[1], config.zoom_x_max]);
+ return [min, max];
+ };
+ c3_chart_internal_fn.updateZoom = function () {
+ var $$ = this, z = $$.config.zoom_enabled ? $$.zoom : function () {};
+ $$.main.select('.' + CLASS.zoomRect).call(z).on("dblclick.zoom", null);
+ $$.main.selectAll('.' + CLASS.eventRect).call(z).on("dblclick.zoom", null);
+ };
+ c3_chart_internal_fn.redrawForZoom = function () {
+ var $$ = this, d3 = $$.d3, config = $$.config, zoom = $$.zoom, x = $$.x;
+ if (!config.zoom_enabled) {
+ return;
+ }
+ if ($$.filterTargetsToShow($$.data.targets).length === 0) {
+ return;
+ }
+ if (d3.event.sourceEvent.type === 'mousemove' && zoom.altDomain) {
+ x.domain(zoom.altDomain);
+ zoom.scale(x).updateScaleExtent();
+ return;
+ }
+ if ($$.isCategorized() && x.orgDomain()[0] === $$.orgXDomain[0]) {
+ x.domain([$$.orgXDomain[0] - 1e-10, x.orgDomain()[1]]);
+ }
+ $$.redraw({
+ withTransition: false,
+ withY: config.zoom_rescale,
+ withSubchart: false,
+ withEventRect: false,
+ withDimension: false
+ });
+ if (d3.event.sourceEvent.type === 'mousemove') {
+ $$.cancelClick = true;
+ }
+ config.zoom_onzoom.call($$.api, x.orgDomain());
+ };
+
+ c3_chart_internal_fn.generateColor = function () {
+ var $$ = this, config = $$.config, d3 = $$.d3,
+ colors = config.data_colors,
+ pattern = notEmpty(config.color_pattern) ? config.color_pattern : d3.scale.category10().range(),
+ callback = config.data_color,
+ ids = [];
+
+ return function (d) {
+ var id = d.id || (d.data && d.data.id) || d, color;
+
+ // if callback function is provided
+ if (colors[id] instanceof Function) {
+ color = colors[id](d);
+ }
+ // if specified, choose that color
+ else if (colors[id]) {
+ color = colors[id];
+ }
+ // if not specified, choose from pattern
+ else {
+ if (ids.indexOf(id) < 0) { ids.push(id); }
+ color = pattern[ids.indexOf(id) % pattern.length];
+ colors[id] = color;
+ }
+ return callback instanceof Function ? callback(color, d) : color;
+ };
+ };
+ c3_chart_internal_fn.generateLevelColor = function () {
+ var $$ = this, config = $$.config,
+ colors = config.color_pattern,
+ threshold = config.color_threshold,
+ asValue = threshold.unit === 'value',
+ values = threshold.values && threshold.values.length ? threshold.values : [],
+ max = threshold.max || 100;
+ return notEmpty(config.color_threshold) ? function (value) {
+ var i, v, color = colors[colors.length - 1];
+ for (i = 0; i < values.length; i++) {
+ v = asValue ? value : (value * 100 / max);
+ if (v < values[i]) {
+ color = colors[i];
+ break;
+ }
+ }
+ return color;
+ } : null;
+ };
+
+ c3_chart_internal_fn.getYFormat = function (forArc) {
+ var $$ = this,
+ formatForY = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.yFormat,
+ formatForY2 = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.y2Format;
+ return function (v, ratio, id) {
+ var format = $$.axis.getId(id) === 'y2' ? formatForY2 : formatForY;
+ return format.call($$, v, ratio);
+ };
+ };
+ c3_chart_internal_fn.yFormat = function (v) {
+ var $$ = this, config = $$.config,
+ format = config.axis_y_tick_format ? config.axis_y_tick_format : $$.defaultValueFormat;
+ return format(v);
+ };
+ c3_chart_internal_fn.y2Format = function (v) {
+ var $$ = this, config = $$.config,
+ format = config.axis_y2_tick_format ? config.axis_y2_tick_format : $$.defaultValueFormat;
+ return format(v);
+ };
+ c3_chart_internal_fn.defaultValueFormat = function (v) {
+ return isValue(v) ? +v : "";
+ };
+ c3_chart_internal_fn.defaultArcValueFormat = function (v, ratio) {
+ return (ratio * 100).toFixed(1) + '%';
+ };
+ c3_chart_internal_fn.dataLabelFormat = function (targetId) {
+ var $$ = this, data_labels = $$.config.data_labels,
+ format, defaultFormat = function (v) { return isValue(v) ? +v : ""; };
+ // find format according to axis id
+ if (typeof data_labels.format === 'function') {
+ format = data_labels.format;
+ } else if (typeof data_labels.format === 'object') {
+ if (data_labels.format[targetId]) {
+ format = data_labels.format[targetId] === true ? defaultFormat : data_labels.format[targetId];
+ } else {
+ format = function () { return ''; };
+ }
+ } else {
+ format = defaultFormat;
+ }
+ return format;
+ };
+
+ c3_chart_internal_fn.hasCaches = function (ids) {
+ for (var i = 0; i < ids.length; i++) {
+ if (! (ids[i] in this.cache)) { return false; }
+ }
+ return true;
+ };
+ c3_chart_internal_fn.addCache = function (id, target) {
+ this.cache[id] = this.cloneTarget(target);
+ };
+ c3_chart_internal_fn.getCaches = function (ids) {
+ var targets = [], i;
+ for (i = 0; i < ids.length; i++) {
+ if (ids[i] in this.cache) { targets.push(this.cloneTarget(this.cache[ids[i]])); }
+ }
+ return targets;
+ };
+
+ var CLASS = c3_chart_internal_fn.CLASS = {
+ target: 'c3-target',
+ chart: 'c3-chart',
+ chartLine: 'c3-chart-line',
+ chartLines: 'c3-chart-lines',
+ chartBar: 'c3-chart-bar',
+ chartBars: 'c3-chart-bars',
+ chartText: 'c3-chart-text',
+ chartTexts: 'c3-chart-texts',
+ chartArc: 'c3-chart-arc',
+ chartArcs: 'c3-chart-arcs',
+ chartArcsTitle: 'c3-chart-arcs-title',
+ chartArcsBackground: 'c3-chart-arcs-background',
+ chartArcsGaugeUnit: 'c3-chart-arcs-gauge-unit',
+ chartArcsGaugeMax: 'c3-chart-arcs-gauge-max',
+ chartArcsGaugeMin: 'c3-chart-arcs-gauge-min',
+ selectedCircle: 'c3-selected-circle',
+ selectedCircles: 'c3-selected-circles',
+ eventRect: 'c3-event-rect',
+ eventRects: 'c3-event-rects',
+ eventRectsSingle: 'c3-event-rects-single',
+ eventRectsMultiple: 'c3-event-rects-multiple',
+ zoomRect: 'c3-zoom-rect',
+ brush: 'c3-brush',
+ focused: 'c3-focused',
+ defocused: 'c3-defocused',
+ region: 'c3-region',
+ regions: 'c3-regions',
+ title: 'c3-title',
+ tooltipContainer: 'c3-tooltip-container',
+ tooltip: 'c3-tooltip',
+ tooltipName: 'c3-tooltip-name',
+ shape: 'c3-shape',
+ shapes: 'c3-shapes',
+ line: 'c3-line',
+ lines: 'c3-lines',
+ bar: 'c3-bar',
+ bars: 'c3-bars',
+ circle: 'c3-circle',
+ circles: 'c3-circles',
+ arc: 'c3-arc',
+ arcs: 'c3-arcs',
+ area: 'c3-area',
+ areas: 'c3-areas',
+ empty: 'c3-empty',
+ text: 'c3-text',
+ texts: 'c3-texts',
+ gaugeValue: 'c3-gauge-value',
+ grid: 'c3-grid',
+ gridLines: 'c3-grid-lines',
+ xgrid: 'c3-xgrid',
+ xgrids: 'c3-xgrids',
+ xgridLine: 'c3-xgrid-line',
+ xgridLines: 'c3-xgrid-lines',
+ xgridFocus: 'c3-xgrid-focus',
+ ygrid: 'c3-ygrid',
+ ygrids: 'c3-ygrids',
+ ygridLine: 'c3-ygrid-line',
+ ygridLines: 'c3-ygrid-lines',
+ axis: 'c3-axis',
+ axisX: 'c3-axis-x',
+ axisXLabel: 'c3-axis-x-label',
+ axisY: 'c3-axis-y',
+ axisYLabel: 'c3-axis-y-label',
+ axisY2: 'c3-axis-y2',
+ axisY2Label: 'c3-axis-y2-label',
+ legendBackground: 'c3-legend-background',
+ legendItem: 'c3-legend-item',
+ legendItemEvent: 'c3-legend-item-event',
+ legendItemTile: 'c3-legend-item-tile',
+ legendItemHidden: 'c3-legend-item-hidden',
+ legendItemFocused: 'c3-legend-item-focused',
+ dragarea: 'c3-dragarea',
+ EXPANDED: '_expanded_',
+ SELECTED: '_selected_',
+ INCLUDED: '_included_'
+ };
+ c3_chart_internal_fn.generateClass = function (prefix, targetId) {
+ return " " + prefix + " " + prefix + this.getTargetSelectorSuffix(targetId);
+ };
+ c3_chart_internal_fn.classText = function (d) {
+ return this.generateClass(CLASS.text, d.index);
+ };
+ c3_chart_internal_fn.classTexts = function (d) {
+ return this.generateClass(CLASS.texts, d.id);
+ };
+ c3_chart_internal_fn.classShape = function (d) {
+ return this.generateClass(CLASS.shape, d.index);
+ };
+ c3_chart_internal_fn.classShapes = function (d) {
+ return this.generateClass(CLASS.shapes, d.id);
+ };
+ c3_chart_internal_fn.classLine = function (d) {
+ return this.classShape(d) + this.generateClass(CLASS.line, d.id);
+ };
+ c3_chart_internal_fn.classLines = function (d) {
+ return this.classShapes(d) + this.generateClass(CLASS.lines, d.id);
+ };
+ c3_chart_internal_fn.classCircle = function (d) {
+ return this.classShape(d) + this.generateClass(CLASS.circle, d.index);
+ };
+ c3_chart_internal_fn.classCircles = function (d) {
+ return this.classShapes(d) + this.generateClass(CLASS.circles, d.id);
+ };
+ c3_chart_internal_fn.classBar = function (d) {
+ return this.classShape(d) + this.generateClass(CLASS.bar, d.index);
+ };
+ c3_chart_internal_fn.classBars = function (d) {
+ return this.classShapes(d) + this.generateClass(CLASS.bars, d.id);
+ };
+ c3_chart_internal_fn.classArc = function (d) {
+ return this.classShape(d.data) + this.generateClass(CLASS.arc, d.data.id);
+ };
+ c3_chart_internal_fn.classArcs = function (d) {
+ return this.classShapes(d.data) + this.generateClass(CLASS.arcs, d.data.id);
+ };
+ c3_chart_internal_fn.classArea = function (d) {
+ return this.classShape(d) + this.generateClass(CLASS.area, d.id);
+ };
+ c3_chart_internal_fn.classAreas = function (d) {
+ return this.classShapes(d) + this.generateClass(CLASS.areas, d.id);
+ };
+ c3_chart_internal_fn.classRegion = function (d, i) {
+ return this.generateClass(CLASS.region, i) + ' ' + ('class' in d ? d['class'] : '');
+ };
+ c3_chart_internal_fn.classEvent = function (d) {
+ return this.generateClass(CLASS.eventRect, d.index);
+ };
+ c3_chart_internal_fn.classTarget = function (id) {
+ var $$ = this;
+ var additionalClassSuffix = $$.config.data_classes[id], additionalClass = '';
+ if (additionalClassSuffix) {
+ additionalClass = ' ' + CLASS.target + '-' + additionalClassSuffix;
+ }
+ return $$.generateClass(CLASS.target, id) + additionalClass;
+ };
+ c3_chart_internal_fn.classFocus = function (d) {
+ return this.classFocused(d) + this.classDefocused(d);
+ };
+ c3_chart_internal_fn.classFocused = function (d) {
+ return ' ' + (this.focusedTargetIds.indexOf(d.id) >= 0 ? CLASS.focused : '');
+ };
+ c3_chart_internal_fn.classDefocused = function (d) {
+ return ' ' + (this.defocusedTargetIds.indexOf(d.id) >= 0 ? CLASS.defocused : '');
+ };
+ c3_chart_internal_fn.classChartText = function (d) {
+ return CLASS.chartText + this.classTarget(d.id);
+ };
+ c3_chart_internal_fn.classChartLine = function (d) {
+ return CLASS.chartLine + this.classTarget(d.id);
+ };
+ c3_chart_internal_fn.classChartBar = function (d) {
+ return CLASS.chartBar + this.classTarget(d.id);
+ };
+ c3_chart_internal_fn.classChartArc = function (d) {
+ return CLASS.chartArc + this.classTarget(d.data.id);
+ };
+ c3_chart_internal_fn.getTargetSelectorSuffix = function (targetId) {
+ return targetId || targetId === 0 ? ('-' + targetId).replace(/[\s?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\]/g, '-') : '';
+ };
+ c3_chart_internal_fn.selectorTarget = function (id, prefix) {
+ return (prefix || '') + '.' + CLASS.target + this.getTargetSelectorSuffix(id);
+ };
+ c3_chart_internal_fn.selectorTargets = function (ids, prefix) {
+ var $$ = this;
+ ids = ids || [];
+ return ids.length ? ids.map(function (id) { return $$.selectorTarget(id, prefix); }) : null;
+ };
+ c3_chart_internal_fn.selectorLegend = function (id) {
+ return '.' + CLASS.legendItem + this.getTargetSelectorSuffix(id);
+ };
+ c3_chart_internal_fn.selectorLegends = function (ids) {
+ var $$ = this;
+ return ids && ids.length ? ids.map(function (id) { return $$.selectorLegend(id); }) : null;
+ };
+
+ var isValue = c3_chart_internal_fn.isValue = function (v) {
+ return v || v === 0;
+ },
+ isFunction = c3_chart_internal_fn.isFunction = function (o) {
+ return typeof o === 'function';
+ },
+ isString = c3_chart_internal_fn.isString = function (o) {
+ return typeof o === 'string';
+ },
+ isUndefined = c3_chart_internal_fn.isUndefined = function (v) {
+ return typeof v === 'undefined';
+ },
+ isDefined = c3_chart_internal_fn.isDefined = function (v) {
+ return typeof v !== 'undefined';
+ },
+ ceil10 = c3_chart_internal_fn.ceil10 = function (v) {
+ return Math.ceil(v / 10) * 10;
+ },
+ asHalfPixel = c3_chart_internal_fn.asHalfPixel = function (n) {
+ return Math.ceil(n) + 0.5;
+ },
+ diffDomain = c3_chart_internal_fn.diffDomain = function (d) {
+ return d[1] - d[0];
+ },
+ isEmpty = c3_chart_internal_fn.isEmpty = function (o) {
+ return typeof o === 'undefined' || o === null || (isString(o) && o.length === 0) || (typeof o === 'object' && Object.keys(o).length === 0);
+ },
+ notEmpty = c3_chart_internal_fn.notEmpty = function (o) {
+ return !c3_chart_internal_fn.isEmpty(o);
+ },
+ getOption = c3_chart_internal_fn.getOption = function (options, key, defaultValue) {
+ return isDefined(options[key]) ? options[key] : defaultValue;
+ },
+ hasValue = c3_chart_internal_fn.hasValue = function (dict, value) {
+ var found = false;
+ Object.keys(dict).forEach(function (key) {
+ if (dict[key] === value) { found = true; }
+ });
+ return found;
+ },
+ getPathBox = c3_chart_internal_fn.getPathBox = function (path) {
+ var box = path.getBoundingClientRect(),
+ items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)],
+ minX = items[0].x, minY = Math.min(items[0].y, items[1].y);
+ return {x: minX, y: minY, width: box.width, height: box.height};
+ };
+
+ c3_chart_fn.focus = function (targetIds) {
+ var $$ = this.internal, candidates;
+
+ targetIds = $$.mapToTargetIds(targetIds);
+ candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))),
+
+ this.revert();
+ this.defocus();
+ candidates.classed(CLASS.focused, true).classed(CLASS.defocused, false);
+ if ($$.hasArcType()) {
+ $$.expandArc(targetIds);
+ }
+ $$.toggleFocusLegend(targetIds, true);
+
+ $$.focusedTargetIds = targetIds;
+ $$.defocusedTargetIds = $$.defocusedTargetIds.filter(function (id) {
+ return targetIds.indexOf(id) < 0;
+ });
+ };
+
+ c3_chart_fn.defocus = function (targetIds) {
+ var $$ = this.internal, candidates;
+
+ targetIds = $$.mapToTargetIds(targetIds);
+ candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))),
+
+ candidates.classed(CLASS.focused, false).classed(CLASS.defocused, true);
+ if ($$.hasArcType()) {
+ $$.unexpandArc(targetIds);
+ }
+ $$.toggleFocusLegend(targetIds, false);
+
+ $$.focusedTargetIds = $$.focusedTargetIds.filter(function (id) {
+ return targetIds.indexOf(id) < 0;
+ });
+ $$.defocusedTargetIds = targetIds;
+ };
+
+ c3_chart_fn.revert = function (targetIds) {
+ var $$ = this.internal, candidates;
+
+ targetIds = $$.mapToTargetIds(targetIds);
+ candidates = $$.svg.selectAll($$.selectorTargets(targetIds)); // should be for all targets
+
+ candidates.classed(CLASS.focused, false).classed(CLASS.defocused, false);
+ if ($$.hasArcType()) {
+ $$.unexpandArc(targetIds);
+ }
+ if ($$.config.legend_show) {
+ $$.showLegend(targetIds.filter($$.isLegendToShow.bind($$)));
+ $$.legend.selectAll($$.selectorLegends(targetIds))
+ .filter(function () {
+ return $$.d3.select(this).classed(CLASS.legendItemFocused);
+ })
+ .classed(CLASS.legendItemFocused, false);
+ }
+
+ $$.focusedTargetIds = [];
+ $$.defocusedTargetIds = [];
+ };
+
+ c3_chart_fn.show = function (targetIds, options) {
+ var $$ = this.internal, targets;
+
+ targetIds = $$.mapToTargetIds(targetIds);
+ options = options || {};
+
+ $$.removeHiddenTargetIds(targetIds);
+ targets = $$.svg.selectAll($$.selectorTargets(targetIds));
+
+ targets.transition()
+ .style('opacity', 1, 'important')
+ .call($$.endall, function () {
+ targets.style('opacity', null).style('opacity', 1);
+ });
+
+ if (options.withLegend) {
+ $$.showLegend(targetIds);
+ }
+
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
+ };
+
+ c3_chart_fn.hide = function (targetIds, options) {
+ var $$ = this.internal, targets;
+
+ targetIds = $$.mapToTargetIds(targetIds);
+ options = options || {};
+
+ $$.addHiddenTargetIds(targetIds);
+ targets = $$.svg.selectAll($$.selectorTargets(targetIds));
+
+ targets.transition()
+ .style('opacity', 0, 'important')
+ .call($$.endall, function () {
+ targets.style('opacity', null).style('opacity', 0);
+ });
+
+ if (options.withLegend) {
+ $$.hideLegend(targetIds);
+ }
+
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
+ };
+
+ c3_chart_fn.toggle = function (targetIds, options) {
+ var that = this, $$ = this.internal;
+ $$.mapToTargetIds(targetIds).forEach(function (targetId) {
+ $$.isTargetToShow(targetId) ? that.hide(targetId, options) : that.show(targetId, options);
+ });
+ };
+
+ c3_chart_fn.zoom = function (domain) {
+ var $$ = this.internal;
+ if (domain) {
+ if ($$.isTimeSeries()) {
+ domain = domain.map(function (x) { return $$.parseDate(x); });
+ }
+ $$.brush.extent(domain);
+ $$.redraw({withUpdateXDomain: true, withY: $$.config.zoom_rescale});
+ $$.config.zoom_onzoom.call(this, $$.x.orgDomain());
+ }
+ return $$.brush.extent();
+ };
+ c3_chart_fn.zoom.enable = function (enabled) {
+ var $$ = this.internal;
+ $$.config.zoom_enabled = enabled;
+ $$.updateAndRedraw();
+ };
+ c3_chart_fn.unzoom = function () {
+ var $$ = this.internal;
+ $$.brush.clear().update();
+ $$.redraw({withUpdateXDomain: true});
+ };
+
+ c3_chart_fn.zoom.max = function (max) {
+ var $$ = this.internal, config = $$.config, d3 = $$.d3;
+ if (max === 0 || max) {
+ config.zoom_x_max = d3.max([$$.orgXDomain[1], max]);
+ }
+ else {
+ return config.zoom_x_max;
+ }
+ };
+
+ c3_chart_fn.zoom.min = function (min) {
+ var $$ = this.internal, config = $$.config, d3 = $$.d3;
+ if (min === 0 || min) {
+ config.zoom_x_min = d3.min([$$.orgXDomain[0], min]);
+ }
+ else {
+ return config.zoom_x_min;
+ }
+ };
+
+ c3_chart_fn.zoom.range = function (range) {
+ if (arguments.length) {
+ if (isDefined(range.max)) { this.domain.max(range.max); }
+ if (isDefined(range.min)) { this.domain.min(range.min); }
+ } else {
+ return {
+ max: this.domain.max(),
+ min: this.domain.min()
+ };
+ }
+ };
+
+ c3_chart_fn.load = function (args) {
+ var $$ = this.internal, config = $$.config;
+ // update xs if specified
+ if (args.xs) {
+ $$.addXs(args.xs);
+ }
+ // update classes if exists
+ if ('classes' in args) {
+ Object.keys(args.classes).forEach(function (id) {
+ config.data_classes[id] = args.classes[id];
+ });
+ }
+ // update categories if exists
+ if ('categories' in args && $$.isCategorized()) {
+ config.axis_x_categories = args.categories;
+ }
+ // update axes if exists
+ if ('axes' in args) {
+ Object.keys(args.axes).forEach(function (id) {
+ config.data_axes[id] = args.axes[id];
+ });
+ }
+ // update colors if exists
+ if ('colors' in args) {
+ Object.keys(args.colors).forEach(function (id) {
+ config.data_colors[id] = args.colors[id];
+ });
+ }
+ // use cache if exists
+ if ('cacheIds' in args && $$.hasCaches(args.cacheIds)) {
+ $$.load($$.getCaches(args.cacheIds), args.done);
+ return;
+ }
+ // unload if needed
+ if ('unload' in args) {
+ // TODO: do not unload if target will load (included in url/rows/columns)
+ $$.unload($$.mapToTargetIds((typeof args.unload === 'boolean' && args.unload) ? null : args.unload), function () {
+ $$.loadFromArgs(args);
+ });
+ } else {
+ $$.loadFromArgs(args);
+ }
+ };
+
+ c3_chart_fn.unload = function (args) {
+ var $$ = this.internal;
+ args = args || {};
+ if (args instanceof Array) {
+ args = {ids: args};
+ } else if (typeof args === 'string') {
+ args = {ids: [args]};
+ }
+ $$.unload($$.mapToTargetIds(args.ids), function () {
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});
+ if (args.done) { args.done(); }
+ });
+ };
+
+ c3_chart_fn.flow = function (args) {
+ var $$ = this.internal,
+ targets, data, notfoundIds = [], orgDataCount = $$.getMaxDataCount(),
+ dataCount, domain, baseTarget, baseValue, length = 0, tail = 0, diff, to;
+
+ if (args.json) {
+ data = $$.convertJsonToData(args.json, args.keys);
+ }
+ else if (args.rows) {
+ data = $$.convertRowsToData(args.rows);
+ }
+ else if (args.columns) {
+ data = $$.convertColumnsToData(args.columns);
+ }
+ else {
+ return;
+ }
+ targets = $$.convertDataToTargets(data, true);
+
+ // Update/Add data
+ $$.data.targets.forEach(function (t) {
+ var found = false, i, j;
+ for (i = 0; i < targets.length; i++) {
+ if (t.id === targets[i].id) {
+ found = true;
+
+ if (t.values[t.values.length - 1]) {
+ tail = t.values[t.values.length - 1].index + 1;
+ }
+ length = targets[i].values.length;
+
+ for (j = 0; j < length; j++) {
+ targets[i].values[j].index = tail + j;
+ if (!$$.isTimeSeries()) {
+ targets[i].values[j].x = tail + j;
+ }
+ }
+ t.values = t.values.concat(targets[i].values);
+
+ targets.splice(i, 1);
+ break;
+ }
+ }
+ if (!found) { notfoundIds.push(t.id); }
+ });
+
+ // Append null for not found targets
+ $$.data.targets.forEach(function (t) {
+ var i, j;
+ for (i = 0; i < notfoundIds.length; i++) {
+ if (t.id === notfoundIds[i]) {
+ tail = t.values[t.values.length - 1].index + 1;
+ for (j = 0; j < length; j++) {
+ t.values.push({
+ id: t.id,
+ index: tail + j,
+ x: $$.isTimeSeries() ? $$.getOtherTargetX(tail + j) : tail + j,
+ value: null
+ });
+ }
+ }
+ }
+ });
+
+ // Generate null values for new target
+ if ($$.data.targets.length) {
+ targets.forEach(function (t) {
+ var i, missing = [];
+ for (i = $$.data.targets[0].values[0].index; i < tail; i++) {
+ missing.push({
+ id: t.id,
+ index: i,
+ x: $$.isTimeSeries() ? $$.getOtherTargetX(i) : i,
+ value: null
+ });
+ }
+ t.values.forEach(function (v) {
+ v.index += tail;
+ if (!$$.isTimeSeries()) {
+ v.x += tail;
+ }
+ });
+ t.values = missing.concat(t.values);
+ });
+ }
+ $$.data.targets = $$.data.targets.concat(targets); // add remained
+
+ // check data count because behavior needs to change when it's only one
+ dataCount = $$.getMaxDataCount();
+ baseTarget = $$.data.targets[0];
+ baseValue = baseTarget.values[0];
+
+ // Update length to flow if needed
+ if (isDefined(args.to)) {
+ length = 0;
+ to = $$.isTimeSeries() ? $$.parseDate(args.to) : args.to;
+ baseTarget.values.forEach(function (v) {
+ if (v.x < to) { length++; }
+ });
+ } else if (isDefined(args.length)) {
+ length = args.length;
+ }
+
+ // If only one data, update the domain to flow from left edge of the chart
+ if (!orgDataCount) {
+ if ($$.isTimeSeries()) {
+ if (baseTarget.values.length > 1) {
+ diff = baseTarget.values[baseTarget.values.length - 1].x - baseValue.x;
+ } else {
+ diff = baseValue.x - $$.getXDomain($$.data.targets)[0];
+ }
+ } else {
+ diff = 1;
+ }
+ domain = [baseValue.x - diff, baseValue.x];
+ $$.updateXDomain(null, true, true, false, domain);
+ } else if (orgDataCount === 1) {
+ if ($$.isTimeSeries()) {
+ diff = (baseTarget.values[baseTarget.values.length - 1].x - baseValue.x) / 2;
+ domain = [new Date(+baseValue.x - diff), new Date(+baseValue.x + diff)];
+ $$.updateXDomain(null, true, true, false, domain);
+ }
+ }
+
+ // Set targets
+ $$.updateTargets($$.data.targets);
+
+ // Redraw with new targets
+ $$.redraw({
+ flow: {
+ index: baseValue.index,
+ length: length,
+ duration: isValue(args.duration) ? args.duration : $$.config.transition_duration,
+ done: args.done,
+ orgDataCount: orgDataCount,
+ },
+ withLegend: true,
+ withTransition: orgDataCount > 1,
+ withTrimXDomain: false,
+ withUpdateXAxis: true,
+ });
+ };
+
+ c3_chart_internal_fn.generateFlow = function (args) {
+ var $$ = this, config = $$.config, d3 = $$.d3;
+
+ return function () {
+ var targets = args.targets,
+ flow = args.flow,
+ drawBar = args.drawBar,
+ drawLine = args.drawLine,
+ drawArea = args.drawArea,
+ cx = args.cx,
+ cy = args.cy,
+ xv = args.xv,
+ xForText = args.xForText,
+ yForText = args.yForText,
+ duration = args.duration;
+
+ var translateX, scaleX = 1, transform,
+ flowIndex = flow.index,
+ flowLength = flow.length,
+ flowStart = $$.getValueOnIndex($$.data.targets[0].values, flowIndex),
+ flowEnd = $$.getValueOnIndex($$.data.targets[0].values, flowIndex + flowLength),
+ orgDomain = $$.x.domain(), domain,
+ durationForFlow = flow.duration || duration,
+ done = flow.done || function () {},
+ wait = $$.generateWait();
+
+ var xgrid = $$.xgrid || d3.selectAll([]),
+ xgridLines = $$.xgridLines || d3.selectAll([]),
+ mainRegion = $$.mainRegion || d3.selectAll([]),
+ mainText = $$.mainText || d3.selectAll([]),
+ mainBar = $$.mainBar || d3.selectAll([]),
+ mainLine = $$.mainLine || d3.selectAll([]),
+ mainArea = $$.mainArea || d3.selectAll([]),
+ mainCircle = $$.mainCircle || d3.selectAll([]);
+
+ // set flag
+ $$.flowing = true;
+
+ // remove head data after rendered
+ $$.data.targets.forEach(function (d) {
+ d.values.splice(0, flowLength);
+ });
+
+ // update x domain to generate axis elements for flow
+ domain = $$.updateXDomain(targets, true, true);
+ // update elements related to x scale
+ if ($$.updateXGrid) { $$.updateXGrid(true); }
+
+ // generate transform to flow
+ if (!flow.orgDataCount) { // if empty
+ if ($$.data.targets[0].values.length !== 1) {
+ translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
+ } else {
+ if ($$.isTimeSeries()) {
+ flowStart = $$.getValueOnIndex($$.data.targets[0].values, 0);
+ flowEnd = $$.getValueOnIndex($$.data.targets[0].values, $$.data.targets[0].values.length - 1);
+ translateX = $$.x(flowStart.x) - $$.x(flowEnd.x);
+ } else {
+ translateX = diffDomain(domain) / 2;
+ }
+ }
+ } else if (flow.orgDataCount === 1 || flowStart.x === flowEnd.x) {
+ translateX = $$.x(orgDomain[0]) - $$.x(domain[0]);
+ } else {
+ if ($$.isTimeSeries()) {
+ translateX = ($$.x(orgDomain[0]) - $$.x(domain[0]));
+ } else {
+ translateX = ($$.x(flowStart.x) - $$.x(flowEnd.x));
+ }
+ }
+ scaleX = (diffDomain(orgDomain) / diffDomain(domain));
+ transform = 'translate(' + translateX + ',0) scale(' + scaleX + ',1)';
+
+ $$.hideXGridFocus();
+
+ d3.transition().ease('linear').duration(durationForFlow).each(function () {
+ wait.add($$.axes.x.transition().call($$.xAxis));
+ wait.add(mainBar.transition().attr('transform', transform));
+ wait.add(mainLine.transition().attr('transform', transform));
+ wait.add(mainArea.transition().attr('transform', transform));
+ wait.add(mainCircle.transition().attr('transform', transform));
+ wait.add(mainText.transition().attr('transform', transform));
+ wait.add(mainRegion.filter($$.isRegionOnX).transition().attr('transform', transform));
+ wait.add(xgrid.transition().attr('transform', transform));
+ wait.add(xgridLines.transition().attr('transform', transform));
+ })
+ .call(wait, function () {
+ var i, shapes = [], texts = [], eventRects = [];
+
+ // remove flowed elements
+ if (flowLength) {
+ for (i = 0; i < flowLength; i++) {
+ shapes.push('.' + CLASS.shape + '-' + (flowIndex + i));
+ texts.push('.' + CLASS.text + '-' + (flowIndex + i));
+ eventRects.push('.' + CLASS.eventRect + '-' + (flowIndex + i));
+ }
+ $$.svg.selectAll('.' + CLASS.shapes).selectAll(shapes).remove();
+ $$.svg.selectAll('.' + CLASS.texts).selectAll(texts).remove();
+ $$.svg.selectAll('.' + CLASS.eventRects).selectAll(eventRects).remove();
+ $$.svg.select('.' + CLASS.xgrid).remove();
+ }
+
+ // draw again for removing flowed elements and reverting attr
+ xgrid
+ .attr('transform', null)
+ .attr($$.xgridAttr);
+ xgridLines
+ .attr('transform', null);
+ xgridLines.select('line')
+ .attr("x1", config.axis_rotated ? 0 : xv)
+ .attr("x2", config.axis_rotated ? $$.width : xv);
+ xgridLines.select('text')
+ .attr("x", config.axis_rotated ? $$.width : 0)
+ .attr("y", xv);
+ mainBar
+ .attr('transform', null)
+ .attr("d", drawBar);
+ mainLine
+ .attr('transform', null)
+ .attr("d", drawLine);
+ mainArea
+ .attr('transform', null)
+ .attr("d", drawArea);
+ mainCircle
+ .attr('transform', null)
+ .attr("cx", cx)
+ .attr("cy", cy);
+ mainText
+ .attr('transform', null)
+ .attr('x', xForText)
+ .attr('y', yForText)
+ .style('fill-opacity', $$.opacityForText.bind($$));
+ mainRegion
+ .attr('transform', null);
+ mainRegion.select('rect').filter($$.isRegionOnX)
+ .attr("x", $$.regionX.bind($$))
+ .attr("width", $$.regionWidth.bind($$));
+
+ if (config.interaction_enabled) {
+ $$.redrawEventRect();
+ }
+
+ // callback for end of flow
+ done();
+
+ $$.flowing = false;
+ });
+ };
+ };
+
+ c3_chart_fn.selected = function (targetId) {
+ var $$ = this.internal, d3 = $$.d3;
+ return d3.merge(
+ $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(targetId)).selectAll('.' + CLASS.shape)
+ .filter(function () { return d3.select(this).classed(CLASS.SELECTED); })
+ .map(function (d) { return d.map(function (d) { var data = d.__data__; return data.data ? data.data : data; }); })
+ );
+ };
+ c3_chart_fn.select = function (ids, indices, resetOther) {
+ var $$ = this.internal, d3 = $$.d3, config = $$.config;
+ if (! config.data_selection_enabled) { return; }
+ $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
+ var shape = d3.select(this), id = d.data ? d.data.id : d.id,
+ toggle = $$.getToggle(this, d).bind($$),
+ isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
+ isTargetIndex = !indices || indices.indexOf(i) >= 0,
+ isSelected = shape.classed(CLASS.SELECTED);
+ // line/area selection not supported yet
+ if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
+ return;
+ }
+ if (isTargetId && isTargetIndex) {
+ if (config.data_selection_isselectable(d) && !isSelected) {
+ toggle(true, shape.classed(CLASS.SELECTED, true), d, i);
+ }
+ } else if (isDefined(resetOther) && resetOther) {
+ if (isSelected) {
+ toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
+ }
+ }
+ });
+ };
+ c3_chart_fn.unselect = function (ids, indices) {
+ var $$ = this.internal, d3 = $$.d3, config = $$.config;
+ if (! config.data_selection_enabled) { return; }
+ $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) {
+ var shape = d3.select(this), id = d.data ? d.data.id : d.id,
+ toggle = $$.getToggle(this, d).bind($$),
+ isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0,
+ isTargetIndex = !indices || indices.indexOf(i) >= 0,
+ isSelected = shape.classed(CLASS.SELECTED);
+ // line/area selection not supported yet
+ if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) {
+ return;
+ }
+ if (isTargetId && isTargetIndex) {
+ if (config.data_selection_isselectable(d)) {
+ if (isSelected) {
+ toggle(false, shape.classed(CLASS.SELECTED, false), d, i);
+ }
+ }
+ }
+ });
+ };
+
+ c3_chart_fn.transform = function (type, targetIds) {
+ var $$ = this.internal,
+ options = ['pie', 'donut'].indexOf(type) >= 0 ? {withTransform: true} : null;
+ $$.transformTo(targetIds, type, options);
+ };
+
+ c3_chart_internal_fn.transformTo = function (targetIds, type, optionsForRedraw) {
+ var $$ = this,
+ withTransitionForAxis = !$$.hasArcType(),
+ options = optionsForRedraw || {withTransitionForAxis: withTransitionForAxis};
+ options.withTransitionForTransform = false;
+ $$.transiting = false;
+ $$.setTargetType(targetIds, type);
+ $$.updateTargets($$.data.targets); // this is needed when transforming to arc
+ $$.updateAndRedraw(options);
+ };
+
+ c3_chart_fn.groups = function (groups) {
+ var $$ = this.internal, config = $$.config;
+ if (isUndefined(groups)) { return config.data_groups; }
+ config.data_groups = groups;
+ $$.redraw();
+ return config.data_groups;
+ };
+
+ c3_chart_fn.xgrids = function (grids) {
+ var $$ = this.internal, config = $$.config;
+ if (! grids) { return config.grid_x_lines; }
+ config.grid_x_lines = grids;
+ $$.redrawWithoutRescale();
+ return config.grid_x_lines;
+ };
+ c3_chart_fn.xgrids.add = function (grids) {
+ var $$ = this.internal;
+ return this.xgrids($$.config.grid_x_lines.concat(grids ? grids : []));
+ };
+ c3_chart_fn.xgrids.remove = function (params) { // TODO: multiple
+ var $$ = this.internal;
+ $$.removeGridLines(params, true);
+ };
+
+ c3_chart_fn.ygrids = function (grids) {
+ var $$ = this.internal, config = $$.config;
+ if (! grids) { return config.grid_y_lines; }
+ config.grid_y_lines = grids;
+ $$.redrawWithoutRescale();
+ return config.grid_y_lines;
+ };
+ c3_chart_fn.ygrids.add = function (grids) {
+ var $$ = this.internal;
+ return this.ygrids($$.config.grid_y_lines.concat(grids ? grids : []));
+ };
+ c3_chart_fn.ygrids.remove = function (params) { // TODO: multiple
+ var $$ = this.internal;
+ $$.removeGridLines(params, false);
+ };
+
+ c3_chart_fn.regions = function (regions) {
+ var $$ = this.internal, config = $$.config;
+ if (!regions) { return config.regions; }
+ config.regions = regions;
+ $$.redrawWithoutRescale();
+ return config.regions;
+ };
+ c3_chart_fn.regions.add = function (regions) {
+ var $$ = this.internal, config = $$.config;
+ if (!regions) { return config.regions; }
+ config.regions = config.regions.concat(regions);
+ $$.redrawWithoutRescale();
+ return config.regions;
+ };
+ c3_chart_fn.regions.remove = function (options) {
+ var $$ = this.internal, config = $$.config,
+ duration, classes, regions;
+
+ options = options || {};
+ duration = $$.getOption(options, "duration", config.transition_duration);
+ classes = $$.getOption(options, "classes", [CLASS.region]);
+
+ regions = $$.main.select('.' + CLASS.regions).selectAll(classes.map(function (c) { return '.' + c; }));
+ (duration ? regions.transition().duration(duration) : regions)
+ .style('opacity', 0)
+ .remove();
+
+ config.regions = config.regions.filter(function (region) {
+ var found = false;
+ if (!region['class']) {
+ return true;
+ }
+ region['class'].split(' ').forEach(function (c) {
+ if (classes.indexOf(c) >= 0) { found = true; }
+ });
+ return !found;
+ });
+
+ return config.regions;
+ };
+
+ c3_chart_fn.data = function (targetIds) {
+ var targets = this.internal.data.targets;
+ return typeof targetIds === 'undefined' ? targets : targets.filter(function (t) {
+ return [].concat(targetIds).indexOf(t.id) >= 0;
+ });
+ };
+ c3_chart_fn.data.shown = function (targetIds) {
+ return this.internal.filterTargetsToShow(this.data(targetIds));
+ };
+ c3_chart_fn.data.values = function (targetId) {
+ var targets, values = null;
+ if (targetId) {
+ targets = this.data(targetId);
+ values = targets[0] ? targets[0].values.map(function (d) { return d.value; }) : null;
+ }
+ return values;
+ };
+ c3_chart_fn.data.names = function (names) {
+ this.internal.clearLegendItemTextBoxCache();
+ return this.internal.updateDataAttributes('names', names);
+ };
+ c3_chart_fn.data.colors = function (colors) {
+ return this.internal.updateDataAttributes('colors', colors);
+ };
+ c3_chart_fn.data.axes = function (axes) {
+ return this.internal.updateDataAttributes('axes', axes);
+ };
+
+ c3_chart_fn.category = function (i, category) {
+ var $$ = this.internal, config = $$.config;
+ if (arguments.length > 1) {
+ config.axis_x_categories[i] = category;
+ $$.redraw();
+ }
+ return config.axis_x_categories[i];
+ };
+ c3_chart_fn.categories = function (categories) {
+ var $$ = this.internal, config = $$.config;
+ if (!arguments.length) { return config.axis_x_categories; }
+ config.axis_x_categories = categories;
+ $$.redraw();
+ return config.axis_x_categories;
+ };
+
+ // TODO: fix
+ c3_chart_fn.color = function (id) {
+ var $$ = this.internal;
+ return $$.color(id); // more patterns
+ };
+
+ c3_chart_fn.x = function (x) {
+ var $$ = this.internal;
+ if (arguments.length) {
+ $$.updateTargetX($$.data.targets, x);
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
+ }
+ return $$.data.xs;
+ };
+ c3_chart_fn.xs = function (xs) {
+ var $$ = this.internal;
+ if (arguments.length) {
+ $$.updateTargetXs($$.data.targets, xs);
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
+ }
+ return $$.data.xs;
+ };
+
+ c3_chart_fn.axis = function () {};
+ c3_chart_fn.axis.labels = function (labels) {
+ var $$ = this.internal;
+ if (arguments.length) {
+ Object.keys(labels).forEach(function (axisId) {
+ $$.axis.setLabelText(axisId, labels[axisId]);
+ });
+ $$.axis.updateLabels();
+ }
+ // TODO: return some values?
+ };
+ c3_chart_fn.axis.max = function (max) {
+ var $$ = this.internal, config = $$.config;
+ if (arguments.length) {
+ if (typeof max === 'object') {
+ if (isValue(max.x)) { config.axis_x_max = max.x; }
+ if (isValue(max.y)) { config.axis_y_max = max.y; }
+ if (isValue(max.y2)) { config.axis_y2_max = max.y2; }
+ } else {
+ config.axis_y_max = config.axis_y2_max = max;
+ }
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
+ } else {
+ return {
+ x: config.axis_x_max,
+ y: config.axis_y_max,
+ y2: config.axis_y2_max
+ };
+ }
+ };
+ c3_chart_fn.axis.min = function (min) {
+ var $$ = this.internal, config = $$.config;
+ if (arguments.length) {
+ if (typeof min === 'object') {
+ if (isValue(min.x)) { config.axis_x_min = min.x; }
+ if (isValue(min.y)) { config.axis_y_min = min.y; }
+ if (isValue(min.y2)) { config.axis_y2_min = min.y2; }
+ } else {
+ config.axis_y_min = config.axis_y2_min = min;
+ }
+ $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true});
+ } else {
+ return {
+ x: config.axis_x_min,
+ y: config.axis_y_min,
+ y2: config.axis_y2_min
+ };
+ }
+ };
+ c3_chart_fn.axis.range = function (range) {
+ if (arguments.length) {
+ if (isDefined(range.max)) { this.axis.max(range.max); }
+ if (isDefined(range.min)) { this.axis.min(range.min); }
+ } else {
+ return {
+ max: this.axis.max(),
+ min: this.axis.min()
+ };
+ }
+ };
+
+ c3_chart_fn.legend = function () {};
+ c3_chart_fn.legend.show = function (targetIds) {
+ var $$ = this.internal;
+ $$.showLegend($$.mapToTargetIds(targetIds));
+ $$.updateAndRedraw({withLegend: true});
+ };
+ c3_chart_fn.legend.hide = function (targetIds) {
+ var $$ = this.internal;
+ $$.hideLegend($$.mapToTargetIds(targetIds));
+ $$.updateAndRedraw({withLegend: true});
+ };
+
+ c3_chart_fn.resize = function (size) {
+ var $$ = this.internal, config = $$.config;
+ config.size_width = size ? size.width : null;
+ config.size_height = size ? size.height : null;
+ this.flush();
+ };
+
+ c3_chart_fn.flush = function () {
+ var $$ = this.internal;
+ $$.updateAndRedraw({withLegend: true, withTransition: false, withTransitionForTransform: false});
+ };
+
+ c3_chart_fn.destroy = function () {
+ var $$ = this.internal;
+
+ window.clearInterval($$.intervalForObserveInserted);
+
+ if ($$.resizeTimeout !== undefined) {
+ window.clearTimeout($$.resizeTimeout);
+ }
+
+ if (window.detachEvent) {
+ window.detachEvent('onresize', $$.resizeFunction);
+ } else if (window.removeEventListener) {
+ window.removeEventListener('resize', $$.resizeFunction);
+ } else {
+ var wrapper = window.onresize;
+ // check if no one else removed our wrapper and remove our resizeFunction from it
+ if (wrapper && wrapper.add && wrapper.remove) {
+ wrapper.remove($$.resizeFunction);
+ }
+ }
+
+ $$.selectChart.classed('c3', false).html("");
+
+ // MEMO: this is needed because the reference of some elements will not be released, then memory leak will happen.
+ Object.keys($$).forEach(function (key) {
+ $$[key] = null;
+ });
+
+ return null;
+ };
+
+ c3_chart_fn.tooltip = function () {};
+ c3_chart_fn.tooltip.show = function (args) {
+ var $$ = this.internal, index, mouse;
+
+ // determine mouse position on the chart
+ if (args.mouse) {
+ mouse = args.mouse;
+ }
+
+ // determine focus data
+ if (args.data) {
+ if ($$.isMultipleX()) {
+ // if multiple xs, target point will be determined by mouse
+ mouse = [$$.x(args.data.x), $$.getYScale(args.data.id)(args.data.value)];
+ index = null;
+ } else {
+ // TODO: when tooltip_grouped = false
+ index = isValue(args.data.index) ? args.data.index : $$.getIndexByX(args.data.x);
+ }
+ }
+ else if (typeof args.x !== 'undefined') {
+ index = $$.getIndexByX(args.x);
+ }
+ else if (typeof args.index !== 'undefined') {
+ index = args.index;
+ }
+
+ // emulate mouse events to show
+ $$.dispatchEvent('mouseover', index, mouse);
+ $$.dispatchEvent('mousemove', index, mouse);
+
+ $$.config.tooltip_onshow.call($$, args.data);
+ };
+ c3_chart_fn.tooltip.hide = function () {
+ // TODO: get target data by checking the state of focus
+ this.internal.dispatchEvent('mouseout', 0);
+
+ this.internal.config.tooltip_onhide.call(this);
+ };
+
+ // Features:
+ // 1. category axis
+ // 2. ceil values of translate/x/y to int for half pixel antialiasing
+ // 3. multiline tick text
+ var tickTextCharSize;
+ function c3_axis(d3, params, $$) {
+ var scale = d3.scale.linear(), orient = "bottom", innerTickSize = $$.config.innerTickSize*$$.config.completeScale, outerTickSize, tickPadding = 3*$$.config.completeScale, tickValues = null, tickFormat, tickArguments;
+
+ var tickOffset = 0, tickCulling = true, tickCentered;
+
+ params = params || {};
+ params.$$ = $$;
+ outerTickSize = params.withOuterTick ? 3*$$.config.completeScale : 0;
+
+ function axisX(selection, x) {
+ selection.attr("transform", function (d) {
+ return "translate(" + Math.ceil(x(d) + tickOffset) + ", 0)";
+ });
+ }
+ function axisY(selection, y) {
+ selection.attr("transform", function (d) {
+ return "translate(0," + Math.ceil(y(d)) + ")";
+ });
+ }
+ function scaleExtent(domain) {
+ var start = domain[0], stop = domain[domain.length - 1];
+ return start < stop ? [ start, stop ] : [ stop, start ];
+ }
+ function generateTicks(scale) {
+ var i, domain, ticks = [];
+ if (scale.ticks) {
+ return scale.ticks.apply(scale, tickArguments);
+ }
+ domain = scale.domain();
+ for (i = Math.ceil(domain[0]); i < domain[1]; i++) {
+ ticks.push(i);
+ }
+ if (ticks.length > 0 && ticks[0] > 0) {
+ ticks.unshift(ticks[0] - (ticks[1] - ticks[0]));
+ }
+ return ticks;
+ }
+ function copyScale() {
+ var newScale = scale.copy(), domain;
+ if (params.isCategory) {
+ domain = scale.domain();
+ newScale.domain([domain[0], domain[1] - 1]);
+ }
+ return newScale;
+ }
+ function textFormatted(v) {
+ var formatted = tickFormat ? tickFormat(v) : v;
+ return typeof formatted !== 'undefined' ? formatted : '';
+ }
+ function getSizeFor1Char(tick) {
+ if (tickTextCharSize) {
+ return tickTextCharSize;
+ }
+ var size = {
+ h: 11.5,
+ w: 5.5
+ };
+ tick.select('text').text(textFormatted).each(function (d) {
+ var box = this.getBoundingClientRect(),
+ text = '' + textFormatted(d),
+ h = box.height,
+ w = text ? (box.width / text.length) : undefined;
+ if (h && w) {
+ size.h = h;
+ size.w = w;
+ }
+ }).text('');
+ tickTextCharSize = size;
+ return size;
+ }
+ function transitionise(selection) {
+ return params.withoutTransition ? selection : d3.transition(selection);
+ }
+ function axis(g) {
+ g.each(function () {
+ var g = axis.g = d3.select(this);
+
+ var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = copyScale();
+
+ var ticks = tickValues ? tickValues : generateTicks(scale1),
+ tick = g.selectAll(".tick").data(ticks, scale1),
+ tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6),
+ // MEMO: No exit transition. The reason is this transition affects max tick width calculation because old tick will be included in the ticks.
+ tickExit = tick.exit().remove(),
+ tickUpdate = transitionise(tick).style("opacity", 1),
+ tickTransform, tickX, tickY;
+
+ var range = scale.rangeExtent ? scale.rangeExtent() : scaleExtent(scale.range()),
+ path = g.selectAll(".domain").data([ 0 ]),
+ pathUpdate = (path.enter().append("path").attr("class", "domain"), transitionise(path));
+ tickEnter.append("line");
+ tickEnter.append("text");
+
+ var lineEnter = tickEnter.select("line"),
+ lineUpdate = tickUpdate.select("line"),
+ textEnter = tickEnter.select("text"),
+ textUpdate = tickUpdate.select("text");
+
+ if (params.isCategory) {
+ tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2);
+ tickX = tickCentered ? 0 : tickOffset;
+ tickY = tickCentered ? tickOffset : 0;
+ } else {
+ tickOffset = tickX = 0;
+ }
+
+ var text, tspan, sizeFor1Char = getSizeFor1Char(g.select('.tick')), counts = [];
+ var tickLength = Math.max(innerTickSize, 0) + tickPadding,
+ isVertical = orient === 'left' || orient === 'right';
+
+ // this should be called only when category axis
+ function splitTickText(d, maxWidth) {
+ var tickText = textFormatted(d),
+ subtext, spaceIndex, textWidth, splitted = [];
+
+ if (Object.prototype.toString.call(tickText) === "[object Array]") {
+ return tickText;
+ }
+
+ if (!maxWidth || maxWidth <= 0) {
+ maxWidth = isVertical ? 95 : params.isCategory ? (Math.ceil(scale1(ticks[1]) - scale1(ticks[0])) - 12) : 110;
+ }
+
+ function split(splitted, text) {
+ spaceIndex = undefined;
+ for (var i = 1; i < text.length; i++) {
+ if (text.charAt(i) === ' ') {
+ spaceIndex = i;
+ }
+ subtext = text.substr(0, i + 1);
+ textWidth = sizeFor1Char.w * subtext.length;
+ // if text width gets over tick width, split by space index or crrent index
+ if (maxWidth < textWidth) {
+ return split(
+ splitted.concat(text.substr(0, spaceIndex ? spaceIndex : i)),
+ text.slice(spaceIndex ? spaceIndex + 1 : i)
+ );
+ }
+ }
+ return splitted.concat(text);
+ }
+
+ return split(splitted, tickText + "");
+ }
+
+ function tspanDy(d, i) {
+ var dy = sizeFor1Char.h;
+ if (i === 0) {
+ if (orient === 'left' || orient === 'right') {
+ dy = -((counts[d.index] - 1) * (sizeFor1Char.h / 2) - 5.5*params.$$.config.completeScale);
+ } else {
+ dy = ".71em";
+ }
+ }
+ return dy;
+ }
+
+ function tickSize(d) {
+ var tickPosition = scale(d) + (tickCentered ? 0 : tickOffset);
+ return range[0] < tickPosition && tickPosition < range[1] ? innerTickSize : 0;
+ }
+
+ text = tick.select("text");
+ tspan = text.selectAll('tspan')
+ .data(function (d, i) {
+ var splitted = params.tickMultiline ? splitTickText(d, params.tickWidth) : [].concat(textFormatted(d));
+ counts[i] = splitted.length;
+ return splitted.map(function (s) {
+ return { index: i, splitted: s };
+ });
+ });
+ tspan.enter().append('tspan');
+ tspan.exit().remove();
+
+ if (!isVertical && params.$$.config.noxticks || isVertical && params.$$.config.noyticks) {
+ //TODO: maybe put this in an option
+ //innerTickSize = 0;
+ //outerTickSize = 0;
+ } else {
+ tspan.text(function (d) { return d.splitted; });
+ }
+
+ var rotate = params.tickTextRotate;
+
+ function textAnchorForText(rotate) {
+ if (!rotate) {
+ return 'middle';
+ }
+ return rotate > 0 ? "start" : "end";
+ }
+ function textTransform(rotate) {
+ if (!rotate) {
+ return '';
+ }
+ return "rotate(" + rotate + ")";
+ }
+ function dxForText(rotate) {
+ if (!rotate) {
+ return 0;
+ }
+ return tickLength * Math.sin(Math.PI * (rotate / 180));
+ }
+ function yForText(rotate) {
+ if (!rotate) {
+ return tickLength + params.$$.config.completeScale*0.5;
+ }
+ return tickLength - params.$$.config.completeScale*9.5 + params.$$.config.completeScale*10 * Math.cos(Math.PI * (rotate / 180));
+ }
+
+ switch (orient) {
+ case "bottom":
+ {
+ tickTransform = axisX;
+ lineEnter.attr("y2", innerTickSize);
+ textEnter.attr("y", tickLength);
+ lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize);
+ textUpdate.attr("x", 0).attr("y", yForText(rotate))
+ .style("text-anchor", textAnchorForText(rotate))
+ .attr("transform", textTransform(rotate));
+ tspan.attr('x', 0).attr("dy", tspanDy).attr('dx', dxForText(rotate));
+ pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize);
+ break;
+ }
+ case "top":
+ {
+ // TODO: rotated tick text
+ tickTransform = axisX;
+ lineEnter.attr("y2", -innerTickSize);
+ textEnter.attr("y", -tickLength);
+ lineUpdate.attr("x2", 0).attr("y2", -innerTickSize);
+ textUpdate.attr("x", 0).attr("y", -tickLength);
+ text.style("text-anchor", "middle");
+ tspan.attr('x', 0).attr("dy", "0em");
+ pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize);
+ break;
+ }
+ case "left":
+ {
+ tickTransform = axisY;
+ lineEnter.attr("x2", -innerTickSize);
+ textEnter.attr("x", -tickLength);
+ lineUpdate.attr("x2", -innerTickSize).attr("y1", tickY).attr("y2", tickY);
+ textUpdate.attr("x", -tickLength).attr("y", tickOffset);
+ text.style("text-anchor", "end");
+ tspan.attr('x', -tickLength).attr("dy", tspanDy);
+ pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize);
+ break;
+ }
+ case "right":
+ {
+ tickTransform = axisY;
+ lineEnter.attr("x2", innerTickSize);
+ textEnter.attr("x", tickLength);
+ lineUpdate.attr("x2", innerTickSize).attr("y2", 0);
+ textUpdate.attr("x", tickLength).attr("y", 0);
+ text.style("text-anchor", "start");
+ tspan.attr('x', tickLength).attr("dy", tspanDy);
+ pathUpdate.attr("d", "M" + outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + outerTickSize);
+ break;
+ }
+ }
+ if (scale1.rangeBand) {
+ var x = scale1, dx = x.rangeBand() / 2;
+ scale0 = scale1 = function (d) {
+ return x(d) + dx;
+ };
+ } else if (scale0.rangeBand) {
+ scale0 = scale1;
+ } else {
+ tickExit.call(tickTransform, scale1);
+ }
+ tickEnter.call(tickTransform, scale0);
+ tickUpdate.call(tickTransform, scale1);
+ });
+ }
+ axis.scale = function (x) {
+ if (!arguments.length) { return scale; }
+ scale = x;
+ return axis;
+ };
+ axis.orient = function (x) {
+ if (!arguments.length) { return orient; }
+ orient = x in {top: 1, right: 1, bottom: 1, left: 1} ? x + "" : "bottom";
+ return axis;
+ };
+ axis.tickFormat = function (format) {
+ if (!arguments.length) { return tickFormat; }
+ tickFormat = format;
+ return axis;
+ };
+ axis.tickCentered = function (isCentered) {
+ if (!arguments.length) { return tickCentered; }
+ tickCentered = isCentered;
+ return axis;
+ };
+ axis.tickOffset = function () {
+ return tickOffset;
+ };
+ axis.tickInterval = function () {
+ var interval, length;
+ if (params.isCategory) {
+ interval = tickOffset * 2;
+ }
+ else {
+ length = axis.g.select('path.domain').node().getTotalLength() - outerTickSize * 2;
+ interval = length / axis.g.selectAll('line').size();
+ }
+ return interval === Infinity ? 0 : interval;
+ };
+ axis.ticks = function () {
+ if (!arguments.length) { return tickArguments; }
+ tickArguments = arguments;
+ return axis;
+ };
+ axis.tickCulling = function (culling) {
+ if (!arguments.length) { return tickCulling; }
+ tickCulling = culling;
+ return axis;
+ };
+ axis.tickValues = function (x) {
+ if (typeof x === 'function') {
+ tickValues = function () {
+ return x(scale.domain());
+ };
+ }
+ else {
+ if (!arguments.length) { return tickValues; }
+ tickValues = x;
+ }
+ return axis;
+ };
+ return axis;
+ }
+
+ c3_chart_internal_fn.isSafari = function () {
+ var ua = window.navigator.userAgent;
+ return ua.indexOf('Safari') >= 0 && ua.indexOf('Chrome') < 0;
+ };
+ c3_chart_internal_fn.isChrome = function () {
+ var ua = window.navigator.userAgent;
+ return ua.indexOf('Chrome') >= 0;
+ };
+
+ if (typeof define === 'function' && define.amd) {
+ define("c3", ["d3"], function () { return c3; });
+ } else if ('undefined' !== typeof exports && 'undefined' !== typeof module) {
+ module.exports = c3;
+ } else {
+ window.c3 = c3;
+ }
+
+})(window);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-08 15:25:20 +0000