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% Copyright 2005 2015 Ovidiu Gheorghies
% Licensed under the Apache License, Version 2.0.
if known _metauml_activity_mp:
expandafter endinput
fi;
_metauml_activity_mp:=1;
% Sadly, this copy of the macro is needed to prevent multiple file loads being shown by MetaPost.
% The guard values (such as _metauml_mp) do ensure that the file isn't loaded multiple times,
% but this macro makes sure that MetaPost won't try to load the file and display a message for that.
def inputonce text libraryFile=
if not known scantokens ("_" & str libraryFile & "_mp"):
%includeonce% show "Loading " & str libraryFile;
scantokens ("input " & str libraryFile);
else:
%includeonce% show str libraryFile & " already loaded.";
fi;
enddef;
inputonce metauml_defaults;
inputonce util_log;
vardef ActivityInfo@#=
attributes(@#);
var(color) foreColor, borderColor;
FontInfo.@#iFont(metauml_defaultFont, defaultscale);
@#iFont.ignoreNegativeBase := 1;
PictureInfo.@#iText (2, 2, 2, 2)(@#iFont);
PictureStackInfo.@#iStack (2, 2, 2, 2)(9)(@#iText);
@#iStack.iPict.ignoreNegativeBase := 1;
Margins.@#(2,2,2,2);
@#fat := 5;
ShadeInfo.@#iShade;
@#foreColor := .9white;
@#borderColor := black;
enddef;
vardef ActivityInfoCopy@#(text src)=
log "ActivityInfoCopy: Copying activity info";
attributes(@#);
var(color) foreColor, borderColor;
PictureStackInfoCopy.@#iStack (src.iStack);
MarginsCopy.@#(src);
@#fat := src.fat;
ShadeInfoCopy.@#iShade(src.iShade);
@#foreColor := src.foreColor;
@#borderColor := src.borderColor;
enddef;
ActivityInfo.iActivity;
vardef Activity@#(text contents)=
EActivity.@#(iActivity)(contents);
enddef;
vardef EActivity@#(text _info)(text contents)=
ObjectEquations(@#);
@#className := "Activity";
ActivityInfoCopy.@#info(_info);
numeric @#nLines; @#nLines := 0;
string @#lines[];
for l=contents:
@#lines[@#nLines] := l;
@#nLines := @#nLines + 1;
endfor;
EPictureStack.@#stack(@#info.iStack)(scantokens listArray(@#lines)(@#nLines))("vcenterbase");
enddef;
vardef Activity_layout@#=
if @#laidout = 1:
log "Activity " & (str @#) & " has already been layed out";
else:
@#laidout := 1;
PictureStack_layout.@#stack;
@#width = @#stack.width + @#info.left + @#info.right + 2 * @#info.fat;
@#height = @#stack.height + @#info.top + @#info.bottom;
@#c = @#stack.c;
pair @#urt, @#lrt, @#ulft, @#llft;
@#urt := @#ne - (@#info.fat, 0);
@#lrt := @#se - (@#info.fat, 0);
@#ulft := @#nw + (@#info.fat, 0);
@#llft := @#sw + (@#info.fat, 0);
fi;
enddef;
vardef Activity_draw@#=
Activity_layout@#;
objectEnsurePositioning.@#;
attributes(@#);
var(path) border;
@#border := @#ulft -- @#urt .. @#e .. @#lrt -- @#llft .. @#w .. cycle;
drawObjectShade(@#);
fill @#border withcolor @#info.foreColor;
draw @#border withcolor @#info.borderColor;
drawObject(@#stack);
enddef;
vardef Activity_border@#=
@#border
enddef;
vardef BranchInfo@#=
@#width := 10;
@#height := 10;
numeric @#shade;
color @#shadeColor, @#foreColor;
@#shade := .3;
@#shadeColor := .6white;
@#foreColor := white;
enddef;
BranchInfo.iBranch;
vardef Branch@#=
ObjectEquations(@#);
@#className := "Branch";
@#width = iBranch.width;
@#height = iBranch.height;
enddef;
vardef Branch_layout@#=
% nothing to do
enddef;
vardef Branch_draw@#=
objectEnsurePositioning.@#;
path @#border;
@#border := @#n -- @#e -- @#s -- @#w -- cycle;
fill @#border shifted (iBranch.shade, -iBranch.shade) withcolor iBranch.shadeColor;
fill @#border withcolor iBranch.foreColor;
draw @#border;
enddef;
vardef Branch_border@#=
@#border
enddef;
vardef ForkInfo@#=
@#thickness := 3;
numeric @#shade;
color @#shadeColor, @#foreColor;
@#shade := .3;
@#shadeColor := .6white;
@#foreColor := black;
enddef;
ForkInfo.iFork;
vardef Fork@#(expr orientation, length)=
ObjectEquations(@#);
@#className := "Fork";
if (orientation="h") or (orientation="horiz") or (orientation="horizontal"):
@#width = length;
@#height = iFork.thickness;
else:
@#height = length;
@#width = iFork.thickness;
fi;
enddef;
vardef Fork_layout@#=
% nothing to do
enddef;
vardef Fork_draw@#=
objectEnsurePositioning.@#;
path @#border;
@#border := @#nw -- @#ne -- @#se -- @#sw -- cycle;
fill @#border shifted (iFork.shade, -iFork.shade) withcolor iFork.shadeColor;
fill @#border withcolor iFork.foreColor;
enddef;
vardef Fork_border@#=
@#border
enddef;
defaultTransitionHeadWidth := 15;
defaultTransitionHeadHeight := 5;
vardef TransitionInfo@# =
LinkInfo@#;
@#widthA = 0;
@#heightA = 0;
@#drawMethodA = "drawNothing";
@#widthB = defaultTransitionHeadWidth;
@#heightB = defaultTransitionHeadHeight;
@#drawMethodB = "drawArrow";
@#drawMethod = "drawLine";
enddef;
TransitionInfo.transition;
FontInfo.guardFont(metauml_defaultFont, .7);
PictureInfo.iGuard(2, 2, 2, 2)(guardFont);
iGuard.ignoreNegativeBase := 1;
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