summaryrefslogtreecommitdiff
path: root/macros/luatex/latex/semesterplannerlua/semesterplannerlua_timetable.lua
blob: 049644d291472ffdb9fb537874cdb290e6caa392 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
function init(opts)
    tex.print([[\newwrite\timetableATdataOutput \immediate\openout\timetableATdataOutput=\jobname-data.dat]])
    tex.print([[\immediate\write\timetableATdataOutput{return \iftrue\string{\else}\fi}]])
    if(not checkKeys(opts, {"days", "min", "max", "dayse"})) then
        error("missing argument")
    end
    -- clean up first
    -- global variables
    EVENTS={}
    DAYS  = prepareDays(opts.days) -- header with names of the days set from tex currently
    DAYSE = prepareDays(opts.dayse) -- day representation in source code
    MIN = 25*60 -- bigger than any allowed value could be
    MAX = 0
    MIN_BYPASS = false -- weather min is fixed by the user
    MAX_BYPASS = false -- weather max is fixed by the user

    if(opts.min == "") then
    else
        assert(opts.min:match("^%d+"), "start time has to be an integer representing the HH*60+MM of the desired start time")
        MIN = tonumber(opts.min)
        MIN_BYPASS = true
    end

    if(opts.max == "") then
    else
        assert(opts.max:match("^%d+"), "end time has to be an integer representing the HH*60+MM of the desired end time")
        MAX = tonumber(opts.max)
        MAX_BYPASS = true
    end
end

function defaultFormatter(opts)
    local ret = ""
    for k,v in pairs(opts) do
        if type(k) == "string" then k = k:gsub("[_^]", "") end
        if type(v) == "string" then v = v:gsub("[_^]", "") end
        ret = string.format("%s, %s: %s", ret, tostring(k), tostring(v))
    end
    -- print(ret)
    return ret
end

function timetableformatter(opts)
    return string.format(
        [[\textcolor{%s}{\textbf{%s}\\[.2em]\raggedright{%s}\\[0.5em]\raggedright{%s}\hfil\raggedright{%s}\\[0.5em]\raggedright{%s}}]],
            opts.textcolor, opts.title, opts.speaker, opts.prio, opts.location, opts.time)
end
-- result are the global variables EVENTS, MIN and MAX
function addEvent(opts)
    -- print("Reading event on line ", tex.inputlineno)
    opts.inputlineno = tex.inputlineno
    if(not checkKeys(opts, {"time", "day", "tikz"})) then
        error("missing argument")
    end

    if opts.content == nil then
        if opts.formatter == nil then
            opts.content = defaultFormatter(opts)
        else
            opts.content = opts.formatter(opts)
        end
    end

    opts.from,opts.to = dur2Int(opts.time)

    tex.print(string.format(
        [[\immediate\write\timetableATdataOutput{\unexpanded{{["start"]=%q, ["end"]=%q, ["title"]=%q, ["location"]=%q, ["password"]=%q, ["type"]=%q},}}]],
        opts.from + 24*60*day2Int(opts.day),
        opts.to + 24*60*day2Int(opts.day),
        opts.title,
        opts.location:match([[\href{(.*)}{.*}]]) or opts.location,
        opts.password,
        opts.type
    ))

    if(not MIN_BYPASS and opts.from < MIN) then MIN = opts.from end
    if(not MAX_BYPASS and opts.to   > MAX) then MAX = opts.to   end
    assert(opts.from < opts.to, "From has to be before to")

    table.insert(EVENTS, opts)
end
-- parameters are all global variables
function draw(length, width)
    -- copy relevant variables for working on local copies
    local events = copy_array(EVENTS)
    local days = copy_array(DAYS)
    local min, minH, max, maxH = prepareMinMax(MIN, MAX)

    assert(length:match("%d*%.?%d*"), "Length must be a valid length measured in cm")
    length = tonumber(length)

    textwidth = width

    tex.print([[\begin{tikzpicture}]])
    tex.print([[\tikzset{defStyle/.style={font=\tiny,anchor=north west,fill=blue!50,draw=black,rectangle}}]])
    -- print the tabular with the weekday headers
    tex.print(string.format(
        [[\foreach \week [count=\x from 0, evaluate=\x as \y using \x+0.5] in {%s}{ ]],
        table.concat(days, ",")
        )
    )
    tex.print(string.format(
        [[\node[anchor=south] at (\y/%d* %s, 0) {\week};]], #days, textwidth))
    tex.print(string.format(
        [[\draw (\x/%d * %s, 0cm) -- (\x/%d * %s, %dcm);]],
        #days,
        textwidth,
        #days,
        textwidth, -length
        )
    )
    tex.print("}")
    tex.print(string.format(
        [[\draw (%s, 0) -- (%s,%dcm);]],
        textwidth,
        textwidth,
        -length
        )
    )

    for i=minH,maxH do
        tex.print(string.format(
            [[\node[anchor=east] at (0,%fcm ) {%d:00};]],
            minuteToFrac(i*60,min,max)*-length, i
            )
        )
        tex.print(string.format(
            [[\draw (0,%fcm ) -- (%s,%fcm );]],
            minuteToFrac(i*60,min,max)*-length,
            textwidth,
            minuteToFrac(i*60,min,max)*-length
            )
        )
    end

    local d
    local red = 0.3333 -- calculated in em from inner sep
    local red_y = 0.25 -- calculated in em
    for _,e in ipairs(events) do
        if e.from < max and e.to > min then -- only draw if event is in scope (part of the comp is done in addEvent from < to
            if e.to   > max then e.to   = max end
            if e.from < min then e.from = min end
            -- print("Drawing event on line ", e.inputlineno)
            d = day2Int(e.day)
            tex.print(string.format(
                [[\node[defStyle,text width=-%fem+%f%s/%d, text depth=%fcm-%fem, text height=%fem, %s] at (%f*%s,%fcm) {%s};]],
                2*red, -- text width
                e.scale_width, -- text width
                textwidth,
                #days, -- text width
                length*(e.to-e.from)/(max-min), -- text depth
                2*red+red_y, -- text depth
                red_y, -- text height
                e.tikz, -- free tikz code
                (d+e.offset)/#days, -- xcoord
                textwidth,
                minuteToFrac(e.from,min,max)*-length, -- ycoord
                e.content -- content
                )
            )
        end
    end
    tex.print([[\end{tikzpicture}]])
    tex.print([[\immediate\write\timetableATdataOutput{\iffalse{\else\string}\fi}]])
end
function search_array(t, s)
    for k,v in ipairs(t) do
        if(v == s) then return k end
    end
    return nil
end

function minuteToFrac(minute, min, max)
    return (minute-min)/(max-min)
end
function prepareMinMax(min, max)
    local minH = math.floor(min/60)
    local maxH = math.ceil(max/60)
    local min = minH*60
    local max = maxH*60
    return min, minH, max, maxH
end
function checkKeys(t, k)
    for _,x in ipairs(k) do
        if(t[x] == nil) then
            return false
        end
    end
    return true
end
function dur2Int(clk)
    local f1,f2, t1,t2 = clk:match("^(%d%d?):(%d%d)-(%d%d?):(%d%d)$")
    if(f1 ~= nil and f2 ~= nil and t1 ~= nil and t2 ~= nil) then
        f1 = tonumber(f1) f2 = tonumber(f2)
        t1 = tonumber(t1) t2 = tonumber(t2)
        assert(f1 >= 0 and f1 < 24, "Hours have to be >= 0 && < 24")
        assert(f2 >= 0 and f2 < 60, "Mins have to be >= 0 && < 60")
        assert(t1 >= 0 and t1 < 24, "Hours have to be >= 0 && < 24")
        assert(t2 >= 0 and t2 < 60, "Mins have to be >= 0 && < 60")
        return f1*60 + f2, t1*60 + t2
    else
        error("clk string \"" .. clk .. "\" was no valid clock string")
    end
end
function prepareDays(days)
    local ret = {}
    for m in days:gmatch("[^,]+") do
        table.insert(ret, m)
    end
    return ret
end
function day2Int(day)
    return search_array(DAYSE, day) - 1
end

function copy_array(obj)
    if type(obj) ~= 'table' then return obj end
    local res = {}
    for k, v in pairs(obj) do
        local c = copy_array(v)
        res[copy_array(k)] = c
    end
    return res
end

semesterplannerLua = {
    init = init,
    addEvent = addEvent,
    draw = draw,
    day2Int = day2Int,
}
return semesterplannerLua