TaskJuggler::ReportTableLegend

    # File lib/reports/ReportTableLegend.rb, line 23
23:     def initialize
24:       @showGanttItems = false
25:       @ganttItems = []
26:       @calendarItems = []
27:     end

    # File lib/reports/ReportTableLegend.rb, line 37
37:     def addCalendarItem(text, color)
38:       unless @calendarItems.include?([ text, color ])
39:         @calendarItems << [ text, color ]
40:       end
41:     end

    # File lib/reports/ReportTableLegend.rb, line 31
31:     def addGanttItem(text, color)
32:       @ganttItems << [ text, color ] unless @ganttItems.include?([ text, color ])
33:     end

    # File lib/reports/ReportTableLegend.rb, line 44
44:     def to_html
45:       return nil if !@showGanttItems && @ganttItems.empty? &&
46:                     @calendarItems.empty?
47: 
48:       frame = XMLElement.new('div', 'class' => 'tj_table_legend_frame')
49:       frame << (legend = XMLElement.new('table', 'class' => 'tj_table_legend',
50:                                                  'cellspacing' => '1'))
51: 
52:       legend << headlineToHTML('Gantt Chart Symbols:')
53:       # Generate the Gantt chart symbols
54:       if @showGanttItems
55:         legend << (row = XMLElement.new('tr', 'class' => 'tj_legend_row'))
56: 
57:         row << ganttItemToHTML(GanttContainer.new(nil, 0, 15, 10, 35, 0),
58:                                'Container Task', 40)
59:         row << ganttItemToHTML(GanttTaskBar.new(nil, 0, 15, 5, 35, 0),
60:                                'Normal Task', 40)
61:         row << ganttItemToHTML(GanttMilestone.new(nil, 15, 10, 0),
62:                                'Milestone', 20)
63:         row << XMLElement.new('td', 'class' => 'tj_legend_spacer')
64:       end
65: 
66:       legend << itemsToHTML(@ganttItems)
67: 
68:       legend << headlineToHTML('Calendar Symbols:')
69:       legend << itemsToHTML(@calendarItems)
70: 
71:       frame
72:     end

     # File lib/reports/ReportTableLegend.rb, line 90
 90:     def ganttItemToHTML(itemRef, name, width)
 91:       cells = []
 92:       # Empty cell for margin first.
 93:       cells << (item = XMLElement.new('td', 'class' => 'tj_legend_spacer'))
 94:       # The symbol cell
 95:       cells << (item = XMLElement.new('td', 'class' => 'tj_legend_item'))
 96:       item << (symbol = XMLElement.new('div', 'class' => 'tj_legend_symbol',
 97:                                        'style' => 'top:3px'))
 98:       symbol << itemRef.to_html
 99:       # The label cell
100:       cells << (item = XMLElement.new('td', 'class' => 'tj_legend_item'))
101:       item << (label = XMLElement.new('div', 'class' => 'tj_legend_label'))
102:       label << XMLText.new(name)
103: 
104:       cells
105:     end

    # File lib/reports/ReportTableLegend.rb, line 80
80:     def headlineToHTML(text)
81:       unless @calendarItems.empty? || @ganttItems.empty?
82:         div = XMLElement.new('tr', 'class' => 'tj_legend_headline')
83:         div << XMLNamedText.new(text, 'td', 'colspan' => '10')
84:         return div
85:       end
86:       nil
87:     end

     # File lib/reports/ReportTableLegend.rb, line 108
108:     def itemToHTML(itemRef)
109:       cells = []
110:       # Empty cell for margin first.
111:       cells << XMLElement.new('td', 'class' => 'tj_legend_spacer')
112:       # The symbol cell
113:       cells << (item = XMLElement.new('td', 'class' => 'tj_legend_item'))
114:       item << (symbol = XMLElement.new('div', 'class' => 'tj_legend_symbol'))
115:       symbol << (box = XMLElement.new('div',
116:                                       'style' => 'position:relative; ' +
117:                                                  'top:2px;' +
118:                                                  'width:20px; height:15px'))
119:       box << (div = XMLElement.new('div', 'class' => 'loadstackframe',
120:                                    'style' => 'position:absolute; ' +
121:                                    'left:5px; width:16px; height:15px;'))
122:       div << XMLElement.new('div', 'class' => "#{itemRef[1]}",
123:                             'style' => 'position:absolute; ' +
124:                                        'left:1px; top:1px; ' +
125:                                        'width:14px; height:13px;')
126:       # The label cell
127:       cells << (item = XMLElement.new('td', 'class' => 'tj_legend_item'))
128:       item << (label = XMLElement.new('div', 'class' => 'tj_legend_label'))
129:       label << XMLText.new(itemRef[0])
130: 
131:       cells
132:     end

     # File lib/reports/ReportTableLegend.rb, line 135
135:     def itemsToHTML(items)
136:       rows = []
137:       row = nil
138:       gridCells = ((items.length / 3) + (items.length % 3 != 0 ? 1 : 0)) * 3
139:       gridCells.times do |i|
140:         # We show no more than 3 items in a row.
141:         if i % 3 == 0
142:           rows << (row = XMLElement.new('tr', 'class' => 'tj_legend_row'))
143:         end
144: 
145:         # If we run out of items before the line is filled, we just insert
146:         # empty cells to fill the line.
147:         if i < items.length
148:           row << itemToHTML(items[i])
149:         else
150:           row << XMLElement.new('td', 'class' => 'tj_legend_item',
151:                                       'colspan' => '3')
152:         end
153:         if (i + 1) % 3 == 0
154:           # Append an empty cell at the end of each row.
155:           row << XMLElement.new('td', 'class' => 'tj_legend_spacer')
156:         end
157:       end
158:       rows
159:     end