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TaskJuggler::ColumnTable

This class is essentially a wrapper around ReportTable that allows us to embed a ReportTable object as a column of another ReportTable object. Both ReportTables must have the same number of lines.

Attributes

viewWidth[W]

Public Class Methods

new() click to toggle source

Create a new ColumnTable object.

    # File lib/reports/ColumnTable.rb, line 26
26:     def initialize
27:       super
28:       # The user requested width of the column (chart)
29:       @viewWidth = nil
30:       # The header will have 2 lines. So, use a smaller font. This should match
31:       # the font size used for the GanttChart header.
32:       @headerFontSize = 10
33:       # This is an embedded table.
34:       @embedded = true
35:     end

Public Instance Methods

to_html() click to toggle source
    # File lib/reports/ColumnTable.rb, line 37
37:     def to_html
38:       height = 2 * @headerLineHeight + 1
39:       @lines.each do |line|
40:         # Add line height plus 1 pixel padding
41:         height += line.height + 1
42:       end
43: 
44:       # Since we don't know the resulting width of the column, we need to always
45:       # add an extra space for the scrollbar.
46:       td = XMLElement.new('td', 'rowspan' => "#{2 + @lines.length + 1}",
47:         'style' => 'padding:0px; vertical-align:top;')
48:       # Now we generate a 'div' that will contain the nested table. It has a
49:       # height that fits all lines but has a maximum width. In case the embedded
50:       # table is larger, a scrollbar will appear. We assume that the scrollbar
51:       # has a height of SCROLLBARHEIGHT pixels or less.
52:       # If there is a user specified with, use it. Otherwise use the
53:       # calculated minimum with.
54:       width = @viewWidth ? @viewWidth : minWidth
55:       td << (scrollDiv = XMLElement.new('div', 'class' => 'tabback',
56:         'style' => 'position:relative; overflow:auto; ' +
57:                    "width:#{width}px; " +
58:                    'margin-top:-1px; margin-bottom:-1px; ' +
59:                    "height:#{height + SCROLLBARHEIGHT + 2}px;"))
60: 
61:       scrollDiv << (contentDiv = XMLElement.new('div',
62:         'style' => 'margin: 0px; padding: 0px; position: absolute; top: 0px;' +
63:                    "left: 0px; width: #{@viewWidth}px; height: #{height}px; "))
64:       contentDiv << super
65:       td
66:     end

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