Class: TaskJuggler::ColumnTable

Inherits:
ReportTable show all
Defined in:
lib/taskjuggler/reports/ColumnTable.rb

Overview

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.

Constant Summary

Constants inherited from ReportTable

ReportTable::SCROLLBARHEIGHT

Instance Attribute Summary collapse

Attributes inherited from ReportTable

#auxDir, #embedded, #equiLines, #headerFontSize, #headerLineHeight, #maxIndent, #selfcontained

Instance Method Summary collapse

Methods inherited from ReportTable

#addColumn, #addLine, #lines, #minWidth, #to_csv

Constructor Details

#initialize ⇒ ColumnTable

Create a new ColumnTable object.



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# File 'lib/taskjuggler/reports/ColumnTable.rb', line 26

def initialize
  super
  # The user requested width of the column (chart)
  @viewWidth = nil
  # The header will have 2 lines. So, use a smaller font. This should match
  # the font size used for the GanttChart header.
  @headerFontSize = 10
  # This is an embedded table.
  @embedded = true
end

Instance Attribute Details

#viewWidth=(value) ⇒ Object (writeonly)

Sets the attribute viewWidth

Parameters:

  • value —

    the value to set the attribute viewWidth to.



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# File 'lib/taskjuggler/reports/ColumnTable.rb', line 23

def viewWidth=(value)
  @viewWidth = value
end

Instance Method Details

#to_html ⇒ Object 



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# File 'lib/taskjuggler/reports/ColumnTable.rb', line 37

def to_html
  height = 2 * @headerLineHeight + 1
  @lines.each do |line|
    # Add line height plus 1 pixel padding
    height += line.height + 1
  end

  # Since we don't know the resulting width of the column, we need to always
  # add an extra space for the scrollbar.
  td = XMLElement.new('td', 'rowspan' => "#{2 + @lines.length + 1}",
    'style' => 'padding:0px; vertical-align:top;')
  # Now we generate a 'div' that will contain the nested table. It has a
  # height that fits all lines but has a maximum width. In case the embedded
  # table is larger, a scrollbar will appear. We assume that the scrollbar
  # has a height of SCROLLBARHEIGHT pixels or less.
  # If there is a user specified with, use it. Otherwise use the
  # calculated minimum with.
  width = @viewWidth ? @viewWidth : minWidth
  td << (scrollDiv = XMLElement.new('div', 'class' => 'tabback',
    'style' => 'position:relative; overflow:auto; ' +
               "width:#{width}px; " +
               'margin-top:-1px; margin-bottom:-1px; ' +
               "height:#{height + SCROLLBARHEIGHT + 2}px;"))

  scrollDiv << (contentDiv = XMLElement.new('div',
    'style' => 'margin: 0px; padding: 0px; position: absolute; top: 0px;' +
               "left: 0px; width: #{@viewWidth}px; height: #{height}px; "))
  contentDiv << super
  td
end