Class: TaskJuggler::GanttContainer

Inherits:
Object
  • Object
show all
Includes:
HTMLGraphics
Defined in:
lib/taskjuggler/reports/GanttContainer.rb

Overview

The GanttContainer represents a container task (task with sub-tasks).

Constant Summary collapse

@@size =

The size of the bars in pixels from center to top/bottom.

5

Instance Method Summary collapse

Methods included from HTMLGraphics

#arrowHeadToHTML, #diamondToHTML, #jagToHTML, #lineToHTML, #rectToHTML

Constructor Details

#initialize(lineHeight, xStart, xEnd, y) ⇒ GanttContainer

Create a GanttContainer object based on the following information: line is a reference to the GanttLine. xStart is the left edge of the task in chart coordinates. xEnd is the right edge. The container extends over the edges due to the shape of the jags.



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# File 'lib/taskjuggler/reports/GanttContainer.rb', line 31

def initialize(lineHeight, xStart, xEnd, y)
  @lineHeight = lineHeight
  @start = xStart
  @end = xEnd
  @y = y
end

Instance Method Details

#addBlockedZones(router) ⇒ Object 



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# File 'lib/taskjuggler/reports/GanttContainer.rb', line 60

def addBlockedZones(router)
  # Horizontal block
  router.addZone(@start - @@size, @y + (@lineHeight / 2) - @@size - 2,
                 @end - @start + 1 + 2 * @@size, 2 * @@size + 5, true,
                 false)
  # Block for arrowhead.
  router.addZone(@start - @@size - 9, @y + (@lineHeight / 2) - 7, 10, 15,
                 true, true)
  # Vertical block for end cap
  router.addZone(@start - @@size - 2, @y, 2 * @@size + 5, @lineHeight,
                 false, true)
  router.addZone(@end - @@size - 2, @y, 2 * @@size + 5, @lineHeight,
                 false, true)
end

#endDepLineEnd ⇒ Object

Return the point [ x, y ] where task end dependency lines should end at.



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# File 'lib/taskjuggler/reports/GanttContainer.rb', line 56

def endDepLineEnd
  [ @end, @y + @lineHeight / 2 ]
end

#endDepLineStart ⇒ Object

Return the point [ x, y ] where task end dependency lines should start from.



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# File 'lib/taskjuggler/reports/GanttContainer.rb', line 51

def endDepLineStart
  [ @end + @@size, @y + @lineHeight / 2 ]
end

#startDepLineEnd ⇒ Object

Return the point [ x, y ] where task start dependency lines should end at.



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# File 'lib/taskjuggler/reports/GanttContainer.rb', line 45

def startDepLineEnd
  [ @start - @@size, @y + @lineHeight / 2 ]
end

#startDepLineStart ⇒ Object

Return the point [ x, y ] where task start dependency lines should start from.



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# File 'lib/taskjuggler/reports/GanttContainer.rb', line 40

def startDepLineStart
  [ @start, @y + @lineHeight / 2 ]
end

#to_html ⇒ Object

Convert the abstact representation of the GanttContainer into HTML elements.



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# File 'lib/taskjuggler/reports/GanttContainer.rb', line 77

def to_html
  xStart = @start.to_i
  yCenter = (@lineHeight / 2).to_i
  width = @end.to_i - @start.to_i + 1

  html = []

  # Invisible trigger frame for tooltips.
  html << rectToHTML(xStart - @@size, 0, width + 2 * @@size, @lineHeight,
                     'tj_gantt_frame')

  # The bar
  html << rectToHTML(xStart - @@size, yCenter - @@size,
                     width + 2 * @@size, @@size, 'containerbar')
  # The left jag
  html << jagToHTML(xStart, yCenter)
  # The right jag
  html << jagToHTML(xStart + width, yCenter)

  html
end