Class: PxGraphViz

Inherits:
GraphVizML
  • Object
show all
Defined in:
lib/pxgraphviz.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(s, style: nil, debug: false, fill: '#778833', stroke: '#999999', text_color: '#ffeecc') ⇒ PxGraphViz

Returns a new instance of PxGraphViz.



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# File 'lib/pxgraphviz.rb', line 15

def initialize(s, style: nil, debug: false, fill: '#778833', 
               stroke: '#999999', text_color: '#ffeecc')

  @px = s =~ /^<\?/ ? Polyrex.new.import(s) : Polyrex.new(s)

  @type = @px.summary[:type] == 'digraph' ? 'dir: forward;' : 'dir: none;'
  @shape = @px.summary[:shape] || 'ellipse;'
  
  style ||= default_stylesheet()
  doc = Rexslt.new(xslt_stylesheet(), @px.to_xml)\
      .to_doc.root.element('nodes')
  
  doc.root.elements.first.insert_before Rexle::Element.new('style')\
      .add_text style
  @doc = doc
  puts 'pxgraphviz: before super'.info if debug

  super(doc, debug: debug, fill: fill, 
               stroke: stroke, text_color: text_color)
  
  @css = "
    .node ellipse {stroke: #{stroke}; fill: #{fill}}
    .node text {fill: #{text_color}}
    .edge path {stroke: #{stroke}}
    .edge polygon {stroke: #{stroke}; fill: #{stroke}}
  "
  
end

Instance Attribute Details

#doc ⇒ Object (readonly)

Returns the value of attribute doc.



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# File 'lib/pxgraphviz.rb', line 13

def doc
  @doc
end

#px ⇒ Object (readonly)

Returns the value of attribute px.



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# File 'lib/pxgraphviz.rb', line 13

def px
  @px
end