Class: Rubyvis::Panel

Inherits:
Bar show all
Defined in:
lib/rubyvis/mark/panel.rb

Direct Known Subclasses

Layout

Instance Attribute Summary collapse

Attributes inherited from Mark

#_properties, #binds, #child_index, #parent, #proto, #scale, #scene, #target

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Bar

#width

Methods inherited from Mark

#area, attr_accessor_dsl, #bar, #build, #build_properties, #context, #context_apply, #context_clear, #cousin, #delete_index, #dot, #event, #execute, #first, #image, index, #index, index=, #index=, #index_defined?, #instance, #instances, #label, #last, #layout_arc, #layout_cluster, #layout_grid, #layout_horizon, #layout_indent, #layout_matrix, #layout_pack, #layout_partition, #layout_partition_fill, #layout_stack, #layout_tree, #layout_treemap, #line, #margin, #mark_anchor, #mark_bind, #mark_build_implied, #mark_build_instance, #mark_build_properties, #mark_extend, mark_method, #panel, #properties, properties, property_method, #property_value, #render, #rule, scene, scene=, #sibling, stack, stack=, #wedge

Constructor Details

#initialize ⇒ Panel

Returns a new instance of Panel.



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# File 'lib/rubyvis/mark/panel.rb', line 14

def initialize
  @children=[]
  @root=self
  super
  
end

Instance Attribute Details

#_canvas ⇒ Object (readonly)

Returns the value of attribute _canvas.



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# File 'lib/rubyvis/mark/panel.rb', line 44

def _canvas
  @_canvas
end

#children ⇒ Object

Returns the value of attribute children.



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# File 'lib/rubyvis/mark/panel.rb', line 13

def children
  @children
end

#root ⇒ Object

Returns the value of attribute root.



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# File 'lib/rubyvis/mark/panel.rb', line 13

def root
  @root
end

Class Method Details

.defaults ⇒ Object 



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# File 'lib/rubyvis/mark/panel.rb', line 32

def self.defaults
  Panel.new.mark_extend(Bar.defaults).fill_style(nil).overflow('visible')
end

Instance Method Details

#add(type) ⇒ Object 



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# File 'lib/rubyvis/mark/panel.rb', line 35

def add(type)
  child=type.new
  child.parent=self
  child.root=root
  child.child_index=children.size
  children.push(child)
  child
end

#anchor(name) ⇒ Object 



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# File 'lib/rubyvis/mark/panel.rb', line 51

def anchor(name)
  anchor=mark_anchor(name)
  anchor.parent=self
  anchor
end

#bind ⇒ Object 



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# File 'lib/rubyvis/mark/panel.rb', line 45

def bind
  super
  children.each {|c|
    c.bind()
  }
end

#build_implied(s) ⇒ Object 



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# File 'lib/rubyvis/mark/panel.rb', line 92

def build_implied(s)
  panel_build_implied(s)
end

#build_instance(s) ⇒ Object 



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# File 'lib/rubyvis/mark/panel.rb', line 56

def build_instance(s)
  super(s)
  return if !s.visible
  s.children=[] if !s.children
  scale=self.scale * s.transform.k
  n=self.children.size
  Mark.index=-1
  n.times {|i|
    child=children[i]
    child.scene=s.children[i]
    child.scale=scale
    child.build
  }
  n.times {|i|
    child=children[i]
    s.children[i]=child.scene
    child.scene=nil
    child.scale=nil
  }
  s.children=s.children[0,n]

end

#children_inspect(level = 0) ⇒ Object 



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# File 'lib/rubyvis/mark/panel.rb', line 20

def children_inspect(level=0)
  out=[]
  @children.each do |c|
    out << ("  "*level)+"- #{c.type} (#{c.object_id}) proto:#{c.proto.object_id} target:#{c.target.object_id}"
    if c.respond_to? :children and c.children
      out << c.children_inspect(level+1)
    end
  end
  out

end

#panel_build_implied(s) ⇒ Object 



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# File 'lib/rubyvis/mark/panel.rb', line 95

def panel_build_implied(s)
  if(!self.parent)
    c=s.canvas
    if(c)
      if(c._panel!=self)
        c._panel=self
        c.delete_if? {true}
      end
      if s.width.nil?
        w=Rubyvis.css(c,'width')
        s.width=w - s.left - s.right
      end
      if s.height.nil?
        w=Rubyvis.css(c,'height')
        s.height=h - s.top - s.bottom
      end

    else
      @_canvas||={}
      cache=@_canvas
      if(!(c=cache[self.index]))
      
      if Rubyvis.xml_engine==:nokogiri
        document=Nokogiri::XML::Document.new
        document.root=document.create_element('document')
        Rubyvis.nokogiri_document(document)
      else
        document=REXML::Document.new
        document.add_element("document")            
      end
        cache[self.index]=document.root
        c=cache[self.index]
        
        #c=cache[self.index]=Rubyvis.document.add_element('span')
      end
    end
    s.canvas=c
  end
  s.transform=Rubyvis.Transform.identity if (s.transform.nil?)
  mark_build_implied(s)
end

#to_svg ⇒ Object 



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# File 'lib/rubyvis/mark/panel.rb', line 79

def to_svg
  if Rubyvis.xml_engine==:nokogiri
    @_canvas.sort.map {|v|
      v[1].get_element(1).to_xml(:indent => 5, :encoding => 'UTF-8')
    }.join
  else
    @_canvas.sort.map {|v|
      bar = REXML::Formatters::Default.new
      out = String.new
      bar.write(v[1].elements[1], out)
    }.join
  end
end

#type ⇒ Object 



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# File 'lib/rubyvis/mark/panel.rb', line 7

def type
  "panel"
end