Module: Rubyvis::AreaPrototype

Included in:
Area, Line, LinePrototype
Defined in:
lib/rubyvis/mark/area.rb

Overview

Provides methods pertinents to area like-marks.

Instance Method Summary collapse

Instance Method Details

#area_anchor(name) ⇒ Object 



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# File 'lib/rubyvis/mark/area.rb', line 91

def area_anchor(name)
  #scene=nil
  anchor=mark_anchor(name)
  anchor.interpolate(lambda {
    self.scene.target[self.index].interpolate
  }).eccentricity(lambda {
    self.scene.target[self.index].eccentricity
  }).tension(lambda {
    self.scene.target[self.index].tension
  })
  anchor
end

#area_bind ⇒ Object 



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# File 'lib/rubyvis/mark/area.rb', line 69

def area_bind
  mark_bind
  
  binds = self.binds
  required = binds.required
  optional = binds.optional
  
  optional.size.times {|i|
    prop = optional[i]
    prop.fixed = fixed.keys.include? prop.name
    
    if (prop.name == "segmented")
      required.push(prop)
    end
  }
  optional.delete_if {|v| v.name=='segmented'}
  # Cache the original arrays so they can be restored on build. */
  @binds._required = required
  @binds._optional = optional
end

#area_build_instance(s) ⇒ Object 



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

def area_build_instance(s)
  binds = self.binds
  # Handle fixed properties on secondary instances. */
  if (self.index!=0)
    fixed = @binds.fixed
    #/* Determine which properties are fixed. */
    if (!fixed)
      binds.fixed=[]
      fixed = binds.fixed
      filter=lambda {|prop|
        if prop.fixed
          fixed.push(prop)
          false
        else
          true
        end
      }
      #      p binds.required
      binds.required = binds.required.find_all(&filter)
      #      p binds.required
      if (!self.scene[0].segmented)
        binds.optional = binds.optional.find_all(&filter)
      end
      
    end
    
    #    p binds.required


    #/* Copy fixed property values from the first instance. */
    fixed.each {|prop|
      name=prop.name
      s[name]=self.scene[0][name]
    }
    
    
    #    p binds.fixed
    #/* Evaluate all properties on the first instance. */
  else
    binds.required = binds._required
    binds.optional = binds._optional
    binds.fixed = nil
  end
  # pp binds
  mark_build_instance(s)
end

#fixed ⇒ Object

:nodoc:



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# File 'lib/rubyvis/mark/area.rb', line 8

def fixed
  {
    :line_width=> true,
    :line_join=> true,
    :stroke_style=> true,
    :fill_style=> true,
    :segmented=> true,
    :stroke_dasharray => true, # SVG strokeDasharray (Jamie Love protovis mod)
    :interpolate=> true,
    :tension=> true
  }
end