Class: Ziya::Charts::Support::Link

Inherits:
Base
  • Object
show all
Defined in:
lib/ziya/charts/support/link.rb

Overview

Sets up clickable areas on the chart.

Holds any number of areas, each defining a rectangle and a URL to go to when the user clicks inside the rectangle. This can also be used to make refresh or print buttons.

:

See www.maani.us/xml_charts/index.php?menu=Reference&submenu=link for additional documentation, examples and futher detail.

Instance Method Summary collapse

Methods inherited from Base

#==, attributes, #attributes_for, #configured?, has_attribute, #has_sub_components, #initialize, #options, #options_as_string

Constructor Details

This class inherits a constructor from Ziya::Charts::Support::Base

Instance Method Details

#flatten(xml) ⇒ Object

Dump has_attribute into xml element



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# File 'lib/ziya/charts/support/link.rb', line 29

def flatten( xml )
  if areas
    xml.link do
      areas.each { |area| area.flatten( xml ) }
    end
  end
end

#merge(parent_attributes, override = false) ⇒ Object

Override merge attributes enhance component definitions vs override



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# File 'lib/ziya/charts/support/link.rb', line 21

def merge( parent_attributes, override=false )
  comps = send( :areas ) || []
  comps = comps + parent_attributes.send( :areas ) if parent_attributes.send( :areas )
  send( "areas=", comps )
end