Module: D3::Native::Helpers

Defined in:
lib/opal/d3/native.rb

Instance Method Summary collapse

Instance Method Details

#alias_native_chainable(ruby_name, js_name = ruby_name) ⇒ Object 



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# File 'lib/opal/d3/native.rb', line 66

def alias_native_chainable(ruby_name, js_name=ruby_name)
  eval "    def \#{ruby_name}(*args)\n      @native.JS.\#{js_name}(*args)\n      self\n    end\n  EOF\nend\n"

#alias_native_new(ruby_name, js_name = ruby_name) ⇒ Object 



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# File 'lib/opal/d3/native.rb', line 75

def alias_native_new(ruby_name, js_name=ruby_name)
  eval "    def \#{ruby_name}(*args)\n      self.class.new @native.JS.\#{js_name}(*args)\n    end\n  EOF\nend\n"

#attribute_d3(ruby_name, js_name = ruby_name) ⇒ Object

This provides ruby style and jquery style interfaces: obj.foo obj.foo = 1; obj.bar = 2 obj.foo(1).bar(2)



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# File 'lib/opal/d3/native.rb', line 20

def attribute_d3(ruby_name, js_name=ruby_name)
  eval "    def \#{ruby_name}(new_value=`undefined`)\n      if `new_value !== undefined`\n        new_value = `null` if new_value == nil\n        @native.JS.\#{js_name}(new_value)\n        self\n      else\n        value = @native.JS.\#{js_name}\n        `value === null ? nil : value`\n      end\n    end\n    def \#{ruby_name}=(new_value)\n      new_value = `null` if new_value == nil\n      @native.JS.\#{js_name}(new_value)\n    end\n  EOF\nend\n"

#attribute_d3_block(ruby_name, js_name = ruby_name) ⇒ Object

This provides ruby style and jquery style interfaces, and also block interface: obj.foo obj.foo = 1; obj.bar = 2 obj.foo(1).bar(2).buzz…



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# File 'lib/opal/d3/native.rb', line 44

def attribute_d3_block(ruby_name, js_name=ruby_name)
  eval "    def \#{ruby_name}(new_value=`undefined`, &block)\n      if block_given?\n        @native.JS.\#{js_name}(block)\n        self\n      elsif `new_value !== undefined`\n        new_value = `null` if new_value == nil\n        @native.JS.\#{js_name}(new_value)\n        self\n      else\n        value = @native.JS.\#{js_name}\n        `value === null ? nil : value`\n      end\n    end\n    def \#{ruby_name}=(new_value)\n      new_value = `null` if new_value == nil\n      @native.JS.\#{js_name}(new_value)\n    end\n  EOF\nend\n"