Class: Glimmer::SWT::GLayoutData

Inherits:
Object
  • Object
show all
Includes:
Parent
Defined in:
lib/glimmer/swt/g_layout_data.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(widget, args) ⇒ GLayoutData

Returns a new instance of GLayoutData.



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# File 'lib/glimmer/swt/g_layout_data.rb', line 14

def initialize(widget, args)
  @widget = widget
  args = GSWT.constantify_args(args)
  begin
    @layout_data = swt_layout_data_class.new(*args)
  rescue => e
    Glimmer.logger.debug "#{e.message}\n#{e.backtrace.join("\n")}"
    @layout_data = args.first if args.count == 1
  end
  @widget.setLayoutData(@layout_data)
end

Instance Attribute Details

#layout_data ⇒ Object (readonly)

Returns the value of attribute layout_data.



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# File 'lib/glimmer/swt/g_layout_data.rb', line 12

def layout_data
  @layout_data
end

#widget ⇒ Object (readonly)

Returns the value of attribute widget.



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# File 'lib/glimmer/swt/g_layout_data.rb', line 11

def widget
  @widget
end

Instance Method Details

#apply_property_type_converters(attribute_name, args) ⇒ Object 



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# File 'lib/glimmer/swt/g_layout_data.rb', line 45

def apply_property_type_converters(attribute_name, args)
  if args.count == 1 && GSWT.has_constant?(args.first)
    args[0] = GSWT.constant(args.first)
  end
end

#attribute_setter(attribute_name) ⇒ Object 



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# File 'lib/glimmer/swt/g_layout_data.rb', line 51

def attribute_setter(attribute_name)
  "#{attribute_name.to_s.camelcase(:lower)}="
end

#has_attribute?(attribute_name, *args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/glimmer/swt/g_layout_data.rb', line 36

def has_attribute?(attribute_name, *args)
  @layout_data.respond_to?(attribute_setter(attribute_name), args)
end

#process_block(block) ⇒ Object 



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# File 'lib/glimmer/swt/g_layout_data.rb', line 26

def process_block(block)
  block.call(@layout)
end

#set_attribute(attribute_name, *args) ⇒ Object 



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# File 'lib/glimmer/swt/g_layout_data.rb', line 40

def set_attribute(attribute_name, *args)
  apply_property_type_converters(attribute_name, args)
  @layout_data.send(attribute_setter(attribute_name), *args)
end

#swt_layout_data_class ⇒ Object 



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# File 'lib/glimmer/swt/g_layout_data.rb', line 30

def swt_layout_data_class
  parent_layout_class_name = @widget.getParent.getLayout.class.name
  layout_data_class_name = parent_layout_class_name.sub(/Layout$/, 'Data')
  eval(layout_data_class_name)
end