Module: RSwing::Components::Container

Includes:
Component, Events::ContainerEvents
Included in:
Panel, Window
Defined in:
lib/rswing/components/container.rb

Constant Summary

Constants included from Events::ContainerEvents

Events::ContainerEvents::ContainerListener

Constants included from Events::FocusEvents

Events::FocusEvents::FocusListener

Constants included from Events::PropertyChanged

Events::PropertyChanged::PropertyChangeListener

Constants included from Events::InputMethodEvents

Events::InputMethodEvents::InputMethodListener

Constants included from Events::HierarchyBoundsEvents

Events::HierarchyBoundsEvents::HierarchyBoundsListener

Constants included from Events::KeyEvents

Events::KeyEvents::KeyListener

Constants included from Events::MouseWheelEvents

Events::MouseWheelEvents::MouseWheelListener

Constants included from Events::MouseMotionEvents

Events::MouseMotionEvents::MouseMotionListener

Constants included from Events::MouseEvents

Events::MouseEvents::MouseListener

Constants included from Events::ComponentEvents

Events::ComponentEvents::ComponentListener

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Events::ContainerEvents

event_mappings

Methods included from Events::FocusEvents

event_mappings

Methods included from Events::InputMethodEvents

event_mappings

Methods included from Events::HierarchyBoundsEvents

event_mappings

Methods included from Events::KeyEvents

event_mappings

Methods included from Events::MouseMotionEvents

event_mappings

Methods included from Events::MouseEvents

event_mappings

Methods included from Events::ComponentEvents

event_mappings

Class Method Details

.add_if_requested(component, options) ⇒ Object

Adds a component to a container, if specified via :belongs_to in options.



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# File 'lib/rswing/components/container.rb', line 89

def self.add_if_requested(component, options)
  if(container = Options.value_for(options => :belongs_to))
    if(Options.value_for(options => :layout) || Options.value_for(options => :name))
      container.add(component, options)
    else
      container.add(component)
    end
  end
end

Instance Method Details

#[](name_symbol) ⇒ Object

Returns the component with a given name inside of this container (if available).

  • name_symbol Name (as symbol) of the component to get.



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# File 'lib/rswing/components/container.rb', line 70

def [](name_symbol)
  if self.component_hash.has_key?(name_symbol)
    self.component_hash[name_symbol] # erstes hash mit diesem namen als key zurückgeben
  else
    nil
  end
end

#add(component, options = {}) ⇒ Object

Adds a component with a set of options to this container.



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# File 'lib/rswing/components/container.rb', line 29

def add(component, options = {})
  if(self.respond_to?(:getContentPane))
    self.add_to_content_pane(component, options)
  else
    if(layout = Options.value_for(options => :layout))
      super(component, layout)
    else
       super(component)
    end
  end
  
  # if :name given, add with name
  if(name = Options.value_for(options => :name))
    self.add_with_name(component, name)
    # also set components name attribute, if specified
    component.name = name.to_s
  end
  
  component # return component
end

#add_with_name(component, name_symbol) ⇒ Object

Adds a component to the component_hash with a given name symbol. Raises an exception if name already taken.



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# File 'lib/rswing/components/container.rb', line 52

def add_with_name(component, name_symbol)
  if self.component_hash.has_key?(name_symbol)
    raise "Name in component already taken!"
  else
    self.component_hash[name_symbol] = component
  end
end

#components ⇒ Object

Returns the components of a container. If the container uses a content_pane, its components are returned.



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# File 'lib/rswing/components/container.rb', line 80

def components
  if self.respond_to?(:getContentPane)
    self.content_pane.components
  else
    super
  end
end

#remove(component) ⇒ Object

Removes a component from this container. Also removes it from the component_hash



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# File 'lib/rswing/components/container.rb', line 62

def remove(component)
  super(component)
  # delete all entries with component as value in component_hash
  self.component_hash.delete_if { |key,value| value == component }
end