Bug 166015 Refactor designer actions to eclipse command framework
Eclipse command framework provide a more explicit way to manage UI actions contributions, we can take it's advantage to make our actions code more clean and maintainable.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/actions/InsertGroupActionFactory.java
{
	/**
	 * @param editParts
	 */
	public InsertIntoGroupAction( List editParts, String text )
	{
		super( editParts, text );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.internal.ui.editors.schematic.actions.InsertPositionGroupAction#isEnabled()
	 */
	public boolean isEnabled( )
	{
		return super.isEnabled( ) && isGroup( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.internal.ui.editors.schematic.actions.InsertPositionGroupAction#getPosition()
	 */
	protected int getPosition( )
	{
		return POSITION_INNERMOST;
	}
}