Bug 153391 Some Options in Edit Parameter dialog haven't been saved.
Description: Some Options in Edit Parameter dialog haven't been saved. Steps to reproduce: 1. new a parameter, boolean type, tick AllowNUll and sort alphabetically... 2. Close the dialog and reopen it. 3. new a parameter, string, combo-box, tick AllowNull. 4. Close the dialog and reopen it. Expected result: Ticked options' status are saved Actual result: After reopen parameter dialog, options are unticked.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
}
			return text;
		}
		public void addListener( ILabelProviderListener listener )
		{
		}
		public void dispose( )
		{
		}
		public boolean isLabelProperty( Object element, String property )
		{
			return false;
		}
		public void removeListener( ILabelProviderListener listener )
		{
		}
	};
	private final ITableAreaModifier tableAreaModifier = new ITableAreaModifier( ) {
		public boolean editItem( final Object element )
		{
			final SelectionChoice choice = (SelectionChoice) element;
			boolean isDefault = isDefaultChoice( choice );
			SelectionChoiceDialog dialog = new SelectionChoiceDialog( "Edit Selection Choice" );
			dialog.setInput( choice );
			dialog.setValidator( new SelectionChoiceDialog.ISelectionChoiceValidator( ) {
				public String validate( String displayLabel, String value )
				{
					return validateChoice( choice, displayLabel, value );
				}
			} );