Bug 320462 Refactor script data set related pages' codes[29044]
Build Identifier: 20100719 Refactor script functions related codes. Reproducible: Always
UI/org.eclipse.birt.report.designer.ui.data/src/org/eclipse/birt/report/designer/data/ui/dataset/OutputColumnDefnPage.java
* 
	 * @see org.eclipse.birt.report.designer.ui.dialogs.properties.AbstractPropertyPage#performCancel()
	 */
	public boolean performCancel( )
	{
		disposeAll( );
		return super.performCancel( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.dialogs.properties.AbstractPropertyPage#performOk()
	 */
	public boolean performOk( )
	{
		if ( !modelChanged )
		{
			disposeAll( );
			return super.performOk( );
		}
		if ( isValid( ) )
		{
			refreshPositions( );
			disposeAll( );
			return super.performOk( );
		}
		else
			return false;
	}
	/**