Bug 190957 The cancel button in group level dialog in cube take no effect[1101]
Description: The cancel button in group level dialog in cube take no effect[1101] Build number: 2.2.0.v20070605-0630 Steps to reproduce: 1, New a cube 2, New a level 3, Do some operations on the level 4, Click cancel button Expected result: The cancel button can take effect to cancel all the operations Actual result: The cancel button take no effect and all the operations have done
UI/org.eclipse.birt.report.designer.ui.cubebuilder/src/org/eclipse/birt/report/designer/ui/cubebuilder/page/CubeGroupContent.java
else
			{
				if ( obj instanceof DimensionHandle
						|| obj instanceof MeasureGroupHandle
						|| obj instanceof MeasureHandle )
					editBtn.setEnabled( true );
				else
					editBtn.setEnabled( false );
			}
		}
		else
		{
			addBtn.setEnabled( false );
			delBtn.setEnabled( false );
			editBtn.setEnabled( false );
		}
	}
	private DataContentProvider dataContentProvider = new DataContentProvider( );
	private CubeLabelProvider cubeLabelProvider;
	private void handleDelEvent( )
	{
		TreeSelection slections = (TreeSelection) groupViewer.getSelection( );
		Iterator iter = slections.iterator( );
		while ( iter.hasNext( ) )
		{
			Object obj = iter.next( );
			if ( obj instanceof DimensionHandle )
			{
				DimensionHandle dimension = (DimensionHandle) obj;
				boolean hasExecuted = OlapUtil.enableDrop( dimension );