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
return;
				}
				if ( obj instanceof ResultSetColumnHandle )
				{
					dataField = (ResultSetColumnHandle) obj;
					dataset = (DataSetHandle) dataField.getElementHandle( );
					if ( event.item == null || dataField == null )
					{
						event.detail = DND.DROP_NONE;
						return;
					}
					else
					{
						TreeItem item = (TreeItem) event.item;
						Point pt = Display.getCurrent( ).map( null,
								groupViewer.getTree( ),
								event.x,
								event.y );
						Rectangle bounds = item.getBounds( );
						Object element = item.getData( );
						try
						{
							if ( pt.y < bounds.y + bounds.height / 3 )
							{
								if ( element instanceof MeasureHandle )
								{
									SessionHandleAdapter.getInstance( )
											.getCommandStack( )
											.startTrans( "" );
									TabularMeasureHandle measure = DesignElementFactory.getInstance( )