Bug 180426 In library, do not allowed the dataset drag in to the row and column area of cross tab[1102]
Description: In library do not allowed the dataset drag in to the row and column area of cross tab[1102] Build number: 2.2.0.v20070402-0630 Steps to reproduce: Try to drag a dataset in data explorer into the row area and column area in x-tab. The plus icon show the operation is allowed, But after the insertion, error occurs. Expected result: The dataset is not allowed to insert into the row and column area Error log: java.lang.ClassCastException: org.eclipse.birt.report.item.crosstab.internal.ui.editors.model.VirtualCrosstabCellAdapter at org.eclipse.birt.report.designer.core.commands.CreateCommand.execute(CreateCommand.java:102) at org.eclipse.birt.report.designer.internal.ui.command.WrapperCommandStack.execute(WrapperCommandStack.java:86) at org.eclipse.gef.dnd.AbstractTransferDropTargetListener.handleDrop(AbstractTransferDropTargetListener.java:314) at org.eclipse.gef.dnd.TemplateTransferDropTargetListener.handleDrop(TemplateTransferDropTargetListener.java:101) at org.eclipse.birt.report.designer.internal.ui.palette.ReportTemplateTransferDropTargetListener.handleDrop(ReportTemplateTransferDropTargetListener.java:230) at org.eclipse.gef.dnd.AbstractTransferDropTargetListener.drop(AbstractTransferDropTargetListener.java:171) at org.eclipse.jface.util.DelegatingDropAdapter$3.run(DelegatingDropAdapter.java:211)
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/palette/ReportTemplateTransferDropTargetListener.java
{
			PaletteEntryExtension[] entries = EditpartExtensionManager.getPaletteEntries( );
			if ( template.toString( )
					.startsWith( IReportElementConstants.REPORT_ELEMENT_EXTENDED ) )
			{
				String extensionName = template.toString( )
						.substring( IReportElementConstants.REPORT_ELEMENT_EXTENDED.length( ) );
				for ( int i = 0; i < entries.length; i++ )
				{
					if ( entries[i].getItemName( ).equals( extensionName ) )
					{
						try
						{
							CommandUtils.setVariable( "targetEditPart",
									getTargetEditPart( ) );
							getCreateRequest( ).getExtendedData( )
									.put( DesignerConstants.KEY_NEWOBJECT,
											entries[i].executeCreate( ) );
							selectAddedObject( );
							return;
						}
						catch ( Exception e )
						{
							ExceptionHandler.handle( e );
						}
					}
				}
			}
			transName = TRANS_LABEL_CREATE_ELEMENT;
			preHandle = BasePaletteFactory.getAbstractToolHandleExtendsFromPaletteName( template );