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
else if ( isEmbeddImage )
				{
					Object dragObj = getSingleTransferData( template );
					final Object model = getCreateRequest( ).getExtendedData( )
							.get( DesignerConstants.KEY_NEWOBJECT );
					try
					{
						( (ImageHandle) model ).setImageName( ( (EmbeddedImageHandle) dragObj ).getName( ) );
					}
					catch ( SemanticException e )
					{
						ExceptionHandler.handle( e );
					}
					CommandStack stack = SessionHandleAdapter.getInstance( )
							.getCommandStack( );
					stack.startTrans( IMG_TRANS_MSG );
					stack.commit( );
				}
				else
					selectAddedObject( );
			}
		}
	}
	private boolean checkTheme( AbstractToolHandleExtends preHandle, Object obj )
	{
		if ( preHandle instanceof LibraryElementsToolHandleExtends
				&& obj instanceof ThemeHandle )
		{
			return true;
		}