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
boolean isTheme = checkTheme( preHandle,
					getSingleTransferData( template ) );
			if ( isTheme )
			{
				SessionHandleAdapter.getInstance( )
						.getReportDesignHandle( )
						.getCommandStack( )
						.commit( );
			}
			else
			{
				super.handleDrop( );
				
				if ( !preHandle.postHandleCreation( ) )
				{
					SessionHandleAdapter.getInstance( )
							.getReportDesignHandle( )
							.getCommandStack( )
							.rollback( );
					return;
				}
				SessionHandleAdapter.getInstance( )
						.getReportDesignHandle( )
						.getCommandStack( )
						.commit( );
				if ( isScalarparameter || isResultSetColumn )
				{
					Request request = new Request( ReportRequest.CREATE_SCALARPARAMETER_OR_RESULTSETCOLUMN );
					selectAddedObject( request );
				}