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
TemplateTransferDropTargetListener
{
	private static final String TRANS_LABEL_CREATE_ELEMENT = Messages.getString( "ReportTemplateTransferDropTargetListener.transLabel.createElement" ); 
	private static final String IMG_TRANS_MSG = Messages.getString( "ImageEditPart.trans.editImage" ); 
	/**
	 * Constructor
	 * 
	 * @param viewer
	 */
	public ReportTemplateTransferDropTargetListener( EditPartViewer viewer )
	{
		super( viewer );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.gef.dnd.TemplateTransferDropTargetListener#getFactory(java.lang.Object)
	 */
	protected CreationFactory getFactory( Object template )
	{
		if ( handleValidateDrag( template ) )
		{
			if ( template instanceof String )
			{
				return new ReportElementFactory( template );
			}
			return new ReportElementFactory( getSingleTransferData( template ),
					template );