Bug 131258 NewOdaDataSet is created when drop dataset from data explorer into layout in library
Details: NewOdaDataSet is created when drop dataset from data explorer into layout in library Setp: 1.New a library 2.Create a datasource and dataset 3.Drop dataset from Actual result: A new dataset named NewOdaDataSet is created. Exception result: The dataset is unnecessary to be created
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/palette/BasePaletteFactory.java
{
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.birt.designer.internal.ui.editors.schematic.tools.IToolHandleExtends#preHandleMouseDown()
		 */
		public boolean preHandleMouseUp( )
		{
			CreateRequest request = getRequest( );
			if ( IReportElementConstants.REPORT_ELEMENT_TABLE.equalsIgnoreCase( (String) request.getNewObjectType( ) ) )
			{
				TableOptionDialog dlg = new TableOptionDialog( UIUtil.getDefaultShell( ),
						true );
				if ( dlg.open( ) == Window.OK
						&& dlg.getResult( ) instanceof int[] )
				{
					int[] data = (int[]) dlg.getResult( );
					
					
										
					
					
					
					
					TableHandle table = DesignElementFactory.getInstance( )