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
}
			setModel( textItemHandle );
			return super.preHandleMouseUp( );
		} /*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.birt.designer.internal.ui.editors.schematic.tools.AbstractToolHandleExtends#preHandleMouseDown()
			 */
		public boolean preHandleMouseDown( )
		{
			return false;
		}
	}
	/**
	 * Provides element building support for label element.
	 */
	public static class LabelToolExtends extends AbstractToolHandleExtends
	{
		public boolean preHandleMouseUp( )
		{
			CreateRequest request = getRequest( );
			if ( IReportElementConstants.REPORT_ELEMENT_LABEL.equalsIgnoreCase( (String) request.getNewObjectType( ) ) )
			{
				
				
				
				
				
				LabelHandle labelItemHandle = DesignElementFactory.getInstance( )
						.newLabel( null );