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
text += DEFAULT_AUTHOR + " " 
								+ pluginVersion;
					}
				}
				else if ( IReportElementConstants.AUTOTEXT_FILENAME.equalsIgnoreCase( type ) )
				{
					text = AUTOTEXT_LABEL_FILENAME + reportHandle.getFileName( );
				}
				else if ( IReportElementConstants.AUTOTEXT_LASTPRINTED.equalsIgnoreCase( type ) )
				{
					text = AUTOTEXT_LABEL_LAST_PRINTED
							+ "<value-of>new Date()</value-of>"; 
					textItemHandle.setContentType( DesignChoiceConstants.TEXT_CONTENT_TYPE_HTML );
				}
				else if ( IReportElementConstants.AUTOTEXT_PAGEXOFY.equalsIgnoreCase( type ) )
				{
					text = AUTOTEXT_LABEL_PAGE_X_OF_Y;
				}
				else if ( !IReportElementConstants.REPORT_ELEMENT_TEXT.equalsIgnoreCase( type ) )
				{
					return false;
				}
				if ( text != null )
				{
					textItemHandle.setContent( text );
				}
			}
			catch ( SemanticException e )
			{
				ExceptionHandler.handle( e );