Bug 322512 Refactor data set editor pages' codes[30357]
Build Identifier: Refactor data set editor pages' codes. Reproducible: Always
UI/org.eclipse.birt.report.designer.ui.data/src/org/eclipse/birt/report/designer/data/ui/dataset/ResultSetPreviewPage.java
monitor.done( );
					}
					catch ( BirtException e )
					{
						metaData = null;
						throw new InvocationTargetException( e );
					}
					finally
					{
						try {
							previewer.close( );
						} catch (BirtException e) {
							e.printStackTrace();
						}
						resetPropertyBinding(
								dataSetBindingMap,
								dataSourceBindingMap );
					}		
				}
			}
		};
		try
		{
			new ProgressMonitorDialog( PlatformUI.getWorkbench( )
					.getDisplay( )
					.getActiveShell( ) ) {
				protected void cancelPressed( )
				{
					super.cancelPressed( );
					needsUpdateUI = false;