Bug 199021 Error message pops up several times when click an invalid dataset
Description: There is a sqlserver datasource and dataset, remove the jtds driver to let the dataset invalid. Double click on the dataset, the error message will pop up serveral times. Build version:2.2.0.v20070807-0630 Steps to reproduce: 1. Create a sqlserver datasource and dataset. 2. Remove the jtds driver, and the dataset will be invalid. 3. Double click on the dataset. Expect result: Error message pops up once to indicate the problem. Actual result: Error message pops up serveral times.
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
&& ( ( e.keyCode == 'y' ) || ( e.keyCode == 'Y' ) );
			}
			public void keyReleased( KeyEvent e )
			{
				
			}
		} );
	}
	/**
	 * 
	 * @param viewer
	 */
	private final void attachMenus( SourceViewer viewer )
	{
		StyledText widget = viewer.getTextWidget( );
		TextMenuManager menuManager = new TextMenuManager( viewer );
		widget.setMenu( menuManager.getContextMenu( widget ) );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.datatools.connectivity.oda.design.internal.ui.DataSetWizardPageCore#refresh(org.eclipse.datatools.connectivity.oda.design.DataSetDesign)
	 */
	protected void refresh( DataSetDesign dataSetDesign )
	{
		DEFAULT_MESSAGE = JdbcPlugin.getResourceString( "dataset.editor.page.query" );
		setMessage( DEFAULT_MESSAGE );
		refreshPage( );
		prepareUI( );
	}