Bug 422205 Missing help content reference in MongoDB ODA Data Set UI page
The help context ID is not referenced by the MongoDB DOA data set query page.
data/org.eclipse.birt.data.oda.mongodb.ui/src/org/eclipse/birt/data/oda/mongodb/ui/impl/MongoDBDataSetWizardPage.java
sysCollOption.setEnabled( collectionAreaEnabled );
		refreshBtn.setEnabled( collectionAreaEnabled );
		resetExprBtnStatus( );
		if ( collectionCombo.getEnabled( ) != collectionAreaEnabled )
		{
			collectionCombo.setEnabled( collectionAreaEnabled );
			if ( collectionAreaEnabled )
			{
				collectionCombo.setText( oldCollectionName );
			}
			else
			{
				oldCollectionName = collectionName;
				collectionName = ""; 
			}
		}
	}
	private void resetExprBtnStatus( )
	{
		boolean queryExprBtnEnabled = !CommandOperationType.AGGREGATE.name( )
				.equals( opType.name( ) )
				&& !CommandOperationType.RUN_DB_COMMAND.name( )
						.equals( opType.name( ) );
		boolean sortExprBtnEnabled = queryExprBtnEnabled;
		queryExprBtn.setEnabled( queryExprBtnEnabled );
		
		
		sortExprBtn.setEnabled( sortExprBtnEnabled );
	}
	private void deselectAll( )