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
{
			collectionCombo.addSelectionListener( collectionSelectionListener );
		}
	}
	private void removeCollectionComboListeners( )
	{
		Listener[] modifyListeners = collectionCombo.getListeners( SWT.Modify );
		for ( int i = 0; i < modifyListeners.length; i++ )
		{
			collectionCombo.removeListener( SWT.Modify, modifyListeners[i] );
		}
		Listener[] selectionListeners = collectionCombo.getListeners( SWT.Selection );
		for ( int i = 0; i < selectionListeners.length; i++ )
		{
			collectionCombo.removeListener( SWT.Selection,
					selectionListeners[i] );
		}
	}
	
	private void createCommandOpArea( Composite topArea )
	{
		commandOpArea = new Group( topArea, SWT.NONE );
		GridLayout layout = new GridLayout( 3, false );
		layout.horizontalSpacing = 12;
		commandOpArea.setLayout( layout );
		GridData layoutData = new GridData( GridData.FILL_HORIZONTAL );
		layoutData.horizontalSpan = 3;
		commandOpArea.setLayoutData( layoutData );
		commandOpArea.setText( Messages.getString( "MongoDBDataSetWizardPage.group.text" ) ); 
		opTypeLabel = new Label( commandOpArea, SWT.NONE );