Bug 201042 [Accessibility]Chart scritp should not add by auto when click the down in keyboard[17]
Description: Chart scritp should not add by auto when click the down in keyboard[0704] Step: 1. New a chart and switch to script view. 2. Let the point on the script function selection. 3. Click the down on keyboard. Actual result: A function will add by auto. Expected result: Customer can not select the function under the second function by keyboard, and it should not be added by auto.
UI/org.eclipse.birt.report.designer.ui.editors.schematic/src/org/eclipse/birt/report/designer/internal/ui/editors/script/JSEditor.java
{
		return scriptEditor;
	}
	/**
	 * Validates the contents of this editor.
	 */
	public void doValidate( )
	{
		Image image = null;
		String message = null;
		
		if ( scriptValidator == null )
		{
			return;
		}
		try
		{
			scriptValidator.validate( );
			image = ReportPlatformUIImages.getImage( IReportGraphicConstants.ICON_SCRIPT_NOERROR );
			message = Messages.getString( "JSEditor.Validate.NoError" );
		}
		catch ( ParseException e )
		{
			image = ReportPlatformUIImages.getImage( IReportGraphicConstants.ICON_SCRIPT_ERROR );
			message = e.getLocalizedMessage( );
		}
		finally
		{
			setValidateIcon( image, message );
			setFocus( );