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
viewer.refresh( );
	}
	public Image getImage( Object element )
	{
		return null;
	}
	public String getText( Object element )
	{
		if ( element instanceof IMethodInfo )
		{
			IMethodInfo eleDef = (IMethodInfo) element;
			return "  " + eleDef.getName( );
		}
		else if ( element instanceof String )
		{
			return (String) element;
		}
		return ""; 
	}
	public void addListener( ILabelProviderListener listener )
	{
	}
	public boolean isLabelProperty( Object element, String property )
	{
		return false;
	}
	public void removeListener( ILabelProviderListener listener )
	{
	}
	public void selectionChanged( SelectionChangedEvent event )