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
ISelection selection = event.getSelection( );
		handleSelectionChanged( selection );
	}
	public void handleSelectionChanged( ISelection selection )
	{
		if ( editorUIEnabled == true )
		{
			saveModel( );
		}
		if ( selection != null )
		{
			Object[] sel = ( (IStructuredSelection) selection ).toArray( );
			if ( sel.length == 1 )
			{
				editObject = sel[0];
				if ( sel[0] instanceof ScriptElementNode )
				{
					editObject = ( (ScriptElementNode) editObject ).getParent( );
				}
			}
			if ( editObject instanceof DesignElementHandle )
			{
				
				palettePage.getSupport( ).setCurrentEditObject( editObject );
				setComboViewerInput( editObject );
				
				cmbItemLastSelected = null;
				setEditorText( "" );