this.mainWidget = new EntryEditorWidget( this.configuration );
this.mainWidget.createWidget( composite );
this.mainWidget.getViewer().getTree().setFocus();
// create actions
this.actionGroup = new EntryEditorWidgetActionGroupWithAttribute( this.mainWidget, this.configuration );
this.actionGroup.fillToolBar( this.mainWidget.getToolBarManager() );
this.actionGroup.fillMenu( this.mainWidget.getMenuManager() );
this.actionGroup.fillContextMenu( this.mainWidget.getContextMenuManager() );
IContextService contextService = ( IContextService ) PlatformUI.getWorkbench().getAdapter(
IContextService.class );