 
                 source.set "status", doc.status
                 source.set "modal", null
+
+                if doc.ping
+                    if source.get "ping"
+                        Em.run.cancel source.get "ping"
+                    @doPing doc.ping
 
                 if doc.refresh
                     source.set "refresh", Em.run.later(@, ->


    source: Em.computed -> Em.Object.create
        page: null
        refresh: null
        structure: null
        status: null

        model_id = req.params.openxpki.model_id

        if not source.get("navEntries.length") or model_id in @needReboot
            @sendAjax data:
                page: "bootstrap!structure"
                baseurl: window.location.pathname

