Remove DB.units list

app/views/inspector.js

 /*
 This file is part of the Juju GUI, which lets users view and manage Juju
 environments within a graphical interface (https://launchpad.net/juju-gui).
 Copyright (C) 2012-2013 Canonical Ltd.
 
 This program is free software: you can redistribute it and/or modify it under
 the terms of the GNU Affero General Public License version 3, as published by
 the Free Software Foundation.
 
 This program is distributed in the hope that it will be useful, but WITHOUT
@@ skipping 688 matching lines @@
           db = inspector.get('db'),
           service = inspector.get('model'),
           charmUrl = service.get('charm'),
           charm = db.charms.getById(charmUrl),
           schema = charm.get('options'),
           container = this.viewletManager.viewlets.config.container,
           button = container.one('button.confirm');
 
       button.set('disabled', 'disabled');
 
-      var newVals = utils.getElementsValuesMapping(container, '.config-field');
-      var errors = utils.validate(newVals, schema);
+      var config = utils.getElementsValuesMapping(container, '.config-field');
+      var errors = utils.validate(config, schema);
 
       if (Y.Object.isEmpty(errors)) {
         env.set_config(
             service.get('id'),
-            newVals,
+            config,
             null,
             service.get('config'),
-            Y.bind(this._setConfigCallback, this, container, newVals)
+            Y.bind(this._setConfigCallback, this, container)
         );
       } else {
         db.notifications.add(
             new models.Notification({
               title: 'Error saving service config',
               message: 'Error saving service config',
               level: 'error'
             })
         );
         // We don't have a story for passing the full error messages
         // through so will log to the console for now.
         console.log('Error setting config', errors);
       }
     },
 
     /**
       Handles the success or failure of setting the new config values
 
       @method _setConfigCallback
       @param {Y.Node} container of the viewlet-manager.
-      @param {Y.EventFacade} e yui event object.
-    */
-    _setConfigCallback: function(container, config, e) {
+      @param {Y.EventFacade} evt YUI event object with the following attrs:
+        - err: whether or not an error occurred;
+        - service_name: the name of the service;
+        - newValues: an object including the modified config options.
+    */
+    _setConfigCallback: function(container, evt) {
       // If the user has conflicted fields and still chooses to
       // save, then we will be overwriting the values in Juju.
-      if (e.err) {
+      if (evt.err) {
         var db = this.viewletManager.get('db');
         db.notifications.add(
             new models.Notification({
               title: 'Error setting service configuration',
-              message: 'Service name: ' + e.service_name,
+              message: 'Service name: ' + evt.service_name,
               level: 'error'
             })
         );
       } else {
         this._highlightSaved(container);
-        this.viewletManager.get('model').set('config', config);
+        var service = this.viewletManager.get('model');
+        // Mix the current config (stored in the db) with the modified options.
+        var config = Y.mix(service.get('config'), evt.newValues, true);
+        service.set('config', config);
         var bindingEngine = this.viewletManager.bindingEngine;
         bindingEngine.resetDOMToModel('config');
       }
       container.one('.controls .confirm').removeAttribute('disabled');
     },
 
     /**
       Cancel any configuration changes.
 
       @method cancelConfig
@@ skipping 618 matching lines @@
     'viewlet-inspector-header',
     'viewlet-inspector-overview',
     'viewlet-service-config',
     'viewlet-service-constraints',
     'viewlet-service-ghost',
     'viewlet-unit-details',
     'viewlet-service-relations'
   ]
 });