client_backbone/dev/model_applet.js

   1 kiwi.model.Applet = kiwi.model.Panel.extend({
   2     // Used to determine if this is an applet panel. Applet panel tabs are treated
   3     // differently than others
   4     applet: true,
   5
   6     loaded_applet: null,
   7
   8     initialize: function (attributes) {
   9         // Temporary name
  10         var name = "applet_"+(new Date().getTime().toString()) + Math.ceil(Math.random()*100).toString();
  11         this.view = new kiwi.view.Applet({model: this, name: name});
  12
  13         this.set({
  14             "name": name
  15         }, {"silent": true});
  16     },
  17
  18     // Load an applet within this panel
  19     load: function (applet_object, applet_name) {
  20         if (typeof applet_object === 'object') {
  21             // Make sure this is a valid Applet
  22             if (applet_object.get || applet_object.extend) {
  23
  24                 // Try find a title for the applet
  25                 this.set('title', applet_object.get('title') || 'Unknown Applet');
  26
  27                 // Update the tabs title if the applet changes it
  28                 applet_object.bind('change:title', function (obj, new_value) {
  29                     this.set('title', new_value);
  30                 }, this);
  31
  32                 // If this applet has a UI, add it now
  33                 this.view.$el.html('');
  34                 if (applet_object.view) {
  35                     this.view.$el.append(applet_object.view.$el);
  36                 }
  37
  38                 // Keep a reference to this applet
  39                 this.loaded_applet = applet_object;
  40             }
  41
  42         } else if (typeof applet_object === 'string') {
  43             // Treat this as a URL to an applet script and load it
  44             this.loadFromUrl(applet_object, applet_name);
  45         }
  46
  47         return this;
  48     },
  49
  50     loadFromUrl: function(applet_url, applet_name) {
  51         var that = this;
  52
  53         this.view.$el.html('Loading..');
  54         $script(applet_url, function () {
  55             // Check if the applet loaded OK
  56             if (!kiwi.applets[applet_name]) {
  57                 that.view.$el.html('Not found');
  58                 return;
  59             }
  60
  61             // Load a new instance of this applet
  62             that.load(new kiwi.applets[applet_name]());
  63         });
  64     },
  65
  66     close: function () {
  67         this.view.$el.remove();
  68         this.destroy();
  69
  70         this.view = undefined;
  71
  72         this.closePanel();
  73     }
  74 });