client/assets/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
   7     initialize: function (attributes) {
   8         // Temporary name
   9         var name = "applet_"+(new Date().getTime().toString()) + Math.ceil(Math.random()*100).toString();
  10         this.view = new kiwi.view.Applet({model: this, name: name});
  11
  12         this.set({
  13             "name": name
  14         }, {"silent": true});
  15
  16         // Holds the loaded applet
  17         this.loaded_applet = null;
  18     },
  19
  20     // Load an applet within this panel
  21     load: function (applet_object, applet_name) {
  22         if (typeof applet_object === 'object') {
  23             // Make sure this is a valid Applet
  24             if (applet_object.get || applet_object.extend) {
  25
  26                 // Try find a title for the applet
  27                 this.set('title', applet_object.get('title') || 'Unknown Applet');
  28
  29                 // Update the tabs title if the applet changes it
  30                 applet_object.bind('change:title', function (obj, new_value) {
  31                     this.set('title', new_value);
  32                 }, this);
  33
  34                 // If this applet has a UI, add it now
  35                 this.view.$el.html('');
  36                 if (applet_object.view) {
  37                     this.view.$el.append(applet_object.view.$el);
  38                 }
  39
  40                 // Keep a reference to this applet
  41                 this.loaded_applet = applet_object;
  42             }
  43
  44         } else if (typeof applet_object === 'string') {
  45             // Treat this as a URL to an applet script and load it
  46             this.loadFromUrl(applet_object, applet_name);
  47         }
  48
  49         return this;
  50     },
  51
  52     loadFromUrl: function(applet_url, applet_name) {
  53         var that = this;
  54
  55         this.view.$el.html('Loading..');
  56         $script(applet_url, function () {
  57             // Check if the applet loaded OK
  58             if (!kiwi.applets[applet_name]) {
  59                 that.view.$el.html('Not found');
  60                 return;
  61             }
  62
  63             // Load a new instance of this applet
  64             that.load(new kiwi.applets[applet_name]());
  65         });
  66     },
  67
  68     close: function () {
  69         this.view.$el.remove();
  70         this.destroy();
  71
  72         this.view = undefined;
  73
  74         // Call the applets dispose method if it has one
  75         if (this.loaded_applet && this.loaded_applet.dispose) {
  76             this.loaded_applet.dispose();
  77         }
  78
  79         this.closePanel();
  80     }
  81 });