client/src/models/pluginmanager.js

   1 _kiwi.model.PluginManager = Backbone.Model.extend({
   2     initialize: function () {
   3         this.$plugin_holder = $('<div id="kiwi_plugins" style="display:none;"></div>')
   4             .appendTo(_kiwi.app.view.$el);
   5
   6         this.loading_plugins = 0;
   7         this.loaded_plugins = {};
   8     },
   9
  10     // Load an applet within this panel
  11     load: function (url) {
  12         var that = this;
  13
  14         if (this.loaded_plugins[url]) {
  15             this.unload(url);
  16         }
  17
  18         this.loading_plugins++;
  19
  20         this.loaded_plugins[url] = $('<div></div>');
  21         this.loaded_plugins[url].appendTo(this.$plugin_holder)
  22             .load(url, _.bind(that.pluginLoaded, that));
  23     },
  24
  25
  26     unload: function (url) {
  27         if (!this.loaded_plugins[url]) {
  28             return;
  29         }
  30
  31         this.loaded_plugins[url].remove();
  32         delete this.loaded_plugins[url];
  33     },
  34
  35
  36     // Called after each plugin is loaded
  37     pluginLoaded: function() {
  38         this.loading_plugins--;
  39
  40         if (this.loading_plugins === 0) {
  41             this.trigger('loaded');
  42         }
  43     },
  44 });