Initial commit

lib/assets/javascripts/builder/components/custom-carousel/custom-carousel-collection.js

@@ -0,0 +1,54 @@
+var Backbone = require('backbone');
+var CustomCarouselModel = require('./custom-carousel-item-model');
+
+/*
+ *  Custom list collection, it parses pairs like:
+ *
+ *  [{ val, label }]
+ *  ["string"]
+ */
+
+module.exports = Backbone.Collection.extend({
+
+  model: function (attrs, opts) {
+    var d = {};
+    if (typeof attrs === 'string') {
+      d.val = attrs;
+    } else {
+      d = attrs;
+    }
+    return new CustomCarouselModel(d);
+  },
+
+  initialize: function () {
+    this._initBinds();
+  },
+
+  _initBinds: function () {
+    this.bind('change:selected', this._onSelectedChange, this);
+  },
+
+  _onSelectedChange: function (changedModel, isSelected) {
+    if (isSelected) {
+      this.each(function (m) {
+        if (m.cid !== changedModel.cid && m.get('selected')) {
+          m.set('selected', false);
+        }
+      });
+    }
+  },
+
+  getSelected: function () {
+    return this.findWhere({ selected: true });
+  },
+
+  getSelectedValue: function () {
+    var selectedModel = this.getSelected();
+    return selectedModel && selectedModel.get('val');
+  },
+
+  getHighlighted: function () {
+    return this.findWhere({ highlighted: true });
+  }
+
+});