Initial commit

lib/assets/javascripts/builder/components/infobox/infobox-collection.js

@@ -0,0 +1,73 @@
+var Backbone = require('backbone');
+var InfoboxModel = require('./infobox-item-model');
+var _ = require('underscore');
+
+/*
+ *  Infobox states collection
+ */
+
+module.exports = Backbone.Collection.extend({
+  model: InfoboxModel,
+
+  initialize: function () {
+    this._initBinds();
+  },
+
+  reset: function (models, options) {
+    this._defaultSelected(models);
+    Backbone.Collection.prototype.reset.call(this, models, options);
+  },
+
+  _initBinds: function () {
+    this.on('change:selected', this._onSelectedChange, this);
+    this.on('reset', this._defaultSelected, this);
+  },
+
+  _defaultSelected: function (models) {
+    var selected = _.first(_.where(models, {selected: true}));
+    if (!selected) {
+      selected = _.first(models);
+      if (this._isModel(selected)) {
+        selected.set({selected: true}, {silent: true});
+      } else {
+        selected.selected = true;
+      }
+    }
+  },
+
+  _onSelectedChange: function (changedModel, isSelected) {
+    if (isSelected) {
+      this.each(function (m) {
+        if (m.cid !== changedModel.cid) {
+          m.set({selected: false}, {silent: true});
+        }
+      });
+    }
+  },
+
+  getState: function (state) {
+    return _.first(this.where({state: state}));
+  },
+
+  getSelected: function () {
+    var selected;
+    selected = _.first(this.where({selected: true}));
+    return selected;
+  },
+
+  setSelected: function (state) {
+    var selectedModel;
+
+    this.each(function (mdl) {
+      if (mdl.get('state') === state) {
+        mdl.set({selected: true}, {silent: true});
+        selectedModel = mdl;
+      } else {
+        mdl.set({selected: false}, {silent: true});
+      }
+    });
+
+    return selectedModel;
+  }
+
+});