Initial commit

lib/assets/javascripts/builder/components/tab-pane/tab-pane-collection.js

@@ -0,0 +1,80 @@
+var Backbone = require('backbone');
+var _ = require('underscore');
+
+module.exports = Backbone.Collection.extend({
+  constructor: function (models, options) {
+    options = _.extend(options || {}, { silent: false });
+    Backbone.Collection.prototype.constructor.call(this, models, options);
+  },
+
+  initialize: function (models, options) {
+    this._disabledTabs = options.disabledTabs;
+
+    this._initBinds();
+
+    this._setSelected();
+  },
+
+  _initBinds: function () {
+    this.bind('reset', this._setSelected, this);
+    this.bind('change:selected', this._onSelectedChange, this);
+  },
+
+  getSelected: function () {
+    return this.find(function (model) {
+      return model.get('selected');
+    });
+  },
+
+  getDefault: function () {
+    return this.find(function (model) {
+      return model.get('name') === this.getDefaultName();
+    }, this);
+  },
+
+  getDisabledTabs: function () {
+    return this._disabledTabs || [];
+  },
+
+  getDefaultName: function () {
+    return this._defaultTab;
+  },
+
+  isDisabledTab: function (name) {
+    var disabledTab = this.find(function (model) {
+      return model.get('disabled') && model.get('name') === name;
+    });
+
+    return !!disabledTab;
+  },
+
+  _setSelected: function () {
+    var isSelected = this.getSelected();
+
+    if (!isSelected && this.size() > 0) {
+      this.at(0).set('selected', true);
+    }
+  },
+
+  _onSelectedChange: function (itemModel, isSelected) {
+    if (!isSelected) {
+      return;
+    }
+
+    this.each(function (model) {
+      if (model !== itemModel) {
+        model.set('selected', false);
+      }
+    }, this);
+  },
+
+  select: function (name, value) {
+    var model = this.find(function (m) {
+      return m.get(name) === value;
+    }, this);
+
+    if (model) {
+      model.set('selected', true);
+    }
+  }
+});