Initial commit

lib/assets/javascripts/builder/data/overlays-definition-collection.js

@@ -0,0 +1,83 @@
+var Backbone = require('backbone');
+
+module.exports = Backbone.Collection.extend({
+  initialize: function (models, opts) {
+    if (!opts.configModel) throw new Error('configModel is required');
+    if (!opts.visId) throw new Error('visId is required');
+
+    this._configModel = opts.configModel;
+    this._visId = opts.visId;
+  },
+
+  url: function () {
+    var baseUrl = this._configModel.get('base_url');
+    var version = this._configModel.urlVersion('overlays');
+    return baseUrl + '/api/' + version + '/viz/' + this._visId + '/overlays';
+  },
+
+  hasFetched: function () {
+    return this.length > 0;
+  },
+
+  removeOverlay: function (type) {
+    var overlay = this.findWhere({type: type});
+    overlay && overlay.destroy();
+  },
+
+  createOverlay: function (type) {
+    var types = {
+      'fullscreen': this._createFullScreenOverlay,
+      'layer_selector': this._createLayerSelectorOverlay,
+      'search': this._createSearchOverlay,
+      'zoom': this._createZoomOverlay,
+      'logo': this._createLogoOverlay
+    };
+    var fn = types[type];
+    fn && fn.call(this);
+  },
+
+  _createZoomOverlay: function () {
+    var options = {
+      type: 'zoom',
+      order: 6,
+      display: true,
+      x: 20,
+      y: 20
+    };
+    this.create(options);
+  },
+
+  _createLogoOverlay: function () {
+    var options = {
+      type: 'logo',
+      order: 10,
+      display: true,
+      x: 10,
+      y: 40
+    };
+    this.create(options);
+  },
+
+  _createSearchOverlay: function () {
+    var options = {
+      type: 'search',
+      order: 3,
+      display: true,
+      x: 60,
+      y: 20
+    };
+    this.create(options);
+  },
+
+  _createFullScreenOverlay: function () {
+    var options = {
+      type: 'fullscreen',
+      order: 7,
+      display: true,
+      x: 20,
+      y: 172
+    };
+
+    this.create(options);
+  }
+});