Initial commit

lib/assets/javascripts/builder/data/state-definition-model.js

@@ -0,0 +1,53 @@
+var Backbone = require('backbone');
+var syncAbort = require('./backbone/sync-abort');
+
+/**
+ * State definition model.
+ * Used to persist the dashboard state at any time
+ */
+module.exports = Backbone.Model.extend({
+
+  /**
+   * @override {Backbone.prototype.sync} abort ongoing request if there is any
+   */
+  sync: syncAbort,
+
+  url: function () {
+    return this._visDefinitionModel.stateURL();
+  },
+
+  isNew: function () {
+    return false;
+  },
+
+  initialize: function (attrs, opts) {
+    if (!attrs.json) throw new Error('state json is required');
+    if (!opts.visDefinitionModel) throw new Error('visDefinitionModel is required');
+
+    this._visDefinitionModel = opts.visDefinitionModel;
+  },
+
+  toJSON: function () {
+    return {
+      json: this.get('json')
+    };
+  },
+
+  updateState: function (state) {
+    this.save({
+      json: state
+    });
+  },
+
+  setBounds: function (bounds) {
+    this.trigger('boundsSet', bounds);
+  },
+
+  getZoom: function () {
+    return this.get('json').map.zoom;
+  },
+
+  getCenter: function () {
+    return this.get('json').map.center;
+  }
+});