add barrating widget

Author: Andrew Telnov (DevExpress)

src/barrating.js

@@ -0,0 +1,32 @@
+import "./utils/surveyjs_importer.js";
+
+var widget = {
+    name: "barrating",
+    isFit : function(question) { return question.getType() === 'barrating'; },
+    isDefaultRender: true,
+    activatedByChanged: function(activatedBy) {
+        Survey.JsonObject.metaData.addClass("barrating", [  {name: "ratingTheme", default: "fontawesome-stars", choices: ["fontawesome-stars", "css-stars", "bars-pill", "bars-1to10", "bars-movie", "bars-square", "bars-reversed", "bars-horizontal", "bootstrap-stars", "fontawesome-stars-o"]},
+            {name: "showValues", default: false}, {name:"hasOther", visible: false}], null, "dropdown");
+    },
+    afterRender: function(question, el) {
+        var $el = $(el).is("select") ? $(el) : $(el).find("select");
+        $el.barrating('show', {
+            theme: question.ratingTheme,
+            initialRating: question.value,
+            showValues: question.showValues,
+            showSelectedRating: false,
+            onSelect: function(value, text) {
+                question.value = value;
+            }
+        });
+        question.valueChangedCallback = function() {
+            $(el).find('select').barrating('set', question.value);
+        }
+    },
+    willUnmount: function(question, el) {
+        var $el = $(el).find("select");
+        $el.barrating('destroy');
+    } 
+}
+
+Survey.CustomWidgetCollection.Instance.addCustomWidget(widget, "customtype");