reintroduce _startListening in ItemSummaryBlock

frontend/src/item-summary-block/item-summary-block-view.ts

@@ -1,13 +1,9 @@
-import { once, includes, extend } from 'lodash';
+import { extend } from 'lodash';
 import { ViewOptions as BViewOptions } from 'backbone';
 
-import Model from '../core/model';
 import View from '../core/view';
-import { oa } from '../common-rdf/ns';
 import Node from '../common-rdf/node';
-import ldChannel from '../common-rdf/radio';
 import FlatItem from '../common-adapters/flat-item-model';
-import { getCssClassName, getLabel } from '../utilities/linked-data-utilities';
 
 import itemSummaryBlockTemplate from './item-summary-block-template';
 
@@ -33,11 +29,10 @@ export default class ItemSummaryBlockView extends View {
             this.model = new FlatItem(this.model);
         }
         if (this.model['complete']) {
-            this.render();
+            this._startListening();
         } else {
-            this.listenToOnce(this.model, 'complete', this.render);
+            this.listenToOnce(this.model, 'complete', this._startListening);
         }
-        this.listenTo(this.model, 'change:cssClass', this.updateClass);
     }
 
     _startListening(): void {
@@ -50,11 +45,6 @@ export default class ItemSummaryBlockView extends View {
 
     render(): this {
         this.$el.html(this.template(this.model.attributes));
-        this.updateClass();
-        return this;
-    }
-
-    updateClass(): this {
         let currentClass = this.model.get('cssClass');
         if (this.setClass != currentClass) {
             this.$el.removeClass(this.setClass);