Add removeChildren to ItemsView in Layers

src/navigator/view/ItemView.js

@@ -67,7 +67,6 @@ module.exports = require('backbone').View.extend({
     const components = model.get('components');
     model.set('open', false);
     this.listenTo(components, 'remove add change reset', this.checkChildren);
-    this.listenTo(model, 'destroy remove', this.remove);
     this.listenTo(model, 'change:status', this.updateStatus);
     this.listenTo(model, 'change:open', this.updateOpening);
     this.listenTo(model, 'change:style:display', this.updateVisibility);

src/navigator/view/ItemsView.js

@@ -16,6 +16,7 @@ module.exports = require('backbone').View.extend({
     const coll = this.collection;
     this.listenTo(coll, 'add', this.addTo);
     this.listenTo(coll, 'reset resetNavigator', this.render);
+    this.listenTo(coll, 'remove', this.removeChildren);
     this.className = `${pfx}layers`;
     const em = config.em;
 
@@ -44,6 +45,11 @@ module.exports = require('backbone').View.extend({
     parent && this.$el.data('model', parent);
   },
 
+  removeChildren(removed) {
+    const view = removed.viewLayer;
+    view.remove.apply(view);
+  },
+
   /**
    * Add to collection
    * @param Object Model