Add layer rerender events

src/navigator/view/ItemView.js

@@ -84,6 +84,7 @@ export default Backbone.View.extend({
     this.listenTo(model, 'change:open', this.updateOpening);
     this.listenTo(model, 'change:layerable', this.updateLayerable);
     this.listenTo(model, 'change:style:display', this.updateVisibility);
+    this.listenTo(model, 'rerender:layer', this.render);
     this.className = `${pfx}layer ${pfx}layer__t-${type} no-select ${ppfx}two-color`;
     this.inputNameCls = `${ppfx}layer-name`;
     this.clsTitleC = `${pfx}layer-title-c`;
@@ -441,6 +442,8 @@ export default Backbone.View.extend({
   __render() {
     const { model, config, el } = this;
     const { onRender } = config;
-    onRender.bind(this)({ component: model, el });
+    const opt = { component: model, el };
+    onRender.bind(this)(opt);
+    this.em.trigger('layer:render', opt);
   }
 });