Reuse traits view

src/domain_abstract/view/DomainViews.js

@@ -29,20 +29,24 @@ export default Backbone.View.extend({
    * @private
    * */
   add(model, fragment) {
+    const { config, reuseView } = this;
     var frag = fragment || null;
     var itemView = this.itemView;
     var typeField = model.get(this.itemType);
+    let view;
+
     if (this.itemsView && this.itemsView[typeField]) {
       itemView = this.itemsView[typeField];
     }
-    var view = new itemView(
-      {
-        model,
-        config: this.config
-      },
-      this.config
-    );
-    var rendered = view.render().el;
+
+    if (model.view && reuseView) {
+      view = model.view;
+    } else {
+      view = new itemView({ model, config }, config);
+      view.render();
+    }
+
+    var rendered = view.el;
 
     if (frag) frag.appendChild(rendered);
     else this.$el.append(rendered);

src/trait_manager/view/TraitSelectView.js

@@ -51,7 +51,6 @@ export default TraitView.extend({
       });
 
       input += '</select>';
-      this.input = input;
       this.$input = $(input);
       let val = model.getTargetValue() || model.get('value');
       !isUndefined(val) && this.$input.val(val);

src/trait_manager/view/TraitView.js

@@ -162,7 +162,7 @@ export default Backbone.View.extend({
 
   getInputElem() {
     const { input, $input } = this;
-    return input || ($input && $input.get(0));
+    return input || ($input && $input.get(0)) || this.getElInput();
   },
 
   getModelValue() {

src/trait_manager/view/TraitsView.js

@@ -8,6 +8,7 @@ import TraitButtonView from './TraitButtonView';
 
 export default DomainViews.extend({
   itemView: TraitView,
+  reuseView: 1,
 
   itemsView: {
     text: TraitView,