Adjust: open folder when childoptions selected by selecting folder

Author: pkempenaers

src/app/component/option-row/option-row.controller.js

@@ -8,12 +8,37 @@
 this.dropdownTreeService = dropdownTreeService;
 this.$element = $element;
 
+this.previousSelected = [];
+
 if (this.isFolder()) {
 this.isOpen = this.dropdownTreeService
 .shouldFolderBeOpen(this.option, this.settings, this.selectedOptions);
 }
 }
 
+$doCheck() {
+if (angular.isDefined(this.selectedOptions) &&
+!this.dropdownTreeService.areSameSelections(this.selectedOptions, this.previousSelected) &&
+this.isFolder()) {
+const newSelection = [];
+this.selectedOptions.forEach((selectedOption) => {
+if (this.previousSelected.indexOf(selectedOption) < 0) {
+newSelection.push(selectedOption);
+}
+});
+
+this.getChildOptions().some((childOption) => {
+if (newSelection.indexOf(childOption) >= 0) {
+this.isOpen = true;
+return true;
+}
+return false;
+});
+
+this.previousSelected = angular.extend([], this.selectedOptions);
+}
+}
+
 getDisplayText() {
 return this.dropdownTreeService.getDisplayText(this.option, this.settings);
 }

src/app/main/main.controller.js

@@ -20,7 +20,7 @@
 label: 'test child option c',
 },
 {
-name: 'f',
+name: 'fa',
 label: 'test child option f',
 },
 {