Improved frontend of build page

assets/controllers/pages/checkbox_multicheck_controller.js

@@ -0,0 +1,39 @@
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import {Controller} from "@hotwired/stimulus";
+
+/*
+ * Define this controller on a checkbox, which should be used as a master to select/deselect all other checkboxes
+ * with the same data-multicheck-name attribute.
+ */
+export default class extends Controller
+{
+    connect() {
+        this.element.addEventListener("change", this.toggleAll.bind(this));
+    }
+
+    toggleAll() {
+        //Retrieve all checkboxes, which have the same data-multicheck-name attribute as the current checkbox
+        const checkboxes = document.querySelectorAll(`input[type="checkbox"][data-multicheck-name="${this.element.dataset.multicheckName}"]`);
+        for (let checkbox of checkboxes) {
+            checkbox.checked = this.element.checked;
+        }
+    }
+}