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/*
** Copyright (C) 2001-2025 Zabbix SIA
**
** 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, version 3.
**
** 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/>.
**/
class CWidgetFieldCheckboxList {
/**
* @type {HTMLInputElement}
*/
#empty_input_element;
/**
* @type {Array<HTMLInputElement>}
*/
#checkboxes;
constructor(field_name) {
this.#empty_input_element = document.querySelector(`input[type="hidden"][name="${field_name}"]`);
this.#checkboxes = [...document.querySelectorAll(`input[type="checkbox"][name="${field_name}[]"]`)];
this.#initField();
this.#update();
}
#initField() {
const observer = new MutationObserver(() => this.#update());
for (const checkbox of this.#checkboxes) {
checkbox.addEventListener('change', () => this.#update());
observer.observe(checkbox, {attributeFilter: ['disabled']});
}
}
#update() {
this.#empty_input_element.disabled = this.#checkboxes
.filter((checkbox) => checkbox.checked && !checkbox.disabled).length > 0;
}
}
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