Files
liceo-ariosto/media/system/js/multiselect.js
2025-06-17 11:53:18 +02:00

103 lines
3.6 KiB
JavaScript

/**
* @copyright (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
/**
* JavaScript behavior to allow shift select in administrator grids
*/
(Joomla => {
class JMultiSelect {
constructor(formElement) {
this.tableEl = document.querySelector(formElement);
if (this.tableEl) {
this.boxes = [].slice.call(this.tableEl.querySelectorAll('td input[type=checkbox]'));
this.rows = [].slice.call(document.querySelectorAll('tr[class^="row"]'));
this.checkallToggle = document.querySelector('[name="checkall-toggle"]');
this.onCheckallToggleClick = this.onCheckallToggleClick.bind(this);
this.onRowClick = this.onRowClick.bind(this);
if (this.checkallToggle) {
this.checkallToggle.addEventListener('click', this.onCheckallToggleClick);
}
if (this.rows.length) {
this.rows.forEach(row => {
row.addEventListener('click', this.onRowClick);
});
}
}
}
// Changes the background-color on every cell inside a <tr>
// eslint-disable-next-line class-methods-use-this
changeBg(row, isChecked) {
// Check if it should add or remove the background colour
if (isChecked) {
[].slice.call(row.querySelectorAll('td, th')).forEach(elementToMark => {
elementToMark.classList.add('row-selected');
});
} else {
[].slice.call(row.querySelectorAll('td, th')).forEach(elementToMark => {
elementToMark.classList.remove('row-selected');
});
}
}
onCheckallToggleClick({
target
}) {
const isChecked = target.checked;
this.rows.forEach(row => {
this.changeBg(row, isChecked);
});
}
onRowClick({
target,
shiftKey
}) {
// Do not interfere with links or buttons
if (target.tagName && (target.tagName.toLowerCase() === 'a' || target.tagName.toLowerCase() === 'button')) {
return;
}
if (!this.boxes.length) {
return;
}
const closestRow = target.closest('tr');
const currentRowNum = this.rows.indexOf(closestRow);
const currentCheckBox = closestRow.querySelector('td input[type=checkbox]');
if (currentCheckBox) {
let isChecked = currentCheckBox.checked;
if (!(target.id === currentCheckBox.id)) {
// We will prevent selecting text to prevent artifacts
if (shiftKey) {
document.body.style['-webkit-user-select'] = 'none';
document.body.style['-moz-user-select'] = 'none';
document.body.style['-ms-user-select'] = 'none';
document.body.style['user-select'] = 'none';
}
currentCheckBox.checked = !currentCheckBox.checked;
isChecked = currentCheckBox.checked;
Joomla.isChecked(isChecked, this.tableEl.id);
}
this.changeBg(this.rows[currentRowNum], isChecked);
// Restore normality
if (shiftKey) {
document.body.style['-webkit-user-select'] = 'none';
document.body.style['-moz-user-select'] = 'none';
document.body.style['-ms-user-select'] = 'none';
document.body.style['user-select'] = 'none';
}
}
}
}
const onBoot = () => {
let formId = '#adminForm';
if (Joomla && Joomla.getOptions('js-multiselect', {}).formName) {
formId = `#${Joomla.getOptions('js-multiselect', {}).formName}`;
}
// eslint-disable-next-line no-new
new JMultiSelect(formId);
};
document.addEventListener('DOMContentLoaded', onBoot);
})(Joomla);