// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Show more action for availablity information.
*
* @module core_availability/availability_more
* @copyright 2021 Bas Brands <bas@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* Availability info selectors.
*/
const Selectors = {
regions: {
availability: '[data-region="availability-multiple"]',
},
actions: {
showmorelink: '[data-action="showmore"]'
},
classes: {
hidden: 'd-none',
visible: 'd-block',
}
};
/**
* Displays all the availability information in case part of it is hidden.
*
* @param {Event} event the triggered event
*/
const showMoreHandler = (event) => {
const triggerElement = event.target.closest(Selectors.actions.showmorelink);
if (triggerElement === null) {
return;
}
const container = triggerElement.closest(Selectors.regions.availability);
container.querySelectorAll('.' + Selectors.classes.hidden).forEach(function(node) {
node.classList.remove(Selectors.classes.hidden);
});
container.querySelectorAll('.' + Selectors.classes.visible).forEach(function(node) {
node.classList.remove(Selectors.classes.visible);
node.classList.add(Selectors.classes.hidden);
});
event.preventDefault();
};
/**
* Initialise the eventlister for the showmore action on availability information.
*
* @method init
*/
export const init = () => {
const body = document.querySelector('body');
if (!body.dataset.showmoreactive) {
document.addEventListener('click', showMoreHandler);
body.dataset.showmoreactive = 1;
}
};