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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Javascript popover for the `core_calendar` subsystem.
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*
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* @module core_calendar/popover
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* @copyright 2021 Huong Nguyen <huongnv13@gmail.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @since 4.0
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*/
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import 'theme_boost/popover';
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import jQuery from 'jquery';
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import * as CalendarSelectors from 'core_calendar/selectors';
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/**
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* Check if we are allowing to enable the popover or not.
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* @param {Element} dateContainer
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* @returns {boolean}
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*/
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const isPopoverAvailable = (dateContainer) => {
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return window.getComputedStyle(dateContainer.querySelector(CalendarSelectors.elements.dateContent)).display === 'none';
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};
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const isPopoverConfigured = new Map();
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const showPopover = target => {
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const dateContainer = target.closest(CalendarSelectors.elements.dateContainer);
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if (!isPopoverConfigured.has(dateContainer)) {
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const dateEle = jQuery(target);
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dateEle.popover({
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trigger: 'manual',
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placement: 'top',
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html: true,
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title: dateContainer.dataset.title,
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content: () => {
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const source = jQuery(dateContainer).find(CalendarSelectors.elements.dateContent);
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const content = jQuery('<div>');
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if (source.length) {
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const temptContent = source.find('.hidden').clone(false);
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content.html(temptContent.html());
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}
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return content.html();
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}
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});
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isPopoverConfigured.set(dateContainer, true);
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}
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if (isPopoverAvailable(dateContainer)) {
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jQuery(target).popover('show');
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target.addEventListener('mouseleave', hidePopover);
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target.addEventListener('focusout', hidePopover);
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}
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};
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const hidePopover = e => {
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const target = e.target;
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const dateContainer = e.target.closest(CalendarSelectors.elements.dateContainer);
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if (!dateContainer) {
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return;
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}
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if (isPopoverConfigured.has(dateContainer)) {
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const isTargetActive = target.contains(document.activeElement);
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const isTargetHover = target.matches(':hover');
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if (!isTargetActive && !isTargetHover) {
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jQuery(target).popover('hide');
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target.removeEventListener('mouseleave', hidePopover);
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target.removeEventListener('focusout', hidePopover);
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}
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}
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};
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/**
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* Register events for date container.
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*/
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const registerEventListeners = () => {
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const showPopoverHandler = (e) => {
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const dayLink = e.target.closest(CalendarSelectors.links.dayLink);
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if (!dayLink) {
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return;
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}
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e.preventDefault();
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showPopover(dayLink);
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};
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document.addEventListener('mouseover', showPopoverHandler);
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document.addEventListener('focusin', showPopoverHandler);
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};
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let listenersRegistered = false;
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if (!listenersRegistered) {
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registerEventListeners();
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listenersRegistered = true;
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}
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