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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 to initialise the Recently accessed items block.
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*
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* @module block_recentlyaccesseditems/main
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* @copyright 2018 Victor Deniz <victor@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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define(
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[
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'jquery',
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'block_recentlyaccesseditems/repository',
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'core/templates',
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'core/notification'
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],
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function(
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$,
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Repository,
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Templates,
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Notification
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) {
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var NUM_ITEMS = 9;
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// Maximum number of elements to display in the block initially.
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var NUM_ITEMS_INIT = 3;
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var SELECTORS = {
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CARDDECK_CONTAINER: '[data-region="recentlyaccesseditems-view"]',
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CARDDECK: '[data-region="recentlyaccesseditems-view-content"]',
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SHOWMORE_LINK: '[data-region="recentlyaccesseditems-view"] [data-action="more-items"]',
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};
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/**
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* Register event listeners.
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*/
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const registerEventListeners = () => {
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const showmoreLink = document.querySelector(SELECTORS.SHOWMORE_LINK);
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// Hide "Show more" link and show additional items.
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showmoreLink.addEventListener('click', () => {
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showmoreLink.classList.add('d-none');
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const hiddenItems = document.querySelector('[data-region="items-list"]').children;
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for (const hiddenItem of hiddenItems) {
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hiddenItem.style = "display: block";
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}
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});
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};
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/**
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* Get recent items from backend.
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*
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* @method getRecentItems
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* @param {int} limit Only return this many results
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* @return {array} Items user most recently has accessed
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*/
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var getRecentItems = function(limit) {
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return Repository.getRecentItems(limit);
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};
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/**
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* Render the block content.
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*
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* @method renderItems
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* @param {object} root The root element for the items view.
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* @param {array} items containing array of returned items.
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* @return {promise} Resolved with HTML and JS strings
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*/
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var renderItems = function(root, items) {
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if (items.length > 0) {
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let hasmoreitems = false;
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if (items.length > NUM_ITEMS_INIT) {
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hasmoreitems = true;
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}
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return Templates.render('block_recentlyaccesseditems/view-cards', {
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items: items,
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hasmoreitems: hasmoreitems
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});
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} else {
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var noitemsimgurl = root.attr('data-noitemsimgurl');
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return Templates.render('block_recentlyaccesseditems/no-items', {
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noitemsimgurl: noitemsimgurl
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});
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}
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};
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/**
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* Get and show the recent items into the block.
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*
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* @param {object} root The root element for the items block.
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*/
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var init = function(root) {
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root = $(root);
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var itemsContainer = root.find(SELECTORS.CARDDECK_CONTAINER);
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var itemsContent = root.find(SELECTORS.CARDDECK);
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var itemsPromise = getRecentItems(NUM_ITEMS);
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itemsPromise.then(function(items) {
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var pageContentPromise = renderItems(itemsContainer, items);
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pageContentPromise.then(function(html, js) {
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Templates.replaceNodeContents(itemsContent, html, js);
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if (items.length > 3) {
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registerEventListeners();
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}
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return null;
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}).catch(Notification.exception);
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}).catch(Notification.exception);
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};
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return {
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init: init
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};
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});
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