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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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* This module adds ajax search functions to the template library page.
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*
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* @module tool_templatelibrary/search
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* @copyright 2015 Damyon Wiese <damyon@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(['jquery', 'core/ajax', 'core/log', 'core/notification', 'core/templates', 'core/config'],
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function($, ajax, log, notification, templates, config) {
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/**
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* The ajax call has returned with a new list of templates.
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*
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* @method reloadListTemplate
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* @param {String[]} templateList List of template ids.
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*/
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var reloadListTemplate = function(templateList) {
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templates.render('tool_templatelibrary/search_results', {templates: templateList})
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.done(function(result, js) {
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templates.replaceNode($('[data-region="searchresults"]'), result, js);
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}).fail(notification.exception);
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};
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/**
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* Get the current values for the form inputs and refresh the list of matching templates.
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*
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* @method refreshSearch
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* @param {String} themename The naeme of the theme.
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*/
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var refreshSearch = function(themename) {
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var componentStr = $('[data-field="component"]').val();
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var searchStr = $('[data-region="list-templates"] [data-region="input"]').val();
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if (searchStr !== '') {
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$('[data-region="list-templates"] [data-action="clearsearch"]').removeClass('d-none');
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} else {
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$('[data-region="list-templates"] [data-action="clearsearch"]').addClass('d-none');
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}
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// Trigger the search.
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ajax.call([
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{methodname: 'tool_templatelibrary_list_templates',
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args: {component: componentStr, search: searchStr, themename: themename},
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done: reloadListTemplate,
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fail: notification.exception}
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], true, false);
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};
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var throttle = null;
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/**
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* Call the specified function after a delay. If this function is called again before the function is executed,
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* the function will only be executed once.
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*
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* @method queueRefresh
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* @param {function} callback
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* @param {Number} delay The time in milliseconds to delay.
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*/
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var queueRefresh = function(callback, delay) {
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if (throttle !== null) {
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window.clearTimeout(throttle);
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}
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throttle = window.setTimeout(function() {
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callback();
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throttle = null;
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}, delay);
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};
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var changeHandler = function() {
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queueRefresh(refreshSearch.bind(this, config.theme), 400);
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};
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// Add change handlers to refresh the list.
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$('[data-region="list-templates"]').on('change', '[data-field="component"]', changeHandler);
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$('[data-region="list-templates"]').on('input', '[data-region="input"]', changeHandler);
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$('[data-action="clearsearch"]').on('click', function() {
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$('[data-region="input"]').val('');
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refreshSearch(config.theme);
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$(this).addClass('d-none');
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});
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refreshSearch(config.theme);
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return {};
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});
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