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// 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/>.
/**
* This module adds ajax search functions to the template library page.
*
* @module tool_templatelibrary/search
* @package tool_templatelibrary
* @copyright 2015 Damyon Wiese <damyon@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define(['jquery', 'core/ajax', 'core/log', 'core/notification', 'core/templates', 'core/config'],
function($, ajax, log, notification, templates, config) {
/**
* The ajax call has returned with a new list of templates.
*
* @method reloadListTemplate
* @param {String[]} templateList List of template ids.
*/
var reloadListTemplate = function(templateList) {
templates.render('tool_templatelibrary/search_results', {templates: templateList})
.done(function(result, js) {
templates.replaceNode($('[data-region="searchresults"]'), result, js);
}).fail(notification.exception);
};
/**
* Get the current values for the form inputs and refresh the list of matching templates.
*
* @method refreshSearch
* @param {String} themename The naeme of the theme.
*/
var refreshSearch = function(themename) {
var componentStr = $('[data-field="component"]').val();
var searchStr = $('[data-field="search"]').val();
// Trigger the search.
document.location.hash = searchStr;
ajax.call([
{methodname: 'tool_templatelibrary_list_templates',
args: {component: componentStr, search: searchStr, themename: themename},
done: reloadListTemplate,
fail: notification.exception}
], true, false);
};
var throttle = null;
/**
* Call the specified function after a delay. If this function is called again before the function is executed,
* the function will only be executed once.
*
* @method queueRefresh
* @param {function} callback
* @param {Number} delay The time in milliseconds to delay.
*/
var queueRefresh = function(callback, delay) {
if (throttle !== null) {
window.clearTimeout(throttle);
}
throttle = window.setTimeout(function() {
callback();
throttle = null;
}, delay);
};
var changeHandler = function() {
queueRefresh(refreshSearch.bind(this, config.theme), 400);
};
// Add change handlers to refresh the list.
$('[data-region="list-templates"]').on('change', '[data-field="component"]', changeHandler);
$('[data-region="list-templates"]').on('input', '[data-field="search"]', changeHandler);
$('[data-field="search"]').val(document.location.hash.replace('#', ''));
refreshSearch(config.theme);
return {};
});