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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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* The Standard icon system.
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*
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* @module core/icon_system_standard
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* @copyright 2017 Damyon Wiese
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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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import IconSystem from './icon_system';
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import * as CoreUrl from './url';
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import * as Mustache from './mustache';
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/**
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* The Standard icon system.
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*/
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export default class IconSystemStandard extends IconSystem {
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/**
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* Render an icon.
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*
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* @param {string} key
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* @param {string} component
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* @param {string} title
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* @param {string} template
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* @return {string}
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*/
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renderIcon(key, component, title, template) {
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const url = CoreUrl.imageUrl(key, component);
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const templatecontext = {
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attributes: [
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{name: 'src', value: url},
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{name: 'alt', value: title},
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{name: 'title', value: title},
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]
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};
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if (typeof title === "undefined" || title == "") {
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templatecontext.attributes.push({name: 'aria-hidden', value: 'true'});
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}
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return Mustache.render(template, templatecontext).trim();
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}
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/**
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* Get the name of the template to pre-cache for this icon system.
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*
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* @return {string}
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*/
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getTemplateName() {
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return 'core/pix_icon';
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}
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}
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