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<?php
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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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* Mustache helper render pix icons.
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*
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* @package core
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* @category output
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* @copyright 2015 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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namespace core\output;
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use Mustache_LambdaHelper;
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use renderer_base;
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/**
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* This class will call pix_icon with the section content.
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*
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* @copyright 2015 Damyon Wiese
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @since 2.9
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*/
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class mustache_pix_helper {
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/** @var renderer_base $renderer A reference to the renderer in use */
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private $renderer;
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/**
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* Save a reference to the renderer.
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* @param renderer_base $renderer
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*/
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public function __construct(renderer_base $renderer) {
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$this->renderer = $renderer;
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}
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/**
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* Read a pix icon name from a template and get it from pix_icon.
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*
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* {{#pix}}t/edit,component,Anything else is alt text{{/pix}}
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*
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* The args are comma separated and only the first is required.
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*
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* @param string $text The text to parse for arguments.
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* @param Mustache_LambdaHelper $helper Used to render nested mustache variables.
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* @return string
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*/
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public function pix($text, Mustache_LambdaHelper $helper) {
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// Split the text into an array of variables.
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$key = strtok($text, ",");
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$key = trim($helper->render($key));
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$component = strtok(",");
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$component = trim($helper->render($component));
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if (!$component) {
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$component = '';
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}
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$text = strtok("");
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// Allow mustache tags in the last argument.
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$text = trim($helper->render($text));
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// The $text has come from a template, so HTML special
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// chars have been escaped. However, render_pix_icon
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// assumes the alt arrives with no escaping. So we need
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// ot un-escape here.
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$text = htmlspecialchars_decode($text, ENT_COMPAT);
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return trim($this->renderer->pix_icon($key, $text, $component));
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}
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}
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