Proyectos de Subversion Moodle

<?php

// 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/>.

namespace core\output;

use core\exception\coding_exception;

use core\exception\moodle_exception;

use core_component;

/**

 * Get information about valid locations for mustache templates.

 *

 * @copyright  2015 Damyon Wiese

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 * @since      2.9

 * @package core

 */

class mustache_template_finder {

    /**

     * Helper function for getting a list of valid template directories for a specific component.

     *

     * @param string $component The component to search

     * @param string $themename The current theme name

     * @return string[] List of valid directories for templates for this compoonent. Directories are not checked for existence.

     */

    public static function get_template_directories_for_component($component, $themename = '') {

        global $CFG, $PAGE;

        // Default the param.

        if ($themename == '') {

            $themename = $PAGE->theme->name;

        }

        // Clean params for safety.

        $component = clean_param($component, PARAM_COMPONENT);

        $themename = clean_param($themename, PARAM_COMPONENT);

        // Validate the component.

        $dirs = [];

        $compdirectory = core_component::get_component_directory($component);

        if (!$compdirectory) {

            throw new coding_exception("Component was not valid: " . s($component));

        }

        // Find the parent themes.

        $parents = [];

        if ($themename === $PAGE->theme->name) {

            $parents = $PAGE->theme->parents;

        } else {

            $themeconfig = theme_config::load($themename);

            $parents = $themeconfig->parents;

        }

        // First check the theme.

        $dirs[] = $CFG->dirroot . '/theme/' . $themename . '/templates/' . $component . '/';

        if (isset($CFG->themedir)) {

            $dirs[] = $CFG->themedir . '/' . $themename . '/templates/' . $component . '/';

        }

        // Now check the parent themes.

        // Search each of the parent themes second.

        foreach ($parents as $parent) {

            $dirs[] = $CFG->dirroot . '/theme/' . $parent . '/templates/' . $component . '/';

            if (isset($CFG->themedir)) {

                $dirs[] = $CFG->themedir . '/' . $parent . '/templates/' . $component . '/';

            }

        }

        $dirs[] = $compdirectory . '/templates/';

        return $dirs;

    }

    /**

     * Helper function for getting a filename for a template from the template name.

     *

     * @param string $name - This is the componentname/templatename combined.

     * @param string $themename - This is the current theme name.

     * @return string

     */

    public static function get_template_filepath($name, $themename = '') {

        global $CFG, $PAGE;

        if (strpos($name, '/') === false) {

            throw new coding_exception('Templates names must be specified as "componentname/templatename"' .

                                       ' (' . s($name) . ' requested) ');

        }

        [$component, $templatename] = explode('/', $name, 2);

        $component = clean_param($component, PARAM_COMPONENT);

        $dirs = self::get_template_directories_for_component($component, $themename);

        foreach ($dirs as $dir) {

            $candidate = $dir . $templatename . '.mustache';

            if (file_exists($candidate)) {

                return $candidate;

            }

        }

        throw new moodle_exception('filenotfound', 'error', '', null, $name);

    }

}