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/>.

/**

 * Theme functions.

 *

 * @package    theme_boost

 * @copyright  2016 Frédéric Massart - FMCorz.net

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

 */

defined('MOODLE_INTERNAL') || die();

/**

 * Post process the CSS tree.

 *

 * @param string $tree The CSS tree.

 * @param theme_config $theme The theme config object.

 */

function theme_boost_css_tree_post_processor($tree, $theme) {

    error_log('theme_boost_css_tree_post_processor() is deprecated. Required' .

        'prefixes for Bootstrap are now in theme/boost/scss/moodle/prefixes.scss');

    $prefixer = new theme_boost\autoprefixer($tree);

    $prefixer->prefix();

}

/**

 * Inject additional SCSS.

 *

 * @param theme_config $theme The theme config object.

 * @return string

 */

function theme_boost_get_extra_scss($theme) {

    $content = '';

    $imageurl = $theme->setting_file_url('backgroundimage', 'backgroundimage');

    // Sets the background image, and its settings.

    if (!empty($imageurl)) {

        $content .= '@media (min-width: 768px) {';

        $content .= 'body { ';

        $content .= "background-image: url('$imageurl'); background-size: cover;";

        $content .= ' } }';

    }

    // Sets the login background image.

    $loginbackgroundimageurl = $theme->setting_file_url('loginbackgroundimage', 'loginbackgroundimage');

    if (!empty($loginbackgroundimageurl)) {

        $content .= 'body.pagelayout-login #page { ';

        $content .= "background-image: url('$loginbackgroundimageurl'); background-size: cover;";

        $content .= ' }';

    }

    // Always return the background image with the scss when we have it.

    return !empty($theme->settings->scss) ? "{$theme->settings->scss}  \n  {$content}" : $content;

}

/**

 * Serves any files associated with the theme settings.

 *

 * @param stdClass $course

 * @param stdClass $cm

 * @param context $context

 * @param string $filearea

 * @param array $args

 * @param bool $forcedownload

 * @param array $options

 * @return bool

 */

function theme_boost_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options = array()) {

    if ($context->contextlevel == CONTEXT_SYSTEM && ($filearea === 'logo' || $filearea === 'backgroundimage' ||

        $filearea === 'loginbackgroundimage')) {

        $theme = theme_config::load('boost');

        // By default, theme files must be cache-able by both browsers and proxies.

        if (!array_key_exists('cacheability', $options)) {

            $options['cacheability'] = 'public';

        }

        return $theme->setting_file_serve($filearea, $args, $forcedownload, $options);

    } else {

        send_file_not_found();

    }

}

/**

 * Get the current user preferences that are available

 *

 * @return array[]

 */

function theme_boost_user_preferences(): array {

    return [

        'drawer-open-block' => [

            'type' => PARAM_BOOL,

            'null' => NULL_NOT_ALLOWED,

            'default' => false,

            'permissioncallback' => [core_user::class, 'is_current_user'],

        ],

        'drawer-open-index' => [

            'type' => PARAM_BOOL,

            'null' => NULL_NOT_ALLOWED,

            'default' => true,

            'permissioncallback' => [core_user::class, 'is_current_user'],

        ],

    ];

}

/**

 * Returns the main SCSS content.

 *

 * @param theme_config $theme The theme config object.

 * @return string

 */

function theme_boost_get_main_scss_content($theme) {

    global $CFG;

    $scss = '';

    $filename = !empty($theme->settings->preset) ? $theme->settings->preset : null;

    $fs = get_file_storage();

    $context = context_system::instance();

    if ($filename == 'default.scss') {

        $scss .= file_get_contents($CFG->dirroot . '/theme/boost/scss/preset/default.scss');

    } else if ($filename == 'plain.scss') {

        $scss .= file_get_contents($CFG->dirroot . '/theme/boost/scss/preset/plain.scss');

    } else if ($filename && ($presetfile = $fs->get_file($context->id, 'theme_boost', 'preset', 0, '/', $filename))) {

        $scss .= $presetfile->get_content();

    } else {

        // Safety fallback - maybe new installs etc.

        $scss .= file_get_contents($CFG->dirroot . '/theme/boost/scss/preset/default.scss');

    }

    return $scss;

}

/**

 * Get compiled css.

 *

 * @return string compiled css

 */

function theme_boost_get_precompiled_css() {

    global $CFG;

    return file_get_contents($CFG->dirroot . '/theme/boost/style/moodle.css');

}

/**

 * Get SCSS to prepend.

 *

 * @param theme_config $theme The theme config object.

 * @return string

 */

function theme_boost_get_pre_scss($theme) {

    global $CFG;

    $scss = '';

    $configurable = [

        // Config key => [variableName, ...].

        'brandcolor' => ['primary'],

    ];

    // Prepend variables first.

    foreach ($configurable as $configkey => $targets) {

        $value = isset($theme->settings->{$configkey}) ? $theme->settings->{$configkey} : null;

        if (empty($value)) {

            continue;

        }

        array_map(function($target) use (&$scss, $value) {

            $scss .= '$' . $target . ': ' . $value . ";\n";

        }, (array) $targets);

    }

    // Prepend pre-scss.

    if (!empty($theme->settings->scsspre)) {

        $scss .= $theme->settings->scsspre;

    }

    return $scss;

}