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<?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/>.
/**
* Classic theme callbacks.
*
* @package theme_classic
* @copyright 2018 Bas Brands
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
// This line protects the file from being accessed by a URL directly.
defined('MOODLE_INTERNAL') || die();
/**
* Returns the main SCSS content.
*
* @param theme_config $theme The theme config object.
* @return string
*/
function theme_classic_get_main_scss_content($theme) {
global $CFG;
$scss = '';
$filename = !empty($theme->settings->preset) ? $theme->settings->preset : null;
$fs = get_file_storage();
$context = context_system::instance();
$scss .= file_get_contents($CFG->dirroot . '/theme/classic/scss/classic/pre.scss');
if ($filename && ($presetfile = $fs->get_file($context->id, 'theme_classic', 'preset', 0, '/', $filename))) {
$scss .= $presetfile->get_content();
} else {
// Safety fallback - maybe new installs etc.
$scss .= file_get_contents($CFG->dirroot . '/theme/classic/scss/preset/default.scss');
}
$scss .= file_get_contents($CFG->dirroot . '/theme/classic/scss/classic/post.scss');
return $scss;
}
/**
* Get SCSS to prepend.
*
* @param theme_config $theme The theme config object.
* @return array
*/
function theme_classic_get_pre_scss($theme) {
$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;
}
/**
* Inject additional SCSS.
*
* @param theme_config $theme The theme config object.
* @return string
*/
function theme_classic_get_extra_scss($theme) {
global $CFG;
$content = '';
// Set the page background image.
$imageurl = $theme->setting_file_url('backgroundimage', 'backgroundimage');
if (!empty($imageurl)) {
$content .= '$imageurl: "' . $imageurl . '";';
$content .= file_get_contents($CFG->dirroot .
'/theme/classic/scss/classic/body-background.scss');
}
if (!empty($theme->settings->navbardark)) {
$content .= file_get_contents($CFG->dirroot .
'/theme/classic/scss/classic/navbar-dark.scss');
} else {
$content .= file_get_contents($CFG->dirroot .
'/theme/classic/scss/classic/navbar-light.scss');
}
if (!empty($theme->settings->scss)) {
$content .= $theme->settings->scss;
}
return $content;
}
/**
* Get compiled css.
*
* @return string compiled css
*/
function theme_classic_get_precompiled_css() {
global $CFG;
return file_get_contents($CFG->dirroot . '/theme/classic/style/moodle.css');
}
/**
* 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 $options
* @return bool
*/
function theme_classic_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options = array()) {
if ($context->contextlevel == CONTEXT_SYSTEM && ($filearea === 'backgroundimage')) {
$theme = theme_config::load('classic');
// 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();
}
}