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Differences Between: [Versions 310 and 400] [Versions 310 and 401] [Versions 310 and 402] [Versions 310 and 403]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Classic theme callbacks.
  19   *
  20   * @package    theme_classic
  21   * @copyright  2018 Bas Brands
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  // This line protects the file from being accessed by a URL directly.
  26  defined('MOODLE_INTERNAL') || die();
  27  
  28  /**
  29   * Returns the main SCSS content.
  30   *
  31   * @param theme_config $theme The theme config object.
  32   * @return string
  33   */
  34  function theme_classic_get_main_scss_content($theme) {
  35      global $CFG;
  36  
  37      $scss = '';
  38      $filename = !empty($theme->settings->preset) ? $theme->settings->preset : null;
  39      $fs = get_file_storage();
  40  
  41      $context = context_system::instance();
  42      $scss .= file_get_contents($CFG->dirroot . '/theme/classic/scss/classic/pre.scss');
  43      if ($filename && ($presetfile = $fs->get_file($context->id, 'theme_classic', 'preset', 0, '/', $filename))) {
  44          $scss .= $presetfile->get_content();
  45      } else {
  46          // Safety fallback - maybe new installs etc.
  47          $scss .= file_get_contents($CFG->dirroot . '/theme/classic/scss/preset/default.scss');
  48      }
  49      $scss .= file_get_contents($CFG->dirroot . '/theme/classic/scss/classic/post.scss');
  50  
  51      return $scss;
  52  }
  53  
  54  /**
  55   * Get SCSS to prepend.
  56   *
  57   * @param theme_config $theme The theme config object.
  58   * @return array
  59   */
  60  function theme_classic_get_pre_scss($theme) {
  61      $scss = '';
  62      $configurable = [
  63          // Config key => [variableName, ...].
  64          'brandcolor' => ['primary'],
  65      ];
  66  
  67      // Prepend variables first.
  68      foreach ($configurable as $configkey => $targets) {
  69          $value = isset($theme->settings->{$configkey}) ? $theme->settings->{$configkey} : null;
  70          if (empty($value)) {
  71              continue;
  72          }
  73          array_map(function($target) use (&$scss, $value) {
  74              $scss .= '$' . $target . ': ' . $value . ";\n";
  75          }, (array) $targets);
  76      }
  77  
  78      // Prepend pre-scss.
  79      if (!empty($theme->settings->scsspre)) {
  80          $scss .= $theme->settings->scsspre;
  81      }
  82  
  83      return $scss;
  84  }
  85  
  86  /**
  87   * Inject additional SCSS.
  88   *
  89   * @param theme_config $theme The theme config object.
  90   * @return string
  91   */
  92  function theme_classic_get_extra_scss($theme) {
  93      global $CFG;
  94      $content = '';
  95  
  96      // Set the page background image.
  97      $imageurl = $theme->setting_file_url('backgroundimage', 'backgroundimage');
  98      if (!empty($imageurl)) {
  99          $content .= '$imageurl: "' . $imageurl . '";';
 100          $content .= file_get_contents($CFG->dirroot .
 101              '/theme/classic/scss/classic/body-background.scss');
 102      }
 103  
 104      if (!empty($theme->settings->navbardark)) {
 105          $content .= file_get_contents($CFG->dirroot .
 106              '/theme/classic/scss/classic/navbar-dark.scss');
 107      } else {
 108          $content .= file_get_contents($CFG->dirroot .
 109              '/theme/classic/scss/classic/navbar-light.scss');
 110      }
 111      if (!empty($theme->settings->scss)) {
 112          $content .= $theme->settings->scss;
 113      }
 114      return $content;
 115  }
 116  
 117  /**
 118   * Get compiled css.
 119   *
 120   * @return string compiled css
 121   */
 122  function theme_classic_get_precompiled_css() {
 123      global $CFG;
 124      return file_get_contents($CFG->dirroot . '/theme/classic/style/moodle.css');
 125  }
 126  
 127  /**
 128   * Serves any files associated with the theme settings.
 129   *
 130   * @param stdClass $course
 131   * @param stdClass $cm
 132   * @param context $context
 133   * @param string $filearea
 134   * @param array $args
 135   * @param bool $forcedownload
 136   * @param array $options
 137   * @return bool
 138   */
 139  function theme_classic_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options = array()) {
 140      if ($context->contextlevel == CONTEXT_SYSTEM && ($filearea === 'backgroundimage')) {
 141          $theme = theme_config::load('classic');
 142          // By default, theme files must be cache-able by both browsers and proxies.
 143          if (!array_key_exists('cacheability', $options)) {
 144              $options['cacheability'] = 'public';
 145          }
 146          return $theme->setting_file_serve($filearea, $args, $forcedownload, $options);
 147      } else {
 148          send_file_not_found();
 149      }
 150  }