forked from thedannywahl/moodle2-codepen-textfilter
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
moodle 4.5 compatibility : MDL-82427
- Loading branch information
Showing
3 changed files
with
193 additions
and
163 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| <?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/>. | ||
|
|
||
| /** | ||
| * plugin details | ||
| * | ||
| * @package filter | ||
| * @subpackage codepen | ||
| * @copyright 2017 Arnaud Trouvé <moodle@arnaudtrouve.fr> | ||
| * @copyright 2014 Danny Wahl www.iyWare.com | ||
| * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | ||
| */ | ||
|
|
||
| namespace filter_codepen; | ||
| defined('MOODLE_INTERNAL') || die(); | ||
|
|
||
| class text_filter extends \moodle_text_filter { | ||
|
|
||
| /** | ||
| * @var array global configuration for this filter | ||
| * | ||
| * This might be eventually moved into parent class if we found it | ||
| * useful for other filters, too. | ||
| */ | ||
| protected static $globalconfig; | ||
|
|
||
| /** | ||
| * Apply the filter to the text | ||
| * | ||
| * @see filter_manager::apply_filter_chain() | ||
| * @param string $text to be processed by the text | ||
| * @param array $options filter options | ||
| * @return string text after processing | ||
| */ | ||
| public function filter($text, array $options = []) { | ||
| if (!isset($options['originalformat'])) { | ||
| // If the format is not specified, we are probably called by {@see format_string()} | ||
| // in that case, it would be dangerous to replace URL with the pen because it could be stripped. | ||
| // Therefore, we do nothing. | ||
| return $text; | ||
| } | ||
| if (!isset($this->localconfig['formats'])) { | ||
| $this->localconfig['formats'] = explode(',', $this->get_global_config('formats')); | ||
| } | ||
| if (in_array($options['originalformat'], $this->localconfig['formats'])) { | ||
| $this->convert_urls_into_codepens($text); | ||
| } | ||
| return $text; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the global filter setting | ||
| * | ||
| * If the $name is provided, returns single value. Otherwise returns all | ||
| * global settings in object. Returns null if the named setting is not | ||
| * found. | ||
| * | ||
| * @param mixed $name optional config variable name, defaults to null for all | ||
| * @return string|object|null | ||
| */ | ||
| protected function get_global_config($name=null) { | ||
| $this->load_global_config(); | ||
| if (is_null($name)) { | ||
| return self::$globalconfig; | ||
|
|
||
| } else if (property_exists(self::$globalconfig, $name)) { | ||
| return self::$globalconfig->{$name}; | ||
|
|
||
| } else { | ||
| return null; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Makes sure that the global config is loaded in $this->globalconfig | ||
| * | ||
| * @return void | ||
| */ | ||
| protected function load_global_config() { | ||
| if (is_null(self::$globalconfig)) { | ||
| self::$globalconfig = get_config('filter_codepen'); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Given some text this function converts any URLs it finds into embedded codepens. | ||
| * | ||
| * @param string $text Passed in by reference. The string to be searched for urls. | ||
| */ | ||
| protected function convert_urls_into_codepens(&$text) { | ||
| // I've added img tags to this list of tags to ignore. | ||
| // See MDL-21168 for more info. A better way to ignore tags whether or not | ||
| // they are escaped partially or completely would be desirable. For example: | ||
| // <a href="blah"> | ||
| // <a href="blah"> | ||
| // <a href="blah"> | ||
| $filterignoretagsopen = ['<a\s[^>]+?>']; | ||
| $filterignoretagsclose = ['</a>']; | ||
| $ignoretags = []; | ||
| filter_save_ignore_tags($text, $filterignoretagsopen, $filterignoretagsclose, $ignoretags); | ||
|
|
||
| static $unicoderegexp; | ||
| if (!isset($unicoderegexp)) { | ||
| $unicoderegexp = @preg_match('/\pL/u', 'a'); // This will fail silently, returning false. | ||
| } | ||
|
|
||
| $regex = '((https?://)?)(codepen.io\/)([a-zA-Z0-9_-]+)(\/pen\/)([a-zA-Z0-9_-]+)'; | ||
|
|
||
| if ($unicoderegexp) { | ||
| $regex = '#' . $regex . '#ui'; | ||
| } else { | ||
| $regex = '#' . preg_replace(['\pLl', '\PL'], 'a-z', $regex) . '#i'; | ||
| } | ||
|
|
||
| // Get the height from the settings page. | ||
| $height = $this->get_global_config('height'); | ||
|
|
||
| // Make sure that the value is set or set the default. | ||
| if (($height === 0) || (empty($height))) { | ||
| $height = 268; | ||
| } | ||
| $embedversion = $this->get_global_config('embedversion'); | ||
| $embedtheme = $this->get_global_config('embedtheme'); | ||
| $defaulttabs = $this->get_global_config('defaulttab'); | ||
|
|
||
| // Theme override settings. | ||
| $embedborder = $this->get_global_config('embedborder'); | ||
| $embedborder = 'data-border="' . $embedborder . '" '; | ||
|
|
||
| $embedbordercolor = $this->get_global_config('embedbordercolor'); | ||
| if (($this->get_global_config('embedborder') != 'none') && !empty($embedbordercolor)) { | ||
| $embedbordercolor = 'data-border-color="' . $embedbordercolor . '" '; | ||
| } else { | ||
| $embedbordercolor = ''; | ||
| } | ||
| $embedtabbarcolor = $this->get_global_config('embedtabbarcolor'); | ||
| if (!empty($embedtabbarcolor)) { | ||
| $embedtabbarcolor = 'data-tab-bar-color="' . $embedtabbarcolor . '" '; | ||
| } | ||
| $embedtablinkcolor = $this->get_global_config('embedtablinkcolor'); | ||
| if (!empty($embedtablinkcolor)) { | ||
| $embedtablinkcolor = 'data-tab-link-color="' . $embedtablinkcolor . '" '; | ||
| } | ||
| $embedactivetabcolor = $this->get_global_config('embedactivetabcolor'); | ||
| if (!empty($embedactivetabcolor)) { | ||
| $embedactivetabcolor = 'data-active-tab-color="' . $embedactivetabcolor . '" '; | ||
| } | ||
| $embedactivelinkcolor = $this->get_global_config('embedactivelinkcolor'); | ||
| if (!empty($embedactivelinkcolor)) { | ||
| $embedactivelinkcolor = 'data-active-link-color="' . $embedactivelinkcolor . '" '; | ||
| } | ||
| $embedlinklogocolor = $this->get_global_config('embedlinklogocolor'); | ||
| if (!empty($embedlinklogocolor)) { | ||
| $embedlinklogocolor = 'data-link-logo-color="' . $embedlinklogocolor . '" '; | ||
| } | ||
|
|
||
| $text = preg_replace($regex, '<p data-embed-version="' . $embedversion . | ||
| '" data-default-tab="' . $defaulttabs . | ||
| '" data-height="' . $height . | ||
| '" data-theme-id="' . $embedtheme . '" ' | ||
| . $embedborder | ||
| . $embedbordercolor | ||
| . $embedtabbarcolor | ||
| . $embedtablinkcolor | ||
| . $embedactivetabcolor | ||
| . $embedactivelinkcolor | ||
| . $embedlinklogocolor . ' | ||
| data-slug-hash="$6" data-user="$4" class="codepen"> | ||
| See the pen <a href="$0">$0</a> by (<a href="https://$3$4">@$4</a>) on <a href="https://$3">CodePen</a></p> | ||
| <script async src="//codepen.io/assets/embed/ei.js"></script>', $text); | ||
|
|
||
| if (!empty($ignoretags)) { | ||
| $ignoretags = array_reverse($ignoretags); // Reversed so "progressive" str_replace() will solve some nesting problems. | ||
| $text = str_replace(array_keys($ignoretags), $ignoretags, $text); | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters