--- /dev/null
+<?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/>.
+
+/**
+ * Filter converting emoticon texts into images
+ *
+ * This filter uses the emoticon settings in Site admin > Appearance > HTML settings
+ * and replaces emoticon texts with images.
+ *
+ * @package filter
+ * @subpackage emoticon
+ * @see emoticon_manager
+ * @copyright 2010 David Mudrak <david@moodle.com>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+class filter_emoticon 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 $options = array()) {
+
+ if (!isset($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 text with the image because it could
+ // be stripped. therefore, we do nothing
+ return $text;
+ }
+ if (in_array($options['originalformat'], explode(',', $this->get_global_config('formats')))) {
+ $this->replace_emoticons($text);
+ }
+ return $text;
+ }
+
+ ////////////////////////////////////////////////////////////////////////////
+ // internal implementation starts here
+ ////////////////////////////////////////////////////////////////////////////
+
+ /**
+ * 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::$globalconfig;
+
+ } elseif (array_key_exists($name, self::$globalconfig)) {
+ return self::$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_emoticon');
+ }
+ }
+
+ /**
+ * Replace emoticons found in the text with their images
+ *
+ * @param string $text to modify
+ * @return void
+ */
+ protected function replace_emoticons(&$text) {
+ global $CFG, $OUTPUT, $PAGE;
+ static $emoticontexts = array(); // internal cache used for replacing
+ static $emoticonimgs = array(); // internal cache used for replacing
+
+ $lang = current_language();
+ $theme = $PAGE->theme->name;
+
+ if (!isset($emoticontexts[$lang][$theme]) or !isset($emoticonimgs[$lang][$theme])) {
+ // prepare internal caches
+ $manager = get_emoticon_manager();
+ $emoticons = $manager->get_emoticons();
+ $emoticontexts[$lang][$theme] = array();
+ $emoticonimgs[$lang][$theme] = array();
+ foreach ($emoticons as $emoticon) {
+ $emoticontexts[$lang][$theme][] = $emoticon->text;
+ $emoticonimgs[$lang][$theme][] = $OUTPUT->render($manager->prepare_renderable_emoticon($emoticon));
+ }
+ unset($emoticons);
+ }
+
+ if (empty($emoticontexts[$lang][$theme])) { // No emoticons defined, nothing to process here
+ return;
+ }
+
+ // detect all the <script> zones to take out
+ $excludes = array();
+ preg_match_all('/<script language(.+?)<\/script>/is', $text, $listofexcludes);
+
+ // take out all the <script> zones from text
+ foreach (array_unique($listofexcludes[0]) as $key => $value) {
+ $excludes['<+'.$key.'+>'] = $value;
+ }
+ if ($excludes) {
+ $text = str_replace($excludes, array_keys($excludes), $text);
+ }
+
+ // this is the meat of the code - this is run every time
+ $text = str_replace($emoticontexts[$lang][$theme], $emoticonimgs[$lang][$theme], $text);
+
+ // Recover all the <script> zones to text
+ if ($excludes) {
+ $text = str_replace(array_keys($excludes), $excludes, $text);
+ }
+ }
+}
--- /dev/null
+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * @package filter
+ * @subpackage emoticon
+ * @copyright 2010 David Mudrak <david@moodle.com>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+if ($ADMIN->fulltree) {
+
+ $settings->add(new admin_setting_configmulticheckbox('filter_emoticon/formats',
+ get_string('settingformats', 'filter_emoticon'),
+ get_string('settingformats_desc', 'filter_emoticon'),
+ array(FORMAT_HTML => 1, FORMAT_MARKDOWN => 1, FORMAT_MOODLE => 1), format_text_menu()));
+}
--- /dev/null
+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Strings for filter_emoticon
+ *
+ * @package filter
+ * @subpackage emoticon
+ * @copyright 2010 David Mudrak <david@moodle.com>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$string['filtername'] = 'Display emoticons as images';
+$string['settingformats'] = 'Apply to formats';
+$string['settingformats_desc'] = 'The filter will be applied only if the original text was inserted in one of the selected formats.';
--- /dev/null
+<?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/>.
+
+/**
+ * @package filter
+ * @subpackage emoticon
+ * @copyright 2010 David Mudrak <david@moodle.com>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$plugin->version = 2010102300;
'algebra',
'censor',
'emailprotect',
+ 'emoticon',
'filter',
'mediaplugin',
'multilang',
return '';
}
+/**
+ * Was used to replace all known smileys in the text with image equivalents
+ *
+ * This core function has been replaced with filter_emoticon since Moodle 2.0
+ */
+function replace_smilies(&$text) {
+ debugging('replace_smilies() has been deprecated and replaced with the new filter_emoticon');
+}
+
/**
* deprecated - use clean_param($string, PARAM_FILE); instead
* Check for bad characters ?
*/
function format_text($text, $format = FORMAT_MOODLE, $options = NULL, $courseid_do_not_use = NULL) {
global $CFG, $COURSE, $DB, $PAGE;
-
static $croncache = array();
if ($text === '') {
$options = (array)$options; // detach object, we can not modify it
-
if (!isset($options['trusted'])) {
$options['trusted'] = false;
}
return '<'. $slash . $elem . $attStr . $xhtml_slash .'>';
}
-/**
- * Replaces all known smileys in the text with image equivalents
- *
- * @global object
- * @staticvar array $e
- * @staticvar array $img
- * @staticvar array $emoticons
- * @param string $text Passed by reference. The string to search for smiley strings.
- * @return string
- */
-function replace_smilies(&$text) {
- global $CFG, $OUTPUT;
- static $emoticons = null;
- static $e = array(); // array of emoticon texts like ':-)'
- static $img = array(); // array of HTML to replace emoticon text with
-
- $manager = get_emoticon_manager();
-
- if (is_null($emoticons)) {
- $emoticons = $manager->get_emoticons();
- }
-
- if (empty($emoticons)) { /// No emoticons defined, nothing to process here
- return;
- }
-
- $lang = current_language();
-
- if (empty($img[$lang])) { /// After the first time this is not run again
- $e[$lang] = array();
- $img[$lang] = array();
- foreach ($emoticons as $emoticon) {
- $e[$lang][] = $emoticon->text;
- $img[$lang][] = $OUTPUT->render($manager->prepare_renderable_emoticon($emoticon));
- }
- }
-
- // Exclude from transformations all the code inside <script> tags
- // Needed to solve Bug 1185. Thanks to jouse 2001 detecting it. :-)
- // Based on code from glossary filter by Williams Castillo.
- // - Eloy
-
- // Detect all the <script> zones to take out
- $excludes = array();
- preg_match_all('/<script language(.+?)<\/script>/is',$text,$list_of_excludes);
-
- // Take out all the <script> zones from text
- foreach (array_unique($list_of_excludes[0]) as $key=>$value) {
- $excludes['<+'.$key.'+>'] = $value;
- }
- if ($excludes) {
- $text = str_replace($excludes,array_keys($excludes),$text);
- }
-
-/// this is the meat of the code - this is run every time
- $text = str_replace($e[$lang], $img[$lang], $text);
-
- // Recover all the <script> zones to text
- if ($excludes) {
- $text = str_replace(array_keys($excludes),$excludes,$text);
- }
-}
-
/**
* Given plain text, makes it into HTML as nicely as possible.
* May contain HTML tags already
