moodle/lib/classes/emoticon_manager.php

192 lines
7.2 KiB
PHP

<?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/>.
namespace core;
use pix_emoticon;
use stdClass;
/**
* Provides core support for plugins that have to deal with emoticons (like HTML editor or emoticon filter).
*
* Whenever this manager mentiones 'emoticon object', the following data structure is expected:
* stdClass with properties text, imagename, imagecomponent, altidentifier and altcomponent
*
* @see \admin_setting_emoticons
*
* @package core
* @copyright 2010 David Mudrak
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class emoticon_manager {
/**
* Returns the currently enabled emoticons
*
* @param bool $selectable If true, only return emoticons that should be selectable from a list
* @return stdClass[] array of emoticon objects
*/
public function get_emoticons(
bool $selectable = false,
): array {
global $CFG;
$notselectable = ['martin', 'egg'];
if (empty($CFG->emoticons)) {
return [];
}
$emoticons = $this->decode_stored_config($CFG->emoticons);
if (!is_array($emoticons)) {
// Something is wrong with the format of stored setting.
debugging('Invalid format of emoticons setting, please resave the emoticons settings form', DEBUG_NORMAL);
return [];
}
if ($selectable) {
foreach ($emoticons as $index => $emote) {
if (in_array($emote->altidentifier, $notselectable)) {
// Skip this one.
unset($emoticons[$index]);
}
}
}
return $emoticons;
}
/**
* Converts emoticon object into renderable pix_emoticon object
*
* @param stdClass $emoticon emoticon object
* @param array $attributes explicit HTML attributes to set
* @return pix_emoticon
*/
public function prepare_renderable_emoticon(
stdClass $emoticon,
array $attributes = [],
): pix_emoticon {
$stringmanager = get_string_manager();
if ($stringmanager->string_exists($emoticon->altidentifier, $emoticon->altcomponent)) {
$alt = get_string($emoticon->altidentifier, $emoticon->altcomponent);
} else {
$alt = s($emoticon->text);
}
return new pix_emoticon($emoticon->imagename, $alt, $emoticon->imagecomponent, $attributes);
}
/**
* Encodes the array of emoticon objects into a string storable in config table
*
* @param stdClass[] $emoticons array of emoticon objects
* @return string
*/
public function encode_stored_config(
array $emoticons,
): string {
return json_encode($emoticons);
}
/**
* Decodes the string into an array of emoticon objects
*
* @param string $encoded
* @return ?array
*/
public function decode_stored_config(
string $encoded,
): ?array {
$decoded = json_decode($encoded);
if (!is_array($decoded)) {
return null;
}
return $decoded;
}
/**
* Returns default set of emoticons supported by Moodle
*
* @return stdClass[] array of emoticon objects
*/
public function default_emoticons(): array {
return [
$this->prepare_emoticon_object(":-)", 's/smiley', 'smiley'),
$this->prepare_emoticon_object(":)", 's/smiley', 'smiley'),
$this->prepare_emoticon_object(":-D", 's/biggrin', 'biggrin'),
$this->prepare_emoticon_object(";-)", 's/wink', 'wink'),
$this->prepare_emoticon_object(":-/", 's/mixed', 'mixed'),
$this->prepare_emoticon_object("V-.", 's/thoughtful', 'thoughtful'),
$this->prepare_emoticon_object(":-P", 's/tongueout', 'tongueout'),
$this->prepare_emoticon_object(":-p", 's/tongueout', 'tongueout'),
$this->prepare_emoticon_object("B-)", 's/cool', 'cool'),
$this->prepare_emoticon_object("^-)", 's/approve', 'approve'),
$this->prepare_emoticon_object("8-)", 's/wideeyes', 'wideeyes'),
$this->prepare_emoticon_object(":o)", 's/clown', 'clown'),
$this->prepare_emoticon_object(":-(", 's/sad', 'sad'),
$this->prepare_emoticon_object(":(", 's/sad', 'sad'),
$this->prepare_emoticon_object("8-.", 's/shy', 'shy'),
$this->prepare_emoticon_object(":-I", 's/blush', 'blush'),
$this->prepare_emoticon_object(":-X", 's/kiss', 'kiss'),
$this->prepare_emoticon_object("8-o", 's/surprise', 'surprise'),
$this->prepare_emoticon_object("P-|", 's/blackeye', 'blackeye'),
$this->prepare_emoticon_object("8-[", 's/angry', 'angry'),
$this->prepare_emoticon_object("(grr)", 's/angry', 'angry'),
$this->prepare_emoticon_object("xx-P", 's/dead', 'dead'),
$this->prepare_emoticon_object("|-.", 's/sleepy', 'sleepy'),
$this->prepare_emoticon_object("}-]", 's/evil', 'evil'),
$this->prepare_emoticon_object("(h)", 's/heart', 'heart'),
$this->prepare_emoticon_object("(heart)", 's/heart', 'heart'),
$this->prepare_emoticon_object("(y)", 's/yes', 'yes', 'core'),
$this->prepare_emoticon_object("(n)", 's/no', 'no', 'core'),
$this->prepare_emoticon_object("(martin)", 's/martin', 'martin'),
$this->prepare_emoticon_object("( )", 's/egg', 'egg'),
];
}
/**
* Helper method preparing an emoticon object
*
* @param string|string[] $text
* @param string $imagename to be used by {@see pix_emoticon}
* @param ?string $altidentifier alternative string identifier, null for no alt
* @param string $altcomponent where the alternative string is defined
* @param string $imagecomponent to be used by {@see pix_emoticon}
* @return stdClass
*/
protected function prepare_emoticon_object(
string|array $text,
string $imagename,
?string $altidentifier = null,
string $altcomponent = 'core_pix',
string $imagecomponent = 'core',
): stdClass {
return (object) [
'text' => $text,
'imagename' => $imagename,
'altidentifier' => $altidentifier,
'altcomponent' => $altcomponent,
'imagecomponent' => $imagecomponent,
];
}
}
// Alias this class to the old name.
// This file will be autoloaded by the legacyclasses autoload system.
// In future all uses of this class will be corrected and the legacy references will be removed.
class_alias(emoticon_manager::class, \emoticon_manager::class);