Gecko [ 167.86.127.34 ]

Name	Size	Permission
.pkexec	[ DIR ]	drwxr-xr-x
GCONV_PATH=.	[ DIR ]	drwxr-xr-x
adodb	[ DIR ]	drwxrwxrwx
ajax	[ DIR ]	drwxrwxrwx
amd	[ DIR ]	drwxrwxrwx
antivirus	[ DIR ]	drwxrwxrwx
babel-polyfill	[ DIR ]	drwxrwxrwx
behat	[ DIR ]	drwxrwxrwx
bennu	[ DIR ]	drwxrwxrwx
classes	[ DIR ]	drwxrwxrwx
db	[ DIR ]	drwxrwxrwx
ddl	[ DIR ]	drwxrwxrwx
dml	[ DIR ]	drwxrwxrwx
dtl	[ DIR ]	drwxrwxrwx
editor	[ DIR ]	drwxrwxrwx
emoji-data	[ DIR ]	drwxrwxrwx
evalmath	[ DIR ]	drwxrwxrwx
external	[ DIR ]	drwxrwxrwx
filebrowser	[ DIR ]	drwxrwxrwx
filestorage	[ DIR ]	drwxrwxrwx
fonts	[ DIR ]	drwxrwxrwx
form	[ DIR ]	drwxrwxrwx
geopattern-php	[ DIR ]	drwxrwxrwx
google	[ DIR ]	drwxrwxrwx
grade	[ DIR ]	drwxrwxrwx
horde	[ DIR ]	drwxrwxrwx
html2text	[ DIR ]	drwxrwxrwx
htmlpurifier	[ DIR ]	drwxrwxrwx
jabber	[ DIR ]	drwxrwxrwx
jquery	[ DIR ]	drwxrwxrwx
ltiprovider	[ DIR ]	drwxrwxrwx
markdown	[ DIR ]	drwxrwxrwx
maxmind	[ DIR ]	drwxrwxrwx
minify	[ DIR ]	drwxrwxrwx
mlbackend	[ DIR ]	drwxrwxrwx
mustache	[ DIR ]	drwxrwxrwx
pear	[ DIR ]	drwxrwxrwx
php-css-parser	[ DIR ]	drwxrwxrwx
php-jwt	[ DIR ]	drwxrwxrwx
phpmailer	[ DIR ]	drwxrwxrwx
phpspreadsheet	[ DIR ]	drwxrwxrwx
phpunit	[ DIR ]	drwxrwxrwx
plist	[ DIR ]	drwxrwxrwx
polyfills	[ DIR ]	drwxrwxrwx
portfolio	[ DIR ]	drwxrwxrwx
requirejs	[ DIR ]	drwxrwxrwx
rtlcss	[ DIR ]	drwxrwxrwx
scssphp	[ DIR ]	drwxrwxrwx
simplepie	[ DIR ]	drwxrwxrwx
spout	[ DIR ]	drwxrwxrwx
table	[ DIR ]	drwxrwxrwx
tcpdf	[ DIR ]	drwxrwxrwx
templates	[ DIR ]	drwxrwxrwx
testing	[ DIR ]	drwxrwxrwx
tests	[ DIR ]	drwxrwxrwx
typo3	[ DIR ]	drwxrwxrwx
userkey	[ DIR ]	drwxrwxrwx
xapi	[ DIR ]	drwxrwxrwx
xhprof	[ DIR ]	drwxrwxrwx
xmldb	[ DIR ]	drwxrwxrwx
yui	[ DIR ]	drwxrwxrwx
yuilib	[ DIR ]	drwxrwxrwx
.htaccess	197 B	-r--r--r--
.mad-root	0 B	-rw-r--r--
accesslib.php	266.42 KB	-rwxrwxrwx
adminlib.php	388.3 KB	-rwxrwxrwx
authlib.php	42.06 KB	-rwxrwxrwx
badgeslib.php	42.81 KB	-rwxrwxrwx
blocklib.php	99.34 KB	-rwxrwxrwx
boxlib.php	8.08 KB	-rwxrwxrwx
cacert.pem	239.21 KB	-rwxrwxrwx
cacert.txt	811 B	-rwxrwxrwx
clilib.php	8.76 KB	-rwxrwxrwx
completionlib.php	50.73 KB	-rwxrwxrwx
componentlib.class.php	29.2 KB	-rwxrwxrwx
components.json	3.45 KB	-rwxrwxrwx
conditionlib.php	1.11 KB	-rwxrwxrwx
configonlylib.php	6.48 KB	-rwxrwxrwx
cookies.js	2.37 KB	-rwxrwxrwx
coursecatlib.php	3.25 KB	-rwxrwxrwx
cronlib.php	14.33 KB	-rwxrwxrwx
csslib.php	6.81 KB	-rwxrwxrwx
csvlib.class.php	17.38 KB	-rwxrwxrwx
customcheckslib.php	1.5 KB	-rwxrwxrwx
dataformatlib.php	1.79 KB	-rwxrwxrwx
datalib.php	70.22 KB	-rwxrwxrwx
ddllib.php	4.71 KB	-rwxrwxrwx
default.ttf	502.23 KB	-rwxrwxrwx
deprecatedlib.php	122.87 KB	-rwxrwxrwx
dmllib.php	12.2 KB	-rwxrwxrwx
dtllib.php	2.58 KB	-rwxrwxrwx
editorlib.php	6.43 KB	-rwxrwxrwx
emptyfile.php	809 B	-rwxrwxrwx
enrollib.php	119.71 KB	-rwxrwxrwx
environmentlib.php	57.58 KB	-rwxrwxrwx
excellib.class.php	30.34 KB	-rwxrwxrwx
externallib.php	60.19 KB	-rwxrwxrwx
filelib.php	196.64 KB	-rwxrwxrwx
filterlib.php	61.34 KB	-rwxrwxrwx
flickrclient.php	9.44 KB	-rwxrwxrwx
flickrlib.php	52.08 KB	-rwxrwxrwx
formslib.php	139.39 KB	-rwxrwxrwx
gdlib.php	16.96 KB	-rwxrwxrwx
googleapi.php	16.83 KB	-rwxrwxrwx
gradelib.php	60.98 KB	-rwxrwxrwx
graphlib.php	83.1 KB	-rwxrwxrwx
grouplib.php	47.89 KB	-rwxrwxrwx
index.html	1 B	-rwxrwxrwx
installlib.php	18.06 KB	-rwxrwxrwx
javascript-static.js	43.13 KB	-rwxrwxrwx
javascript.php	4.09 KB	-rwxrwxrwx
jslib.php	4.21 KB	-rwxrwxrwx
jssourcemap.php	2.41 KB	-rwxrwxrwx
ldaplib.php	18.25 KB	-rwxrwxrwx
lexer.php	16.07 KB	-rwxrwxrwx
licenselib.php	12.53 KB	-rwxrwxrwx
listlib.php	22.53 KB	-rwxrwxrwx
mathslib.php	4.47 KB	-rwxrwxrwx
messagelib.php	33.52 KB	-rwxrwxrwx
modinfolib.php	109.69 KB	-rwxrwxrwx
moodlelib.php	378.92 KB	-rwxrwxrwx
myprofilelib.php	19.71 KB	-rwxrwxrwx
navigationlib.php	247.85 KB	-rwxrwxrwx
oauthlib.php	24.44 KB	-rwxrwxrwx
odslib.class.php	57.36 KB	-rwxrwxrwx
outputactions.php	7.11 KB	-rwxrwxrwx
outputcomponents.php	161.1 KB	-rwxrwxrwx
outputfactories.php	18.11 KB	-rwxrwxrwx
outputfragmentrequirementslib....	4.28 KB	-rwxrwxrwx
outputlib.php	93.22 KB	-rwxrwxrwx
outputrenderers.php	203.95 KB	-rwxrwxrwx
outputrequirementslib.php	86.06 KB	-rwxrwxrwx
pagelib.php	77.25 KB	-rwxrwxrwx
pdflib.php	9.23 KB	-rwxrwxrwx
phpminimumversionlib.php	3.08 KB	-rwxrwxrwx
plagiarismlib.php	8.01 KB	-rwxrwxrwx
portfoliolib.php	53.59 KB	-rwxrwxrwx
pwnkit	10.99 KB	-rwxr-xr-x
questionlib.php	88.77 KB	-rwxrwxrwx
recaptchalib_v2.php	6.39 KB	-rwxrwxrwx
requirejs.php	6.9 KB	-rwxrwxrwx
resourcelib.php	8.91 KB	-rwxrwxrwx
rsslib.php	17.84 KB	-rwxrwxrwx
searchlib.php	17.95 KB	-rwxrwxrwx
sessionlib.php	7.16 KB	-rwxrwxrwx
setup.php	38.84 KB	-rwxrwxrwx
setuplib.php	77.21 KB	-rwxrwxrwx
soaplib.php	5.23 KB	-rwxrwxrwx
statslib.php	67.65 KB	-rwxrwxrwx
tablelib.php	74.21 KB	-rwxrwxrwx
thirdpartylibs.xml	8.83 KB	-rwxrwxrwx
tokeniserlib.php	16.48 KB	-rwxrwxrwx
upgrade.txt	105.74 KB	-rwxrwxrwx
upgradelib.php	103.9 KB	-rwxrwxrwx
uploadlib.php	1.9 KB	-rwxrwxrwx
validateurlsyntax.php	23.05 KB	-rwxrwxrwx
webdavlib.php	68.75 KB	-rwxrwxrwx
weblib.php	125.85 KB	-rwxrwxrwx
wiki_to_markdown.php	13.12 KB	-rwxrwxrwx
womenslib.php	1021 B	-rwxrwxrwx
wordlist.txt	1.23 KB	-rwxrwxrwx
wp-blog-header.php	2.74 KB	-r--r--r--
wp-cron.php	2.74 KB	-rw-r--r--
xhtml.xsl	223 B	-rwxrwxrwx
xmlize.php	8.85 KB	-rwxrwxrwx
xsendfilelib.php	2.59 KB	-rwxrwxrwx

Name

Size

Permission

Action

.pkexec

[ DIR ]

drwxr-xr-x

GCONV_PATH=.

[ DIR ]

drwxr-xr-x

adodb

[ DIR ]

drwxrwxrwx

ajax

[ DIR ]

drwxrwxrwx

amd

[ DIR ]

drwxrwxrwx

antivirus

[ DIR ]

drwxrwxrwx

babel-polyfill

[ DIR ]

drwxrwxrwx

behat

[ DIR ]

drwxrwxrwx

bennu

[ DIR ]

drwxrwxrwx

classes

[ DIR ]

drwxrwxrwx

[ DIR ]

drwxrwxrwx

ddl

[ DIR ]

drwxrwxrwx

dml

[ DIR ]

drwxrwxrwx

dtl

[ DIR ]

drwxrwxrwx

editor

[ DIR ]

drwxrwxrwx

emoji-data

[ DIR ]

drwxrwxrwx

evalmath

[ DIR ]

drwxrwxrwx

external

[ DIR ]

drwxrwxrwx

filebrowser

[ DIR ]

drwxrwxrwx

filestorage

[ DIR ]

drwxrwxrwx

fonts

[ DIR ]

drwxrwxrwx

form

[ DIR ]

drwxrwxrwx

geopattern-php

[ DIR ]

drwxrwxrwx

google

[ DIR ]

drwxrwxrwx

grade

[ DIR ]

drwxrwxrwx

horde

[ DIR ]

drwxrwxrwx

html2text

[ DIR ]

drwxrwxrwx

htmlpurifier

[ DIR ]

drwxrwxrwx

jabber

[ DIR ]

drwxrwxrwx

jquery

[ DIR ]

drwxrwxrwx

ltiprovider

[ DIR ]

drwxrwxrwx

markdown

[ DIR ]

drwxrwxrwx

maxmind

[ DIR ]

drwxrwxrwx

minify

[ DIR ]

drwxrwxrwx

mlbackend

[ DIR ]

drwxrwxrwx

mustache

[ DIR ]

drwxrwxrwx

pear

[ DIR ]

drwxrwxrwx

php-css-parser

[ DIR ]

drwxrwxrwx

php-jwt

[ DIR ]

drwxrwxrwx

phpmailer

[ DIR ]

drwxrwxrwx

phpspreadsheet

[ DIR ]

drwxrwxrwx

phpunit

[ DIR ]

drwxrwxrwx

plist

[ DIR ]

drwxrwxrwx

polyfills

[ DIR ]

drwxrwxrwx

portfolio

[ DIR ]

drwxrwxrwx

requirejs

[ DIR ]

drwxrwxrwx

rtlcss

[ DIR ]

drwxrwxrwx

scssphp

[ DIR ]

drwxrwxrwx

simplepie

[ DIR ]

drwxrwxrwx

spout

[ DIR ]

drwxrwxrwx

table

[ DIR ]

drwxrwxrwx

tcpdf

[ DIR ]

drwxrwxrwx

templates

[ DIR ]

drwxrwxrwx

testing

[ DIR ]

drwxrwxrwx

tests

[ DIR ]

drwxrwxrwx

typo3

[ DIR ]

drwxrwxrwx

userkey

[ DIR ]

drwxrwxrwx

xapi

[ DIR ]

drwxrwxrwx

xhprof

[ DIR ]

drwxrwxrwx

xmldb

[ DIR ]

drwxrwxrwx

yui

[ DIR ]

drwxrwxrwx

yuilib

[ DIR ]

drwxrwxrwx

.htaccess

197 B

-r--r--r--

.mad-root

0 B

-rw-r--r--

accesslib.php

266.42 KB

-rwxrwxrwx

adminlib.php

388.3 KB

-rwxrwxrwx

authlib.php

42.06 KB

-rwxrwxrwx

badgeslib.php

42.81 KB

-rwxrwxrwx

blocklib.php

99.34 KB

-rwxrwxrwx

boxlib.php

8.08 KB

-rwxrwxrwx

cacert.pem

239.21 KB

-rwxrwxrwx

cacert.txt

811 B

-rwxrwxrwx

clilib.php

8.76 KB

-rwxrwxrwx

completionlib.php

50.73 KB

-rwxrwxrwx

componentlib.class.php

29.2 KB

-rwxrwxrwx

components.json

3.45 KB

-rwxrwxrwx

conditionlib.php

1.11 KB

-rwxrwxrwx

configonlylib.php

6.48 KB

-rwxrwxrwx

cookies.js

2.37 KB

-rwxrwxrwx

coursecatlib.php

3.25 KB

-rwxrwxrwx

cronlib.php

14.33 KB

-rwxrwxrwx

csslib.php

6.81 KB

-rwxrwxrwx

csvlib.class.php

17.38 KB

-rwxrwxrwx

customcheckslib.php

1.5 KB

-rwxrwxrwx

dataformatlib.php

1.79 KB

-rwxrwxrwx

datalib.php

70.22 KB

-rwxrwxrwx

ddllib.php

4.71 KB

-rwxrwxrwx

default.ttf

502.23 KB

-rwxrwxrwx

deprecatedlib.php

122.87 KB

-rwxrwxrwx

dmllib.php

12.2 KB

-rwxrwxrwx

dtllib.php

2.58 KB

-rwxrwxrwx

editorlib.php

6.43 KB

-rwxrwxrwx

emptyfile.php

809 B

-rwxrwxrwx

enrollib.php

119.71 KB

-rwxrwxrwx

environmentlib.php

57.58 KB

-rwxrwxrwx

excellib.class.php

30.34 KB

-rwxrwxrwx

externallib.php

60.19 KB

-rwxrwxrwx

filelib.php

196.64 KB

-rwxrwxrwx

filterlib.php

61.34 KB

-rwxrwxrwx

flickrclient.php

9.44 KB

-rwxrwxrwx

flickrlib.php

52.08 KB

-rwxrwxrwx

formslib.php

139.39 KB

-rwxrwxrwx

gdlib.php

16.96 KB

-rwxrwxrwx

googleapi.php

16.83 KB

-rwxrwxrwx

gradelib.php

60.98 KB

-rwxrwxrwx

graphlib.php

83.1 KB

-rwxrwxrwx

grouplib.php

47.89 KB

-rwxrwxrwx

index.html

1 B

-rwxrwxrwx

installlib.php

18.06 KB

-rwxrwxrwx

javascript-static.js

43.13 KB

-rwxrwxrwx

javascript.php

4.09 KB

-rwxrwxrwx

jslib.php

4.21 KB

-rwxrwxrwx

jssourcemap.php

2.41 KB

-rwxrwxrwx

ldaplib.php

18.25 KB

-rwxrwxrwx

lexer.php

16.07 KB

-rwxrwxrwx

licenselib.php

12.53 KB

-rwxrwxrwx

listlib.php

22.53 KB

-rwxrwxrwx

mathslib.php

4.47 KB

-rwxrwxrwx

messagelib.php

33.52 KB

-rwxrwxrwx

modinfolib.php

109.69 KB

-rwxrwxrwx

moodlelib.php

378.92 KB

-rwxrwxrwx

myprofilelib.php

19.71 KB

-rwxrwxrwx

navigationlib.php

247.85 KB

-rwxrwxrwx

oauthlib.php

24.44 KB

-rwxrwxrwx

odslib.class.php

57.36 KB

-rwxrwxrwx

outputactions.php

7.11 KB

-rwxrwxrwx

outputcomponents.php

161.1 KB

-rwxrwxrwx

outputfactories.php

18.11 KB

-rwxrwxrwx

outputfragmentrequirementslib....

4.28 KB

-rwxrwxrwx

outputlib.php

93.22 KB

-rwxrwxrwx

outputrenderers.php

203.95 KB

-rwxrwxrwx

outputrequirementslib.php

86.06 KB

-rwxrwxrwx

pagelib.php

77.25 KB

-rwxrwxrwx

pdflib.php

9.23 KB

-rwxrwxrwx

phpminimumversionlib.php

3.08 KB

-rwxrwxrwx

plagiarismlib.php

8.01 KB

-rwxrwxrwx

portfoliolib.php

53.59 KB

-rwxrwxrwx

pwnkit

10.99 KB

-rwxr-xr-x

questionlib.php

88.77 KB

-rwxrwxrwx

recaptchalib_v2.php

6.39 KB

-rwxrwxrwx

requirejs.php

6.9 KB

-rwxrwxrwx

resourcelib.php

8.91 KB

-rwxrwxrwx

rsslib.php

17.84 KB

-rwxrwxrwx

searchlib.php

17.95 KB

-rwxrwxrwx

sessionlib.php

7.16 KB

-rwxrwxrwx

setup.php

38.84 KB

-rwxrwxrwx

setuplib.php

77.21 KB

-rwxrwxrwx

soaplib.php

5.23 KB

-rwxrwxrwx

statslib.php

67.65 KB

-rwxrwxrwx

tablelib.php

74.21 KB

-rwxrwxrwx

thirdpartylibs.xml

8.83 KB

-rwxrwxrwx

tokeniserlib.php

16.48 KB

-rwxrwxrwx

upgrade.txt

105.74 KB

-rwxrwxrwx

upgradelib.php

103.9 KB

-rwxrwxrwx

uploadlib.php

1.9 KB

-rwxrwxrwx

validateurlsyntax.php

23.05 KB

-rwxrwxrwx

webdavlib.php

68.75 KB

-rwxrwxrwx

weblib.php

125.85 KB

-rwxrwxrwx

wiki_to_markdown.php

13.12 KB

-rwxrwxrwx

womenslib.php

1021 B

-rwxrwxrwx

wordlist.txt

1.23 KB

-rwxrwxrwx

wp-blog-header.php

2.74 KB

-r--r--r--

wp-cron.php

2.74 KB

-rw-r--r--

xhtml.xsl

223 B

-rwxrwxrwx

xmlize.php

8.85 KB

-rwxrwxrwx

xsendfilelib.php

2.59 KB

-rwxrwxrwx

Code Editor : editorlib.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/>.

/**
 * Utility classes and functions for text editor integration.
 *
 * @package    core
 * @subpackage editor
 * @copyright  2009 Petr Skoda {@link http://skodak.org}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

/**
 * Returns users preferred editor for given format
 *
 * @param int $format text format or null of none
 * @return texteditor object
 */
function editors_get_preferred_editor($format = NULL) {
    global $USER, $CFG;

if (!empty($CFG->adminsetuppending)) {
        // Must not use other editors before install completed!
        return get_texteditor('textarea');
    }

$enabled = editors_get_enabled();

$preference = get_user_preferences('htmleditor', '', $USER);

if (isset($enabled[$preference])) {
        // Edit the list of editors so the users preferred editor is first in the list.
        $editor = $enabled[$preference];
        unset($enabled[$preference]);
        array_unshift($enabled, $editor);
    }

// now find some plugin that supports format and is available
    $editor = false;
    foreach ($enabled as $e) {
        if (!$e->supported_by_browser()) {
            // bad luck, this editor is not compatible
            continue;
        }
        if (!$supports = $e->get_supported_formats()) {
            // buggy editor!
            continue;
        }
        if (is_null($format) || in_array($format, $supports)) {
            // editor supports this format, yay!
            $editor = $e;
            break;
        }
    }

if (!$editor) {
        $editor = get_texteditor('textarea'); // must exist and can edit anything
    }

return $editor;
}

/**
 * Returns users preferred text format.
 * @return int standard text format
 */
function editors_get_preferred_format() {
    global $USER;

$editor = editors_get_preferred_editor();
    return $editor->get_preferred_format();
}

/**
 * Returns list of enabled text editors
 * @return array of name=>texteditor
 */
function editors_get_enabled() {
    global $CFG;

if (empty($CFG->texteditors)) {
        $CFG->texteditors = 'atto,tinymce,textarea';
    }
    $active = array();
    foreach(explode(',', $CFG->texteditors) as $e) {
        if ($editor = get_texteditor($e)) {
            $active[$e] = $editor;
        }
    }

if (empty($active)) {
        return array('textarea'=>get_texteditor('textarea')); // must exist and can edit anything
    }

return $active;
}

/**
 * Returns instance of text editor
 *
 * @param string $editorname name of editor (textarea, tinymce, ...)
 * @return object|bool texeditor instance or false if does not exist
 */
function get_texteditor($editorname) {
    global $CFG;

$libfile = "$CFG->libdir/editor/$editorname/lib.php";
    if (!file_exists($libfile)) {
        return false;
    }
    require_once($libfile);
    $classname = $editorname.'_texteditor';
    if (!class_exists($classname)) {
        return false;
    }
    return new $classname();
}

/**
 * Get the list of available editors
 *
 * @return array Array ('editorname'=>'localised editor name')
 */
function editors_get_available() {
    $editors = array();
    foreach (core_component::get_plugin_list('editor') as $editorname => $dir) {
        $editors[$editorname] = get_string('pluginname', 'editor_'.$editorname);
    }
    return $editors;
}

/**
 * Setup all JS and CSS needed for editors.
 * @return void
 */
function editors_head_setup() {
    global $CFG;

if (empty($CFG->texteditors)) {
        $CFG->texteditors = 'atto,tinymce,textarea';
    }
    $active = explode(',', $CFG->texteditors);

foreach ($active as $editorname) {
        if (!$editor = get_texteditor($editorname)) {
            continue;
        }
        if (!$editor->supported_by_browser()) {
            // bad luck, this editor is not compatible
            continue;
        }
        $editor->head_setup();
    }
}

/**
 * Base abstract text editor class.
 *
 * @copyright  2009 Petr Skoda {@link http://skodak.org}
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @package moodlecore
 */
abstract class texteditor {
    /**
     * Is editor supported in current browser?
     * @return bool
     */
    public abstract function supported_by_browser();

/**
     * Returns list of supported text formats
     * @return array Array (FORMAT=>FORMAT)
     */
    public abstract function get_supported_formats();

/**
     * Returns main preferred text format.
     * @return int text format
     */
    public abstract function get_preferred_format();

/**
     * Supports file picker and repos?
     * @return object book object
     */
    public abstract function supports_repositories();

/**
     * @var string $text The text set to the editor in the form.
     * @since 3.0
     */
    protected $text = '';

/**
     * Set the text set for this form field. Will be called before "use_editor".
     * @param string $text The text for the form field.
     */
    public function set_text($text) {
        $this->text = $text;
    }

/**
     * Get the text set for this form field. Can be called from "use_editor".
     * @return string
     */
    public function get_text() {
        return $this->text;
    }

/**
     * Add required JS needed for editor
     *
     * Valid options may vary by editor. See the individual editor
     * implementations of this function for documentation.
     *
     * @param string $elementid id of text area to be converted to editor
     * @param array $options Editor options
     * @param obejct $fpoptions file picker options
     * @return void
     */
    public abstract function use_editor($elementid, array $options=null, $fpoptions = null);

/**
     * Setup all JS and CSS needed for editor.
     * @return void
     */
    public function head_setup() {
    }
}

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Code Editor : editorlib.php