Extension:CodeMirror

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MediaWiki extensions manual
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CodeMirror
Release status: stable
Pride and codemirror.png
Implementation User interface
Description Provides syntax highlighting in wikitext editor
Author(s) Pavel Astakhov (pastakhovtalk)
Latest version 4.0.0 (2017-05-04)
MediaWiki 1.25+
PHP 5.3+
Database changes No
License GNU General Public License 2.0 or later
Download
Example test.foxway.org
Hooks used
BeforePageDisplay
GetBetaFeaturePreferences
GetPreferences
Translate the CodeMirror extension if it is available at translatewiki.net
Check usage and version matrix.
Issues Open tasks · Report a bug

The CodeMirror extension provides syntax highlighting in MediaWiki's wikitext editor. It adds the button with icon Codemirror-icon.png to toolbar that allows switch on/off syntax highlighting. It supports Classic edit toolbar and WikiEditor toolbar as well as the VisualEditor toolbar.

By default it is switched off. When switching on, it will replace the standard textarea with the editor provided by CodeMirror library. When switching off, it will be the opposite effect.

You can use your own styles for wikitext highlighting. Used styles available here. You should place your own styles to common.css. If you have found better styles please let me know.

Browser support[edit source]

It is not fully tested yet!

All browsers supported by MediaWiki are supported. Modern mobile browsers tend to partly work.

Screenshots[edit source]

Live demo.

Installation[edit source]

  • Download and place the file(s) in a directory called CodeMirror in your extensions/ folder.
  • Add the following code at the bottom of your LocalSettings.php:
    wfLoadExtension( 'CodeMirror' );
    
  • Configure as required.
  • Yes Done – Navigate to Special:Version on your wiki to verify that the extension is successfully installed.

To users running MediaWiki 1.24 or earlier:

The instructions above describe the new way of installing this extension using wfLoadExtension() If you need to install this extension on these earlier versions (MediaWiki 1.24 and earlier), instead of wfLoadExtension( 'CodeMirror' );, you need to use:

require_once "$IP/extensions/CodeMirror/CodeMirror.php";

Configuration[edit source]

# Enables use of CodeMirror by default but still allow users to disable it
$wgDefaultUserOptions['usecodemirror'] = 1;

Add the above code at the bottom of your LocalSettings.php .

For color and style customization, see meta:Community Tech/Wikitext editor syntax highlighting#Color and style customization.

Extension integration[edit source]

If your MediaWiki extension adds a new tag and you want to make sure CodeMirror properly highlights the content within it, you can add CodeMirror support to your extension. Here are two examples: Cite extension and PhpTags extension.

To do[edit source]


See also[edit source]