MediaWiki:Common.js

var customizeToolbar = function() {
// TOOLBAR
$( '#wpTextbox1' ).wikiEditor( 'addToToolbar', {
        'sections': {
                'annotations': {
                        'type': 'toolbar', // Can also be 'booklet'
                        'label': 'Annotations'
                        // or 'labelMsg': 'section-emoticons-label' for a localized label
                }
        }
} );

//GROUP
$( '#wpTextbox1' ).wikiEditor( 'addToToolbar', {
        'section': 'annotations',
        'groups': {
                'properties': {
                        'label': 'Properties' // or use labelMsg for a localized label, see above
                }
        }
} );

//BUTTONS        
$( '#wpTextbox1' ).wikiEditor( 'addToToolbar', {
        'section': 'annotations',
        'group': 'properties',
        'tools': {
                'aka': {
                        label: 'Aka!', // or use labelMsg for a localized label, see above
                        type: 'button',
                        icon: 'http://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Gnome-face-smile.svg/22px-Gnome-face-smile.svg.png',
                        action: {
                                type: 'encapsulate',
                                options: {
                                        pre: "[[Is_also_know::",
                                        post: "]]"
                                }
                        }
                }
        }
} );
/* Your code goes here */

};
 
/* Check if we are in edit mode and the required modules are available and then customize the toolbar */
if ( $.inArray( mw.config.get( 'wgAction' ), ['edit', 'submit'] ) !== -1 ) {
        mw.loader.using( 'user.options', function () {
                if ( mw.user.options.get('usebetatoolbar') ) {
                        mw.loader.using( 'ext.wikiEditor.toolbar', function () {
                                $(document).ready( customizeToolbar );
                        } );
                }
        } );
}