MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. */

jQuery(document).ready(function ($) {
        $('#wpTextbox1').wikiEditor('addToToolbar', {
                section: 'advanced',
                group: 'format',
                tools: {
                        buttonId: {
                                label: 'Comment visible only for editors',
                                type: 'button',
                                icon: '//upload.wikimedia.org/wikipedia/commons/f/f9/Toolbaricon_regular_S_stroke.png',
                                action: {
                                        type: 'encapsulate',
                                        options: {
                                                pre: "<!-- ",
                                                peri: "Insert comment here",
                                                post: " -->"
                                        }
                                }
                        }
                }
        });
});


var addExtraButtons = function(){
        mw.toolbar.addButtons( {
                imageFile: '//upload.wikimedia.org/wikipedia/en/3/34/Button_hide_comment.png',
                speedTip: 'Comment visible only for editors',
                tagOpen: '<!-- ',
                tagClose: ' -->',
                sampleText: 'Insert comment here',
                imageId: 'button-comment'
        } );
};
 
if( $.inArray( mw.config.get( 'wgAction' ), [ 'edit', 'submit' ] ) !== -1 ) {
        mw.loader.using( 'user.options', function () {
                if ( ! mw.user.options.get( 'usebetatoolbar' ) ) {
                        mw.loader.using( 'mediawiki.action.edit', function(){
                                $( addExtraButtons );
                        } );
                }
        } );
}