User:Krinkle/Scripts/InsertWikiEditorButton.js

 /**
  * Insert WikiEditor Button
  * @version 2015年11月12日
  * @source https://meta.wikimedia.org/wiki/User:Krinkle/Scripts/InsertWikiEditorButton
  * @author Krinkle
  * @author Locos epraix
  * @license Released in the public domain
  */
 /*jshint browser: true */
 /*global jQuery, mediaWiki */
 (function($,mw){
 "use strict";

 var$toolbar,ready=false,queue=[];

 functioninsertButton(btnObj){
 $toolbar.wikiEditor('addToToolbar',btnObj);
 }

 functionhandleQueue(){
 ready=true;
 for(vari=0;i<queue.length;i++){
 insertButton(queue[i]);
 }
 queue=handleQueue=null;
 }

 // Only on editpage
 if($.inArray(mw.config.get('wgAction'),['edit','submit','formedit'])!==-1){
 /**
 		 * krInsertWikiEditorButton
 		 *
 		 * @param options {Object} An object with options:
 		 * - section {String} (optional) The name of the section in the WikiEditor. Defaults to 'main'
 		 * - group {String} (optional) The name of the group in the WikiEditor. Defaults to 'insert'
 		 * - id {String} (required) Unique id (ie. 'my-button')
 		 * - icon {String} (recommended) URL to the icon, should be square about 21 to 22px
 		 * - label {String} (required) Tooltip displayed when hovering button
 		 * - insertBefore {String} (optional) Wikitext to be inserted before the cursor on-click
 		 * - sampleText {String} (optional) Text inserted in place of the cursor if no text was selected
 		 * - insertAfter {String} (optional) Wikitext to be inserted after the cursor on-click
 		 * - callback {Function} (optional) Called when the button is clicked
 		 * - autoSummary {mixed} (optional) Null or an Object with the following properties:
 		 * - summary {String} (required) Edit summary that should be used
 		 * - position {String} (optional) 'append', 'prepend' or 'replace'
 		 * - delimiter {String} (optional) delimiter between the (possibly) current summary and the to-be-inserted summary
 		 */
 window.krInsertWikiEditorButton=function(options){
 // Defaults
 options=$.extend({
 'section':'main',
 'group':'insert',
 'id':null,
 'icon':'//upload.wikimedia.org/wikipedia/commons/thumb/f/f0/Toolbaricon_bold_!.png/21px-Toolbaricon_bold_!.png',
 'label':'',
 'insertBefore':'',
 'sampleText':'',
 'insertAfter':'',
 'callback':null,
 'autoSummary':{
 'summary':null,
 'position':'append',
 'delimiter':'; '
 }
 },options);
 // Required
 if(!options.id||!options.label){
 returnfalse;
 }
 varbtnObj={
 'section':options.section,
 'group':options.group,
 'tools':{}
 };
 btnObj.tools[options.id]={
 label:options.label,
 type:'button',
 icon:options.icon,
 action:{
 type:'callback',
 execute:function(){
 // encapsulateSelection
 $toolbar.textSelection('encapsulateSelection',{
 pre:options.insertBefore,
 peri:options.sampleText,
 post:options.insertAfter
 });
 // Auto summary
 if(options.autoSummary&&options.autoSummary.summary){
 var$summary=$('#wpSummary'),currentSum=$summary.val();
 if(!$.trim(currentSum)){
 $summary.val(options.autoSummary.summary);
 }else{
 switch(options.autoSummary.position){
 case'prepend':
 $summary.val(
 options.autoSummary.summary+
 options.autoSummary.delimiter+
 currentSum
 );
 break;
 case'replace':
 $summary.val(options.autoSummary.summary);
 break;
 default:// 'append'
 $summary.val(
 currentSum+
 options.autoSummary.delimiter+
 options.autoSummary.summary
 );
 }
 }
 }
 // Callback
 if($.isFunction(options.callback)){
 options.callback();
 }
 }
 }
 };
 if(ready){
 insertButton(btnObj);
 }else{
 queue.push(btnObj);
 }
 };
 // Wait for WikiEditor to be ready
 $(function(){
 $toolbar=$('#wpTextbox1');
 if($.fn.wikiEditor){handleQueue();}else{$toolbar.on('wikiEditor-toolbar-doneInitialSections',handleQueue);}
 });
 }else{
 // No-op function to avoid errors on other pages
 window.krInsertWikiEditorButton=function(){};
 }
 // Load callback
 if(window.kCustomMainInsertButton_config){
 kCustomMainInsertButton_config();
 }
 }(jQuery,mediaWiki));