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Aktuelle Version vom 10. April 2022, 09:51 Uhr
// <syntaxhighlight lang="JavaScript">
// ==UserScript==
// @name wikEdDiff
// @version 0.9.43
// @date November 5, 2017
// @description improved diff with block move detection for comparing article versions
// @homepage https://en.wikipedia.org/wiki/User:Cacycle/wikEdDiff
// @source https://en.wikipedia.org/wiki/User:Cacycle/wikEdDiff.js
// @author Cacycle (https://en.wikipedia.org/wiki/User:Cacycle)
// @license released into the public domain
// @include /\b(action=submit|diff=)\b/
// @require https://en.wikipedia.org/w/index.php?title=User:Cacycle/diff.js&action=raw&ctype=text/javascript
// @grant GM_getValue
// @grant GM_xmlhttpRequest
// ==/UserScript==
/*
Features:
* Additions, deletions, and block moves are highlighted by color in the same text
* Block moves and character differences are detected
* Unchanged regions are omitted from the output
* Highly optimized for MediaWiki source texts
wikEdDiff uses the diff.js library (https://en.wikipedia.org/wiki/User:Cacycle/Cacycle/diff) and has been integrated
into wikEd, a full-featured JavaScript in-browser editor (https://en.wikipedia.org/wiki/User:Cacycle/wikEd).
For installation details, please see https://en.wikipedia.org/wiki/User:Cacycle/wikEdDiff.
*/
// JSHint options
/* jshint -W004, -W100, newcap: false, browser: true, jquery: true, sub: true, bitwise: true, curly: false, evil: true, forin: true, freeze: true, globalstrict: true, immed: true, latedef: true, loopfunc: true, quotmark: single, strict: true, undef: true */
/* global GM_getValue, GM_xmlhttpRequest, console */
// turn on ECMAScript 5 strict mode
'use strict';
// define global objects
var wikEd; if ( wikEd === undefined ) { wikEd = {}; }
if ( wikEd.config === undefined ) { wikEd.config = {}; }
var WikEdDiff;
var wikEdConfig;
//
// wikEd.DiffInit: initialize variables
//
wikEd.DiffInit = function () {
//
// user configurable variables
//
// wikEd code home base URL, also defined in wikEd.js
if ( wikEd.config.homeBaseUrl === undefined ) { wikEd.config.homeBaseUrl = '//en.wikipedia.org/'; }
// diff library URL, also defined in wikEd.js
if ( wikEd.config.diffScriptSrc === undefined ) { wikEd.config.diffScriptSrc = wikEd.config.homeBaseUrl + 'w/index.php?title=User:Cacycle/diff.js&action=raw&ctype=text/javascript'; }
// wikEdDiff css rules
if ( wikEd.config.diffCSS === undefined ) { wikEd.config.diffCSS = {}; }
wikEd.InitObject( wikEd.config.diffCSS, {
'.wikEdDiffWrapper': 'padding: 0.33em 0.5em;',
'.wikEdDiffButtonWrapper': 'text-align: center;',
'.wikEdDiffButtonChecked':
'padding: 0.1em 0.1em 0.2em; background: #c8c4c0; border: 1px solid; ' +
'border-color: #555 #e8e8e8 #e8e8e8 #555; border-radius: 0.25em; cursor: pointer;',
'.wikEdDiffButtonUnchecked':
'padding: 0.1em 0.1em 0.2em; background: #d8d4d0; border: 1px solid; ' +
'border-color: #f0f0f0 #666 #666 #f0f0f0; border-radius: 0.25em; cursor: pointer;',
'.wikEdDiffButtonPressed':
'padding: 0.1em 0.1em 0.2em; background: #c8c4c0; border: 1px solid; ' +
'border-color: #666 #f0f0f0 #f0f0f0 #666; border-radius: 0.25em; cursor: wait;',
'.wikEdDiffDiv': 'margin-top: 0.5em;',
'.wikEdDiffWorking':
'background: #fcfcfc; border: 1px #bbb solid; border-radius: 0.5em; line-height: 1.6; ' +
'box-shadow: 2px 2px 2px #ddd; padding: 0.5em; margin: 1em 0; text-align: center;'
} );
// use local copies of images for testing (set to true in local copy of edit page), also defined in wikEd.js
if ( wikEd.config.localImages === undefined ) { wikEd.config.localImages = false; }
// path to local wikEd images for testing, also defined in wikEd.js
if ( wikEd.config.imagePathLocal === undefined ) { wikEd.config.imagePathLocal = 'file:///D:/wikEd/images/'; }
// path to wikEd images, also defined in wikEd.js
if ( wikEd.config.imagePath === undefined ) { wikEd.config.imagePath = '//upload.wikimedia.org/wikipedia/commons/'; }
// wikEd image filenames, also defined in wikEd.js
if ( wikEd.config.image === undefined ) { wikEd.config.image = {}; }
wikEd.InitImage( wikEd.config.image, {
'wikEdDiff': 'c/c6/WikEdDiff.png'
} );
// user readable texts, copy changes to http://en.wikipedia.org/wiki/User:Cacycle/wikEd_international_en.js, also defined in wikEd.js
if ( wikEd.config.text === undefined ) { wikEd.config.text = {}; }
wikEd.InitObject( wikEd.config.text, {
'wikEdDiffButtonImg alt': 'wikEdDiff',
'wikEdDiffButton title': 'Show improved diff view',
'wikEdDiffLoading': '...'
} );
// expiration time span for permanent cookies in seconds, also defined in wikEd.js
if ( wikEd.config.cookieExpireSec === undefined ) { wikEd.config.cookieExpireSec = 1 * 30 * 24 * 60 * 60; }
//
// end of user configurable variables
//
// global dom elements
wikEd.diffDiv = null;
wikEd.diffWrapper = null;
wikEd.diffButtonWrapper = null;
wikEd.diffButton = null;
wikEd.diffGetGlobalNode = null;
// hash of loaded scripts, also defined in wikEd.js
if ( wikEd.externalScripts === undefined ) { wikEd.externalScripts = null; }
if ( wikEd.diffPreset === undefined ) { wikEd.diffPreset = false; }
};
// variables needed during startup
wikEd.diffTable = null;
wikEd.diffTableTitle = null;
wikEd.diffColSpan = null;
// diff table element
// customization, also defined in wikEd.js
if ( wikEd.wikEdConfigAdded === undefined ) { wikEd.wikEdConfigAdded = false; }
// detect web storage capability and Greasemonkey related, also defined in wikEd.js
if ( wikEd.webStorage === undefined ) { wikEd.webStorage = null; }
if ( wikEd.greasemonkey === undefined ) { wikEd.greasemonkey = false; }
if ( wikEd.gotGlobalsHook === undefined ) { wikEd.gotGlobalsHook = []; }
if ( wikEd.getGlobalsCounter === undefined ) { wikEd.getGlobalsCounter = 0; }
if ( wikEd.pageOrigin === undefined ) { wikEd.pageOrigin = ''; }
if ( wikEd.head === undefined ) { wikEd.head = null; }
if ( wikEd.diffTableLinkified === undefined ) { wikEd.diffTableLinkified = false; }
// get global MediaWiki settings, also defined in wikEd.js
if ( wikEd.wikiGlobals === undefined ) { wikEd.wikiGlobals = {}; }
if ( wikEd.pageName === undefined ) { wikEd.pageName = null; }
//
// wikEd.DiffStartup: call the setup routine
//
wikEd.DiffStartup = function () {
// MediaWiki pages always have their title set, filter out Greasemonkey running on created iframes
if ( document.title === '' ) {
return;
}
// check if wikEdDiff has already started up
if ( document.getElementsByName( 'wikEdDiffStartupFlag')[0] !== undefined ) {
return;
}
// define current window head
wikEd.head = document.getElementsByTagName( 'head')[0] || null;
// set startup flag
var flag = document.createElement( 'meta' );
flag.setAttribute( 'name', 'wikEdDiffStartupFlag' );
wikEd.head.appendChild( flag );
// get site of origin (window.location.href is about:blank if Firefox during page load)
var origin = wikEd.head.baseURI;
if ( origin === undefined ) {
origin = window.location.toString();
}
wikEd.pageOrigin = origin.replace( /^((https?|file):\/\/[^\/?#]*)?.*$/, '$1' );
// check if this runs under Greasemonkey
if ( typeof GM_info === 'object' ) {
wikEd.greasemonkey = true;
}
// parse global-context (MediaWiki) variables into hash (for Greasemonkey)
var globalNames = ['wgServer', 'wgArticlePath', 'wgScriptPath', 'wgCurRevisionId', 'wikEdTypeofLocalStorage', 'wgPageName'];
if ( wikEd.greasemonkey === true ) {
globalNames.push( 'wikEdConfig' );
}
// copy custom config settings after values have arrived
var gotGlobalsHook = [
function () {
if ( typeof wikEd.wikiGlobals.wikEdConfig === 'object' && wikEd.wikEdConfigAdded === false ) {
wikEd.AddToObject( wikEd.config, wikEd.wikiGlobals.wikEdConfig );
wikEd.wikEdConfigAdded = true;
}
// get missing wg variables from footer link (code copied to wikEdDiff.js)
if ( wikEd.wikiGlobals.wgArticlePath === undefined ) {
var printfooter = document.body.getElementsByClassName( 'printfooter' )[0];
if ( printfooter !== undefined ) {
var articleLink = printfooter.getElementsByTagName( 'a' )[0];
if ( articleLink !== undefined ) {
var regExpMatch = /^(https?:\/\/[^\/]*)(\/([^\/]*\/)*)([^\/]*)$/.exec( articleLink.href );
if ( regExpMatch !== null ) {
wikEd.wikiGlobals.wgServer = regExpMatch[1];
wikEd.wikiGlobals.wgArticlePath = regExpMatch[1] + regExpMatch[2] + '$1';
wikEd.wikiGlobals.wgPageName = regExpMatch[4] || '';
wikEd.wikiGlobals.wgTitle = decodeURIComponent( regExpMatch[4].replace( /_/g, ' ' ) );
}
}
}
}
// get current page name
wikEd.pageName = wikEd.wikiGlobals.wgPageName;
}
];
// linkify standard diff
gotGlobalsHook.push( wikEd.DiffLinkifyStandard );
// set listener for GetGlobals messaging
wikEd.DiffAddEventListener( window, 'message', wikEd.GetGlobalsReceiver, false );
// parse globals (asynchronous)
wikEd.GetGlobals( globalNames, gotGlobalsHook );
// run the setup routine if page has loaded or if loaded dynamically from wikEd
if ( document.readyState === 'complete' || document.getElementsByName( 'wikEdSetupFlag' )[0] !== undefined ) {
wikEd.DiffSetup();
}
// schedule the setup routine
else {
wikEd.DiffAddEventListener( window, 'load', wikEd.DiffSetup, false );
}
};
//
// wikEd.DiffSetup: create wikEdDiff elements
//
wikEd.DiffSetup = function () {
// check if wikEdDiff has already set up
if ( document.getElementsByName( 'wikEdDiffSetupFlag' )[0] !== undefined ) {
return;
}
// set setup flag
var flag = document.createElement( 'meta' );
flag.setAttribute( 'name', 'wikEdDiffSetupFlag' );
wikEd.head.appendChild( flag );
// import customization
if ( wikEdConfig !== undefined && wikEd.wikEdConfigAdded === false ) {
wikEd.AddToObject( wikEd.config, wikEdConfig );
wikEd.wikEdConfigAdded = true;
}
// initialize variables
wikEd.DiffInit();
// get diff table title row
var tdOld = null;
var tdNew = null;
var tdArray = document.getElementsByTagName( 'td' );
for ( var i = 0; i < tdArray.length; i ++ ) {
// get old title cell
if ( tdArray[i].className === 'diff-otitle' ) {
tdOld = tdArray[i];
}
// get new title cell
else if ( tdArray[i].className === 'diff-ntitle' ) {
tdNew = tdArray[i];
}
if ( tdOld !== null && tdNew !== null ) {
break;
}
}
// get table
if ( tdOld !== null ) {
wikEd.diffTableTitle = tdOld.parentNode;
var node = wikEd.diffTableTitle.parentNode;
while ( node !== null ) {
if ( node.nodeName === 'TABLE' ) {
wikEd.diffTable = node;
break;
}
node = node.parentNode;
}
}
// get number of diff table columns
if ( tdOld !== null && tdNew !== null ) {
wikEd.diffColSpan = tdOld.colSpan + tdNew.colSpan;
}
if ( isNaN( wikEd.diffColSpan ) === true ) {
wikEd.diffColSpan = 4;
}
// check if this is a diff page
if ( wikEd.diffTable === null ) {
return;
}
// add stylesheet definitions ( slow method for IE compatibility )
var diffStyle = new wikEd.DiffStyleSheet();
for ( var ruleName in wikEd.config.diffCSS ) {
if ( Object.prototype.hasOwnProperty.call( wikEd.config.diffCSS, ruleName ) === true ) {
var ruleStyle = wikEd.config.diffCSS[ruleName];
diffStyle.AddCSSRule( ruleName, ruleStyle );
}
}
// get saved wikEdDiff setting
var setting = wikEd.GetCookie( 'wikEdDiff' );
if ( setting === '' && typeof wikEd.config.diffPreset === 'boolean' ) {
wikEd.diff = wikEd.config.diffPreset;
}
else if ( setting === '1' ) {
wikEd.diff = true;
}
// create wikEdDiff wrapper row
var diffRow = document.createElement( 'tr' );
// create wikEdDiff wrapper (td)
wikEd.diffWrapper = document.createElement( 'td' );
wikEd.diffWrapper.id = 'wikEdDiffWrapper';
wikEd.diffWrapper.className = 'wikEdDiffWrapper';
wikEd.diffWrapper.setAttribute( 'colspan', wikEd.diffColSpan );
diffRow.appendChild( wikEd.diffWrapper );
// create wikEdDiff button wrapper
wikEd.diffButtonWrapper = document.createElement( 'div' );
wikEd.diffButtonWrapper.id = 'wikEdDiffButtonWrapper';
wikEd.diffButtonWrapper.className = 'wikEdDiffButtonWrapper';
wikEd.diffWrapper.appendChild( wikEd.diffButtonWrapper );
// create wikEdDiff button
wikEd.diffButton = document.createElement( 'button' );
wikEd.diffButton.id = 'wikEdDiffButton';
wikEd.diffButton.title = wikEd.config.text['wikEdDiffButton title'];
if ( wikEd.diff === true ) {
wikEd.diffButton.className = 'wikEdDiffButtonChecked';
}
else {
wikEd.diffButton.className = 'wikEdDiffButtonUnchecked';
}
wikEd.diffButtonWrapper.appendChild( wikEd.diffButton );
// add button image
var diffImg = document.createElement( 'img' );
diffImg.id = 'wikEdDiffButtonImg';
diffImg.src = wikEd.config.image['wikEdDiff'];
diffImg.title = wikEd.config.text['wikEdDiffButton title'];
diffImg.alt = wikEd.config.text['wikEdDiffButtonImg alt'];
wikEd.diffButton.appendChild( diffImg );
wikEd.diffDiv = document.createElement( 'div' );
wikEd.diffDiv.id = 'wikEdDiffDiv';
wikEd.diffDiv.className = 'wikEdDiffDiv';
wikEd.diffDiv.style.display = 'none';
// insert wrapper row after title row
if ( document.getElementsByName( 'wpTextbox2' )[0] === undefined ) {
tdOld.parentNode.parentNode.insertBefore( diffRow, tdOld.parentNode.nextSibling );
}
// insert wrapper row before title row for edit conflict page
else {
tdOld.parentNode.parentNode.insertBefore( diffRow, tdOld.parentNode );
}
wikEd.diffWrapper.appendChild( wikEd.diffDiv );
// add event listener to button
wikEd.DiffAddEventListener( wikEd.diffButton, 'click', wikEd.DiffButtonHandler );
// add event listener to button
wikEd.DiffAddEventListener( wikEd.diffTable, 'dblclick', wikEd.DiffWrapperHandler );
// detect already loaded external scripts, also in wikEd.js
if ( wikEd.externalScripts === null ) {
wikEd.externalScripts = [];
var pageScripts = document.getElementsByTagName( 'script' );
for ( var i = 0; i < pageScripts.length; i ++ ) {
var scriptSrc = pageScripts[i].src;
var nameMatch = scriptSrc.match( /\btitle=([^&]*)/ );
if ( nameMatch === null ) {
nameMatch = scriptSrc.match( /\/([^\/]*?)($|\?)/ );
}
if ( nameMatch !== null ) {
var scriptName = nameMatch[1];
if ( scriptName !== '' ) {
// ignore other diff.js scripts
if ( scriptName === 'diff.js' && scriptSrc !== wikEd.config.diffScriptSrc ) {
continue;
}
wikEd.externalScripts[scriptName] = pageScripts[i];
}
}
}
}
// load the external diff script
if ( wikEd.externalScripts['diff.js'] === undefined ) {
if ( WikEdDiff === undefined ) {
var script = document.createElement( 'script' );
script.type = 'text/javascript';
script.src = wikEd.config.diffScriptSrc;
wikEd.head.appendChild( script );
wikEd.externalScripts['diff.js'] = script;
}
}
// call or schedule wikEd.Diff if enabled
if ( wikEd.diff === true ) {
if ( WikEdDiff !== undefined ) {
wikEd.Diff();
}
else {
var script = wikEd.externalScripts['diff.js'];
// MS IE 8
if ( script.onreadystatechange !== undefined ) {
script.onreadystatechange = function () {
if ( this.readyState === 'loaded' ) {
wikEd.Diff();
}
};
}
// Standards
else {
wikEd.DiffAddEventListener( script, 'load', wikEd.Diff, false );
}
}
}
// linkify standard diff
wikEd.DiffLinkifyStandard();
// register links for Lupin's Wikipedia:Tools/Navigation_popups
if ( typeof window.setupTooltips === 'function' ) {
window.setupTooltips( wikEd.diffTable );
}
return;
};
//
// wikEd.DiffButtonHandler: event handler for diff button: toggle wikEdDiff button and box and set cookie
//
wikEd.DiffButtonHandler = function ( event ) {
if ( event.preventDefault !== undefined ) {
event.preventDefault();
}
else {
event.returnValue = false;
}
// turn wikEdDiff off
if ( wikEd.diff === true ) {
wikEd.diff = false;
wikEd.diffButton.className = 'wikEdDiffButtonUnchecked';
wikEd.SetCookie( 'wikEdDiff', '0', 0, '/' );
if ( typeof wikEd.diffDiv === 'object' ) {
if ( wikEd.diffDiv !== null ) {
wikEd.diffDiv.style.display = 'none';
}
}
}
// turn wikEdDiff on
else {
wikEd.diff = true;
wikEd.diffButton.className = 'wikEdDiffButtonChecked';
wikEd.SetCookie( 'wikEdDiff', '1', 0, '/' );
if ( typeof wikEd.diffDiv === 'object' && wikEd.diffDiv !== null ) {
wikEd.diffDiv.style.display = 'block';
wikEd.Diff();
}
}
return;
};
//
// wikEd.DiffLinkifyStandard: linkify wikilinks in standard diff text
//
wikEd.DiffLinkifyStandard = function () {
if ( wikEd.diffTable === null || wikEd.wikiGlobals.wgServer === null || wikEd.diffTableLinkified === true ) {
return;
}
wikEd.diffTableLinkified = true;
var cells = wikEd.diffTable.getElementsByTagName( 'td' );
for ( var i = 0; i < cells.length; i ++ ) {
var cell = cells.item( i );
if ( /\b(diff-context|diff-deletedline|diff-addedline)\b/.test( cell.className ) === true ) {
cell.innerHTML = wikEd.DiffLinkify( cell.innerHTML );
}
}
};
//
// wikEd.Diff: fetch the old versions using ajax to display a diff
//
wikEd.Diff = function () {
// check if set tup
if ( wikEd.diffDiv === null ) {
return;
}
// check if diff.js is loaded
if ( WikEdDiff === undefined ) {
return;
}
// display diff
wikEd.diffDiv.style.display = 'block';
// fetch only once
if ( wikEd.diffDiv.innerHTML.length > 0 ) {
return;
}
// check if this is a diff page
if ( wikEd.diffTable === null ) {
return;
}
// set pushed button style
wikEd.diffButton.className = 'wikEdDiffButtonPressed';
// display div
wikEd.diffDiv.innerHTML =
'<div class="wikEdDiffWorking">' + wikEd.config.text['wikEdDiffLoading'] + '</div>';
// get diff table and version link cells
var tdArray = wikEd.diffTable.getElementsByTagName( 'td' );
var tdOld;
var tdNew;
for ( var i = 0; i < tdArray.length; i ++ ) {
if ( tdArray[i].className === 'diff-otitle' ) {
tdOld = tdArray[i];
}
else if ( tdArray[i].className === 'diff-ntitle' ) {
tdNew = tdArray[i];
break;
}
}
if ( tdOld === null || tdNew === null ) {
return;
}
var oldVersion = null;
var newVersion = null;
var oldUrl;
var newUrl;
// preview pages use textarea and latest article version or second textarea
if (
/(\?|&)action=submit\b/.test( window.location.search ) === true ||
/(\?|&)undoafter=/.test( window.location.search ) === true
) {
// get new version from textarea
var textarea = document.getElementsByName( 'wpTextbox1' )[0];
if ( textarea === undefined ) {
return;
}
newVersion = textarea.value;
newVersion = newVersion.replace( /\s+$/g, '' );
// get old version from second textarea ( edit conflict )
var textarea2 = document.getElementsByName( 'wpTextbox2' )[0];
if ( textarea2 !== undefined ) {
oldVersion = textarea2.value;
oldVersion = oldVersion.replace( /\s+$/g, '' );
// calculate diff
wikEd.diffDiv.innerHTML = wikEd.DiffResponse( oldVersion, newVersion );
wikEd.diffDiv.style.display = 'block';
wikEd.diffButton.className = 'wikEdDiffButtonChecked';
return;
}
// generate url from MediaWiki variables or from location url
var url;
var server = wikEd.wikiGlobals.wgServer;
var scriptPath = wikEd.wikiGlobals.wgScriptPath;
scriptPath = scriptPath.replace( server, '' );
if ( server !== '' && scriptPath !== '' ) {
url = server + scriptPath.replace( /\$1/, '' ) + '/index.php';
}
else {
url = window.location.protocol + '//' + window.location.hostname + '/' + window.location.pathname;
}
var article;
var pageName = wikEd.wikiGlobals.wgPageName;
if ( pageName !== '' ) {
article = pageName;
}
else {
var articleMatch = window.location.search.match( /(\?|&)title=([^&#]+)/ );
if ( articleMatch !== null ) {
article = articleMatch[2];
}
}
url += '?title=' + encodeURIComponent( article ) + '&action=raw&maxage=0';
var curRevisionId = wikEd.wikiGlobals.wgCurRevisionId;
if ( curRevisionId !== undefined && curRevisionId !== '' ) {
oldUrl = url + '&oldid=' + curRevisionId;
}
else {
oldUrl = url;
}
// get section for section editing
var section = document.getElementsByName( 'wpSection' );
if ( section !== null ) {
if ( section.length > 0 ) {
if ( section[0].value !== '' ) {
oldUrl += '§ion=' + section[0].value;
}
}
}
}
// diff pages use two different old versions
else {
// get revision id numbers from title links in table cells
var versionMatchOld = tdOld.innerHTML.match( /\bhref="([^#"<>]+?(&(amp;)?|\?)oldid=\d+[^#"<>]*?)"/ );
var versionMatchNew = tdNew.innerHTML.match( /\bhref="([^#"<>]+?(&(amp;)?|\?)oldid=\d+[^#"<>]*?)"/ );
if ( versionMatchOld === null || versionMatchNew === null ) {
return;
}
oldUrl = versionMatchOld[1];
newUrl = versionMatchNew[1];
oldUrl = oldUrl.replace( /&/g, '&' );
newUrl = newUrl.replace( /&/g, '&' );
oldUrl += '&action=raw&maxage=0';
newUrl += '&action=raw&maxage=0';
}
// get the old version using ajax
var requestMethod = 'GET';
var requestUrl = oldUrl;
var postFields = null;
var overrideMimeType = null;
wikEd.DiffAjaxRequest( requestMethod, requestUrl, postFields, overrideMimeType, function ( ajax ) {
oldVersion = ajax.responseText;
// calculate diff
if ( newVersion !== null ) {
wikEd.diffDiv.innerHTML = wikEd.DiffResponse( oldVersion, newVersion );
wikEd.diffDiv.style.display = 'block';
wikEd.diffButton.className = 'wikEdDiffButtonChecked';
}
return;
} );
// get the new version using ajax and linkify
if ( newUrl !== undefined ) {
var requestMethod = 'GET';
var requestUrl = newUrl;
var postFields = null;
var overrideMimeType = null;
wikEd.DiffAjaxRequest( requestMethod, requestUrl, postFields, overrideMimeType, function ( ajax ) {
newVersion = ajax.responseText;
// calculate diff
if ( oldVersion !== null ) {
wikEd.diffDiv.innerHTML = wikEd.DiffResponse( oldVersion, newVersion );
wikEd.diffDiv.style.display = 'block';
wikEd.diffButton.className = 'wikEdDiffButtonChecked';
}
return;
} );
}
return;
};
//
// wikEd.DiffResponse: calculate and linkify the diff between two versions ( code copied from wikEd.js )
//
if ( wikEd.DiffResponse === undefined )
wikEd.DiffResponse = function ( oldVersion, newVersion ) {
// add trailing newline
if ( oldVersion.substr( oldVersion.length - 1, 1 ) !== '\n' ) {
oldVersion += '\n';
}
if ( newVersion.substr( newVersion.length - 1, 1 ) !== '\n' ) {
newVersion += '\n';
}
// call external diff program
var wikEdDiff = new WikEdDiff();
var diffText = wikEdDiff.diff( oldVersion, newVersion );
// linkify blockwise with breaks at delete and block move tags
var diffTextLinkified = '';
var regExp = /<span\b[^>]+?\bclass="wikEdDiff(Delete|Block)"[^>]*>/g;
var regExpMatch;
var pos = 0;
while ( ( regExpMatch = regExp.exec( diffText ) ) !== null ) {
diffTextLinkified += wikEd.DiffLinkify( diffText.substring( pos, regExpMatch.index ) ) + regExpMatch[0];
pos = regExp.lastIndex;
}
diffTextLinkified += wikEd.DiffLinkify( diffText.substr( pos ) );
return diffTextLinkified;
};
//
// wikEd.DiffLinkify: linkify external links and wikilinks in diffed text as <a> anchor elements (code copied from wikEd.js)
//
if ( wikEd.DiffLinkify === undefined )
wikEd.DiffLinkify = function ( html ) {
// < > to \x00 \x01
html = html.replace( /</g, '\x00' );
html = html.replace( />/g, '\x01' );
// split into valid html tags and plain text fragments
var linkified = '';
var regExp = /(<[^<>]*>)|([^<>]+|<|>)/g;
var regExpMatch;
while ( ( regExpMatch = regExp.exec( html) ) !== null ) {
var tag = regExpMatch[1] || '';
var plain = regExpMatch[2] || '';
// process tags
if ( tag !== '' ) {
linkified += tag;
}
// process plain tags
else {
// escape bogus < or >
plain = plain.replace( />/g, '>' );
plain = plain.replace( /</g, '<' );
// external links 123 3 2 14 4 5 6 65
plain = plain.replace(/(((\bhttps?:|\bftp:|\birc:|\bgopher:|)\/\/)|\bnews:|\bmailto:)([^\x00-\x20\s"\[\]\x7f\|\{\}<>]|<[^>]*>)+?(?=([!"().,:;‘-•]*\s|[\x00-\x20\s"\[\]\x7f|{}]|$))/gi,
function ( p ) {
var whole = p;
// remove tags and comments
var url = whole;
url = url.replace( /\x00!--.*?--\x01/g, '' );
url = url.replace( /.*--\x01|\x00!--.*()/g, '' );
url = url.replace( /<.*?>/g, '' );
url = url.replace( /^.*>|<.*$/g, '' );
url = url.replace( /^\s+|\s+$/g, '' );
// make title as readable as possible
var title = url;
title = title.replace( /\+/g, ' ' );
// decodeURI breaks for invalid UTF-8 escapes
title = title.replace( /(%[0-9a-f]{2})+/gi,
function ( p, p1 ) {
try {
return decodeURI( p );
}
catch ( exception ) {
return p;
}
}
);
title = title.replace( /</g, '<' );
title = title.replace( />/g, '>' );
title = title.replace( /"/g, '"' );
// linkify all url text fragments between highlighting <span>s seperately
var anchorOpen = '<a href = "' + url + '" style="text-decoration: none; color: inherit; color: expression(parentElement.currentStyle.color);" title="' + title + '">';
var anchorClose = '</a>';
whole = whole.replace( /(<[^>]*>)/g, anchorClose + '$1' + anchorOpen );
return anchorOpen + whole + anchorClose;
}
);
// linkify links and templates
if ( wikEd.wikiGlobals.wgServer !== null && wikEd.wikiGlobals.wgArticlePath !== null ) {
// 1 [[ 2title 23 | text 3 ]]1 4 {{ 5title 56 6 4
plain = plain.replace( /(\[\[([^|\[\]{}\n]+)(\|[^\[\]{}<>]*)?\]\])|(\{\{([^|\[\]{}\n]*)([^\[\]{}<>]*\}\})?)/g,
function ( p, p1, p2, p3, p4, p5, p6 ) {
var articleName = p2 || '';
var templateName = p5 || '';
var whole = p;
// extract title
var title = articleName;
if ( title === '' ) {
title = templateName;
}
title = title.replace( /\x00!--.*?--\x01/g, '' );
title = title.replace( /.*--\x01|\x00!--.*()/g, '' );
title = title.replace( /<.*?>/g, '' );
title = title.replace( /^.*>|<.*$/g, '' );
title = title.replace( /^\s+|\s+$/g, '' );
// [[/subpage]] refers to a subpage of the current page, [[#section]] to a section of the current page
if ( title.indexOf( '/' ) === 0 || title.indexOf( '#' ) === 0 ) {
title = wikEd.pageName + title;
}
// create url
var url = wikEd.EncodeTitle( title );
var articleTitle = title.replace( /"/g, '"' );
if ( templateName !== '' ) {
if ( /:/.test( title ) === false ) {
url = 'Template:' + url;
articleTitle = 'Template:' + articleTitle;
}
}
url = wikEd.wikiGlobals.wgServer + wikEd.wikiGlobals.wgArticlePath.replace( /\$1/, url );
// linkify all text fragments between highlighting <span>s seperately
var anchorOpen = '<a href = "' + url + '" style = "text-decoration: none; color: inherit; color: expression(parentElement.currentStyle.color)" title="' + articleTitle + '">';
var anchorClose = '</a>';
whole = whole.replace( /(<[^>]*>)/g, anchorClose + '$1' + anchorOpen );
return anchorOpen + whole + anchorClose;
}
);
}
linkified += plain;
}
}
// \x00 and \x01 back to < and >
linkified = linkified.replace( /\x00/g, '<' );
linkified = linkified.replace( /\x01/g, '>' );
return linkified;
};
//
// wikEd.EncodeTitle: encode article title for use in url (code copied from wikEd.js)
//
if ( wikEd.EncodeTitle === undefined )
wikEd.EncodeTitle = function ( title ) {
if ( title === undefined ) {
title = wikEd.wikiGlobals.wgTitle;
}
// characters not supported
title = title.replace( /[<>\[\]|{}]/g, '' );
title = title.replace( / /g, '_' );
title = encodeURI( title );
title = title.replace( /%25(\d\d)/g, '%$1' );
title = title.replace( /&/g, '%26' );
title = title.replace( /#/g, '%23' );
title = title.replace( /'/g, '%27' );
title = title.replace( /\?/g, '%3F' );
title = title.replace( /\+/g, '%2B' );
return title;
};
//
// wikEd.InitObject: initialize object, keep pre-defined values ( code copied from wikEd.js )
//
if ( wikEd.InitObject === undefined )
wikEd.InitObject = function ( target, source, showMissing ) {
if ( typeof target === 'object' ) {
for ( var key in source ) {
if ( target[key] === undefined ) {
target[key] = source[key];
// show missing array entries
if ( showMissing === true ) {
if ( typeof target[key] === 'string' ) {
wikEd.config.debugStartUp += '\t\t\t\'' + key + '\': \'' + target[key].replace( /\n/g, '\\n' ) + '\',\n';
}
}
}
}
}
return;
};
//
// wikEd.AddToObject: add or replace properties, replace existing values (code copied from wikEd.js)
//
if ( wikEd.AddToObject === undefined )
wikEd.AddToObject = function ( target, source, priority ) {
if ( priority === undefined ) {
priority = {};
}
if ( typeof target === 'object' ) {
for ( var key in source ) {
if ( priority[key] !== undefined ) {
target[key] = priority[key];
}
else {
target[key] = source[key];
}
}
}
return;
};
//
// wikEd.InitImage: initialize images, keep pre-defined values (code copied from wikEd.js)
//
if ( wikEd.InitImage === undefined )
wikEd.InitImage = function ( target, source ) {
var server = window.location.href.replace( /^(\w+:\/\/.*?)\/.*/, '$1' );
var protocol = server.replace( /^(\w+:)\/\/.*/, '$1' );
for ( var key in source ) {
if ( target[key] === undefined ) {
// remove MediaWiki path prefixes and add local path
if ( wikEd.config.useLocalImages === true ) {
target[key] = wikEd.config.imagePathLocal + source[key].replace( /^[0-9a-f]+\/[0-9a-f]+\/()/, '' );
}
// add path
else {
target[key] = wikEd.config.imagePath + source[key];
}
// Chrome 33.0.1750.146 m bug, not displaying frame html background image without complete URL
if ( /^\/\//.test( target[key] ) === true ) {
target[key] = protocol + target[key];
}
else if ( /^\//.test( target[key] ) === true ) {
target[key] = server + target[key];
}
}
}
return;
};
//
// wikEd.DiffStyleSheet: create a new style sheet object
//
wikEd.DiffStyleSheet = function ( contextObj ) {
if ( contextObj === undefined ) {
contextObj = document;
}
this.styleElement = null;
// MS IE compatibility
if ( contextObj.createStyleSheet ) {
this.styleElement = contextObj.createStyleSheet();
}
// standards compliant browsers
else {
this.styleElement = contextObj.createElement( 'style' );
this.styleElement.from = 'text/css';
var insert = contextObj.getElementsByTagName( 'head' )[0];
if ( insert !== undefined ) {
this.styleElement.appendChild( contextObj.createTextNode( '' ) ); // Safari 3 fix
insert.appendChild( this.styleElement );
}
}
//
// wikEd.DiffStyleSheet.AddCSSRule: add one rule at the time using DOM method, very slow
//
this.AddCSSRule = function ( selector, declaration ) {
// MS IE compatibility
if ( this.styleElement.addRule !== undefined ) {
if ( declaration.length > 0 ) {
this.styleElement.addRule( selector, declaration );
}
}
// standards compliant browsers
else {
if ( this.styleElement.sheet !== undefined ) {
if ( this.styleElement.sheet.insertRule !== undefined ) {
this.styleElement.sheet.insertRule( selector + ' { ' + declaration + ' } ', 0 );
}
}
}
};
//
// wikEd.DiffStyleSheet.AddCSSRules: add or replace all rules at once, much faster
//
this.AddCSSRules = function ( rules ) {
// MS IE compatibility
if ( this.styleElement.innerHTML === null ) {
this.styleElement.cssText = rules;
}
// Safari, Chrome, WebKit
else if ( wikEd.safari === true || wikEd.chrome === true || wikEd.webkit === true ) {
if ( this.styleElement.firstChild !== null ) {
this.styleElement.removeChild( this.styleElement.firstChild );
}
this.styleElement.appendChild( contextObj.createTextNode( rules ) );
}
// via innerHTML
else {
this.styleElement.innerHTML = rules;
}
return;
};
};
//
// wikEd.GetPersistent: get a cookie or a Greasemonkey persistent value (code copied from wikEd.js)
//
if ( wikEd.GetPersistent === undefined )
wikEd.GetPersistent = function ( name ) {
var getStr;
// check for web storage
wikEd.DetectWebStorage();
// get a value from web storage
if ( wikEd.webStorage === true ) {
getStr = window.localStorage.getItem( name );
}
// get a Greasemonkey persistent value
else if ( wikEd.greasemonkey === true ) {
getStr = GM_getValue( name, '' );
}
// get a cookie value
else {
getStr = wikEd.GetCookie( name );
}
// return string
if ( typeof getStr !== 'string' ) {
getStr = '';
}
return getStr;
};
//
// wikEd.DetectWebStorage: detect if local storage is available (code copied from wikEd.js)
//
if ( wikEd.DetectWebStorage === undefined )
wikEd.DetectWebStorage = function () {
if ( wikEd.webStorage === null ) {
wikEd.webStorage = false;
// https://bugzilla.mozilla.org/show_bug.cgi?id=748620
try {
if ( typeof window.localStorage === 'object' ) {
// web storage does not persist between local html page loads in firefox
if ( /^file:\/\//.test( wikEd.pageOrigin ) === false ) {
wikEd.webStorage = true;
}
}
}
catch ( exception ) {
}
}
return;
};
//
// wikEd.GetCookie: get a cookie (code copied from wikEd.diff.js)
//
if ( wikEd.GetCookie === undefined )
wikEd.GetCookie = function ( cookieName ) {
var cookie = ' ' + document.cookie;
var search = ' ' + cookieName + '=';
var cookieValue = '';
var offset = 0;
var end = 0;
offset = cookie.indexOf( search );
if ( offset !== -1 ) {
offset += search.length;
end = cookie.indexOf( ';', offset );
if ( end === -1 ) {
end = cookie.length;
}
cookieValue = cookie.substring( offset, end );
cookieValue = cookieValue.replace( /\\+/g, ' ' );
cookieValue = decodeURIComponent( cookieValue );
}
return cookieValue;
};
//
// wikEd.SetCookie: set a cookie, deletes a cookie for expire = -1 (code copied from wikEdDiff.js)
//
if ( wikEd.SetCookie === undefined )
wikEd.SetCookie = function ( name, value, expires, path, domain, secure ) {
var cookie = name + '=' + encodeURIComponent( value );
if ( expires !== undefined && expires !== null ) {
// generate a date 1 hour ago to delete the cookie
if ( expires === -1 ) {
var cookieExpire = new Date();
expires = cookieExpire.setTime( cookieExpire.getTime() - 60 * 60 * 1000 );
expires = cookieExpire.toUTCString();
}
// get date from expiration preset
else if ( expires === 0 ) {
var cookieExpire = new Date();
expires = cookieExpire.setTime( cookieExpire.getTime() + wikEd.config.cookieExpireSec * 1000 );
expires = cookieExpire.toUTCString();
}
cookie += '; expires=' + expires;
}
if ( typeof path === 'string' ) {
cookie += '; path=' + path;
}
if ( typeof domain === 'string' ) {
cookie += '; domain=' + domain;
}
if ( secure === true ) {
cookie += '; secure';
}
document.cookie = cookie;
return;
};
//
// wikEd.DiffAjaxRequest: cross browser wrapper for Ajax requests
//
wikEd.DiffAjaxRequest = function ( requestMethod, requestUrl, postFields, overrideMimeType, ResponseHandler ) {
var request;
var headers = {};
var formData;
// prepare POST request
if ( requestMethod === 'POST' ) {
// assemble string body
if ( typeof FormData !== 'function' ) {
// create boundary
var boundary = wikEd.CreateRandomString( 12 );
// POST header, charset: WebKit workaround http://aautar.digital-radiation.com/blog/?p=1645
headers['Content-Type'] = 'multipart/form-data; charset=UTF-8; boundary=' + boundary;
// assemble body data
formData = '';
for ( var fieldName in postFields ) {
if ( Object.prototype.hasOwnProperty.call( postFields, fieldName ) === true ) {
formData += '--' + boundary + '\r\n';
formData += 'Content-Disposition: form-data; name="' + fieldName + '"\r\n\r\n' + postFields[fieldName] + '\r\n';
}
}
formData += '--' + boundary + '--\r\n';
}
// use FormData object
else {
formData = new window.FormData();
for ( var fieldName in postFields ) {
if ( Object.prototype.hasOwnProperty.call( postFields, fieldName ) === true ) {
formData.append( fieldName, postFields[fieldName] );
}
}
}
}
// send the request using Greasemonkey GM_xmlhttpRequest
if ( wikEd.greasemonkey === true ) {
headers['User-Agent'] = window.navigator.userAgent;
// workaround for Error: Greasemonkey access violation: unsafeWindow cannot call GM_xmlhttpRequest.
// see http://wiki.greasespot.net/Greasemonkey_access_violation
window.setTimeout( function () {
new GM_xmlhttpRequest( {
'method': requestMethod,
'url': requestUrl,
'overrideMimeType': overrideMimeType,
'headers': headers,
'data': formData,
'onreadystatechange':
function ( ajax ) {
if ( ajax.readyState !== 4 ) {
return;
}
ResponseHandler( ajax );
return;
}
} );
}, 0);
}
// use standard XMLHttpRequest
else {
// allow ajax request from local copy for testing no longer working, see https://bugzilla.mozilla.org/show_bug.cgi?id=546848
// create new XMLHttpRequest object
if ( typeof window.XMLHttpRequest === 'function' || typeof window.XMLHttpRequest === 'object' ) {
request = new window.XMLHttpRequest();
}
// IE
else if ( typeof window.ActiveXObject === 'object' ) {
// IE 6
try {
request = new window.ActiveXObject( 'Microsoft.XMLHTTP' );
}
// IE 5.5
catch ( exception ) {
try {
request = new window.ActiveXObject( 'Msxml2.XMLHTTP' );
}
catch ( exceptionInner ) {
return;
}
}
}
if ( request === undefined ) {
return;
}
// open the request
request.open( requestMethod, requestUrl, true );
// set the headers
for ( var headerName in headers ) {
if ( Object.prototype.hasOwnProperty.call( headers, headerName ) === true ) {
request.setRequestHeader( headerName, headers[headerName] );
}
}
// set the mime type
if ( request.overrideMimeType !== undefined && overrideMimeType !== null ) {
request.overrideMimeType( overrideMimeType );
}
// send the request, catch security violations Opera 0.9.51
try {
request.send( formData );
}
catch ( exception ) {
return;
}
// wait for the data
request.onreadystatechange = function () {
if ( request.readyState !== 4 ) {
return;
}
ResponseHandler( request );
return;
};
}
return;
};
//
// wikEd.CreateRandomString: create random string of specified length and character set (code copied from wikEd.js)
//
if ( wikEd.CreateRandomString === undefined )
wikEd.CreateRandomString = function ( strLength, charSet ) {
if ( charSet === undefined ) {
charSet = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_0123456789';
}
var str = '';
for ( var i = 0; i < strLength; i ++ ) {
str += charSet.charAt( Math.floor( Math.random() * charSet.length ) );
}
return str;
};
//
// wikEd.GetOffsetTop: get element offset relative to window top (code copied from wikEd.js)
//
if ( wikEd.GetOffsetTop === undefined )
wikEd.GetOffsetTop = function ( element ) {
var offset = 0;
do {
offset += element.offsetTop;
} while ( ( element = element.offsetParent ) !== null );
return offset;
};
//
// wikEd.GetGlobals: parse global context variables (code copied from wikEd.js)
// uses postMessage, head script, and JSON encoding for Greasemonkey global to GM context access
if ( wikEd.GetGlobals === undefined )
wikEd.GetGlobals = function ( names, gotGlobalsHook ) {
if ( gotGlobalsHook !== undefined ) {
wikEd.gotGlobalsHook.push( gotGlobalsHook );
}
// code already running in global context
if ( wikEd.greasemonkey !== true ) {
var globalScopeCode = '';
for ( var i = 0; i < names.length; i ++ ) {
if ( ( window.mw !== undefined ) && ( window.mw.config !== undefined ) ) {
globalScopeCode += 'wikEd.wikiGlobals.' + names[ i ] + ' = mw.config.get("' + names[ i ] + '"); ';
}
else {
globalScopeCode += 'if (typeof ' + names[i] + ' != \'undefined\') { wikEd.wikiGlobals.' + names[ i ] + ' = ' + names[ i ] + '; }';
}
}
if ( gotGlobalsHook !== undefined ) {
globalScopeCode += 'wikEd.ExecuteHook(wikEd.gotGlobalsHook[' + (wikEd.gotGlobalsHook.length - 1) + '], true);';
}
eval( globalScopeCode );
return;
}
// prepare code to be executed in global context for Greasemonkey
if ( ( window.postMessage === undefined ) || ( typeof JSON != 'object' ) ) {
return;
}
var globalScopeCode = 'var globalObj = {};';
if ( gotGlobalsHook !== undefined ) {
wikEd.gotGlobalsHook.push( gotGlobalsHook );
globalScopeCode += 'globalObj.hookNumber = ' + ( wikEd.gotGlobalsHook.length - 1 ) + ';';
}
globalScopeCode += 'globalObj.scriptId = \'wikEdGetGlobalScript' + wikEd.getGlobalsCounter + '\';';
globalScopeCode += 'globalObj.wikEdGetGlobals = {};';
// add global scope variables
for ( var i = 0; i < names.length; i ++ ) {
globalScopeCode += '' +
'if (typeof ' + names[ i ] + ' != \'undefined\') {' +
' globalObj.wikEdGetGlobals[\'' + names[ i ] + '\'] = ' + names[ i ] + ';' +
'}';
}
globalScopeCode += 'var globalObjStr = \'wikEd:\' + JSON.stringify(globalObj);';
var origin = wikEd.pageOrigin;
if ( origin == 'file://' ) {
origin = '*';
}
globalScopeCode += 'window.postMessage(globalObjStr, \'' + origin + '\');';
// create head script to execute the code
var script = document.createElement( 'script' );
script.id = 'wikEdGetGlobalScript' + wikEd.getGlobalsCounter;
wikEd.getGlobalsCounter ++;
if ( script.innerText !== undefined ) {
script.innerText = globalScopeCode;
}
else {
script.textContent = globalScopeCode;
}
wikEd.head.appendChild( script );
return;
};
//
// wikEd.GetGlobalsReceiver: event handler for wikEd.GetGlobals postMessage (code copied from wikEd.js)
//
if ( wikEd.GetGlobalsReceiver === undefined )
wikEd.GetGlobalsReceiver = function ( event ) {
if ( event.source !== window ) {
return;
}
if ( event.origin !== 'null' && event.origin !== wikEd.pageOrigin ) {
return;
}
if ( event.data !== '' ) {
// test if sent by wikEd
if ( /^wikEd:/.test( event.data ) === false ) {
return;
}
event.stopPropagation();
var data = event.data.replace( /wikEd:/, '' );
var globalObj = JSON.parse( data );
var globals = globalObj.wikEdGetGlobals;
if ( globals !== null ) {
for ( var key in globals ) {
if ( Object.prototype.hasOwnProperty.call( globals, key ) === true ) {
wikEd.wikiGlobals[key] = globals[key];
}
}
// run scheduled functions only once
if ( globalObj.hookNumber !== undefined && wikEd.gotGlobalsHook[globalObj.hookNumber] !== undefined ) {
wikEd.ExecuteHook( wikEd.gotGlobalsHook[globalObj.hookNumber], true );
}
// clean up head script
var script = document.getElementById( globalObj.scriptId );
if ( script !== null ) {
wikEd.head.removeChild( script );
}
}
}
return;
};
//
// wikEd.DiffAddEventListener: wrapper for addEventListener (http://ejohn.org/projects/flexible-javascript-events/)
//
wikEd.DiffAddEventListener = function ( domElement, eventType, eventHandler, useCapture ) {
if ( domElement === undefined ) {
return;
}
if ( typeof domElement.addEventListener === 'function' ) {
domElement.addEventListener( eventType, eventHandler, useCapture );
}
else {
domElement['wikEd' + eventType + eventHandler] = eventHandler;
domElement[eventType + eventHandler] = function () {
var eventRootElement = document;
if ( document.addEventListener === undefined ) {
eventRootElement = window;
}
domElement['wikEd' + eventType + eventHandler]( eventRootElement.event );
};
domElement.attachEvent( 'on' + eventType, domElement[eventType + eventHandler] );
}
return;
};
//
// wikEd.ExecuteHook: executes scheduled custom functions from functionsHook array (code copied from wikEd.js)
//
if ( wikEd.ExecuteHook === undefined )
wikEd.ExecuteHook = function ( functionsHook, onlyOnce ) {
if ( functionsHook === undefined ) {
return;
}
for ( var i = 0; i < functionsHook.length; i ++ ) {
if ( typeof functionsHook[i] === 'function' ) {
functionsHook[i]();
}
}
if ( onlyOnce === true ) {
functionsHook = [];
}
return;
};
//
// wikEd.DiffWrapperHandler: event handler for diff table: scroll to edit field (double click) or close (shift/ctrl/alt-double click)
//
wikEd.DiffWrapperHandler = function ( event ) {
// toggle (shift/ctrl/alt-double click)
if ( event.shiftKey === true || event.ctrlKey === true || event.altKey === true || event.metaKey === true ) {
wikEd.DiffButtonHandler();
}
// scroll to edit field (double click)
else {
// filter out selecting double clicks on text
if ( window.getSelection !== undefined ) {
var sel = window.getSelection();
// explicitOriginalTarget (Firefox)
var textTarget = event.explicitOriginalTarget;
if ( textTarget !== undefined ) {
if ( textTarget.nodeName === '#text' ) {
return;
}
}
// ignore for non-blank selection
else if ( sel !== null && /^\s*$/.test( sel.toString() ) === false ) {
return;
}
sel.collapseToEnd();
}
// scroll to edit area
var scrollTo;
if ( wikEd.inputWrapper !== null ) {
scrollTo = wikEd.inputWrapper;
}
// or article preview
if ( scrollTo === undefined && window.getElementsByClassName !== undefined ) {
scrollTo = document.getElementsByClassName( 'diff-currentversion-title' )[0];
}
// or divider between diff and preview
if ( scrollTo === undefined && window.getElementsByClassName !== undefined ) {
scrollTo = document.getElementsByClassName( 'diff-hr' )[0];
}
// or diff table title
if ( scrollTo === undefined ) {
if ( wikEd.diffTableTitle !== null ) {
scrollTo = wikEd.diffTableTitle;
}
}
// scroll
if ( scrollTo !== undefined ) {
window.scroll( 0, wikEd.GetOffsetTop( scrollTo ) );
}
}
return;
};
// call startup
wikEd.DiffStartup();
mw.hook( 'wikipage.diff' ).add( function ( $content ) {
if( $('#wikEdDiffWrapper').length == 0 ) {
$( 'meta[name=wikEdDiffSetupFlag]' ).remove();
$( 'meta[name=wikEdDiffStartupFlag]' ).remove();
wikEd.DiffSetup();
}
} );
// </syntaxhighlight>