MediaWiki:Gadget-twinklediff.js

// (function($){ /* **************************************** *** twinklediff.js: Diff module **************************************** * Mode of invocation:    Tab on non-diff pages ("Last"); tabs on diff pages ("Since", "Since mine", "Current") * Active on:              Existing non-special pages * Config directives in:   TwinkleConfig */ Twinkle.diff = function twinklediff {     if( mw.config.get('wgNamespaceNumber') < 0 || !mw.config.get('wgArticleId') ) {		return;	}	var query = {		'title': mw.config.get('wgPageName'),		'diff': 'cur',		'oldid': 'prev'	};	Twinkle.addPortletLink( mw.util.wikiScript("index")+ "?" + $.param( query ), 'Last', 'tw-lastdiff', 'Show most recent diff' );	// Show additional tabs only on diff pages	if (Morebits.queryString.exists('diff')) {		Twinkle.addPortletLink(function{ Twinkle.diff.evaluate(false); }, 'Since', 'tw-since', 'Show difference between last diff and the revision made by previous user' );		Twinkle.addPortletLink( function{ Twinkle.diff.evaluate(true); }, 'Since mine', 'tw-sincemine', 'Show difference between last diff and my last revision' );		var oldid = /oldid=(.+)/.exec($('#mw-diff-ntitle1').find('strong a').first.attr("href"))[1];		query = {			'title': mw.config.get('wgPageName'),			'diff': 'cur',			'oldid' : oldid		};		Twinkle.addPortletLink( mw.util.wikiScript("index")+ "?" + $.param( query ), 'Current', 'tw-curdiff', 'Show difference to current revision' );	} }; Twinkle.diff.evaluate = function twinklediffEvaluate(me) {	var user;	if( me ) {		user = mw.config.get('wgUserName');	} else {		var node = document.getElementById( 'mw-diff-ntitle2' );		if( ! node ) {			// nothing to do?			return;		}		user = $(node).find('a').first.text;	}	var query = {		'prop': 'revisions',		'action': 'query',		'titles': mw.config.get('wgPageName'),		'rvlimit': 1, 		'rvprop': [ 'ids', 'user' ],		'rvstartid': mw.config.get('wgCurRevisionId') - 1, // i.e. not the current one		'rvuser': user	};	Morebits.status.init( document.getElementById('mw-content-text') );	var wikipedia_api = new Morebits.wiki.api( 'Grabbing data of initial contributor', query, Twinkle.diff.callbacks.main );	wikipedia_api.params = { user: user };	wikipedia_api.post; }; Twinkle.diff.callbacks = {	main: function( self ) {		var xmlDoc = self.responseXML;		var revid = $(xmlDoc).find('rev').attr('revid');		if( ! revid ) {			self.statelem.error( 'no suitable earlier revision found, or ' + self.params.user + ' is the only contributor. Aborting.' );			return;		}		var query = {			'title': mw.config.get('wgPageName'),			'oldid': revid,			'diff': mw.config.get('wgCurRevisionId')		};		window.location = mw.util.wikiScript('index') + '?' + Morebits.queryString.create( query );	} }; })(jQuery); //