MediaWiki:Gadget-twinklediff.js

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(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);

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