באַניצער:שמאלץ/twinklediff.js

function twinklediff() { 
	if( wgNamespaceNumber < 0 ) {
		return;
	}
 
	var query = {
		'title': wgPageName,
		'diff': 'cur',
		'oldid': 'prev'
	};
 
	mw.util.addPortletLink(chooseBox( 'tw-lastdiff', TwinkleConfig.toolboxButtons ), mw.config.get('wgServer') + mw.config.get('wgScriptPath') + '/index.php?' + QueryString.create( query ), 'last', 'tw-lastdiff', 'Show most recent diff' );
 
	if( !QueryString.exists( 'diff' ) ) {
		// Not diff page
		return;
	} 
 
 
	var l = mw.util.addPortletLink( 'p-cactions', "javascript:twinklediff.evaluate(false);", 'since', 'tw-since', 'Show difference between last diff and the revision made by previous user' );
 
	var l = mw.util.addPortletLink( 'p-cactions', "javascript:twinklediff.evaluate(true);", 'since mine', 'tw-sincemine', 'Show difference between last diff and my last revision' );
}
$( twinklediff );
 
twinklediff.evaluate = function twinklediffEvaluate(me) {
	try {
		var ntitle = getElementsByClassName( document.getElementById('bodyContent'), 'td' , 'diff-ntitle' )[0];
 
 
		if( !ntitle ) {
			// Nothing to see here, move along...
			return;
		}
		var user;
		if( me ) {
			user = wgUserName;
		} else if( vandal ) { 
			// twinklefluff or simlar have already parsed this thingi
			user = vandal;
		} else {
			user = ntitle.getElementsByTagName('a')[3].firstChild.nodeValue;
			if( user == 'Current revision' ) { // Lousy hack inc.
				user = ntitle.getElementsByTagName('a')[6].firstChild.nodeValue;
			}
		}
		var query = {
			'prop': 'revisions',
			'format': 'xml',
			'action': 'query',
			'titles': wgPageName,
			'rvlimit': 1, 
			'rvprop': [ 'ids', 'user' ],
			'rvendid': wgCurRevisionId - 1, // i.e. not the current one
			'rvuser': user,
		};
		Status.init( document.getElementById('bodyContent') );
		var wikipedia_api = new Wikipedia.api( 'Grabbing data of initial contributor', query, twinklediff.callbacks.main );
		wikipedia_api.params = { user: user };
		wikipedia_api.post();
 
	} catch(e) {
		// Ignore!
	}
}
 
twinklediff.callbacks = {
	main: function( self ) {
		var xmlDoc = self.responseXML;
		var revid = xmlDoc.evaluate( '//rev/@revid', xmlDoc, null, XPathResult.NUMBER_TYPE, null ).numberValue;
		Status.info( revid );
 
		if( ! revid ) {
			self.statelem.error( 'no suitable earlier revision found, or ' + self.params.user + ' is the only contributor. Aborting.' );
			return;
		}
		var query = {
			'title': wgPageName,
			'oldid': revid,
			'diff': wgCurRevisionId
		};
		window.location = mw.config.get('wgServer') + mw.config.get('wgScriptPath') + '/index.php?' + QueryString.create( query );
	}
}