Utilisateur:Jimmy/Twinkle/twinklediff.js

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mw.loader.using('mediawiki.util', function () {

function twinklediff() { 
	if( mw.config.get('wgNamespaceNumber') < 0 ) {
		return;
	}

	var query = {
		'title': mw.config.get('wgPageName'),
		'diff': 'cur',
		'oldid': 'prev'
	};

	mw.util.addPortletLink( 'p-cactions' , 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;
	} 


	mw.util.addPortletLink( 'p-cactions', "javascript:twinklediff.evaluate(false);", 'since', 'tw-since', 'Show difference between last diff and the revision made by previous user' );

	mw.util.addPortletLink( 'p-cactions', "javascript:twinklediff.evaluate(true);", 'since mine', 'tw-sincemine', 'Show difference between last diff and my last revision' );
}
addOnloadHook( twinklediff );

twinklediff.evaluate = function twinklediffEvaluate(me) {
	var ntitle = getElementsByClassName( document.getElementById('bodyContent'), 'td' , 'diff-ntitle' )[0];

	var user;
	if( me ) {
		user = mw.config.get('wgUserName');
	} else {
		var node = document.getElementById( 'mw-diff-ntitle2' );
		if( ! node ) {
			// nothing to do?
			return;
		}
		user = document.evaluate( 'a[1]', node, null, XPathResult.STRING_TYPE, null ).stringValue;
	}
	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
	};
	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();
}

twinklediff.callbacks = {
	main: function( self ) {
		var xmlDoc = self.responseXML;
		var revid = xmlDoc.evaluate( '//rev/@revid', xmlDoc, null, XPathResult.NUMBER_TYPE, null ).numberValue;

		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.config.get('wgServer') + mw.config.get('wgScriptPath') + '/index.php?' + QueryString.create( query );
	}
}

});