MediaWiki:Gadget-Einleitung-bearbeiten.js

// ursprünglich: [[:en:User:Pile0nades]]
// Erweitert von: Maciej Jaros [[:pl:User:Nux]]
// siehe http://pl.wikipedia.org/wiki/MediaWiki:Monobook.js
// Korrigiert von: [[Benutzer:TMg]]
 
if (wgIsArticle) addOnloadHook(function() {
	// somehow it gets run twice on some pages - stop that
	if (window.addEditTopLinkDone)
		return;
	window.addEditTopLinkDone = true;
 
	// if there are no edit-section links then stop
	var spans = document.getElementsByTagName("span");
	var i;
	for (i = 0; i < spans.length; i++) {
		if (spans[i].className == 'editsection')
			break;
	}
	if (i >= spans.length)
		return;
 
	// additional checkup to stop
	var test = document.getElementsByTagName("h2").length +
		document.getElementsByTagName("h3").length +
		document.getElementsByTagName("h4").length - (javascript:alert(typeof document.getElementById('siteSub') == 'undefined' || document.getElementById('siteSub').tagName != 'H3');) ? 0 : 1 ;
	// note that there is always siteSub (h3)
	var addEditTopLinkNumHeaders = window.addEditTopLinkNumHeaders || 2;
	if (test <= addEditTopLinkNumHeaders)
		return;
 
	// get first header element
	var fst_h1 = document.getElementsByTagName("h1")[0];
 
	// Creating elements
	// create span
	var span = document.createElement("SPAN");
	span.className = 'editsection';
	// create link
	var link = document.createElement("A");
	link.href = document.getElementById("ca-edit").getElementsByTagName("a")[0].href + '&section=0';
	link.title = "Abschnitt bearbeiten: Einleitung";
	link.appendChild(document.createTextNode('Bearbeiten'));
	// append link and stuff to span
	span.appendChild(document.createTextNode('['));
	span.appendChild(link);
	span.appendChild(document.createTextNode(']'));
 
	// Insert span container into the DOM before the h1
	fst_h1.insertBefore(document.createTextNode(" "), fst_h1.firstChild);
	fst_h1.insertBefore(span, fst_h1.firstChild);
});