Benutzer:P.Copp/scripts/diffhistory.js

// Zeigt bei Diffs auf nachzusichtenden Seiten eine Übersicht über
// ungesichtete Versionen an.

var diffHistory = {
	maxrows : 10,
	addHistoryBox : function () {
		var d = diffHistory;
		//Check if old reviewed page
		if (!mw.config.get('wgStableRevisionId') || mw.config.get('wgStableRevisionId') == mw.config.get('wgCurRevisionId')) return;
		try {
			var oldid = document.getElementById('mw-diff-otitle1').firstChild.firstChild.href.match(/&oldid=([^&]*)/)[1];
			var curid = document.getElementById('mw-diff-ntitle1').firstChild.firstChild.href.match(/&oldid=([^&]*)/)[1];
		} catch (e) {
			mw.log.error('Cannot add history box on this page.')
			return;
		}
		if (mw.config.get('wgStableRevisionId') == oldid && mw.config.get('wgCurRevisionId') == curid) {
			//Check if multi diff
			var table = document.querySelectorAll('table.diff')[0];
			var multi = table.querySelectorAll('td.diff-multi')[0];
			if (!multi) return; //all revisions shown
		}
		//Create history box above the review form
		d.box = document.createElement('fieldset');
		var legend = d.el('legend','Ungesichtete Versionen');
		legend.style.padding = 0;
		d.box.appendChild(legend);
		d.createToggle();
		d.box.appendChild(d.history = document.createElement('ul'));
		d.history.appendChild(d.el('li','Lade Versionsgeschichte...'));
		d.box.className = 'portlet pBody diffhistorybox';
		d.box.style.width = '95%';
		var nav = document.getElementById('jump-to-nav');
		nav.parentNode.insertBefore(d.box,nav.nextSibling);
		//Fetch history
		var url = mw.config.get('wgScriptPath') + '/api.php?format=json&callback=diffHistory.show&action=query'
			+ '&prop=revisions&rvprop=user|timestamp|size|flags|ids|comment&rvendid='
			+ (mw.config.get('wgStableRevisionId') + 1) + '&rvlimit=' + d.maxrows + '&pageids=' + mw.config.get('wgArticleId');
		mw.loader.load(url);
	},
	tsToLocal : function (ts) {
		var m = ts.match(/^(\d\d\d\d)-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)Z$/);
		var d = new Date(Date.UTC(m[1],m[2]-1,m[3],m[4],m[5],m[6]));
		var tzdiff = d.getTimezoneOffset() - (new Date()).getTimezoneOffset();
		if (tzdiff) d.setTime(d.getTime() + tzdiff * 60 * 1000);
		var hour = d.getHours() < 10 ? '0' + d.getHours() : d.getHours();
		var min = d.getMinutes() < 10 ? '0' + d.getMinutes() : d.getMinutes();
		var month = ['Jan','Feb','Mär','Apr','Mai','Jun','Jul','Aug','Sep','Okt','Nov','Dez'][d.getMonth()];
		return d.getDate() + '. ' + month + '. ' + d.getFullYear() + ', ' + hour + ':' + min;
	},
	show : function (res) {
		this.history.removeChild(this.history.firstChild);
		try {
			for (var i in res.query.pages) {
				var p = res.query.pages[i];
				if (p.revisions) for (j=0;j<p.revisions.length;j++)
					this.addEntry(p.revisions[j]);
			}
			if (res['query-continue']) this.history.appendChild(this.el('li','...'));
		}
		catch (e) {this.history.appendChild(this.el('li','Fehler beim Laden der Versionen.'));}
	},
	addLink : function (node,text,target,postfix) {
		var link = this.el('a',text);
		link.href = target;
		node.appendChild(link);
		node.appendChild(document.createTextNode(postfix));
	},		
	addEntry : function (rev) {
		var li = this.el('li','(');
		this.addLink(li,'Aktuell','/w/index.php?title=' + encodeURIComponent(mw.config.get('wgPageName'))
			+ '&diff=cur&oldid=' + rev.revid,') (');
		this.addLink(li,'Vorherige','/w/index.php?title=' + encodeURIComponent(mw.config.get('wgPageName'))
			+ '&diff=prev&oldid=' + rev.revid,') . . ');
		this.addLink(li,diffHistory.tsToLocal(rev.timestamp),'/w/index.php?title='
			+ encodeURIComponent(mw.config.get('wgPageName')) + '&oldid=' + rev.revid,' . . ');
		this.addLink(li,rev.user,mw.config.get('wgArticlePath').replace(/\$1/g,'User:' + rev.user),' (');
		this.addLink(li,'Diskussion',mw.config.get('wgArticlePath').replace(/\$1/g,'User talk:' + rev.user),' | ');
		this.addLink(li,'Beiträge',mw.config.get('wgArticlePath').replace(/\$1/g,'Special:Contributions/' + rev.user),') ');
		if (rev.minor === '') {
			var span = this.el('span','K ');
			span.className = 'minor';
			li.appendChild(span);
		}
		if (rev.size) li.appendChild(document.createTextNode('(' + rev.size + ' Bytes) '));
		var span = this.el('span','(' + (rev.comment || '') + ')');
		span.className = 'comment';
		li.appendChild(span);
		this.history.appendChild(li);
	},
	toggle : function () {
		var t = this.history.style.display == 'none';
		this.history.style.display = t ? 'block' : 'none';
		this.togglelink.firstChild.nodeValue = t ? 'Einklappen' : 'Ausklappen';
	},
	createToggle : function () {
		var span = this.el('span','[');
		this.togglelink = this.el('a','Einklappen');
		this.togglelink.href = 'javascript:diffHistory.toggle()';
		span.appendChild(this.togglelink);
		span.appendChild(document.createTextNode(']'));
		span.style.fontSize = 'x-small';
		span.style.cssFloat = 'right';
		span.style.styleFloat = 'right';
		this.box.appendChild(span);
	},
	el : function (tag,text) {
		var el = document.createElement(tag);
		el.appendChild(document.createTextNode(text));
		return el;
	}
};

if (((mw.config.get('wgAction') == 'view') || (mw.config.get('wgAction') == 'historysubmit')) && location.search.indexOf('diff=') > -1) $(document).ready(diffHistory.addHistoryBox);