Benutzer:Fomafix/diffhistory.js

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

var diffHistory = {
	maxrows : 10,
	addHistoryBox : function () {
		var d = diffHistory,
		wgStableRevisionId = mw.config.get( 'wgStableRevisionId' ),
		wgCurRevisionId = mw.config.get( 'wgCurRevisionId' ),
		wgArticleId = mw.config.get( 'wgArticleId' );
		//Check if old reviewed page
		if (!wgStableRevisionId || wgStableRevisionId == wgCurRevisionId) return;
		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];
		if (wgStableRevisionId == oldid && wgCurRevisionId == curid) {
			//Check if multi diff
			if (! $( 'table.diff td.diff-multi' )[0] ) 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 = 'auto';
		var contentSub = document.getElementById('mw-fr-diff-headeritems');
		contentSub.parentNode.insertBefore(d.box, contentSub);
		//Fetch history
		$.getJSON(
			mw.util.wikiScript( 'api' ), {
				format: 'json',
				action: 'query',
				prop: 'revisions',
				rvprop: 'user|timestamp|size|flags|ids|comment',
				rvendid: wgStableRevisionId + 1,
				rvlimit: d.maxrows,
				pageids: wgArticleId,
				'continue': ''
			}, diffHistory.show );
	},
	tsToLocal : function (ts) {
		var m = ts.match(/^(\d\d\d\d)-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)Z$/);
		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) {
		var i, j, p;
		diffHistory.history.removeChild(diffHistory.history.firstChild);
		try {
			for (i in res.query.pages) {
				p = res.query.pages[i];
				if (p.revisions) for (j=0; j<p.revisions.length; j++)
					diffHistory.addEntry(p.revisions[j]);
			}
			if (res['continue']) {
				diffHistory.history.appendChild(diffHistory.el('li', '...'));
			}
		}
		catch (e) {
			diffHistory.history.appendChild(diffHistory.el('li', 'Fehler beim Laden der Versionen.'));
		}
	},
	addLink : function (node, text, target, postfix) {
		var link = diffHistory.el('a', text);
		link.href = target;
		node.appendChild(link);
		node.appendChild(document.createTextNode(postfix));
	},
	addEntry : function (rev) {
		var li = diffHistory.el('li', '(');
		diffHistory.addLink(li, 'Aktuell', mw.config.get( 'wgScript' ) + '?title=' + mw.util.wikiUrlencode( mw.config.get( 'wgPageName' ) )
			+ '&diff=cur&oldid=' + rev.revid, ') (');
		diffHistory.addLink(li, 'Vorherige', mw.config.get( 'wgScript' ) + '?title=' + mw.util.wikiUrlencode( mw.config.get( 'wgPageName' ) )
			+ '&diff=prev&oldid=' + rev.revid, ') . . ');
		diffHistory.addLink(li, diffHistory.tsToLocal(rev.timestamp), mw.config.get( 'wgScript' ) + '?title='
			+ mw.util.wikiUrlencode( mw.config.get( 'wgPageName' ) ) + '&oldid=' + rev.revid, ' . . ');
		diffHistory.addLink(li, rev.user, mw.util.getUrl( 'User:' + rev.user ), ' (');
		diffHistory.addLink(li, 'Diskussion', mw.util.getUrl( 'User talk:' + rev.user ), ' | ');
		diffHistory.addLink(li, 'Beiträge', mw.util.getUrl( 'Special:Contributions/' + rev.user ), ') ');
		if (rev.minor === '') {
			var span = diffHistory.el('span', 'K ');
			span.className = 'minor';
			li.appendChild(span);
		}
		if (rev.size) li.appendChild(document.createTextNode('(' + rev.size + ' Bytes) '));
		var span = diffHistory.el('span', '(' + (rev.comment || '') + ')');
		span.className = 'comment';
		li.appendChild(span);
		diffHistory.history.appendChild(li);
	},
	toggle : function () {
		var t = diffHistory.history.style.display == 'none';
		diffHistory.history.style.display = t ? 'block' : 'none';
		diffHistory.togglelink.firstChild.nodeValue = mw.msg( t ? 'collapsible-collapse' : 'collapsible-expand' );
		return false;
	},
	createToggle : function () {
		var span = diffHistory.el('span', '[');
		diffHistory.togglelink = diffHistory.el('a', mw.msg( 'collapsible-collapse' ) );
		diffHistory.togglelink.href = '#';
		diffHistory.togglelink.onclick = diffHistory.toggle;
		span.appendChild(diffHistory.togglelink);
		span.appendChild(document.createTextNode(']'));
		span.style.fontSize = 'x-small';
		span.style.cssFloat = 'right';
		span.style.styleFloat = 'right';
		diffHistory.box.appendChild(span);
	},
	el : function (tag, text) {
		var el = document.createElement(tag);
		el.appendChild(document.createTextNode(text));
		return el;
	}
};

mw.loader.using( [ 'mediawiki.util', 'jquery.makeCollapsible' ], function () {
	if ( mw.config.get( 'wgAction' ) === 'view'
	  && mw.util.getParamValue( 'diff' ) !== null ) {
		$( diffHistory.addHistoryBox );
	}
} );