User:Dispenser/Link checker/json.js

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//<source lang="JavaScript">
/** JSON checklinks ************************************************************
 *  Description: Query the Toolserver to preform the link test on a given page
 *               and returns the results to be display at the top of the page.
 *  License:     Public domain
 *
 *  Installation: Copy the lines bellow into your monobook.js
 *   importScript('User:Dispenser/Link_checker/json.js'); // [[User:Dispenser/Link_checker/json.js]]
 * 
 *  Functions: 
 *   checklinksRequest(pagename, callback): Setup JSON query
 *   checklinksDone(checklinksObject): Print table at the top of the page
 *  Configuration:
 *   threshold:  The cutoff score for links to be displayed in the table
 *   checklinksColor: An array of color for each rank [0-6]
 */
var checklinksColor = ['#f7f7f7', '#CFEEB2', '#EEEEB2', '#B2CFEE', '#EED0B2', '#EEB2B2', '#9596E9'];
function checklinksRequest(title, callback){
	document.getElementById('contentSub').innerHTML += '<br />Querying Toolserver <img src="/skins-1.5/common/images/spinner.gif" />';
	var scriptElem = document.createElement('script');
	scriptElem.setAttribute('src', 'http://tools.wikimedia.de/~dispenser/cgi-bin/jsonchecklinks.py?callback=' + callback + '&page=' + title);
	scriptElem.setAttribute('type', 'text/javascript');
	document.getElementsByTagName('head')[0].appendChild(scriptElem);
}
function checklinksDone(checklinks){
	if(!threshold)var threshold=0;
	linktable='<table class="wikitable" id="linktable"><tr><th></th><th>Link</th><th>Analysis</th></tr>';
	alinks = document.getElementsByTagName("a");
	for(var i=1; (link=checklinks.links[i-1]); i++) {
		if(link.rank >= threshold) {
			linktable += '<tr style="background:'+checklinksColor[link.rank]+';" class="dead-'+link.rank+'">'
			            +'  <td><a href="#weblink'+i+'">'+i+'</a></td>'
						+'  <td><a href="'+link.url+'" class="external">'+(link.title||link.url)+'</a></td>'
						+'  <td>'+(link.comment||link.reason)+'</td>'
						+'</tr>\n';
		}
		for(var j=0; (a=alinks[j]); j++){
			// a.title instead of a.href to avoid browser link normalization
			if(a.title == link.url && !a.id){
				a.style.backgroundColor=checklinksColor[link.rank];
				a.id="weblink"+i;
				break;
			}
		}
	}
	linktable += '</table>';
	document.getElementById('contentSub').innerHTML = linktable;
	if(ts_makeSortable)
		ts_makeSortable(document.getElementById('linktable'))
}
if(wgIsArticle) {
addOnloadHook(new Function("addPortletLink('p-tb', 'javascript:checklinksRequest(wgContentLanguage+\":\"+wgPageName, \"checklinksDone\");', 'External links', 't-checklinks', 'Check status of external links', '!');"));
}
// </source>