User:Ilmari Karonen/unwatch.js

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// ADD UNWATCH LINKS: <pre><nowiki>

addOnloadHook(function () {
    if (!wgCanonicalSpecialPageName || wgCanonicalSpecialPageName != "Watchlist") return;
    if (!document.forms[0] || !document.forms[0].namespace) return;

    //var query_prefix = "title="+encodeURIComponent(wgPageName)+"&action=submit&remove=1&id[]=";
    var query_prefix = "action=unwatch&title=";

    // get list of all links in content:
    var links = document.getElementById('content').getElementsByTagName('a');

    // make a static copy of the nodelist and lose the original for speed
    // while we're at it, prune the uninteresting links from the list
    var linksCopy = new Array ();
    for (var i = 0; i < links.length; i++) {
        if (/[?&]action=history([&#]|$)/.test(links[i].href)) linksCopy.push(links[i]);
    }
    links = linksCopy;

    for (var i = 0; i < links.length; i++) {
        // create unwatch link and append it after history link
        var unwatch = document.createElement('a');
        unwatch.href = wgServer + wgScriptPath + "/index.php?" + query_prefix + encodeURIComponent(links[i].title);
        unwatch.title = "Unwatch "+links[i].title;
        unwatch.appendChild(document.createTextNode("unwatch"));
        links[i].parentNode.insertBefore(unwatch, links[i].nextSibling);

        // insert a delimiter between the two links
        var delim = links[i].previousSibling;
        delimText = (delim.nodeType == 3 ? delim.nodeValue : ""); // kluge to handle case where "diff" is unlinked
        delim = document.createTextNode(delimText.replace(/^.*diff/, ""));
        links[i].parentNode.insertBefore(delim, unwatch);
    }
});

// </nowiki></pre>