User:Redactyll/rollback.js

function addSumLink { var rbnode = [], diffnode, index = {}, gebcn = document.getElementsByClassName ? function(a, b, c) { return a.getElementsByClassName(c) } : getElementsByClassName; if (typeof rollbackLinksDisable == 'object' && rollbackLinksDisable instanceof Array) for (var i = 0; i < rollbackLinksDisable.length; i++) index[rollbackLinksDisable[i]] = true; if (!('user' in index) && mw.config.get("wgCanonicalSpecialPageName") == "Contributions" ||       !('recent' in index) && mw.config.get("wgCanonicalSpecialPageName") == "Recentchanges" ||        !('watchlist' in index) && mw.config.get("wgCanonicalSpecialPageName") == "Watchlist") rbnode = gebcn(document.getElementById("bodyContent"), "span", "mw-rollback-link"); else if (!('history' in index) && mw.config.get("wgAction") == "history") rbnode = gebcn(document.getElementById("pagehistory"), "span", "mw-rollback-link"); else if (!('diff' in index) && (diffnode = document.getElementById("mw-diff-ntitle2"))) rbnode = gebcn(diffnode, "span", "mw-rollback-link"); for (var i = 0, len = rbnode.length; i < len; i++) addRollbackSummaryLink(rbnode[i]); }

function confirmRollback { var url = this.href; var user = url.match(/[?&]from=([^&]*)/); if (!user) return; user = decodeURIComponent(user[1].replace(/\+/g, " ")); var summary = prompt("Enter a summary to use for rollback.\n\nLeave blank to use the default. $user will be replaced with \"" + user + "\".",                        rollbackSummaryDefault); if (summary == undefined) return false; else if (summary == "") return true; this.href += "&summary=" + encodeURIComponent(summary.replace(/\$user/g, user)); return true; }

function addRollbackSummaryLink(rbnode) { var rblink = rbnode.getElementsByTagName("a")[0]; var alink = rblink.cloneNode(true); alink.className = ""; //don't confuse other scripts alink.firstChild.nodeValue = "sum"; alink.onclick = confirmRollback; rbnode.insertBefore(alink, rblink.nextSibling); rbnode.insertBefore(document.createTextNode(" | "), alink); } if (typeof rollbackLinksDisable == 'undefined') rollbackLinksDisable = []; if (typeof rollbackSummaryDefault == 'undefined') rollbackSummaryDefault = "";

$(addSumLink);