User:Porchcorpter/rollback.js

// Created by Gracenotes // Credits: Porchcrop for some minor improvements. Information shown at User:Porchcrop/Rollback Summary

function addSumLink { var rbnode = [], diffnode, index = {}, gebcn = function(a, b, c) { return a.getElementsByClassName(c) }; 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 summary for rollback (or leave as current to use default summary):",                        "Reverted edits by $2 (talk) to last version by $1"); if (summary == null || summary == "") return false; else if (summary == "Reverted edits by $2 (talk) to last version by $1") return true; this.href = this.href.replace("?", "?summary=" + encodeURIComponent(summary) + "&"); };

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);