User:Markhurd/recent2.js

/*
MEH version of User:Lupin/recent2.js
Change log:
0.1 Distinguish this as mine to highlight cache updates.
0.2 Try pairing <p> with </p>.
0.3 Try changing <p> to <br />
1.0 Copied User:Lupin/recent2.js 06:35, 6 June 2007
    Included p -> br change.
1.1 Added version to status message.
1.1.01 Try previous version User:Lupin/recent2.js 01:43, 4 June 2007
       Included p -> br change.
       Added version to status message.
1.2 Try latest version User:Lupin/recent2.js 12:08, 15 June 2007
    Included p -> br change.
    Added version to updating message.
1.3 Update to latest version of User:Lupin/recent2.js 08:35, 17 June 2007
    Included p -> br change.
    Added version to updating message.
1.4 Update to latest version of User:Lupin/recent2.js 18:35, 14 August 2007
    Included p -> br change.
    Added version to updating message.
1.4.01 Added commented out quotes to limit syntax colouring SNAFUs.
1.5 Update to latest version of User:Lupin/recent2.js 02:30, 22 November 2007
    Included p -> br change, scSNAFUs and version message.
 */
MEHr2ver='MEH v1.5';
 
/*
 
  This tool hits the RSS feed for recent changes every 30 seconds or
  so and checks for common vandalism. It does not make a separate
  server request for every edit.
 
  Currently, the RSS feed is full of holes and so this may miss many
  edits.  http://bugzilla.wikimedia.org/show_bug.cgi?id=3942
 
*/
 
 
// <pre><nowiki>
 
recent2={
  // Edit these to your liking.
  // Make sure there's a comma at the end of each line.
  badwordsUrl:          'User:Lupin/badwords',
  filterPage:           'User:Lupin/Filter_recent_changes',
  allRecentPage:        'User:Lupin/All_recent_changes',
  recentIPPage:         'User:Lupin/Recent_IP_edits',
  monitorWatchlistPage: 'User:Lupin/Monitor_my_watchlist',
  spelldictUrl:         'Wikipedia:Lists_of_common_misspellings/For_machines',
  spelldictPage:        'User:Lupin/Live_spellcheck',
  safePages:            '[Ww]ikipedia:([Ii]ntroduction|[Ss]andbox|[Tt]utorial[^/]*/sandbox)',
  linkify:              true,
  // leave this alone
  dummy: null
};
 
recent2.download=function(bundle) {
  // mandatory: bundle.url
  // optional:  bundle.onSuccess (xmlhttprequest, bundle)
  // optional:  bundle.onFailure (xmlhttprequest, bundle)
  // optional:  bundle.otherStuff OK too, passed to onSuccess and onFailure
 
  var x = window.XMLHttpRequest ? new XMLHttpRequest()
    : window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP")
    : false;
 
  if (x) {
    x.onreadystatechange=function() {
      x.readyState==4 && recent2.downloadComplete(x,bundle);
    };
    x.open("GET",bundle.url,true);
    x.send(null);
  }
  return x;
}
 
recent2.downloadComplete=function(x,bundle) {
  x.status==200 && ( bundle.onSuccess && bundle.onSuccess(x,bundle) || true )
  || ( bundle.onFailure && bundle.onFailure(x,bundle) || alert(x.statusText));
};
 
if (! recent2.outputPosition) { recent2.outputPosition=''; }
window.gettingBadWords=false;
window.badWords=null;
 
// paths
if ( typeof(wgServer)!='string' ||
     typeof(wgArticlePath)!='string' ||
     typeof(wgScriptPath)!='string') {
  recent2.articlePath= 'http://' + document.location.hostname + '/wiki/';
  recent2.scriptPath= 'http://' + document.location.hostname + '/w/';
} else {
  recent2.articlePath=wgServer+wgArticlePath.replace(/\$1/, '');
  recent2.scriptPath=wgServer+wgScriptPath+'/';
}
 
recent2.getBadWords=function() {
  window.gettingBadWords=true;
  recent2.download({ url: recent2.scriptPath + 'index.php?title=' +
        recent2.badwordsUrl + '&action=raw&ctype=text/css&max-age=7200', // reload every 2 h
        onSuccess: recent2.processBadWords,
        onFailure: function () { setTimeout(recent2.getBadWords, 15000); return true;}});
}
 
window.diffCellRe=RegExp("<td class=\\\"diff-marker\\\">\\+<\\/td>\\s*" +
                         "<td\\b[^>]*>\\s*<div>\\s*(.*?)\\s*<\\/div>\\s*<\\/td>", 'gi');
 
 
// processBadWords: generate the badWords RegExp from
// the downloaded data.
// d is the xmlhttprequest object from the download
recent2.processBadWords=function(d) {
  var data=d.responseText.split('\n');
  var phrase=[];
  var string=[];
  for (var i=0; i<data.length; ++i) {
    var s=data[i];
 
    // ignore empty lines, whitespace-only lines and lines starting with '<'
    if (/^\s*$|^</.test(s)) { continue; }
 
    // lines beginning and ending with a (back-)slash (and possibly trailing
    // whitespace) are treated as regexps
    if (/^([\\\/]).*\1\s*$/.test(s)) {
      var isPhrase=(s.charAt(0)=='/');
      // remove slashes and trailing whitespace
      s=s.replace(/^([\\\/])|([\\\/]\s*$)/g, '');
      // escape opening parens: ( -> (?:
      s=s.replace(/\(?!\?/g, '(?:');
      // check that s represents a valid regexp
      try { var r=new RegExp(s); }
      catch (err) {
        var errDiv=newOutputDiv('recent2_error', recent2.outputPosition);
        errDiv.innerHTML='Warning: ignoring odd-looking regexp on line '+i
          +' of <a href="/wiki/' + recent2.badwordsUrl + '">badwords</a>:<pre>' + s + '</pre>';
        continue;
      }
      if (isPhrase) phrase.push(s); else string.push(s);
    } else {
      // treat this line as a non-regexp and escape it.
      phrase.push(s.replace(RegExp('([-|.()\\+:!,?*^${}\\[\\]])', 'g'), '\\$1'));
    }
  }
  //                      123                                3       2|4                        4|5         56                        67        71
  //                      (((    repeated char               )       )|(   ... | strings | ...  )|( border  )(   ... | phrases | ...  )( border ))
  window.badWords=RegExp("((([^\\-\\|\\{\\}\\].\\s'=wI:*#0-9a-f])\\3{2,})|(" + string.join('|') + ")|(^|[^/\\w])(" + phrase.join('|') + ")(?![/\\w]))", 'gi');
};
 
window.gettingWatchlist=false;
recent2.watchlist=null;
 
recent2.getWatchlist=function() {
  window.gettingWatchlist=true;
  recent2.download({url: recent2.articlePath + 'Special:Watchlist/raw',
        onSuccess: recent2.processWatchlist,
        onFailure: function () { setTimeout(getWatchlist, 15000); return true; }});
};
 
recent2.processWatchlist=function(req, bundle) {
  var watchlist={};
  var lines=req.responseText.split('\n');
  var inList=false;
  var article = '';
  for (var i=0; i < lines.length; ++i) {
    if (inList || lines[i].indexOf('<textarea id="titles"')== 0) {
      if (inList && lines[i].indexOf('</textarea>') == 0) {
        window.watchlist =  watchlist;
        return;
      }
      if (!inList) {
        inList = true;
        article = lines[i].replace (/^.*>/, '');
      } else {
        article=lines[i];
      }
      watchlist[article] = true;
    }
  }
};
 
window.gettingSpelldict=false;
window.spelldict=null;
 
recent2.getSpelldict=function() {
  window.gettingSpelldict=true;
  recent2.download({url: recent2.scriptPath + 'index.php?title=' + recent2.spelldictUrl + '&action=raw&ctype=text/css',
        onSuccess: recent2.processSpelldict,
        onFailure: function () { setTimeout(getSpelldict, 15000); return true; }});
};
 
recent2.processSpelldict=function(req, bundle) {
  var spelldict={};
  var lines=req.responseText.split('\n');
  var a=[];
  for (var i=0; i<lines.length; ++i) {
    var split=lines[i].split('->');
    if (split.length<2) { continue; }
    split[1]=split.slice(1).join('->').split(/, */);
    split[0]=split[0].toLowerCase().replace(/^\s*/, '');
    spelldict[split[0]]=split[1];
    a.push(split[0]);
  }
  window.spelldict=spelldict;
  window.spellRe=RegExp('\\b(' + a.join('|') + ')\\b', 'i');
};
 
recent2.feed=recent2.scriptPath + 'index.php?title=Special:Recentchanges&feed=rss&action=purge';
 
window.newOutputDiv=function(klass, position, immortal) {
  var h1=document.getElementsByTagName('h1')[0];
  var ret=document.createElement('div');
  if (klass) { ret.className=klass; }
  if (!position) { position='bottom'; }
  switch(position) {
  case 'top':
    h1.parentNode.insertBefore(ret, h1.nextSibling);
    break;
  case 'bottom':
    h1.parentNode.appendChild(ret);
    break;
  default:
    if (!newOutputDiv.alerted) {
      alert('Unknown position '+position+' in recent2.js, newOutputDiv');
      window.newOutputDiv.alerted=true;
    }
    return newOutputDiv(klass, 'bottom');
  }
  if (!immortal) { ret.id=newOutputDiv.uid++; }
  window.outputDivs.push(ret);
  return ret;
};
window.newOutputDiv.alerted=false;
window.newOutputDiv.uid=0;
window.outputDivs=[];
 
window.grabRecentChanges=function(feed) {
  if (! window.badWords && recent2.filter_badwords ) {
    if ( ! window.gettingBadWords ) { recent2.getBadWords(); }
    return setTimeout(function(){grabRecentChanges(feed);}, 500);
  }
  if (! window.watchlist && recent2.filter_watchlist) {
    if (! window.gettingWatchlist ) recent2.getWatchlist();
    return setTimeout(function(){grabRecentChanges(feed);}, 500);
  }
  if (! window.spelldict && recent2.filter_spelling) {
    if (! window.gettingSpelldict) recent2.getSpelldict();
    return setTimeout(function(){grabRecentChanges(feed);}, 500);
  }
  var pos=recent2.outputPosition;
  if (pos=='top') {
    var output=newOutputDiv('recent2.lines', pos);
    var status=newOutputDiv('recent2.status', pos);
  } else {
    var status=newOutputDiv('recent2.status', pos);
    var output=newOutputDiv('recent2.lines', pos);
  }
  status.style.borderStyle='solid';
  status.style.borderColor='orange';
  status.innerHTML=greyFont+'(' + recent2.count + ') ' + MEHr2ver + ' updating...</font>';
 
  // this abort stuff doesn't work properly for some reason...
  //recent2.lastFeedDownload && recent2.lastFeedDownload.abort(); // } catch (summatNasty) { /* do nothing */ }
  recent2.lastFeedDownload=recent2.download({url: feed,
        onSuccess: processRecentChanges,
        output: output, status: status, onFailure: feedFailed});
};
 
var greyFont='<font color="#777">';
 
window.feedFailed=function(x,bundle) {
  try { bundle.status.innerHTML+=greyFont+'failed: '+x.statusText + '</font>'; }
  catch (err) { bundle.status.innerHTML+=greyFont+'failed badly: '+err+'</font>'; }
  return true;
};
 
recent2.newWindows=true;
 
window.linkmaker=function(url, text) {
  var s='<a href="' + url + '"';
  recent2.newWindows && (s += ' target="_blank"');
  s += '>' + text + '</a>';
  return s;
};
 
 
recent2.ipUserRegex=RegExp('(User:)?((25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\\.){3}' +
                           '(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])');
recent2.outputSeparator='<hr>';
 
recent2.delayedLines={};
recent2.delay=0;
recent2.templateNamespace = 'Template';
recent2.namespaces={'Media':1, "Special":1, "User":1, "User talk":1, "Wikipedia":1,
                    "Wikipedia talk":1, "Image":1, "Image talk":1, "MediaWiki":1,
                    "MediaWiki talk":1, "Template":1, "Template talk":1, "Help":1,
                    "Help talk":1, "Category":1, "Category talk":1, "Portal":1, "Portal talk":1};
 
window.processRecentChanges=function(req, bundle){
  recent2.initialId=processRecentChanges.id;
  recent2.latest=processRecentChanges.lastDate;
  var doc;
  if (doc=req.responseXML.documentElement) {
    if (recent2.items=doc.getElementsByTagName('item')) {
      if ((recent2.itemsCurrent=recent2.items.length) > 0) {
        recent2.bundleRef = bundle;
        processRecentChangesSingle(); // start processing one diff every 50 ms
        return;
      }
    }
  }
   processRecentChangesDisplay(bundle);
  return;
}
 
recent2.safePagesRe=new RegExp('^' + recent2.safePages + '$');
recent2.changeDelay=50; // delay between processing each diff, in ms
 
window.nextChangeSoon=function(rightNow) {
  setTimeout(processRecentChangesSingle, rightNow ? 0 : recent2.changeDelay);
};
 
// process single diff items delayed by a short timespan
window.processRecentChangesSingle=function(){
  recent2.itemsCurrent--;
  var i = recent2.itemsCurrent;
  var items = recent2.items;
  if (i < 0) { processRecentChangesDisplay(recent2.bundleRef); return; }
 
  var timestamp = Date.parse(getFirstTagContent(items[i],'pubDate'));
  if (timestamp <= processRecentChanges.lastDate) { nextChangeSoon(true); return; }
  recent2.latest = (timestamp > recent2.latest) ? timestamp : recent2.latest;
 
  var diffText=getFirstTagContent(items[i],'description').split('</tr>').join('</tr>\n');
  var editSummary=diffText.replace(RegExp('^<p>(.*?)</p>[\\s\\S]*'), '$1');
  var editor=getFirstTagContent(items[i], 'creator') || getFirstTagContent(items[i], 'dc:creator');
 
  if (recent2.ignore_my_edits && wgUserName==editor) { return; }
 
  // NB article is the link attribute - a fully qualified URL
  // strip out the &diff=...&oldid=...  bit to leave only ?title=...
  var article=getFirstTagContent(items[i], 'link').split('&')[0];
  if (recent2.delayedLines[article] && recent2.delayedLines[article].editor != editor) {
    delete recent2.delayedLines[article];
  }
 
  if (recent2.filter_anonsOnly && !recent2.ipUserRegex.test(editor)) { nextChangeSoon(true); return; }
 
  // articleTitle is the wgTitle thingy with spaces and all that
  var articleTitle=getFirstTagContent(items[i], 'title');
  //console.info('articleTitle=%s', articleTitle);
 
  if (recent2.ignore_safe_pages && recent2.safePagesRe.test(articleTitle)) {
    //console.warn('Ignoring safe page %s', article);
    nextChangeSoon(true); return;
  }
 
  if (recent2.hideNonArticles) {
    var namespace=articleTitle.replace(/:.*/, '');
    if (recent2.namespaces[namespace] &&
        ( ( recent2.showTemplates && namespace != recent2.templateNamespace ) ||
          ! recent2.showTemplates )) {
      nextChangeSoon(true); return;
    }
  }
 
  // perhaps ignore talk pages
  if (! recent2.show_talkpages && articleTitle
      && /^Talk:|^[^:]*?[_ ]talk:/.test(articleTitle)) {
    nextChangeSoon(true); return;
  }
 
  // perhaps restrict to watchlist articles
  if (recent2.filter_watchlist && articleTitle &&
      ! window.watchlist[articleTitle.replace(/^Talk:/, '').replace(/[ _]talk:/, ':')]) {
    nextChangeSoon(true); return;
  }
 
  // filter against badwords regexp
  if (recent2.filter_badwords) {
    var badMatch=null;
    var diffCell=null;
    var previousVandal= window.vandals[editor];
    var matchesRe='';
    var matchesPlain='';
    diffCellRe.lastIndex=0;
    while (diffCell=diffCellRe.exec(diffText)) {
      // get content of addition table cells, faster than direct fulltext search
      badWords.lastIndex=0;
      // .test() is meant to be faster than a full match
      if (badMatch=badWords.test(diffCell[1])) { break; }
    }
    if (badMatch===true || previousVandal) {
      badWords.lastIndex=0;
      var reMatch;
      while (diffCell && (reMatch=badWords.exec(diffCell[1]))) {
        var badWord=reMatch[2] || reMatch[4] || reMatch[6] || '';
        if (articleTitle.toLowerCase().indexOf(badWord.toLowerCase())<0) { // avoid legit article title occurrences
          badWord=badWord.replace(/^\s+|\s+$/g, '');
          if (badWord!='') {
            matchesPlain+=badWord+', ';
            badWord=badWord.replace(/([^\w ])/g, '\\$1');
            matchesRe+=badWord+'|';
          }
        }
      }
      matchesRe=matchesRe.replace(/\|$/, '');
      matchesPlain=matchesPlain.replace(/, $/, '');
      if (!previousVandal && matchesRe=='') { nextChangeSoon(); return; }
      // highlighting
      var highlighted=diffCell && diffCell[1];
      if (matchesRe) {
        highlighted=highlighted.replace(RegExp('('+matchesRe+')', 'g'),
                                        '<span style="background-color: #FF6">$1</span>');
      }
      articleTitle=getFirstTagContent(items[i], 'title');
      // linkify
      highlighted=recent2.doLinkify(highlighted);
      diffText=recent2.doLinkify(diffText);
 
      if (previousVandal) {
        matchesPlain = '[Previously rolled back this editor] ' + matchesPlain;
      }
 
      recent2.delayedLines[article]={
        timestamp: timestamp, article:article, count:recent2.count, articleTitle:articleTitle,
        editor:editor, badWord:matchesPlain, badDiffFragment:highlighted, diff:diffText, summary:editSummary
      };
    }
  } else if (recent2.filter_spelling) {
    var splMatch=null;
    while (diffCell=diffCellRe.exec(diffText)) {
      if (splMatch=spellRe.test(diffCell[1])) { break; }
    }
    if (splMatch) {
      splMatch = diffCell[1].match(spellRe);
      var misspelling = splMatch[1]; //.replace(/^\s*/, '');
      var badWord = '<a href=\'javascript:recent2.correctSpelling("' + articleTitle.split("'").join("%27") +
        '","'+misspelling.split("'").join("%27")+'")\'>'+ misspelling + '</a>';
      diffText = diffText.replace(RegExp('('+misspelling+')', 'gi'),
                                  '<span style="background-color: #FF6">$1</span>');
      // linkify
      diffText=recent2.doLinkify(diffText);
      recent2.delayedLines[article] = {
        timestamp: timestamp, article:article, count:recent2.count, articleTitle:articleTitle,
        editor:editor, badWord:badWord, badDiffFragment:'', diff:diffText, summary: editSummary
      };
    }
  } else {
    var article=getFirstTagContent(items[i], 'link');
    var articleTitle=getFirstTagContent(items[i], 'title');
    if (recent2.CustomFilter &&
      ! recent2.CustomFilter({timestamp:timestamp, article:article, articleTitle:articleTitle,
            editor:editor, diff:diffText, summary:editSummary})) { nextChangeSoon(); return; }
      // linkify
    diffText=recent2.doLinkify(diffText);
    recent2.delayedLines[article]={
      timestamp: timestamp, article:article, count:recent2.count, articleTitle:articleTitle,
      editor:editor, diff:diffText, summary:editSummary
    };
  }
  // schedule next iteration
  nextChangeSoon();
  return;
}
 
 
 
window.processRecentChangesDisplay=function(bundle){
  var output=recent2.getDelayedLineOutput();
  //console.log(output);
  var outputString='';
  if (recent2.outputPosition=='top') {
    outputString=output.join(recent2.outputSeparator);
  }
  else {
    for (var i=output.length-1; i>=0; --i) {
      outputString+=output[i] + (i>0 ? recent2.outputSeparator : '') ;
    }
  }
  bundle.output.innerHTML+=outputString;
  if (recent2.wait_for_output) { recent2.pauseOutput(); }
  setTimeout(function() {recent2.doPopups(bundle.output)}, 300);
  // overlap better than missing some out, i think; FIXME do this properly
  processRecentChanges.lastDate=recent2.latest; // - 1;
  var statusTail=greyFont+'done up to ' + formatTime(recent2.latest) + '</font>';
  if (processRecentChanges.id > recent2.initialId) {
    statusTail+=' <a href="javascript:showHideDetailRange(' + recent2.initialId + ',' +
      processRecentChanges.id  + ')">toggle these details</a> |';
    if (recent2.autoexpand) {
      setTimeout( function() {
          /* document.title=initialId+' '+processRecentChanges.id; */
          showHideDetailRange(recent2.initialId, processRecentChanges.id); }, 250 );
    }
  }
  statusTail += ' <a href="javascript:deleteEarlierOutputDivs(' + bundle.status.id + ')">remove earlier output</a>';
  if (recent2.wait_for_output) {
    statusTail += ' | <a href="javascript:recent2.unpauseOutputOnce()">show new output</a>';
  }
  statusTail+='<br>';
  bundle.status.innerHTML+=statusTail;
  return;
}
 
// linkify and popupsify wikilinks
recent2.doLinkify=function(txt) {
  if (!txt || !recent2.linkify) { return txt; }
 
  var inheritColor='color:inherit;color:expression(parentElement.currentStyle.color)';
  var externalLinkStyle='text-decoration:none;'
  var internalLinkStyle='text-decoration:none;'
 
  externalLinkStyle=internalLinkStyle='text-decoration:none;border-bottom: 1px dotted;';
 
  txt=txt.replace(/((https?|ftp):(\/\/[^\[\]\{\}\(\)<>\s&=\?#%]+|<[^>]*>)+)/g, function (p,p1) {
    p1=p1.replace(/<[^>]*>/g, '');
    var url=encodeURI(p1);
    url=url.replace(/\"/g, '%22'); // Fix syntax colouring SNAFU: "
    url=url.replace(/\'/g, '%27'); // Fix syntax colouring SNAFU: '
    url=url.replace(/#/g, '%23');
    var ti=p1.replace(/\"/g, '&quot;'); // Fix syntax colouring SNAFU: "
    return('<a href="'+url+'" style="' + externalLinkStyle + inheritColor + '" title="'+ti+'">'+p+'</a>');
  });
 
  // BUG: doLinkify('[[123<span style="color:red">]] badword</span> blah blah')
  // gives '<a href=/wiki/123 ... >[[123<span style="color:red">]]</a> badword</span> blah blah'
  // and the browser closes the <span> inside the </a>, so the badword is not red!
 
  txt=txt.replace(/((\[\[)([^\|\[\]\{\}\n]*)([^\]\n]*)(]\]))/g, function (p,p1,p2,p3) {
    p3=p3.replace(/<[^>]*>/g, '');
    var url=encodeURI(p3);
    url=url.replace(/\"/g, '%22'); // Fix syntax colouring SNAFU: "
    url=url.replace(/\'/g, '%27'); // Fix syntax colouring SNAFU: '
    url=url.replace(/#/g, '%23');
    url=recent2.articlePath+url;
    var ti=p3.replace(/\"/g, '&quot;'); // Fix syntax colouring SNAFU: "
    return('<a href="'+url+'" style="' + internalLinkStyle + inheritColor + '" title="'+ti+'">'+p+'</a>');
  });
  return(txt);
}
 
processRecentChanges.lastDate=0;
processRecentChanges.id=0;
 
recent2.getDelayedLineOutput=function() {
  var ret=[];
  var id=processRecentChanges.id;
  for (var a in recent2.delayedLines) {
    if (recent2.delayedLines[a] && typeof recent2.delayedLines[a].count == typeof 1 &&
        recent2.count - recent2.delayedLines[a].count >= recent2.delay) {
      recent2.delayedLines[a].id=id++;
      var line=(recent2.doLine(recent2.delayedLines[a]));
      if (line) { ret.push(line); }
      delete recent2.delayedLines[a];
    }
  }
  processRecentChanges.id=id;
  return ret;
}
 
window.deleteEarlierOutputDivs=function(cur) {
  for(var i=0; i<outputDivs.length; ++i) {
    if (!outputDivs[i] || !outputDivs[i].id) continue;
    if (outputDivs[i].id >= 0 && outputDivs[i].id < cur) {
      // FIXME BUG: if we go from the bottom up, then we'll delete one too many or too few, or something :-)
      outputDivs[i].parentNode.removeChild(outputDivs[i]);
      outputDivs[i]=null;
    }
  }
  // scroll to the top if we're appending output to the bottom, to keep the div we've clicked visible after the deletions
  if (recent2.outputPosition!='top') document.location='#';
}
 
window.showHideDetailRange=function(start,end) {
  // use the first div to see if we should show or hide
  var div=document.getElementById('diff_div_' + start);
  if (!div) {alert('no such div: diff_div_' + start); return; }
  var state=false; // hide
  if (div.style.display=='none') state=true; // show
  for (var i=start; i<end; ++i) {
    showHideDetail(i, true, state);
  }
}
 
window.toggleSysopEdits=function() {
  var divs=document.getElementsByTagName('div');
  for (var i=0; i<divs.length; ++i) {
    if (divs[i].className=='sysop_edit_line') divs[i].style.display= ( toggleSysopEdits.hidden ? 'none' : 'inline' );
  }
  toggleSysopEdits.hidden = ! toggleSysopEdits.hidden;
}
 
window.bundles={};
 
window.vandalColour = function(vandal) {
  var num=window.vandals[vandal];
  if (!num) return '';
  switch (num) {
  case 1: return '#DDFFDD';
  case 2: return '#BBFFBB';
  }
  var i= 9-(num - 3) *2;
  if (i < 0) i=0;
  return '#' + i + i + 'FF' + i + i;
}
 
window.clickDetails=function(action, max) {
  if(!action) action='show';
  if (!max) max = document.links.length;
  var count=0;
  for (var i=0; i<document.links.length && count < max; ++i) {
    if(document.links[i].innerHTML==action + ' details' && document.links[i].href.indexOf('javascript:') == 0) {
      ++count;
      eval(document.links[i].href.replace('javascript:', ''));
    }
  }
}
 
 
recent2.pendingLines=[];
 
recent2.unpauseOutputOnce=function() {
  //console.log('unpausing once');
  if (recent2.pausedOutput) {
    recent2.togglePausedOutput();
    recent2.togglePausedOutput();
  }
};
 
recent2.pauseOutput=function() {
  //console.log('pausing');
  if (!recent2.pausedOutput) { recent2.togglePausedOutput(); }
  //console.log(recent2.pausedOutput);
}
recent2.unpauseOutput=function() {
  //console.log('unpausing');
  if (recent2.pausedOutput) { recent2.togglePausedOutput(); }
  //console.log(recent2.pausedOutput);
}
 
recent2.togglePausedOutput=function() {
  if (!recent2.pausedOutput) { recent2.pausedOutput = true; return true; }
  else recent2.pausedOutput=false;
  var outputBuffer='';
  while (recent2.pendingLines.length) {
    outputBuffer+=recent2.doLine(recent2.pendingLines.pop());
    if (recent2.pendingLines.length) { outputBuffer+=recent2.outputSeparator; }
  }
  var pos=recent2.outputPosition;
  var output=newOutputDiv('recent2.lines', pos);
  output.innerHTML=outputBuffer;
  setTimeout(function() {recent2.doPopups(output)}, 300);
  return false;
}
 
recent2.togglePaused=function() {
  if(!recent2.paused) { recent2.paused=true; return true; }
  recent2.paused=false;
  loopRecentChanges(loopRecentChanges.url, loopRecentChanges.iterations);
  return false;
}
 
recent2.doLine=function(bundle) {
  if (recent2.pausedOutput) {
    recent2.pendingLines.push(bundle);
    return '';
  }
  //if (recent2.filter_spelling) { return recent2.doSpellLine(bundle); }
  var sysop = null;
  if (typeof sysops != 'undefined') sysop=sysops.test(bundle.editor);
  var lastDiffPage=bundle.article + '&diff=cur&oldid=prev';
  bundle.url=lastDiffPage;
  saveBundle(bundle);
  var div='';
  if (window.vandals[bundle.editor]) { if (window.vandals[bundle.editor] > 0) { div='<div style="background-color:' + vandalColour(bundle.editor) + '">'} }
  else if (sysop) {div='<div class="sysop_edit_line">'};
  return div +
  '<li>' +
  formatTime(bundle.timestamp) + ' ' +
  //latest + ' ' + processRecentChanges.lastDate + ' ' +
  '(' + linkmaker(lastDiffPage, 'last') + ')' +
  ' (' + linkmaker(bundle.article+'&action=history', 'hist') + ')' +
  ' ' + linkmaker(bundle.article, bundle.articleTitle) +
  ( bundle.badWord ? ' matched <b>' + bundle.badWord + '</b> . . ' : ' . . ') +
  linkmaker(recent2.articlePath + 'User:' + bundle.editor,           bundle.editor)     + ' ('  +
  linkmaker(recent2.articlePath + 'User_talk:' + bundle.editor,             'talk')     + ' | ' +
  linkmaker(recent2.articlePath + 'User_talk:' + bundle.editor + '?action=edit' +
            '&autoedit=s#$#\\n{'+'{subst:uw-test1|' + bundle.articleTitle +
            '}}%20~~' + '~~#&autosummary=Your%20recent%20edits',
            'uw-test')     + ' | ' +
  linkmaker(recent2.articlePath + 'User_talk:' + bundle.editor + '?action=edit' +
            '&autoedit=s#$#\\n{'+'{subst:uw-vandalism1|' + bundle.articleTitle +
            '}}%20~~' + '~~#&autosummary=Your%20recent%20edits',
            'uw-vand')     + ' | ' +
  linkmaker(recent2.articlePath + 'Special:Contributions/' + bundle.editor, 'contribs') + ' | ' +
  linkmaker(recent2.articlePath + 'Special:Blockip/' + bundle.editor,       'block')    +  ') . . ' +
  ( bundle.summary ? '<i>('+bundle.summary+')</i> . . ' : '') +
    '<a href="javascript:showHideDetail(' + bundle.id + ')" id="showdiff_link_' + bundle.id + '">show details</a>' +
    ' . . [<a href="javascript:tryRollback(' + bundle.id + ')" class="recent2_rollback">rollback</a>]' +
  '<br /><div id="diff_div_' + bundle.id + '" style="display: none">' +
  '</div></li>' +
  ( div ? '</div>' : '') ;
};
 
recent2.correctSpelling=function (article, badword) {
  var url=recent2.articlePath + article + '?action=edit&autoclick=wpDiff&autominor=true';
  var wl=badword.toLowerCase();
  var cor=spelldict[wl];
  if (!cor|| !cor.length) { alert('Could not find an entry for ' + wl); return; }
  if (cor.length > 1) {
    var q='Which correction should I use?\nPlease either type a number or another correction.\n';
    for (var i=0; i<cor.length; ++i) { q += '\n' + i + ': ' + cor[i]; }
    var ans=prompt(q);
    if (!ans) {return;}
    var num=parseInt(ans, 10);
    if (num > -1 && num < cor.length) { cor = cor[num]; }
    else { cor = ans; }
  } else {
    cor = cor[0];
  }
  cor=cor.replace(/^ *| *$/g, '');
  url += '&autosummary=Correcting%20spelling:%20' + wl + '->' + cor;
  url += '&autoedit=';
  c0=cor.charAt(0);
  wl0 = wl.charAt(0);
  b='\\b';
  url += ['s', b + wl + b, cor, 'g;'].join('#');
  wl=wl0.toUpperCase() + wl.substring(1);
  cor=c0.toUpperCase() + cor.substring(1);
  url += ['s', b + wl + b, cor, 'g;'].join('#');
  wl=wl.toUpperCase();
  cor=cor.toUpperCase();
  url += ['s', b + wl + b, cor, 'g;'].join('#');
  window.open(url);
};
 
window.saveBundle= function(bundle) {
  var z={};
  for (var prop in bundle) { z[prop]=bundle[prop]; }
  window.bundles[bundle.id]=z;
}
 
window.vandals={};
 
window.tryRollback=function(id) {
  if (recent2.non_admin_rollback) { recent2.tryNonAdminRollback(id); }
  else { recent2.tryAdminRollback(id); }
};
 
recent2.getBundleVandal=function(id) {
  var b=window.bundles[id];
  if (!b) {
    alert('No bundle! Please tell Lupin how to reproduce this error - it should not really happen.');
    return null;
  }
  var vandal=b.editor;
  if (window.vandals[vandal]==null) { window.vandals[vandal]=1; }
  else { window.vandals[vandal]++; }
  return b;
}
 
recent2.tryAdminRollback=function(id){
  var b=recent2.getBundleVandal(id);
  if (!b) { return; }
  var vandal=b.editor;
  var onSuccess=function (x, bundle) {
          var rollRe=RegExp('<a href="(/w/index.php[^"]*?action=rollback[^"]*?from=([^&]*)[^"]*?)".*?(<span class="comment">(.*?)</span>)');
    // match[0]: useless
    // match[1]: url (escaped)
    // match[2]: last editor (escaped)
    // match[4]: last edit summary (wikiText - FIXME strip this to plain text)
    var match=rollRe.exec(x.responseText);
    if (!match) {
      alert('No rollback link found.' +
            '\nMaybe you should try the non-admin rollback by checking the checkbox above?\n' +
            'Alternatively, this may be a bug.');
      return;
    }
    var lastEditor=match[2].split('+').join(' ');
    var lastSummary=match[4];
    // var vandal=b.editor; // from the closure
    if (lastEditor != vandal) {
      var summary=lastSummary.replace(RegExp('<[^>]*?>','g'),'');
      if (!summary) summary=lastSummary;
      alert( 'Could not rollback - someone else has edited since the vandal.\n\nPage: '+ b.articleTitle +
             '\nVandal: '+vandal+'\nLast editor: '+lastEditor+'\nEdit summary: '+summary);
      return;
    }
    var rollbackUrl=match[1].split('&amp;').join('&');
    // confirm('Rollback edits by '+vandal + ' to '+b.articleTitle+'?') &&
    window.open(rollbackUrl, '_blank');
  }
  var onFailure = function(x,bundle) {
    alert('HTTP failed when trying to get rollback link in url\n' + bundle.url +
          '\n\nHTTP status text: ' + x.statusText);
    return true;
  }
  recent2.download({ url:b.url, onSuccess: onSuccess, id: b.id, onFailure:onFailure});
};
 
recent2.tryNonAdminRollback=function(id) {
  if (typeof(autoEdit)=='undefined') {
    alert('You need to have autoedit functionality for non-admin rollback.\n\n' +
          'This is included in Navigation popups - see [[WP:POP]].\n\n'+
          'Alternatively, you can try adding '+
          '{'+'{subst:js|User:Lupin/autoedit.js}} ' +
          'to your user javascript file.'); return;
  }
  var b=recent2.getBundleVandal(id);
  if (!b) { return; }
  var vandal=b.editor;
  var url=recent2.scriptPath + 'query.php?format=json&titles=' + b.articleTitle + '&what=revisions&rvlimit=100&rvcomments';
  var onSuccess=function(x,y){ recent2.processHistoryQuery(x,y,b); }
  recent2.download({ url: url, onSuccess: onSuccess, id: b.id}); // fixme: onFailure
};
 
recent2.processHistoryQuery=function(x,downloadBundle, bundle) {
  var json=x.responseText;
  try {
    eval('var o='+json);
    var p=o['pages'];
    var edits=recent2.anyChild(p)['revisions'];
  }
  catch ( someError ) { alert('JSON business failed.\n\n' + json.substring(0,100)
                              + '\n\nCannot rollback.'); return; }
  var i;
  for (i=0; i<edits.length; ++i) {
    if (edits[i]['user']!=bundle.editor) { break; }
  }
  if (i===0) {
    alert( 'Could not rollback - someone else has edited since the vandal.\n\nPage: ' +
           bundle.articleTitle +
           '\nVandal: '+bundle.editor+'\nLast editor: '+edits[0]['user']+
           '\nEdit summary: '+edits[0]['comment']);
    return;
  }
  if (i==edits.length) {
    alert(bundle.editor + ' seems to be the only editor to ' + bundle.articleTitle +
          '.\n\nRollback aborted.'); return;
  }
  var prevEditor=edits[i]['user'];
  var prevRev=edits[i]['revid'];
  var summary='Reverted edits by [[Special:Contributions/' + escape(bundle.editor) + '|' +
  escape(bundle.editor) + ']] to last version by ' + escape(prevEditor);
  summary=summary.split(' ').join('%20');
  var url=bundle.article + '&action=edit&autosummary=' + summary + '&oldid=' + prevRev +
  '&autoclick=wpSave&autominor=true';
  window.open(url, '_blank');
};
//recent2.non_admin_rollback=true;
 
recent2.anyChild=function(obj) {
  for (var p in obj) {
    return obj[p];
  }
  return null;
};
 
recent2.doPopups=function(div) {
  if (typeof(window.setupTooltips)!='undefined') { setupTooltips(div); }
}
 
window.formatTime=function(timestamp) {
  var date=new Date(timestamp);
  var nums=[date.getHours(), date.getMinutes(), date.getSeconds()];
  for (var i=0; i<nums.length; ++i) if (nums[i]<10) nums[i]='0'+nums[i];
  return nums.join(':');
}
 
window.showHideDetail = function(id, force, state) {
  var div=document.getElementById('diff_div_' + id);
  var lk=document.getElementById('showdiff_link_' + id);
  if (!div) return;
  var bundle=window.bundles[id];
  if (!div.innerHTML) div.innerHTML= ( bundle.badDiffFragment ? bundle.badDiffFragment:'') + bundle.diff;
  if ((force && state==true) || (!force && div.style.display=='none')) { div.style.display='inline'; lk.innerHTML='hide details'; }
  else { div.style.display='none';   lk.innerHTML='show details'; }
 
}
 
window.getFirstTagContent=function(parent, tag) {
  var e=parent.getElementsByTagName(tag);
  if (e && (e=e[0]) ) {
    var ret = e.firstChild.nodeValue || e.nodeValue;
    if (typeof ret != typeof '') return '';
    return ret;
  }
};
 
recent2.newCell=function() {
  var numCols=3;
 
  var c=recent2.controls;
  if (!c) { return; }
  if (!c.cellCount) {
    // start a table
    c.cellCount = 0;
    c.table=document.createElement('table');
    c.appendChild(c.table);
    c.tbody=document.createElement('tbody');
    c.table.appendChild(c.tbody);
  }
  if (!(c.cellCount % numCols)) {
    // start a row
    c.curRow=document.createElement('tr');
    c.tbody.appendChild(c.curRow);
  }
  // start a cell
  c.curCell=document.createElement('td');
  c.curRow.appendChild(c.curCell);
  ++c.cellCount;
};
 
recent2.newCheckbox=function(label, state, action, internalName, append) {
  // checkbox
  recent2.newCell();
  var ret=document.createElement('input');
  ret.type='checkbox';
  ret.checked = state;
  ret.onclick = function() { recent2.setBoxCookies(); this.setVariables(); };
  ret.setVariables = action;
  recent2.controls.curCell.appendChild(ret);
  if (internalName) { recent2.controls[internalName]=ret; }
  // label
  var l=document.createElement('label');
  l.innerHTML=label;
  l.onclick=function(){ ret.click(); }
  // recent2.controls.appendChild(l);
  recent2.controls.curCell.appendChild(l);
  recent2.checkboxes.push(ret);
  return ret;
};
 
recent2.checkboxes=[];
 
recent2.setBoxCookies=function() {
  var n=1;
  var val=0;
  for (var i=0; i<recent2.checkboxes.length; ++i) {
    val += n * (recent2.checkboxes[i].checked ? 1 : 0);
    n = n << 1;
  }
  document.cookie = 'recent2_checkboxes='+val+"; expires=Tue, 31-Dec-2030 23:59:59 GMT; path=/";
};
 
recent2.setCheckboxValuesFromCookie=function() {
  var val=recent2.readCookie('recent2_checkboxes');
  if (!val) { return; }
  val=parseInt(val, 10);
  for (var i=0; i<recent2.checkboxes.length; ++i) {
    if ( recent2.checkboxes[i].checked != (val & 1) ) {
      recent2.checkboxes[i].checked= (val & 1);
      recent2.checkboxes[i].setVariables();
    }
    val = val >> 1;
  }
};
 
recent2.readCookie=function(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') { c = c.substring(1,c.length); }
    if (c.indexOf(nameEQ) === 0) { return c.substring(nameEQ.length,c.length); }
  }
  return null;
};
 
recent2.controlUI=function() {
  recent2.controls=newOutputDiv('recent2.controls', 'top', true);
 
  recent2.newCheckbox('Ignore talk pages', !recent2.show_talkpages,
       function() { recent2.show_talkpages=!this.checked; }, 'talk');
  recent2.newCheckbox('Ignore pages outside the article namespace', false,
       function() { recent2.hideNonArticles = this.checked; }, 'hidenonarticles');
  recent2.newCheckbox('... except for the Template namespace', false,
       function() { recent2.showTemplates = this.checked; }, 'showtemplates');
  recent2.newCheckbox('Automatically expand new content', recent2.autoexpand,
       function() { recent2.autoexpand = this.checked; }, 'autoexpand');
  recent2.newCheckbox('Only show edits unchanged after four updates', false,
       function() { recent2.delay = (this.checked) ? 4 : 0; }, 'delayby4');
  recent2.newCheckbox('Use non-admin rollback', false,
       function() { recent2.non_admin_rollback = this.checked; }, 'nonadminrollback');
  recent2.newCheckbox('Ignore my edits', false,
       function() { recent2.ignore_my_edits = this.checked; }, 'ignoremyedits');
  recent2.newCheckbox('Ignore safe pages', false,
       function() { recent2.ignore_safe_pages = this.checked; }, 'ignoresafepages');
  var b=document.createElement('input');
  b.type='button';
  b.value='pause updates';
  b.onclick=function(){
    b.value=(recent2.paused)?'pause updates':'resume updates';
    recent2.togglePaused();
  }
  recent2.newCell();
  recent2.controls.curCell.appendChild(b);
  recent2.setCheckboxValuesFromCookie();
}
 
recent2.count=0;
window.loopRecentChanges=function(url, iterations) {
  if (!iterations) iterations=20;
  loopRecentChanges.iterations=iterations;
  loopRecentChanges.url=url;
  grabRecentChanges(url);
  setTimeout(function () {
    if (recent2.paused) {++recent2.count; return; }
    if (++recent2.count >= iterations && ! confirm('Continue monitoring recent changes?') ) return;
    recent2.count %= iterations; loopRecentChanges(url, iterations);
  }, 30000);
}
window.marvin=function() {
  // this isn't really used (not accessible from the UI), so don't worry about it
  window.sysops=RegExp("^(\\-\\- April|23skidoo|Lupin)$");
  recent2.show_talkpages=true;
  recent2.controlUI();
  loopRecentChanges(recent2.feed, 200);
}
 
// **************************************************
// Installation
// **************************************************
 
recent2.addlilink=function(tabs, url, name, id, title, key){
    var na = document.createElement('a');
    na.href = url;
    na.appendChild(document.createTextNode(name));
    var li = document.createElement('li');
    if(id) li.id = id;
    li.appendChild(na);
    tabs.appendChild(li);
    if(id) {
      if(key && title) ta[id] = [key, title];
      else if(key)     ta[id] = [key, ''];
      else if(title)   ta[id] = ['', title];
    }
    // re-render the title and accesskeys from existing code in wikibits.js
    akeytt();
    return li;
}
 
recent2.addToolboxLink=function(url, name, id){
    var tb = document.getElementById('p-tb').getElementsByTagName('ul')[0];
    recent2.addlilink(tb, url, name, id);
}
 
window.addMarvin=function() {
  recent2.addToolboxLink(recent2.articlePath + recent2.filterPage,
                         'Filter recent changes', 'toolbox_filter_changes');
  recent2.addToolboxLink(recent2.articlePath + recent2.allRecentPage,
                         'All recent changes', 'toolbox_all_changes');
  recent2.addToolboxLink(recent2.articlePath + recent2.recentIPPage,
                         'Recent IP edits', 'toolbox_IP_edits');
  recent2.addToolboxLink(recent2.articlePath + recent2.monitorWatchlistPage,
                         'Monitor my watchlist', 'toolbox_watchlist_edits');
  recent2.addToolboxLink(recent2.articlePath + recent2.spelldictPage,
                         'Live spellcheck', 'toolbox_spelling');
};
 
recent2.testPage = function (str) {
  return RegExp(str.split(/[_ ]/).join('[_ ]'), 'i').test(document.location.href);
};
 
window.maybeStart=function() {
  var loc=document.location.href;
  if (recent2.testPage(recent2.filterPage)) {
    recent2.filter_badwords=true;
  } else if (recent2.testPage(recent2.allRecentPage)) {
    recent2.filter_badwords=false;
  } else if (recent2.testPage(recent2.recentIPPage)) {
    recent2.filter_anonsOnly=true;
  } else if (recent2.testPage(recent2.monitorWatchlistPage)) {
    recent2.filter_watchlist=true;
  } else if (recent2.testPage(recent2.spelldictPage)) {
    recent2.filter_spelling=true;
  } else {
    return;
  }
  setTimeout(marvin, 1000);
}
 
// onload
addOnloadHook(maybeStart);
addOnloadHook(addMarvin);
 
//// testing code
//recent2.filter_badwords=true;
//recent2.filter_spelling=true;
//setTimeout(marvin,1000);
 
 
// </nowiki></pre>