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//Mass rollback function
//Written by John254
//Adapted from User:Mr.Z-man/rollbackSummary.js
//Instructions: Selecting the "rollback all" tab when viewing a user's contributions history
//will open all rollback links displayed there. (Use with caution)
 
function rollbackEverythingButton() {
  var hasRollback = getElementsByClassName(document, "span", "mw-rollback-link");
  if (hasRollback[0] && (document.title.indexOf("User contributions") != -1) ) {
    mw.util.addPortletLink('p-cactions', 'javascript:rollbackEverything()', "rollback all", "ca-rollbackeverything", "rollback all edits displayed here");
  }
}
addOnloadHook(rollbackEverythingButton);
function rollbackEverything() {
    for (var i in document.links) {
      if (document.links[i].href.indexOf('action=rollback') != -1) {
        window.open(document.links[i].href);
      }
    }
}

//welcome button


if(wgAction == 'edit' || wgAction == 'view') addOnloadHook(refbuttons)
function refbuttons() {
  var yesref='/wiki/Special:Random';
  if(wgAction == 'edit') {
    var noref='javascript:reftag();';
  } else {
    var noref='javascript:edreftag();';
  }
  mw.util.addPortletLink('p-cactions',noref,'welcome','ca-noref','tag with welcome tag');
}

function reftag() {
  if(document.getElementById('wpTextbox1').value.indexOf('Welcome') != -1) {
    alert('Warning: There is already a welcome tag present. \nNo action taken.');
    return;
  }
document.getElementById('wpTextbox1').value = '{'+'{subst:User:JoeSmack/w}}\n' + document.getElementById('wpTextbox1').value;
document.getElementById('wpSummary').value = 'Welcome to Wikipedia!';
document.getElementById('wpMinoredit').checked = false;
document.getElementById('wpSave').click()
}

function edreftag() {
  var url = document.getElementById('ca-edit').firstChild.href;
  document.location.href = url + '&addreftag=true';
}
if(queryString("addreftag") == "true") addOnloadHook(reftag);

function queryString(p) {
        var re = RegExp('[&?]' + p + '=([^&]*)');
  
        var matches;
  
        if (matches = re.exec(document.location)) {
                try { 
                        return decodeURI(matches[1]);
                } catch (e) {
                }
        }
  
        return null;
}