User:Jnothman/automod.js

Code that you insert on this page could contain malicious content capable of compromising your account. If you import a script from another page with "importScript", "mw.loader.load", "iusc", or "lusc", take note that this causes you to dynamically load a remote script, which could be changed by others. Editors are responsible for all edits and actions they perform, including by scripts. User scripts are not centrally supported and may malfunction or become inoperable due to software changes. A guide to help you find broken scripts is available. If you are unsure whether code you are adding to this page is safe, you can ask at the appropriate village pump.
This code will be executed when previewing this page.

Documentation for this user script can be added at User:Jnothman/automod.

Note: After saving, you have to bypass your browser's cache to see the changes. Google Chrome, Firefox, Microsoft Edge and Safari: Hold down the ⇧ Shift key and click the Reload toolbar button. For details and instructions about other browsers, see Wikipedia:Bypass your cache.

if ((typeof auto_mod_loaded == 'undefined')
    || !auto_mod_loaded) {
auto_mod_loaded = true;
auto_mod_exectd = false;

function am_get_query_vars(){ 
     var res = new Array();
     var pairs = location.search.substring(1).split("&"); 
     for(var i=0; i < pairs.length; i++){ 
         var pair = pairs[i].split("=");
         res[unescape(pair[0])] = unescape(pair[1]).replace(/\+/g, ' ');
     } 
     return  res; 
}

function am_add_li(portlet, url, text, id, title) {
    var tabs = document.getElementById('p-'+portlet).getElementsByTagName('ul')[0]
    var na = document.createElement('a');
    na.href = url;
    na.id = id;
    na.appendChild(document.createTextNode(text));
    if (title)
       na.title = title;
    var li = document.createElement('li');
    if (id)
       li.id = id;
    li.appendChild(na);
    tabs.appendChild(li);
    return li;
}

function am_get_title() {
    var headings = document.getElementsByTagName('h1');
    for (var i=0; i < headings.length; i++)
        if (headings[i].className == 'firstHeading')
            return headings[i].innerText || headings[i].textContent; // depending on browser, might have problems with ampersands in title
}

function am_guess_date() {
    var monthnames = new Array( "January", "Februrary", "March", "April", "May", "June", "July", "August", "September", "October", "November", "Decemeber");
    var today = new Date();
    return (today.getYear()+1900) + ' ' + monthnames[today.getMonth()] + ' ' + today.getDate();
}

function am_make_url(title, before, after, summary) {
    return 'http://en.wikipedia.org/w/index.php?title='+escape(title)+
        '&action=edit'+
        '&amaddbefore='+escape(before)+'&amaddafter='+escape(after)+
        '&amsummary='+escape(summary);
}

function auto_mod() {
    if (auto_mod_exectd)
        return false;
    auto_mod_exectd = true;
    qvars = am_get_query_vars();
    if (qvars['action']=='edit') {
      if (qvars['amaddafter'] || qvars['amaddbefore']) {
        var summ_el = document.getElementById('wpSummary');
        if (summ_el.value != '' && summ_el.value.substr(summ_el.value.length - 3, 3) != '*/ ') {
            // have already added summary
            return true;
        }
        var text = document.getElementById('wpTextbox1');
        if (qvars['amclear'])
            text.value = '';
        if (qvars['amaddafter']) {
            if (text.value.charAt(text.value.length-1) != '\n')
                text.value += '\n';
            text.value += qvars['amaddafter'];
        }
        if (qvars['amaddbefore']) {
            if (text.value.charAt(0) != '\n')
                text.value = '\n' + text.value;
            text.value = qvars['amaddbefore'] + text.value;
        }
        summ_el.value += (qvars['amsummary'] || ' ');
        document.getElementById('editform').submit();
      }
      return true;
    }
    return false;
}

var am_add_onload=function(f) {
  // borrowed from [[WP:US]]
  if (window.addEventListener) window.addEventListener("load",f,false);
  else if (window.attachEvent) window.attachEvent("onload",f);
  else {
    var oldOnload='_old_onload_'+am_add_onload.uid;
    addOnloadFunction[oldOnload] = window.onload ? window.onload : function () {};
    window.onload = function() { am_add_onload[oldOnload]();  f(); }
    ++am_add_onload.uid;
  }
}
am_add_onload.uid=0;


} // end if auto_mod_loaded