//<pre><nowiki>

JSconfig.registerKey('HotCatDelay', 100, 'HotCat autocompletion delay (ms):', 5);

addOnloadHook ( hotcat ) ;

 

var hotcat_running = 0 ;

var hotcat_last_v = "" ;

var hotcat_exists_yes = "http://upload.wikimedia.org/wikipedia/commons/thumb/b/be/P_yes.svg/20px-P_yes.svg.png" ;

var hotcat_exists_no = "http://upload.wikimedia.org/wikipedia/commons/thumb/4/42/P_no.svg/20px-P_no.svg.png" ;

var hotcat_upload = 0 ;

var hotcat_no_autocommit = 1;

 

var hotcat_modify_blacklist = new Array (

"CC-" ,

"GFDL" ,

"PD"

) ;

 

function hotcat_remove_upload ( text ) {

  var cats = document.getElementById ( "catlinks" ) ;

  cats = cats.getElementsByTagName ( "span" ) ;

  for ( var i = 0 ; i < cats.length ; i++ ) {

    var a = catsi].getElementsByTagName("a")[0 ;

    if ( a.getAttribute ( "title" ) != text ) continue ;

    catsi].parentNode.removeChild ( catsi].nextSibling ) ;

    catsi].parentNode.removeChild ( catsi ) ;

    break ;

  }

}

 

function hotcat_check_upload () {

  if ( wgNamespaceNumber != -1 || wgTitle != "Upload" ) return ; // Not "Special:Upload"

  hotcat_upload = 1 ;

  var ip = document.getElementById ( "wpWatchthis" ) ;

  var tr = ip.parentNode.parentNode ;

  var ntr = document.createElement ( "tr" ) ;

  var ntd = document.createElement ( "td" ) ;

  var ntde = document.createElement ( "td" ) ;

  var catline = document.createElement ( "div" ) ;

  var np = document.createElement ( "p" ) ;

 

  ntde.appendChild ( document.createTextNode ( "Categories:" ) ) ;

  ntde.style.textAlign = "right" ;

  ntde.style.verticalAlign = "middle" ;

  catline.id = "catlinks" ;

  np.className = "catlinks" ;

  catline.appendChild ( np ) ;

  ntd.appendChild ( catline ) ;

  ntr.appendChild ( ntde ) ;

  ntr.appendChild ( ntd ) ;

  tr.parentNode.insertBefore ( ntr , tr.nextSibling ) ;

 

  // Add handler for submit

  var sub = document.getElementsByName("wpUpload")[0 ;

  sub.onclick = hotcat_on_upload ;

  sub.type = "button" ;

}

 

function hotcat_on_upload () {

  var cats = document.getElementById ( "catlinks" ) ;

  cats = cats.getElementsByTagName ( "span" ) ;

  var eb = document.getElementById ( "wpUploadDescription" ) ;

  for ( var i = 0 ; i < cats.length ; i++ ) {

    var a = catsi].getElementsByTagName("a")[0 ;

    var t = a.innerHTML ;

    if ( t == "" || t == "(+)" ) continue ;

    eb.value += "\n[[Category:" + t + "]]" ;

  }

 

 

  var sub = document.getElementsByName("wpUpload")[0 ;

  sub.onclick = "" ;

  sub.type = "submit" ;

  sub.click();

}

 

function hotcat () {

  if ( hotcat_check_action() ) return ; // Edited page, reloading anyway

  hotcat_check_upload () ;

  var catline = getElementsByClassName ( document , "p" , "catlinks" ) 0 ;

  if ( catline == null || typeof catline == 'undefined' ) return ;

 

  hotcat_modify_existing ( catline ) ;

  hotcat_append_add_span ( catline ) ;

}

 

function hotcat_append_add_span ( catline ) {

  var span_add = document.createElement ( "span" ) ;

  var span_sep = document.createTextNode ( " | " ) ;

  if ( catline.firstChild ) catline.appendChild ( span_sep ) ;

  catline.appendChild ( span_add ) ;

  hotcat_create_span ( span_add ) ;

}

 

String.prototype.ucFirst = function () {

   return this.substr(0,1).toUpperCase() + this.substr(1,this.length);

}

 

function hotcat_is_on_blacklist ( cat_title ) {

  if ( !cat_title ) return 0 ;

  cat_title = cat_title.split(":",2).pop() ;

  for ( var i = 0 ; i < hotcat_modify_blacklist.length ; i++ ) {

    if ( cat_title.substr ( 0 , hotcat_modify_blacklisti].length ) == hotcat_modify_blacklisti ) return 1 ;

  }

  return 0 ;

}

 

function hotcat_modify_span ( span , i ) {

  var cat_title = span.firstChild.getAttribute ( "title" ) ;

  var sep1 = document.createTextNode ( " " ) ;

  var a1 = document.createTextNode ( "(-)" ) ;

  var remove_link = document.createElement ( "a" ) ;

  remove_link.href = "javascript:hotcat_remove(\"" + encodeURIComponent( cat_title ) + "\");" ;

  remove_link.appendChild ( a1 ) ;

  span.appendChild ( sep1 ) ;

  span.appendChild ( remove_link ) ;

 

  if ( hotcat_is_on_blacklist ( cat_title ) ) return ;

  var mod_id = "hotcat_modify_" + i ;

  var sep2 = document.createTextNode ( " " ) ;

  var a2 = document.createTextNode ( "(±)" ) ;

  var modify_link = document.createElement ( "a" ) ;

  modify_link.id = mod_id ;

  modify_link.href = "javascript:hotcat_modify(\"" + mod_id + "\");" ;

  modify_link.appendChild ( a2 ) ;

  span.appendChild ( sep2 ) ;

  span.appendChild ( modify_link ) ;

}

 

function hotcat_modify_existing ( catline ) {

  var spans = catline.getElementsByTagName ( "span" ) ;

  for ( var i = 0 ; i < spans.length ; i++ ) {

    hotcat_modify_span ( spansi , i ) ;

  }

}

 

function hotcat_remove ( cat_title ) {

  if ( hotcat_upload ) {

    hotcat_remove_upload ( cat_title ) ;

    return ;

  }

  var editlk = document.getElementById('ca-edit').getElementsByTagName('a')[0].href;

  document.location = editlk + '&hotcat_removecat=' + cat_title ;

}

 

function hotcatGetParamValue(paramName, h) {

        if (typeof h == 'undefined' ) { h = document.location.href; }

        var cmdRe=RegExp('[&?]'+paramName+'=([^&]*)');

        var m=cmdRe.exec(h);

        if (m) {

                try {

                        return decodeURI(m1]);

                } catch (someError) {}

        }

        return null;

}

 

function hotcat_check_action () {

  var ret = 0 ;

  if ( wgAction != "edit" ) return ret ; // Not an edit page, so no business...

  var summary = new Array () ;

  var t = document.editform.wpTextbox1.value ;

  var prevent_autocommit = 0 ;

  if ( typeof hotcat_no_autocommit != "undefined" ) prevent_autocommit = 1 ;

//  if ( hotcat_no_autocommit ) prevent_autocommit = 1 ;

 

  // Remove existing category?

  var hrc = hotcatGetParamValue('hotcat_removecat') ;

  if ( typeof hrc != "undefined" && hrc != null && hrc != "" ) {

    var tl = t.toLowerCase() ;

    var hrcl = "[[" + hrc.toLowerCase() ;

    var tn = tl.split ( hrcl ) ;

    if ( tn.length == 2 ) { // Found one occurrence of the category - good!

      var l1 = tn.shift().length ;

      var t1 = t.substr ( 0 , l1 ) ;

      var t2 = t.substr ( l1 + hrcl.length ) ;

      t2 = t2.split("]]") ;

      t2.shift() ;

      t2 = t2.join ( "]]" ) ;

      t = t1.replace(/\s+$/,"") + "\n" + t2.replace(/^\s+/,"") ; // Trying to remove whitespace

      summary.push ( "Removed \"" + hrc + "\"" ) ;

      ret = 1 ;

    } else {

      alert ( "Did not find a unique occurrence of \"" + hrc + "\" - maybe it is in a template?" ) ;

      prevent_autocommit = 1 ;

    }

  }  

 

  // Add new category?

  var hnc = hotcatGetParamValue('hotcat_newcat') ;

  if ( typeof hnc != "undefined" && hnc != null && hnc != "" ) {

    var txt = "[[Category:" + hnc + "]]" ;

    t = t + '\n' + txt ;

    summary.push ( "Quick-adding category \"" + hnc + "\"" ) ;

    var t2 = t.split("{{uncat}}").join("") ;

    t2 = t2.split("{{Uncat}}").join("") ;

    if ( t2 != t ) {

      t = t2 ;

      summary.push ( "removed {{uncat}}" ) ;

    }

    ret = 1 ;

  }

 

  if ( ret ) {

    document.editform.wpTextbox1.value = t ;

 

    document.editform.wpSummary.value = summary.join( "; " ) + " (using [[MediaWiki:HotCat.js|HotCat.js]])" ;

    document.editform.wpMinoredit.checked = true ;

    if ( !prevent_autocommit ) {

      document.getElementById("bodyContent").style.display = "none" ; // Hiding the entire edit section so as not to tempt the user into editing...

      document.editform.wpSave.click();

    }

  }

 

  // This is the end, my friend, the end...

  return ret ;

}

 

function hotcat_clear_span ( span_add ) {

  while ( span_add.firstChild ) span_add.removeChild ( span_add.firstChild ) ;

}

 

function hotcat_create_span ( span_add ) {

  hotcat_clear_span ( span_add ) ;

  var a_add = document.createElement ( "a" ) ;

  var a_text = document.createTextNode ( "(+)" ) ;

  span_add.id = "hotcat_add" ;

  a_add.href = "javascript:hotcat_add_new()" ;

  a_add.appendChild ( a_text ) ;

  span_add.appendChild ( a_add ) ;

}

 

function hotcat_modify ( link_id ) {

  var link = document.getElementById ( link_id ) ;

  var span = link.parentNode ;

  var catname = span.firstChild.firstChild.data ;

 

  while ( span.firstChild.nextSibling ) span.removeChild ( span.firstChild.nextSibling ) ;

  span.firstChild.style.display = "none" ;

  hotcat_create_new_span ( span , catname ) ;

  hotcat_last_v = "" ;

  hotcat_text_changed () ; // Update icon

}

 

function hotcat_add_new () {

  var span_add = document.getElementById ( "hotcat_add" ) ;

  hotcat_clear_span ( span_add ) ;

  hotcat_last_v = "" ;

  hotcat_create_new_span ( span_add , "" ) ;

}

 

function hotcat_create_new_span ( thespan , init_text ) {

  var form = document.createElement ( "form" ) ;

  form.method = "post" ;

  form.onsubmit = function () { hotcat_ok(); return false; } ;

  form.id = "hotcat_form" ;

  form.style.display = "inline" ;

 

  var list = document.createElement ( "select" ) ;

  list.id = "hotcat_list" ;

  list.onclick = function () { document.getElementById("hotcat_text").value = document.getElementById("hotcat_list").value ; hotcat_text_changed() ; } ;

  list.ondblclick = function () { document.getElementById("hotcat_text").value = document.getElementById("hotcat_list").value ; hotcat_text_changed() ; hotcat_ok(); } ;

  list.style.display = "none" ;

 

  var text = document.createElement ( "input" ) ;

  text.size = 40 ;

  text.id = "hotcat_text" ;

  text.type = "text" ;

  text.value = init_text ;

  text.onkeyup = function () { window.setTimeout("hotcat_text_changed();", JSconfig.keys'HotCatDelay' ); } ;

 

  var exists = document.createElement ( "img" ) ;

  exists.id = "hotcat_exists" ;

  exists.src = hotcat_exists_no ;

 

  var OK = document.createElement ( "input" ) ;

  OK.type = "button" ;

  OK.value = "OK" ;

  OK.onclick = hotcat_ok ;

 

  var cancel = document.createElement ( "input" ) ;

  cancel.type = "button" ;

  cancel.value = "Cancel" ;

  cancel.onclick = hotcat_cancel ;

 

  form.appendChild ( list ) ;

  form.appendChild ( text ) ;

  form.appendChild ( exists ) ;

  form.appendChild ( OK ) ;

  form.appendChild ( cancel ) ;

  thespan.appendChild ( form ) ;

  text.focus () ;

}

 

function hotcat_ok () {

  var text = document.getElementById ( "hotcat_text" ) ;

  var v = text.value ;

 

  // Empty category ?

  if ( v == "" ) {

    hotcat_cancel() ;

    return ;

  }

 

  // Special:Upload ?

  if ( hotcat_upload ) {

    hotcat_just_add ( text.value ) ;

    return ;

  }

 

  var editlk = document.getElementById('ca-edit').getElementsByTagName('a')[0].href;

  var url = editlk + '&hotcat_newcat=' + encodeURIComponent( v ) ;

 

  // Editing existing?

  var span = text.parentNode.parentNode ; // span.form.text

  if ( span.id != "hotcat_add" ) { // Not plain "addition"

    var cat_title = span.firstChild.getAttribute ( "title" ) ;

    url += '&hotcat_removecat=' + cat_title ;

  }

 

  document.location = url ;

}

 

function hotcat_just_add ( text ) {

  var span = document.getElementById("hotcat_form") ;

  while ( span.tagName != "SPAN" ) span = span.parentNode ;

  var add = 0 ;

  if ( span.id == "hotcat_add" ) add = 1 ;

  span.id = "" ;

  while ( span.firstChild ) span.removeChild ( span.firstChild ) ;

  var na = document.createElement ( "a" ) ;

  na.href = wgArticlePath.split("$1").join("Category:" + encodeURIComponent( text )) ;

  na.appendChild ( document.createTextNode ( text ) ) ;

  na.setAttribute ( "title" , text ) ;

  span.appendChild ( na ) ;

  var catline = getElementsByClassName ( document , "p" , "catlinks" ) 0 ;

  if ( add ) hotcat_append_add_span ( catline ) ;

 

  for ( var i = 0 ; i < span.parentNode.childNodes.length ; i++ ) {

    if ( span.parentNode.childNodesi != span ) continue ;

    hotcat_modify_span ( span , i ) ;

    break ;

  }

}

 

function hotcat_cancel () {

  var span = document.getElementById("hotcat_form").parentNode ;

  if ( span.id == "hotcat_add" ) {

    hotcat_create_span ( span ) ;

  } else {

    while ( span.firstChild.nextSibling ) span.removeChild ( span.firstChild.nextSibling ) ;

    span.firstChild.style.display = "" ;

    for ( var i = 0 ; i < span.parentNode.childNodes.length ; i++ ) {

      if ( span.parentNode.childNodesi != span ) continue ;

      hotcat_modify_span ( span , i ) ;

      break ;

    }

  }

}

 

function hotcat_text_changed () {

  if ( hotcat_running ) return ;

  var text = document.getElementById ( "hotcat_text" ) ;

  var v = text.value.ucFirst() ;

  if ( hotcat_last_v == v ) return ; // Nothing's changed...

 

  hotcat_running = 1 ;

  hotcat_last_v = v ;

 

  if ( v != "" ) {

    var url = wgServer + "/" + wgScriptPath + "/api.php?format=xml&action=query&list=allpages&apnamespace=14&apfrom=" + encodeURIComponent( v ) ;

    if ( typeof ( hotcat_xmlhttp ) != "undefined" ) hotcat_xmlhttp.abort() ; // Just to make sure...

    hotcat_xmlhttp = new sajax_init_object() ;

    hotcat_xmlhttp.open('GET', url, true);

    hotcat_xmlhttp.onreadystatechange = function () {

          if ( typeof hotcat_xmlhttp == "undefined" ) return ;

          if (hotcat_xmlhttp.readyState == 4) {

              var xml = hotcat_xmlhttp.responseXML ;

              if ( xml == null ) return ;

              var pages = xml.getElementsByTagName( "p" ) ;

              var titles = new Array () ;

              for ( var i = 0 ; i < pages.length ; i++ ) {

                var s = pagesi].getAttribute("title").split(":",2).pop() ;

                if ( s.substr ( 0 , hotcat_last_v.length ) != hotcat_last_v ) break ;

                titles.push ( s ) ;

              }

              hotcat_show_suggestions ( titles ) ;

          }

      };

    hotcat_xmlhttp.send(null);

  } else {

    var titles = new Array () ;

    hotcat_show_suggestions ( titles ) ;

  }

  hotcat_running = 0 ;

}

 

function hotcat_show_suggestions ( titles ) {

  var text = document.getElementById ( "hotcat_text" ) ;

  var list = document.getElementById ( "hotcat_list" ) ;

  var icon = document.getElementById ( "hotcat_exists" ) ;

  if ( titles.length == 0 ) {

    list.style.display = "none" ;

    icon.src = hotcat_exists_no ;

    return ;

  }

 

  var listh = titles.length * 20 ;

  var nl = parseInt ( text.parentNode.offsetLeft ) - 1 ;

  var nt = parseInt(text.offsetTop) - listh ;

  list.size = 5 ;

  list.style.align = "left" ;

  list.style.zIndex = 5 ;

  list.style.position = "absolute" ;

  list.style.top = nt + "px" ;

  list.style.width = text.offsetWidth + "px" ;

  list.style.height = listh + "px" ;

  list.style.left = nl + "px" ;

  while ( list.firstChild ) list.removeChild ( list.firstChild ) ;

  for ( var i = 0 ; i < titles.length ; i++ ) {

    var opt = document.createElement ( "option" ) ;

    var ot = document.createTextNode ( titlesi ) ;

    opt.appendChild ( ot ) ;

    //opt.value = titles[i] ;

    list.appendChild ( opt ) ;

  }

 

  list.style.display = "block" ;

 

  icon.src = hotcat_exists_yes ;

 

  var first_title = titles.shift () ;

  if ( first_title == hotcat_last_v ) return ;

 

  var nosel = hotcat_last_v.length ;

 

  text.value = first_title ;

  if( is_khtml )

   text.setSelectionRange( nosel, first_title.length );

  else

  {

   text.selectionStart = nosel ;

   text.selectionEnd = first_title.length ;

  }

}

//</pre></nowiki>