skins/common/wikibits.js

   1 // MediaWiki JavaScript support functions
   2
   3 var clientPC = navigator.userAgent.toLowerCase(); // Get client info
   4 var is_gecko = /gecko/.test( clientPC ) &&
   5         !/khtml|spoofer|netscape\/7\.0/.test(clientPC);
   6 var webkit_match = clientPC.match(/applewebkit\/(\d+)/);
   7 if (webkit_match) {
   8         var is_safari = clientPC.indexOf('applewebkit') != -1 &&
   9                 clientPC.indexOf('spoofer') == -1;
  10         var is_safari_win = is_safari && clientPC.indexOf('windows') != -1;
  11         var webkit_version = parseInt(webkit_match[1]);
  12 }
  13 // For accesskeys; note that FF3+ is included here!
  14 var is_ff2 = /firefox\/[2-9]|minefield\/3/.test( clientPC );
  15 var ff2_bugs = /firefox\/2/.test( clientPC );
  16 // These aren't used here, but some custom scripts rely on them
  17 var is_ff2_win = is_ff2 && clientPC.indexOf('windows') != -1;
  18 var is_ff2_x11 = is_ff2 && clientPC.indexOf('x11') != -1;
  19 if (clientPC.indexOf('opera') != -1) {
  20         var is_opera = true;
  21         var is_opera_preseven = window.opera && !document.childNodes;
  22         var is_opera_seven = window.opera && document.childNodes;
  23         var is_opera_95 = /opera\/(9\.[5-9]|[1-9][0-9])/.test( clientPC );
  24         var opera6_bugs = is_opera_preseven;
  25         var opera7_bugs = is_opera_seven && !is_opera_95;
  26         var opera95_bugs = /opera\/(9\.5)/.test( clientPC );
  27 }
  28
  29 // Global external objects used by this script.
  30 /*extern ta, stylepath, skin */
  31
  32 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  33 var doneOnloadHook;
  34
  35 if (!window.onloadFuncts) {
  36         var onloadFuncts = [];
  37 }
  38
  39 // code that is dependent on js2 functions should use js2AddOnloadHook
  40 function addOnloadHook(hookFunct) {
  41         // Allows add-on scripts to add onload functions
  42         if(!doneOnloadHook) {
  43                 onloadFuncts[onloadFuncts.length] = hookFunct;
  44         } else {
  45                 hookFunct();  // bug in MSIE script loading
  46         }
  47 }
  48
  49
  50 function hookEvent(hookName, hookFunct) {
  51         addHandler(window, hookName, hookFunct);
  52 }
  53
  54 function importScript(page) {
  55         // TODO: might want to introduce a utility function to match wfUrlencode() in PHP
  56         var uri = wgScript + '?title=' +
  57                 encodeURIComponent(page.replace(/ /g,'_')).replace(/%2F/ig,'/').replace(/%3A/ig,':') +
  58                 '&action=raw&ctype=text/javascript';
  59         return importScriptURI(uri);
  60 }
  61
  62 var loadedScripts = {}; // included-scripts tracker
  63 function importScriptURI(url) {
  64         if (loadedScripts[url]) {
  65                 return null;
  66         }
  67         loadedScripts[url] = true;
  68         var s = document.createElement('script');
  69         s.setAttribute('src',url);
  70         s.setAttribute('type','text/javascript');
  71         document.getElementsByTagName('head')[0].appendChild(s);
  72         return s;
  73 }
  74
  75 function importStylesheet(page) {
  76         return importStylesheetURI(wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent(page.replace(/ /g,'_')));
  77 }
  78
  79 function importStylesheetURI(url,media) {
  80         var l = document.createElement('link');
  81         l.type = 'text/css';
  82         l.rel = 'stylesheet';
  83         l.href = url;
  84         if(media) l.media = media
  85         document.getElementsByTagName('head')[0].appendChild(l);
  86         return l;
  87 }
  88
  89 function appendCSS(text) {
  90         var s = document.createElement('style');
  91         s.type = 'text/css';
  92         s.rel = 'stylesheet';
  93         if (s.styleSheet) s.styleSheet.cssText = text //IE
  94         else s.appendChild(document.createTextNode(text + '')) //Safari sometimes borks on null
  95         document.getElementsByTagName('head')[0].appendChild(s);
  96         return s;
  97 }
  98
  99 // special stylesheet links
 100 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
 101         // FIXME: This tries to load the stylesheets even for skins where they
 102         // don't exist, i.e., everything but Monobook.
 103         if (opera6_bugs) {
 104                 importStylesheetURI(stylepath+'/'+skin+'/Opera6Fixes.css');
 105         } else if (opera7_bugs) {
 106                 importStylesheetURI(stylepath+'/'+skin+'/Opera7Fixes.css');
 107         } else if (opera95_bugs) {
 108                 importStylesheetURI(stylepath+'/'+skin+'/Opera9Fixes.css');
 109         } else if (ff2_bugs) {
 110                 importStylesheetURI(stylepath+'/'+skin+'/FF2Fixes.css');
 111         }
 112 }
 113
 114
 115 if (wgBreakFrames) {
 116         // Un-trap us from framesets
 117         if (window.top != window) {
 118                 window.top.location = window.location;
 119         }
 120 }
 121
 122 function showTocToggle() {
 123         if (document.createTextNode) {
 124                 // Uses DOM calls to avoid document.write + XHTML issues
 125
 126                 var linkHolder = document.getElementById('toctitle');
 127                 var existingLink = document.getElementById('togglelink');
 128                 if (!linkHolder || existingLink) {
 129                         // Don't add the toggle link twice
 130                         return;
 131                 }
 132
 133                 var outerSpan = document.createElement('span');
 134                 outerSpan.className = 'toctoggle';
 135
 136                 var toggleLink = document.createElement('a');
 137                 toggleLink.id = 'togglelink';
 138                 toggleLink.className = 'internal';
 139                 toggleLink.href = 'javascript:toggleToc()';
 140                 toggleLink.appendChild(document.createTextNode(tocHideText));
 141
 142                 outerSpan.appendChild(document.createTextNode('['));
 143                 outerSpan.appendChild(toggleLink);
 144                 outerSpan.appendChild(document.createTextNode(']'));
 145
 146                 linkHolder.appendChild(document.createTextNode(' '));
 147                 linkHolder.appendChild(outerSpan);
 148
 149                 var cookiePos = document.cookie.indexOf("hidetoc=");
 150                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
 151                         toggleToc();
 152                 }
 153         }
 154 }
 155
 156 function changeText(el, newText) {
 157         // Safari work around
 158         if (el.innerText) {
 159                 el.innerText = newText;
 160         } else if (el.firstChild && el.firstChild.nodeValue) {
 161                 el.firstChild.nodeValue = newText;
 162         }
 163 }
 164
 165 function toggleToc() {
 166         var tocmain = document.getElementById('toc');
 167         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 168         var toggleLink = document.getElementById('togglelink');
 169
 170         if (toc && toggleLink && toc.style.display == 'none') {
 171                 changeText(toggleLink, tocHideText);
 172                 toc.style.display = 'block';
 173                 document.cookie = "hidetoc=0";
 174                 tocmain.className = 'toc';
 175         } else {
 176                 changeText(toggleLink, tocShowText);
 177                 toc.style.display = 'none';
 178                 document.cookie = "hidetoc=1";
 179                 tocmain.className = 'toc tochidden';
 180         }
 181 }
 182
 183 var mwEditButtons = [];
 184 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 185
 186 function escapeQuotes(text) {
 187         var re = new RegExp("'","g");
 188         text = text.replace(re,"\\'");
 189         re = new RegExp("\\n","g");
 190         text = text.replace(re,"\\n");
 191         return escapeQuotesHTML(text);
 192 }
 193
 194 function escapeQuotesHTML(text) {
 195         var re = new RegExp('&',"g");
 196         text = text.replace(re,"&amp;");
 197         re = new RegExp('"',"g");
 198         text = text.replace(re,"&quot;");
 199         re = new RegExp('<',"g");
 200         text = text.replace(re,"&lt;");
 201         re = new RegExp('>',"g");
 202         text = text.replace(re,"&gt;");
 203         return text;
 204 }
 205
 206
 207 /**
 208  * Set the accesskey prefix based on browser detection.
 209  */
 210 var tooltipAccessKeyPrefix = 'alt-';
 211 if (is_opera) {
 212         tooltipAccessKeyPrefix = 'shift-esc-';
 213 } else if (!is_safari_win && is_safari && webkit_version > 526) {
 214         tooltipAccessKeyPrefix = 'ctrl-alt-';
 215 } else if (!is_safari_win && (is_safari
 216                 || clientPC.indexOf('mac') != -1
 217                 || clientPC.indexOf('konqueror') != -1 )) {
 218         tooltipAccessKeyPrefix = 'ctrl-';
 219 } else if (is_ff2) {
 220         tooltipAccessKeyPrefix = 'alt-shift-';
 221 }
 222 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 223
 224 /**
 225  * Add the appropriate prefix to the accesskey shown in the tooltip.
 226  * If the nodeList parameter is given, only those nodes are updated;
 227  * otherwise, all the nodes that will probably have accesskeys by
 228  * default are updated.
 229  *
 230  * @param Array nodeList -- list of elements to update
 231  */
 232 function updateTooltipAccessKeys( nodeList ) {
 233         if ( !nodeList ) {
 234                 // Rather than scan all links on the whole page, we can just scan these
 235                 // containers which contain the relevant links. This is really just an
 236                 // optimization technique.
 237                 var linkContainers = [
 238                         "column-one", // Monobook and Modern
 239                         "head", "panel", "p-logo" // Vector
 240                 ];
 241                 for ( var i in linkContainers ) {
 242                         var linkContainer = document.getElementById( linkContainers[i] );
 243                         if ( linkContainer ) {
 244                                 updateTooltipAccessKeys( linkContainer.getElementsByTagName("a") );
 245                         }
 246                 }
 247                 // these are rare enough that no such optimization is needed
 248                 updateTooltipAccessKeys( document.getElementsByTagName("input") );
 249                 updateTooltipAccessKeys( document.getElementsByTagName("label") );
 250                 return;
 251         }
 252
 253         for ( var i = 0; i < nodeList.length; i++ ) {
 254                 var element = nodeList[i];
 255                 var tip = element.getAttribute("title");
 256                 if ( tip && tooltipAccessKeyRegexp.exec(tip) ) {
 257                         tip = tip.replace(tooltipAccessKeyRegexp,
 258                                           "["+tooltipAccessKeyPrefix+"$5]");
 259                         element.setAttribute("title", tip );
 260                 }
 261         }
 262 }
 263
 264 /**
 265  * Add a link to one of the portlet menus on the page, including:
 266  *
 267  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 268  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 269  * p-navigation: Navigation
 270  * p-tb: Toolbox
 271  *
 272  * This function exists for the convenience of custom JS authors.  All
 273  * but the first three parameters are optional, though providing at
 274  * least an id and a tooltip is recommended.
 275  *
 276  * By default the new link will be added to the end of the list.  To
 277  * add the link before a given existing item, pass the DOM node of
 278  * that item (easily obtained with document.getElementById()) as the
 279  * nextnode parameter; to add the link _after_ an existing item, pass
 280  * the node's nextSibling instead.
 281  *
 282  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 283  * @param String href -- link URL
 284  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 285  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 286  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 287  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 288  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 289  *
 290  * @return Node -- the DOM node of the new item (an LI element) or null
 291  */
 292 function addPortletLink(portlet, href, text, id, tooltip, accesskey, nextnode) {
 293         var root = document.getElementById(portlet);
 294         if ( !root ) return null;
 295         var node = root.getElementsByTagName( "ul" )[0];
 296         if ( !node ) return null;
 297
 298         // unhide portlet if it was hidden before
 299         root.className = root.className.replace( /(^| )emptyPortlet( |$)/, "$2" );
 300
 301         var span = document.createElement( "span" );
 302         span.appendChild( document.createTextNode( text ) );
 303
 304         var link = document.createElement( "a" );
 305         link.appendChild( span );
 306         link.href = href;
 307
 308         var item = document.createElement( "li" );
 309         item.appendChild( link );
 310         if ( id ) item.id = id;
 311
 312         if ( accesskey ) {
 313                 link.setAttribute( "accesskey", accesskey );
 314                 tooltip += " ["+accesskey+"]";
 315         }
 316         if ( tooltip ) {
 317                 link.setAttribute( "title", tooltip );
 318         }
 319         if ( accesskey && tooltip ) {
 320                 updateTooltipAccessKeys( new Array( link ) );
 321         }
 322
 323         if ( nextnode && nextnode.parentNode == node )
 324                 node.insertBefore( item, nextnode );
 325         else
 326                 node.appendChild( item );  // IE compatibility (?)
 327
 328         return item;
 329 }
 330
 331 function getInnerText(el) {
 332         if (typeof el == "string") return el;
 333         if (typeof el == "undefined") { return el };
 334         if (el.textContent) return el.textContent; // not needed but it is faster
 335         if (el.innerText) return el.innerText;     // IE doesn't have textContent
 336         var str = "";
 337
 338         var cs = el.childNodes;
 339         var l = cs.length;
 340         for (var i = 0; i < l; i++) {
 341                 switch (cs[i].nodeType) {
 342                         case 1: //ELEMENT_NODE
 343                                 str += ts_getInnerText(cs[i]);
 344                                 break;
 345                         case 3: //TEXT_NODE
 346                                 str += cs[i].nodeValue;
 347                                 break;
 348                 }
 349         }
 350         return str;
 351 }
 352
 353 /* Dummy for deprecated function */
 354 function akeytt( doId ) {
 355 }
 356
 357 var checkboxes;
 358 var lastCheckbox;
 359
 360 function setupCheckboxShiftClick() {
 361         checkboxes = [];
 362         lastCheckbox = null;
 363         var inputs = document.getElementsByTagName('input');
 364         addCheckboxClickHandlers(inputs);
 365 }
 366
 367 function addCheckboxClickHandlers(inputs, start) {
 368         if ( !start) start = 0;
 369
 370         var finish = start + 250;
 371         if ( finish > inputs.length )
 372                 finish = inputs.length;
 373
 374         for ( var i = start; i < finish; i++ ) {
 375                 var cb = inputs[i];
 376                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
 377                         continue;
 378                 var end = checkboxes.length;
 379                 checkboxes[end] = cb;
 380                 cb.index = end;
 381                 cb.onclick = checkboxClickHandler;
 382         }
 383
 384         if ( finish < inputs.length ) {
 385                 setTimeout( function () {
 386                         addCheckboxClickHandlers(inputs, finish);
 387                 }, 200 );
 388         }
 389 }
 390
 391 function checkboxClickHandler(e) {
 392         if (typeof e == 'undefined') {
 393                 e = window.event;
 394         }
 395         if ( !e.shiftKey || lastCheckbox === null ) {
 396                 lastCheckbox = this.index;
 397                 return true;
 398         }
 399         var endState = this.checked;
 400         var start, finish;
 401         if ( this.index < lastCheckbox ) {
 402                 start = this.index + 1;
 403                 finish = lastCheckbox;
 404         } else {
 405                 start = lastCheckbox;
 406                 finish = this.index - 1;
 407         }
 408         for (var i = start; i <= finish; ++i ) {
 409                 checkboxes[i].checked = endState;
 410                 if( i > start && typeof checkboxes[i].onchange == 'function' )
 411                         checkboxes[i].onchange(); // fire triggers
 412         }
 413         lastCheckbox = this.index;
 414         return true;
 415 }
 416
 417
 418 /*
 419         Written by Jonathan Snook, http://www.snook.ca/jonathan
 420         Add-ons by Robert Nyman, http://www.robertnyman.com
 421         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 422         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 423 */
 424 function getElementsByClassName(oElm, strTagName, oClassNames){
 425         var arrReturnElements = new Array();
 426         if ( typeof( oElm.getElementsByClassName ) == "function" ) {
 427                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 428                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 429                 if ( strTagName == "*" )
 430                         return arrNativeReturn;
 431                 for ( var h=0; h < arrNativeReturn.length; h++ ) {
 432                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() )
 433                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 434                 }
 435                 return arrReturnElements;
 436         }
 437         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 438         var arrRegExpClassNames = new Array();
 439         if(typeof oClassNames == "object"){
 440                 for(var i=0; i<oClassNames.length; i++){
 441                         arrRegExpClassNames[arrRegExpClassNames.length] =
 442                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 443                 }
 444         }
 445         else{
 446                 arrRegExpClassNames[arrRegExpClassNames.length] =
 447                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 448         }
 449         var oElement;
 450         var bMatchesAll;
 451         for(var j=0; j<arrElements.length; j++){
 452                 oElement = arrElements[j];
 453                 bMatchesAll = true;
 454                 for(var k=0; k<arrRegExpClassNames.length; k++){
 455                         if(!arrRegExpClassNames[k].test(oElement.className)){
 456                                 bMatchesAll = false;
 457                                 break;
 458                         }
 459                 }
 460                 if(bMatchesAll){
 461                         arrReturnElements[arrReturnElements.length] = oElement;
 462                 }
 463         }
 464         return (arrReturnElements)
 465 }
 466
 467 function redirectToFragment(fragment) {
 468         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 469         if (match) {
 470                 var webKitVersion = parseInt(match[1]);
 471                 if (webKitVersion < 420) {
 472                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 473                         // Nightlies of 420+ are ok
 474                         return;
 475                 }
 476         }
 477         if (is_gecko) {
 478                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 479                 addOnloadHook(function () {
 480                         if (window.location.hash == "")
 481                                 window.location.hash = fragment;
 482                 });
 483         } else {
 484                 if (window.location.hash == "")
 485                         window.location.hash = fragment;
 486         }
 487 }
 488
 489 /*
 490  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 491  * de Valk:
 492  * http://www.joostdevalk.nl/code/sortable-table/
 493  * http://www.kryogenix.org/code/browser/sorttable/
 494  *
 495  * @todo don't break on colspans/rowspans (bug 8028)
 496  * @todo language-specific digit grouping/decimals (bug 8063)
 497  * @todo support all accepted date formats (bug 8226)
 498  */
 499
 500 var ts_image_path = stylepath+"/common/images/";
 501 var ts_image_up = "sort_up.gif";
 502 var ts_image_down = "sort_down.gif";
 503 var ts_image_none = "sort_none.gif";
 504 var ts_europeandate = wgContentLanguage != "en"; // The non-American-inclined can change to "true"
 505 var ts_alternate_row_colors = false;
 506 var ts_number_transform_table = null;
 507 var ts_number_regex = null;
 508
 509 function sortables_init() {
 510         var idnum = 0;
 511         // Find all tables with class sortable and make them sortable
 512         var tables = getElementsByClassName(document, "table", "sortable");
 513         for (var ti = 0; ti < tables.length ; ti++) {
 514                 if (!tables[ti].id) {
 515                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 516                         ++idnum;
 517                 }
 518                 ts_makeSortable(tables[ti]);
 519         }
 520 }
 521
 522 function ts_makeSortable(table) {
 523         var firstRow;
 524         if (table.rows && table.rows.length > 0) {
 525                 if (table.tHead && table.tHead.rows.length > 0) {
 526                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 527                 } else {
 528                         firstRow = table.rows[0];
 529                 }
 530         }
 531         if (!firstRow) return;
 532
 533         // We have a first row: assume it's the header, and make its contents clickable links
 534         for (var i = 0; i < firstRow.cells.length; i++) {
 535                 var cell = firstRow.cells[i];
 536                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 537                         cell.innerHTML += '<a href="#" class="sortheader" '
 538                                 + 'onclick="ts_resortTable(this);return false;">'
 539                                 + '<span class="sortarrow">'
 540                                 + '<img src="'
 541                                 + ts_image_path
 542                                 + ts_image_none
 543                                 + '" alt="&darr;"/></span></a>';
 544                 }
 545         }
 546         if (ts_alternate_row_colors) {
 547                 ts_alternate(table);
 548         }
 549 }
 550
 551 function ts_getInnerText(el) {
 552         return getInnerText( el );
 553 }
 554
 555 function ts_resortTable(lnk) {
 556         // get the span
 557         var span = lnk.getElementsByTagName('span')[0];
 558
 559         var td = lnk.parentNode;
 560         var tr = td.parentNode;
 561         var column = td.cellIndex;
 562
 563         var table = tr.parentNode;
 564         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table'))
 565                 table = table.parentNode;
 566         if (!table) return;
 567
 568         if (table.rows.length <= 1) return;
 569
 570         // Generate the number transform table if it's not done already
 571         if (ts_number_transform_table == null) {
 572                 ts_initTransformTable();
 573         }
 574
 575         // Work out a type for the column
 576         // Skip the first row if that's where the headings are
 577         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
 578
 579         var itm = "";
 580         for (var i = rowStart; i < table.rows.length; i++) {
 581                 if (table.rows[i].cells.length > column) {
 582                         itm = ts_getInnerText(table.rows[i].cells[column]);
 583                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
 584                         if (itm != "") break;
 585                 }
 586         }
 587
 588         // TODO: bug 8226, localised date formats
 589         var sortfn = ts_sort_generic;
 590         var preprocessor = ts_toLowerCase;
 591         if (/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test(itm)) {
 592                 preprocessor = ts_dateToSortKey;
 593         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test(itm)) {
 594                 preprocessor = ts_dateToSortKey;
 595         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d$/.test(itm)) {
 596                 preprocessor = ts_dateToSortKey;
 597         // pound dollar euro yen currency cents
 598         } else if (/(^[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test(itm)) {
 599                 preprocessor = ts_currencyToSortKey;
 600         } else if (ts_number_regex.test(itm)) {
 601                 preprocessor = ts_parseFloat;
 602         }
 603
 604         var reverse = (span.getAttribute("sortdir") == 'down');
 605
 606         var newRows = new Array();
 607         var staticRows = new Array();
 608         for (var j = rowStart; j < table.rows.length; j++) {
 609                 var row = table.rows[j];
 610                 if((" "+row.className+" ").indexOf(" unsortable ") < 0) {
 611                         var keyText = ts_getInnerText(row.cells[column]);
 612                         if(keyText == undefined) {
 613                                 keyText = "";
 614                         }
 615                         var oldIndex = (reverse ? -j : j);
 616                         var preprocessed = preprocessor( keyText.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "") );
 617
 618                         newRows[newRows.length] = new Array(row, preprocessed, oldIndex);
 619                 } else staticRows[staticRows.length] = new Array(row, false, j-rowStart);
 620         }
 621
 622         newRows.sort(sortfn);
 623
 624         var arrowHTML;
 625         if (reverse) {
 626                 arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
 627                 newRows.reverse();
 628                 span.setAttribute('sortdir','up');
 629         } else {
 630                 arrowHTML = '<img src="'+ ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 631                 span.setAttribute('sortdir','down');
 632         }
 633
 634         for (var i = 0; i < staticRows.length; i++) {
 635                 var row = staticRows[i];
 636                 newRows.splice(row[2], 0, row);
 637         }
 638
 639         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 640         // don't do sortbottom rows
 641         for (var i = 0; i < newRows.length; i++) {
 642                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") == -1)
 643                         table.tBodies[0].appendChild(newRows[i][0]);
 644         }
 645         // do sortbottom rows only
 646         for (var i = 0; i < newRows.length; i++) {
 647                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
 648                         table.tBodies[0].appendChild(newRows[i][0]);
 649         }
 650
 651         // Delete any other arrows there may be showing
 652         var spans = getElementsByClassName(tr, "span", "sortarrow");
 653         for (var i = 0; i < spans.length; i++) {
 654                 spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
 655         }
 656         span.innerHTML = arrowHTML;
 657
 658         if (ts_alternate_row_colors) {
 659                 ts_alternate(table);
 660         }
 661 }
 662
 663 function ts_initTransformTable() {
 664         if ( typeof wgSeparatorTransformTable == "undefined"
 665                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 666         {
 667                 digitClass = "[0-9,.]";
 668                 ts_number_transform_table = false;
 669         } else {
 670                 ts_number_transform_table = {};
 671                 // Unpack the transform table
 672                 // Separators
 673                 ascii = wgSeparatorTransformTable[0].split("\t");
 674                 localised = wgSeparatorTransformTable[1].split("\t");
 675                 for ( var i = 0; i < ascii.length; i++ ) {
 676                         ts_number_transform_table[localised[i]] = ascii[i];
 677                 }
 678                 // Digits
 679                 ascii = wgDigitTransformTable[0].split("\t");
 680                 localised = wgDigitTransformTable[1].split("\t");
 681                 for ( var i = 0; i < ascii.length; i++ ) {
 682                         ts_number_transform_table[localised[i]] = ascii[i];
 683                 }
 684
 685                 // Construct regex for number identification
 686                 digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 687                 maxDigitLength = 1;
 688                 for ( var digit in ts_number_transform_table ) {
 689                         // Escape regex metacharacters
 690                         digits.push(
 691                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 692                                         function( s ) { return '\\' + s; } )
 693                         );
 694                         if (digit.length > maxDigitLength) {
 695                                 maxDigitLength = digit.length;
 696                         }
 697                 }
 698                 if ( maxDigitLength > 1 ) {
 699                         digitClass = '[' + digits.join( '', digits ) + ']';
 700                 } else {
 701                         digitClass = '(' + digits.join( '|', digits ) + ')';
 702                 }
 703         }
 704
 705         // We allow a trailing percent sign, which we just strip.  This works fine
 706         // if percents and regular numbers aren't being mixed.
 707         ts_number_regex = new RegExp(
 708                 "^(" +
 709                         "[+-]?[0-9][0-9,]*(\\.[0-9,]*)?(E[+-]?[0-9][0-9,]*)?" + // Fortran-style scientific
 710                         "|" +
 711                         "[+-]?" + digitClass + "+%?" + // Generic localised
 712                 ")$", "i"
 713         );
 714 }
 715
 716 function ts_toLowerCase( s ) {
 717         return s.toLowerCase();
 718 }
 719
 720 function ts_dateToSortKey(date) {
 721         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 722         if (date.length == 11) {
 723                 switch (date.substr(3,3).toLowerCase()) {
 724                         case "jan": var month = "01"; break;
 725                         case "feb": var month = "02"; break;
 726                         case "mar": var month = "03"; break;
 727                         case "apr": var month = "04"; break;
 728                         case "may": var month = "05"; break;
 729                         case "jun": var month = "06"; break;
 730                         case "jul": var month = "07"; break;
 731                         case "aug": var month = "08"; break;
 732                         case "sep": var month = "09"; break;
 733                         case "oct": var month = "10"; break;
 734                         case "nov": var month = "11"; break;
 735                         case "dec": var month = "12"; break;
 736                         // default: var month = "00";
 737                 }
 738                 return date.substr(7,4)+month+date.substr(0,2);
 739         } else if (date.length == 10) {
 740                 if (ts_europeandate == false) {
 741                         return date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
 742                 } else {
 743                         return date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
 744                 }
 745         } else if (date.length == 8) {
 746                 yr = date.substr(6,2);
 747                 if (parseInt(yr) < 50) {
 748                         yr = '20'+yr;
 749                 } else {
 750                         yr = '19'+yr;
 751                 }
 752                 if (ts_europeandate == true) {
 753                         return yr+date.substr(3,2)+date.substr(0,2);
 754                 } else {
 755                         return yr+date.substr(0,2)+date.substr(3,2);
 756                 }
 757         }
 758         return "00000000";
 759 }
 760
 761 function ts_parseFloat( s ) {
 762         if ( !s ) {
 763                 return 0;
 764         }
 765         if (ts_number_transform_table != false) {
 766                 var newNum = '', c;
 767
 768                 for ( var p = 0; p < s.length; p++ ) {
 769                         c = s.charAt( p );
 770                         if (c in ts_number_transform_table) {
 771                                 newNum += ts_number_transform_table[c];
 772                         } else {
 773                                 newNum += c;
 774                         }
 775                 }
 776                 s = newNum;
 777         }
 778
 779         num = parseFloat(s.replace(/,/g, ""));
 780         return (isNaN(num) ? 0 : num);
 781 }
 782
 783 function ts_currencyToSortKey( s ) {
 784         return ts_parseFloat(s.replace(/[^0-9.,]/g,''));
 785 }
 786
 787 function ts_sort_generic(a, b) {
 788         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 789 }
 790
 791 function ts_alternate(table) {
 792         // Take object table and get all it's tbodies.
 793         var tableBodies = table.getElementsByTagName("tbody");
 794         // Loop through these tbodies
 795         for (var i = 0; i < tableBodies.length; i++) {
 796                 // Take the tbody, and get all it's rows
 797                 var tableRows = tableBodies[i].getElementsByTagName("tr");
 798                 // Loop through these rows
 799                 // Start at 1 because we want to leave the heading row untouched
 800                 for (var j = 0; j < tableRows.length; j++) {
 801                         // Check if j is even, and apply classes for both possible results
 802                         var oldClasses = tableRows[j].className.split(" ");
 803                         var newClassName = "";
 804                         for (var k = 0; k < oldClasses.length; k++) {
 805                                 if (oldClasses[k] != "" && oldClasses[k] != "even" && oldClasses[k] != "odd")
 806                                         newClassName += oldClasses[k] + " ";
 807                         }
 808                         tableRows[j].className = newClassName + (j % 2 == 0 ? "even" : "odd");
 809                 }
 810         }
 811 }
 812
 813 /*
 814  * End of table sorting code
 815  */
 816
 817
 818 /**
 819  * Add a cute little box at the top of the screen to inform the user of
 820  * something, replacing any preexisting message.
 821  *
 822  * @param String -or- Dom Object message HTML to be put inside the right div
 823  * @param String className   Used in adding a class; should be different for each
 824  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 825  * @return Boolean       True on success, false on failure
 826  */
 827 function jsMsg( message, className ) {
 828         if ( !document.getElementById ) {
 829                 return false;
 830         }
 831         // We special-case skin structures provided by the software.  Skins that
 832         // choose to abandon or significantly modify our formatting can just define
 833         // an mw-js-message div to start with.
 834         var messageDiv = document.getElementById( 'mw-js-message' );
 835         if ( !messageDiv ) {
 836                 messageDiv = document.createElement( 'div' );
 837                 if ( document.getElementById( 'column-content' )
 838                 && document.getElementById( 'content' ) ) {
 839                         // MonoBook, presumably
 840                         document.getElementById( 'content' ).insertBefore(
 841                                 messageDiv,
 842                                 document.getElementById( 'content' ).firstChild
 843                         );
 844                 } else if ( document.getElementById('content')
 845                 && document.getElementById( 'article' ) ) {
 846                         // Non-Monobook but still recognizable (old-style)
 847                         document.getElementById( 'article').insertBefore(
 848                                 messageDiv,
 849                                 document.getElementById( 'article' ).firstChild
 850                         );
 851                 } else {
 852                         return false;
 853                 }
 854         }
 855
 856         messageDiv.setAttribute( 'id', 'mw-js-message' );
 857         messageDiv.style.display = 'block';
 858         if( className ) {
 859                 messageDiv.setAttribute( 'class', 'mw-js-message-'+className );
 860         }
 861
 862         if (typeof message === 'object') {
 863                 while (messageDiv.hasChildNodes()) // Remove old content
 864                         messageDiv.removeChild(messageDiv.firstChild);
 865                 messageDiv.appendChild (message); // Append new content
 866         }
 867         else {
 868                 messageDiv.innerHTML = message;
 869         }
 870         return true;
 871 }
 872
 873 /**
 874  * Inject a cute little progress spinner after the specified element
 875  *
 876  * @param element Element to inject after
 877  * @param id Identifier string (for use with removeSpinner(), below)
 878  */
 879 function injectSpinner( element, id ) {
 880         var spinner = document.createElement( "img" );
 881         spinner.id = "mw-spinner-" + id;
 882         spinner.src = stylepath + "/common/images/spinner.gif";
 883         spinner.alt = spinner.title = "...";
 884         if( element.nextSibling ) {
 885                 element.parentNode.insertBefore( spinner, element.nextSibling );
 886         } else {
 887                 element.parentNode.appendChild( spinner );
 888         }
 889 }
 890
 891 /**
 892  * Remove a progress spinner added with injectSpinner()
 893  *
 894  * @param id Identifier string
 895  */
 896 function removeSpinner( id ) {
 897         var spinner = document.getElementById( "mw-spinner-" + id );
 898         if( spinner ) {
 899                 spinner.parentNode.removeChild( spinner );
 900         }
 901 }
 902
 903 function runOnloadHook() {
 904         // don't run anything below this for non-dom browsers
 905         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
 906                 return;
 907         }
 908
 909         // set this before running any hooks, since any errors below
 910         // might cause the function to terminate prematurely
 911         doneOnloadHook = true;
 912
 913         updateTooltipAccessKeys( null );
 914         setupCheckboxShiftClick();
 915         sortables_init();
 916
 917         // Run any added-on functions
 918         for (var i = 0; i < onloadFuncts.length; i++) {
 919                 onloadFuncts[i]();
 920         }
 921 }
 922
 923 /**
 924  * Add an event handler to an element
 925  *
 926  * @param Element element Element to add handler to
 927  * @param String attach Event to attach to
 928  * @param callable handler Event handler callback
 929  */
 930 function addHandler( element, attach, handler ) {
 931         if( window.addEventListener ) {
 932                 element.addEventListener( attach, handler, false );
 933         } else if( window.attachEvent ) {
 934                 element.attachEvent( 'on' + attach, handler );
 935         }
 936 }
 937
 938 /**
 939  * Add a click event handler to an element
 940  *
 941  * @param Element element Element to add handler to
 942  * @param callable handler Event handler callback
 943  */
 944 function addClickHandler( element, handler ) {
 945         addHandler( element, 'click', handler );
 946 }
 947
 948 /**
 949  * Removes an event handler from an element
 950  *
 951  * @param Element element Element to remove handler from
 952  * @param String remove Event to remove
 953  * @param callable handler Event handler callback to remove
 954  */
 955 function removeHandler( element, remove, handler ) {
 956         if( window.removeEventListener ) {
 957                 element.removeEventListener( remove, handler, false );
 958         } else if( window.detachEvent ) {
 959                 element.detachEvent( 'on' + remove, handler );
 960         }
 961 }
 962 //note: all skins should call runOnloadHook() at the end of html output,
 963 //      so the below should be redundant. It's there just in case.
 964 hookEvent("load", runOnloadHook);