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 function addOnloadHook(hookFunct) {
  40         // Allows add-on scripts to add onload functions
  41         if(!doneOnloadHook) {
  42                 onloadFuncts[onloadFuncts.length] = hookFunct;
  43         } else {
  44                 hookFunct();  // bug in MSIE script loading
  45         }
  46 }
  47
  48
  49 function hookEvent(hookName, hookFunct) {
  50         addHandler(window, hookName, hookFunct);
  51 }
  52
  53 function importScript(page) {
  54         // TODO: might want to introduce a utility function to match wfUrlencode() in PHP
  55         var uri = wgScript + '?title=' +
  56                 encodeURIComponent(page.replace(/ /g,'_')).replace(/%2F/ig,'/').replace(/%3A/ig,':') +
  57                 '&action=raw&ctype=text/javascript';
  58         return importScriptURI(uri);
  59 }
  60
  61 var loadedScripts = {}; // included-scripts tracker
  62 function importScriptURI(url) {
  63         if (loadedScripts[url]) {
  64                 return null;
  65         }
  66         loadedScripts[url] = true;
  67         var s = document.createElement('script');
  68         s.setAttribute('src', url);
  69         s.setAttribute('type', 'text/javascript');
  70         document.getElementsByTagName('head')[0].appendChild(s);
  71         return s;
  72 }
  73
  74 function importStylesheet(page) {
  75         return importStylesheetURI(wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent(page.replace(/ /g,'_')));
  76 }
  77
  78 function importStylesheetURI(url, media) {
  79         var l = document.createElement('link');
  80         l.type = 'text/css';
  81         l.rel = 'stylesheet';
  82         l.href = url;
  83         if( media ) {
  84                 l.media = media;
  85         }
  86         document.getElementsByTagName('head')[0].appendChild(l);
  87         return l;
  88 }
  89
  90 function appendCSS(text) {
  91         var s = document.createElement('style');
  92         s.type = 'text/css';
  93         s.rel = 'stylesheet';
  94         if ( s.styleSheet ) {
  95                 s.styleSheet.cssText = text; //IE
  96         } else {
  97                 s.appendChild(document.createTextNode(text + '')); //Safari sometimes borks on null
  98         }
  99         document.getElementsByTagName('head')[0].appendChild(s);
 100         return s;
 101 }
 102
 103 // special stylesheet links
 104 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
 105         // FIXME: This tries to load the stylesheets even for skins where they
 106         // don't exist, i.e., everything but Monobook.
 107         if (opera6_bugs) {
 108                 importStylesheetURI(stylepath+'/'+skin+'/Opera6Fixes.css');
 109         } else if (opera7_bugs) {
 110                 importStylesheetURI(stylepath+'/'+skin+'/Opera7Fixes.css');
 111         } else if (opera95_bugs) {
 112                 importStylesheetURI(stylepath+'/'+skin+'/Opera9Fixes.css');
 113         } else if (ff2_bugs) {
 114                 importStylesheetURI(stylepath+'/'+skin+'/FF2Fixes.css');
 115         }
 116 }
 117
 118
 119 if (wgBreakFrames) {
 120         // Un-trap us from framesets
 121         if (window.top != window) {
 122                 window.top.location = window.location;
 123         }
 124 }
 125
 126 function showTocToggle() {
 127         if (document.createTextNode) {
 128                 // Uses DOM calls to avoid document.write + XHTML issues
 129
 130                 var linkHolder = document.getElementById('toctitle');
 131                 var existingLink = document.getElementById('togglelink');
 132                 if (!linkHolder || existingLink) {
 133                         // Don't add the toggle link twice
 134                         return;
 135                 }
 136
 137                 var outerSpan = document.createElement('span');
 138                 outerSpan.className = 'toctoggle';
 139
 140                 var toggleLink = document.createElement('a');
 141                 toggleLink.id = 'togglelink';
 142                 toggleLink.className = 'internal';
 143                 toggleLink.href = 'javascript:toggleToc()';
 144                 toggleLink.appendChild(document.createTextNode(tocHideText));
 145
 146                 outerSpan.appendChild(document.createTextNode('['));
 147                 outerSpan.appendChild(toggleLink);
 148                 outerSpan.appendChild(document.createTextNode(']'));
 149
 150                 linkHolder.appendChild(document.createTextNode(' '));
 151                 linkHolder.appendChild(outerSpan);
 152
 153                 var cookiePos = document.cookie.indexOf("hidetoc=");
 154                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
 155                         toggleToc();
 156                 }
 157         }
 158 }
 159
 160 function changeText(el, newText) {
 161         // Safari work around
 162         if (el.innerText) {
 163                 el.innerText = newText;
 164         } else if (el.firstChild && el.firstChild.nodeValue) {
 165                 el.firstChild.nodeValue = newText;
 166         }
 167 }
 168
 169 function toggleToc() {
 170         var tocmain = document.getElementById('toc');
 171         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 172         var toggleLink = document.getElementById('togglelink');
 173
 174         if (toc && toggleLink && toc.style.display == 'none') {
 175                 changeText(toggleLink, tocHideText);
 176                 toc.style.display = 'block';
 177                 document.cookie = "hidetoc=0";
 178                 tocmain.className = 'toc';
 179         } else {
 180                 changeText(toggleLink, tocShowText);
 181                 toc.style.display = 'none';
 182                 document.cookie = "hidetoc=1";
 183                 tocmain.className = 'toc tochidden';
 184         }
 185 }
 186
 187 var mwEditButtons = [];
 188 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 189
 190 function escapeQuotes(text) {
 191         var re = new RegExp("'","g");
 192         text = text.replace(re,"\\'");
 193         re = new RegExp("\\n","g");
 194         text = text.replace(re,"\\n");
 195         return escapeQuotesHTML(text);
 196 }
 197
 198 function escapeQuotesHTML(text) {
 199         var re = new RegExp('&',"g");
 200         text = text.replace(re,"&amp;");
 201         re = new RegExp('"',"g");
 202         text = text.replace(re,"&quot;");
 203         re = new RegExp('<',"g");
 204         text = text.replace(re,"&lt;");
 205         re = new RegExp('>',"g");
 206         text = text.replace(re,"&gt;");
 207         return text;
 208 }
 209
 210
 211 /**
 212  * Set the accesskey prefix based on browser detection.
 213  */
 214 var tooltipAccessKeyPrefix = 'alt-';
 215 if (is_opera) {
 216         tooltipAccessKeyPrefix = 'shift-esc-';
 217 } else if (!is_safari_win && is_safari && webkit_version > 526) {
 218         tooltipAccessKeyPrefix = 'ctrl-alt-';
 219 } else if (!is_safari_win && (is_safari
 220                 || clientPC.indexOf('mac') != -1
 221                 || clientPC.indexOf('konqueror') != -1 )) {
 222         tooltipAccessKeyPrefix = 'ctrl-';
 223 } else if (is_ff2) {
 224         tooltipAccessKeyPrefix = 'alt-shift-';
 225 }
 226 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 227
 228 /**
 229  * Add the appropriate prefix to the accesskey shown in the tooltip.
 230  * If the nodeList parameter is given, only those nodes are updated;
 231  * otherwise, all the nodes that will probably have accesskeys by
 232  * default are updated.
 233  *
 234  * @param Array nodeList -- list of elements to update
 235  */
 236 function updateTooltipAccessKeys( nodeList ) {
 237         if ( !nodeList ) {
 238                 // Rather than scan all links on the whole page, we can just scan these
 239                 // containers which contain the relevant links. This is really just an
 240                 // optimization technique.
 241                 var linkContainers = [
 242                         "column-one", // Monobook and Modern
 243                         "head", "panel", "p-logo" // Vector
 244                 ];
 245                 for ( var i in linkContainers ) {
 246                         var linkContainer = document.getElementById( linkContainers[i] );
 247                         if ( linkContainer ) {
 248                                 updateTooltipAccessKeys( linkContainer.getElementsByTagName("a") );
 249                         }
 250                 }
 251                 // these are rare enough that no such optimization is needed
 252                 updateTooltipAccessKeys( document.getElementsByTagName("input") );
 253                 updateTooltipAccessKeys( document.getElementsByTagName("label") );
 254                 return;
 255         }
 256
 257         for ( var i = 0; i < nodeList.length; i++ ) {
 258                 var element = nodeList[i];
 259                 var tip = element.getAttribute("title");
 260                 if ( tip && tooltipAccessKeyRegexp.exec(tip) ) {
 261                         tip = tip.replace(tooltipAccessKeyRegexp,
 262                                           "["+tooltipAccessKeyPrefix+"$5]");
 263                         element.setAttribute("title", tip );
 264                 }
 265         }
 266 }
 267
 268 /**
 269  * Add a link to one of the portlet menus on the page, including:
 270  *
 271  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 272  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 273  * p-navigation: Navigation
 274  * p-tb: Toolbox
 275  *
 276  * This function exists for the convenience of custom JS authors.  All
 277  * but the first three parameters are optional, though providing at
 278  * least an id and a tooltip is recommended.
 279  *
 280  * By default the new link will be added to the end of the list.  To
 281  * add the link before a given existing item, pass the DOM node of
 282  * that item (easily obtained with document.getElementById()) as the
 283  * nextnode parameter; to add the link _after_ an existing item, pass
 284  * the node's nextSibling instead.
 285  *
 286  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 287  * @param String href -- link URL
 288  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 289  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 290  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 291  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 292  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 293  *
 294  * @return Node -- the DOM node of the new item (an LI element) or null
 295  */
 296 function addPortletLink(portlet, href, text, id, tooltip, accesskey, nextnode) {
 297         var root = document.getElementById(portlet);
 298         if ( !root ) {
 299                 return null;
 300         }
 301         var node = root.getElementsByTagName( 'ul' )[0];
 302         if ( !node ) {
 303                 return null;
 304         }
 305
 306         // unhide portlet if it was hidden before
 307         root.className = root.className.replace( /(^| )emptyPortlet( |$)/, "$2" );
 308
 309         var span = document.createElement( 'span' );
 310         span.appendChild( document.createTextNode( text ) );
 311
 312         var link = document.createElement( 'a' );
 313         link.appendChild( span );
 314         link.href = href;
 315
 316         var item = document.createElement( 'li' );
 317         item.appendChild( link );
 318         if ( id ) {
 319                 item.id = id;
 320         }
 321
 322         if ( accesskey ) {
 323                 link.setAttribute( 'accesskey', accesskey );
 324                 tooltip += ' [' + accesskey + ']';
 325         }
 326         if ( tooltip ) {
 327                 link.setAttribute( 'title', tooltip );
 328         }
 329         if ( accesskey && tooltip ) {
 330                 updateTooltipAccessKeys( new Array( link ) );
 331         }
 332
 333         if ( nextnode && nextnode.parentNode == node ) {
 334                 node.insertBefore( item, nextnode );
 335         } else {
 336                 node.appendChild( item );  // IE compatibility (?)
 337         }
 338
 339         return item;
 340 }
 341
 342 function getInnerText(el) {
 343         if ( typeof el == 'string' ) {
 344                 return el;
 345         }
 346         if ( typeof el == 'undefined' ) {
 347                 return el;
 348         }
 349         if ( el.textContent ) {
 350                 return el.textContent; // not needed but it is faster
 351         }
 352         if ( el.innerText ) {
 353                 return el.innerText; // IE doesn't have textContent
 354         }
 355         var str = '';
 356
 357         var cs = el.childNodes;
 358         var l = cs.length;
 359         for (var i = 0; i < l; i++) {
 360                 switch (cs[i].nodeType) {
 361                         case 1: // ELEMENT_NODE
 362                                 str += ts_getInnerText(cs[i]);
 363                                 break;
 364                         case 3: // TEXT_NODE
 365                                 str += cs[i].nodeValue;
 366                                 break;
 367                 }
 368         }
 369         return str;
 370 }
 371
 372 /* Dummy for deprecated function */
 373 function akeytt( doId ) {
 374 }
 375
 376 var checkboxes;
 377 var lastCheckbox;
 378
 379 function setupCheckboxShiftClick() {
 380         checkboxes = [];
 381         lastCheckbox = null;
 382         var inputs = document.getElementsByTagName('input');
 383         addCheckboxClickHandlers(inputs);
 384 }
 385
 386 function addCheckboxClickHandlers(inputs, start) {
 387         if ( !start ) {
 388                 start = 0;
 389         }
 390
 391         var finish = start + 250;
 392         if ( finish > inputs.length ) {
 393                 finish = inputs.length;
 394         }
 395
 396         for ( var i = start; i < finish; i++ ) {
 397                 var cb = inputs[i];
 398                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' ) {
 399                         continue;
 400                 }
 401                 var end = checkboxes.length;
 402                 checkboxes[end] = cb;
 403                 cb.index = end;
 404                 cb.onclick = checkboxClickHandler;
 405         }
 406
 407         if ( finish < inputs.length ) {
 408                 setTimeout( function () {
 409                         addCheckboxClickHandlers(inputs, finish);
 410                 }, 200 );
 411         }
 412 }
 413
 414 function checkboxClickHandler(e) {
 415         if (typeof e == 'undefined') {
 416                 e = window.event;
 417         }
 418         if ( !e.shiftKey || lastCheckbox === null ) {
 419                 lastCheckbox = this.index;
 420                 return true;
 421         }
 422         var endState = this.checked;
 423         var start, finish;
 424         if ( this.index < lastCheckbox ) {
 425                 start = this.index + 1;
 426                 finish = lastCheckbox;
 427         } else {
 428                 start = lastCheckbox;
 429                 finish = this.index - 1;
 430         }
 431         for (var i = start; i <= finish; ++i ) {
 432                 checkboxes[i].checked = endState;
 433                 if( i > start && typeof checkboxes[i].onchange == 'function' ) {
 434                         checkboxes[i].onchange(); // fire triggers
 435                 }
 436         }
 437         lastCheckbox = this.index;
 438         return true;
 439 }
 440
 441
 442 /*
 443         Written by Jonathan Snook, http://www.snook.ca/jonathan
 444         Add-ons by Robert Nyman, http://www.robertnyman.com
 445         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 446         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 447 */
 448 function getElementsByClassName(oElm, strTagName, oClassNames){
 449         var arrReturnElements = new Array();
 450         if ( typeof( oElm.getElementsByClassName ) == "function" ) {
 451                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 452                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 453                 if ( strTagName == "*" ) {
 454                         return arrNativeReturn;
 455                 }
 456                 for ( var h=0; h < arrNativeReturn.length; h++ ) {
 457                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() ) {
 458                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 459                         }
 460                 }
 461                 return arrReturnElements;
 462         }
 463         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 464         var arrRegExpClassNames = new Array();
 465         if(typeof oClassNames == "object"){
 466                 for(var i=0; i<oClassNames.length; i++){
 467                         arrRegExpClassNames[arrRegExpClassNames.length] =
 468                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 469                 }
 470         } else {
 471                 arrRegExpClassNames[arrRegExpClassNames.length] =
 472                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 473         }
 474         var oElement;
 475         var bMatchesAll;
 476         for(var j=0; j<arrElements.length; j++){
 477                 oElement = arrElements[j];
 478                 bMatchesAll = true;
 479                 for(var k=0; k<arrRegExpClassNames.length; k++){
 480                         if(!arrRegExpClassNames[k].test(oElement.className)){
 481                                 bMatchesAll = false;
 482                                 break;
 483                         }
 484                 }
 485                 if(bMatchesAll){
 486                         arrReturnElements[arrReturnElements.length] = oElement;
 487                 }
 488         }
 489         return (arrReturnElements);
 490 }
 491
 492 function redirectToFragment(fragment) {
 493         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 494         if (match) {
 495                 var webKitVersion = parseInt(match[1]);
 496                 if (webKitVersion < 420) {
 497                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 498                         // Nightlies of 420+ are ok
 499                         return;
 500                 }
 501         }
 502         if (is_gecko) {
 503                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 504                 addOnloadHook(function () {
 505                         if (window.location.hash == '') {
 506                                 window.location.hash = fragment;
 507                         }
 508                 });
 509         } else {
 510                 if (window.location.hash == '') {
 511                         window.location.hash = fragment;
 512                 }
 513         }
 514 }
 515
 516 /*
 517  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 518  * de Valk:
 519  * http://www.joostdevalk.nl/code/sortable-table/
 520  * http://www.kryogenix.org/code/browser/sorttable/
 521  *
 522  * @todo don't break on colspans/rowspans (bug 8028)
 523  * @todo language-specific digit grouping/decimals (bug 8063)
 524  * @todo support all accepted date formats (bug 8226)
 525  */
 526
 527 var ts_image_path = stylepath + '/common/images/';
 528 var ts_image_up = 'sort_up.gif';
 529 var ts_image_down = 'sort_down.gif';
 530 var ts_image_none = 'sort_none.gif';
 531 var ts_europeandate = wgContentLanguage != 'en'; // The non-American-inclined can change to "true"
 532 var ts_alternate_row_colors = false;
 533 var ts_number_transform_table = null;
 534 var ts_number_regex = null;
 535
 536 function sortables_init() {
 537         var idnum = 0;
 538         // Find all tables with class sortable and make them sortable
 539         var tables = getElementsByClassName(document, "table", "sortable");
 540         for (var ti = 0; ti < tables.length ; ti++) {
 541                 if (!tables[ti].id) {
 542                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 543                         ++idnum;
 544                 }
 545                 ts_makeSortable(tables[ti]);
 546         }
 547 }
 548
 549 function ts_makeSortable(table) {
 550         var firstRow;
 551         if (table.rows && table.rows.length > 0) {
 552                 if (table.tHead && table.tHead.rows.length > 0) {
 553                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 554                 } else {
 555                         firstRow = table.rows[0];
 556                 }
 557         }
 558         if ( !firstRow ) {
 559                 return;
 560         }
 561
 562         // We have a first row: assume it's the header, and make its contents clickable links
 563         for (var i = 0; i < firstRow.cells.length; i++) {
 564                 var cell = firstRow.cells[i];
 565                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 566                         cell.innerHTML += '<a href="#" class="sortheader" '
 567                                 + 'onclick="ts_resortTable(this);return false;">'
 568                                 + '<span class="sortarrow">'
 569                                 + '<img src="'
 570                                 + ts_image_path
 571                                 + ts_image_none
 572                                 + '" alt="&darr;"/></span></a>';
 573                 }
 574         }
 575         if (ts_alternate_row_colors) {
 576                 ts_alternate(table);
 577         }
 578 }
 579
 580 function ts_getInnerText(el) {
 581         return getInnerText( el );
 582 }
 583
 584 function ts_resortTable(lnk) {
 585         // get the span
 586         var span = lnk.getElementsByTagName('span')[0];
 587
 588         var td = lnk.parentNode;
 589         var tr = td.parentNode;
 590         var column = td.cellIndex;
 591
 592         var table = tr.parentNode;
 593         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table')) {
 594                 table = table.parentNode;
 595         }
 596         if ( !table ) {
 597                 return;
 598         }
 599
 600         if ( table.rows.length <= 1 ) {
 601                 return;
 602         }
 603
 604         // Generate the number transform table if it's not done already
 605         if (ts_number_transform_table === null) {
 606                 ts_initTransformTable();
 607         }
 608
 609         // Work out a type for the column
 610         // Skip the first row if that's where the headings are
 611         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
 612
 613         var itm = '';
 614         for (var i = rowStart; i < table.rows.length; i++) {
 615                 if (table.rows[i].cells.length > column) {
 616                         itm = ts_getInnerText(table.rows[i].cells[column]);
 617                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
 618                         if ( itm != '' ) {
 619                                 break;
 620                         }
 621                 }
 622         }
 623
 624         // TODO: bug 8226, localised date formats
 625         var sortfn = ts_sort_generic;
 626         var preprocessor = ts_toLowerCase;
 627         if (/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test(itm)) {
 628                 preprocessor = ts_dateToSortKey;
 629         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test(itm)) {
 630                 preprocessor = ts_dateToSortKey;
 631         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d$/.test(itm)) {
 632                 preprocessor = ts_dateToSortKey;
 633                 // (minus sign)([pound dollar euro yen currency]|cents)
 634         } else if (/(^([-\u2212] *)?[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test(itm)) {
 635                 preprocessor = ts_currencyToSortKey;
 636         } else if (ts_number_regex.test(itm)) {
 637                 preprocessor = ts_parseFloat;
 638         }
 639
 640         var reverse = (span.getAttribute("sortdir") == 'down');
 641
 642         var newRows = new Array();
 643         var staticRows = new Array();
 644         for (var j = rowStart; j < table.rows.length; j++) {
 645                 var row = table.rows[j];
 646                 if((" "+row.className+" ").indexOf(" unsortable ") < 0) {
 647                         var keyText = ts_getInnerText(row.cells[column]);
 648                         if(keyText === undefined) {
 649                                 keyText = '';
 650                         }
 651                         var oldIndex = (reverse ? -j : j);
 652                         var preprocessed = preprocessor( keyText.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "") );
 653
 654                         newRows[newRows.length] = new Array(row, preprocessed, oldIndex);
 655                 } else {
 656                         staticRows[staticRows.length] = new Array(row, false, j-rowStart);
 657                 }
 658         }
 659
 660         newRows.sort(sortfn);
 661
 662         var arrowHTML;
 663         if (reverse) {
 664                 arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
 665                 newRows.reverse();
 666                 span.setAttribute('sortdir','up');
 667         } else {
 668                 arrowHTML = '<img src="'+ ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 669                 span.setAttribute('sortdir','down');
 670         }
 671
 672         for (var i = 0; i < staticRows.length; i++) {
 673                 var row = staticRows[i];
 674                 newRows.splice(row[2], 0, row);
 675         }
 676
 677         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 678         // don't do sortbottom rows
 679         for (var i = 0; i < newRows.length; i++) {
 680                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") == -1)
 681                         table.tBodies[0].appendChild(newRows[i][0]);
 682         }
 683         // do sortbottom rows only
 684         for (var i = 0; i < newRows.length; i++) {
 685                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
 686                         table.tBodies[0].appendChild(newRows[i][0]);
 687         }
 688
 689         // Delete any other arrows there may be showing
 690         var spans = getElementsByClassName(tr, "span", "sortarrow");
 691         for (var i = 0; i < spans.length; i++) {
 692                 spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
 693         }
 694         span.innerHTML = arrowHTML;
 695
 696         if (ts_alternate_row_colors) {
 697                 ts_alternate(table);
 698         }
 699 }
 700
 701 function ts_initTransformTable() {
 702         if ( typeof wgSeparatorTransformTable == "undefined"
 703                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 704         {
 705                 digitClass = "[0-9,.]";
 706                 ts_number_transform_table = false;
 707         } else {
 708                 ts_number_transform_table = {};
 709                 // Unpack the transform table
 710                 // Separators
 711                 ascii = wgSeparatorTransformTable[0].split("\t");
 712                 localised = wgSeparatorTransformTable[1].split("\t");
 713                 for ( var i = 0; i < ascii.length; i++ ) {
 714                         ts_number_transform_table[localised[i]] = ascii[i];
 715                 }
 716                 // Digits
 717                 ascii = wgDigitTransformTable[0].split("\t");
 718                 localised = wgDigitTransformTable[1].split("\t");
 719                 for ( var i = 0; i < ascii.length; i++ ) {
 720                         ts_number_transform_table[localised[i]] = ascii[i];
 721                 }
 722
 723                 // Construct regex for number identification
 724                 digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 725                 maxDigitLength = 1;
 726                 for ( var digit in ts_number_transform_table ) {
 727                         // Escape regex metacharacters
 728                         digits.push(
 729                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 730                                         function( s ) { return '\\' + s; } )
 731                         );
 732                         if (digit.length > maxDigitLength) {
 733                                 maxDigitLength = digit.length;
 734                         }
 735                 }
 736                 if ( maxDigitLength > 1 ) {
 737                         digitClass = '[' + digits.join( '', digits ) + ']';
 738                 } else {
 739                         digitClass = '(' + digits.join( '|', digits ) + ')';
 740                 }
 741         }
 742
 743         // We allow a trailing percent sign, which we just strip.  This works fine
 744         // if percents and regular numbers aren't being mixed.
 745         ts_number_regex = new RegExp(
 746                 "^(" +
 747                         "[-+\u2212]?[0-9][0-9,]*(\\.[0-9,]*)?(E[-+\u2212]?[0-9][0-9,]*)?" + // Fortran-style scientific
 748                         "|" +
 749                         "[-+\u2212]?" + digitClass + "+%?" + // Generic localised
 750                 ")$", "i"
 751         );
 752 }
 753
 754 function ts_toLowerCase( s ) {
 755         return s.toLowerCase();
 756 }
 757
 758 function ts_dateToSortKey(date) {
 759         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 760         if (date.length == 11) {
 761                 switch (date.substr(3,3).toLowerCase()) {
 762                         case "jan": var month = "01"; break;
 763                         case "feb": var month = "02"; break;
 764                         case "mar": var month = "03"; break;
 765                         case "apr": var month = "04"; break;
 766                         case "may": var month = "05"; break;
 767                         case "jun": var month = "06"; break;
 768                         case "jul": var month = "07"; break;
 769                         case "aug": var month = "08"; break;
 770                         case "sep": var month = "09"; break;
 771                         case "oct": var month = "10"; break;
 772                         case "nov": var month = "11"; break;
 773                         case "dec": var month = "12"; break;
 774                         // default: var month = "00";
 775                 }
 776                 return date.substr(7,4)+month+date.substr(0,2);
 777         } else if (date.length == 10) {
 778                 if (ts_europeandate == false) {
 779                         return date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
 780                 } else {
 781                         return date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
 782                 }
 783         } else if (date.length == 8) {
 784                 yr = date.substr(6,2);
 785                 if (parseInt(yr) < 50) {
 786                         yr = '20'+yr;
 787                 } else {
 788                         yr = '19'+yr;
 789                 }
 790                 if (ts_europeandate == true) {
 791                         return yr+date.substr(3,2)+date.substr(0,2);
 792                 } else {
 793                         return yr+date.substr(0,2)+date.substr(3,2);
 794                 }
 795         }
 796         return "00000000";
 797 }
 798
 799 function ts_parseFloat( s ) {
 800         if ( !s ) {
 801                 return 0;
 802         }
 803         if (ts_number_transform_table != false) {
 804                 var newNum = '', c;
 805
 806                 for ( var p = 0; p < s.length; p++ ) {
 807                         c = s.charAt( p );
 808                         if (c in ts_number_transform_table) {
 809                                 newNum += ts_number_transform_table[c];
 810                         } else {
 811                                 newNum += c;
 812                         }
 813                 }
 814                 s = newNum;
 815         }
 816         num = parseFloat(s.replace(/[, ]/g, "").replace("\u2212", "-"));
 817         return (isNaN(num) ? -Infinity : num);
 818 }
 819
 820 function ts_currencyToSortKey( s ) {
 821         return ts_parseFloat(s.replace(/[^-\u22120-9.,]/g,''));
 822 }
 823
 824 function ts_sort_generic(a, b) {
 825         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 826 }
 827
 828 function ts_alternate(table) {
 829         // Take object table and get all it's tbodies.
 830         var tableBodies = table.getElementsByTagName("tbody");
 831         // Loop through these tbodies
 832         for (var i = 0; i < tableBodies.length; i++) {
 833                 // Take the tbody, and get all it's rows
 834                 var tableRows = tableBodies[i].getElementsByTagName("tr");
 835                 // Loop through these rows
 836                 // Start at 1 because we want to leave the heading row untouched
 837                 for (var j = 0; j < tableRows.length; j++) {
 838                         // Check if j is even, and apply classes for both possible results
 839                         var oldClasses = tableRows[j].className.split(" ");
 840                         var newClassName = "";
 841                         for (var k = 0; k < oldClasses.length; k++) {
 842                                 if (oldClasses[k] != "" && oldClasses[k] != "even" && oldClasses[k] != "odd")
 843                                         newClassName += oldClasses[k] + " ";
 844                         }
 845                         tableRows[j].className = newClassName + (j % 2 == 0 ? "even" : "odd");
 846                 }
 847         }
 848 }
 849
 850 /*
 851  * End of table sorting code
 852  */
 853
 854
 855 /**
 856  * Add a cute little box at the top of the screen to inform the user of
 857  * something, replacing any preexisting message.
 858  *
 859  * @param String -or- Dom Object message HTML to be put inside the right div
 860  * @param String className   Used in adding a class; should be different for each
 861  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 862  * @return Boolean       True on success, false on failure
 863  */
 864 function jsMsg( message, className ) {
 865         if ( !document.getElementById ) {
 866                 return false;
 867         }
 868         // We special-case skin structures provided by the software.  Skins that
 869         // choose to abandon or significantly modify our formatting can just define
 870         // an mw-js-message div to start with.
 871         var messageDiv = document.getElementById( 'mw-js-message' );
 872         if ( !messageDiv ) {
 873                 messageDiv = document.createElement( 'div' );
 874                 if ( document.getElementById( 'column-content' )
 875                 && document.getElementById( 'content' ) ) {
 876                         // MonoBook, presumably
 877                         document.getElementById( 'content' ).insertBefore(
 878                                 messageDiv,
 879                                 document.getElementById( 'content' ).firstChild
 880                         );
 881                 } else if ( document.getElementById('content')
 882                 && document.getElementById( 'article' ) ) {
 883                         // Non-Monobook but still recognizable (old-style)
 884                         document.getElementById( 'article').insertBefore(
 885                                 messageDiv,
 886                                 document.getElementById( 'article' ).firstChild
 887                         );
 888                 } else {
 889                         return false;
 890                 }
 891         }
 892
 893         messageDiv.setAttribute( 'id', 'mw-js-message' );
 894         messageDiv.style.display = 'block';
 895         if( className ) {
 896                 messageDiv.setAttribute( 'class', 'mw-js-message-'+className );
 897         }
 898
 899         if (typeof message === 'object') {
 900                 while (messageDiv.hasChildNodes()) // Remove old content
 901                         messageDiv.removeChild(messageDiv.firstChild);
 902                 messageDiv.appendChild (message); // Append new content
 903         }
 904         else {
 905                 messageDiv.innerHTML = message;
 906         }
 907         return true;
 908 }
 909
 910 /**
 911  * Inject a cute little progress spinner after the specified element
 912  *
 913  * @param element Element to inject after
 914  * @param id Identifier string (for use with removeSpinner(), below)
 915  */
 916 function injectSpinner( element, id ) {
 917         var spinner = document.createElement( "img" );
 918         spinner.id = "mw-spinner-" + id;
 919         spinner.src = stylepath + "/common/images/spinner.gif";
 920         spinner.alt = spinner.title = "...";
 921         if( element.nextSibling ) {
 922                 element.parentNode.insertBefore( spinner, element.nextSibling );
 923         } else {
 924                 element.parentNode.appendChild( spinner );
 925         }
 926 }
 927
 928 /**
 929  * Remove a progress spinner added with injectSpinner()
 930  *
 931  * @param id Identifier string
 932  */
 933 function removeSpinner( id ) {
 934         var spinner = document.getElementById( "mw-spinner-" + id );
 935         if( spinner ) {
 936                 spinner.parentNode.removeChild( spinner );
 937         }
 938 }
 939
 940 function runOnloadHook() {
 941         // don't run anything below this for non-dom browsers
 942         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
 943                 return;
 944         }
 945
 946         // set this before running any hooks, since any errors below
 947         // might cause the function to terminate prematurely
 948         doneOnloadHook = true;
 949
 950         updateTooltipAccessKeys( null );
 951         setupCheckboxShiftClick();
 952         sortables_init();
 953
 954         // Run any added-on functions
 955         for (var i = 0; i < onloadFuncts.length; i++) {
 956                 onloadFuncts[i]();
 957         }
 958 }
 959
 960 /**
 961  * Add an event handler to an element
 962  *
 963  * @param Element element Element to add handler to
 964  * @param String attach Event to attach to
 965  * @param callable handler Event handler callback
 966  */
 967 function addHandler( element, attach, handler ) {
 968         if( window.addEventListener ) {
 969                 element.addEventListener( attach, handler, false );
 970         } else if( window.attachEvent ) {
 971                 element.attachEvent( 'on' + attach, handler );
 972         }
 973 }
 974
 975 /**
 976  * Add a click event handler to an element
 977  *
 978  * @param Element element Element to add handler to
 979  * @param callable handler Event handler callback
 980  */
 981 function addClickHandler( element, handler ) {
 982         addHandler( element, 'click', handler );
 983 }
 984
 985 /**
 986  * Removes an event handler from an element
 987  *
 988  * @param Element element Element to remove handler from
 989  * @param String remove Event to remove
 990  * @param callable handler Event handler callback to remove
 991  */
 992 function removeHandler( element, remove, handler ) {
 993         if( window.removeEventListener ) {
 994                 element.removeEventListener( remove, handler, false );
 995         } else if( window.detachEvent ) {
 996                 element.detachEvent( 'on' + remove, handler );
 997         }
 998 }
 999 //note: all skins should call runOnloadHook() at the end of html output,
1000 //      so the below should be redundant. It's there just in case.
1001 hookEvent("load", runOnloadHook);