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 var is_khtml = navigator.vendor == 'KDE' ||
  14         ( document.childNodes && !document.all && !navigator.taintEnabled );
  15 // For accesskeys; note that FF3+ is included here!
  16 var is_ff2 = /firefox\/[2-9]|minefield\/3/.test( clientPC );
  17 var is_ff2_ = /firefox\/2/.test( clientPC );
  18 // These aren't used here, but some custom scripts rely on them
  19 var is_ff2_win = is_ff2 && clientPC.indexOf('windows') != -1;
  20 var is_ff2_x11 = is_ff2 && clientPC.indexOf('x11') != -1;
  21 if (clientPC.indexOf('opera') != -1) {
  22         var is_opera = true;
  23         var is_opera_preseven = window.opera && !document.childNodes;
  24         var is_opera_seven = window.opera && document.childNodes;
  25         var is_opera_95 = /opera\/(9.[5-9]|[1-9][0-9])/.test( clientPC );
  26 }
  27
  28 // Global external objects used by this script.
  29 /*extern ta, stylepath, skin */
  30
  31 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  32 var doneOnloadHook;
  33
  34 if (!window.onloadFuncts) {
  35         var onloadFuncts = [];
  36 }
  37
  38 function addOnloadHook(hookFunct) {
  39         // Allows add-on scripts to add onload functions
  40         if(!doneOnloadHook) {
  41                 onloadFuncts[onloadFuncts.length] = hookFunct;
  42         } else {
  43                 hookFunct();  // bug in MSIE script loading
  44         }
  45 }
  46
  47 function hookEvent(hookName, hookFunct) {
  48         addHandler(window, hookName, hookFunct);
  49 }
  50
  51 function importScript(page) {
  52         // TODO: might want to introduce a utility function to match wfUrlencode() in PHP
  53         var uri = wgScript + '?title=' +
  54                 encodeURIComponent(page.replace(/ /g,'_')).replace(/%2F/ig,'/').replace(/%3A/ig,':') +
  55                 '&action=raw&ctype=text/javascript';
  56         return importScriptURI(uri);
  57 }
  58
  59 var loadedScripts = {}; // included-scripts tracker
  60 function importScriptURI(url) {
  61         if (loadedScripts[url]) {
  62                 return null;
  63         }
  64         loadedScripts[url] = true;
  65         var s = document.createElement('script');
  66         s.setAttribute('src',url);
  67         s.setAttribute('type','text/javascript');
  68         document.getElementsByTagName('head')[0].appendChild(s);
  69         return s;
  70 }
  71
  72 function importStylesheet(page) {
  73         return importStylesheetURI(wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent(page.replace(/ /g,'_')));
  74 }
  75
  76 function importStylesheetURI(url,media) {
  77         var l = document.createElement('link');
  78         l.type = 'text/css';
  79         l.rel = 'stylesheet';
  80         l.href = url;
  81         if(media) l.media = media
  82         document.getElementsByTagName('head')[0].appendChild(l);
  83         return l;
  84 }
  85
  86 function appendCSS(text) {
  87         var s = document.createElement('style');
  88         s.type = 'text/css';
  89         s.rel = 'stylesheet';
  90         if (s.styleSheet) s.styleSheet.cssText = text //IE
  91         else s.appendChild(document.createTextNode(text + '')) //Safari sometimes borks on null
  92         document.getElementsByTagName('head')[0].appendChild(s);
  93         return s;
  94 }
  95
  96 // special stylesheet links
  97 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
  98         if (is_opera_preseven) {
  99                 importStylesheetURI(stylepath+'/'+skin+'/Opera6Fixes.css');
 100         } else if (is_opera_seven && !is_opera_95) {
 101                 importStylesheetURI(stylepath+'/'+skin+'/Opera7Fixes.css');
 102         } else if (is_opera_95) {
 103                 importStylesheetURI(stylepath+'/'+skin+'/Opera9Fixes.css');
 104         } else if (is_khtml) {
 105                 importStylesheetURI(stylepath+'/'+skin+'/KHTMLFixes.css');
 106         } else if (is_ff2_) {
 107                 importStylesheetURI(stylepath+'/'+skin+'/FF2Fixes.css');
 108         }
 109 }
 110
 111 if (wgBreakFrames) {
 112         // Un-trap us from framesets
 113         if (window.top != window) {
 114                 window.top.location = window.location;
 115         }
 116 }
 117
 118 function showTocToggle() {
 119         if (document.createTextNode) {
 120                 // Uses DOM calls to avoid document.write + XHTML issues
 121
 122                 var linkHolder = document.getElementById('toctitle');
 123                 var existingLink = document.getElementById('togglelink');
 124                 if (!linkHolder || existingLink) {
 125                         // Don't add the toggle link twice
 126                         return;
 127                 }
 128
 129                 var outerSpan = document.createElement('span');
 130                 outerSpan.className = 'toctoggle';
 131
 132                 var toggleLink = document.createElement('a');
 133                 toggleLink.id = 'togglelink';
 134                 toggleLink.className = 'internal';
 135                 toggleLink.href = 'javascript:toggleToc()';
 136                 toggleLink.appendChild(document.createTextNode(tocHideText));
 137
 138                 outerSpan.appendChild(document.createTextNode('['));
 139                 outerSpan.appendChild(toggleLink);
 140                 outerSpan.appendChild(document.createTextNode(']'));
 141
 142                 linkHolder.appendChild(document.createTextNode(' '));
 143                 linkHolder.appendChild(outerSpan);
 144
 145                 var cookiePos = document.cookie.indexOf("hidetoc=");
 146                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
 147                         toggleToc();
 148                 }
 149         }
 150 }
 151
 152 function changeText(el, newText) {
 153         // Safari work around
 154         if (el.innerText) {
 155                 el.innerText = newText;
 156         } else if (el.firstChild && el.firstChild.nodeValue) {
 157                 el.firstChild.nodeValue = newText;
 158         }
 159 }
 160
 161 function toggleToc() {
 162         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 163         var toggleLink = document.getElementById('togglelink');
 164
 165         if (toc && toggleLink && toc.style.display == 'none') {
 166                 changeText(toggleLink, tocHideText);
 167                 toc.style.display = 'block';
 168                 document.cookie = "hidetoc=0";
 169         } else {
 170                 changeText(toggleLink, tocShowText);
 171                 toc.style.display = 'none';
 172                 document.cookie = "hidetoc=1";
 173         }
 174 }
 175
 176 var mwEditButtons = [];
 177 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 178
 179 function escapeQuotes(text) {
 180         var re = new RegExp("'","g");
 181         text = text.replace(re,"\\'");
 182         re = new RegExp("\\n","g");
 183         text = text.replace(re,"\\n");
 184         return escapeQuotesHTML(text);
 185 }
 186
 187 function escapeQuotesHTML(text) {
 188         var re = new RegExp('&',"g");
 189         text = text.replace(re,"&amp;");
 190         re = new RegExp('"',"g");
 191         text = text.replace(re,"&quot;");
 192         re = new RegExp('<',"g");
 193         text = text.replace(re,"&lt;");
 194         re = new RegExp('>',"g");
 195         text = text.replace(re,"&gt;");
 196         return text;
 197 }
 198
 199
 200 /**
 201  * Set the accesskey prefix based on browser detection.
 202  */
 203 var tooltipAccessKeyPrefix = 'alt-';
 204 if (is_opera) {
 205         tooltipAccessKeyPrefix = 'shift-esc-';
 206 } else if (!is_safari_win && is_safari && webkit_version > 526) {
 207         tooltipAccessKeyPrefix = 'ctrl-alt-';
 208 } else if (!is_safari_win && (is_safari
 209                 || clientPC.indexOf('mac') != -1
 210                 || clientPC.indexOf('konqueror') != -1 )) {
 211         tooltipAccessKeyPrefix = 'ctrl-';
 212 } else if (is_ff2) {
 213         tooltipAccessKeyPrefix = 'alt-shift-';
 214 }
 215 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 216
 217 /**
 218  * Add the appropriate prefix to the accesskey shown in the tooltip.
 219  * If the nodeList parameter is given, only those nodes are updated;
 220  * otherwise, all the nodes that will probably have accesskeys by
 221  * default are updated.
 222  *
 223  * @param Array nodeList -- list of elements to update
 224  */
 225 function updateTooltipAccessKeys( nodeList ) {
 226         if ( !nodeList ) {
 227                 // skins without a "column-one" element don't seem to have links with accesskeys either
 228                 var columnOne = document.getElementById("column-one");
 229                 if ( columnOne )
 230                         updateTooltipAccessKeys( columnOne.getElementsByTagName("a") );
 231                 // these are rare enough that no such optimization is needed
 232                 updateTooltipAccessKeys( document.getElementsByTagName("input") );
 233                 updateTooltipAccessKeys( document.getElementsByTagName("label") );
 234                 return;
 235         }
 236
 237         for ( var i = 0; i < nodeList.length; i++ ) {
 238                 var element = nodeList[i];
 239                 var tip = element.getAttribute("title");
 240                 if ( tip && tooltipAccessKeyRegexp.exec(tip) ) {
 241                         tip = tip.replace(tooltipAccessKeyRegexp,
 242                                           "["+tooltipAccessKeyPrefix+"$5]");
 243                         element.setAttribute("title", tip );
 244                 }
 245         }
 246 }
 247
 248 /**
 249  * Add a link to one of the portlet menus on the page, including:
 250  *
 251  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 252  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 253  * p-navigation: Navigation
 254  * p-tb: Toolbox
 255  *
 256  * This function exists for the convenience of custom JS authors.  All
 257  * but the first three parameters are optional, though providing at
 258  * least an id and a tooltip is recommended.
 259  *
 260  * By default the new link will be added to the end of the list.  To
 261  * add the link before a given existing item, pass the DOM node of
 262  * that item (easily obtained with document.getElementById()) as the
 263  * nextnode parameter; to add the link _after_ an existing item, pass
 264  * the node's nextSibling instead.
 265  *
 266  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 267  * @param String href -- link URL
 268  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 269  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 270  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 271  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 272  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 273  *
 274  * @return Node -- the DOM node of the new item (an LI element) or null
 275  */
 276 function addPortletLink(portlet, href, text, id, tooltip, accesskey, nextnode) {
 277         var node = document.getElementById(portlet);
 278         if ( !node ) return null;
 279         node = node.getElementsByTagName( "ul" )[0];
 280         if ( !node ) return null;
 281
 282         var link = document.createElement( "a" );
 283         link.appendChild( document.createTextNode( text ) );
 284         link.href = href;
 285
 286         var item = document.createElement( "li" );
 287         item.appendChild( link );
 288         if ( id ) item.id = id;
 289
 290         if ( accesskey ) {
 291                 link.setAttribute( "accesskey", accesskey );
 292                 tooltip += " ["+accesskey+"]";
 293         }
 294         if ( tooltip ) {
 295                 link.setAttribute( "title", tooltip );
 296         }
 297         if ( accesskey && tooltip ) {
 298                 updateTooltipAccessKeys( new Array( link ) );
 299         }
 300
 301         if ( nextnode && nextnode.parentNode == node )
 302                 node.insertBefore( item, nextnode );
 303         else
 304                 node.appendChild( item );  // IE compatibility (?)
 305
 306         return item;
 307 }
 308
 309 function getInnerText(el) {
 310         if (typeof el == "string") return el;
 311         if (typeof el == "undefined") { return el };
 312         if (el.textContent) return el.textContent; // not needed but it is faster
 313         if (el.innerText) return el.innerText;     // IE doesn't have textContent
 314         var str = "";
 315
 316         var cs = el.childNodes;
 317         var l = cs.length;
 318         for (var i = 0; i < l; i++) {
 319                 switch (cs[i].nodeType) {
 320                         case 1: //ELEMENT_NODE
 321                                 str += ts_getInnerText(cs[i]);
 322                                 break;
 323                         case 3: //TEXT_NODE
 324                                 str += cs[i].nodeValue;
 325                                 break;
 326                 }
 327         }
 328         return str;
 329 }
 330
 331
 332 /**
 333  * Set up accesskeys/tooltips from the deprecated ta array.  If doId
 334  * is specified, only set up for that id.  Note that this function is
 335  * deprecated and will not be supported indefinitely -- use
 336  * updateTooltipAccessKey() instead.
 337  *
 338  * @param mixed doId string or null
 339  */
 340 function akeytt( doId ) {
 341         // A lot of user scripts (and some of the code below) break if
 342         // ta isn't defined, so we make sure it is.  Explictly using
 343         // window.ta avoids a "ta is not defined" error.
 344         if (!window.ta) window.ta = new Array;
 345
 346         // Make a local, possibly restricted, copy to avoid clobbering
 347         // the original.
 348         var ta;
 349         if ( doId ) {
 350                 ta = [doId];
 351         } else {
 352                 ta = window.ta;
 353         }
 354
 355         // Now deal with evil deprecated ta
 356         var watchCheckboxExists = document.getElementById( 'wpWatchthis' ) ? true : false;
 357         for (var id in ta) {
 358                 var n = document.getElementById(id);
 359                 if (n) {
 360                         var a = null;
 361                         var ak = '';
 362                         // Are we putting accesskey in it
 363                         if (ta[id][0].length > 0) {
 364                                 // Is this object a object? If not assume it's the next child.
 365
 366                                 if (n.nodeName.toLowerCase() == "a") {
 367                                         a = n;
 368                                 } else {
 369                                         a = n.childNodes[0];
 370                                 }
 371                                 // Don't add an accesskey for the watch tab if the watch
 372                                 // checkbox is also available.
 373                                 if (a && ((id != 'ca-watch' && id != 'ca-unwatch') || !watchCheckboxExists)) {
 374                                         a.accessKey = ta[id][0];
 375                                         ak = ' ['+tooltipAccessKeyPrefix+ta[id][0]+']';
 376                                 }
 377                         } else {
 378                                 // We don't care what type the object is when assigning tooltip
 379                                 a = n;
 380                                 ak = '';
 381                         }
 382
 383                         if (a) {
 384                                 a.title = ta[id][1]+ak;
 385                         }
 386                 }
 387         }
 388 }
 389
 390 var checkboxes;
 391 var lastCheckbox;
 392
 393 function setupCheckboxShiftClick() {
 394         checkboxes = [];
 395         lastCheckbox = null;
 396         var inputs = document.getElementsByTagName('input');
 397         addCheckboxClickHandlers(inputs);
 398 }
 399
 400 function addCheckboxClickHandlers(inputs, start) {
 401         if ( !start) start = 0;
 402
 403         var finish = start + 250;
 404         if ( finish > inputs.length )
 405                 finish = inputs.length;
 406
 407         for ( var i = start; i < finish; i++ ) {
 408                 var cb = inputs[i];
 409                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
 410                         continue;
 411                 var end = checkboxes.length;
 412                 checkboxes[end] = cb;
 413                 cb.index = end;
 414                 cb.onclick = checkboxClickHandler;
 415         }
 416
 417         if ( finish < inputs.length ) {
 418                 setTimeout( function () {
 419                         addCheckboxClickHandlers(inputs, finish);
 420                 }, 200 );
 421         }
 422 }
 423
 424 function checkboxClickHandler(e) {
 425         if (typeof e == 'undefined') {
 426                 e = window.event;
 427         }
 428         if ( !e.shiftKey || lastCheckbox === null ) {
 429                 lastCheckbox = this.index;
 430                 return true;
 431         }
 432         var endState = this.checked;
 433         var start, finish;
 434         if ( this.index < lastCheckbox ) {
 435                 start = this.index + 1;
 436                 finish = lastCheckbox;
 437         } else {
 438                 start = lastCheckbox;
 439                 finish = this.index - 1;
 440         }
 441         for (var i = start; i <= finish; ++i ) {
 442                 checkboxes[i].checked = endState;
 443                 if( i > start && typeof checkboxes[i].onchange == 'function' )
 444                         checkboxes[i].onchange(); // fire triggers
 445         }
 446         lastCheckbox = this.index;
 447         return true;
 448 }
 449
 450 function toggle_element_activation(ida,idb) {
 451         if (!document.getElementById) {
 452                 return;
 453         }
 454         document.getElementById(ida).disabled=true;
 455         document.getElementById(idb).disabled=false;
 456 }
 457
 458 function toggle_element_check(ida,idb) {
 459         if (!document.getElementById) {
 460                 return;
 461         }
 462         document.getElementById(ida).checked=true;
 463         document.getElementById(idb).checked=false;
 464 }
 465
 466 /*
 467         Written by Jonathan Snook, http://www.snook.ca/jonathan
 468         Add-ons by Robert Nyman, http://www.robertnyman.com
 469         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 470         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 471 */
 472 function getElementsByClassName(oElm, strTagName, oClassNames){
 473         var arrReturnElements = new Array();
 474         if ( typeof( oElm.getElementsByClassName ) == "function" ) {
 475                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 476                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 477                 if ( strTagName == "*" )
 478                         return arrNativeReturn;
 479                 for ( var h=0; h < arrNativeReturn.length; h++ ) {
 480                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() )
 481                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 482                 }
 483                 return arrReturnElements;
 484         }
 485         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 486         var arrRegExpClassNames = new Array();
 487         if(typeof oClassNames == "object"){
 488                 for(var i=0; i<oClassNames.length; i++){
 489                         arrRegExpClassNames[arrRegExpClassNames.length] =
 490                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 491                 }
 492         }
 493         else{
 494                 arrRegExpClassNames[arrRegExpClassNames.length] =
 495                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 496         }
 497         var oElement;
 498         var bMatchesAll;
 499         for(var j=0; j<arrElements.length; j++){
 500                 oElement = arrElements[j];
 501                 bMatchesAll = true;
 502                 for(var k=0; k<arrRegExpClassNames.length; k++){
 503                         if(!arrRegExpClassNames[k].test(oElement.className)){
 504                                 bMatchesAll = false;
 505                                 break;
 506                         }
 507                 }
 508                 if(bMatchesAll){
 509                         arrReturnElements[arrReturnElements.length] = oElement;
 510                 }
 511         }
 512         return (arrReturnElements)
 513 }
 514
 515 function redirectToFragment(fragment) {
 516         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 517         if (match) {
 518                 var webKitVersion = parseInt(match[1]);
 519                 if (webKitVersion < 420) {
 520                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 521                         // Nightlies of 420+ are ok
 522                         return;
 523                 }
 524         }
 525         if (is_gecko) {
 526                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 527                 addOnloadHook(function () {
 528                         if (window.location.hash == "")
 529                                 window.location.hash = fragment;
 530                 });
 531         } else {
 532                 if (window.location.hash == "")
 533                         window.location.hash = fragment;
 534         }
 535 }
 536
 537 /*
 538  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 539  * de Valk:
 540  * http://www.joostdevalk.nl/code/sortable-table/
 541  * http://www.kryogenix.org/code/browser/sorttable/
 542  *
 543  * @todo don't break on colspans/rowspans (bug 8028)
 544  * @todo language-specific digit grouping/decimals (bug 8063)
 545  * @todo support all accepted date formats (bug 8226)
 546  */
 547
 548 var ts_image_path = stylepath+"/common/images/";
 549 var ts_image_up = "sort_up.gif";
 550 var ts_image_down = "sort_down.gif";
 551 var ts_image_none = "sort_none.gif";
 552 var ts_europeandate = wgContentLanguage != "en"; // The non-American-inclined can change to "true"
 553 var ts_alternate_row_colors = false;
 554 var ts_number_transform_table = null;
 555 var ts_number_regex = null;
 556
 557 function sortables_init() {
 558         var idnum = 0;
 559         // Find all tables with class sortable and make them sortable
 560         var tables = getElementsByClassName(document, "table", "sortable");
 561         for (var ti = 0; ti < tables.length ; ti++) {
 562                 if (!tables[ti].id) {
 563                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 564                         ++idnum;
 565                 }
 566                 ts_makeSortable(tables[ti]);
 567         }
 568 }
 569
 570 function ts_makeSortable(table) {
 571         var firstRow;
 572         if (table.rows && table.rows.length > 0) {
 573                 if (table.tHead && table.tHead.rows.length > 0) {
 574                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 575                 } else {
 576                         firstRow = table.rows[0];
 577                 }
 578         }
 579         if (!firstRow) return;
 580
 581         // We have a first row: assume it's the header, and make its contents clickable links
 582         for (var i = 0; i < firstRow.cells.length; i++) {
 583                 var cell = firstRow.cells[i];
 584                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 585                         cell.innerHTML += '&nbsp;&nbsp;'
 586                                 + '<a href="#" class="sortheader" '
 587                                 + 'onclick="ts_resortTable(this);return false;">'
 588                                 + '<span class="sortarrow">'
 589                                 + '<img src="'
 590                                 + ts_image_path
 591                                 + ts_image_none
 592                                 + '" alt="&darr;"/></span></a>';
 593                 }
 594         }
 595         if (ts_alternate_row_colors) {
 596                 ts_alternate(table);
 597         }
 598 }
 599
 600 function ts_getInnerText(el) {
 601         return getInnerText( el );
 602 }
 603
 604 function ts_resortTable(lnk) {
 605         // get the span
 606         var span = lnk.getElementsByTagName('span')[0];
 607
 608         var td = lnk.parentNode;
 609         var tr = td.parentNode;
 610         var column = td.cellIndex;
 611
 612         var table = tr.parentNode;
 613         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table'))
 614                 table = table.parentNode;
 615         if (!table) return;
 616
 617         if (table.rows.length <= 1) return;
 618
 619         // Generate the number transform table if it's not done already
 620         if (ts_number_transform_table == null) {
 621                 ts_initTransformTable();
 622         }
 623
 624         // Work out a type for the column
 625         // Skip the first row if that's where the headings are
 626         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
 627
 628         var itm = "";
 629         for (var i = rowStart; i < table.rows.length; i++) {
 630                 if (table.rows[i].cells.length > column) {
 631                         itm = ts_getInnerText(table.rows[i].cells[column]);
 632                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
 633                         if (itm != "") break;
 634                 }
 635         }
 636
 637         // TODO: bug 8226, localised date formats
 638         var sortfn = ts_sort_generic;
 639         var preprocessor = ts_toLowerCase;
 640         if (/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test(itm)) {
 641                 preprocessor = ts_dateToSortKey;
 642         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test(itm)) {
 643                 preprocessor = ts_dateToSortKey;
 644         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d$/.test(itm)) {
 645                 preprocessor = ts_dateToSortKey;
 646         // pound dollar euro yen currency cents
 647         } else if (/(^[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test(itm)) {
 648                 preprocessor = ts_currencyToSortKey;
 649         } else if (ts_number_regex.test(itm)) {
 650                 preprocessor = ts_parseFloat;
 651         }
 652
 653         var reverse = (span.getAttribute("sortdir") == 'down');
 654
 655         var newRows = new Array();
 656         var staticRows = new Array();
 657         for (var j = rowStart; j < table.rows.length; j++) {
 658                 var row = table.rows[j];
 659                 if((" "+row.className+" ").indexOf(" unsortable ") < 0) {
 660                         var keyText = ts_getInnerText(row.cells[column]);
 661                         var oldIndex = (reverse ? -j : j);
 662                         var preprocessed = preprocessor( keyText );
 663
 664                         newRows[newRows.length] = new Array(row, preprocessed, oldIndex);
 665                 } else staticRows[staticRows.length] = new Array(row, false, j-rowStart);
 666         }
 667
 668         newRows.sort(sortfn);
 669
 670         var arrowHTML;
 671         if (reverse) {
 672                 arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
 673                 newRows.reverse();
 674                 span.setAttribute('sortdir','up');
 675         } else {
 676                 arrowHTML = '<img src="'+ ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 677                 span.setAttribute('sortdir','down');
 678         }
 679
 680         for (var i = 0; i < staticRows.length; i++) {
 681                 var row = staticRows[i];
 682                 newRows.splice(row[2], 0, row);
 683         }
 684
 685         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 686         // don't do sortbottom rows
 687         for (var i = 0; i < newRows.length; i++) {
 688                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") == -1)
 689                         table.tBodies[0].appendChild(newRows[i][0]);
 690         }
 691         // do sortbottom rows only
 692         for (var i = 0; i < newRows.length; i++) {
 693                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
 694                         table.tBodies[0].appendChild(newRows[i][0]);
 695         }
 696
 697         // Delete any other arrows there may be showing
 698         var spans = getElementsByClassName(tr, "span", "sortarrow");
 699         for (var i = 0; i < spans.length; i++) {
 700                 spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
 701         }
 702         span.innerHTML = arrowHTML;
 703
 704         if (ts_alternate_row_colors) {
 705                 ts_alternate(table);
 706         }
 707 }
 708
 709 function ts_initTransformTable() {
 710         if ( typeof wgSeparatorTransformTable == "undefined"
 711                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 712         {
 713                 digitClass = "[0-9,.]";
 714                 ts_number_transform_table = false;
 715         } else {
 716                 ts_number_transform_table = {};
 717                 // Unpack the transform table
 718                 // Separators
 719                 ascii = wgSeparatorTransformTable[0].split("\t");
 720                 localised = wgSeparatorTransformTable[1].split("\t");
 721                 for ( var i = 0; i < ascii.length; i++ ) {
 722                         ts_number_transform_table[localised[i]] = ascii[i];
 723                 }
 724                 // Digits
 725                 ascii = wgDigitTransformTable[0].split("\t");
 726                 localised = wgDigitTransformTable[1].split("\t");
 727                 for ( var i = 0; i < ascii.length; i++ ) {
 728                         ts_number_transform_table[localised[i]] = ascii[i];
 729                 }
 730
 731                 // Construct regex for number identification
 732                 digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 733                 maxDigitLength = 1;
 734                 for ( var digit in ts_number_transform_table ) {
 735                         // Escape regex metacharacters
 736                         digits.push(
 737                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 738                                         function( s ) { return '\\' + s; } )
 739                         );
 740                         if (digit.length > maxDigitLength) {
 741                                 maxDigitLength = digit.length;
 742                         }
 743                 }
 744                 if ( maxDigitLength > 1 ) {
 745                         digitClass = '[' + digits.join( '', digits ) + ']';
 746                 } else {
 747                         digitClass = '(' + digits.join( '|', digits ) + ')';
 748                 }
 749         }
 750
 751         // We allow a trailing percent sign, which we just strip.  This works fine
 752         // if percents and regular numbers aren't being mixed.
 753         ts_number_regex = new RegExp(
 754                 "^(" +
 755                         "[+-]?[0-9][0-9,]*(\\.[0-9,]*)?(E[+-]?[0-9][0-9,]*)?" + // Fortran-style scientific
 756                         "|" +
 757                         "[+-]?" + digitClass + "+%?" + // Generic localised
 758                 ")$", "i"
 759         );
 760 }
 761
 762 function ts_toLowerCase( s ) {
 763         return s.toLowerCase();
 764 }
 765
 766 function ts_dateToSortKey(date) {
 767         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 768         if (date.length == 11) {
 769                 switch (date.substr(3,3).toLowerCase()) {
 770                         case "jan": var month = "01"; break;
 771                         case "feb": var month = "02"; break;
 772                         case "mar": var month = "03"; break;
 773                         case "apr": var month = "04"; break;
 774                         case "may": var month = "05"; break;
 775                         case "jun": var month = "06"; break;
 776                         case "jul": var month = "07"; break;
 777                         case "aug": var month = "08"; break;
 778                         case "sep": var month = "09"; break;
 779                         case "oct": var month = "10"; break;
 780                         case "nov": var month = "11"; break;
 781                         case "dec": var month = "12"; break;
 782                         // default: var month = "00";
 783                 }
 784                 return date.substr(7,4)+month+date.substr(0,2);
 785         } else if (date.length == 10) {
 786                 if (ts_europeandate == false) {
 787                         return date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
 788                 } else {
 789                         return date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
 790                 }
 791         } else if (date.length == 8) {
 792                 yr = date.substr(6,2);
 793                 if (parseInt(yr) < 50) {
 794                         yr = '20'+yr;
 795                 } else {
 796                         yr = '19'+yr;
 797                 }
 798                 if (ts_europeandate == true) {
 799                         return yr+date.substr(3,2)+date.substr(0,2);
 800                 } else {
 801                         return yr+date.substr(0,2)+date.substr(3,2);
 802                 }
 803         }
 804         return "00000000";
 805 }
 806
 807 function ts_parseFloat( s ) {
 808         if ( !s ) {
 809                 return 0;
 810         }
 811         if (ts_number_transform_table != false) {
 812                 var newNum = '', c;
 813
 814                 for ( var p = 0; p < s.length; p++ ) {
 815                         c = s.charAt( p );
 816                         if (c in ts_number_transform_table) {
 817                                 newNum += ts_number_transform_table[c];
 818                         } else {
 819                                 newNum += c;
 820                         }
 821                 }
 822                 s = newNum;
 823         }
 824
 825         num = parseFloat(s.replace(/,/g, ""));
 826         return (isNaN(num) ? 0 : num);
 827 }
 828
 829 function ts_currencyToSortKey( s ) {
 830         return ts_parseFloat(s.replace(/[^0-9.,]/g,''));
 831 }
 832
 833 function ts_sort_generic(a, b) {
 834         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 835 }
 836
 837 function ts_alternate(table) {
 838         // Take object table and get all it's tbodies.
 839         var tableBodies = table.getElementsByTagName("tbody");
 840         // Loop through these tbodies
 841         for (var i = 0; i < tableBodies.length; i++) {
 842                 // Take the tbody, and get all it's rows
 843                 var tableRows = tableBodies[i].getElementsByTagName("tr");
 844                 // Loop through these rows
 845                 // Start at 1 because we want to leave the heading row untouched
 846                 for (var j = 0; j < tableRows.length; j++) {
 847                         // Check if j is even, and apply classes for both possible results
 848                         var oldClasses = tableRows[j].className.split(" ");
 849                         var newClassName = "";
 850                         for (var k = 0; k < oldClasses.length; k++) {
 851                                 if (oldClasses[k] != "" && oldClasses[k] != "even" && oldClasses[k] != "odd")
 852                                         newClassName += oldClasses[k] + " ";
 853                         }
 854                         tableRows[j].className = newClassName + (j % 2 == 0 ? "even" : "odd");
 855                 }
 856         }
 857 }
 858
 859 /*
 860  * End of table sorting code
 861  */
 862
 863
 864 /**
 865  * Add a cute little box at the top of the screen to inform the user of
 866  * something, replacing any preexisting message.
 867  *
 868  * @param String -or- Dom Object message HTML to be put inside the right div
 869  * @param String className   Used in adding a class; should be different for each
 870  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 871  * @return Boolean       True on success, false on failure
 872  */
 873 function jsMsg( message, className ) {
 874         if ( !document.getElementById ) {
 875                 return false;
 876         }
 877         // We special-case skin structures provided by the software.  Skins that
 878         // choose to abandon or significantly modify our formatting can just define
 879         // an mw-js-message div to start with.
 880         var messageDiv = document.getElementById( 'mw-js-message' );
 881         if ( !messageDiv ) {
 882                 messageDiv = document.createElement( 'div' );
 883                 if ( document.getElementById( 'column-content' )
 884                 && document.getElementById( 'content' ) ) {
 885                         // MonoBook, presumably
 886                         document.getElementById( 'content' ).insertBefore(
 887                                 messageDiv,
 888                                 document.getElementById( 'content' ).firstChild
 889                         );
 890                 } else if ( document.getElementById('content')
 891                 && document.getElementById( 'article' ) ) {
 892                         // Non-Monobook but still recognizable (old-style)
 893                         document.getElementById( 'article').insertBefore(
 894                                 messageDiv,
 895                                 document.getElementById( 'article' ).firstChild
 896                         );
 897                 } else {
 898                         return false;
 899                 }
 900         }
 901
 902         messageDiv.setAttribute( 'id', 'mw-js-message' );
 903         messageDiv.style.display = 'block';
 904         if( className ) {
 905                 messageDiv.setAttribute( 'class', 'mw-js-message-'+className );
 906         }
 907
 908         if (typeof message === 'object') {
 909                 while (messageDiv.hasChildNodes()) // Remove old content
 910                         messageDiv.removeChild(messageDiv.firstChild);
 911                 messageDiv.appendChild (message); // Append new content
 912         }
 913         else {
 914                 messageDiv.innerHTML = message;
 915         }
 916         return true;
 917 }
 918
 919 /**
 920  * Inject a cute little progress spinner after the specified element
 921  *
 922  * @param element Element to inject after
 923  * @param id Identifier string (for use with removeSpinner(), below)
 924  */
 925 function injectSpinner( element, id ) {
 926         var spinner = document.createElement( "img" );
 927         spinner.id = "mw-spinner-" + id;
 928         spinner.src = stylepath + "/common/images/spinner.gif";
 929         spinner.alt = spinner.title = "...";
 930         if( element.nextSibling ) {
 931                 element.parentNode.insertBefore( spinner, element.nextSibling );
 932         } else {
 933                 element.parentNode.appendChild( spinner );
 934         }
 935 }
 936
 937 /**
 938  * Remove a progress spinner added with injectSpinner()
 939  *
 940  * @param id Identifier string
 941  */
 942 function removeSpinner( id ) {
 943         var spinner = document.getElementById( "mw-spinner-" + id );
 944         if( spinner ) {
 945                 spinner.parentNode.removeChild( spinner );
 946         }
 947 }
 948
 949 function runOnloadHook() {
 950         // don't run anything below this for non-dom browsers
 951         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
 952                 return;
 953         }
 954
 955         // set this before running any hooks, since any errors below
 956         // might cause the function to terminate prematurely
 957         doneOnloadHook = true;
 958
 959         updateTooltipAccessKeys( null );
 960         akeytt( null );
 961         setupCheckboxShiftClick();
 962         sortables_init();
 963
 964         // Run any added-on functions
 965         for (var i = 0; i < onloadFuncts.length; i++) {
 966                 onloadFuncts[i]();
 967         }
 968 }
 969
 970 /**
 971  * Add an event handler to an element
 972  *
 973  * @param Element element Element to add handler to
 974  * @param String attach Event to attach to
 975  * @param callable handler Event handler callback
 976  */
 977 function addHandler( element, attach, handler ) {
 978         if( window.addEventListener ) {
 979                 element.addEventListener( attach, handler, false );
 980         } else if( window.attachEvent ) {
 981                 element.attachEvent( 'on' + attach, handler );
 982         }
 983 }
 984
 985 /**
 986  * Add a click event handler to an element
 987  *
 988  * @param Element element Element to add handler to
 989  * @param callable handler Event handler callback
 990  */
 991 function addClickHandler( element, handler ) {
 992         addHandler( element, 'click', handler );
 993 }
 994
 995 /**
 996  * Removes an event handler from an element
 997  *
 998  * @param Element element Element to remove handler from
 999  * @param String remove Event to remove
1000  * @param callable handler Event handler callback to remove
1001  */
1002 function removeHandler( element, remove, handler ) {
1003         if( window.removeEventListener ) {
1004                 element.removeEventListener( remove, handler, false );
1005         } else if( window.detachEvent ) {
1006                 element.detachEvent( 'on' + remove, handler );
1007         }
1008 }
1009 //note: all skins should call runOnloadHook() at the end of html output,
1010 //      so the below should be redundant. It's there just in case.
1011 hookEvent("load", runOnloadHook);