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