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