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