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