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 // code that is dependent on js2 functions should use js2AddOnloadHook
  40 function addOnloadHook(hookFunct) {
  41         // Allows add-on scripts to add onload functions
  42         if(!doneOnloadHook) {
  43                 onloadFuncts[onloadFuncts.length] = hookFunct;
  44         } else {
  45                 hookFunct();  // bug in MSIE script loading
  46         }
  47 }
  48
  49
  50 function hookEvent(hookName, hookFunct) {
  51         addHandler(window, hookName, hookFunct);
  52 }
  53
  54 function importScript(page) {
  55         // TODO: might want to introduce a utility function to match wfUrlencode() in PHP
  56         var uri = wgScript + '?title=' +
  57                 encodeURIComponent(page.replace(/ /g,'_')).replace(/%2F/ig,'/').replace(/%3A/ig,':') +
  58                 '&action=raw&ctype=text/javascript';
  59         return importScriptURI(uri);
  60 }
  61
  62 var loadedScripts = {}; // included-scripts tracker
  63 function importScriptURI(url) {
  64         if (loadedScripts[url]) {
  65                 return null;
  66         }
  67         loadedScripts[url] = true;
  68         var s = document.createElement('script');
  69         s.setAttribute('src',url);
  70         s.setAttribute('type','text/javascript');
  71         document.getElementsByTagName('head')[0].appendChild(s);
  72         return s;
  73 }
  74
  75 function importStylesheet(page) {
  76         return importStylesheetURI(wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent(page.replace(/ /g,'_')));
  77 }
  78
  79 function importStylesheetURI(url,media) {
  80         var l = document.createElement('link');
  81         l.type = 'text/css';
  82         l.rel = 'stylesheet';
  83         l.href = url;
  84         if(media) l.media = media
  85         document.getElementsByTagName('head')[0].appendChild(l);
  86         return l;
  87 }
  88
  89 function appendCSS(text) {
  90         var s = document.createElement('style');
  91         s.type = 'text/css';
  92         s.rel = 'stylesheet';
  93         if (s.styleSheet) s.styleSheet.cssText = text //IE
  94         else s.appendChild(document.createTextNode(text + '')) //Safari sometimes borks on null
  95         document.getElementsByTagName('head')[0].appendChild(s);
  96         return s;
  97 }
  98
  99 // special stylesheet links
 100 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
 101         // FIXME: This tries to load the stylesheets even for skins where they
 102         // don't exist, i.e., everything but Monobook.
 103         if (opera6_bugs) {
 104                 importStylesheetURI(stylepath+'/'+skin+'/Opera6Fixes.css');
 105         } else if (opera7_bugs) {
 106                 importStylesheetURI(stylepath+'/'+skin+'/Opera7Fixes.css');
 107         } else if (opera95_bugs) {
 108                 importStylesheetURI(stylepath+'/'+skin+'/Opera9Fixes.css');
 109         } else if (ff2_bugs) {
 110                 importStylesheetURI(stylepath+'/'+skin+'/FF2Fixes.css');
 111         }
 112 }
 113
 114
 115 if (wgBreakFrames) {
 116         // Un-trap us from framesets
 117         if (window.top != window) {
 118                 window.top.location = window.location;
 119         }
 120 }
 121
 122 function showTocToggle() {
 123         if (document.createTextNode) {
 124                 // Uses DOM calls to avoid document.write + XHTML issues
 125
 126                 var linkHolder = document.getElementById('toctitle');
 127                 var existingLink = document.getElementById('togglelink');
 128                 if (!linkHolder || existingLink) {
 129                         // Don't add the toggle link twice
 130                         return;
 131                 }
 132
 133                 var outerSpan = document.createElement('span');
 134                 outerSpan.className = 'toctoggle';
 135
 136                 var toggleLink = document.createElement('a');
 137                 toggleLink.id = 'togglelink';
 138                 toggleLink.className = 'internal';
 139                 toggleLink.href = 'javascript:toggleToc()';
 140                 toggleLink.appendChild(document.createTextNode(tocHideText));
 141
 142                 outerSpan.appendChild(document.createTextNode('['));
 143                 outerSpan.appendChild(toggleLink);
 144                 outerSpan.appendChild(document.createTextNode(']'));
 145
 146                 linkHolder.appendChild(document.createTextNode(' '));
 147                 linkHolder.appendChild(outerSpan);
 148
 149                 var cookiePos = document.cookie.indexOf("hidetoc=");
 150                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
 151                         toggleToc();
 152                 }
 153         }
 154 }
 155
 156 function changeText(el, newText) {
 157         // Safari work around
 158         if (el.innerText) {
 159                 el.innerText = newText;
 160         } else if (el.firstChild && el.firstChild.nodeValue) {
 161                 el.firstChild.nodeValue = newText;
 162         }
 163 }
 164
 165 function toggleToc() {
 166         var tocmain = document.getElementById('toc');
 167         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 168         var toggleLink = document.getElementById('togglelink');
 169
 170         if (toc && toggleLink && toc.style.display == 'none') {
 171                 changeText(toggleLink, tocHideText);
 172                 toc.style.display = 'block';
 173                 document.cookie = "hidetoc=0";
 174                 tocmain.className = 'toc';
 175         } else {
 176                 changeText(toggleLink, tocShowText);
 177                 toc.style.display = 'none';
 178                 document.cookie = "hidetoc=1";
 179                 tocmain.className = 'toc tochidden';
 180         }
 181 }
 182
 183 var mwEditButtons = [];
 184 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 185
 186 function escapeQuotes(text) {
 187         var re = new RegExp("'","g");
 188         text = text.replace(re,"\\'");
 189         re = new RegExp("\\n","g");
 190         text = text.replace(re,"\\n");
 191         return escapeQuotesHTML(text);
 192 }
 193
 194 function escapeQuotesHTML(text) {
 195         var re = new RegExp('&',"g");
 196         text = text.replace(re,"&amp;");
 197         re = new RegExp('"',"g");
 198         text = text.replace(re,"&quot;");
 199         re = new RegExp('<',"g");
 200         text = text.replace(re,"&lt;");
 201         re = new RegExp('>',"g");
 202         text = text.replace(re,"&gt;");
 203         return text;
 204 }
 205
 206
 207 /**
 208  * Set the accesskey prefix based on browser detection.
 209  */
 210 var tooltipAccessKeyPrefix = 'alt-';
 211 if (is_opera) {
 212         tooltipAccessKeyPrefix = 'shift-esc-';
 213 } else if (!is_safari_win && is_safari && webkit_version > 526) {
 214         tooltipAccessKeyPrefix = 'ctrl-alt-';
 215 } else if (!is_safari_win && (is_safari
 216                 || clientPC.indexOf('mac') != -1
 217                 || clientPC.indexOf('konqueror') != -1 )) {
 218         tooltipAccessKeyPrefix = 'ctrl-';
 219 } else if (is_ff2) {
 220         tooltipAccessKeyPrefix = 'alt-shift-';
 221 }
 222 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 223
 224 /**
 225  * Add the appropriate prefix to the accesskey shown in the tooltip.
 226  * If the nodeList parameter is given, only those nodes are updated;
 227  * otherwise, all the nodes that will probably have accesskeys by
 228  * default are updated.
 229  *
 230  * @param Array nodeList -- list of elements to update
 231  */
 232 function updateTooltipAccessKeys( nodeList ) {
 233         if ( !nodeList ) {
 234                 // Rather than scan all links on the whole page, we can just scan these
 235                 // containers which contain the relevant links. This is really just an
 236                 // optimization technique.
 237                 var linkContainers = [
 238                         "column-one", // Monobook and Modern
 239                         "head", "panel", "p-logo" // Vector
 240                 ];
 241                 for ( var i in linkContainers ) {
 242                         var linkContainer = document.getElementById( linkContainers[i] );
 243                         if ( linkContainer ) {
 244                                 updateTooltipAccessKeys( linkContainer.getElementsByTagName("a") );
 245                         }
 246                 }
 247                 // these are rare enough that no such optimization is needed
 248                 updateTooltipAccessKeys( document.getElementsByTagName("input") );
 249                 updateTooltipAccessKeys( document.getElementsByTagName("label") );
 250                 return;
 251         }
 252
 253         for ( var i = 0; i < nodeList.length; i++ ) {
 254                 var element = nodeList[i];
 255                 var tip = element.getAttribute("title");
 256                 if ( tip && tooltipAccessKeyRegexp.exec(tip) ) {
 257                         tip = tip.replace(tooltipAccessKeyRegexp,
 258                                           "["+tooltipAccessKeyPrefix+"$5]");
 259                         element.setAttribute("title", tip );
 260                 }
 261         }
 262 }
 263
 264 /**
 265  * Add a link to one of the portlet menus on the page, including:
 266  *
 267  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 268  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 269  * p-navigation: Navigation
 270  * p-tb: Toolbox
 271  *
 272  * This function exists for the convenience of custom JS authors.  All
 273  * but the first three parameters are optional, though providing at
 274  * least an id and a tooltip is recommended.
 275  *
 276  * By default the new link will be added to the end of the list.  To
 277  * add the link before a given existing item, pass the DOM node of
 278  * that item (easily obtained with document.getElementById()) as the
 279  * nextnode parameter; to add the link _after_ an existing item, pass
 280  * the node's nextSibling instead.
 281  *
 282  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 283  * @param String href -- link URL
 284  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 285  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 286  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 287  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 288  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 289  *
 290  * @return Node -- the DOM node of the new item (an LI element) or null
 291  */
 292 function addPortletLink(portlet, href, text, id, tooltip, accesskey, nextnode) {
 293         var root = document.getElementById(portlet);
 294         if ( !root ) return null;
 295         var node = root.getElementsByTagName( "ul" )[0];
 296         if ( !node ) return null;
 297
 298         // unhide portlet if it was hidden before
 299         root.className = root.className.replace( /(^| )emptyPortlet( |$)/, "$2" );
 300
 301         var span = document.createElement( "span" );
 302         span.appendChild( document.createTextNode( text ) );
 303
 304         var link = document.createElement( "a" );
 305         link.appendChild( span );
 306         link.href = href;
 307
 308         var item = document.createElement( "li" );
 309         item.appendChild( link );
 310         if ( id ) item.id = id;
 311
 312         if ( accesskey ) {
 313                 link.setAttribute( "accesskey", accesskey );
 314                 tooltip += " ["+accesskey+"]";
 315         }
 316         if ( tooltip ) {
 317                 link.setAttribute( "title", tooltip );
 318         }
 319         if ( accesskey && tooltip ) {
 320                 updateTooltipAccessKeys( new Array( link ) );
 321         }
 322
 323         if ( nextnode && nextnode.parentNode == node )
 324                 node.insertBefore( item, nextnode );
 325         else
 326                 node.appendChild( item );  // IE compatibility (?)
 327
 328         return item;
 329 }
 330
 331 function getInnerText(el) {
 332         if (typeof el == "string") return el;
 333         if (typeof el == "undefined") { return el };
 334         if (el.textContent) return el.textContent; // not needed but it is faster
 335         if (el.innerText) return el.innerText;     // IE doesn't have textContent
 336         var str = "";
 337
 338         var cs = el.childNodes;
 339         var l = cs.length;
 340         for (var i = 0; i < l; i++) {
 341                 switch (cs[i].nodeType) {
 342                         case 1: //ELEMENT_NODE
 343                                 str += ts_getInnerText(cs[i]);
 344                                 break;
 345                         case 3: //TEXT_NODE
 346                                 str += cs[i].nodeValue;
 347                                 break;
 348                 }
 349         }
 350         return str;
 351 }
 352
 353
 354 /**
 355  * Set up accesskeys/tooltips from the deprecated ta array.  If doId
 356  * is specified, only set up for that id.  Note that this function is
 357  * deprecated and will not be supported indefinitely -- use
 358  * updateTooltipAccessKey() instead.
 359  *
 360  * @param mixed doId string or null
 361  */
 362 function akeytt( doId ) {
 363         // A lot of user scripts (and some of the code below) break if
 364         // ta isn't defined, so we make sure it is.  Explictly using
 365         // window.ta avoids a "ta is not defined" error.
 366         if (!window.ta) window.ta = new Array;
 367
 368         // Make a local, possibly restricted, copy to avoid clobbering
 369         // the original.
 370         var ta;
 371         if ( doId ) {
 372                 ta = [doId];
 373         } else {
 374                 ta = window.ta;
 375         }
 376
 377         // Now deal with evil deprecated ta
 378         var watchCheckboxExists = document.getElementById( 'wpWatchthis' ) ? true : false;
 379         for (var id in ta) {
 380                 var n = document.getElementById(id);
 381                 if (n) {
 382                         var a = null;
 383                         var ak = '';
 384                         // Are we putting accesskey in it
 385                         if (ta[id][0].length > 0) {
 386                                 // Is this object a object? If not assume it's the next child.
 387
 388                                 if (n.nodeName.toLowerCase() == "a") {
 389                                         a = n;
 390                                 } else {
 391                                         a = n.childNodes[0];
 392                                 }
 393                                 // Don't add an accesskey for the watch tab if the watch
 394                                 // checkbox is also available.
 395                                 if (a && ((id != 'ca-watch' && id != 'ca-unwatch') || !watchCheckboxExists)) {
 396                                         a.accessKey = ta[id][0];
 397                                         ak = ' ['+tooltipAccessKeyPrefix+ta[id][0]+']';
 398                                 }
 399                         } else {
 400                                 // We don't care what type the object is when assigning tooltip
 401                                 a = n;
 402                                 ak = '';
 403                         }
 404
 405                         if (a) {
 406                                 a.title = ta[id][1]+ak;
 407                         }
 408                 }
 409         }
 410 }
 411
 412 var checkboxes;
 413 var lastCheckbox;
 414
 415 function setupCheckboxShiftClick() {
 416         checkboxes = [];
 417         lastCheckbox = null;
 418         var inputs = document.getElementsByTagName('input');
 419         addCheckboxClickHandlers(inputs);
 420 }
 421
 422 function addCheckboxClickHandlers(inputs, start) {
 423         if ( !start) start = 0;
 424
 425         var finish = start + 250;
 426         if ( finish > inputs.length )
 427                 finish = inputs.length;
 428
 429         for ( var i = start; i < finish; i++ ) {
 430                 var cb = inputs[i];
 431                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
 432                         continue;
 433                 var end = checkboxes.length;
 434                 checkboxes[end] = cb;
 435                 cb.index = end;
 436                 cb.onclick = checkboxClickHandler;
 437         }
 438
 439         if ( finish < inputs.length ) {
 440                 setTimeout( function () {
 441                         addCheckboxClickHandlers(inputs, finish);
 442                 }, 200 );
 443         }
 444 }
 445
 446 function checkboxClickHandler(e) {
 447         if (typeof e == 'undefined') {
 448                 e = window.event;
 449         }
 450         if ( !e.shiftKey || lastCheckbox === null ) {
 451                 lastCheckbox = this.index;
 452                 return true;
 453         }
 454         var endState = this.checked;
 455         var start, finish;
 456         if ( this.index < lastCheckbox ) {
 457                 start = this.index + 1;
 458                 finish = lastCheckbox;
 459         } else {
 460                 start = lastCheckbox;
 461                 finish = this.index - 1;
 462         }
 463         for (var i = start; i <= finish; ++i ) {
 464                 checkboxes[i].checked = endState;
 465                 if( i > start && typeof checkboxes[i].onchange == 'function' )
 466                         checkboxes[i].onchange(); // fire triggers
 467         }
 468         lastCheckbox = this.index;
 469         return true;
 470 }
 471
 472 function toggle_element_activation(ida,idb) {
 473         if ( !document.getElementById ) {
 474                 return;
 475         }
 476         // Show the appropriate upload size limit message
 477         if( idb == 'wpUploadFileURL' ) {
 478                 var e = document.getElementById( 'mw-upload-maxfilesize' );
 479                 if( e ) e.style.display = "none";
 480
 481                 var e = document.getElementById( 'mw-upload-maxfilesize-url' );
 482                 if( e ) e.style.display = "block";
 483         }
 484         if( idb == 'wpUploadFile' ) {
 485                 var e = document.getElementById( 'mw-upload-maxfilesize-url' );
 486                 if( e ) e.style.display =  "none";
 487
 488                 var e = document.getElementById( 'mw-upload-maxfilesize' );
 489                 if( e ) e.style.display =  "block";
 490         }
 491         document.getElementById( ida ).disabled = true;
 492         document.getElementById( idb ).disabled = false;
 493 }
 494
 495 function toggle_element_check(ida,idb) {
 496         if (!document.getElementById) {
 497                 return;
 498         }
 499         document.getElementById(ida).checked=true;
 500         document.getElementById(idb).checked=false;
 501 }
 502
 503 /*
 504         Written by Jonathan Snook, http://www.snook.ca/jonathan
 505         Add-ons by Robert Nyman, http://www.robertnyman.com
 506         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 507         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 508 */
 509 function getElementsByClassName(oElm, strTagName, oClassNames){
 510         var arrReturnElements = new Array();
 511         if ( typeof( oElm.getElementsByClassName ) == "function" ) {
 512                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 513                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 514                 if ( strTagName == "*" )
 515                         return arrNativeReturn;
 516                 for ( var h=0; h < arrNativeReturn.length; h++ ) {
 517                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() )
 518                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 519                 }
 520                 return arrReturnElements;
 521         }
 522         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 523         var arrRegExpClassNames = new Array();
 524         if(typeof oClassNames == "object"){
 525                 for(var i=0; i<oClassNames.length; i++){
 526                         arrRegExpClassNames[arrRegExpClassNames.length] =
 527                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 528                 }
 529         }
 530         else{
 531                 arrRegExpClassNames[arrRegExpClassNames.length] =
 532                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 533         }
 534         var oElement;
 535         var bMatchesAll;
 536         for(var j=0; j<arrElements.length; j++){
 537                 oElement = arrElements[j];
 538                 bMatchesAll = true;
 539                 for(var k=0; k<arrRegExpClassNames.length; k++){
 540                         if(!arrRegExpClassNames[k].test(oElement.className)){
 541                                 bMatchesAll = false;
 542                                 break;
 543                         }
 544                 }
 545                 if(bMatchesAll){
 546                         arrReturnElements[arrReturnElements.length] = oElement;
 547                 }
 548         }
 549         return (arrReturnElements)
 550 }
 551
 552 function redirectToFragment(fragment) {
 553         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 554         if (match) {
 555                 var webKitVersion = parseInt(match[1]);
 556                 if (webKitVersion < 420) {
 557                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 558                         // Nightlies of 420+ are ok
 559                         return;
 560                 }
 561         }
 562         if (is_gecko) {
 563                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 564                 addOnloadHook(function () {
 565                         if (window.location.hash == "")
 566                                 window.location.hash = fragment;
 567                 });
 568         } else {
 569                 if (window.location.hash == "")
 570                         window.location.hash = fragment;
 571         }
 572 }
 573
 574 /*
 575  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 576  * de Valk:
 577  * http://www.joostdevalk.nl/code/sortable-table/
 578  * http://www.kryogenix.org/code/browser/sorttable/
 579  *
 580  * @todo don't break on colspans/rowspans (bug 8028)
 581  * @todo language-specific digit grouping/decimals (bug 8063)
 582  * @todo support all accepted date formats (bug 8226)
 583  */
 584
 585 var ts_image_path = stylepath+"/common/images/";
 586 var ts_image_up = "sort_up.gif";
 587 var ts_image_down = "sort_down.gif";
 588 var ts_image_none = "sort_none.gif";
 589 var ts_europeandate = wgContentLanguage != "en"; // The non-American-inclined can change to "true"
 590 var ts_alternate_row_colors = false;
 591 var ts_number_transform_table = null;
 592 var ts_number_regex = null;
 593
 594 function sortables_init() {
 595         var idnum = 0;
 596         // Find all tables with class sortable and make them sortable
 597         var tables = getElementsByClassName(document, "table", "sortable");
 598         for (var ti = 0; ti < tables.length ; ti++) {
 599                 if (!tables[ti].id) {
 600                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 601                         ++idnum;
 602                 }
 603                 ts_makeSortable(tables[ti]);
 604         }
 605 }
 606
 607 function ts_makeSortable(table) {
 608         var firstRow;
 609         if (table.rows && table.rows.length > 0) {
 610                 if (table.tHead && table.tHead.rows.length > 0) {
 611                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 612                 } else {
 613                         firstRow = table.rows[0];
 614                 }
 615         }
 616         if (!firstRow) return;
 617
 618         // We have a first row: assume it's the header, and make its contents clickable links
 619         for (var i = 0; i < firstRow.cells.length; i++) {
 620                 var cell = firstRow.cells[i];
 621                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 622                         cell.innerHTML += '&nbsp;&nbsp;'
 623                                 + '<a href="#" class="sortheader" '
 624                                 + 'onclick="ts_resortTable(this);return false;">'
 625                                 + '<span class="sortarrow">'
 626                                 + '<img src="'
 627                                 + ts_image_path
 628                                 + ts_image_none
 629                                 + '" alt="&darr;"/></span></a>';
 630                 }
 631         }
 632         if (ts_alternate_row_colors) {
 633                 ts_alternate(table);
 634         }
 635 }
 636
 637 function ts_getInnerText(el) {
 638         return getInnerText( el );
 639 }
 640
 641 function ts_resortTable(lnk) {
 642         // get the span
 643         var span = lnk.getElementsByTagName('span')[0];
 644
 645         var td = lnk.parentNode;
 646         var tr = td.parentNode;
 647         var column = td.cellIndex;
 648
 649         var table = tr.parentNode;
 650         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table'))
 651                 table = table.parentNode;
 652         if (!table) return;
 653
 654         if (table.rows.length <= 1) return;
 655
 656         // Generate the number transform table if it's not done already
 657         if (ts_number_transform_table == null) {
 658                 ts_initTransformTable();
 659         }
 660
 661         // Work out a type for the column
 662         // Skip the first row if that's where the headings are
 663         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
 664
 665         var itm = "";
 666         for (var i = rowStart; i < table.rows.length; i++) {
 667                 if (table.rows[i].cells.length > column) {
 668                         itm = ts_getInnerText(table.rows[i].cells[column]);
 669                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
 670                         if (itm != "") break;
 671                 }
 672         }
 673
 674         // TODO: bug 8226, localised date formats
 675         var sortfn = ts_sort_generic;
 676         var preprocessor = ts_toLowerCase;
 677         if (/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test(itm)) {
 678                 preprocessor = ts_dateToSortKey;
 679         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test(itm)) {
 680                 preprocessor = ts_dateToSortKey;
 681         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d$/.test(itm)) {
 682                 preprocessor = ts_dateToSortKey;
 683         // pound dollar euro yen currency cents
 684         } else if (/(^[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test(itm)) {
 685                 preprocessor = ts_currencyToSortKey;
 686         } else if (ts_number_regex.test(itm)) {
 687                 preprocessor = ts_parseFloat;
 688         }
 689
 690         var reverse = (span.getAttribute("sortdir") == 'down');
 691
 692         var newRows = new Array();
 693         var staticRows = new Array();
 694         for (var j = rowStart; j < table.rows.length; j++) {
 695                 var row = table.rows[j];
 696                 if((" "+row.className+" ").indexOf(" unsortable ") < 0) {
 697                         var keyText = ts_getInnerText(row.cells[column]);
 698                         if(keyText == undefined) {
 699                                 keyText = "";
 700                         }
 701                         var oldIndex = (reverse ? -j : j);
 702                         var preprocessed = preprocessor( keyText.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "") );
 703
 704                         newRows[newRows.length] = new Array(row, preprocessed, oldIndex);
 705                 } else staticRows[staticRows.length] = new Array(row, false, j-rowStart);
 706         }
 707
 708         newRows.sort(sortfn);
 709
 710         var arrowHTML;
 711         if (reverse) {
 712                 arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
 713                 newRows.reverse();
 714                 span.setAttribute('sortdir','up');
 715         } else {
 716                 arrowHTML = '<img src="'+ ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 717                 span.setAttribute('sortdir','down');
 718         }
 719
 720         for (var i = 0; i < staticRows.length; i++) {
 721                 var row = staticRows[i];
 722                 newRows.splice(row[2], 0, row);
 723         }
 724
 725         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 726         // don't do sortbottom rows
 727         for (var i = 0; i < newRows.length; i++) {
 728                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") == -1)
 729                         table.tBodies[0].appendChild(newRows[i][0]);
 730         }
 731         // do sortbottom rows only
 732         for (var i = 0; i < newRows.length; i++) {
 733                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
 734                         table.tBodies[0].appendChild(newRows[i][0]);
 735         }
 736
 737         // Delete any other arrows there may be showing
 738         var spans = getElementsByClassName(tr, "span", "sortarrow");
 739         for (var i = 0; i < spans.length; i++) {
 740                 spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
 741         }
 742         span.innerHTML = arrowHTML;
 743
 744         if (ts_alternate_row_colors) {
 745                 ts_alternate(table);
 746         }
 747 }
 748
 749 function ts_initTransformTable() {
 750         if ( typeof wgSeparatorTransformTable == "undefined"
 751                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 752         {
 753                 digitClass = "[0-9,.]";
 754                 ts_number_transform_table = false;
 755         } else {
 756                 ts_number_transform_table = {};
 757                 // Unpack the transform table
 758                 // Separators
 759                 ascii = wgSeparatorTransformTable[0].split("\t");
 760                 localised = wgSeparatorTransformTable[1].split("\t");
 761                 for ( var i = 0; i < ascii.length; i++ ) {
 762                         ts_number_transform_table[localised[i]] = ascii[i];
 763                 }
 764                 // Digits
 765                 ascii = wgDigitTransformTable[0].split("\t");
 766                 localised = wgDigitTransformTable[1].split("\t");
 767                 for ( var i = 0; i < ascii.length; i++ ) {
 768                         ts_number_transform_table[localised[i]] = ascii[i];
 769                 }
 770
 771                 // Construct regex for number identification
 772                 digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 773                 maxDigitLength = 1;
 774                 for ( var digit in ts_number_transform_table ) {
 775                         // Escape regex metacharacters
 776                         digits.push(
 777                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 778                                         function( s ) { return '\\' + s; } )
 779                         );
 780                         if (digit.length > maxDigitLength) {
 781                                 maxDigitLength = digit.length;
 782                         }
 783                 }
 784                 if ( maxDigitLength > 1 ) {
 785                         digitClass = '[' + digits.join( '', digits ) + ']';
 786                 } else {
 787                         digitClass = '(' + digits.join( '|', digits ) + ')';
 788                 }
 789         }
 790
 791         // We allow a trailing percent sign, which we just strip.  This works fine
 792         // if percents and regular numbers aren't being mixed.
 793         ts_number_regex = new RegExp(
 794                 "^(" +
 795                         "[+-]?[0-9][0-9,]*(\\.[0-9,]*)?(E[+-]?[0-9][0-9,]*)?" + // Fortran-style scientific
 796                         "|" +
 797                         "[+-]?" + digitClass + "+%?" + // Generic localised
 798                 ")$", "i"
 799         );
 800 }
 801
 802 function ts_toLowerCase( s ) {
 803         return s.toLowerCase();
 804 }
 805
 806 function ts_dateToSortKey(date) {
 807         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 808         if (date.length == 11) {
 809                 switch (date.substr(3,3).toLowerCase()) {
 810                         case "jan": var month = "01"; break;
 811                         case "feb": var month = "02"; break;
 812                         case "mar": var month = "03"; break;
 813                         case "apr": var month = "04"; break;
 814                         case "may": var month = "05"; break;
 815                         case "jun": var month = "06"; break;
 816                         case "jul": var month = "07"; break;
 817                         case "aug": var month = "08"; break;
 818                         case "sep": var month = "09"; break;
 819                         case "oct": var month = "10"; break;
 820                         case "nov": var month = "11"; break;
 821                         case "dec": var month = "12"; break;
 822                         // default: var month = "00";
 823                 }
 824                 return date.substr(7,4)+month+date.substr(0,2);
 825         } else if (date.length == 10) {
 826                 if (ts_europeandate == false) {
 827                         return date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
 828                 } else {
 829                         return date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
 830                 }
 831         } else if (date.length == 8) {
 832                 yr = date.substr(6,2);
 833                 if (parseInt(yr) < 50) {
 834                         yr = '20'+yr;
 835                 } else {
 836                         yr = '19'+yr;
 837                 }
 838                 if (ts_europeandate == true) {
 839                         return yr+date.substr(3,2)+date.substr(0,2);
 840                 } else {
 841                         return yr+date.substr(0,2)+date.substr(3,2);
 842                 }
 843         }
 844         return "00000000";
 845 }
 846
 847 function ts_parseFloat( s ) {
 848         if ( !s ) {
 849                 return 0;
 850         }
 851         if (ts_number_transform_table != false) {
 852                 var newNum = '', c;
 853
 854                 for ( var p = 0; p < s.length; p++ ) {
 855                         c = s.charAt( p );
 856                         if (c in ts_number_transform_table) {
 857                                 newNum += ts_number_transform_table[c];
 858                         } else {
 859                                 newNum += c;
 860                         }
 861                 }
 862                 s = newNum;
 863         }
 864
 865         num = parseFloat(s.replace(/,/g, ""));
 866         return (isNaN(num) ? 0 : num);
 867 }
 868
 869 function ts_currencyToSortKey( s ) {
 870         return ts_parseFloat(s.replace(/[^0-9.,]/g,''));
 871 }
 872
 873 function ts_sort_generic(a, b) {
 874         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 875 }
 876
 877 function ts_alternate(table) {
 878         // Take object table and get all it's tbodies.
 879         var tableBodies = table.getElementsByTagName("tbody");
 880         // Loop through these tbodies
 881         for (var i = 0; i < tableBodies.length; i++) {
 882                 // Take the tbody, and get all it's rows
 883                 var tableRows = tableBodies[i].getElementsByTagName("tr");
 884                 // Loop through these rows
 885                 // Start at 1 because we want to leave the heading row untouched
 886                 for (var j = 0; j < tableRows.length; j++) {
 887                         // Check if j is even, and apply classes for both possible results
 888                         var oldClasses = tableRows[j].className.split(" ");
 889                         var newClassName = "";
 890                         for (var k = 0; k < oldClasses.length; k++) {
 891                                 if (oldClasses[k] != "" && oldClasses[k] != "even" && oldClasses[k] != "odd")
 892                                         newClassName += oldClasses[k] + " ";
 893                         }
 894                         tableRows[j].className = newClassName + (j % 2 == 0 ? "even" : "odd");
 895                 }
 896         }
 897 }
 898
 899 /*
 900  * End of table sorting code
 901  */
 902
 903
 904 /**
 905  * Add a cute little box at the top of the screen to inform the user of
 906  * something, replacing any preexisting message.
 907  *
 908  * @param String -or- Dom Object message HTML to be put inside the right div
 909  * @param String className   Used in adding a class; should be different for each
 910  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 911  * @return Boolean       True on success, false on failure
 912  */
 913 function jsMsg( message, className ) {
 914         if ( !document.getElementById ) {
 915                 return false;
 916         }
 917         // We special-case skin structures provided by the software.  Skins that
 918         // choose to abandon or significantly modify our formatting can just define
 919         // an mw-js-message div to start with.
 920         var messageDiv = document.getElementById( 'mw-js-message' );
 921         if ( !messageDiv ) {
 922                 messageDiv = document.createElement( 'div' );
 923                 if ( document.getElementById( 'column-content' )
 924                 && document.getElementById( 'content' ) ) {
 925                         // MonoBook, presumably
 926                         document.getElementById( 'content' ).insertBefore(
 927                                 messageDiv,
 928                                 document.getElementById( 'content' ).firstChild
 929                         );
 930                 } else if ( document.getElementById('content')
 931                 && document.getElementById( 'article' ) ) {
 932                         // Non-Monobook but still recognizable (old-style)
 933                         document.getElementById( 'article').insertBefore(
 934                                 messageDiv,
 935                                 document.getElementById( 'article' ).firstChild
 936                         );
 937                 } else {
 938                         return false;
 939                 }
 940         }
 941
 942         messageDiv.setAttribute( 'id', 'mw-js-message' );
 943         messageDiv.style.display = 'block';
 944         if( className ) {
 945                 messageDiv.setAttribute( 'class', 'mw-js-message-'+className );
 946         }
 947
 948         if (typeof message === 'object') {
 949                 while (messageDiv.hasChildNodes()) // Remove old content
 950                         messageDiv.removeChild(messageDiv.firstChild);
 951                 messageDiv.appendChild (message); // Append new content
 952         }
 953         else {
 954                 messageDiv.innerHTML = message;
 955         }
 956         return true;
 957 }
 958
 959 /**
 960  * Inject a cute little progress spinner after the specified element
 961  *
 962  * @param element Element to inject after
 963  * @param id Identifier string (for use with removeSpinner(), below)
 964  */
 965 function injectSpinner( element, id ) {
 966         var spinner = document.createElement( "img" );
 967         spinner.id = "mw-spinner-" + id;
 968         spinner.src = stylepath + "/common/images/spinner.gif";
 969         spinner.alt = spinner.title = "...";
 970         if( element.nextSibling ) {
 971                 element.parentNode.insertBefore( spinner, element.nextSibling );
 972         } else {
 973                 element.parentNode.appendChild( spinner );
 974         }
 975 }
 976
 977 /**
 978  * Remove a progress spinner added with injectSpinner()
 979  *
 980  * @param id Identifier string
 981  */
 982 function removeSpinner( id ) {
 983         var spinner = document.getElementById( "mw-spinner-" + id );
 984         if( spinner ) {
 985                 spinner.parentNode.removeChild( spinner );
 986         }
 987 }
 988
 989 function runOnloadHook() {
 990         // don't run anything below this for non-dom browsers
 991         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
 992                 return;
 993         }
 994
 995         // set this before running any hooks, since any errors below
 996         // might cause the function to terminate prematurely
 997         doneOnloadHook = true;
 998
 999         updateTooltipAccessKeys( null );
1000         akeytt( null );
1001         setupCheckboxShiftClick();
1002         sortables_init();
1003
1004         // Run any added-on functions
1005         for (var i = 0; i < onloadFuncts.length; i++) {
1006                 onloadFuncts[i]();
1007         }
1008 }
1009
1010 /**
1011  * Add an event handler to an element
1012  *
1013  * @param Element element Element to add handler to
1014  * @param String attach Event to attach to
1015  * @param callable handler Event handler callback
1016  */
1017 function addHandler( element, attach, handler ) {
1018         if( window.addEventListener ) {
1019                 element.addEventListener( attach, handler, false );
1020         } else if( window.attachEvent ) {
1021                 element.attachEvent( 'on' + attach, handler );
1022         }
1023 }
1024
1025 /**
1026  * Add a click event handler to an element
1027  *
1028  * @param Element element Element to add handler to
1029  * @param callable handler Event handler callback
1030  */
1031 function addClickHandler( element, handler ) {
1032         addHandler( element, 'click', handler );
1033 }
1034
1035 /**
1036  * Removes an event handler from an element
1037  *
1038  * @param Element element Element to remove handler from
1039  * @param String remove Event to remove
1040  * @param callable handler Event handler callback to remove
1041  */
1042 function removeHandler( element, remove, handler ) {
1043         if( window.removeEventListener ) {
1044                 element.removeEventListener( remove, handler, false );
1045         } else if( window.detachEvent ) {
1046                 element.detachEvent( 'on' + remove, handler );
1047         }
1048 }
1049 //note: all skins should call runOnloadHook() at the end of html output,
1050 //      so the below should be redundant. It's there just in case.
1051 hookEvent("load", runOnloadHook);