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 // Start at 4 to minimize the chance of breaking on IE10 :)
  29 var ie6_bugs = /msie [4-6]/.test( clientPC );
  30
  31 // Global external objects used by this script.
  32 /*extern ta, stylepath, skin */
  33
  34 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  35 var doneOnloadHook;
  36
  37 if (!window.onloadFuncts) {
  38         var onloadFuncts = [];
  39 }
  40
  41 function addOnloadHook( hookFunct ) {
  42         // Allows add-on scripts to add onload functions
  43         if( !doneOnloadHook ) {
  44                 onloadFuncts[onloadFuncts.length] = hookFunct;
  45         } else {
  46                 hookFunct();  // bug in MSIE script loading
  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 ) {
  85                 l.media = media;
  86         }
  87         document.getElementsByTagName('head')[0].appendChild( l );
  88         return l;
  89 }
  90
  91 function appendCSS( text ) {
  92         var s = document.createElement( 'style' );
  93         s.type = 'text/css';
  94         s.rel = 'stylesheet';
  95         if ( s.styleSheet ) {
  96                 s.styleSheet.cssText = text; // IE
  97         } else {
  98                 s.appendChild( document.createTextNode( text + '' ) ); // Safari sometimes borks on null
  99         }
 100         document.getElementsByTagName('head')[0].appendChild( s );
 101         return s;
 102 }
 103
 104 // Special stylesheet links for Monobook only (see bug 14717)
 105 if ( typeof stylepath != 'undefined' && skin == 'monobook' ) {
 106         if ( opera6_bugs ) {
 107                 importStylesheetURI( stylepath + '/' + skin + '/Opera6Fixes.css' );
 108         } else if ( opera7_bugs ) {
 109                 importStylesheetURI( stylepath + '/' + skin + '/Opera7Fixes.css' );
 110         } else if ( opera95_bugs ) {
 111                 importStylesheetURI( stylepath + '/' + skin + '/Opera9Fixes.css' );
 112         } else if ( ff2_bugs ) {
 113                 importStylesheetURI( stylepath + '/' + skin + '/FF2Fixes.css' );
 114         }
 115 }
 116
 117
 118 if ( wgBreakFrames ) {
 119         // Un-trap us from framesets
 120         if ( window.top != window ) {
 121                 window.top.location = window.location;
 122         }
 123 }
 124
 125 function showTocToggle() {
 126         if ( document.createTextNode ) {
 127                 // Uses DOM calls to avoid document.write + XHTML issues
 128
 129                 var linkHolder = document.getElementById( 'toctitle' );
 130                 var existingLink = document.getElementById( 'togglelink' );
 131                 if ( !linkHolder || existingLink ) {
 132                         // Don't add the toggle link twice
 133                         return;
 134                 }
 135
 136                 var outerSpan = document.createElement( 'span' );
 137                 outerSpan.className = 'toctoggle';
 138
 139                 var toggleLink = document.createElement( 'a' );
 140                 toggleLink.id = 'togglelink';
 141                 toggleLink.className = 'internal';
 142                 toggleLink.href = 'javascript:toggleToc()';
 143                 toggleLink.appendChild( document.createTextNode( tocHideText ) );
 144
 145                 outerSpan.appendChild( document.createTextNode( '[' ) );
 146                 outerSpan.appendChild( toggleLink );
 147                 outerSpan.appendChild( document.createTextNode( ']' ) );
 148
 149                 linkHolder.appendChild( document.createTextNode( ' ' ) );
 150                 linkHolder.appendChild( outerSpan );
 151
 152                 var cookiePos = document.cookie.indexOf( "hidetoc=" );
 153                 if ( cookiePos > -1 && document.cookie.charAt( cookiePos + 8 ) == 1 ) {
 154                         toggleToc();
 155                 }
 156         }
 157 }
 158
 159 function changeText( el, newText ) {
 160         // Safari work around
 161         if ( el.innerText ) {
 162                 el.innerText = newText;
 163         } else if ( el.firstChild && el.firstChild.nodeValue ) {
 164                 el.firstChild.nodeValue = newText;
 165         }
 166 }
 167
 168 function toggleToc() {
 169         var tocmain = document.getElementById( 'toc' );
 170         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 171         var toggleLink = document.getElementById( 'togglelink' );
 172
 173         if ( toc && toggleLink && toc.style.display == 'none' ) {
 174                 changeText( toggleLink, tocHideText );
 175                 toc.style.display = 'block';
 176                 document.cookie = "hidetoc=0";
 177                 tocmain.className = 'toc';
 178         } else {
 179                 changeText( toggleLink, tocShowText );
 180                 toc.style.display = 'none';
 181                 document.cookie = "hidetoc=1";
 182                 tocmain.className = 'toc tochidden';
 183         }
 184 }
 185
 186 var mwEditButtons = [];
 187 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 188
 189 function escapeQuotes( text ) {
 190         var re = new RegExp( "'", "g" );
 191         text = text.replace( re, "\\'" );
 192         re = new RegExp( "\\n", "g" );
 193         text = text.replace( re, "\\n" );
 194         return escapeQuotesHTML( text );
 195 }
 196
 197 function escapeQuotesHTML( text ) {
 198         var re = new RegExp( '&', "g" );
 199         text = text.replace( re, "&amp;" );
 200         re = new RegExp( '"', "g" );
 201         text = text.replace( re, "&quot;" );
 202         re = new RegExp( '<', "g" );
 203         text = text.replace( re, "&lt;" );
 204         re = new RegExp( '>', "g" );
 205         text = text.replace( re, "&gt;" );
 206         return text;
 207 }
 208
 209 /**
 210  * Set the accesskey prefix based on browser detection.
 211  */
 212 var tooltipAccessKeyPrefix = 'alt-';
 213 if ( is_opera ) {
 214         tooltipAccessKeyPrefix = 'shift-esc-';
 215 } else if ( !is_safari_win && is_safari && webkit_version > 526 ) {
 216         tooltipAccessKeyPrefix = 'ctrl-alt-';
 217 } else if ( !is_safari_win && ( is_safari
 218                 || clientPC.indexOf('mac') != -1
 219                 || clientPC.indexOf('konqueror') != -1 ) ) {
 220         tooltipAccessKeyPrefix = 'ctrl-';
 221 } else if ( is_ff2 ) {
 222         tooltipAccessKeyPrefix = 'alt-shift-';
 223 }
 224 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 225
 226 /**
 227  * Add the appropriate prefix to the accesskey shown in the tooltip.
 228  * If the nodeList parameter is given, only those nodes are updated;
 229  * otherwise, all the nodes that will probably have accesskeys by
 230  * default are updated.
 231  *
 232  * @param Array nodeList -- list of elements to update
 233  */
 234 function updateTooltipAccessKeys( nodeList ) {
 235         if ( !nodeList ) {
 236                 // Rather than scan all links on the whole page, we can just scan these
 237                 // containers which contain the relevant links. This is really just an
 238                 // optimization technique.
 239                 var linkContainers = [
 240                         'column-one', // Monobook and Modern
 241                         'head', 'panel', 'p-logo' // Vector
 242                 ];
 243                 for ( var i in linkContainers ) {
 244                         var linkContainer = document.getElementById( linkContainers[i] );
 245                         if ( linkContainer ) {
 246                                 updateTooltipAccessKeys( linkContainer.getElementsByTagName( 'a' ) );
 247                         }
 248                 }
 249                 // these are rare enough that no such optimization is needed
 250                 updateTooltipAccessKeys( document.getElementsByTagName( 'input' ) );
 251                 updateTooltipAccessKeys( document.getElementsByTagName( 'label' ) );
 252                 return;
 253         }
 254
 255         for ( var i = 0; i < nodeList.length; i++ ) {
 256                 var element = nodeList[i];
 257                 var tip = element.getAttribute( 'title' );
 258                 if ( tip && tooltipAccessKeyRegexp.exec( tip ) ) {
 259                         tip = tip.replace(tooltipAccessKeyRegexp,
 260                                           '[' + tooltipAccessKeyPrefix + "$5]");
 261                         element.setAttribute( 'title', tip );
 262                 }
 263         }
 264 }
 265
 266 /**
 267  * Add a link to one of the portlet menus on the page, including:
 268  *
 269  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 270  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 271  * p-navigation: Navigation
 272  * p-tb: Toolbox
 273  *
 274  * This function exists for the convenience of custom JS authors.  All
 275  * but the first three parameters are optional, though providing at
 276  * least an id and a tooltip is recommended.
 277  *
 278  * By default the new link will be added to the end of the list.  To
 279  * add the link before a given existing item, pass the DOM node of
 280  * that item (easily obtained with document.getElementById()) as the
 281  * nextnode parameter; to add the link _after_ an existing item, pass
 282  * the node's nextSibling instead.
 283  *
 284  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 285  * @param String href -- link URL
 286  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 287  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 288  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 289  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 290  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 291  *
 292  * @return Node -- the DOM node of the new item (an LI element) or null
 293  */
 294 function addPortletLink( portlet, href, text, id, tooltip, accesskey, nextnode ) {
 295         var root = document.getElementById( portlet );
 296         if ( !root ) {
 297                 return null;
 298         }
 299         var node = root.getElementsByTagName( 'ul' )[0];
 300         if ( !node ) {
 301                 return null;
 302         }
 303
 304         // unhide portlet if it was hidden before
 305         root.className = root.className.replace( /(^| )emptyPortlet( |$)/, "$2" );
 306
 307         var span = document.createElement( 'span' );
 308         span.appendChild( document.createTextNode( text ) );
 309
 310         var link = document.createElement( 'a' );
 311         link.appendChild( span );
 312         link.href = href;
 313
 314         var item = document.createElement( 'li' );
 315         item.appendChild( link );
 316         if ( id ) {
 317                 item.id = id;
 318         }
 319
 320         if ( accesskey ) {
 321                 link.setAttribute( 'accesskey', accesskey );
 322                 tooltip += ' [' + accesskey + ']';
 323         }
 324         if ( tooltip ) {
 325                 link.setAttribute( 'title', tooltip );
 326         }
 327         if ( accesskey && tooltip ) {
 328                 updateTooltipAccessKeys( new Array( link ) );
 329         }
 330
 331         if ( nextnode && nextnode.parentNode == node ) {
 332                 node.insertBefore( item, nextnode );
 333         } else {
 334                 node.appendChild( item );  // IE compatibility (?)
 335         }
 336
 337         return item;
 338 }
 339
 340 function getInnerText( el ) {
 341         if ( typeof el == 'string' ) {
 342                 return el;
 343         }
 344         if ( typeof el == 'undefined' ) {
 345                 return el;
 346         }
 347         if ( el.textContent ) {
 348                 return el.textContent; // not needed but it is faster
 349         }
 350         if ( el.innerText ) {
 351                 return el.innerText; // IE doesn't have textContent
 352         }
 353         var str = '';
 354
 355         var cs = el.childNodes;
 356         var l = cs.length;
 357         for ( var i = 0; i < l; i++ ) {
 358                 switch ( cs[i].nodeType ) {
 359                         case 1: // ELEMENT_NODE
 360                                 str += ts_getInnerText( cs[i] );
 361                                 break;
 362                         case 3: // TEXT_NODE
 363                                 str += cs[i].nodeValue;
 364                                 break;
 365                 }
 366         }
 367         return str;
 368 }
 369
 370 /* Dummy for deprecated function */
 371 function akeytt( doId ) {
 372 }
 373
 374 var checkboxes;
 375 var lastCheckbox;
 376
 377 function setupCheckboxShiftClick() {
 378         checkboxes = [];
 379         lastCheckbox = null;
 380         var inputs = document.getElementsByTagName( 'input' );
 381         addCheckboxClickHandlers( inputs );
 382 }
 383
 384 function addCheckboxClickHandlers( inputs, start ) {
 385         if ( !start ) {
 386                 start = 0;
 387         }
 388
 389         var finish = start + 250;
 390         if ( finish > inputs.length ) {
 391                 finish = inputs.length;
 392         }
 393
 394         for ( var i = start; i < finish; i++ ) {
 395                 var cb = inputs[i];
 396                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' ) {
 397                         continue;
 398                 }
 399                 var end = checkboxes.length;
 400                 checkboxes[end] = cb;
 401                 cb.index = end;
 402                 cb.onclick = checkboxClickHandler;
 403         }
 404
 405         if ( finish < inputs.length ) {
 406                 setTimeout( function() {
 407                         addCheckboxClickHandlers( inputs, finish );
 408                 }, 200 );
 409         }
 410 }
 411
 412 function checkboxClickHandler( e ) {
 413         if ( typeof e == 'undefined' ) {
 414                 e = window.event;
 415         }
 416         if ( !e.shiftKey || lastCheckbox === null ) {
 417                 lastCheckbox = this.index;
 418                 return true;
 419         }
 420         var endState = this.checked;
 421         var start, finish;
 422         if ( this.index < lastCheckbox ) {
 423                 start = this.index + 1;
 424                 finish = lastCheckbox;
 425         } else {
 426                 start = lastCheckbox;
 427                 finish = this.index - 1;
 428         }
 429         for ( var i = start; i <= finish; ++i ) {
 430                 checkboxes[i].checked = endState;
 431                 if( i > start && typeof checkboxes[i].onchange == 'function' ) {
 432                         checkboxes[i].onchange(); // fire triggers
 433                 }
 434         }
 435         lastCheckbox = this.index;
 436         return true;
 437 }
 438
 439
 440 /*
 441         Written by Jonathan Snook, http://www.snook.ca/jonathan
 442         Add-ons by Robert Nyman, http://www.robertnyman.com
 443         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 444         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 445 */
 446 function getElementsByClassName( oElm, strTagName, oClassNames ) {
 447         var arrReturnElements = new Array();
 448         if ( typeof( oElm.getElementsByClassName ) == 'function' ) {
 449                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 450                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 451                 if ( strTagName == '*' ) {
 452                         return arrNativeReturn;
 453                 }
 454                 for ( var h = 0; h < arrNativeReturn.length; h++ ) {
 455                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() ) {
 456                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 457                         }
 458                 }
 459                 return arrReturnElements;
 460         }
 461         var arrElements = ( strTagName == '*' && oElm.all ) ? oElm.all : oElm.getElementsByTagName( strTagName );
 462         var arrRegExpClassNames = new Array();
 463         if( typeof oClassNames == 'object' ) {
 464                 for( var i = 0; i < oClassNames.length; i++ ) {
 465                         arrRegExpClassNames[arrRegExpClassNames.length] =
 466                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 467                 }
 468         } else {
 469                 arrRegExpClassNames[arrRegExpClassNames.length] =
 470                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 471         }
 472         var oElement;
 473         var bMatchesAll;
 474         for( var j = 0; j < arrElements.length; j++ ) {
 475                 oElement = arrElements[j];
 476                 bMatchesAll = true;
 477                 for( var k = 0; k < arrRegExpClassNames.length; k++ ) {
 478                         if( !arrRegExpClassNames[k].test( oElement.className ) ) {
 479                                 bMatchesAll = false;
 480                                 break;
 481                         }
 482                 }
 483                 if( bMatchesAll ) {
 484                         arrReturnElements[arrReturnElements.length] = oElement;
 485                 }
 486         }
 487         return ( arrReturnElements );
 488 }
 489
 490 function redirectToFragment( fragment ) {
 491         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 492         if ( match ) {
 493                 var webKitVersion = parseInt( match[1] );
 494                 if ( webKitVersion < 420 ) {
 495                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 496                         // Nightlies of 420+ are ok
 497                         return;
 498                 }
 499         }
 500         if ( is_gecko ) {
 501                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 502                 addOnloadHook(function() {
 503                         if ( window.location.hash == '' ) {
 504                                 window.location.hash = fragment;
 505                         }
 506                 });
 507         } else {
 508                 if ( window.location.hash == '' ) {
 509                         window.location.hash = fragment;
 510                 }
 511         }
 512 }
 513
 514 /*
 515  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 516  * de Valk:
 517  * http://www.joostdevalk.nl/code/sortable-table/
 518  * http://www.kryogenix.org/code/browser/sorttable/
 519  *
 520  * @todo don't break on colspans/rowspans (bug 8028)
 521  * @todo language-specific digit grouping/decimals (bug 8063)
 522  * @todo support all accepted date formats (bug 8226)
 523  */
 524
 525 var ts_image_path = stylepath + '/common/images/';
 526 var ts_image_up = 'sort_up.gif';
 527 var ts_image_down = 'sort_down.gif';
 528 var ts_image_none = 'sort_none.gif';
 529 var ts_europeandate = wgContentLanguage != 'en'; // The non-American-inclined can change to "true"
 530 var ts_alternate_row_colors = false;
 531 var ts_number_transform_table = null;
 532 var ts_number_regex = null;
 533
 534 function sortables_init() {
 535         var idnum = 0;
 536         // Find all tables with class sortable and make them sortable
 537         var tables = getElementsByClassName( document, 'table', 'sortable' );
 538         for ( var ti = 0; ti < tables.length ; ti++ ) {
 539                 if ( !tables[ti].id ) {
 540                         tables[ti].setAttribute( 'id', 'sortable_table_id_' + idnum );
 541                         ++idnum;
 542                 }
 543                 ts_makeSortable( tables[ti] );
 544         }
 545 }
 546
 547 function ts_makeSortable( table ) {
 548         var firstRow;
 549         if ( table.rows && table.rows.length > 0 ) {
 550                 if ( table.tHead && table.tHead.rows.length > 0 ) {
 551                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 552                 } else {
 553                         firstRow = table.rows[0];
 554                 }
 555         }
 556         if ( !firstRow ) {
 557                 return;
 558         }
 559
 560         // We have a first row: assume it's the header, and make its contents clickable links
 561         for ( var i = 0; i < firstRow.cells.length; i++ ) {
 562                 var cell = firstRow.cells[i];
 563                 if ( (' ' + cell.className + ' ').indexOf(' unsortable ') == -1 ) {
 564                         cell.innerHTML += '<a href="#" class="sortheader" '
 565                                 + 'onclick="ts_resortTable(this);return false;">'
 566                                 + '<span class="sortarrow">'
 567                                 + '<img src="'
 568                                 + ts_image_path
 569                                 + ts_image_none
 570                                 + '" alt="&darr;"/></span></a>';
 571                 }
 572         }
 573         if ( ts_alternate_row_colors ) {
 574                 ts_alternate( table );
 575         }
 576 }
 577
 578 function ts_getInnerText( el ) {
 579         return getInnerText( el );
 580 }
 581
 582 function ts_resortTable( lnk ) {
 583         // get the span
 584         var span = lnk.getElementsByTagName('span')[0];
 585
 586         var td = lnk.parentNode;
 587         var tr = td.parentNode;
 588         var column = td.cellIndex;
 589
 590         var table = tr.parentNode;
 591         while ( table && !( table.tagName && table.tagName.toLowerCase() == 'table' ) ) {
 592                 table = table.parentNode;
 593         }
 594         if ( !table ) {
 595                 return;
 596         }
 597
 598         if ( table.rows.length <= 1 ) {
 599                 return;
 600         }
 601
 602         // Generate the number transform table if it's not done already
 603         if ( ts_number_transform_table === null ) {
 604                 ts_initTransformTable();
 605         }
 606
 607         // Work out a type for the column
 608         // Skip the first row if that's where the headings are
 609         var rowStart = ( table.tHead && table.tHead.rows.length > 0 ? 0 : 1 );
 610
 611         var itm = '';
 612         for ( var i = rowStart; i < table.rows.length; i++ ) {
 613                 if ( table.rows[i].cells.length > column ) {
 614                         itm = ts_getInnerText(table.rows[i].cells[column]);
 615                         itm = itm.replace(/^[\s\xa0]+/, '').replace(/[\s\xa0]+$/, '');
 616                         if ( itm != '' ) {
 617                                 break;
 618                         }
 619                 }
 620         }
 621
 622         // TODO: bug 8226, localised date formats
 623         var sortfn = ts_sort_generic;
 624         var preprocessor = ts_toLowerCase;
 625         if ( /^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test( itm ) ) {
 626                 preprocessor = ts_dateToSortKey;
 627         } else if ( /^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test( itm ) ) {
 628                 preprocessor = ts_dateToSortKey;
 629         } else if ( /^\d\d[\/.-]\d\d[\/.-]\d\d$/.test( itm ) ) {
 630                 preprocessor = ts_dateToSortKey;
 631                 // (minus sign)([pound dollar euro yen currency]|cents)
 632         } else if ( /(^([-\u2212] *)?[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test( itm ) ) {
 633                 preprocessor = ts_currencyToSortKey;
 634         } else if ( ts_number_regex.test( itm ) ) {
 635                 preprocessor = ts_parseFloat;
 636         }
 637
 638         var reverse = ( span.getAttribute( 'sortdir' ) == 'down' );
 639
 640         var newRows = new Array();
 641         var staticRows = new Array();
 642         for ( var j = rowStart; j < table.rows.length; j++ ) {
 643                 var row = table.rows[j];
 644                 if( (' ' + row.className + ' ').indexOf(' unsortable ') < 0 ) {
 645                         var keyText = ts_getInnerText( row.cells[column] );
 646                         if( keyText === undefined ) {
 647                                 keyText = '';
 648                         }
 649                         var oldIndex = ( reverse ? -j : j );
 650                         var preprocessed = preprocessor( keyText.replace(/^[\s\xa0]+/, '').replace(/[\s\xa0]+$/, '') );
 651
 652                         newRows[newRows.length] = new Array( row, preprocessed, oldIndex );
 653                 } else {
 654                         staticRows[staticRows.length] = new Array( row, false, j-rowStart );
 655                 }
 656         }
 657
 658         newRows.sort( sortfn );
 659
 660         var arrowHTML;
 661         if ( reverse ) {
 662                 arrowHTML = '<img src="' + ts_image_path + ts_image_down + '" alt="&darr;"/>';
 663                 newRows.reverse();
 664                 span.setAttribute( 'sortdir', 'up' );
 665         } else {
 666                 arrowHTML = '<img src="' + ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 667                 span.setAttribute( 'sortdir', 'down' );
 668         }
 669
 670         for ( var i = 0; i < staticRows.length; i++ ) {
 671                 var row = staticRows[i];
 672                 newRows.splice( row[2], 0, row );
 673         }
 674
 675         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 676         // don't do sortbottom rows
 677         for ( var i = 0; i < newRows.length; i++ ) {
 678                 if ( ( ' ' + newRows[i][0].className + ' ').indexOf(' sortbottom ') == -1 ) {
 679                         table.tBodies[0].appendChild( newRows[i][0] );
 680                 }
 681         }
 682         // do sortbottom rows only
 683         for ( var i = 0; i < newRows.length; i++ ) {
 684                 if ( ( ' ' + newRows[i][0].className + ' ').indexOf(' sortbottom ') != -1 ) {
 685                         table.tBodies[0].appendChild( newRows[i][0] );
 686                 }
 687         }
 688
 689         // Delete any other arrows there may be showing
 690         var spans = getElementsByClassName( tr, 'span', 'sortarrow' );
 691         for ( var i = 0; i < spans.length; i++ ) {
 692                 spans[i].innerHTML = '<img src="' + ts_image_path + ts_image_none + '" alt="&darr;"/>';
 693         }
 694         span.innerHTML = arrowHTML;
 695
 696         if ( ts_alternate_row_colors ) {
 697                 ts_alternate( table );
 698         }
 699 }
 700
 701 function ts_initTransformTable() {
 702         if ( typeof wgSeparatorTransformTable == 'undefined'
 703                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 704         {
 705                 digitClass = "[0-9,.]";
 706                 ts_number_transform_table = false;
 707         } else {
 708                 ts_number_transform_table = {};
 709                 // Unpack the transform table
 710                 // Separators
 711                 ascii = wgSeparatorTransformTable[0].split("\t");
 712                 localised = wgSeparatorTransformTable[1].split("\t");
 713                 for ( var i = 0; i < ascii.length; i++ ) {
 714                         ts_number_transform_table[localised[i]] = ascii[i];
 715                 }
 716                 // Digits
 717                 ascii = wgDigitTransformTable[0].split("\t");
 718                 localised = wgDigitTransformTable[1].split("\t");
 719                 for ( var i = 0; i < ascii.length; i++ ) {
 720                         ts_number_transform_table[localised[i]] = ascii[i];
 721                 }
 722
 723                 // Construct regex for number identification
 724                 digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 725                 maxDigitLength = 1;
 726                 for ( var digit in ts_number_transform_table ) {
 727                         // Escape regex metacharacters
 728                         digits.push(
 729                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 730                                         function( s ) { return '\\' + s; } )
 731                         );
 732                         if ( digit.length > maxDigitLength ) {
 733                                 maxDigitLength = digit.length;
 734                         }
 735                 }
 736                 if ( maxDigitLength > 1 ) {
 737                         digitClass = '[' + digits.join( '', digits ) + ']';
 738                 } else {
 739                         digitClass = '(' + digits.join( '|', digits ) + ')';
 740                 }
 741         }
 742
 743         // We allow a trailing percent sign, which we just strip.  This works fine
 744         // if percents and regular numbers aren't being mixed.
 745         ts_number_regex = new RegExp(
 746                 "^(" +
 747                         "[-+\u2212]?[0-9][0-9,]*(\\.[0-9,]*)?(E[-+\u2212]?[0-9][0-9,]*)?" + // Fortran-style scientific
 748                         "|" +
 749                         "[-+\u2212]?" + digitClass + "+%?" + // Generic localised
 750                 ")$", "i"
 751         );
 752 }
 753
 754 function ts_toLowerCase( s ) {
 755         return s.toLowerCase();
 756 }
 757
 758 function ts_dateToSortKey( date ) {
 759         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 760         if ( date.length == 11 ) {
 761                 switch ( date.substr( 3, 3 ).toLowerCase() ) {
 762                         case 'jan':
 763                                 var month = '01';
 764                                 break;
 765                         case 'feb':
 766                                 var month = '02';
 767                                 break;
 768                         case 'mar':
 769                                 var month = '03';
 770                                 break;
 771                         case 'apr':
 772                                 var month = '04';
 773                                 break;
 774                         case 'may':
 775                                 var month = '05';
 776                                 break;
 777                         case 'jun':
 778                                 var month = '06';
 779                                 break;
 780                         case 'jul':
 781                                 var month = '07';
 782                                 break;
 783                         case 'aug':
 784                                 var month = '08';
 785                                 break;
 786                         case 'sep':
 787                                 var month = '09';
 788                                 break;
 789                         case 'oct':
 790                                 var month = '10';
 791                                 break;
 792                         case 'nov':
 793                                 var month = '11';
 794                                 break;
 795                         case 'dec':
 796                                 var month = '12';
 797                                 break;
 798                         // default: var month = '00';
 799                 }
 800                 return date.substr( 7, 4 ) + month + date.substr( 0, 2 );
 801         } else if ( date.length == 10 ) {
 802                 if ( ts_europeandate == false ) {
 803                         return date.substr( 6, 4 ) + date.substr( 0, 2 ) + date.substr( 3, 2 );
 804                 } else {
 805                         return date.substr( 6, 4 ) + date.substr( 3, 2 ) + date.substr( 0, 2 );
 806                 }
 807         } else if ( date.length == 8 ) {
 808                 yr = date.substr( 6, 2 );
 809                 if ( parseInt( yr ) < 50 ) {
 810                         yr = '20' + yr;
 811                 } else {
 812                         yr = '19' + yr;
 813                 }
 814                 if ( ts_europeandate == true ) {
 815                         return yr + date.substr( 3, 2 ) + date.substr( 0, 2 );
 816                 } else {
 817                         return yr + date.substr( 0, 2 ) + date.substr( 3, 2 );
 818                 }
 819         }
 820         return '00000000';
 821 }
 822
 823 function ts_parseFloat( s ) {
 824         if ( !s ) {
 825                 return 0;
 826         }
 827         if ( ts_number_transform_table != false ) {
 828                 var newNum = '', c;
 829
 830                 for ( var p = 0; p < s.length; p++ ) {
 831                         c = s.charAt( p );
 832                         if ( c in ts_number_transform_table ) {
 833                                 newNum += ts_number_transform_table[c];
 834                         } else {
 835                                 newNum += c;
 836                         }
 837                 }
 838                 s = newNum;
 839         }
 840         num = parseFloat( s.replace(/[, ]/g, '').replace("\u2212", '-') );
 841         return ( isNaN( num ) ? -Infinity : num );
 842 }
 843
 844 function ts_currencyToSortKey( s ) {
 845         return ts_parseFloat(s.replace(/[^-\u22120-9.,]/g,''));
 846 }
 847
 848 function ts_sort_generic( a, b ) {
 849         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 850 }
 851
 852 function ts_alternate( table ) {
 853         // Take object table and get all it's tbodies.
 854         var tableBodies = table.getElementsByTagName( 'tbody' );
 855         // Loop through these tbodies
 856         for ( var i = 0; i < tableBodies.length; i++ ) {
 857                 // Take the tbody, and get all it's rows
 858                 var tableRows = tableBodies[i].getElementsByTagName( 'tr' );
 859                 // Loop through these rows
 860                 // Start at 1 because we want to leave the heading row untouched
 861                 for ( var j = 0; j < tableRows.length; j++ ) {
 862                         // Check if j is even, and apply classes for both possible results
 863                         var oldClasses = tableRows[j].className.split(' ');
 864                         var newClassName = '';
 865                         for ( var k = 0; k < oldClasses.length; k++ ) {
 866                                 if ( oldClasses[k] != '' && oldClasses[k] != 'even' && oldClasses[k] != 'odd' ) {
 867                                         newClassName += oldClasses[k] + ' ';
 868                                 }
 869                         }
 870                         tableRows[j].className = newClassName + ( j % 2 == 0 ? 'even' : 'odd' );
 871                 }
 872         }
 873 }
 874
 875 /*
 876  * End of table sorting code
 877  */
 878
 879
 880 /**
 881  * Add a cute little box at the top of the screen to inform the user of
 882  * something, replacing any preexisting message.
 883  *
 884  * @param String -or- Dom Object message HTML to be put inside the right div
 885  * @param String className   Used in adding a class; should be different for each
 886  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 887  * @return Boolean       True on success, false on failure
 888  */
 889 function jsMsg( message, className ) {
 890         if ( !document.getElementById ) {
 891                 return false;
 892         }
 893         // We special-case skin structures provided by the software.  Skins that
 894         // choose to abandon or significantly modify our formatting can just define
 895         // an mw-js-message div to start with.
 896         var messageDiv = document.getElementById( 'mw-js-message' );
 897         if ( !messageDiv ) {
 898                 messageDiv = document.createElement( 'div' );
 899                 if ( document.getElementById( 'column-content' )
 900                 && document.getElementById( 'content' ) ) {
 901                         // MonoBook, presumably
 902                         document.getElementById( 'content' ).insertBefore(
 903                                 messageDiv,
 904                                 document.getElementById( 'content' ).firstChild
 905                         );
 906                 } else if ( document.getElementById( 'content' )
 907                 && document.getElementById( 'article' ) ) {
 908                         // Non-Monobook but still recognizable (old-style)
 909                         document.getElementById( 'article').insertBefore(
 910                                 messageDiv,
 911                                 document.getElementById( 'article' ).firstChild
 912                         );
 913                 } else {
 914                         return false;
 915                 }
 916         }
 917
 918         messageDiv.setAttribute( 'id', 'mw-js-message' );
 919         messageDiv.style.display = 'block';
 920         if( className ) {
 921                 messageDiv.setAttribute( 'class', 'mw-js-message-' + className );
 922         }
 923
 924         if ( typeof message === 'object' ) {
 925                 while ( messageDiv.hasChildNodes() ) { // Remove old content
 926                         messageDiv.removeChild( messageDiv.firstChild );
 927                 }
 928                 messageDiv.appendChild( message ); // Append new content
 929         } else {
 930                 messageDiv.innerHTML = message;
 931         }
 932         return true;
 933 }
 934
 935 /**
 936  * Inject a cute little progress spinner after the specified element
 937  *
 938  * @param element Element to inject after
 939  * @param id Identifier string (for use with removeSpinner(), below)
 940  */
 941 function injectSpinner( element, id ) {
 942         var spinner = document.createElement( 'img' );
 943         spinner.id = 'mw-spinner-' + id;
 944         spinner.src = stylepath + '/common/images/spinner.gif';
 945         spinner.alt = spinner.title = '...';
 946         if( element.nextSibling ) {
 947                 element.parentNode.insertBefore( spinner, element.nextSibling );
 948         } else {
 949                 element.parentNode.appendChild( spinner );
 950         }
 951 }
 952
 953 /**
 954  * Remove a progress spinner added with injectSpinner()
 955  *
 956  * @param id Identifier string
 957  */
 958 function removeSpinner( id ) {
 959         var spinner = document.getElementById( 'mw-spinner-' + id );
 960         if( spinner ) {
 961                 spinner.parentNode.removeChild( spinner );
 962         }
 963 }
 964
 965 function runOnloadHook() {
 966         // don't run anything below this for non-dom browsers
 967         if ( doneOnloadHook || !( document.getElementById && document.getElementsByTagName ) ) {
 968                 return;
 969         }
 970
 971         // set this before running any hooks, since any errors below
 972         // might cause the function to terminate prematurely
 973         doneOnloadHook = true;
 974
 975         updateTooltipAccessKeys( null );
 976         setupCheckboxShiftClick();
 977         sortables_init();
 978
 979         // Run any added-on functions
 980         for ( var i = 0; i < onloadFuncts.length; i++ ) {
 981                 onloadFuncts[i]();
 982         }
 983 }
 984
 985 /**
 986  * Add an event handler to an element
 987  *
 988  * @param Element element Element to add handler to
 989  * @param String attach Event to attach to
 990  * @param callable handler Event handler callback
 991  */
 992 function addHandler( element, attach, handler ) {
 993         if( window.addEventListener ) {
 994                 element.addEventListener( attach, handler, false );
 995         } else if( window.attachEvent ) {
 996                 element.attachEvent( 'on' + attach, handler );
 997         }
 998 }
 999
1000 /**
1001  * Add a click event handler to an element
1002  *
1003  * @param Element element Element to add handler to
1004  * @param callable handler Event handler callback
1005  */
1006 function addClickHandler( element, handler ) {
1007         addHandler( element, 'click', handler );
1008 }
1009
1010 /**
1011  * Removes an event handler from an element
1012  *
1013  * @param Element element Element to remove handler from
1014  * @param String remove Event to remove
1015  * @param callable handler Event handler callback to remove
1016  */
1017 function removeHandler( element, remove, handler ) {
1018         if( window.removeEventListener ) {
1019                 element.removeEventListener( remove, handler, false );
1020         } else if( window.detachEvent ) {
1021                 element.detachEvent( 'on' + remove, handler );
1022         }
1023 }
1024 // note: all skins should call runOnloadHook() at the end of html output,
1025 //      so the below should be redundant. It's there just in case.
1026 hookEvent( 'load', runOnloadHook );
1027
1028 if ( ie6_bugs ) {
1029         importScriptURI( stylepath + '/common/IEFixes.js' );
1030 }