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
 105 if ( typeof stylepath != 'undefined' && typeof skin != 'undefined' ) {
 106         // FIXME: This tries to load the stylesheets even for skins where they
 107         // don't exist, i.e., everything but Monobook.
 108         if ( opera6_bugs ) {
 109                 importStylesheetURI( stylepath + '/' + skin + '/Opera6Fixes.css' );
 110         } else if ( opera7_bugs ) {
 111                 importStylesheetURI( stylepath + '/' + skin + '/Opera7Fixes.css' );
 112         } else if ( opera95_bugs ) {
 113                 importStylesheetURI( stylepath + '/' + skin + '/Opera9Fixes.css' );
 114         } else if ( ff2_bugs ) {
 115                 importStylesheetURI( stylepath + '/' + skin + '/FF2Fixes.css' );
 116         }
 117 }
 118
 119
 120 if ( wgBreakFrames ) {
 121         // Un-trap us from framesets
 122         if ( window.top != window ) {
 123                 window.top.location = window.location;
 124         }
 125 }
 126
 127 function showTocToggle() {
 128         if ( document.createTextNode ) {
 129                 // Uses DOM calls to avoid document.write + XHTML issues
 130
 131                 var linkHolder = document.getElementById( 'toctitle' );
 132                 var existingLink = document.getElementById( 'togglelink' );
 133                 if ( !linkHolder || existingLink ) {
 134                         // Don't add the toggle link twice
 135                         return;
 136                 }
 137
 138                 var outerSpan = document.createElement( 'span' );
 139                 outerSpan.className = 'toctoggle';
 140
 141                 var toggleLink = document.createElement( 'a' );
 142                 toggleLink.id = 'togglelink';
 143                 toggleLink.className = 'internal';
 144                 toggleLink.href = 'javascript:toggleToc()';
 145                 toggleLink.appendChild( document.createTextNode( tocHideText ) );
 146
 147                 outerSpan.appendChild( document.createTextNode( '[' ) );
 148                 outerSpan.appendChild( toggleLink );
 149                 outerSpan.appendChild( document.createTextNode( ']' ) );
 150
 151                 linkHolder.appendChild( document.createTextNode( ' ' ) );
 152                 linkHolder.appendChild( outerSpan );
 153
 154                 var cookiePos = document.cookie.indexOf( "hidetoc=" );
 155                 if ( cookiePos > -1 && document.cookie.charAt( cookiePos + 8 ) == 1 ) {
 156                         toggleToc();
 157                 }
 158         }
 159 }
 160
 161 function changeText( el, newText ) {
 162         // Safari work around
 163         if ( el.innerText ) {
 164                 el.innerText = newText;
 165         } else if ( el.firstChild && el.firstChild.nodeValue ) {
 166                 el.firstChild.nodeValue = newText;
 167         }
 168 }
 169
 170 function toggleToc() {
 171         var tocmain = document.getElementById( 'toc' );
 172         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 173         var toggleLink = document.getElementById( 'togglelink' );
 174
 175         if ( toc && toggleLink && toc.style.display == 'none' ) {
 176                 changeText( toggleLink, tocHideText );
 177                 toc.style.display = 'block';
 178                 document.cookie = "hidetoc=0";
 179                 tocmain.className = 'toc';
 180         } else {
 181                 changeText( toggleLink, tocShowText );
 182                 toc.style.display = 'none';
 183                 document.cookie = "hidetoc=1";
 184                 tocmain.className = 'toc tochidden';
 185         }
 186 }
 187
 188 var mwEditButtons = [];
 189 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 190
 191 function escapeQuotes( text ) {
 192         var re = new RegExp( "'", "g" );
 193         text = text.replace( re, "\\'" );
 194         re = new RegExp( "\\n", "g" );
 195         text = text.replace( re, "\\n" );
 196         return escapeQuotesHTML( text );
 197 }
 198
 199 function escapeQuotesHTML( text ) {
 200         var re = new RegExp( '&', "g" );
 201         text = text.replace( re, "&amp;" );
 202         re = new RegExp( '"', "g" );
 203         text = text.replace( re, "&quot;" );
 204         re = new RegExp( '<', "g" );
 205         text = text.replace( re, "&lt;" );
 206         re = new RegExp( '>', "g" );
 207         text = text.replace( re, "&gt;" );
 208         return text;
 209 }
 210
 211 /**
 212  * Set the accesskey prefix based on browser detection.
 213  */
 214 var tooltipAccessKeyPrefix = 'alt-';
 215 if ( is_opera ) {
 216         tooltipAccessKeyPrefix = 'shift-esc-';
 217 } else if ( !is_safari_win && is_safari && webkit_version > 526 ) {
 218         tooltipAccessKeyPrefix = 'ctrl-alt-';
 219 } else if ( !is_safari_win && ( is_safari
 220                 || clientPC.indexOf('mac') != -1
 221                 || clientPC.indexOf('konqueror') != -1 ) ) {
 222         tooltipAccessKeyPrefix = 'ctrl-';
 223 } else if ( is_ff2 ) {
 224         tooltipAccessKeyPrefix = 'alt-shift-';
 225 }
 226 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 227
 228 /**
 229  * Add the appropriate prefix to the accesskey shown in the tooltip.
 230  * If the nodeList parameter is given, only those nodes are updated;
 231  * otherwise, all the nodes that will probably have accesskeys by
 232  * default are updated.
 233  *
 234  * @param Array nodeList -- list of elements to update
 235  */
 236 function updateTooltipAccessKeys( nodeList ) {
 237         if ( !nodeList ) {
 238                 // Rather than scan all links on the whole page, we can just scan these
 239                 // containers which contain the relevant links. This is really just an
 240                 // optimization technique.
 241                 var linkContainers = [
 242                         'column-one', // Monobook and Modern
 243                         'head', 'panel', 'p-logo' // Vector
 244                 ];
 245                 for ( var i in linkContainers ) {
 246                         var linkContainer = document.getElementById( linkContainers[i] );
 247                         if ( linkContainer ) {
 248                                 updateTooltipAccessKeys( linkContainer.getElementsByTagName( 'a' ) );
 249                         }
 250                 }
 251                 // these are rare enough that no such optimization is needed
 252                 updateTooltipAccessKeys( document.getElementsByTagName( 'input' ) );
 253                 updateTooltipAccessKeys( document.getElementsByTagName( 'label' ) );
 254                 return;
 255         }
 256
 257         for ( var i = 0; i < nodeList.length; i++ ) {
 258                 var element = nodeList[i];
 259                 var tip = element.getAttribute( 'title' );
 260                 if ( tip && tooltipAccessKeyRegexp.exec( tip ) ) {
 261                         tip = tip.replace(tooltipAccessKeyRegexp,
 262                                           '[' + tooltipAccessKeyPrefix + "$5]");
 263                         element.setAttribute( 'title', tip );
 264                 }
 265         }
 266 }
 267
 268 /**
 269  * Add a link to one of the portlet menus on the page, including:
 270  *
 271  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 272  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 273  * p-navigation: Navigation
 274  * p-tb: Toolbox
 275  *
 276  * This function exists for the convenience of custom JS authors.  All
 277  * but the first three parameters are optional, though providing at
 278  * least an id and a tooltip is recommended.
 279  *
 280  * By default the new link will be added to the end of the list.  To
 281  * add the link before a given existing item, pass the DOM node of
 282  * that item (easily obtained with document.getElementById()) as the
 283  * nextnode parameter; to add the link _after_ an existing item, pass
 284  * the node's nextSibling instead.
 285  *
 286  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 287  * @param String href -- link URL
 288  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 289  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 290  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 291  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 292  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 293  *
 294  * @return Node -- the DOM node of the new item (an LI element) or null
 295  */
 296 function addPortletLink( portlet, href, text, id, tooltip, accesskey, nextnode ) {
 297         var root = document.getElementById( portlet );
 298         if ( !root ) {
 299                 return null;
 300         }
 301         var node = root.getElementsByTagName( 'ul' )[0];
 302         if ( !node ) {
 303                 return null;
 304         }
 305
 306         // unhide portlet if it was hidden before
 307         root.className = root.className.replace( /(^| )emptyPortlet( |$)/, "$2" );
 308
 309         var span = document.createElement( 'span' );
 310         span.appendChild( document.createTextNode( text ) );
 311
 312         var link = document.createElement( 'a' );
 313         link.appendChild( span );
 314         link.href = href;
 315
 316         var item = document.createElement( 'li' );
 317         item.appendChild( link );
 318         if ( id ) {
 319                 item.id = id;
 320         }
 321
 322         if ( accesskey ) {
 323                 link.setAttribute( 'accesskey', accesskey );
 324                 tooltip += ' [' + accesskey + ']';
 325         }
 326         if ( tooltip ) {
 327                 link.setAttribute( 'title', tooltip );
 328         }
 329         if ( accesskey && tooltip ) {
 330                 updateTooltipAccessKeys( new Array( link ) );
 331         }
 332
 333         if ( nextnode && nextnode.parentNode == node ) {
 334                 node.insertBefore( item, nextnode );
 335         } else {
 336                 node.appendChild( item );  // IE compatibility (?)
 337         }
 338
 339         return item;
 340 }
 341
 342 function getInnerText( el ) {
 343         if ( typeof el == 'string' ) {
 344                 return el;
 345         }
 346         if ( typeof el == 'undefined' ) {
 347                 return el;
 348         }
 349         if ( el.textContent ) {
 350                 return el.textContent; // not needed but it is faster
 351         }
 352         if ( el.innerText ) {
 353                 return el.innerText; // IE doesn't have textContent
 354         }
 355         var str = '';
 356
 357         var cs = el.childNodes;
 358         var l = cs.length;
 359         for ( var i = 0; i < l; i++ ) {
 360                 switch ( cs[i].nodeType ) {
 361                         case 1: // ELEMENT_NODE
 362                                 str += ts_getInnerText( cs[i] );
 363                                 break;
 364                         case 3: // TEXT_NODE
 365                                 str += cs[i].nodeValue;
 366                                 break;
 367                 }
 368         }
 369         return str;
 370 }
 371
 372 /* Dummy for deprecated function */
 373 function akeytt( doId ) {
 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 ) {
 388                 start = 0;
 389         }
 390
 391         var finish = start + 250;
 392         if ( finish > inputs.length ) {
 393                 finish = inputs.length;
 394         }
 395
 396         for ( var i = start; i < finish; i++ ) {
 397                 var cb = inputs[i];
 398                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' ) {
 399                         continue;
 400                 }
 401                 var end = checkboxes.length;
 402                 checkboxes[end] = cb;
 403                 cb.index = end;
 404                 cb.onclick = checkboxClickHandler;
 405         }
 406
 407         if ( finish < inputs.length ) {
 408                 setTimeout( function() {
 409                         addCheckboxClickHandlers( inputs, finish );
 410                 }, 200 );
 411         }
 412 }
 413
 414 function checkboxClickHandler( e ) {
 415         if ( typeof e == 'undefined' ) {
 416                 e = window.event;
 417         }
 418         if ( !e.shiftKey || lastCheckbox === null ) {
 419                 lastCheckbox = this.index;
 420                 return true;
 421         }
 422         var endState = this.checked;
 423         var start, finish;
 424         if ( this.index < lastCheckbox ) {
 425                 start = this.index + 1;
 426                 finish = lastCheckbox;
 427         } else {
 428                 start = lastCheckbox;
 429                 finish = this.index - 1;
 430         }
 431         for ( var i = start; i <= finish; ++i ) {
 432                 checkboxes[i].checked = endState;
 433                 if( i > start && typeof checkboxes[i].onchange == 'function' ) {
 434                         checkboxes[i].onchange(); // fire triggers
 435                 }
 436         }
 437         lastCheckbox = this.index;
 438         return true;
 439 }
 440
 441
 442 /*
 443         Written by Jonathan Snook, http://www.snook.ca/jonathan
 444         Add-ons by Robert Nyman, http://www.robertnyman.com
 445         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 446         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 447 */
 448 function getElementsByClassName( oElm, strTagName, oClassNames ) {
 449         var arrReturnElements = new Array();
 450         if ( typeof( oElm.getElementsByClassName ) == 'function' ) {
 451                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 452                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 453                 if ( strTagName == '*' ) {
 454                         return arrNativeReturn;
 455                 }
 456                 for ( var h = 0; h < arrNativeReturn.length; h++ ) {
 457                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() ) {
 458                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 459                         }
 460                 }
 461                 return arrReturnElements;
 462         }
 463         var arrElements = ( strTagName == '*' && oElm.all ) ? oElm.all : oElm.getElementsByTagName( strTagName );
 464         var arrRegExpClassNames = new Array();
 465         if( typeof oClassNames == 'object' ) {
 466                 for( var i = 0; i < oClassNames.length; i++ ) {
 467                         arrRegExpClassNames[arrRegExpClassNames.length] =
 468                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 469                 }
 470         } else {
 471                 arrRegExpClassNames[arrRegExpClassNames.length] =
 472                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 473         }
 474         var oElement;
 475         var bMatchesAll;
 476         for( var j = 0; j < arrElements.length; j++ ) {
 477                 oElement = arrElements[j];
 478                 bMatchesAll = true;
 479                 for( var k = 0; k < arrRegExpClassNames.length; k++ ) {
 480                         if( !arrRegExpClassNames[k].test( oElement.className ) ) {
 481                                 bMatchesAll = false;
 482                                 break;
 483                         }
 484                 }
 485                 if( bMatchesAll ) {
 486                         arrReturnElements[arrReturnElements.length] = oElement;
 487                 }
 488         }
 489         return ( arrReturnElements );
 490 }
 491
 492 function redirectToFragment( fragment ) {
 493         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 494         if ( match ) {
 495                 var webKitVersion = parseInt( match[1] );
 496                 if ( webKitVersion < 420 ) {
 497                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 498                         // Nightlies of 420+ are ok
 499                         return;
 500                 }
 501         }
 502         if ( is_gecko ) {
 503                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 504                 addOnloadHook(function() {
 505                         if ( window.location.hash == '' ) {
 506                                 window.location.hash = fragment;
 507                         }
 508                 });
 509         } else {
 510                 if ( window.location.hash == '' ) {
 511                         window.location.hash = fragment;
 512                 }
 513         }
 514 }
 515
 516 /*
 517  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 518  * de Valk:
 519  * http://www.joostdevalk.nl/code/sortable-table/
 520  * http://www.kryogenix.org/code/browser/sorttable/
 521  *
 522  * @todo don't break on colspans/rowspans (bug 8028)
 523  * @todo language-specific digit grouping/decimals (bug 8063)
 524  * @todo support all accepted date formats (bug 8226)
 525  */
 526
 527 var ts_image_path = stylepath + '/common/images/';
 528 var ts_image_up = 'sort_up.gif';
 529 var ts_image_down = 'sort_down.gif';
 530 var ts_image_none = 'sort_none.gif';
 531 var ts_europeandate = wgContentLanguage != 'en'; // The non-American-inclined can change to "true"
 532 var ts_alternate_row_colors = false;
 533 var ts_number_transform_table = null;
 534 var ts_number_regex = null;
 535
 536 function sortables_init() {
 537         var idnum = 0;
 538         // Find all tables with class sortable and make them sortable
 539         var tables = getElementsByClassName( document, 'table', 'sortable' );
 540         for ( var ti = 0; ti < tables.length ; ti++ ) {
 541                 if ( !tables[ti].id ) {
 542                         tables[ti].setAttribute( 'id', 'sortable_table_id_' + idnum );
 543                         ++idnum;
 544                 }
 545                 ts_makeSortable( tables[ti] );
 546         }
 547 }
 548
 549 function ts_makeSortable( table ) {
 550         var firstRow;
 551         if ( table.rows && table.rows.length > 0 ) {
 552                 if ( table.tHead && table.tHead.rows.length > 0 ) {
 553                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 554                 } else {
 555                         firstRow = table.rows[0];
 556                 }
 557         }
 558         if ( !firstRow ) {
 559                 return;
 560         }
 561
 562         // We have a first row: assume it's the header, and make its contents clickable links
 563         for ( var i = 0; i < firstRow.cells.length; i++ ) {
 564                 var cell = firstRow.cells[i];
 565                 if ( (' ' + cell.className + ' ').indexOf(' unsortable ') == -1 ) {
 566                         cell.innerHTML += '<a href="#" class="sortheader" '
 567                                 + 'onclick="ts_resortTable(this);return false;">'
 568                                 + '<span class="sortarrow">'
 569                                 + '<img src="'
 570                                 + ts_image_path
 571                                 + ts_image_none
 572                                 + '" alt="&darr;"/></span></a>';
 573                 }
 574         }
 575         if ( ts_alternate_row_colors ) {
 576                 ts_alternate( table );
 577         }
 578 }
 579
 580 function ts_getInnerText( el ) {
 581         return getInnerText( el );
 582 }
 583
 584 function ts_resortTable( lnk ) {
 585         // get the span
 586         var span = lnk.getElementsByTagName('span')[0];
 587
 588         var td = lnk.parentNode;
 589         var tr = td.parentNode;
 590         var column = td.cellIndex;
 591
 592         var table = tr.parentNode;
 593         while ( table && !( table.tagName && table.tagName.toLowerCase() == 'table' ) ) {
 594                 table = table.parentNode;
 595         }
 596         if ( !table ) {
 597                 return;
 598         }
 599
 600         if ( table.rows.length <= 1 ) {
 601                 return;
 602         }
 603
 604         // Generate the number transform table if it's not done already
 605         if ( ts_number_transform_table === null ) {
 606                 ts_initTransformTable();
 607         }
 608
 609         // Work out a type for the column
 610         // Skip the first row if that's where the headings are
 611         var rowStart = ( table.tHead && table.tHead.rows.length > 0 ? 0 : 1 );
 612
 613         var itm = '';
 614         for ( var i = rowStart; i < table.rows.length; i++ ) {
 615                 if ( table.rows[i].cells.length > column ) {
 616                         itm = ts_getInnerText(table.rows[i].cells[column]);
 617                         itm = itm.replace(/^[\s\xa0]+/, '').replace(/[\s\xa0]+$/, '');
 618                         if ( itm != '' ) {
 619                                 break;
 620                         }
 621                 }
 622         }
 623
 624         // TODO: bug 8226, localised date formats
 625         var sortfn = ts_sort_generic;
 626         var preprocessor = ts_toLowerCase;
 627         if ( /^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test( itm ) ) {
 628                 preprocessor = ts_dateToSortKey;
 629         } else if ( /^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test( itm ) ) {
 630                 preprocessor = ts_dateToSortKey;
 631         } else if ( /^\d\d[\/.-]\d\d[\/.-]\d\d$/.test( itm ) ) {
 632                 preprocessor = ts_dateToSortKey;
 633                 // (minus sign)([pound dollar euro yen currency]|cents)
 634         } else if ( /(^([-\u2212] *)?[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test( itm ) ) {
 635                 preprocessor = ts_currencyToSortKey;
 636         } else if ( ts_number_regex.test( itm ) ) {
 637                 preprocessor = ts_parseFloat;
 638         }
 639
 640         var reverse = ( span.getAttribute( 'sortdir' ) == 'down' );
 641
 642         var newRows = new Array();
 643         var staticRows = new Array();
 644         for ( var j = rowStart; j < table.rows.length; j++ ) {
 645                 var row = table.rows[j];
 646                 if( (' ' + row.className + ' ').indexOf(' unsortable ') < 0 ) {
 647                         var keyText = ts_getInnerText( row.cells[column] );
 648                         if( keyText === undefined ) {
 649                                 keyText = '';
 650                         }
 651                         var oldIndex = ( reverse ? -j : j );
 652                         var preprocessed = preprocessor( keyText.replace(/^[\s\xa0]+/, '').replace(/[\s\xa0]+$/, '') );
 653
 654                         newRows[newRows.length] = new Array( row, preprocessed, oldIndex );
 655                 } else {
 656                         staticRows[staticRows.length] = new Array( row, false, j-rowStart );
 657                 }
 658         }
 659
 660         newRows.sort( sortfn );
 661
 662         var arrowHTML;
 663         if ( reverse ) {
 664                 arrowHTML = '<img src="' + ts_image_path + ts_image_down + '" alt="&darr;"/>';
 665                 newRows.reverse();
 666                 span.setAttribute( 'sortdir', 'up' );
 667         } else {
 668                 arrowHTML = '<img src="' + ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 669                 span.setAttribute( 'sortdir', 'down' );
 670         }
 671
 672         for ( var i = 0; i < staticRows.length; i++ ) {
 673                 var row = staticRows[i];
 674                 newRows.splice( row[2], 0, row );
 675         }
 676
 677         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 678         // don't do sortbottom rows
 679         for ( var i = 0; i < newRows.length; i++ ) {
 680                 if ( ( ' ' + newRows[i][0].className + ' ').indexOf(' sortbottom ') == -1 ) {
 681                         table.tBodies[0].appendChild( newRows[i][0] );
 682                 }
 683         }
 684         // do sortbottom rows only
 685         for ( var i = 0; i < newRows.length; i++ ) {
 686                 if ( ( ' ' + newRows[i][0].className + ' ').indexOf(' sortbottom ') != -1 ) {
 687                         table.tBodies[0].appendChild( newRows[i][0] );
 688                 }
 689         }
 690
 691         // Delete any other arrows there may be showing
 692         var spans = getElementsByClassName( tr, 'span', 'sortarrow' );
 693         for ( var i = 0; i < spans.length; i++ ) {
 694                 spans[i].innerHTML = '<img src="' + ts_image_path + ts_image_none + '" alt="&darr;"/>';
 695         }
 696         span.innerHTML = arrowHTML;
 697
 698         if ( ts_alternate_row_colors ) {
 699                 ts_alternate( table );
 700         }
 701 }
 702
 703 function ts_initTransformTable() {
 704         if ( typeof wgSeparatorTransformTable == 'undefined'
 705                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 706         {
 707                 digitClass = "[0-9,.]";
 708                 ts_number_transform_table = false;
 709         } else {
 710                 ts_number_transform_table = {};
 711                 // Unpack the transform table
 712                 // Separators
 713                 ascii = wgSeparatorTransformTable[0].split("\t");
 714                 localised = wgSeparatorTransformTable[1].split("\t");
 715                 for ( var i = 0; i < ascii.length; i++ ) {
 716                         ts_number_transform_table[localised[i]] = ascii[i];
 717                 }
 718                 // Digits
 719                 ascii = wgDigitTransformTable[0].split("\t");
 720                 localised = wgDigitTransformTable[1].split("\t");
 721                 for ( var i = 0; i < ascii.length; i++ ) {
 722                         ts_number_transform_table[localised[i]] = ascii[i];
 723                 }
 724
 725                 // Construct regex for number identification
 726                 digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 727                 maxDigitLength = 1;
 728                 for ( var digit in ts_number_transform_table ) {
 729                         // Escape regex metacharacters
 730                         digits.push(
 731                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 732                                         function( s ) { return '\\' + s; } )
 733                         );
 734                         if ( digit.length > maxDigitLength ) {
 735                                 maxDigitLength = digit.length;
 736                         }
 737                 }
 738                 if ( maxDigitLength > 1 ) {
 739                         digitClass = '[' + digits.join( '', digits ) + ']';
 740                 } else {
 741                         digitClass = '(' + digits.join( '|', digits ) + ')';
 742                 }
 743         }
 744
 745         // We allow a trailing percent sign, which we just strip.  This works fine
 746         // if percents and regular numbers aren't being mixed.
 747         ts_number_regex = new RegExp(
 748                 "^(" +
 749                         "[-+\u2212]?[0-9][0-9,]*(\\.[0-9,]*)?(E[-+\u2212]?[0-9][0-9,]*)?" + // Fortran-style scientific
 750                         "|" +
 751                         "[-+\u2212]?" + digitClass + "+%?" + // Generic localised
 752                 ")$", "i"
 753         );
 754 }
 755
 756 function ts_toLowerCase( s ) {
 757         return s.toLowerCase();
 758 }
 759
 760 function ts_dateToSortKey( date ) {
 761         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 762         if ( date.length == 11 ) {
 763                 switch ( date.substr( 3, 3 ).toLowerCase() ) {
 764                         case 'jan':
 765                                 var month = '01';
 766                                 break;
 767                         case 'feb':
 768                                 var month = '02';
 769                                 break;
 770                         case 'mar':
 771                                 var month = '03';
 772                                 break;
 773                         case 'apr':
 774                                 var month = '04';
 775                                 break;
 776                         case 'may':
 777                                 var month = '05';
 778                                 break;
 779                         case 'jun':
 780                                 var month = '06';
 781                                 break;
 782                         case 'jul':
 783                                 var month = '07';
 784                                 break;
 785                         case 'aug':
 786                                 var month = '08';
 787                                 break;
 788                         case 'sep':
 789                                 var month = '09';
 790                                 break;
 791                         case 'oct':
 792                                 var month = '10';
 793                                 break;
 794                         case 'nov':
 795                                 var month = '11';
 796                                 break;
 797                         case 'dec':
 798                                 var month = '12';
 799                                 break;
 800                         // default: var month = '00';
 801                 }
 802                 return date.substr( 7, 4 ) + month + date.substr( 0, 2 );
 803         } else if ( date.length == 10 ) {
 804                 if ( ts_europeandate == false ) {
 805                         return date.substr( 6, 4 ) + date.substr( 0, 2 ) + date.substr( 3, 2 );
 806                 } else {
 807                         return date.substr( 6, 4 ) + date.substr( 3, 2 ) + date.substr( 0, 2 );
 808                 }
 809         } else if ( date.length == 8 ) {
 810                 yr = date.substr( 6, 2 );
 811                 if ( parseInt( yr ) < 50 ) {
 812                         yr = '20' + yr;
 813                 } else {
 814                         yr = '19' + yr;
 815                 }
 816                 if ( ts_europeandate == true ) {
 817                         return yr + date.substr( 3, 2 ) + date.substr( 0, 2 );
 818                 } else {
 819                         return yr + date.substr( 0, 2 ) + date.substr( 3, 2 );
 820                 }
 821         }
 822         return '00000000';
 823 }
 824
 825 function ts_parseFloat( s ) {
 826         if ( !s ) {
 827                 return 0;
 828         }
 829         if ( ts_number_transform_table != false ) {
 830                 var newNum = '', c;
 831
 832                 for ( var p = 0; p < s.length; p++ ) {
 833                         c = s.charAt( p );
 834                         if ( c in ts_number_transform_table ) {
 835                                 newNum += ts_number_transform_table[c];
 836                         } else {
 837                                 newNum += c;
 838                         }
 839                 }
 840                 s = newNum;
 841         }
 842         num = parseFloat( s.replace(/[, ]/g, '').replace("\u2212", '-') );
 843         return ( isNaN( num ) ? -Infinity : num );
 844 }
 845
 846 function ts_currencyToSortKey( s ) {
 847         return ts_parseFloat(s.replace(/[^-\u22120-9.,]/g,''));
 848 }
 849
 850 function ts_sort_generic( a, b ) {
 851         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 852 }
 853
 854 function ts_alternate( table ) {
 855         // Take object table and get all it's tbodies.
 856         var tableBodies = table.getElementsByTagName( 'tbody' );
 857         // Loop through these tbodies
 858         for ( var i = 0; i < tableBodies.length; i++ ) {
 859                 // Take the tbody, and get all it's rows
 860                 var tableRows = tableBodies[i].getElementsByTagName( 'tr' );
 861                 // Loop through these rows
 862                 // Start at 1 because we want to leave the heading row untouched
 863                 for ( var j = 0; j < tableRows.length; j++ ) {
 864                         // Check if j is even, and apply classes for both possible results
 865                         var oldClasses = tableRows[j].className.split(' ');
 866                         var newClassName = '';
 867                         for ( var k = 0; k < oldClasses.length; k++ ) {
 868                                 if ( oldClasses[k] != '' && oldClasses[k] != 'even' && oldClasses[k] != 'odd' ) {
 869                                         newClassName += oldClasses[k] + ' ';
 870                                 }
 871                         }
 872                         tableRows[j].className = newClassName + ( j % 2 == 0 ? 'even' : 'odd' );
 873                 }
 874         }
 875 }
 876
 877 /*
 878  * End of table sorting code
 879  */
 880
 881
 882 /**
 883  * Add a cute little box at the top of the screen to inform the user of
 884  * something, replacing any preexisting message.
 885  *
 886  * @param String -or- Dom Object message HTML to be put inside the right div
 887  * @param String className   Used in adding a class; should be different for each
 888  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 889  * @return Boolean       True on success, false on failure
 890  */
 891 function jsMsg( message, className ) {
 892         if ( !document.getElementById ) {
 893                 return false;
 894         }
 895         // We special-case skin structures provided by the software.  Skins that
 896         // choose to abandon or significantly modify our formatting can just define
 897         // an mw-js-message div to start with.
 898         var messageDiv = document.getElementById( 'mw-js-message' );
 899         if ( !messageDiv ) {
 900                 messageDiv = document.createElement( 'div' );
 901                 if ( document.getElementById( 'column-content' )
 902                 && document.getElementById( 'content' ) ) {
 903                         // MonoBook, presumably
 904                         document.getElementById( 'content' ).insertBefore(
 905                                 messageDiv,
 906                                 document.getElementById( 'content' ).firstChild
 907                         );
 908                 } else if ( document.getElementById( 'content' )
 909                 && document.getElementById( 'article' ) ) {
 910                         // Non-Monobook but still recognizable (old-style)
 911                         document.getElementById( 'article').insertBefore(
 912                                 messageDiv,
 913                                 document.getElementById( 'article' ).firstChild
 914                         );
 915                 } else {
 916                         return false;
 917                 }
 918         }
 919
 920         messageDiv.setAttribute( 'id', 'mw-js-message' );
 921         messageDiv.style.display = 'block';
 922         if( className ) {
 923                 messageDiv.setAttribute( 'class', 'mw-js-message-' + className );
 924         }
 925
 926         if ( typeof message === 'object' ) {
 927                 while ( messageDiv.hasChildNodes() ) { // Remove old content
 928                         messageDiv.removeChild( messageDiv.firstChild );
 929                 }
 930                 messageDiv.appendChild( message ); // Append new content
 931         } else {
 932                 messageDiv.innerHTML = message;
 933         }
 934         return true;
 935 }
 936
 937 /**
 938  * Inject a cute little progress spinner after the specified element
 939  *
 940  * @param element Element to inject after
 941  * @param id Identifier string (for use with removeSpinner(), below)
 942  */
 943 function injectSpinner( element, id ) {
 944         var spinner = document.createElement( 'img' );
 945         spinner.id = 'mw-spinner-' + id;
 946         spinner.src = stylepath + '/common/images/spinner.gif';
 947         spinner.alt = spinner.title = '...';
 948         if( element.nextSibling ) {
 949                 element.parentNode.insertBefore( spinner, element.nextSibling );
 950         } else {
 951                 element.parentNode.appendChild( spinner );
 952         }
 953 }
 954
 955 /**
 956  * Remove a progress spinner added with injectSpinner()
 957  *
 958  * @param id Identifier string
 959  */
 960 function removeSpinner( id ) {
 961         var spinner = document.getElementById( 'mw-spinner-' + id );
 962         if( spinner ) {
 963                 spinner.parentNode.removeChild( spinner );
 964         }
 965 }
 966
 967 function runOnloadHook() {
 968         // don't run anything below this for non-dom browsers
 969         if ( doneOnloadHook || !( document.getElementById && document.getElementsByTagName ) ) {
 970                 return;
 971         }
 972
 973         // set this before running any hooks, since any errors below
 974         // might cause the function to terminate prematurely
 975         doneOnloadHook = true;
 976
 977         updateTooltipAccessKeys( null );
 978         setupCheckboxShiftClick();
 979         sortables_init();
 980
 981         // Run any added-on functions
 982         for ( var i = 0; i < onloadFuncts.length; i++ ) {
 983                 onloadFuncts[i]();
 984         }
 985 }
 986
 987 /**
 988  * Add an event handler to an element
 989  *
 990  * @param Element element Element to add handler to
 991  * @param String attach Event to attach to
 992  * @param callable handler Event handler callback
 993  */
 994 function addHandler( element, attach, handler ) {
 995         if( window.addEventListener ) {
 996                 element.addEventListener( attach, handler, false );
 997         } else if( window.attachEvent ) {
 998                 element.attachEvent( 'on' + attach, handler );
 999         }
1000 }
1001
1002 /**
1003  * Add a click event handler to an element
1004  *
1005  * @param Element element Element to add handler to
1006  * @param callable handler Event handler callback
1007  */
1008 function addClickHandler( element, handler ) {
1009         addHandler( element, 'click', handler );
1010 }
1011
1012 /**
1013  * Removes an event handler from an element
1014  *
1015  * @param Element element Element to remove handler from
1016  * @param String remove Event to remove
1017  * @param callable handler Event handler callback to remove
1018  */
1019 function removeHandler( element, remove, handler ) {
1020         if( window.removeEventListener ) {
1021                 element.removeEventListener( remove, handler, false );
1022         } else if( window.detachEvent ) {
1023                 element.detachEvent( 'on' + remove, handler );
1024         }
1025 }
1026 // note: all skins should call runOnloadHook() at the end of html output,
1027 //      so the below should be redundant. It's there just in case.
1028 hookEvent( 'load', runOnloadHook );
1029
1030 if ( ie6_bugs ) {
1031         var isMSIE55 = ( window.showModalDialog && window.clipboardData && window.createPopup );
1032         var doneIETransform;
1033         var doneIEAlphaFix;
1034
1035         if ( document.attachEvent ) {
1036                 document.attachEvent( 'onreadystatechange', hookit );
1037         }
1038
1039         function hookit() {
1040                 if ( !doneIETransform && document.getElementById && document.getElementById( 'bodyContent' ) ) {
1041                         doneIETransform = true;
1042                         relativeforfloats();
1043                         fixalpha();
1044                 }
1045         }
1046
1047         // png alpha transparency fixes
1048         function fixalpha( logoId ) {
1049                 // bg
1050                 if ( isMSIE55 && !doneIEAlphaFix ) {
1051                         var plogo = document.getElementById( logoId || 'p-logo' );
1052                         if ( !plogo ) {
1053                                 return;
1054                         }
1055
1056                         var logoa = plogo.getElementsByTagName('a')[0];
1057                         if ( !logoa ) {
1058                                 return;
1059                         }
1060
1061                         var bg = logoa.currentStyle.backgroundImage;
1062                         var imageUrl = bg.substring( 5, bg.length - 2 );
1063
1064                         doneIEAlphaFix = true;
1065
1066                         if ( imageUrl.substr( imageUrl.length - 4 ).toLowerCase() == '.png' ) {
1067                                 var logospan = logoa.appendChild( document.createElement( 'span' ) );
1068
1069                                 logoa.style.backgroundImage = 'none';
1070                                 logospan.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src=' + imageUrl + ')';
1071                                 logospan.style.height = '100%';
1072                                 logospan.style.position = 'absolute';
1073                                 logospan.style.width = logoa.currentStyle.width;
1074                                 logospan.style.cursor = 'hand';
1075                                 // Center image with hack for IE5.5
1076                                 if ( document.documentElement.dir == 'rtl' ) {
1077                                         logospan.style.right = '50%';
1078                                         logospan.style.setExpression( 'marginRight', '"-" + (this.offsetWidth / 2) + "px"' );
1079                                 } else {
1080                                         logospan.style.left = '50%';
1081                                         logospan.style.setExpression( 'marginLeft', '"-" + (this.offsetWidth / 2) + "px"' );
1082                                 }
1083                                 logospan.style.top = '50%';
1084                                 logospan.style.setExpression( 'marginTop', '"-" + (this.offsetHeight / 2) + "px"' );
1085
1086                                 var linkFix = logoa.appendChild( logoa.cloneNode() );
1087                                 linkFix.style.position = 'absolute';
1088                                 linkFix.style.height = '100%';
1089                                 linkFix.style.width = '100%';
1090                         }
1091                 }
1092         }
1093
1094         // fix ie6 disappering float bug
1095         function relativeforfloats() {
1096                 var bc = document.getElementById( 'bodyContent' );
1097                 if ( bc ) {
1098                         var tables = bc.getElementsByTagName( 'table' );
1099                         var divs = bc.getElementsByTagName( 'div' );
1100                 }
1101                 setrelative( tables );
1102                 setrelative( divs );
1103         }
1104         function setrelative( nodes ) {
1105                 var i = 0;
1106                 while ( i < nodes.length ) {
1107                         if( ( ( nodes[i].style.float && nodes[i].style.float != ( 'none' ) ||
1108                                 ( nodes[i].align && nodes[i].align != ( 'none' ) ) ) &&
1109                                 ( !nodes[i].style.position || nodes[i].style.position != 'relative' ) ) )
1110                         {
1111                                 nodes[i].style.position = 'relative';
1112                         }
1113                         i++;
1114                 }
1115         }
1116
1117         // Expand links for printing
1118         String.prototype.hasClass = function( classWanted ) {
1119                 var classArr = this.split(/\s/);
1120                 for ( var i = 0; i < classArr.length; i++ ) {
1121                         if ( classArr[i].toLowerCase() == classWanted.toLowerCase() ) {
1122                                 return true;
1123                         }
1124                 }
1125                 return false;
1126         }
1127
1128         var expandedURLs;
1129
1130         onbeforeprint = function() {
1131                 expandedURLs = [];
1132
1133                 var contentEl = document.getElementById( 'content' );
1134
1135                 if ( contentEl ) {
1136                         var allLinks = contentEl.getElementsByTagName( 'a' );
1137
1138                         for ( var i = 0; i < allLinks.length; i++ ) {
1139                                 if ( allLinks[i].className.hasClass( 'external' ) && !allLinks[i].className.hasClass( 'free' ) ) {
1140                                         var expandedLink = document.createElement( 'span' );
1141                                         var expandedText = document.createTextNode( ' (' + allLinks[i].href + ')' );
1142                                         expandedLink.appendChild( expandedText );
1143                                         allLinks[i].parentNode.insertBefore( expandedLink, allLinks[i].nextSibling );
1144                                         expandedURLs[i] = expandedLink;
1145                                 }
1146                         }
1147                 }
1148         }
1149
1150         onafterprint = function() {
1151                 for ( var i = 0; i < expandedURLs.length; i++ ) {
1152                         if ( expandedURLs[i] ) {
1153                                 expandedURLs[i].removeNode( true );
1154                         }
1155                 }
1156         }
1157 }