skins/common/wikibits.js

   1 // MediaWiki JavaScript support functions
   2
   3 var clientPC = navigator.userAgent.toLowerCase(); // Get client info
   4 var is_gecko = /gecko/.test( clientPC ) &&
   5         !/khtml|spoofer|netscape\/7\.0/.test(clientPC);
   6 var webkit_match = clientPC.match(/applewebkit\/(\d+)/);
   7 if (webkit_match) {
   8         var is_safari = clientPC.indexOf('applewebkit') != -1 &&
   9                 clientPC.indexOf('spoofer') == -1;
  10         var is_safari_win = is_safari && clientPC.indexOf('windows') != -1;
  11         var webkit_version = parseInt(webkit_match[1]);
  12 }
  13 var is_khtml = navigator.vendor == 'KDE' ||
  14         ( document.childNodes && !document.all && !navigator.taintEnabled );
  15 // For accesskeys; note that FF3+ is included here!
  16 var is_ff2 = /firefox\/[2-9]|minefield\/3/.test( clientPC );
  17 var is_ff2_ = /firefox\/2/.test( clientPC );
  18 // These aren't used here, but some custom scripts rely on them
  19 var is_ff2_win = is_ff2 && clientPC.indexOf('windows') != -1;
  20 var is_ff2_x11 = is_ff2 && clientPC.indexOf('x11') != -1;
  21 if (clientPC.indexOf('opera') != -1) {
  22         var is_opera = true;
  23         var is_opera_preseven = window.opera && !document.childNodes;
  24         var is_opera_seven = window.opera && document.childNodes;
  25         var is_opera_95 = /opera\/(9.[5-9]|[1-9][0-9])/.test( clientPC );
  26 }
  27
  28 // Global external objects used by this script.
  29 /*extern ta, stylepath, skin */
  30
  31 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  32 var doneOnloadHook;
  33
  34 if (!window.onloadFuncts) {
  35         var onloadFuncts = [];
  36 }
  37
  38 function addOnloadHook(hookFunct) {
  39         // Allows add-on scripts to add onload functions
  40         if(!doneOnloadHook) {
  41                 onloadFuncts[onloadFuncts.length] = hookFunct;
  42         } else {
  43                 hookFunct();  // bug in MSIE script loading
  44         }
  45 }
  46
  47 function hookEvent(hookName, hookFunct) {
  48         addHandler(window, hookName, hookFunct);
  49 }
  50
  51 function importScript(page) {
  52         // TODO: might want to introduce a utility function to match wfUrlencode() in PHP
  53         var uri = wgScript + '?title=' +
  54                 encodeURIComponent(page.replace(/ /g,'_')).replace(/%2F/ig,'/').replace(/%3A/ig,':') +
  55                 '&action=raw&ctype=text/javascript';
  56         return importScriptURI(uri);
  57 }
  58
  59 var loadedScripts = {}; // included-scripts tracker
  60 function importScriptURI(url) {
  61         if (loadedScripts[url]) {
  62                 return null;
  63         }
  64         loadedScripts[url] = true;
  65         var s = document.createElement('script');
  66         s.setAttribute('src',url);
  67         s.setAttribute('type','text/javascript');
  68         document.getElementsByTagName('head')[0].appendChild(s);
  69         return s;
  70 }
  71
  72 function importStylesheet(page) {
  73         return importStylesheetURI(wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent(page.replace(/ /g,'_')));
  74 }
  75
  76 function importStylesheetURI(url) {
  77         return document.createStyleSheet ? document.createStyleSheet(url) : appendCSS('@import "' + url + '";');
  78 }
  79
  80 function appendCSS(text) {
  81         var s = document.createElement('style');
  82         s.type = 'text/css';
  83         s.rel = 'stylesheet';
  84         if (s.styleSheet) s.styleSheet.cssText = text //IE
  85         else s.appendChild(document.createTextNode(text + '')) //Safari sometimes borks on null
  86         document.getElementsByTagName('head')[0].appendChild(s);
  87         return s;
  88 }
  89
  90 // special stylesheet links
  91 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
  92         if (is_opera_preseven) {
  93                 importStylesheetURI(stylepath+'/'+skin+'/Opera6Fixes.css');
  94         } else if (is_opera_seven && !is_opera_95) {
  95                 importStylesheetURI(stylepath+'/'+skin+'/Opera7Fixes.css');
  96         } else if (is_opera_95) {
  97                 importStylesheetURI(stylepath+'/'+skin+'/Opera9Fixes.css');
  98         } else if (is_khtml) {
  99                 importStylesheetURI(stylepath+'/'+skin+'/KHTMLFixes.css');
 100         } else if (is_ff2_) {
 101                 importStylesheetURI(stylepath+'/'+skin+'/FF2Fixes.css');
 102         }
 103 }
 104
 105 if (wgBreakFrames) {
 106         // Un-trap us from framesets
 107         if (window.top != window) {
 108                 window.top.location = window.location;
 109         }
 110 }
 111
 112 function showTocToggle() {
 113         if (document.createTextNode) {
 114                 // Uses DOM calls to avoid document.write + XHTML issues
 115
 116                 var linkHolder = document.getElementById('toctitle');
 117                 if (!linkHolder) {
 118                         return;
 119                 }
 120
 121                 var outerSpan = document.createElement('span');
 122                 outerSpan.className = 'toctoggle';
 123
 124                 var toggleLink = document.createElement('a');
 125                 toggleLink.id = 'togglelink';
 126                 toggleLink.className = 'internal';
 127                 toggleLink.href = 'javascript:toggleToc()';
 128                 toggleLink.appendChild(document.createTextNode(tocHideText));
 129
 130                 outerSpan.appendChild(document.createTextNode('['));
 131                 outerSpan.appendChild(toggleLink);
 132                 outerSpan.appendChild(document.createTextNode(']'));
 133
 134                 linkHolder.appendChild(document.createTextNode(' '));
 135                 linkHolder.appendChild(outerSpan);
 136
 137                 var cookiePos = document.cookie.indexOf("hidetoc=");
 138                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
 139                         toggleToc();
 140                 }
 141         }
 142 }
 143
 144 function changeText(el, newText) {
 145         // Safari work around
 146         if (el.innerText) {
 147                 el.innerText = newText;
 148         } else if (el.firstChild && el.firstChild.nodeValue) {
 149                 el.firstChild.nodeValue = newText;
 150         }
 151 }
 152
 153 function toggleToc() {
 154         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 155         var toggleLink = document.getElementById('togglelink');
 156
 157         if (toc && toggleLink && toc.style.display == 'none') {
 158                 changeText(toggleLink, tocHideText);
 159                 toc.style.display = 'block';
 160                 document.cookie = "hidetoc=0";
 161         } else {
 162                 changeText(toggleLink, tocShowText);
 163                 toc.style.display = 'none';
 164                 document.cookie = "hidetoc=1";
 165         }
 166 }
 167
 168 var mwEditButtons = [];
 169 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 170
 171 function escapeQuotes(text) {
 172         var re = new RegExp("'","g");
 173         text = text.replace(re,"\\'");
 174         re = new RegExp("\\n","g");
 175         text = text.replace(re,"\\n");
 176         return escapeQuotesHTML(text);
 177 }
 178
 179 function escapeQuotesHTML(text) {
 180         var re = new RegExp('&',"g");
 181         text = text.replace(re,"&amp;");
 182         re = new RegExp('"',"g");
 183         text = text.replace(re,"&quot;");
 184         re = new RegExp('<',"g");
 185         text = text.replace(re,"&lt;");
 186         re = new RegExp('>',"g");
 187         text = text.replace(re,"&gt;");
 188         return text;
 189 }
 190
 191
 192 /**
 193  * Set the accesskey prefix based on browser detection.
 194  */
 195 var tooltipAccessKeyPrefix = 'alt-';
 196 if (is_opera) {
 197         tooltipAccessKeyPrefix = 'shift-esc-';
 198 } else if (!is_safari_win && is_safari && webkit_version > 526) {
 199         tooltipAccessKeyPrefix = 'ctrl-alt-';
 200 } else if (!is_safari_win && (is_safari
 201                 || clientPC.indexOf('mac') != -1
 202                 || clientPC.indexOf('konqueror') != -1 )) {
 203         tooltipAccessKeyPrefix = 'ctrl-';
 204 } else if (is_ff2) {
 205         tooltipAccessKeyPrefix = 'alt-shift-';
 206 }
 207 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 208
 209 /**
 210  * Add the appropriate prefix to the accesskey shown in the tooltip.
 211  * If the nodeList parameter is given, only those nodes are updated;
 212  * otherwise, all the nodes that will probably have accesskeys by
 213  * default are updated.
 214  *
 215  * @param Array nodeList -- list of elements to update
 216  */
 217 function updateTooltipAccessKeys( nodeList ) {
 218         if ( !nodeList ) {
 219                 // skins without a "column-one" element don't seem to have links with accesskeys either
 220                 var columnOne = document.getElementById("column-one");
 221                 if ( columnOne )
 222                         updateTooltipAccessKeys( columnOne.getElementsByTagName("a") );
 223                 // these are rare enough that no such optimization is needed
 224                 updateTooltipAccessKeys( document.getElementsByTagName("input") );
 225                 updateTooltipAccessKeys( document.getElementsByTagName("label") );
 226                 return;
 227         }
 228
 229         for ( var i = 0; i < nodeList.length; i++ ) {
 230                 var element = nodeList[i];
 231                 var tip = element.getAttribute("title");
 232                 if ( tip && tooltipAccessKeyRegexp.exec(tip) ) {
 233                         tip = tip.replace(tooltipAccessKeyRegexp,
 234                                           "["+tooltipAccessKeyPrefix+"$5]");
 235                         element.setAttribute("title", tip );
 236                 }
 237         }
 238 }
 239
 240 /**
 241  * Add a link to one of the portlet menus on the page, including:
 242  *
 243  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 244  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 245  * p-navigation: Navigation
 246  * p-tb: Toolbox
 247  *
 248  * This function exists for the convenience of custom JS authors.  All
 249  * but the first three parameters are optional, though providing at
 250  * least an id and a tooltip is recommended.
 251  *
 252  * By default the new link will be added to the end of the list.  To
 253  * add the link before a given existing item, pass the DOM node of
 254  * that item (easily obtained with document.getElementById()) as the
 255  * nextnode parameter; to add the link _after_ an existing item, pass
 256  * the node's nextSibling instead.
 257  *
 258  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 259  * @param String href -- link URL
 260  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 261  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 262  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 263  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 264  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 265  *
 266  * @return Node -- the DOM node of the new item (an LI element) or null
 267  */
 268 function addPortletLink(portlet, href, text, id, tooltip, accesskey, nextnode) {
 269         var node = document.getElementById(portlet);
 270         if ( !node ) return null;
 271         node = node.getElementsByTagName( "ul" )[0];
 272         if ( !node ) return null;
 273
 274         var link = document.createElement( "a" );
 275         link.appendChild( document.createTextNode( text ) );
 276         link.href = href;
 277
 278         var item = document.createElement( "li" );
 279         item.appendChild( link );
 280         if ( id ) item.id = id;
 281
 282         if ( accesskey ) {
 283                 link.setAttribute( "accesskey", accesskey );
 284                 tooltip += " ["+accesskey+"]";
 285         }
 286         if ( tooltip ) {
 287                 link.setAttribute( "title", tooltip );
 288         }
 289         if ( accesskey && tooltip ) {
 290                 updateTooltipAccessKeys( new Array( link ) );
 291         }
 292
 293         if ( nextnode && nextnode.parentNode == node )
 294                 node.insertBefore( item, nextnode );
 295         else
 296                 node.appendChild( item );  // IE compatibility (?)
 297
 298         return item;
 299 }
 300
 301 function getInnerText(el) {
 302         if (typeof el == "string") return el;
 303         if (typeof el == "undefined") { return el };
 304         if (el.textContent) return el.textContent; // not needed but it is faster
 305         if (el.innerText) return el.innerText;     // IE doesn't have textContent
 306         var str = "";
 307
 308         var cs = el.childNodes;
 309         var l = cs.length;
 310         for (var i = 0; i < l; i++) {
 311                 switch (cs[i].nodeType) {
 312                         case 1: //ELEMENT_NODE
 313                                 str += ts_getInnerText(cs[i]);
 314                                 break;
 315                         case 3: //TEXT_NODE
 316                                 str += cs[i].nodeValue;
 317                                 break;
 318                 }
 319         }
 320         return str;
 321 }
 322
 323
 324 /**
 325  * Set up accesskeys/tooltips from the deprecated ta array.  If doId
 326  * is specified, only set up for that id.  Note that this function is
 327  * deprecated and will not be supported indefinitely -- use
 328  * updateTooltipAccessKey() instead.
 329  *
 330  * @param mixed doId string or null
 331  */
 332 function akeytt( doId ) {
 333         // A lot of user scripts (and some of the code below) break if
 334         // ta isn't defined, so we make sure it is.  Explictly using
 335         // window.ta avoids a "ta is not defined" error.
 336         if (!window.ta) window.ta = new Array;
 337
 338         // Make a local, possibly restricted, copy to avoid clobbering
 339         // the original.
 340         var ta;
 341         if ( doId ) {
 342                 ta = [doId];
 343         } else {
 344                 ta = window.ta;
 345         }
 346
 347         // Now deal with evil deprecated ta
 348         var watchCheckboxExists = document.getElementById( 'wpWatchthis' ) ? true : false;
 349         for (var id in ta) {
 350                 var n = document.getElementById(id);
 351                 if (n) {
 352                         var a = null;
 353                         var ak = '';
 354                         // Are we putting accesskey in it
 355                         if (ta[id][0].length > 0) {
 356                                 // Is this object a object? If not assume it's the next child.
 357
 358                                 if (n.nodeName.toLowerCase() == "a") {
 359                                         a = n;
 360                                 } else {
 361                                         a = n.childNodes[0];
 362                                 }
 363                                 // Don't add an accesskey for the watch tab if the watch
 364                                 // checkbox is also available.
 365                                 if (a && ((id != 'ca-watch' && id != 'ca-unwatch') || !watchCheckboxExists)) {
 366                                         a.accessKey = ta[id][0];
 367                                         ak = ' ['+tooltipAccessKeyPrefix+ta[id][0]+']';
 368                                 }
 369                         } else {
 370                                 // We don't care what type the object is when assigning tooltip
 371                                 a = n;
 372                                 ak = '';
 373                         }
 374
 375                         if (a) {
 376                                 a.title = ta[id][1]+ak;
 377                         }
 378                 }
 379         }
 380 }
 381
 382 var checkboxes;
 383 var lastCheckbox;
 384
 385 function setupCheckboxShiftClick() {
 386         checkboxes = [];
 387         lastCheckbox = null;
 388         var inputs = document.getElementsByTagName('input');
 389         addCheckboxClickHandlers(inputs);
 390 }
 391
 392 function addCheckboxClickHandlers(inputs, start) {
 393         if ( !start) start = 0;
 394
 395         var finish = start + 250;
 396         if ( finish > inputs.length )
 397                 finish = inputs.length;
 398
 399         for ( var i = start; i < finish; i++ ) {
 400                 var cb = inputs[i];
 401                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
 402                         continue;
 403                 var end = checkboxes.length;
 404                 checkboxes[end] = cb;
 405                 cb.index = end;
 406                 cb.onclick = checkboxClickHandler;
 407         }
 408
 409         if ( finish < inputs.length ) {
 410                 setTimeout( function () {
 411                         addCheckboxClickHandlers(inputs, finish);
 412                 }, 200 );
 413         }
 414 }
 415
 416 function checkboxClickHandler(e) {
 417         if (typeof e == 'undefined') {
 418                 e = window.event;
 419         }
 420         if ( !e.shiftKey || lastCheckbox === null ) {
 421                 lastCheckbox = this.index;
 422                 return true;
 423         }
 424         var endState = this.checked;
 425         var start, finish;
 426         if ( this.index < lastCheckbox ) {
 427                 start = this.index + 1;
 428                 finish = lastCheckbox;
 429         } else {
 430                 start = lastCheckbox;
 431                 finish = this.index - 1;
 432         }
 433         for (var i = start; i <= finish; ++i ) {
 434                 checkboxes[i].checked = endState;
 435                 if( i > start && typeof checkboxes[i].onchange == 'function' )
 436                         checkboxes[i].onchange(); // fire triggers
 437         }
 438         lastCheckbox = this.index;
 439         return true;
 440 }
 441
 442 function toggle_element_activation(ida,idb) {
 443         if (!document.getElementById) {
 444                 return;
 445         }
 446         document.getElementById(ida).disabled=true;
 447         document.getElementById(idb).disabled=false;
 448 }
 449
 450 function toggle_element_check(ida,idb) {
 451         if (!document.getElementById) {
 452                 return;
 453         }
 454         document.getElementById(ida).checked=true;
 455         document.getElementById(idb).checked=false;
 456 }
 457
 458 /*
 459         Written by Jonathan Snook, http://www.snook.ca/jonathan
 460         Add-ons by Robert Nyman, http://www.robertnyman.com
 461         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 462         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 463 */
 464 function getElementsByClassName(oElm, strTagName, oClassNames){
 465         var arrReturnElements = new Array();
 466         if ( typeof( oElm.getElementsByClassName ) == "function" ) {
 467                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 468                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 469                 if ( strTagName == "*" )
 470                         return arrNativeReturn;
 471                 for ( var h=0; h < arrNativeReturn.length; h++ ) {
 472                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() )
 473                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 474                 }
 475                 return arrReturnElements;
 476         }
 477         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 478         var arrRegExpClassNames = new Array();
 479         if(typeof oClassNames == "object"){
 480                 for(var i=0; i<oClassNames.length; i++){
 481                         arrRegExpClassNames[arrRegExpClassNames.length] =
 482                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 483                 }
 484         }
 485         else{
 486                 arrRegExpClassNames[arrRegExpClassNames.length] =
 487                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 488         }
 489         var oElement;
 490         var bMatchesAll;
 491         for(var j=0; j<arrElements.length; j++){
 492                 oElement = arrElements[j];
 493                 bMatchesAll = true;
 494                 for(var k=0; k<arrRegExpClassNames.length; k++){
 495                         if(!arrRegExpClassNames[k].test(oElement.className)){
 496                                 bMatchesAll = false;
 497                                 break;
 498                         }
 499                 }
 500                 if(bMatchesAll){
 501                         arrReturnElements[arrReturnElements.length] = oElement;
 502                 }
 503         }
 504         return (arrReturnElements)
 505 }
 506
 507 function redirectToFragment(fragment) {
 508         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 509         if (match) {
 510                 var webKitVersion = parseInt(match[1]);
 511                 if (webKitVersion < 420) {
 512                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 513                         // Nightlies of 420+ are ok
 514                         return;
 515                 }
 516         }
 517         if (is_gecko) {
 518                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 519                 addOnloadHook(function () {
 520                         if (window.location.hash == "")
 521                                 window.location.hash = fragment;
 522                 });
 523         } else {
 524                 if (window.location.hash == "")
 525                         window.location.hash = fragment;
 526         }
 527 }
 528
 529 /*
 530  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 531  * de Valk:
 532  * http://www.joostdevalk.nl/code/sortable-table/
 533  * http://www.kryogenix.org/code/browser/sorttable/
 534  *
 535  * @todo don't break on colspans/rowspans (bug 8028)
 536  * @todo language-specific digit grouping/decimals (bug 8063)
 537  * @todo support all accepted date formats (bug 8226)
 538  */
 539
 540 var ts_image_path = stylepath+"/common/images/";
 541 var ts_image_up = "sort_up.gif";
 542 var ts_image_down = "sort_down.gif";
 543 var ts_image_none = "sort_none.gif";
 544 var ts_europeandate = wgContentLanguage != "en"; // The non-American-inclined can change to "true"
 545 var ts_alternate_row_colors = false;
 546 var ts_number_transform_table = null;
 547 var ts_number_regex = null;
 548
 549 function sortables_init() {
 550         var idnum = 0;
 551         // Find all tables with class sortable and make them sortable
 552         var tables = getElementsByClassName(document, "table", "sortable");
 553         for (var ti = 0; ti < tables.length ; ti++) {
 554                 if (!tables[ti].id) {
 555                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 556                         ++idnum;
 557                 }
 558                 ts_makeSortable(tables[ti]);
 559         }
 560 }
 561
 562 function ts_makeSortable(table) {
 563         var firstRow;
 564         if (table.rows && table.rows.length > 0) {
 565                 if (table.tHead && table.tHead.rows.length > 0) {
 566                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 567                 } else {
 568                         firstRow = table.rows[0];
 569                 }
 570         }
 571         if (!firstRow) return;
 572
 573         // We have a first row: assume it's the header, and make its contents clickable links
 574         for (var i = 0; i < firstRow.cells.length; i++) {
 575                 var cell = firstRow.cells[i];
 576                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 577                         cell.innerHTML += '&nbsp;&nbsp;'
 578                                 + '<a href="#" class="sortheader" '
 579                                 + 'onclick="ts_resortTable(this);return false;">'
 580                                 + '<span class="sortarrow">'
 581                                 + '<img src="'
 582                                 + ts_image_path
 583                                 + ts_image_none
 584                                 + '" alt="&darr;"/></span></a>';
 585                 }
 586         }
 587         if (ts_alternate_row_colors) {
 588                 ts_alternate(table);
 589         }
 590 }
 591
 592 function ts_getInnerText(el) {
 593         return getInnerText( el );
 594 }
 595
 596 function ts_resortTable(lnk) {
 597         // get the span
 598         var span = lnk.getElementsByTagName('span')[0];
 599
 600         var td = lnk.parentNode;
 601         var tr = td.parentNode;
 602         var column = td.cellIndex;
 603
 604         var table = tr.parentNode;
 605         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table'))
 606                 table = table.parentNode;
 607         if (!table) return;
 608
 609         if (table.rows.length <= 1) return;
 610
 611         // Generate the number transform table if it's not done already
 612         if (ts_number_transform_table == null) {
 613                 ts_initTransformTable();
 614         }
 615
 616         // Work out a type for the column
 617         // Skip the first row if that's where the headings are
 618         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
 619
 620         var itm = "";
 621         for (var i = rowStart; i < table.rows.length; i++) {
 622                 if (table.rows[i].cells.length > column) {
 623                         itm = ts_getInnerText(table.rows[i].cells[column]);
 624                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
 625                         if (itm != "") break;
 626                 }
 627         }
 628
 629         // TODO: bug 8226, localised date formats
 630         var sortfn = ts_sort_generic;
 631         var preprocessor = ts_toLowerCase;
 632         if (/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test(itm)) {
 633                 preprocessor = ts_dateToSortKey;
 634         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test(itm)) {
 635                 preprocessor = ts_dateToSortKey;
 636         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d$/.test(itm)) {
 637                 preprocessor = ts_dateToSortKey;
 638         // pound dollar euro yen currency cents
 639         } else if (/(^[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test(itm)) {
 640                 preprocessor = ts_currencyToSortKey;
 641         } else if (ts_number_regex.test(itm)) {
 642                 preprocessor = ts_parseFloat;
 643         }
 644
 645         var reverse = (span.getAttribute("sortdir") == 'down');
 646
 647         var newRows = new Array();
 648         var staticRows = new Array();
 649         for (var j = rowStart; j < table.rows.length; j++) {
 650                 var row = table.rows[j];
 651                 if((" "+row.className+" ").indexOf(" unsortable ") < 0) {
 652                         var keyText = ts_getInnerText(row.cells[column]);
 653                         var oldIndex = (reverse ? -j : j);
 654                         var preprocessed = preprocessor( keyText );
 655
 656                         newRows[newRows.length] = new Array(row, preprocessed, oldIndex);
 657                 } else staticRows[staticRows.length] = new Array(row, false, j-rowStart);
 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         // do sortbottom rows only
 684         for (var i = 0; i < newRows.length; i++) {
 685                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
 686                         table.tBodies[0].appendChild(newRows[i][0]);
 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                         "[+-]?[0-9][0-9,]*(\\.[0-9,]*)?(E[+-]?[0-9][0-9,]*)?" + // Fortran-style scientific
 748                         "|" +
 749                         "[+-]?" + 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": var month = "01"; break;
 763                         case "feb": var month = "02"; break;
 764                         case "mar": var month = "03"; break;
 765                         case "apr": var month = "04"; break;
 766                         case "may": var month = "05"; break;
 767                         case "jun": var month = "06"; break;
 768                         case "jul": var month = "07"; break;
 769                         case "aug": var month = "08"; break;
 770                         case "sep": var month = "09"; break;
 771                         case "oct": var month = "10"; break;
 772                         case "nov": var month = "11"; break;
 773                         case "dec": var month = "12"; break;
 774                         // default: var month = "00";
 775                 }
 776                 return date.substr(7,4)+month+date.substr(0,2);
 777         } else if (date.length == 10) {
 778                 if (ts_europeandate == false) {
 779                         return date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
 780                 } else {
 781                         return date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
 782                 }
 783         } else if (date.length == 8) {
 784                 yr = date.substr(6,2);
 785                 if (parseInt(yr) < 50) {
 786                         yr = '20'+yr;
 787                 } else {
 788                         yr = '19'+yr;
 789                 }
 790                 if (ts_europeandate == true) {
 791                         return yr+date.substr(3,2)+date.substr(0,2);
 792                 } else {
 793                         return yr+date.substr(0,2)+date.substr(3,2);
 794                 }
 795         }
 796         return "00000000";
 797 }
 798
 799 function ts_parseFloat( s ) {
 800         if ( !s ) {
 801                 return 0;
 802         }
 803         if (ts_number_transform_table != false) {
 804                 var newNum = '', c;
 805
 806                 for ( var p = 0; p < s.length; p++ ) {
 807                         c = s.charAt( p );
 808                         if (c in ts_number_transform_table) {
 809                                 newNum += ts_number_transform_table[c];
 810                         } else {
 811                                 newNum += c;
 812                         }
 813                 }
 814                 s = newNum;
 815         }
 816
 817         num = parseFloat(s.replace(/,/g, ""));
 818         return (isNaN(num) ? 0 : num);
 819 }
 820
 821 function ts_currencyToSortKey( s ) {
 822         return ts_parseFloat(s.replace(/[^0-9.,]/g,''));
 823 }
 824
 825 function ts_sort_generic(a, b) {
 826         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 827 }
 828
 829 function ts_alternate(table) {
 830         // Take object table and get all it's tbodies.
 831         var tableBodies = table.getElementsByTagName("tbody");
 832         // Loop through these tbodies
 833         for (var i = 0; i < tableBodies.length; i++) {
 834                 // Take the tbody, and get all it's rows
 835                 var tableRows = tableBodies[i].getElementsByTagName("tr");
 836                 // Loop through these rows
 837                 // Start at 1 because we want to leave the heading row untouched
 838                 for (var j = 0; j < tableRows.length; j++) {
 839                         // Check if j is even, and apply classes for both possible results
 840                         var oldClasses = tableRows[j].className.split(" ");
 841                         var newClassName = "";
 842                         for (var k = 0; k < oldClasses.length; k++) {
 843                                 if (oldClasses[k] != "" && oldClasses[k] != "even" && oldClasses[k] != "odd")
 844                                         newClassName += oldClasses[k] + " ";
 845                         }
 846                         tableRows[j].className = newClassName + (j % 2 == 0 ? "even" : "odd");
 847                 }
 848         }
 849 }
 850
 851 /*
 852  * End of table sorting code
 853  */
 854
 855
 856 /**
 857  * Add a cute little box at the top of the screen to inform the user of
 858  * something, replacing any preexisting message.
 859  *
 860  * @param String -or- Dom Object message HTML to be put inside the right div
 861  * @param String className   Used in adding a class; should be different for each
 862  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 863  * @return Boolean       True on success, false on failure
 864  */
 865 function jsMsg( message, className ) {
 866         if ( !document.getElementById ) {
 867                 return false;
 868         }
 869         // We special-case skin structures provided by the software.  Skins that
 870         // choose to abandon or significantly modify our formatting can just define
 871         // an mw-js-message div to start with.
 872         var messageDiv = document.getElementById( 'mw-js-message' );
 873         if ( !messageDiv ) {
 874                 messageDiv = document.createElement( 'div' );
 875                 if ( document.getElementById( 'column-content' )
 876                 && document.getElementById( 'content' ) ) {
 877                         // MonoBook, presumably
 878                         document.getElementById( 'content' ).insertBefore(
 879                                 messageDiv,
 880                                 document.getElementById( 'content' ).firstChild
 881                         );
 882                 } else if ( document.getElementById('content')
 883                 && document.getElementById( 'article' ) ) {
 884                         // Non-Monobook but still recognizable (old-style)
 885                         document.getElementById( 'article').insertBefore(
 886                                 messageDiv,
 887                                 document.getElementById( 'article' ).firstChild
 888                         );
 889                 } else {
 890                         return false;
 891                 }
 892         }
 893
 894         messageDiv.setAttribute( 'id', 'mw-js-message' );
 895         messageDiv.style.display = 'block';
 896         if( className ) {
 897                 messageDiv.setAttribute( 'class', 'mw-js-message-'+className );
 898         }
 899
 900         if (typeof message === 'object') {
 901                 while (messageDiv.hasChildNodes()) // Remove old content
 902                         messageDiv.removeChild(messageDiv.firstChild);
 903                 messageDiv.appendChild (message); // Append new content
 904         }
 905         else {
 906                 messageDiv.innerHTML = message;
 907         }
 908         return true;
 909 }
 910
 911 /**
 912  * Inject a cute little progress spinner after the specified element
 913  *
 914  * @param element Element to inject after
 915  * @param id Identifier string (for use with removeSpinner(), below)
 916  */
 917 function injectSpinner( element, id ) {
 918         var spinner = document.createElement( "img" );
 919         spinner.id = "mw-spinner-" + id;
 920         spinner.src = stylepath + "/common/images/spinner.gif";
 921         spinner.alt = spinner.title = "...";
 922         if( element.nextSibling ) {
 923                 element.parentNode.insertBefore( spinner, element.nextSibling );
 924         } else {
 925                 element.parentNode.appendChild( spinner );
 926         }
 927 }
 928
 929 /**
 930  * Remove a progress spinner added with injectSpinner()
 931  *
 932  * @param id Identifier string
 933  */
 934 function removeSpinner( id ) {
 935         var spinner = document.getElementById( "mw-spinner-" + id );
 936         if( spinner ) {
 937                 spinner.parentNode.removeChild( spinner );
 938         }
 939 }
 940
 941 function runOnloadHook() {
 942         // don't run anything below this for non-dom browsers
 943         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
 944                 return;
 945         }
 946
 947         // set this before running any hooks, since any errors below
 948         // might cause the function to terminate prematurely
 949         doneOnloadHook = true;
 950
 951         updateTooltipAccessKeys( null );
 952         akeytt( null );
 953         setupCheckboxShiftClick();
 954         sortables_init();
 955
 956         // Run any added-on functions
 957         for (var i = 0; i < onloadFuncts.length; i++) {
 958                 onloadFuncts[i]();
 959         }
 960 }
 961
 962 /**
 963  * Add an event handler to an element
 964  *
 965  * @param Element element Element to add handler to
 966  * @param String attach Event to attach to
 967  * @param callable handler Event handler callback
 968  */
 969 function addHandler( element, attach, handler ) {
 970         if( window.addEventListener ) {
 971                 element.addEventListener( attach, handler, false );
 972         } else if( window.attachEvent ) {
 973                 element.attachEvent( 'on' + attach, handler );
 974         }
 975 }
 976
 977 /**
 978  * Add a click event handler to an element
 979  *
 980  * @param Element element Element to add handler to
 981  * @param callable handler Event handler callback
 982  */
 983 function addClickHandler( element, handler ) {
 984         addHandler( element, 'click', handler );
 985 }
 986
 987 /**
 988  * Removes an event handler from an element
 989  *
 990  * @param Element element Element to remove handler from
 991  * @param String remove Event to remove
 992  * @param callable handler Event handler callback to remove
 993  */
 994 function removeHandler( element, remove, handler ) {
 995         if( window.removeEventListener ) {
 996                 element.removeEventListener( remove, handler, false );
 997         } else if( window.detachEvent ) {
 998                 element.detachEvent( 'on' + remove, handler );
 999         }
1000 }
1001 //note: all skins should call runOnloadHook() at the end of html output,
1002 //      so the below should be redundant. It's there just in case.
1003 hookEvent("load", runOnloadHook);