skins/common/wikibits.js

   1 // MediaWiki JavaScript support functions
   2
   3 var clientPC = navigator.userAgent.toLowerCase(); // Get client info
   4 var is_gecko = /gecko/.test( clientPC ) &&
   5         !/khtml|spoofer|netscape\/7\.0/.test(clientPC);
   6 var webkit_match = clientPC.match(/applewebkit\/(\d+)/);
   7 if (webkit_match) {
   8         var is_safari = clientPC.indexOf('applewebkit') != -1 &&
   9                 clientPC.indexOf('spoofer') == -1;
  10         var is_safari_win = is_safari && clientPC.indexOf('windows') != -1;
  11         var webkit_version = parseInt(webkit_match[1]);
  12 }
  13 // For accesskeys; note that FF3+ is included here!
  14 var is_ff2 = /firefox\/[2-9]|minefield\/3/.test( clientPC );
  15 var ff2_bugs = /firefox\/2/.test( clientPC );
  16 // These aren't used here, but some custom scripts rely on them
  17 var is_ff2_win = is_ff2 && clientPC.indexOf('windows') != -1;
  18 var is_ff2_x11 = is_ff2 && clientPC.indexOf('x11') != -1;
  19 if (clientPC.indexOf('opera') != -1) {
  20         var is_opera = true;
  21         var is_opera_preseven = window.opera && !document.childNodes;
  22         var is_opera_seven = window.opera && document.childNodes;
  23         var is_opera_95 = /opera\/(9.[5-9]|[1-9][0-9])/.test( clientPC );
  24         var opera6_bugs = is_opera_preseven;
  25         var opera7_bugs = is_opera_seven && !is_opera_95;
  26         var opera95_bugs = /opera\/(9\.5)/.test( clientPC );
  27 }
  28
  29 // Global external objects used by this script.
  30 /*extern ta, stylepath, skin */
  31
  32 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  33 var doneOnloadHook;
  34
  35 if (!window.onloadFuncts) {
  36         var onloadFuncts = [];
  37 }
  38
  39 //should use mwAddOnloadHook once js2 is enabled
  40 function addOnloadHook(hookFunct) {
  41         // Allows add-on scripts to add onload functions
  42         if(!doneOnloadHook) {
  43                 onloadFuncts[onloadFuncts.length] = hookFunct;
  44         } else {
  45                 hookFunct();  // bug in MSIE script loading
  46         }
  47 }
  48
  49 function hookEvent(hookName, hookFunct) {
  50         addHandler(window, hookName, hookFunct);
  51 }
  52
  53 function importScript(page) {
  54         // TODO: might want to introduce a utility function to match wfUrlencode() in PHP
  55         var uri = wgScript + '?title=' +
  56                 encodeURIComponent(page.replace(/ /g,'_')).replace(/%2F/ig,'/').replace(/%3A/ig,':') +
  57                 '&action=raw&ctype=text/javascript';
  58         return importScriptURI(uri);
  59 }
  60
  61 var loadedScripts = {}; // included-scripts tracker
  62 function importScriptURI(url) {
  63         if (loadedScripts[url]) {
  64                 return null;
  65         }
  66         loadedScripts[url] = true;
  67         var s = document.createElement('script');
  68         s.setAttribute('src',url);
  69         s.setAttribute('type','text/javascript');
  70         document.getElementsByTagName('head')[0].appendChild(s);
  71         return s;
  72 }
  73
  74 function importStylesheet(page) {
  75         return importStylesheetURI(wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent(page.replace(/ /g,'_')));
  76 }
  77
  78 function importStylesheetURI(url,media) {
  79         var l = document.createElement('link');
  80         l.type = 'text/css';
  81         l.rel = 'stylesheet';
  82         l.href = url;
  83         if(media) l.media = media
  84         document.getElementsByTagName('head')[0].appendChild(l);
  85         return l;
  86 }
  87
  88 function appendCSS(text) {
  89         var s = document.createElement('style');
  90         s.type = 'text/css';
  91         s.rel = 'stylesheet';
  92         if (s.styleSheet) s.styleSheet.cssText = text //IE
  93         else s.appendChild(document.createTextNode(text + '')) //Safari sometimes borks on null
  94         document.getElementsByTagName('head')[0].appendChild(s);
  95         return s;
  96 }
  97
  98 // special stylesheet links
  99 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
 100         // FIXME: This tries to load the stylesheets even for skins where they
 101         // don't exist, i.e., everything but Monobook.
 102         if (opera6_bugs) {
 103                 importStylesheetURI(stylepath+'/'+skin+'/Opera6Fixes.css');
 104         } else if (opera7_bugs) {
 105                 importStylesheetURI(stylepath+'/'+skin+'/Opera7Fixes.css');
 106         } else if (opera95_bugs) {
 107                 importStylesheetURI(stylepath+'/'+skin+'/Opera9Fixes.css');
 108         } else if (ff2_bugs) {
 109                 importStylesheetURI(stylepath+'/'+skin+'/FF2Fixes.css');
 110         }
 111 }
 112
 113
 114 if (wgBreakFrames) {
 115         // Un-trap us from framesets
 116         if (window.top != window) {
 117                 window.top.location = window.location;
 118         }
 119 }
 120
 121 function showTocToggle() {
 122         if (document.createTextNode) {
 123                 // Uses DOM calls to avoid document.write + XHTML issues
 124
 125                 var linkHolder = document.getElementById('toctitle');
 126                 var existingLink = document.getElementById('togglelink');
 127                 if (!linkHolder || existingLink) {
 128                         // Don't add the toggle link twice
 129                         return;
 130                 }
 131
 132                 var outerSpan = document.createElement('span');
 133                 outerSpan.className = 'toctoggle';
 134
 135                 var toggleLink = document.createElement('a');
 136                 toggleLink.id = 'togglelink';
 137                 toggleLink.className = 'internal';
 138                 toggleLink.href = 'javascript:toggleToc()';
 139                 toggleLink.appendChild(document.createTextNode(tocHideText));
 140
 141                 outerSpan.appendChild(document.createTextNode('['));
 142                 outerSpan.appendChild(toggleLink);
 143                 outerSpan.appendChild(document.createTextNode(']'));
 144
 145                 linkHolder.appendChild(document.createTextNode(' '));
 146                 linkHolder.appendChild(outerSpan);
 147
 148                 var cookiePos = document.cookie.indexOf("hidetoc=");
 149                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
 150                         toggleToc();
 151                 }
 152         }
 153 }
 154
 155 function changeText(el, newText) {
 156         // Safari work around
 157         if (el.innerText) {
 158                 el.innerText = newText;
 159         } else if (el.firstChild && el.firstChild.nodeValue) {
 160                 el.firstChild.nodeValue = newText;
 161         }
 162 }
 163
 164 function toggleToc() {
 165         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 166         var toggleLink = document.getElementById('togglelink');
 167
 168         if (toc && toggleLink && toc.style.display == 'none') {
 169                 changeText(toggleLink, tocHideText);
 170                 toc.style.display = 'block';
 171                 document.cookie = "hidetoc=0";
 172         } else {
 173                 changeText(toggleLink, tocShowText);
 174                 toc.style.display = 'none';
 175                 document.cookie = "hidetoc=1";
 176         }
 177 }
 178
 179 var mwEditButtons = [];
 180 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 181
 182 function escapeQuotes(text) {
 183         var re = new RegExp("'","g");
 184         text = text.replace(re,"\\'");
 185         re = new RegExp("\\n","g");
 186         text = text.replace(re,"\\n");
 187         return escapeQuotesHTML(text);
 188 }
 189
 190 function escapeQuotesHTML(text) {
 191         var re = new RegExp('&',"g");
 192         text = text.replace(re,"&amp;");
 193         re = new RegExp('"',"g");
 194         text = text.replace(re,"&quot;");
 195         re = new RegExp('<',"g");
 196         text = text.replace(re,"&lt;");
 197         re = new RegExp('>',"g");
 198         text = text.replace(re,"&gt;");
 199         return text;
 200 }
 201
 202
 203 /**
 204  * Set the accesskey prefix based on browser detection.
 205  */
 206 var tooltipAccessKeyPrefix = 'alt-';
 207 if (is_opera) {
 208         tooltipAccessKeyPrefix = 'shift-esc-';
 209 } else if (!is_safari_win && is_safari && webkit_version > 526) {
 210         tooltipAccessKeyPrefix = 'ctrl-alt-';
 211 } else if (!is_safari_win && (is_safari
 212                 || clientPC.indexOf('mac') != -1
 213                 || clientPC.indexOf('konqueror') != -1 )) {
 214         tooltipAccessKeyPrefix = 'ctrl-';
 215 } else if (is_ff2) {
 216         tooltipAccessKeyPrefix = 'alt-shift-';
 217 }
 218 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 219
 220 /**
 221  * Add the appropriate prefix to the accesskey shown in the tooltip.
 222  * If the nodeList parameter is given, only those nodes are updated;
 223  * otherwise, all the nodes that will probably have accesskeys by
 224  * default are updated.
 225  *
 226  * @param Array nodeList -- list of elements to update
 227  */
 228 function updateTooltipAccessKeys( nodeList ) {
 229         if ( !nodeList ) {
 230                 // skins without a "column-one" element don't seem to have links with accesskeys either
 231                 var columnOne = document.getElementById("column-one");
 232                 if ( columnOne )
 233                         updateTooltipAccessKeys( columnOne.getElementsByTagName("a") );
 234                 // these are rare enough that no such optimization is needed
 235                 updateTooltipAccessKeys( document.getElementsByTagName("input") );
 236                 updateTooltipAccessKeys( document.getElementsByTagName("label") );
 237                 return;
 238         }
 239
 240         for ( var i = 0; i < nodeList.length; i++ ) {
 241                 var element = nodeList[i];
 242                 var tip = element.getAttribute("title");
 243                 if ( tip && tooltipAccessKeyRegexp.exec(tip) ) {
 244                         tip = tip.replace(tooltipAccessKeyRegexp,
 245                                           "["+tooltipAccessKeyPrefix+"$5]");
 246                         element.setAttribute("title", tip );
 247                 }
 248         }
 249 }
 250
 251 /**
 252  * Add a link to one of the portlet menus on the page, including:
 253  *
 254  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 255  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 256  * p-navigation: Navigation
 257  * p-tb: Toolbox
 258  *
 259  * This function exists for the convenience of custom JS authors.  All
 260  * but the first three parameters are optional, though providing at
 261  * least an id and a tooltip is recommended.
 262  *
 263  * By default the new link will be added to the end of the list.  To
 264  * add the link before a given existing item, pass the DOM node of
 265  * that item (easily obtained with document.getElementById()) as the
 266  * nextnode parameter; to add the link _after_ an existing item, pass
 267  * the node's nextSibling instead.
 268  *
 269  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 270  * @param String href -- link URL
 271  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 272  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 273  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 274  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 275  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 276  *
 277  * @return Node -- the DOM node of the new item (an LI element) or null
 278  */
 279 function addPortletLink(portlet, href, text, id, tooltip, accesskey, nextnode) {
 280         var node = document.getElementById(portlet);
 281         if ( !node ) return null;
 282         node = node.getElementsByTagName( "ul" )[0];
 283         if ( !node ) return null;
 284
 285         var link = document.createElement( "a" );
 286         link.appendChild( document.createTextNode( text ) );
 287         link.href = href;
 288
 289         var item = document.createElement( "li" );
 290         item.appendChild( link );
 291         if ( id ) item.id = id;
 292
 293         if ( accesskey ) {
 294                 link.setAttribute( "accesskey", accesskey );
 295                 tooltip += " ["+accesskey+"]";
 296         }
 297         if ( tooltip ) {
 298                 link.setAttribute( "title", tooltip );
 299         }
 300         if ( accesskey && tooltip ) {
 301                 updateTooltipAccessKeys( new Array( link ) );
 302         }
 303
 304         if ( nextnode && nextnode.parentNode == node )
 305                 node.insertBefore( item, nextnode );
 306         else
 307                 node.appendChild( item );  // IE compatibility (?)
 308
 309         return item;
 310 }
 311
 312 function getInnerText(el) {
 313         if (typeof el == "string") return el;
 314         if (typeof el == "undefined") { return el };
 315         if (el.textContent) return el.textContent; // not needed but it is faster
 316         if (el.innerText) return el.innerText;     // IE doesn't have textContent
 317         var str = "";
 318
 319         var cs = el.childNodes;
 320         var l = cs.length;
 321         for (var i = 0; i < l; i++) {
 322                 switch (cs[i].nodeType) {
 323                         case 1: //ELEMENT_NODE
 324                                 str += ts_getInnerText(cs[i]);
 325                                 break;
 326                         case 3: //TEXT_NODE
 327                                 str += cs[i].nodeValue;
 328                                 break;
 329                 }
 330         }
 331         return str;
 332 }
 333
 334
 335 /**
 336  * Set up accesskeys/tooltips from the deprecated ta array.  If doId
 337  * is specified, only set up for that id.  Note that this function is
 338  * deprecated and will not be supported indefinitely -- use
 339  * updateTooltipAccessKey() instead.
 340  *
 341  * @param mixed doId string or null
 342  */
 343 function akeytt( doId ) {
 344         // A lot of user scripts (and some of the code below) break if
 345         // ta isn't defined, so we make sure it is.  Explictly using
 346         // window.ta avoids a "ta is not defined" error.
 347         if (!window.ta) window.ta = new Array;
 348
 349         // Make a local, possibly restricted, copy to avoid clobbering
 350         // the original.
 351         var ta;
 352         if ( doId ) {
 353                 ta = [doId];
 354         } else {
 355                 ta = window.ta;
 356         }
 357
 358         // Now deal with evil deprecated ta
 359         var watchCheckboxExists = document.getElementById( 'wpWatchthis' ) ? true : false;
 360         for (var id in ta) {
 361                 var n = document.getElementById(id);
 362                 if (n) {
 363                         var a = null;
 364                         var ak = '';
 365                         // Are we putting accesskey in it
 366                         if (ta[id][0].length > 0) {
 367                                 // Is this object a object? If not assume it's the next child.
 368
 369                                 if (n.nodeName.toLowerCase() == "a") {
 370                                         a = n;
 371                                 } else {
 372                                         a = n.childNodes[0];
 373                                 }
 374                                 // Don't add an accesskey for the watch tab if the watch
 375                                 // checkbox is also available.
 376                                 if (a && ((id != 'ca-watch' && id != 'ca-unwatch') || !watchCheckboxExists)) {
 377                                         a.accessKey = ta[id][0];
 378                                         ak = ' ['+tooltipAccessKeyPrefix+ta[id][0]+']';
 379                                 }
 380                         } else {
 381                                 // We don't care what type the object is when assigning tooltip
 382                                 a = n;
 383                                 ak = '';
 384                         }
 385
 386                         if (a) {
 387                                 a.title = ta[id][1]+ak;
 388                         }
 389                 }
 390         }
 391 }
 392
 393 var checkboxes;
 394 var lastCheckbox;
 395
 396 function setupCheckboxShiftClick() {
 397         checkboxes = [];
 398         lastCheckbox = null;
 399         var inputs = document.getElementsByTagName('input');
 400         addCheckboxClickHandlers(inputs);
 401 }
 402
 403 function addCheckboxClickHandlers(inputs, start) {
 404         if ( !start) start = 0;
 405
 406         var finish = start + 250;
 407         if ( finish > inputs.length )
 408                 finish = inputs.length;
 409
 410         for ( var i = start; i < finish; i++ ) {
 411                 var cb = inputs[i];
 412                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
 413                         continue;
 414                 var end = checkboxes.length;
 415                 checkboxes[end] = cb;
 416                 cb.index = end;
 417                 cb.onclick = checkboxClickHandler;
 418         }
 419
 420         if ( finish < inputs.length ) {
 421                 setTimeout( function () {
 422                         addCheckboxClickHandlers(inputs, finish);
 423                 }, 200 );
 424         }
 425 }
 426
 427 function checkboxClickHandler(e) {
 428         if (typeof e == 'undefined') {
 429                 e = window.event;
 430         }
 431         if ( !e.shiftKey || lastCheckbox === null ) {
 432                 lastCheckbox = this.index;
 433                 return true;
 434         }
 435         var endState = this.checked;
 436         var start, finish;
 437         if ( this.index < lastCheckbox ) {
 438                 start = this.index + 1;
 439                 finish = lastCheckbox;
 440         } else {
 441                 start = lastCheckbox;
 442                 finish = this.index - 1;
 443         }
 444         for (var i = start; i <= finish; ++i ) {
 445                 checkboxes[i].checked = endState;
 446                 if( i > start && typeof checkboxes[i].onchange == 'function' )
 447                         checkboxes[i].onchange(); // fire triggers
 448         }
 449         lastCheckbox = this.index;
 450         return true;
 451 }
 452
 453 function toggle_element_activation(ida,idb) {
 454         if (!document.getElementById) {
 455                 return;
 456         }
 457         //hide and show appropriate upload sizes
 458         if(idb == 'wpUploadFileURL'){
 459                 var e = document.getElementById('mw-upload-maxfilesize');
 460                 if(e) e.style.display = "none";
 461
 462                 var e = document.getElementById('mw-upload-maxfilesize-url');
 463                 if(e) e.style.display = "block";
 464         }
 465         if(idb == 'wpUploadFile'){
 466                 var e = document.getElementById('mw-upload-maxfilesize-url');
 467                 if(e) e.style.display =  "none";
 468
 469                 var e = document.getElementById('mw-upload-maxfilesize');
 470                 if(e) e.style.display =  "block";
 471         }
 472         document.getElementById(ida).disabled = true;
 473         document.getElementById(idb).disabled = false;
 474 }
 475
 476 function toggle_element_check(ida,idb) {
 477         if (!document.getElementById) {
 478                 return;
 479         }
 480         document.getElementById(ida).checked=true;
 481         document.getElementById(idb).checked=false;
 482 }
 483
 484 /*
 485         Written by Jonathan Snook, http://www.snook.ca/jonathan
 486         Add-ons by Robert Nyman, http://www.robertnyman.com
 487         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 488         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 489 */
 490 function getElementsByClassName(oElm, strTagName, oClassNames){
 491         var arrReturnElements = new Array();
 492         if ( typeof( oElm.getElementsByClassName ) == "function" ) {
 493                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 494                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 495                 if ( strTagName == "*" )
 496                         return arrNativeReturn;
 497                 for ( var h=0; h < arrNativeReturn.length; h++ ) {
 498                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() )
 499                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 500                 }
 501                 return arrReturnElements;
 502         }
 503         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 504         var arrRegExpClassNames = new Array();
 505         if(typeof oClassNames == "object"){
 506                 for(var i=0; i<oClassNames.length; i++){
 507                         arrRegExpClassNames[arrRegExpClassNames.length] =
 508                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 509                 }
 510         }
 511         else{
 512                 arrRegExpClassNames[arrRegExpClassNames.length] =
 513                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 514         }
 515         var oElement;
 516         var bMatchesAll;
 517         for(var j=0; j<arrElements.length; j++){
 518                 oElement = arrElements[j];
 519                 bMatchesAll = true;
 520                 for(var k=0; k<arrRegExpClassNames.length; k++){
 521                         if(!arrRegExpClassNames[k].test(oElement.className)){
 522                                 bMatchesAll = false;
 523                                 break;
 524                         }
 525                 }
 526                 if(bMatchesAll){
 527                         arrReturnElements[arrReturnElements.length] = oElement;
 528                 }
 529         }
 530         return (arrReturnElements)
 531 }
 532
 533 function redirectToFragment(fragment) {
 534         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 535         if (match) {
 536                 var webKitVersion = parseInt(match[1]);
 537                 if (webKitVersion < 420) {
 538                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 539                         // Nightlies of 420+ are ok
 540                         return;
 541                 }
 542         }
 543         if (is_gecko) {
 544                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 545                 addOnloadHook(function () {
 546                         if (window.location.hash == "")
 547                                 window.location.hash = fragment;
 548                 });
 549         } else {
 550                 if (window.location.hash == "")
 551                         window.location.hash = fragment;
 552         }
 553 }
 554
 555 /*
 556  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 557  * de Valk:
 558  * http://www.joostdevalk.nl/code/sortable-table/
 559  * http://www.kryogenix.org/code/browser/sorttable/
 560  *
 561  * @todo don't break on colspans/rowspans (bug 8028)
 562  * @todo language-specific digit grouping/decimals (bug 8063)
 563  * @todo support all accepted date formats (bug 8226)
 564  */
 565
 566 var ts_image_path = stylepath+"/common/images/";
 567 var ts_image_up = "sort_up.gif";
 568 var ts_image_down = "sort_down.gif";
 569 var ts_image_none = "sort_none.gif";
 570 var ts_europeandate = wgContentLanguage != "en"; // The non-American-inclined can change to "true"
 571 var ts_alternate_row_colors = false;
 572 var ts_number_transform_table = null;
 573 var ts_number_regex = null;
 574
 575 function sortables_init() {
 576         var idnum = 0;
 577         // Find all tables with class sortable and make them sortable
 578         var tables = getElementsByClassName(document, "table", "sortable");
 579         for (var ti = 0; ti < tables.length ; ti++) {
 580                 if (!tables[ti].id) {
 581                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 582                         ++idnum;
 583                 }
 584                 ts_makeSortable(tables[ti]);
 585         }
 586 }
 587
 588 function ts_makeSortable(table) {
 589         var firstRow;
 590         if (table.rows && table.rows.length > 0) {
 591                 if (table.tHead && table.tHead.rows.length > 0) {
 592                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 593                 } else {
 594                         firstRow = table.rows[0];
 595                 }
 596         }
 597         if (!firstRow) return;
 598
 599         // We have a first row: assume it's the header, and make its contents clickable links
 600         for (var i = 0; i < firstRow.cells.length; i++) {
 601                 var cell = firstRow.cells[i];
 602                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 603                         cell.innerHTML += '&nbsp;&nbsp;'
 604                                 + '<a href="#" class="sortheader" '
 605                                 + 'onclick="ts_resortTable(this);return false;">'
 606                                 + '<span class="sortarrow">'
 607                                 + '<img src="'
 608                                 + ts_image_path
 609                                 + ts_image_none
 610                                 + '" alt="&darr;"/></span></a>';
 611                 }
 612         }
 613         if (ts_alternate_row_colors) {
 614                 ts_alternate(table);
 615         }
 616 }
 617
 618 function ts_getInnerText(el) {
 619         return getInnerText( el );
 620 }
 621
 622 function ts_resortTable(lnk) {
 623         // get the span
 624         var span = lnk.getElementsByTagName('span')[0];
 625
 626         var td = lnk.parentNode;
 627         var tr = td.parentNode;
 628         var column = td.cellIndex;
 629
 630         var table = tr.parentNode;
 631         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table'))
 632                 table = table.parentNode;
 633         if (!table) return;
 634
 635         if (table.rows.length <= 1) return;
 636
 637         // Generate the number transform table if it's not done already
 638         if (ts_number_transform_table == null) {
 639                 ts_initTransformTable();
 640         }
 641
 642         // Work out a type for the column
 643         // Skip the first row if that's where the headings are
 644         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
 645
 646         var itm = "";
 647         for (var i = rowStart; i < table.rows.length; i++) {
 648                 if (table.rows[i].cells.length > column) {
 649                         itm = ts_getInnerText(table.rows[i].cells[column]);
 650                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
 651                         if (itm != "") break;
 652                 }
 653         }
 654
 655         // TODO: bug 8226, localised date formats
 656         var sortfn = ts_sort_generic;
 657         var preprocessor = ts_toLowerCase;
 658         if (/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test(itm)) {
 659                 preprocessor = ts_dateToSortKey;
 660         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test(itm)) {
 661                 preprocessor = ts_dateToSortKey;
 662         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d$/.test(itm)) {
 663                 preprocessor = ts_dateToSortKey;
 664         // pound dollar euro yen currency cents
 665         } else if (/(^[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test(itm)) {
 666                 preprocessor = ts_currencyToSortKey;
 667         } else if (ts_number_regex.test(itm)) {
 668                 preprocessor = ts_parseFloat;
 669         }
 670
 671         var reverse = (span.getAttribute("sortdir") == 'down');
 672
 673         var newRows = new Array();
 674         var staticRows = new Array();
 675         for (var j = rowStart; j < table.rows.length; j++) {
 676                 var row = table.rows[j];
 677                 if((" "+row.className+" ").indexOf(" unsortable ") < 0) {
 678                         var keyText = ts_getInnerText(row.cells[column]);
 679                         var oldIndex = (reverse ? -j : j);
 680                         var preprocessed = preprocessor( keyText );
 681
 682                         newRows[newRows.length] = new Array(row, preprocessed, oldIndex);
 683                 } else staticRows[staticRows.length] = new Array(row, false, j-rowStart);
 684         }
 685
 686         newRows.sort(sortfn);
 687
 688         var arrowHTML;
 689         if (reverse) {
 690                 arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
 691                 newRows.reverse();
 692                 span.setAttribute('sortdir','up');
 693         } else {
 694                 arrowHTML = '<img src="'+ ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 695                 span.setAttribute('sortdir','down');
 696         }
 697
 698         for (var i = 0; i < staticRows.length; i++) {
 699                 var row = staticRows[i];
 700                 newRows.splice(row[2], 0, row);
 701         }
 702
 703         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 704         // don't do sortbottom rows
 705         for (var i = 0; i < newRows.length; i++) {
 706                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") == -1)
 707                         table.tBodies[0].appendChild(newRows[i][0]);
 708         }
 709         // do sortbottom rows only
 710         for (var i = 0; i < newRows.length; i++) {
 711                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
 712                         table.tBodies[0].appendChild(newRows[i][0]);
 713         }
 714
 715         // Delete any other arrows there may be showing
 716         var spans = getElementsByClassName(tr, "span", "sortarrow");
 717         for (var i = 0; i < spans.length; i++) {
 718                 spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
 719         }
 720         span.innerHTML = arrowHTML;
 721
 722         if (ts_alternate_row_colors) {
 723                 ts_alternate(table);
 724         }
 725 }
 726
 727 function ts_initTransformTable() {
 728         if ( typeof wgSeparatorTransformTable == "undefined"
 729                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 730         {
 731                 digitClass = "[0-9,.]";
 732                 ts_number_transform_table = false;
 733         } else {
 734                 ts_number_transform_table = {};
 735                 // Unpack the transform table
 736                 // Separators
 737                 ascii = wgSeparatorTransformTable[0].split("\t");
 738                 localised = wgSeparatorTransformTable[1].split("\t");
 739                 for ( var i = 0; i < ascii.length; i++ ) {
 740                         ts_number_transform_table[localised[i]] = ascii[i];
 741                 }
 742                 // Digits
 743                 ascii = wgDigitTransformTable[0].split("\t");
 744                 localised = wgDigitTransformTable[1].split("\t");
 745                 for ( var i = 0; i < ascii.length; i++ ) {
 746                         ts_number_transform_table[localised[i]] = ascii[i];
 747                 }
 748
 749                 // Construct regex for number identification
 750                 digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 751                 maxDigitLength = 1;
 752                 for ( var digit in ts_number_transform_table ) {
 753                         // Escape regex metacharacters
 754                         digits.push(
 755                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 756                                         function( s ) { return '\\' + s; } )
 757                         );
 758                         if (digit.length > maxDigitLength) {
 759                                 maxDigitLength = digit.length;
 760                         }
 761                 }
 762                 if ( maxDigitLength > 1 ) {
 763                         digitClass = '[' + digits.join( '', digits ) + ']';
 764                 } else {
 765                         digitClass = '(' + digits.join( '|', digits ) + ')';
 766                 }
 767         }
 768
 769         // We allow a trailing percent sign, which we just strip.  This works fine
 770         // if percents and regular numbers aren't being mixed.
 771         ts_number_regex = new RegExp(
 772                 "^(" +
 773                         "[+-]?[0-9][0-9,]*(\\.[0-9,]*)?(E[+-]?[0-9][0-9,]*)?" + // Fortran-style scientific
 774                         "|" +
 775                         "[+-]?" + digitClass + "+%?" + // Generic localised
 776                 ")$", "i"
 777         );
 778 }
 779
 780 function ts_toLowerCase( s ) {
 781         return s.toLowerCase();
 782 }
 783
 784 function ts_dateToSortKey(date) {
 785         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 786         if (date.length == 11) {
 787                 switch (date.substr(3,3).toLowerCase()) {
 788                         case "jan": var month = "01"; break;
 789                         case "feb": var month = "02"; break;
 790                         case "mar": var month = "03"; break;
 791                         case "apr": var month = "04"; break;
 792                         case "may": var month = "05"; break;
 793                         case "jun": var month = "06"; break;
 794                         case "jul": var month = "07"; break;
 795                         case "aug": var month = "08"; break;
 796                         case "sep": var month = "09"; break;
 797                         case "oct": var month = "10"; break;
 798                         case "nov": var month = "11"; break;
 799                         case "dec": var month = "12"; 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
 843         num = parseFloat(s.replace(/,/g, ""));
 844         return (isNaN(num) ? 0 : num);
 845 }
 846
 847 function ts_currencyToSortKey( s ) {
 848         return ts_parseFloat(s.replace(/[^0-9.,]/g,''));
 849 }
 850
 851 function ts_sort_generic(a, b) {
 852         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 853 }
 854
 855 function ts_alternate(table) {
 856         // Take object table and get all it's tbodies.
 857         var tableBodies = table.getElementsByTagName("tbody");
 858         // Loop through these tbodies
 859         for (var i = 0; i < tableBodies.length; i++) {
 860                 // Take the tbody, and get all it's rows
 861                 var tableRows = tableBodies[i].getElementsByTagName("tr");
 862                 // Loop through these rows
 863                 // Start at 1 because we want to leave the heading row untouched
 864                 for (var j = 0; j < tableRows.length; j++) {
 865                         // Check if j is even, and apply classes for both possible results
 866                         var oldClasses = tableRows[j].className.split(" ");
 867                         var newClassName = "";
 868                         for (var k = 0; k < oldClasses.length; k++) {
 869                                 if (oldClasses[k] != "" && oldClasses[k] != "even" && oldClasses[k] != "odd")
 870                                         newClassName += oldClasses[k] + " ";
 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                 messageDiv.appendChild (message); // Append new content
 930         }
 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         akeytt( null );
 979         setupCheckboxShiftClick();
 980         sortables_init();
 981
 982         // Run any added-on functions
 983         for (var i = 0; i < onloadFuncts.length; i++) {
 984                 onloadFuncts[i]();
 985         }
 986 }
 987
 988 /**
 989  * Add an event handler to an element
 990  *
 991  * @param Element element Element to add handler to
 992  * @param String attach Event to attach to
 993  * @param callable handler Event handler callback
 994  */
 995 function addHandler( element, attach, handler ) {
 996         if( window.addEventListener ) {
 997                 element.addEventListener( attach, handler, false );
 998         } else if( window.attachEvent ) {
 999                 element.attachEvent( 'on' + attach, handler );
1000         }
1001 }
1002
1003 /**
1004  * Add a click event handler to an element
1005  *
1006  * @param Element element Element to add handler to
1007  * @param callable handler Event handler callback
1008  */
1009 function addClickHandler( element, handler ) {
1010         addHandler( element, 'click', handler );
1011 }
1012
1013 /**
1014  * Removes an event handler from an element
1015  *
1016  * @param Element element Element to remove handler from
1017  * @param String remove Event to remove
1018  * @param callable handler Event handler callback to remove
1019  */
1020 function removeHandler( element, remove, handler ) {
1021         if( window.removeEventListener ) {
1022                 element.removeEventListener( remove, handler, false );
1023         } else if( window.detachEvent ) {
1024                 element.detachEvent( 'on' + remove, handler );
1025         }
1026 }
1027 //note: all skins should call runOnloadHook() at the end of html output,
1028 //      so the below should be redundant. It's there just in case.
1029 hookEvent("load", runOnloadHook);