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 is_safari = clientPC.indexOf('applewebkit') != -1 &&
   7         clientPC.indexOf('spoofer') == -1;
   8 var is_khtml = navigator.vendor == 'KDE' ||
   9         ( document.childNodes && !document.all && !navigator.taintEnabled );
  10 // For accesskeys; note that FF3+ is included here!
  11 var is_ff2 = /firefox\/[2-9]|minefield\/3/.test( clientPC );
  12 // These aren't used here, but some custom scripts rely on them
  13 var is_ff2_win = is_ff2 && clientPC.indexOf('windows') != -1;
  14 var is_ff2_x11 = is_ff2 && clientPC.indexOf('x11') != -1;
  15 if (clientPC.indexOf('opera') != -1) {
  16         var is_opera = true;
  17         var is_opera_preseven = window.opera && !document.childNodes;
  18         var is_opera_seven = window.opera && document.childNodes;
  19         var is_opera_95 = /opera\/(9.[5-9]|[1-9][0-9])/.test( clientPC );
  20 }
  21
  22 // Global external objects used by this script.
  23 /*extern ta, stylepath, skin */
  24
  25 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  26 var doneOnloadHook;
  27
  28 if (!window.onloadFuncts) {
  29         var onloadFuncts = [];
  30 }
  31
  32 function addOnloadHook(hookFunct) {
  33         // Allows add-on scripts to add onload functions
  34         onloadFuncts[onloadFuncts.length] = hookFunct;
  35 }
  36
  37 function hookEvent(hookName, hookFunct) {
  38         if (window.addEventListener) {
  39                 window.addEventListener(hookName, hookFunct, false);
  40         } else if (window.attachEvent) {
  41                 window.attachEvent("on" + hookName, hookFunct);
  42         }
  43 }
  44
  45 // document.write special stylesheet links
  46 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
  47         if (is_opera_preseven) {
  48                 document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/Opera6Fixes.css">');
  49         } else if (is_opera_seven && !is_opera_95) {
  50                 document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/Opera7Fixes.css">');
  51         } else if (is_khtml) {
  52                 document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/KHTMLFixes.css">');
  53         }
  54 }
  55
  56 if (wgBreakFrames) {
  57         // Un-trap us from framesets
  58         if (window.top != window) {
  59                 window.top.location = window.location;
  60         }
  61 }
  62
  63 // for enhanced RecentChanges
  64 function toggleVisibility(_levelId, _otherId, _linkId) {
  65         var thisLevel = document.getElementById(_levelId);
  66         var otherLevel = document.getElementById(_otherId);
  67         var linkLevel = document.getElementById(_linkId);
  68         if (thisLevel.style.display == 'none') {
  69                 thisLevel.style.display = 'block';
  70                 otherLevel.style.display = 'none';
  71                 linkLevel.style.display = 'inline';
  72         } else {
  73                 thisLevel.style.display = 'none';
  74                 otherLevel.style.display = 'inline';
  75                 linkLevel.style.display = 'none';
  76         }
  77 }
  78
  79 function showTocToggle() {
  80         if (document.createTextNode) {
  81                 // Uses DOM calls to avoid document.write + XHTML issues
  82
  83                 var linkHolder = document.getElementById('toctitle');
  84                 if (!linkHolder) {
  85                         return;
  86                 }
  87
  88                 var outerSpan = document.createElement('span');
  89                 outerSpan.className = 'toctoggle';
  90
  91                 var toggleLink = document.createElement('a');
  92                 toggleLink.id = 'togglelink';
  93                 toggleLink.className = 'internal';
  94                 toggleLink.href = 'javascript:toggleToc()';
  95                 toggleLink.appendChild(document.createTextNode(tocHideText));
  96
  97                 outerSpan.appendChild(document.createTextNode('['));
  98                 outerSpan.appendChild(toggleLink);
  99                 outerSpan.appendChild(document.createTextNode(']'));
 100
 101                 linkHolder.appendChild(document.createTextNode(' '));
 102                 linkHolder.appendChild(outerSpan);
 103
 104                 var cookiePos = document.cookie.indexOf("hidetoc=");
 105                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
 106                         toggleToc();
 107                 }
 108         }
 109 }
 110
 111 function changeText(el, newText) {
 112         // Safari work around
 113         if (el.innerText) {
 114                 el.innerText = newText;
 115         } else if (el.firstChild && el.firstChild.nodeValue) {
 116                 el.firstChild.nodeValue = newText;
 117         }
 118 }
 119
 120 function toggleToc() {
 121         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 122         var toggleLink = document.getElementById('togglelink');
 123
 124         if (toc && toggleLink && toc.style.display == 'none') {
 125                 changeText(toggleLink, tocHideText);
 126                 toc.style.display = 'block';
 127                 document.cookie = "hidetoc=0";
 128         } else {
 129                 changeText(toggleLink, tocShowText);
 130                 toc.style.display = 'none';
 131                 document.cookie = "hidetoc=1";
 132         }
 133 }
 134
 135 var mwEditButtons = [];
 136 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 137
 138 // this function generates the actual toolbar buttons with localized text
 139 // we use it to avoid creating the toolbar where javascript is not enabled
 140 function addButton(imageFile, speedTip, tagOpen, tagClose, sampleText, imageId) {
 141         // Don't generate buttons for browsers which don't fully
 142         // support it.
 143         mwEditButtons[mwEditButtons.length] =
 144                 {"imageId": imageId,
 145                  "imageFile": imageFile,
 146                  "speedTip": speedTip,
 147                  "tagOpen": tagOpen,
 148                  "tagClose": tagClose,
 149                  "sampleText": sampleText};
 150 }
 151
 152 // this function generates the actual toolbar buttons with localized text
 153 // we use it to avoid creating the toolbar where javascript is not enabled
 154 function mwInsertEditButton(parent, item) {
 155         var image = document.createElement("img");
 156         image.width = 23;
 157         image.height = 22;
 158         image.className = "mw-toolbar-editbutton";
 159         if (item.imageId) image.id = item.imageId;
 160         image.src = item.imageFile;
 161         image.border = 0;
 162         image.alt = item.speedTip;
 163         image.title = item.speedTip;
 164         image.style.cursor = "pointer";
 165         image.onclick = function() {
 166                 insertTags(item.tagOpen, item.tagClose, item.sampleText);
 167                 return false;
 168         };
 169
 170         parent.appendChild(image);
 171         return true;
 172 }
 173
 174 function mwSetupToolbar() {
 175         var toolbar = document.getElementById('toolbar');
 176         if (!toolbar) { return false; }
 177
 178         var textbox = document.getElementById('wpTextbox1');
 179         if (!textbox) { return false; }
 180
 181         // Don't generate buttons for browsers which don't fully
 182         // support it.
 183         if (!(document.selection && document.selection.createRange)
 184                 && textbox.selectionStart === null) {
 185                 return false;
 186         }
 187
 188         for (var i = 0; i < mwEditButtons.length; i++) {
 189                 mwInsertEditButton(toolbar, mwEditButtons[i]);
 190         }
 191         for (var i = 0; i < mwCustomEditButtons.length; i++) {
 192                 mwInsertEditButton(toolbar, mwCustomEditButtons[i]);
 193         }
 194         return true;
 195 }
 196
 197 function escapeQuotes(text) {
 198         var re = new RegExp("'","g");
 199         text = text.replace(re,"\\'");
 200         re = new RegExp("\\n","g");
 201         text = text.replace(re,"\\n");
 202         return escapeQuotesHTML(text);
 203 }
 204
 205 function escapeQuotesHTML(text) {
 206         var re = new RegExp('&',"g");
 207         text = text.replace(re,"&amp;");
 208         re = new RegExp('"',"g");
 209         text = text.replace(re,"&quot;");
 210         re = new RegExp('<',"g");
 211         text = text.replace(re,"&lt;");
 212         re = new RegExp('>',"g");
 213         text = text.replace(re,"&gt;");
 214         return text;
 215 }
 216
 217 // apply tagOpen/tagClose to selection in textarea,
 218 // use sampleText instead of selection if there is none
 219 function insertTags(tagOpen, tagClose, sampleText) {
 220         var txtarea;
 221         if (document.editform) {
 222                 txtarea = document.editform.wpTextbox1;
 223         } else {
 224                 // some alternate form? take the first one we can find
 225                 var areas = document.getElementsByTagName('textarea');
 226                 txtarea = areas[0];
 227         }
 228         var selText, isSample = false;
 229
 230         if (document.selection  && document.selection.createRange) { // IE/Opera
 231
 232                 //save window scroll position
 233                 if (document.documentElement && document.documentElement.scrollTop)
 234                         var winScroll = document.documentElement.scrollTop
 235                 else if (document.body)
 236                         var winScroll = document.body.scrollTop;
 237                 //get current selection
 238                 txtarea.focus();
 239                 var range = document.selection.createRange();
 240                 selText = range.text;
 241                 //insert tags
 242                 checkSelectedText();
 243                 range.text = tagOpen + selText + tagClose;
 244                 //mark sample text as selected
 245                 if (isSample && range.moveStart) {
 246                         if (window.opera)
 247                                 tagClose = tagClose.replace(/\n/g,'');
 248                         range.moveStart('character', - tagClose.length - selText.length);
 249                         range.moveEnd('character', - tagClose.length);
 250                 }
 251                 range.select();
 252                 //restore window scroll position
 253                 if (document.documentElement && document.documentElement.scrollTop)
 254                         document.documentElement.scrollTop = winScroll
 255                 else if (document.body)
 256                         document.body.scrollTop = winScroll;
 257
 258         } else if (txtarea.selectionStart || txtarea.selectionStart == '0') { // Mozilla
 259
 260                 //save textarea scroll position
 261                 var textScroll = txtarea.scrollTop;
 262                 //get current selection
 263                 txtarea.focus();
 264                 var startPos = txtarea.selectionStart;
 265                 var endPos = txtarea.selectionEnd;
 266                 selText = txtarea.value.substring(startPos, endPos);
 267                 //insert tags
 268                 checkSelectedText();
 269                 txtarea.value = txtarea.value.substring(0, startPos)
 270                         + tagOpen + selText + tagClose
 271                         + txtarea.value.substring(endPos, txtarea.value.length);
 272                 //set new selection
 273                 if (isSample) {
 274                         txtarea.selectionStart = startPos + tagOpen.length;
 275                         txtarea.selectionEnd = startPos + tagOpen.length + selText.length;
 276                 } else {
 277                         txtarea.selectionStart = startPos + tagOpen.length + selText.length + tagClose.length;
 278                         txtarea.selectionEnd = txtarea.selectionStart;
 279                 }
 280                 //restore textarea scroll position
 281                 txtarea.scrollTop = textScroll;
 282         }
 283
 284         function checkSelectedText(){
 285                 if (!selText) {
 286                         selText = sampleText;
 287                         isSample = true;
 288                 } else if (selText.charAt(selText.length - 1) == ' ') { //exclude ending space char
 289                         selText = selText.substring(0, selText.length - 1);
 290                         tagClose += ' '
 291                 }
 292         }
 293
 294 }
 295
 296
 297 /**
 298  * Set the accesskey prefix based on browser detection.
 299  */
 300 var tooltipAccessKeyPrefix = 'alt-';
 301 if (is_opera) {
 302         tooltipAccessKeyPrefix = 'shift-esc-';
 303 } else if (is_safari
 304            || navigator.userAgent.toLowerCase().indexOf('mac') != -1
 305            || navigator.userAgent.toLowerCase().indexOf('konqueror') != -1 ) {
 306         tooltipAccessKeyPrefix = 'ctrl-';
 307 } else if (is_ff2) {
 308         tooltipAccessKeyPrefix = 'alt-shift-';
 309 }
 310 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?.\]$/;
 311
 312 /**
 313  * Add the appropriate prefix to the accesskey shown in the tooltip.
 314  * If the nodeList parameter is given, only those nodes are updated;
 315  * otherwise, all the nodes that will probably have accesskeys by
 316  * default are updated.
 317  *
 318  * @param Array nodeList -- list of elements to update
 319  */
 320 function updateTooltipAccessKeys( nodeList ) {
 321         if ( !nodeList ) {
 322                 // skins without a "column-one" element don't seem to have links with accesskeys either
 323                 var columnOne = document.getElementById("column-one");
 324                 if ( columnOne )
 325                         updateTooltipAccessKeys( columnOne.getElementsByTagName("a") );
 326                 // these are rare enough that no such optimization is needed
 327                 updateTooltipAccessKeys( document.getElementsByTagName("input") );
 328                 updateTooltipAccessKeys( document.getElementsByTagName("label") );
 329                 return;
 330         }
 331
 332         for ( var i = 0; i < nodeList.length; i++ ) {
 333                 var element = nodeList[i];
 334                 var tip = element.getAttribute("title");
 335                 var key = element.getAttribute("accesskey");
 336                 if ( key && tooltipAccessKeyRegexp.exec(tip) ) {
 337                         tip = tip.replace(tooltipAccessKeyRegexp,
 338                                           "["+tooltipAccessKeyPrefix+key+"]");
 339                         element.setAttribute("title", tip );
 340                 }
 341         }
 342 }
 343
 344 /**
 345  * Add a link to one of the portlet menus on the page, including:
 346  *
 347  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 348  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 349  * p-navigation: Navigation
 350  * p-tb: Toolbox
 351  *
 352  * This function exists for the convenience of custom JS authors.  All
 353  * but the first three parameters are optional, though providing at
 354  * least an id and a tooltip is recommended.
 355  *
 356  * By default the new link will be added to the end of the list.  To
 357  * add the link before a given existing item, pass the DOM node of
 358  * that item (easily obtained with document.getElementById()) as the
 359  * nextnode parameter; to add the link _after_ an existing item, pass
 360  * the node's nextSibling instead.
 361  *
 362  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 363  * @param String href -- link URL
 364  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 365  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 366  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 367  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 368  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 369  *
 370  * @return Node -- the DOM node of the new item (an LI element) or null
 371  */
 372 function addPortletLink(portlet, href, text, id, tooltip, accesskey, nextnode) {
 373         var node = document.getElementById(portlet);
 374         if ( !node ) return null;
 375         node = node.getElementsByTagName( "ul" )[0];
 376         if ( !node ) return null;
 377
 378         var link = document.createElement( "a" );
 379         link.appendChild( document.createTextNode( text ) );
 380         link.href = href;
 381
 382         var item = document.createElement( "li" );
 383         item.appendChild( link );
 384         if ( id ) item.id = id;
 385
 386         if ( accesskey ) {
 387                 link.setAttribute( "accesskey", accesskey );
 388                 tooltip += " ["+accesskey+"]";
 389         }
 390         if ( tooltip ) {
 391                 link.setAttribute( "title", tooltip );
 392         }
 393         if ( accesskey && tooltip ) {
 394                 updateTooltipAccessKeys( new Array( link ) );
 395         }
 396
 397         if ( nextnode && nextnode.parentNode == node )
 398                 node.insertBefore( item, nextnode );
 399         else
 400                 node.appendChild( item );  // IE compatibility (?)
 401
 402         return item;
 403 }
 404
 405
 406 /**
 407  * Set up accesskeys/tooltips from the deprecated ta array.  If doId
 408  * is specified, only set up for that id.  Note that this function is
 409  * deprecated and will not be supported indefinitely -- use
 410  * updateTooltipAccessKey() instead.
 411  *
 412  * @param mixed doId string or null
 413  */
 414 function akeytt( doId ) {
 415         // A lot of user scripts (and some of the code below) break if
 416         // ta isn't defined, so we make sure it is.  Explictly using
 417         // window.ta avoids a "ta is not defined" error.
 418         if (!window.ta) window.ta = new Array;
 419
 420         // Make a local, possibly restricted, copy to avoid clobbering
 421         // the original.
 422         var ta;
 423         if ( doId ) {
 424                 ta = [doId];
 425         } else {
 426                 ta = window.ta;
 427         }
 428
 429         // Now deal with evil deprecated ta
 430         var watchCheckboxExists = document.getElementById( 'wpWatchthis' ) ? true : false;
 431         for (var id in ta) {
 432                 var n = document.getElementById(id);
 433                 if (n) {
 434                         var a = null;
 435                         var ak = '';
 436                         // Are we putting accesskey in it
 437                         if (ta[id][0].length > 0) {
 438                                 // Is this object a object? If not assume it's the next child.
 439
 440                                 if (n.nodeName.toLowerCase() == "a") {
 441                                         a = n;
 442                                 } else {
 443                                         a = n.childNodes[0];
 444                                 }
 445                                 // Don't add an accesskey for the watch tab if the watch
 446                                 // checkbox is also available.
 447                                 if (a && ((id != 'ca-watch' && id != 'ca-unwatch') || !watchCheckboxExists)) {
 448                                         a.accessKey = ta[id][0];
 449                                         ak = ' ['+tooltipAccessKeyPrefix+ta[id][0]+']';
 450                                 }
 451                         } else {
 452                                 // We don't care what type the object is when assigning tooltip
 453                                 a = n;
 454                                 ak = '';
 455                         }
 456
 457                         if (a) {
 458                                 a.title = ta[id][1]+ak;
 459                         }
 460                 }
 461         }
 462 }
 463
 464 var checkboxes;
 465 var lastCheckbox;
 466
 467 function setupCheckboxShiftClick() {
 468         checkboxes = [];
 469         lastCheckbox = null;
 470         var inputs = document.getElementsByTagName('input');
 471         addCheckboxClickHandlers(inputs);
 472 }
 473
 474 function addCheckboxClickHandlers(inputs, start) {
 475         if ( !start) start = 0;
 476
 477         var finish = start + 250;
 478         if ( finish > inputs.length )
 479                 finish = inputs.length;
 480
 481         for ( var i = start; i < finish; i++ ) {
 482                 var cb = inputs[i];
 483                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
 484                         continue;
 485                 var end = checkboxes.length;
 486                 checkboxes[end] = cb;
 487                 cb.index = end;
 488                 cb.onclick = checkboxClickHandler;
 489         }
 490
 491         if ( finish < inputs.length ) {
 492                 setTimeout( function () {
 493                         addCheckboxClickHandlers(inputs, finish);
 494                 }, 200 );
 495         }
 496 }
 497
 498 function checkboxClickHandler(e) {
 499         if (typeof e == 'undefined') {
 500                 e = window.event;
 501         }
 502         if ( !e.shiftKey || lastCheckbox === null ) {
 503                 lastCheckbox = this.index;
 504                 return true;
 505         }
 506         var endState = this.checked;
 507         var start, finish;
 508         if ( this.index < lastCheckbox ) {
 509                 start = this.index + 1;
 510                 finish = lastCheckbox;
 511         } else {
 512                 start = lastCheckbox;
 513                 finish = this.index - 1;
 514         }
 515         for (var i = start; i <= finish; ++i ) {
 516                 checkboxes[i].checked = endState;
 517         }
 518         lastCheckbox = this.index;
 519         return true;
 520 }
 521
 522 function toggle_element_activation(ida,idb) {
 523         if (!document.getElementById) {
 524                 return;
 525         }
 526         document.getElementById(ida).disabled=true;
 527         document.getElementById(idb).disabled=false;
 528 }
 529
 530 function toggle_element_check(ida,idb) {
 531         if (!document.getElementById) {
 532                 return;
 533         }
 534         document.getElementById(ida).checked=true;
 535         document.getElementById(idb).checked=false;
 536 }
 537
 538 /**
 539  * Restore the edit box scroll state following a preview operation,
 540  * and set up a form submission handler to remember this state
 541  */
 542 function scrollEditBox() {
 543         var editBox = document.getElementById( 'wpTextbox1' );
 544         var scrollTop = document.getElementById( 'wpScrolltop' );
 545         var editForm = document.getElementById( 'editform' );
 546         if( editBox && scrollTop ) {
 547                 if( scrollTop.value )
 548                         editBox.scrollTop = scrollTop.value;
 549                 addHandler( editForm, 'submit', function() {
 550                         document.getElementById( 'wpScrolltop' ).value = document.getElementById( 'wpTextbox1' ).scrollTop;
 551                 } );
 552         }
 553 }
 554 hookEvent( 'load', scrollEditBox );
 555
 556 /*
 557         Written by Jonathan Snook, http://www.snook.ca/jonathan
 558         Add-ons by Robert Nyman, http://www.robertnyman.com
 559         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 560         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 561 */
 562 function getElementsByClassName(oElm, strTagName, oClassNames){
 563         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 564         var arrReturnElements = new Array();
 565         var arrRegExpClassNames = new Array();
 566         if(typeof oClassNames == "object"){
 567                 for(var i=0; i<oClassNames.length; i++){
 568                         arrRegExpClassNames[arrRegExpClassNames.length] =
 569                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 570                 }
 571         }
 572         else{
 573                 arrRegExpClassNames[arrRegExpClassNames.length] =
 574                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 575         }
 576         var oElement;
 577         var bMatchesAll;
 578         for(var j=0; j<arrElements.length; j++){
 579                 oElement = arrElements[j];
 580                 bMatchesAll = true;
 581                 for(var k=0; k<arrRegExpClassNames.length; k++){
 582                         if(!arrRegExpClassNames[k].test(oElement.className)){
 583                                 bMatchesAll = false;
 584                                 break;
 585                         }
 586                 }
 587                 if(bMatchesAll){
 588                         arrReturnElements[arrReturnElements.length] = oElement;
 589                 }
 590         }
 591         return (arrReturnElements)
 592 }
 593
 594 function redirectToFragment(fragment) {
 595         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 596         if (match) {
 597                 var webKitVersion = parseInt(match[1]);
 598                 if (webKitVersion < 420) {
 599                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 600                         // Nightlies of 420+ are ok
 601                         return;
 602                 }
 603         }
 604         if (is_gecko) {
 605                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 606                 addOnloadHook(function () {
 607                         if (window.location.hash == "")
 608                                 window.location.hash = fragment;
 609                 });
 610         } else {
 611                 if (window.location.hash == "")
 612                         window.location.hash = fragment;
 613         }
 614 }
 615
 616 /*
 617  * Table sorting script  by Joost de Valk, check it out at http://www.joostdevalk.nl/code/sortable-table/.
 618  * Based on a script from http://www.kryogenix.org/code/browser/sorttable/.
 619  * Distributed under the MIT license: http://www.kryogenix.org/code/browser/licence.html .
 620  *
 621  * Copyright (c) 1997-2006 Stuart Langridge, Joost de Valk.
 622  *
 623  * @todo don't break on colspans/rowspans (bug 8028)
 624  * @todo language-specific digit grouping/decimals (bug 8063)
 625  * @todo support all accepted date formats (bug 8226)
 626  */
 627
 628 var ts_image_path = stylepath+"/common/images/";
 629 var ts_image_up = "sort_up.gif";
 630 var ts_image_down = "sort_down.gif";
 631 var ts_image_none = "sort_none.gif";
 632 var ts_europeandate = wgContentLanguage != "en"; // The non-American-inclined can change to "true"
 633 var ts_alternate_row_colors = true;
 634 var SORT_COLUMN_INDEX;
 635
 636 function sortables_init() {
 637         var idnum = 0;
 638         // Find all tables with class sortable and make them sortable
 639         var tables = getElementsByClassName(document, "table", "sortable");
 640         for (var ti = 0; ti < tables.length ; ti++) {
 641                 if (!tables[ti].id) {
 642                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 643                         ++idnum;
 644                 }
 645                 ts_makeSortable(tables[ti]);
 646         }
 647 }
 648
 649 function ts_makeSortable(table) {
 650         var firstRow;
 651         if (table.rows && table.rows.length > 0) {
 652                 if (table.tHead && table.tHead.rows.length > 0) {
 653                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 654                 } else {
 655                         firstRow = table.rows[0];
 656                 }
 657         }
 658         if (!firstRow) return;
 659
 660         // We have a first row: assume it's the header, and make its contents clickable links
 661         for (var i = 0; i < firstRow.cells.length; i++) {
 662                 var cell = firstRow.cells[i];
 663                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 664                         cell.innerHTML += '&nbsp;&nbsp;<a href="#" class="sortheader" onclick="ts_resortTable(this);return false;"><span class="sortarrow"><img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/></span></a>';
 665                 }
 666         }
 667         if (ts_alternate_row_colors) {
 668                 ts_alternate(table);
 669         }
 670 }
 671
 672 function ts_getInnerText(el) {
 673         if (typeof el == "string") return el;
 674         if (typeof el == "undefined") { return el };
 675         if (el.textContent) return el.textContent; // not needed but it is faster
 676         if (el.innerText) return el.innerText;     // IE doesn't have textContent
 677         var str = "";
 678
 679         var cs = el.childNodes;
 680         var l = cs.length;
 681         for (var i = 0; i < l; i++) {
 682                 switch (cs[i].nodeType) {
 683                         case 1: //ELEMENT_NODE
 684                                 str += ts_getInnerText(cs[i]);
 685                                 break;
 686                         case 3: //TEXT_NODE
 687                                 str += cs[i].nodeValue;
 688                                 break;
 689                 }
 690         }
 691         return str;
 692 }
 693
 694 function ts_resortTable(lnk) {
 695         // get the span
 696         var span = lnk.getElementsByTagName('span')[0];
 697
 698         var td = lnk.parentNode;
 699         var tr = td.parentNode;
 700         var column = td.cellIndex;
 701
 702         var table = tr.parentNode;
 703         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table'))
 704                 table = table.parentNode;
 705         if (!table) return;
 706
 707         // Work out a type for the column
 708         if (table.rows.length <= 1) return;
 709
 710         // Skip the first row if that's where the headings are
 711         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
 712
 713         var itm = "";
 714         for (var i = rowStart; i < table.rows.length; i++) {
 715                 if (table.rows[i].cells.length > column) {
 716                         itm = ts_getInnerText(table.rows[i].cells[column]);
 717                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
 718                         if (itm != "") break;
 719                 }
 720         }
 721
 722         sortfn = ts_sort_caseinsensitive;
 723         if (itm.match(/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/))
 724                 sortfn = ts_sort_date;
 725         if (itm.match(/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/))
 726                 sortfn = ts_sort_date;
 727         if (itm.match(/^\d\d[\/.-]\d\d[\/.-]\d\d$/))
 728                 sortfn = ts_sort_date;
 729         if (itm.match(/^[\u00a3$\u20ac]/)) // pound dollar euro
 730                 sortfn = ts_sort_currency;
 731         if (itm.match(/^[\d.,]+\%?$/))
 732                 sortfn = ts_sort_numeric;
 733
 734         var reverse = (span.getAttribute("sortdir") == 'down');
 735
 736         var newRows = new Array();
 737         for (var j = rowStart; j < table.rows.length; j++) {
 738                 var row = table.rows[j];
 739                 var keyText = ts_getInnerText(row.cells[column]);
 740                 var oldIndex = (reverse ? -j : j);
 741
 742                 newRows[newRows.length] = new Array(row, keyText, oldIndex);
 743         }
 744
 745         newRows.sort(sortfn);
 746
 747         var arrowHTML;
 748         if (reverse) {
 749                         arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
 750                         newRows.reverse();
 751                         span.setAttribute('sortdir','up');
 752         } else {
 753                         arrowHTML = '<img src="'+ ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 754                         span.setAttribute('sortdir','down');
 755         }
 756
 757         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 758         // don't do sortbottom rows
 759         for (var i = 0; i < newRows.length; i++) {
 760                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") == -1)
 761                         table.tBodies[0].appendChild(newRows[i][0]);
 762         }
 763         // do sortbottom rows only
 764         for (var i = 0; i < newRows.length; i++) {
 765                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
 766                         table.tBodies[0].appendChild(newRows[i][0]);
 767         }
 768
 769         // Delete any other arrows there may be showing
 770         var spans = getElementsByClassName(tr, "span", "sortarrow");
 771         for (var i = 0; i < spans.length; i++) {
 772                 spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
 773         }
 774         span.innerHTML = arrowHTML;
 775
 776         ts_alternate(table);
 777 }
 778
 779 function ts_dateToSortKey(date) {
 780         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 781         if (date.length == 11) {
 782                 switch (date.substr(3,3).toLowerCase()) {
 783                         case "jan": var month = "01"; break;
 784                         case "feb": var month = "02"; break;
 785                         case "mar": var month = "03"; break;
 786                         case "apr": var month = "04"; break;
 787                         case "may": var month = "05"; break;
 788                         case "jun": var month = "06"; break;
 789                         case "jul": var month = "07"; break;
 790                         case "aug": var month = "08"; break;
 791                         case "sep": var month = "09"; break;
 792                         case "oct": var month = "10"; break;
 793                         case "nov": var month = "11"; break;
 794                         case "dec": var month = "12"; break;
 795                         // default: var month = "00";
 796                 }
 797                 return date.substr(7,4)+month+date.substr(0,2);
 798         } else if (date.length == 10) {
 799                 if (ts_europeandate == false) {
 800                         return date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
 801                 } else {
 802                         return date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
 803                 }
 804         } else if (date.length == 8) {
 805                 yr = date.substr(6,2);
 806                 if (parseInt(yr) < 50) {
 807                         yr = '20'+yr;
 808                 } else {
 809                         yr = '19'+yr;
 810                 }
 811                 if (ts_europeandate == true) {
 812                         return yr+date.substr(3,2)+date.substr(0,2);
 813                 } else {
 814                         return yr+date.substr(0,2)+date.substr(3,2);
 815                 }
 816         }
 817         return "00000000";
 818 }
 819
 820 function ts_parseFloat(num) {
 821         if (!num) return 0;
 822         num = parseFloat(num.replace(/,/g, ""));
 823         return (isNaN(num) ? 0 : num);
 824 }
 825
 826 function ts_sort_date(a,b) {
 827         var aa = ts_dateToSortKey(a[1]);
 828         var bb = ts_dateToSortKey(b[1]);
 829         return (aa < bb ? -1 : aa > bb ? 1 : a[2] - b[2]);
 830 }
 831
 832 function ts_sort_currency(a,b) {
 833         var aa = ts_parseFloat(a[1].replace(/[^0-9.]/g,''));
 834         var bb = ts_parseFloat(b[1].replace(/[^0-9.]/g,''));
 835         return (aa != bb ? aa - bb : a[2] - b[2]);
 836 }
 837
 838 function ts_sort_numeric(a,b) {
 839         var aa = ts_parseFloat(a[1]);
 840         var bb = ts_parseFloat(b[1]);
 841         return (aa != bb ? aa - bb : a[2] - b[2]);
 842 }
 843
 844 function ts_sort_caseinsensitive(a,b) {
 845         var aa = a[1].toLowerCase();
 846         var bb = b[1].toLowerCase();
 847         return (aa < bb ? -1 : aa > bb ? 1 : a[2] - b[2]);
 848 }
 849
 850 function ts_sort_default(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                         tableRows[j].className = newClassName + (j % 2 == 0 ? "even" : "odd");
 872                 }
 873         }
 874 }
 875
 876 /*
 877  * End of table sorting code
 878  */
 879
 880
 881 /**
 882  * Add a cute little box at the top of the screen to inform the user of
 883  * something, replacing any preexisting message.
 884  *
 885  * @param String message HTML to be put inside the right div
 886  * @param String className   Used in adding a class; should be different for each
 887  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 888  * @return Boolean       True on success, false on failure
 889  */
 890 function jsMsg( message, className ) {
 891         if ( !document.getElementById ) {
 892                 return false;
 893         }
 894         // We special-case skin structures provided by the software.  Skins that
 895         // choose to abandon or significantly modify our formatting can just define
 896         // an mw-js-message div to start with.
 897         var messageDiv = document.getElementById( 'mw-js-message' );
 898         if ( !messageDiv ) {
 899                 messageDiv = document.createElement( 'div' );
 900                 if ( document.getElementById( 'column-content' )
 901                 && document.getElementById( 'content' ) ) {
 902                         // MonoBook, presumably
 903                         document.getElementById( 'content' ).insertBefore(
 904                                 messageDiv,
 905                                 document.getElementById( 'content' ).firstChild
 906                         );
 907                 } else if ( document.getElementById('content')
 908                 && document.getElementById( 'article' ) ) {
 909                         // Non-Monobook but still recognizable (old-style)
 910                         document.getElementById( 'article').insertBefore(
 911                                 messageDiv,
 912                                 document.getElementById( 'article' ).firstChild
 913                         );
 914                 } else {
 915                         return false;
 916                 }
 917         }
 918
 919         messageDiv.setAttribute( 'id', 'mw-js-message' );
 920         if( className ) {
 921                 messageDiv.setAttribute( 'class', 'mw-js-message-'+className );
 922         }
 923         messageDiv.innerHTML = message;
 924         return true;
 925 }
 926
 927 /**
 928  * Inject a cute little progress spinner after the specified element
 929  *
 930  * @param element Element to inject after
 931  * @param id Identifier string (for use with removeSpinner(), below)
 932  */
 933 function injectSpinner( element, id ) {
 934         var spinner = document.createElement( "img" );
 935         spinner.id = "mw-spinner-" + id;
 936         spinner.src = stylepath + "/common/images/spinner.gif";
 937         spinner.alt = spinner.title = "...";
 938         if( element.nextSibling ) {
 939                 element.parentNode.insertBefore( spinner, element.nextSibling );
 940         } else {
 941                 element.parentNode.appendChild( spinner );
 942         }
 943 }
 944
 945 /**
 946  * Remove a progress spinner added with injectSpinner()
 947  *
 948  * @param id Identifier string
 949  */
 950 function removeSpinner( id ) {
 951         var spinner = document.getElementById( "mw-spinner-" + id );
 952         if( spinner ) {
 953                 spinner.parentNode.removeChild( spinner );
 954         }
 955 }
 956
 957 function runOnloadHook() {
 958         // don't run anything below this for non-dom browsers
 959         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
 960                 return;
 961         }
 962
 963         // set this before running any hooks, since any errors below
 964         // might cause the function to terminate prematurely
 965         doneOnloadHook = true;
 966
 967         updateTooltipAccessKeys( null );
 968         akeytt( null );
 969         scrollEditBox();
 970         setupCheckboxShiftClick();
 971         sortables_init();
 972
 973         // Run any added-on functions
 974         for (var i = 0; i < onloadFuncts.length; i++) {
 975                 onloadFuncts[i]();
 976         }
 977 }
 978
 979 /**
 980  * Add an event handler to an element
 981  *
 982  * @param Element element Element to add handler to
 983  * @param String attach Event to attach to
 984  * @param callable handler Event handler callback
 985  */
 986 function addHandler( element, attach, handler ) {
 987         if( window.addEventListener ) {
 988                 element.addEventListener( attach, handler, false );
 989         } else if( window.attachEvent ) {
 990                 element.attachEvent( 'on' + attach, handler );
 991         }
 992 }
 993
 994 /**
 995  * Add a click event handler to an element
 996  *
 997  * @param Element element Element to add handler to
 998  * @param callable handler Event handler callback
 999  */
1000 function addClickHandler( element, handler ) {
1001         addHandler( element, 'click', handler );
1002 }
1003 //note: all skins should call runOnloadHook() at the end of html output,
1004 //      so the below should be redundant. It's there just in case.
1005 hookEvent("load", runOnloadHook);
1006 hookEvent("load", mwSetupToolbar);