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 ff2_bugs = /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         var opera6_bugs = is_opera_preseven;
  27     var opera7_bugs = is_opera_seven && !is_opera_95;
  28     var opera95_bugs = /opera\/(9\.5)/.test( clientPC );
  29 }
  30
  31 // Global external objects used by this script.
  32 /*extern ta, stylepath, skin */
  33
  34 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  35 var doneOnloadHook;
  36
  37 if (!window.onloadFuncts) {
  38         var onloadFuncts = [];
  39 }
  40
  41 //should use mwAddOnloadHook once js2 is enabled
  42 function addOnloadHook(hookFunct) {
  43         // Allows add-on scripts to add onload functions
  44         if(!doneOnloadHook) {
  45                 onloadFuncts[onloadFuncts.length] = hookFunct;
  46         } else {
  47                 hookFunct();  // bug in MSIE script loading
  48         }
  49 }
  50
  51 function hookEvent(hookName, hookFunct) {
  52         addHandler(window, hookName, hookFunct);
  53 }
  54
  55 function importScript(page) {
  56         // TODO: might want to introduce a utility function to match wfUrlencode() in PHP
  57         var uri = wgScript + '?title=' +
  58                 encodeURIComponent(page.replace(/ /g,'_')).replace(/%2F/ig,'/').replace(/%3A/ig,':') +
  59                 '&action=raw&ctype=text/javascript';
  60         return importScriptURI(uri);
  61 }
  62
  63 var loadedScripts = {}; // included-scripts tracker
  64 function importScriptURI(url) {
  65         if (loadedScripts[url]) {
  66                 return null;
  67         }
  68         loadedScripts[url] = true;
  69         var s = document.createElement('script');
  70         s.setAttribute('src',url);
  71         s.setAttribute('type','text/javascript');
  72         document.getElementsByTagName('head')[0].appendChild(s);
  73         return s;
  74 }
  75
  76 function importStylesheet(page) {
  77         return importStylesheetURI(wgScript + '?action=raw&ctype=text/css&title=' + encodeURIComponent(page.replace(/ /g,'_')));
  78 }
  79
  80 function importStylesheetURI(url,media) {
  81         var l = document.createElement('link');
  82         l.type = 'text/css';
  83         l.rel = 'stylesheet';
  84         l.href = url;
  85         if(media) l.media = media
  86         document.getElementsByTagName('head')[0].appendChild(l);
  87         return l;
  88 }
  89
  90 function appendCSS(text) {
  91         var s = document.createElement('style');
  92         s.type = 'text/css';
  93         s.rel = 'stylesheet';
  94         if (s.styleSheet) s.styleSheet.cssText = text //IE
  95         else s.appendChild(document.createTextNode(text + '')) //Safari sometimes borks on null
  96         document.getElementsByTagName('head')[0].appendChild(s);
  97         return s;
  98 }
  99
 100 // special stylesheet links
 101 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
 102         // FIXME: This tries to load the stylesheets even for skins where they
 103         // don't exist, i.e., everything but Monobook.
 104         if (opera6_bugs) {
 105                 importStylesheetURI(stylepath+'/'+skin+'/Opera6Fixes.css');
 106         } else if (opera7_bugs) {
 107                 importStylesheetURI(stylepath+'/'+skin+'/Opera7Fixes.css');
 108         } else if (opera95_bugs) {
 109                 importStylesheetURI(stylepath+'/'+skin+'/Opera9Fixes.css');
 110         } else if (ff2_bugs) {
 111                 importStylesheetURI(stylepath+'/'+skin+'/FF2Fixes.css');
 112         }
 113 }
 114
 115
 116 if (wgBreakFrames) {
 117         // Un-trap us from framesets
 118         if (window.top != window) {
 119                 window.top.location = window.location;
 120         }
 121 }
 122
 123 function showTocToggle() {
 124         if (document.createTextNode) {
 125                 // Uses DOM calls to avoid document.write + XHTML issues
 126
 127                 var linkHolder = document.getElementById('toctitle');
 128                 var existingLink = document.getElementById('togglelink');
 129                 if (!linkHolder || existingLink) {
 130                         // Don't add the toggle link twice
 131                         return;
 132                 }
 133
 134                 var outerSpan = document.createElement('span');
 135                 outerSpan.className = 'toctoggle';
 136
 137                 var toggleLink = document.createElement('a');
 138                 toggleLink.id = 'togglelink';
 139                 toggleLink.className = 'internal';
 140                 toggleLink.href = 'javascript:toggleToc()';
 141                 toggleLink.appendChild(document.createTextNode(tocHideText));
 142
 143                 outerSpan.appendChild(document.createTextNode('['));
 144                 outerSpan.appendChild(toggleLink);
 145                 outerSpan.appendChild(document.createTextNode(']'));
 146
 147                 linkHolder.appendChild(document.createTextNode(' '));
 148                 linkHolder.appendChild(outerSpan);
 149
 150                 var cookiePos = document.cookie.indexOf("hidetoc=");
 151                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
 152                         toggleToc();
 153                 }
 154         }
 155 }
 156
 157 function changeText(el, newText) {
 158         // Safari work around
 159         if (el.innerText) {
 160                 el.innerText = newText;
 161         } else if (el.firstChild && el.firstChild.nodeValue) {
 162                 el.firstChild.nodeValue = newText;
 163         }
 164 }
 165
 166 function toggleToc() {
 167         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 168         var toggleLink = document.getElementById('togglelink');
 169
 170         if (toc && toggleLink && toc.style.display == 'none') {
 171                 changeText(toggleLink, tocHideText);
 172                 toc.style.display = 'block';
 173                 document.cookie = "hidetoc=0";
 174         } else {
 175                 changeText(toggleLink, tocShowText);
 176                 toc.style.display = 'none';
 177                 document.cookie = "hidetoc=1";
 178         }
 179 }
 180
 181 var mwEditButtons = [];
 182 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 183
 184 function escapeQuotes(text) {
 185         var re = new RegExp("'","g");
 186         text = text.replace(re,"\\'");
 187         re = new RegExp("\\n","g");
 188         text = text.replace(re,"\\n");
 189         return escapeQuotesHTML(text);
 190 }
 191
 192 function escapeQuotesHTML(text) {
 193         var re = new RegExp('&',"g");
 194         text = text.replace(re,"&amp;");
 195         re = new RegExp('"',"g");
 196         text = text.replace(re,"&quot;");
 197         re = new RegExp('<',"g");
 198         text = text.replace(re,"&lt;");
 199         re = new RegExp('>',"g");
 200         text = text.replace(re,"&gt;");
 201         return text;
 202 }
 203
 204
 205 /**
 206  * Set the accesskey prefix based on browser detection.
 207  */
 208 var tooltipAccessKeyPrefix = 'alt-';
 209 if (is_opera) {
 210         tooltipAccessKeyPrefix = 'shift-esc-';
 211 } else if (!is_safari_win && is_safari && webkit_version > 526) {
 212         tooltipAccessKeyPrefix = 'ctrl-alt-';
 213 } else if (!is_safari_win && (is_safari
 214                 || clientPC.indexOf('mac') != -1
 215                 || clientPC.indexOf('konqueror') != -1 )) {
 216         tooltipAccessKeyPrefix = 'ctrl-';
 217 } else if (is_ff2) {
 218         tooltipAccessKeyPrefix = 'alt-shift-';
 219 }
 220 var tooltipAccessKeyRegexp = /\[(ctrl-)?(alt-)?(shift-)?(esc-)?(.)\]$/;
 221
 222 /**
 223  * Add the appropriate prefix to the accesskey shown in the tooltip.
 224  * If the nodeList parameter is given, only those nodes are updated;
 225  * otherwise, all the nodes that will probably have accesskeys by
 226  * default are updated.
 227  *
 228  * @param Array nodeList -- list of elements to update
 229  */
 230 function updateTooltipAccessKeys( nodeList ) {
 231         if ( !nodeList ) {
 232                 // skins without a "column-one" element don't seem to have links with accesskeys either
 233                 var columnOne = document.getElementById("column-one");
 234                 if ( columnOne )
 235                         updateTooltipAccessKeys( columnOne.getElementsByTagName("a") );
 236                 // these are rare enough that no such optimization is needed
 237                 updateTooltipAccessKeys( document.getElementsByTagName("input") );
 238                 updateTooltipAccessKeys( document.getElementsByTagName("label") );
 239                 return;
 240         }
 241
 242         for ( var i = 0; i < nodeList.length; i++ ) {
 243                 var element = nodeList[i];
 244                 var tip = element.getAttribute("title");
 245                 if ( tip && tooltipAccessKeyRegexp.exec(tip) ) {
 246                         tip = tip.replace(tooltipAccessKeyRegexp,
 247                                           "["+tooltipAccessKeyPrefix+"$5]");
 248                         element.setAttribute("title", tip );
 249                 }
 250         }
 251 }
 252
 253 /**
 254  * Add a link to one of the portlet menus on the page, including:
 255  *
 256  * p-cactions: Content actions (shown as tabs above the main content in Monobook)
 257  * p-personal: Personal tools (shown at the top right of the page in Monobook)
 258  * p-navigation: Navigation
 259  * p-tb: Toolbox
 260  *
 261  * This function exists for the convenience of custom JS authors.  All
 262  * but the first three parameters are optional, though providing at
 263  * least an id and a tooltip is recommended.
 264  *
 265  * By default the new link will be added to the end of the list.  To
 266  * add the link before a given existing item, pass the DOM node of
 267  * that item (easily obtained with document.getElementById()) as the
 268  * nextnode parameter; to add the link _after_ an existing item, pass
 269  * the node's nextSibling instead.
 270  *
 271  * @param String portlet -- id of the target portlet ("p-cactions", "p-personal", "p-navigation" or "p-tb")
 272  * @param String href -- link URL
 273  * @param String text -- link text (will be automatically lowercased by CSS for p-cactions in Monobook)
 274  * @param String id -- id of the new item, should be unique and preferably have the appropriate prefix ("ca-", "pt-", "n-" or "t-")
 275  * @param String tooltip -- text to show when hovering over the link, without accesskey suffix
 276  * @param String accesskey -- accesskey to activate this link (one character, try to avoid conflicts)
 277  * @param Node nextnode -- the DOM node before which the new item should be added, should be another item in the same list
 278  *
 279  * @return Node -- the DOM node of the new item (an LI element) or null
 280  */
 281 function addPortletLink(portlet, href, text, id, tooltip, accesskey, nextnode) {
 282         var node = document.getElementById(portlet);
 283         if ( !node ) return null;
 284         node = node.getElementsByTagName( "ul" )[0];
 285         if ( !node ) return null;
 286
 287         var link = document.createElement( "a" );
 288         link.appendChild( document.createTextNode( text ) );
 289         link.href = href;
 290
 291         var item = document.createElement( "li" );
 292         item.appendChild( link );
 293         if ( id ) item.id = id;
 294
 295         if ( accesskey ) {
 296                 link.setAttribute( "accesskey", accesskey );
 297                 tooltip += " ["+accesskey+"]";
 298         }
 299         if ( tooltip ) {
 300                 link.setAttribute( "title", tooltip );
 301         }
 302         if ( accesskey && tooltip ) {
 303                 updateTooltipAccessKeys( new Array( link ) );
 304         }
 305
 306         if ( nextnode && nextnode.parentNode == node )
 307                 node.insertBefore( item, nextnode );
 308         else
 309                 node.appendChild( item );  // IE compatibility (?)
 310
 311         return item;
 312 }
 313
 314 function getInnerText(el) {
 315         if (typeof el == "string") return el;
 316         if (typeof el == "undefined") { return el };
 317         if (el.textContent) return el.textContent; // not needed but it is faster
 318         if (el.innerText) return el.innerText;     // IE doesn't have textContent
 319         var str = "";
 320
 321         var cs = el.childNodes;
 322         var l = cs.length;
 323         for (var i = 0; i < l; i++) {
 324                 switch (cs[i].nodeType) {
 325                         case 1: //ELEMENT_NODE
 326                                 str += ts_getInnerText(cs[i]);
 327                                 break;
 328                         case 3: //TEXT_NODE
 329                                 str += cs[i].nodeValue;
 330                                 break;
 331                 }
 332         }
 333         return str;
 334 }
 335
 336
 337 /**
 338  * Set up accesskeys/tooltips from the deprecated ta array.  If doId
 339  * is specified, only set up for that id.  Note that this function is
 340  * deprecated and will not be supported indefinitely -- use
 341  * updateTooltipAccessKey() instead.
 342  *
 343  * @param mixed doId string or null
 344  */
 345 function akeytt( doId ) {
 346         // A lot of user scripts (and some of the code below) break if
 347         // ta isn't defined, so we make sure it is.  Explictly using
 348         // window.ta avoids a "ta is not defined" error.
 349         if (!window.ta) window.ta = new Array;
 350
 351         // Make a local, possibly restricted, copy to avoid clobbering
 352         // the original.
 353         var ta;
 354         if ( doId ) {
 355                 ta = [doId];
 356         } else {
 357                 ta = window.ta;
 358         }
 359
 360         // Now deal with evil deprecated ta
 361         var watchCheckboxExists = document.getElementById( 'wpWatchthis' ) ? true : false;
 362         for (var id in ta) {
 363                 var n = document.getElementById(id);
 364                 if (n) {
 365                         var a = null;
 366                         var ak = '';
 367                         // Are we putting accesskey in it
 368                         if (ta[id][0].length > 0) {
 369                                 // Is this object a object? If not assume it's the next child.
 370
 371                                 if (n.nodeName.toLowerCase() == "a") {
 372                                         a = n;
 373                                 } else {
 374                                         a = n.childNodes[0];
 375                                 }
 376                                 // Don't add an accesskey for the watch tab if the watch
 377                                 // checkbox is also available.
 378                                 if (a && ((id != 'ca-watch' && id != 'ca-unwatch') || !watchCheckboxExists)) {
 379                                         a.accessKey = ta[id][0];
 380                                         ak = ' ['+tooltipAccessKeyPrefix+ta[id][0]+']';
 381                                 }
 382                         } else {
 383                                 // We don't care what type the object is when assigning tooltip
 384                                 a = n;
 385                                 ak = '';
 386                         }
 387
 388                         if (a) {
 389                                 a.title = ta[id][1]+ak;
 390                         }
 391                 }
 392         }
 393 }
 394
 395 var checkboxes;
 396 var lastCheckbox;
 397
 398 function setupCheckboxShiftClick() {
 399         checkboxes = [];
 400         lastCheckbox = null;
 401         var inputs = document.getElementsByTagName('input');
 402         addCheckboxClickHandlers(inputs);
 403 }
 404
 405 function addCheckboxClickHandlers(inputs, start) {
 406         if ( !start) start = 0;
 407
 408         var finish = start + 250;
 409         if ( finish > inputs.length )
 410                 finish = inputs.length;
 411
 412         for ( var i = start; i < finish; i++ ) {
 413                 var cb = inputs[i];
 414                 if ( !cb.type || cb.type.toLowerCase() != 'checkbox' )
 415                         continue;
 416                 var end = checkboxes.length;
 417                 checkboxes[end] = cb;
 418                 cb.index = end;
 419                 cb.onclick = checkboxClickHandler;
 420         }
 421
 422         if ( finish < inputs.length ) {
 423                 setTimeout( function () {
 424                         addCheckboxClickHandlers(inputs, finish);
 425                 }, 200 );
 426         }
 427 }
 428
 429 function checkboxClickHandler(e) {
 430         if (typeof e == 'undefined') {
 431                 e = window.event;
 432         }
 433         if ( !e.shiftKey || lastCheckbox === null ) {
 434                 lastCheckbox = this.index;
 435                 return true;
 436         }
 437         var endState = this.checked;
 438         var start, finish;
 439         if ( this.index < lastCheckbox ) {
 440                 start = this.index + 1;
 441                 finish = lastCheckbox;
 442         } else {
 443                 start = lastCheckbox;
 444                 finish = this.index - 1;
 445         }
 446         for (var i = start; i <= finish; ++i ) {
 447                 checkboxes[i].checked = endState;
 448                 if( i > start && typeof checkboxes[i].onchange == 'function' )
 449                         checkboxes[i].onchange(); // fire triggers
 450         }
 451         lastCheckbox = this.index;
 452         return true;
 453 }
 454
 455 function toggle_element_activation(ida,idb) {
 456         if (!document.getElementById) {
 457                 return;
 458         }
 459         //hide and show appropriate upload sizes
 460         if(idb == 'wpUploadFileURL'){
 461                 var e = document.getElementById('mw-upload-maxfilesize');
 462                 if(e) e.style.display = "none";
 463
 464                 var e = document.getElementById('mw-upload-maxfilesize-url');
 465                 if(e) e.style.display = "block";
 466         }
 467         if(idb == 'wpUploadFile'){
 468                 var e = document.getElementById('mw-upload-maxfilesize-url');
 469                 if(e) e.style.display =  "none";
 470
 471                 var e = document.getElementById('mw-upload-maxfilesize');
 472                 if(e) e.style.display =  "block";
 473         }
 474         document.getElementById(ida).disabled = true;
 475         document.getElementById(idb).disabled = false;
 476 }
 477
 478 function toggle_element_check(ida,idb) {
 479         if (!document.getElementById) {
 480                 return;
 481         }
 482         document.getElementById(ida).checked=true;
 483         document.getElementById(idb).checked=false;
 484 }
 485
 486 /*
 487         Written by Jonathan Snook, http://www.snook.ca/jonathan
 488         Add-ons by Robert Nyman, http://www.robertnyman.com
 489         Author says "The credit comment is all it takes, no license. Go crazy with it!:-)"
 490         From http://www.robertnyman.com/2005/11/07/the-ultimate-getelementsbyclassname/
 491 */
 492 function getElementsByClassName(oElm, strTagName, oClassNames){
 493         var arrReturnElements = new Array();
 494         if ( typeof( oElm.getElementsByClassName ) == "function" ) {
 495                 /* Use a native implementation where possible FF3, Saf3.2, Opera 9.5 */
 496                 var arrNativeReturn = oElm.getElementsByClassName( oClassNames );
 497                 if ( strTagName == "*" )
 498                         return arrNativeReturn;
 499                 for ( var h=0; h < arrNativeReturn.length; h++ ) {
 500                         if( arrNativeReturn[h].tagName.toLowerCase() == strTagName.toLowerCase() )
 501                                 arrReturnElements[arrReturnElements.length] = arrNativeReturn[h];
 502                 }
 503                 return arrReturnElements;
 504         }
 505         var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
 506         var arrRegExpClassNames = new Array();
 507         if(typeof oClassNames == "object"){
 508                 for(var i=0; i<oClassNames.length; i++){
 509                         arrRegExpClassNames[arrRegExpClassNames.length] =
 510                                 new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)");
 511                 }
 512         }
 513         else{
 514                 arrRegExpClassNames[arrRegExpClassNames.length] =
 515                         new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)");
 516         }
 517         var oElement;
 518         var bMatchesAll;
 519         for(var j=0; j<arrElements.length; j++){
 520                 oElement = arrElements[j];
 521                 bMatchesAll = true;
 522                 for(var k=0; k<arrRegExpClassNames.length; k++){
 523                         if(!arrRegExpClassNames[k].test(oElement.className)){
 524                                 bMatchesAll = false;
 525                                 break;
 526                         }
 527                 }
 528                 if(bMatchesAll){
 529                         arrReturnElements[arrReturnElements.length] = oElement;
 530                 }
 531         }
 532         return (arrReturnElements)
 533 }
 534
 535 function redirectToFragment(fragment) {
 536         var match = navigator.userAgent.match(/AppleWebKit\/(\d+)/);
 537         if (match) {
 538                 var webKitVersion = parseInt(match[1]);
 539                 if (webKitVersion < 420) {
 540                         // Released Safari w/ WebKit 418.9.1 messes up horribly
 541                         // Nightlies of 420+ are ok
 542                         return;
 543                 }
 544         }
 545         if (is_gecko) {
 546                 // Mozilla needs to wait until after load, otherwise the window doesn't scroll
 547                 addOnloadHook(function () {
 548                         if (window.location.hash == "")
 549                                 window.location.hash = fragment;
 550                 });
 551         } else {
 552                 if (window.location.hash == "")
 553                         window.location.hash = fragment;
 554         }
 555 }
 556
 557 /*
 558  * Table sorting script based on one (c) 1997-2006 Stuart Langridge and Joost
 559  * de Valk:
 560  * http://www.joostdevalk.nl/code/sortable-table/
 561  * http://www.kryogenix.org/code/browser/sorttable/
 562  *
 563  * @todo don't break on colspans/rowspans (bug 8028)
 564  * @todo language-specific digit grouping/decimals (bug 8063)
 565  * @todo support all accepted date formats (bug 8226)
 566  */
 567
 568 var ts_image_path = stylepath+"/common/images/";
 569 var ts_image_up = "sort_up.gif";
 570 var ts_image_down = "sort_down.gif";
 571 var ts_image_none = "sort_none.gif";
 572 var ts_europeandate = wgContentLanguage != "en"; // The non-American-inclined can change to "true"
 573 var ts_alternate_row_colors = false;
 574 var ts_number_transform_table = null;
 575 var ts_number_regex = null;
 576
 577 function sortables_init() {
 578         var idnum = 0;
 579         // Find all tables with class sortable and make them sortable
 580         var tables = getElementsByClassName(document, "table", "sortable");
 581         for (var ti = 0; ti < tables.length ; ti++) {
 582                 if (!tables[ti].id) {
 583                         tables[ti].setAttribute('id','sortable_table_id_'+idnum);
 584                         ++idnum;
 585                 }
 586                 ts_makeSortable(tables[ti]);
 587         }
 588 }
 589
 590 function ts_makeSortable(table) {
 591         var firstRow;
 592         if (table.rows && table.rows.length > 0) {
 593                 if (table.tHead && table.tHead.rows.length > 0) {
 594                         firstRow = table.tHead.rows[table.tHead.rows.length-1];
 595                 } else {
 596                         firstRow = table.rows[0];
 597                 }
 598         }
 599         if (!firstRow) return;
 600
 601         // We have a first row: assume it's the header, and make its contents clickable links
 602         for (var i = 0; i < firstRow.cells.length; i++) {
 603                 var cell = firstRow.cells[i];
 604                 if ((" "+cell.className+" ").indexOf(" unsortable ") == -1) {
 605                         cell.innerHTML += '&nbsp;&nbsp;'
 606                                 + '<a href="#" class="sortheader" '
 607                                 + 'onclick="ts_resortTable(this);return false;">'
 608                                 + '<span class="sortarrow">'
 609                                 + '<img src="'
 610                                 + ts_image_path
 611                                 + ts_image_none
 612                                 + '" alt="&darr;"/></span></a>';
 613                 }
 614         }
 615         if (ts_alternate_row_colors) {
 616                 ts_alternate(table);
 617         }
 618 }
 619
 620 function ts_getInnerText(el) {
 621         return getInnerText( el );
 622 }
 623
 624 function ts_resortTable(lnk) {
 625         // get the span
 626         var span = lnk.getElementsByTagName('span')[0];
 627
 628         var td = lnk.parentNode;
 629         var tr = td.parentNode;
 630         var column = td.cellIndex;
 631
 632         var table = tr.parentNode;
 633         while (table && !(table.tagName && table.tagName.toLowerCase() == 'table'))
 634                 table = table.parentNode;
 635         if (!table) return;
 636
 637         if (table.rows.length <= 1) return;
 638
 639         // Generate the number transform table if it's not done already
 640         if (ts_number_transform_table == null) {
 641                 ts_initTransformTable();
 642         }
 643
 644         // Work out a type for the column
 645         // Skip the first row if that's where the headings are
 646         var rowStart = (table.tHead && table.tHead.rows.length > 0 ? 0 : 1);
 647
 648         var itm = "";
 649         for (var i = rowStart; i < table.rows.length; i++) {
 650                 if (table.rows[i].cells.length > column) {
 651                         itm = ts_getInnerText(table.rows[i].cells[column]);
 652                         itm = itm.replace(/^[\s\xa0]+/, "").replace(/[\s\xa0]+$/, "");
 653                         if (itm != "") break;
 654                 }
 655         }
 656
 657         // TODO: bug 8226, localised date formats
 658         var sortfn = ts_sort_generic;
 659         var preprocessor = ts_toLowerCase;
 660         if (/^\d\d[\/. -][a-zA-Z]{3}[\/. -]\d\d\d\d$/.test(itm)) {
 661                 preprocessor = ts_dateToSortKey;
 662         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d\d\d$/.test(itm)) {
 663                 preprocessor = ts_dateToSortKey;
 664         } else if (/^\d\d[\/.-]\d\d[\/.-]\d\d$/.test(itm)) {
 665                 preprocessor = ts_dateToSortKey;
 666         // pound dollar euro yen currency cents
 667         } else if (/(^[\u00a3$\u20ac\u00a4\u00a5]|\u00a2$)/.test(itm)) {
 668                 preprocessor = ts_currencyToSortKey;
 669         } else if (ts_number_regex.test(itm)) {
 670                 preprocessor = ts_parseFloat;
 671         }
 672
 673         var reverse = (span.getAttribute("sortdir") == 'down');
 674
 675         var newRows = new Array();
 676         var staticRows = new Array();
 677         for (var j = rowStart; j < table.rows.length; j++) {
 678                 var row = table.rows[j];
 679                 if((" "+row.className+" ").indexOf(" unsortable ") < 0) {
 680                         var keyText = ts_getInnerText(row.cells[column]);
 681                         var oldIndex = (reverse ? -j : j);
 682                         var preprocessed = preprocessor( keyText );
 683
 684                         newRows[newRows.length] = new Array(row, preprocessed, oldIndex);
 685                 } else staticRows[staticRows.length] = new Array(row, false, j-rowStart);
 686         }
 687
 688         newRows.sort(sortfn);
 689
 690         var arrowHTML;
 691         if (reverse) {
 692                 arrowHTML = '<img src="'+ ts_image_path + ts_image_down + '" alt="&darr;"/>';
 693                 newRows.reverse();
 694                 span.setAttribute('sortdir','up');
 695         } else {
 696                 arrowHTML = '<img src="'+ ts_image_path + ts_image_up + '" alt="&uarr;"/>';
 697                 span.setAttribute('sortdir','down');
 698         }
 699
 700         for (var i = 0; i < staticRows.length; i++) {
 701                 var row = staticRows[i];
 702                 newRows.splice(row[2], 0, row);
 703         }
 704
 705         // We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
 706         // don't do sortbottom rows
 707         for (var i = 0; i < newRows.length; i++) {
 708                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") == -1)
 709                         table.tBodies[0].appendChild(newRows[i][0]);
 710         }
 711         // do sortbottom rows only
 712         for (var i = 0; i < newRows.length; i++) {
 713                 if ((" "+newRows[i][0].className+" ").indexOf(" sortbottom ") != -1)
 714                         table.tBodies[0].appendChild(newRows[i][0]);
 715         }
 716
 717         // Delete any other arrows there may be showing
 718         var spans = getElementsByClassName(tr, "span", "sortarrow");
 719         for (var i = 0; i < spans.length; i++) {
 720                 spans[i].innerHTML = '<img src="'+ ts_image_path + ts_image_none + '" alt="&darr;"/>';
 721         }
 722         span.innerHTML = arrowHTML;
 723
 724         if (ts_alternate_row_colors) {
 725                 ts_alternate(table);
 726         }
 727 }
 728
 729 function ts_initTransformTable() {
 730         if ( typeof wgSeparatorTransformTable == "undefined"
 731                         || ( wgSeparatorTransformTable[0] == '' && wgDigitTransformTable[2] == '' ) )
 732         {
 733                 digitClass = "[0-9,.]";
 734                 ts_number_transform_table = false;
 735         } else {
 736                 ts_number_transform_table = {};
 737                 // Unpack the transform table
 738                 // Separators
 739                 ascii = wgSeparatorTransformTable[0].split("\t");
 740                 localised = wgSeparatorTransformTable[1].split("\t");
 741                 for ( var i = 0; i < ascii.length; i++ ) {
 742                         ts_number_transform_table[localised[i]] = ascii[i];
 743                 }
 744                 // Digits
 745                 ascii = wgDigitTransformTable[0].split("\t");
 746                 localised = wgDigitTransformTable[1].split("\t");
 747                 for ( var i = 0; i < ascii.length; i++ ) {
 748                         ts_number_transform_table[localised[i]] = ascii[i];
 749                 }
 750
 751                 // Construct regex for number identification
 752                 digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ',', '\\.'];
 753                 maxDigitLength = 1;
 754                 for ( var digit in ts_number_transform_table ) {
 755                         // Escape regex metacharacters
 756                         digits.push(
 757                                 digit.replace( /[\\\\$\*\+\?\.\(\)\|\{\}\[\]\-]/,
 758                                         function( s ) { return '\\' + s; } )
 759                         );
 760                         if (digit.length > maxDigitLength) {
 761                                 maxDigitLength = digit.length;
 762                         }
 763                 }
 764                 if ( maxDigitLength > 1 ) {
 765                         digitClass = '[' + digits.join( '', digits ) + ']';
 766                 } else {
 767                         digitClass = '(' + digits.join( '|', digits ) + ')';
 768                 }
 769         }
 770
 771         // We allow a trailing percent sign, which we just strip.  This works fine
 772         // if percents and regular numbers aren't being mixed.
 773         ts_number_regex = new RegExp(
 774                 "^(" +
 775                         "[+-]?[0-9][0-9,]*(\\.[0-9,]*)?(E[+-]?[0-9][0-9,]*)?" + // Fortran-style scientific
 776                         "|" +
 777                         "[+-]?" + digitClass + "+%?" + // Generic localised
 778                 ")$", "i"
 779         );
 780 }
 781
 782 function ts_toLowerCase( s ) {
 783         return s.toLowerCase();
 784 }
 785
 786 function ts_dateToSortKey(date) {
 787         // y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
 788         if (date.length == 11) {
 789                 switch (date.substr(3,3).toLowerCase()) {
 790                         case "jan": var month = "01"; break;
 791                         case "feb": var month = "02"; break;
 792                         case "mar": var month = "03"; break;
 793                         case "apr": var month = "04"; break;
 794                         case "may": var month = "05"; break;
 795                         case "jun": var month = "06"; break;
 796                         case "jul": var month = "07"; break;
 797                         case "aug": var month = "08"; break;
 798                         case "sep": var month = "09"; break;
 799                         case "oct": var month = "10"; break;
 800                         case "nov": var month = "11"; break;
 801                         case "dec": var month = "12"; break;
 802                         // default: var month = "00";
 803                 }
 804                 return date.substr(7,4)+month+date.substr(0,2);
 805         } else if (date.length == 10) {
 806                 if (ts_europeandate == false) {
 807                         return date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
 808                 } else {
 809                         return date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
 810                 }
 811         } else if (date.length == 8) {
 812                 yr = date.substr(6,2);
 813                 if (parseInt(yr) < 50) {
 814                         yr = '20'+yr;
 815                 } else {
 816                         yr = '19'+yr;
 817                 }
 818                 if (ts_europeandate == true) {
 819                         return yr+date.substr(3,2)+date.substr(0,2);
 820                 } else {
 821                         return yr+date.substr(0,2)+date.substr(3,2);
 822                 }
 823         }
 824         return "00000000";
 825 }
 826
 827 function ts_parseFloat( s ) {
 828         if ( !s ) {
 829                 return 0;
 830         }
 831         if (ts_number_transform_table != false) {
 832                 var newNum = '', c;
 833
 834                 for ( var p = 0; p < s.length; p++ ) {
 835                         c = s.charAt( p );
 836                         if (c in ts_number_transform_table) {
 837                                 newNum += ts_number_transform_table[c];
 838                         } else {
 839                                 newNum += c;
 840                         }
 841                 }
 842                 s = newNum;
 843         }
 844
 845         num = parseFloat(s.replace(/,/g, ""));
 846         return (isNaN(num) ? 0 : num);
 847 }
 848
 849 function ts_currencyToSortKey( s ) {
 850         return ts_parseFloat(s.replace(/[^0-9.,]/g,''));
 851 }
 852
 853 function ts_sort_generic(a, b) {
 854         return a[1] < b[1] ? -1 : a[1] > b[1] ? 1 : a[2] - b[2];
 855 }
 856
 857 function ts_alternate(table) {
 858         // Take object table and get all it's tbodies.
 859         var tableBodies = table.getElementsByTagName("tbody");
 860         // Loop through these tbodies
 861         for (var i = 0; i < tableBodies.length; i++) {
 862                 // Take the tbody, and get all it's rows
 863                 var tableRows = tableBodies[i].getElementsByTagName("tr");
 864                 // Loop through these rows
 865                 // Start at 1 because we want to leave the heading row untouched
 866                 for (var j = 0; j < tableRows.length; j++) {
 867                         // Check if j is even, and apply classes for both possible results
 868                         var oldClasses = tableRows[j].className.split(" ");
 869                         var newClassName = "";
 870                         for (var k = 0; k < oldClasses.length; k++) {
 871                                 if (oldClasses[k] != "" && oldClasses[k] != "even" && oldClasses[k] != "odd")
 872                                         newClassName += oldClasses[k] + " ";
 873                         }
 874                         tableRows[j].className = newClassName + (j % 2 == 0 ? "even" : "odd");
 875                 }
 876         }
 877 }
 878
 879 /*
 880  * End of table sorting code
 881  */
 882
 883
 884 /**
 885  * Add a cute little box at the top of the screen to inform the user of
 886  * something, replacing any preexisting message.
 887  *
 888  * @param String -or- Dom Object message HTML to be put inside the right div
 889  * @param String className   Used in adding a class; should be different for each
 890  *   call to allow CSS/JS to hide different boxes.  null = no class used.
 891  * @return Boolean       True on success, false on failure
 892  */
 893 function jsMsg( message, className ) {
 894         if ( !document.getElementById ) {
 895                 return false;
 896         }
 897         // We special-case skin structures provided by the software.  Skins that
 898         // choose to abandon or significantly modify our formatting can just define
 899         // an mw-js-message div to start with.
 900         var messageDiv = document.getElementById( 'mw-js-message' );
 901         if ( !messageDiv ) {
 902                 messageDiv = document.createElement( 'div' );
 903                 if ( document.getElementById( 'column-content' )
 904                 && document.getElementById( 'content' ) ) {
 905                         // MonoBook, presumably
 906                         document.getElementById( 'content' ).insertBefore(
 907                                 messageDiv,
 908                                 document.getElementById( 'content' ).firstChild
 909                         );
 910                 } else if ( document.getElementById('content')
 911                 && document.getElementById( 'article' ) ) {
 912                         // Non-Monobook but still recognizable (old-style)
 913                         document.getElementById( 'article').insertBefore(
 914                                 messageDiv,
 915                                 document.getElementById( 'article' ).firstChild
 916                         );
 917                 } else {
 918                         return false;
 919                 }
 920         }
 921
 922         messageDiv.setAttribute( 'id', 'mw-js-message' );
 923         messageDiv.style.display = 'block';
 924         if( className ) {
 925                 messageDiv.setAttribute( 'class', 'mw-js-message-'+className );
 926         }
 927
 928         if (typeof message === 'object') {
 929                 while (messageDiv.hasChildNodes()) // Remove old content
 930                         messageDiv.removeChild(messageDiv.firstChild);
 931                 messageDiv.appendChild (message); // Append new content
 932         }
 933         else {
 934                 messageDiv.innerHTML = message;
 935         }
 936         return true;
 937 }
 938
 939 /**
 940  * Inject a cute little progress spinner after the specified element
 941  *
 942  * @param element Element to inject after
 943  * @param id Identifier string (for use with removeSpinner(), below)
 944  */
 945 function injectSpinner( element, id ) {
 946         var spinner = document.createElement( "img" );
 947         spinner.id = "mw-spinner-" + id;
 948         spinner.src = stylepath + "/common/images/spinner.gif";
 949         spinner.alt = spinner.title = "...";
 950         if( element.nextSibling ) {
 951                 element.parentNode.insertBefore( spinner, element.nextSibling );
 952         } else {
 953                 element.parentNode.appendChild( spinner );
 954         }
 955 }
 956
 957 /**
 958  * Remove a progress spinner added with injectSpinner()
 959  *
 960  * @param id Identifier string
 961  */
 962 function removeSpinner( id ) {
 963         var spinner = document.getElementById( "mw-spinner-" + id );
 964         if( spinner ) {
 965                 spinner.parentNode.removeChild( spinner );
 966         }
 967 }
 968
 969 function runOnloadHook() {
 970         // don't run anything below this for non-dom browsers
 971         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName)) {
 972                 return;
 973         }
 974
 975         // set this before running any hooks, since any errors below
 976         // might cause the function to terminate prematurely
 977         doneOnloadHook = true;
 978
 979         updateTooltipAccessKeys( null );
 980         akeytt( null );
 981         setupCheckboxShiftClick();
 982         sortables_init();
 983
 984         // Run any added-on functions
 985         for (var i = 0; i < onloadFuncts.length; i++) {
 986                 onloadFuncts[i]();
 987         }
 988 }
 989
 990 /**
 991  * Add an event handler to an element
 992  *
 993  * @param Element element Element to add handler to
 994  * @param String attach Event to attach to
 995  * @param callable handler Event handler callback
 996  */
 997 function addHandler( element, attach, handler ) {
 998         if( window.addEventListener ) {
 999                 element.addEventListener( attach, handler, false );
1000         } else if( window.attachEvent ) {
1001                 element.attachEvent( 'on' + attach, handler );
1002         }
1003 }
1004
1005 /**
1006  * Add a click event handler to an element
1007  *
1008  * @param Element element Element to add handler to
1009  * @param callable handler Event handler callback
1010  */
1011 function addClickHandler( element, handler ) {
1012         addHandler( element, 'click', handler );
1013 }
1014
1015 /**
1016  * Removes an event handler from an element
1017  *
1018  * @param Element element Element to remove handler from
1019  * @param String remove Event to remove
1020  * @param callable handler Event handler callback to remove
1021  */
1022 function removeHandler( element, remove, handler ) {
1023         if( window.removeEventListener ) {
1024                 element.removeEventListener( remove, handler, false );
1025         } else if( window.detachEvent ) {
1026                 element.detachEvent( 'on' + remove, handler );
1027         }
1028 }
1029 //note: all skins should call runOnloadHook() at the end of html output,
1030 //      so the below should be redundant. It's there just in case.
1031 hookEvent("load", runOnloadHook);