skins/common/wikibits.js

   1 // MediaWiki JavaScript support functions
   2
   3 var clientPC = navigator.userAgent.toLowerCase(); // Get client info
   4 var is_gecko = ((clientPC.indexOf('gecko')!=-1) && (clientPC.indexOf('spoofer')==-1)
   5                 && (clientPC.indexOf('khtml') == -1) && (clientPC.indexOf('netscape/7.0')==-1));
   6 var is_safari = ((clientPC.indexOf('applewebkit')!=-1) && (clientPC.indexOf('spoofer')==-1));
   7 var is_khtml = (navigator.vendor == 'KDE' || ( document.childNodes && !document.all && !navigator.taintEnabled ));
   8 if (clientPC.indexOf('opera') != -1) {
   9         var is_opera = true;
  10         var is_opera_preseven = (window.opera && !document.childNodes);
  11         var is_opera_seven = (window.opera && document.childNodes);
  12 }
  13
  14 // add any onload functions in this hook (please don't hard-code any events in the xhtml source)
  15
  16 var doneOnloadHook;
  17
  18 if (!window.onloadFuncts)
  19         var onloadFuncts = [];
  20
  21 function addOnloadHook(hookFunct) {
  22         // Allows add-on scripts to add onload functions
  23         onloadFuncts[onloadFuncts.length] = hookFunct;
  24 }
  25
  26 function runOnloadHook() {
  27         // don't run anything below this for non-dom browsers
  28         if (doneOnloadHook || !(document.getElementById && document.getElementsByTagName))
  29                 return;
  30
  31         histrowinit();
  32         unhidetzbutton();
  33         tabbedprefs();
  34         akeytt();
  35         scrollEditBox();
  36         setupCheckboxShiftClick();
  37
  38         // Run any added-on functions
  39         for (var i = 0; i < onloadFuncts.length; i++)
  40                 onloadFuncts[i]();
  41
  42         doneOnloadHook = true;
  43 }
  44
  45 function hookEvent(hookName, hookFunct) {
  46         if (window.addEventListener)
  47                 addEventListener(hookName, hookFunct, false);
  48         else if (window.attachEvent)
  49                 attachEvent("on" + hookName, hookFunct);
  50 }
  51
  52 hookEvent("load", runOnloadHook);
  53
  54 // document.write special stylesheet links
  55 if (typeof stylepath != 'undefined' && typeof skin != 'undefined') {
  56         if (is_opera_preseven) {
  57                 document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/Opera6Fixes.css">');
  58         } else if (is_opera_seven) {
  59                 document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/Opera7Fixes.css">');
  60         } else if (is_khtml) {
  61                 document.write('<link rel="stylesheet" type="text/css" href="'+stylepath+'/'+skin+'/KHTMLFixes.css">');
  62         }
  63 }
  64 // Un-trap us from framesets
  65 if (window.top != window)
  66         window.top.location = window.location;
  67
  68 // for enhanced RecentChanges
  69 function toggleVisibility(_levelId, _otherId, _linkId) {
  70         var thisLevel = document.getElementById(_levelId);
  71         var otherLevel = document.getElementById(_otherId);
  72         var linkLevel = document.getElementById(_linkId);
  73         if (thisLevel.style.display == 'none') {
  74                 thisLevel.style.display = 'block';
  75                 otherLevel.style.display = 'none';
  76                 linkLevel.style.display = 'inline';
  77         } else {
  78                 thisLevel.style.display = 'none';
  79                 otherLevel.style.display = 'inline';
  80                 linkLevel.style.display = 'none';
  81         }
  82 }
  83
  84 // page history stuff
  85 // attach event handlers to the input elements on history page
  86 function histrowinit() {
  87         var hf = document.getElementById('pagehistory');
  88         if (!hf)
  89                 return;
  90         var lis = hf.getElementsByTagName('li');
  91         for (var i = 0; i < lis.length; i++) {
  92                 var inputs = historyRadios(lis[i]);
  93                 if (inputs[0] && inputs[1]) {
  94                         inputs[0].onclick = diffcheck;
  95                         inputs[1].onclick = diffcheck;
  96                 }
  97         }
  98         diffcheck();
  99 }
 100
 101 function historyRadios(parent) {
 102         var inputs = parent.getElementsByTagName('input');
 103         var radios = [];
 104         for (var i = 0; i < inputs.length; i++) {
 105                 if (inputs[i].name == "diff" || inputs[i].name == "oldid")
 106                         radios[radios.length] = inputs[i];
 107         }
 108         return radios;
 109 }
 110
 111 // check selection and tweak visibility/class onclick
 112 function diffcheck() {
 113         var dli = false; // the li where the diff radio is checked
 114         var oli = false; // the li where the oldid radio is checked
 115         var hf = document.getElementById('pagehistory');
 116         if (!hf)
 117                 return true;
 118         var lis = hf.getElementsByTagName('li');
 119         for (i=0;i<lis.length;i++) {
 120                 var inputs = historyRadios(lis[i]);
 121                 if (inputs[1] && inputs[0]) {
 122                         if (inputs[1].checked || inputs[0].checked) { // this row has a checked radio button
 123                                 if (inputs[1].checked && inputs[0].checked && inputs[0].value == inputs[1].value)
 124                                         return false;
 125                                 if (oli) { // it's the second checked radio
 126                                         if (inputs[1].checked) {
 127                                                 oli.className = "selected";
 128                                                 return false;
 129                                         }
 130                                 } else if (inputs[0].checked) {
 131                                         return false;
 132                                 }
 133                                 if (inputs[0].checked)
 134                                         dli = lis[i];
 135                                 if (!oli)
 136                                         inputs[0].style.visibility = 'hidden';
 137                                 if (dli)
 138                                         inputs[1].style.visibility = 'hidden';
 139                                 lis[i].className = "selected";
 140                                 oli = lis[i];
 141                         }  else { // no radio is checked in this row
 142                                 if (!oli)
 143                                         inputs[0].style.visibility = 'hidden';
 144                                 else
 145                                         inputs[0].style.visibility = 'visible';
 146                                 if (dli)
 147                                         inputs[1].style.visibility = 'hidden';
 148                                 else
 149                                         inputs[1].style.visibility = 'visible';
 150                                 lis[i].className = "";
 151                         }
 152                 }
 153         }
 154         return true;
 155 }
 156
 157 // generate toc from prefs form, fold sections
 158 // XXX: needs testing on IE/Mac and safari
 159 // more comments to follow
 160 function tabbedprefs() {
 161         var prefform = document.getElementById('preferences');
 162         if (!prefform || !document.createElement)
 163                 return;
 164         if (prefform.nodeName.toLowerCase() == 'a')
 165                 return; // Occasional IE problem
 166         prefform.className = prefform.className + 'jsprefs';
 167         var sections = new Array();
 168         var children = prefform.childNodes;
 169         var seci = 0;
 170         for (var i = 0; i < children.length; i++) {
 171                 if (children[i].nodeName.toLowerCase() == 'fieldset') {
 172                         children[i].id = 'prefsection-' + seci;
 173                         children[i].className = 'prefsection';
 174                         if (is_opera || is_khtml)
 175                                 children[i].className = 'prefsection operaprefsection';
 176                         var legends = children[i].getElementsByTagName('legend');
 177                         sections[seci] = new Object();
 178                         legends[0].className = 'mainLegend';
 179                         if (legends[0] && legends[0].firstChild.nodeValue)
 180                                 sections[seci].text = legends[0].firstChild.nodeValue;
 181                         else
 182                                 sections[seci].text = '# ' + seci;
 183                         sections[seci].secid = children[i].id;
 184                         seci++;
 185                         if (sections.length != 1)
 186                                 children[i].style.display = 'none';
 187                         else
 188                                 var selectedid = children[i].id;
 189                 }
 190         }
 191         var toc = document.createElement('ul');
 192         toc.id = 'preftoc';
 193         toc.selectedid = selectedid;
 194         for (i = 0; i < sections.length; i++) {
 195                 var li = document.createElement('li');
 196                 if (i == 0)
 197                         li.className = 'selected';
 198                 var a = document.createElement('a');
 199                 a.href = '#' + sections[i].secid;
 200                 a.onmousedown = a.onclick = uncoversection;
 201                 a.appendChild(document.createTextNode(sections[i].text));
 202                 a.secid = sections[i].secid;
 203                 li.appendChild(a);
 204                 toc.appendChild(li);
 205         }
 206         prefform.parentNode.insertBefore(toc, prefform.parentNode.childNodes[0]);
 207         document.getElementById('prefsubmit').id = 'prefcontrol';
 208 }
 209
 210 function uncoversection() {
 211         var oldsecid = this.parentNode.parentNode.selectedid;
 212         var newsec = document.getElementById(this.secid);
 213         if (oldsecid != this.secid) {
 214                 var ul = document.getElementById('preftoc');
 215                 document.getElementById(oldsecid).style.display = 'none';
 216                 newsec.style.display = 'block';
 217                 ul.selectedid = this.secid;
 218                 var lis = ul.getElementsByTagName('li');
 219                 for (var i = 0; i< lis.length; i++) {
 220                         lis[i].className = '';
 221                 }
 222                 this.parentNode.className = 'selected';
 223         }
 224         return false;
 225 }
 226
 227 // Timezone stuff
 228 // tz in format [+-]HHMM
 229 function checkTimezone(tz, msg) {
 230         var localclock = new Date();
 231         // returns negative offset from GMT in minutes
 232         var tzRaw = localclock.getTimezoneOffset();
 233         var tzHour = Math.floor( Math.abs(tzRaw) / 60);
 234         var tzMin = Math.abs(tzRaw) % 60;
 235         var tzString = ((tzRaw >= 0) ? "-" : "+") + ((tzHour < 10) ? "0" : "") + tzHour + ((tzMin < 10) ? "0" : "") + tzMin;
 236         if (tz != tzString) {
 237                 var junk = msg.split('$1');
 238                 document.write(junk[0] + "UTC" + tzString + junk[1]);
 239         }
 240 }
 241
 242 function unhidetzbutton() {
 243         var tzb = document.getElementById('guesstimezonebutton');
 244         if (tzb)
 245                 tzb.style.display = 'inline';
 246 }
 247
 248 // in [-]HH:MM format...
 249 // won't yet work with non-even tzs
 250 function fetchTimezone() {
 251         // FIXME: work around Safari bug
 252         var localclock = new Date();
 253         // returns negative offset from GMT in minutes
 254         var tzRaw = localclock.getTimezoneOffset();
 255         var tzHour = Math.floor( Math.abs(tzRaw) / 60);
 256         var tzMin = Math.abs(tzRaw) % 60;
 257         var tzString = ((tzRaw >= 0) ? "-" : "") + ((tzHour < 10) ? "0" : "") + tzHour +
 258                 ":" + ((tzMin < 10) ? "0" : "") + tzMin;
 259         return tzString;
 260 }
 261
 262 function guessTimezone(box) {
 263         document.getElementsByName("wpHourDiff")[0].value = fetchTimezone();
 264 }
 265
 266 function showTocToggle() {
 267         if (document.createTextNode) {
 268                 // Uses DOM calls to avoid document.write + XHTML issues
 269
 270                 var linkHolder = document.getElementById('toctitle')
 271                 if (!linkHolder)
 272                         return;
 273
 274                 var outerSpan = document.createElement('span');
 275                 outerSpan.className = 'toctoggle';
 276
 277                 var toggleLink = document.createElement('a');
 278                 toggleLink.id = 'togglelink';
 279                 toggleLink.className = 'internal';
 280                 toggleLink.href = 'javascript:toggleToc()';
 281                 toggleLink.appendChild(document.createTextNode(tocHideText));
 282
 283                 outerSpan.appendChild(document.createTextNode('['));
 284                 outerSpan.appendChild(toggleLink);
 285                 outerSpan.appendChild(document.createTextNode(']'));
 286
 287                 linkHolder.appendChild(document.createTextNode(' '));
 288                 linkHolder.appendChild(outerSpan);
 289
 290                 var cookiePos = document.cookie.indexOf("hidetoc=");
 291                 if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1)
 292                         toggleToc();
 293         }
 294 }
 295
 296 function changeText(el, newText) {
 297         // Safari work around
 298         if (el.innerText)
 299                 el.innerText = newText;
 300         else if (el.firstChild && el.firstChild.nodeValue)
 301                 el.firstChild.nodeValue = newText;
 302 }
 303
 304 function toggleToc() {
 305         var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
 306         var toggleLink = document.getElementById('togglelink')
 307
 308         if (toc && toggleLink && toc.style.display == 'none') {
 309                 changeText(toggleLink, tocHideText);
 310                 toc.style.display = 'block';
 311                 document.cookie = "hidetoc=0";
 312         } else {
 313                 changeText(toggleLink, tocShowText);
 314                 toc.style.display = 'none';
 315                 document.cookie = "hidetoc=1";
 316         }
 317 }
 318
 319 var mwEditButtons = [];
 320 var mwCustomEditButtons = []; // eg to add in MediaWiki:Common.js
 321
 322 // this function generates the actual toolbar buttons with localized text
 323 // we use it to avoid creating the toolbar where javascript is not enabled
 324 function addButton(imageFile, speedTip, tagOpen, tagClose, sampleText) {
 325         // Don't generate buttons for browsers which don't fully
 326         // support it.
 327         mwEditButtons[mwEditButtons.length] =
 328                 {"imageFile": imageFile,
 329                  "speedTip": speedTip,
 330                  "tagOpen": tagOpen,
 331                  "tagClose": tagClose,
 332                  "sampleText": sampleText};
 333 }
 334
 335 // this function generates the actual toolbar buttons with localized text
 336 // we use it to avoid creating the toolbar where javascript is not enabled
 337 function mwInsertEditButton(parent, item) {
 338         var image = document.createElement("img");
 339         image.width = 23;
 340         image.height = 22;
 341         image.src = item.imageFile;
 342         image.border = 0;
 343         image.alt = item.speedTip;
 344         image.title = item.speedTip;
 345         image.style.cursor = "pointer";
 346         image.onclick = function() {
 347                 insertTags(item.tagOpen, item.tagClose, item.sampleText);
 348                 return false;
 349         }
 350
 351         parent.appendChild(image);
 352         return true;
 353 }
 354
 355 function mwSetupToolbar() {
 356         var toolbar = document.getElementById('toolbar');
 357         if (!toolbar) return false;
 358
 359         var textbox = document.getElementById('wpTextbox1');
 360         if (!textbox) return false;
 361
 362         // Don't generate buttons for browsers which don't fully
 363         // support it.
 364         if (!document.selection && textbox.selectionStart == null)
 365                 return false;
 366
 367         for (var i in mwEditButtons) {
 368                 mwInsertEditButton(toolbar, mwEditButtons[i]);
 369         }
 370         for (var i in mwCustomEditButtons) {
 371                 mwInsertEditButton(toolbar, mwCustomEditButtons[i]);
 372         }
 373         return true;
 374 }
 375
 376 function escapeQuotes(text) {
 377         var re = new RegExp("'","g");
 378         text = text.replace(re,"\\'");
 379         re = new RegExp("\\n","g");
 380         text = text.replace(re,"\\n");
 381         return escapeQuotesHTML(text);
 382 }
 383
 384 function escapeQuotesHTML(text) {
 385         var re = new RegExp('&',"g");
 386         text = text.replace(re,"&amp;");
 387         var re = new RegExp('"',"g");
 388         text = text.replace(re,"&quot;");
 389         var re = new RegExp('<',"g");
 390         text = text.replace(re,"&lt;");
 391         var re = new RegExp('>',"g");
 392         text = text.replace(re,"&gt;");
 393         return text;
 394 }
 395
 396 // apply tagOpen/tagClose to selection in textarea,
 397 // use sampleText instead of selection if there is none
 398 // copied and adapted from phpBB
 399 function insertTags(tagOpen, tagClose, sampleText) {
 400         if (document.editform)
 401                 var txtarea = document.editform.wpTextbox1;
 402         else {
 403                 // some alternate form? take the first one we can find
 404                 var areas = document.getElementsByTagName('textarea');
 405                 var txtarea = areas[0];
 406         }
 407
 408         // IE
 409         if (document.selection  && !is_gecko) {
 410                 var theSelection = document.selection.createRange().text;
 411                 if (!theSelection)
 412                         theSelection=sampleText;
 413                 txtarea.focus();
 414                 if (theSelection.charAt(theSelection.length - 1) == " ") { // exclude ending space char, if any
 415                         theSelection = theSelection.substring(0, theSelection.length - 1);
 416                         document.selection.createRange().text = tagOpen + theSelection + tagClose + " ";
 417                 } else {
 418                         document.selection.createRange().text = tagOpen + theSelection + tagClose;
 419                 }
 420
 421         // Mozilla
 422         } else if(txtarea.selectionStart || txtarea.selectionStart == '0') {
 423                 var replaced = false;
 424                 var startPos = txtarea.selectionStart;
 425                 var endPos = txtarea.selectionEnd;
 426                 if (endPos-startPos)
 427                         replaced = true;
 428                 var scrollTop = txtarea.scrollTop;
 429                 var myText = (txtarea.value).substring(startPos, endPos);
 430                 if (!myText)
 431                         myText=sampleText;
 432                 if (myText.charAt(myText.length - 1) == " ") { // exclude ending space char, if any
 433                         subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + " ";
 434                 } else {
 435                         subst = tagOpen + myText + tagClose;
 436                 }
 437                 txtarea.value = txtarea.value.substring(0, startPos) + subst +
 438                         txtarea.value.substring(endPos, txtarea.value.length);
 439                 txtarea.focus();
 440                 //set new selection
 441                 if (replaced) {
 442                         var cPos = startPos+(tagOpen.length+myText.length+tagClose.length);
 443                         txtarea.selectionStart = cPos;
 444                         txtarea.selectionEnd = cPos;
 445                 } else {
 446                         txtarea.selectionStart = startPos+tagOpen.length;
 447                         txtarea.selectionEnd = startPos+tagOpen.length+myText.length;
 448                 }
 449                 txtarea.scrollTop = scrollTop;
 450
 451         // All other browsers get no toolbar.
 452         // There was previously support for a crippled "help"
 453         // bar, but that caused more problems than it solved.
 454         }
 455         // reposition cursor if possible
 456         if (txtarea.createTextRange)
 457                 txtarea.caretPos = document.selection.createRange().duplicate();
 458 }
 459
 460 function akeytt() {
 461         if (typeof ta == "undefined" || !ta)
 462                 return;
 463         var pref = 'alt-';
 464         if (is_safari || navigator.userAgent.toLowerCase().indexOf('mac') + 1
 465                 || navigator.userAgent.toLowerCase().indexOf('konqueror') + 1 )
 466                 pref = 'control-';
 467         if (is_opera)
 468                 pref = 'shift-esc-';
 469
 470         for (var id in ta) {
 471                 var n = document.getElementById(id);
 472                 if (n) {
 473                         var a = null;
 474                         var ak = '';
 475                         // Are we putting accesskey in it
 476                         if (ta[id][0].length > 0) {
 477                                 // Is this object a object? If not assume it's the next child.
 478
 479                                 if (n.nodeName.toLowerCase() == "a") {
 480                                         a = n;
 481                                 } else {
 482                                         a = n.childNodes[0];
 483                                 }
 484
 485                                 if (a) {
 486                                         a.accessKey = ta[id][0];
 487                                         ak = ' ['+pref+ta[id][0]+']';
 488                                 }
 489                         } else {
 490                                 // We don't care what type the object is when assigning tooltip
 491                                 a = n;
 492                                 ak = '';
 493                         }
 494
 495                         if (a) {
 496                                 a.title = ta[id][1]+ak;
 497                         }
 498                 }
 499         }
 500 }
 501
 502 function setupRightClickEdit() {
 503         if (document.getElementsByTagName) {
 504                 var divs = document.getElementsByTagName('div');
 505                 for (var i = 0; i < divs.length; i++) {
 506                         var el = divs[i];
 507                         if(el.className == 'editsection') {
 508                                 addRightClickEditHandler(el);
 509                         }
 510                 }
 511         }
 512 }
 513
 514 function addRightClickEditHandler(el) {
 515         for (var i = 0; i < el.childNodes.length; i++) {
 516                 var link = el.childNodes[i];
 517                 if (link.nodeType == 1 && link.nodeName.toLowerCase() == 'a') {
 518                         var editHref = link.getAttribute('href');
 519
 520                         // find the following a
 521                         var next = el.nextSibling;
 522                         while (next.nodeType != 1)
 523                                 next = next.nextSibling;
 524
 525                         // find the following header
 526                         next = next.nextSibling;
 527                         while (next.nodeType != 1)
 528                                 next = next.nextSibling;
 529
 530                         if (next && next.nodeType == 1 &&
 531                                 next.nodeName.match(/^[Hh][1-6]$/)) {
 532                                 next.oncontextmenu = function() {
 533                                         document.location = editHref;
 534                                         return false;
 535                                 }
 536                         }
 537                 }
 538         }
 539 }
 540
 541 function setupCheckboxShiftClick() {
 542         if (document.getElementsByTagName) {
 543                 var uls = document.getElementsByTagName('ul');
 544                 var len = uls.length;
 545                 for (var i = 0; i < len; ++i) {
 546                         addCheckboxClickHandlers(uls[i]);
 547                 }
 548         }
 549 }
 550
 551 function addCheckboxClickHandlers(ul, start, finish) {
 552         if (ul.checkboxHandlersTimer) {
 553                 clearInterval(ul.checkboxHandlersTimer);
 554         }
 555         if ( !ul.childNodes ) {
 556                 return;
 557         }
 558         var len = ul.childNodes.length;
 559         if (len < 2) {
 560                 return;
 561         }
 562         start = start || 0;
 563         finish = finish || start + 250;
 564         if ( finish > len ) { finish = len; }
 565         ul.checkboxes = ul.checkboxes || [];
 566         ul.lastCheckbox = ul.lastCheckbox || null;
 567         for (var i = start; i<finish; ++i) {
 568                 var child = ul.childNodes[i];
 569                 if ( child && child.childNodes && child.childNodes[0] ) {
 570                         var cb = child.childNodes[0];
 571                         if ( !cb.nodeName || cb.nodeName.toLowerCase() != 'input' ||
 572                              !cb.type || cb.type.toLowerCase() != 'checkbox' ) {
 573                                 return;
 574                         }
 575                         cb.index = ul.checkboxes.push(cb) - 1;
 576                         cb.container = ul;
 577                         cb.onmouseup = checkboxMouseupHandler;
 578                 }
 579         }
 580         if (finish < len) {
 581           var f=function(){ addCheckboxClickHandlers(ul, finish, finish+250); };
 582           ul.checkboxHandlersTimer=setInterval(f, 200);
 583         }
 584 }
 585
 586 function checkboxMouseupHandler(e) {
 587         if (typeof e == 'undefined') {
 588                 e = window.event;
 589         }
 590         if ( !e.shiftKey || this.container.lastCheckbox === null ) {
 591                 this.container.lastCheckbox = this.index;
 592                 return true;
 593         }
 594         var endState = !this.checked;
 595         if ( is_opera ) { // opera has already toggled the checkbox by this point
 596                 endState = !endState;
 597         }
 598         var start, finish;
 599         if ( this.index < this.container.lastCheckbox ) {
 600                 start = this.index + 1;
 601                 finish = this.container.lastCheckbox;
 602         } else {
 603                 start = this.container.lastCheckbox;
 604                 finish = this.index - 1;
 605         }
 606         for (var i = start; i <= finish; ++i ) {
 607                 this.container.checkboxes[i].checked = endState;
 608         }
 609         this.container.lastCheckbox = this.index;
 610         return true;
 611 }
 612
 613 function fillDestFilename() {
 614         if (!document.getElementById)
 615                 return;
 616         var path = document.getElementById('wpUploadFile').value;
 617         // Find trailing part
 618         var slash = path.lastIndexOf('/');
 619         var backslash = path.lastIndexOf('\\');
 620         var fname;
 621         if (slash == -1 && backslash == -1) {
 622                 fname = path;
 623         } else if (slash > backslash) {
 624                 fname = path.substring(slash+1, 10000);
 625         } else {
 626                 fname = path.substring(backslash+1, 10000);
 627         }
 628
 629         // Capitalise first letter and replace spaces by underscores
 630         fname = fname.charAt(0).toUpperCase().concat(fname.substring(1,10000)).replace(/ /g, '_');
 631
 632         // Output result
 633         var destFile = document.getElementById('wpDestFile');
 634         if (destFile)
 635                 destFile.value = fname;
 636 }
 637
 638
 639 function considerChangingExpiryFocus() {
 640         if (!document.getElementById)
 641                 return;
 642         var drop = document.getElementById('wpBlockExpiry');
 643         if (!drop)
 644                 return;
 645         var field = document.getElementById('wpBlockOther');
 646         if (!field)
 647                 return;
 648         var opt = drop.value;
 649         if (opt == 'other')
 650                 field.style.display = '';
 651         else
 652                 field.style.display = 'none';
 653 }
 654
 655 function scrollEditBox() {
 656         var editBoxEl = document.getElementById("wpTextbox1");
 657         var scrollTopEl = document.getElementById("wpScrolltop");
 658         var editFormEl = document.getElementById("editform");
 659
 660         if (editBoxEl && scrollTopEl) {
 661                 if (scrollTopEl.value) editBoxEl.scrollTop = scrollTopEl.value;
 662                 editFormEl.onsubmit = function() {
 663                         document.getElementById("wpScrolltop").value = document.getElementById("wpTextbox1").scrollTop;
 664                 }
 665         }
 666 }
 667
 668 hookEvent("load", scrollEditBox);
 669
 670 function allmessagesfilter() {
 671         text = document.getElementById('allmessagesinput').value;
 672         k = document.getElementById('allmessagestable');
 673         if (!k) { return;}
 674
 675         var items = k.getElementsByTagName('span');
 676
 677         if ( text.length > allmessages_prev.length ) {
 678                 for (var i = items.length-1, j = 0; i >= 0; i--) {
 679                         j = allmessagesforeach(items, i, j);
 680                 }
 681         } else {
 682                 for (var i = 0, j = 0; i < items.length; i++) {
 683                         j = allmessagesforeach(items, i, j);
 684                 }
 685         }
 686         allmessages_prev = text;
 687 }
 688
 689 function allmessagesforeach(items, i, j) {
 690         var hItem = items[i].getAttribute('id');
 691         if (hItem.substring(0,17) == 'sp-allmessages-i-') {
 692                 if (items[i].firstChild && items[i].firstChild.nodeName == '#text' && items[i].firstChild.nodeValue.indexOf(text) != -1) {
 693                         var itemA = document.getElementById( hItem.replace('i', 'r1') );
 694                         var itemB = document.getElementById( hItem.replace('i', 'r2') );
 695                         if ( itemA.style.display != '' ) {
 696                                 var s = "allmessageshider(\"" + hItem.replace('i', 'r1') + "\", \"" + hItem.replace('i', 'r2') + "\", '')";
 697                                 var k = window.setTimeout(s,j++*5);
 698                         }
 699                 } else {
 700                         var itemA = document.getElementById( hItem.replace('i', 'r1') );
 701                         var itemB = document.getElementById( hItem.replace('i', 'r2') );
 702                         if ( itemA.style.display != 'none' ) {
 703                                 var s = "allmessageshider(\"" + hItem.replace('i', 'r1') + "\", \"" + hItem.replace('i', 'r2') + "\", 'none')";
 704                                 var k = window.setTimeout(s,j++*5);
 705                         }
 706                 }
 707         }
 708         return j;
 709 }
 710
 711
 712 function allmessageshider(idA, idB, cstyle) {
 713         var itemA = document.getElementById( idA );
 714         var itemB = document.getElementById( idB );
 715         if (itemA) { itemA.style.display = cstyle; }
 716         if (itemB) { itemB.style.display = cstyle; }
 717 }
 718
 719 function allmessagesmodified() {
 720         allmessages_modified = !allmessages_modified;
 721         k = document.getElementById('allmessagestable');
 722         if (!k) { return;}
 723         var items = k.getElementsByTagName('tr');
 724         for (var i = 0, j = 0; i< items.length; i++) {
 725                 if (!allmessages_modified ) {
 726                         if ( items[i].style.display != '' ) {
 727                                 var s = "allmessageshider(\"" + items[i].getAttribute('id') + "\", null, '')";
 728                                 var k = window.setTimeout(s,j++*5);
 729                         }
 730                 } else if (items[i].getAttribute('class') == 'def' && allmessages_modified) {
 731                         if ( items[i].style.display != 'none' ) {
 732                                 var s = "allmessageshider(\"" + items[i].getAttribute('id') + "\", null, 'none')";
 733                                 var k = window.setTimeout(s,j++*5);
 734                         }
 735                 }
 736         }
 737 }
 738
 739 function allmessagesshow() {
 740         k = document.getElementById('allmessagesfilter');
 741         if (k) { k.style.display = ''; }
 742
 743         allmessages_prev = '';
 744         allmessages_modified = false;
 745 }
 746
 747 hookEvent("load", allmessagesshow);
 748 hookEvent("load", mwSetupToolbar);