src/redakcja/static/js/wiki/view_editor_wysiwyg.js

   1 (function($){
   2
   3     /* Show theme to the user */
   4     function selectTheme(themeId){
   5         var selection = window.getSelection();
   6         selection.removeAllRanges();
   7
   8         var range = document.createRange();
   9         var s = $(".motyw[theme-class='" + themeId + "']")[0];
  10         var e = $(".end[theme-class='" + themeId + "']")[0];
  11
  12         if (s && e) {
  13             range.setStartAfter(s);
  14             range.setEndBefore(e);
  15             selection.addRange(range);
  16         }
  17     };
  18
  19     /* Verify insertion port for annotation or theme */
  20     function verifyTagInsertPoint(node){
  21         if (node.nodeType == 3) { // Text Node
  22             node = node.parentNode;
  23         }
  24
  25         if (node.nodeType != 1) {
  26             return false;
  27         }
  28
  29         node = $(node);
  30         var xtype = node.attr('x-node');
  31
  32         if (!xtype || (xtype.search(':') >= 0) ||
  33         xtype == 'motyw' ||
  34         xtype == 'begin' ||
  35         xtype == 'end') {
  36             return false;
  37         }
  38
  39         // don't allow themes inside annotations
  40         if (node.closest('[x-node="pe"]').length > 0)
  41             return false;
  42
  43         return true;
  44     }
  45
  46     /* Convert HTML fragment to plaintext */
  47     var ANNOT_FORBIDDEN = ['pt', 'pa', 'pr', 'pe', 'begin', 'end', 'motyw'];
  48
  49     function html2plainText(fragment){
  50         var text = "";
  51
  52         $(fragment.childNodes).each(function(){
  53             if (this.nodeType == 3) // textNode
  54                 text += this.nodeValue;
  55             else {
  56                 if (this.nodeType == 1 &&
  57                         $.inArray($(this).attr('x-node'), ANNOT_FORBIDDEN) == -1) {
  58                     text += html2plainText(this);
  59                 }
  60             };
  61         });
  62
  63         return text;
  64     }
  65
  66
  67     /* Insert annotation using current selection */
  68     function addAnnotation(){
  69         var selection = window.getSelection();
  70         var n = selection.rangeCount;
  71
  72         if (n == 0) {
  73             window.alert("Nie zaznaczono żadnego obszaru");
  74             return false;
  75         }
  76
  77         // for now allow only 1 range
  78         if (n > 1) {
  79             window.alert("Zaznacz jeden obszar");
  80             return false;
  81         }
  82
  83         // remember the selected range
  84         var range = selection.getRangeAt(0);
  85
  86         if (!verifyTagInsertPoint(range.endContainer)) {
  87             window.alert("Nie można wstawić w to miejsce przypisu.");
  88             return false;
  89         }
  90
  91         // BUG #273 - selected text can contain themes, which should be omitted from
  92         // defining term
  93         var text = html2plainText(range.cloneContents());
  94         var tag = $('<span></span>');
  95         range.collapse(false);
  96         range.insertNode(tag[0]);
  97
  98         xml2html({
  99             xml: '<pe><slowo_obce>' + text + '</slowo_obce> --- </pe>',
 100             success: function(text){
 101                 var t = $(text);
 102                 tag.replaceWith(t);
 103                 openForEdit(t);
 104             },
 105             error: function(){
 106                 tag.remove();
 107                 alert('Błąd przy dodawaniu przypisu:' + errors);
 108             }
 109         })
 110     }
 111
 112
 113     /* Insert theme using current selection */
 114
 115     function addTheme(){
 116         var selection = window.getSelection();
 117         var n = selection.rangeCount;
 118
 119         if (n == 0) {
 120             window.alert("Nie zaznaczono żadnego obszaru");
 121             return false;
 122         }
 123
 124         // for now allow only 1 range
 125         if (n > 1) {
 126             window.alert("Zaznacz jeden obszar.");
 127             return false;
 128         }
 129
 130
 131         // remember the selected range
 132         var range = selection.getRangeAt(0);
 133
 134
 135         if ($(range.startContainer).is('.html-editarea') ||
 136         $(range.endContainer).is('.html-editarea')) {
 137             window.alert("Motywy można oznaczać tylko na tekście nie otwartym do edycji. \n Zamknij edytowany fragment i spróbuj ponownie.");
 138             return false;
 139         }
 140
 141         // verify if the start/end points make even sense -
 142         // they must be inside a x-node (otherwise they will be discarded)
 143         // and the x-node must be a main text
 144         if (!verifyTagInsertPoint(range.startContainer)) {
 145             window.alert("Motyw nie może się zaczynać w tym miejscu.");
 146             return false;
 147         }
 148
 149         if (!verifyTagInsertPoint(range.endContainer)) {
 150             window.alert("Motyw nie może się kończyć w tym miejscu.");
 151             return false;
 152         }
 153
 154         var date = (new Date()).getTime();
 155         var random = Math.floor(4000000000 * Math.random());
 156         var id = ('' + date) + '-' + ('' + random);
 157
 158         var createPoint = function(container, offset) {
 159             var offsetBetweenCommas = function(text, offset) {
 160                 if(text.length < 2 || offset < 1 || offset > text.length)
 161                     return false;
 162                 return text[offset-1] === ',' && text[offset] === ',';
 163             }
 164             var point = document.createRange();
 165             offset = offsetBetweenCommas(container.textContent, offset) ? offset - 1 : offset;
 166             point.setStart(container, offset);
 167             return point;
 168         }
 169
 170         var spoint = createPoint(range.startContainer, range.startOffset);
 171         var epoint = createPoint(range.endContainer, range.endOffset);
 172
 173         var mtag, btag, etag, errors;
 174
 175         // insert theme-ref
 176
 177         xml2html({
 178             xml: '<end id="e' + id + '" />',
 179             success: function(text){
 180                 etag = $('<span></span>');
 181                 epoint.insertNode(etag[0]);
 182                 etag.replaceWith(text);
 183                 xml2html({
 184                     xml: '<motyw id="m' + id + '"></motyw>',
 185                     success: function(text){
 186                         mtag = $('<span></span>');
 187                         spoint.insertNode(mtag[0]);
 188                         mtag.replaceWith(text);
 189                         xml2html({
 190                             xml: '<begin id="b' + id + '" />',
 191                             success: function(text){
 192                                 btag = $('<span></span>');
 193                                 spoint.insertNode(btag[0])
 194                                 btag.replaceWith(text);
 195                                 selection.removeAllRanges();
 196                                 openForEdit($('.motyw[theme-class=' + id + ']'));
 197                             }
 198                         });
 199                     }
 200                 });
 201             }
 202         });
 203     }
 204
 205     function addSymbol() {
 206         if($('div.html-editarea textarea')[0]) {
 207             var specialCharsContainer = $("<div id='specialCharsContainer'><a href='#' id='specialCharsClose'>Zamknij</a><table id='tableSpecialChars' style='width: 600px;'></table></div>");
 208
 209             var specialChars = [' ', 'Ą','ą','Ć','ć','Ę','ę','Ł','ł','Ń','ń','Ó','ó','Ś','ś','Ż','ż','Ź','ź','Á','á','À','à',
 210             'Â','â','Ä','ä','Å','å','Ā','ā','Ă','ă','Ã','ã',
 211             'Æ','æ','Ç','ç','Č','č','Ċ','ċ','Ď','ď','É','é','È','è',
 212             'Ê','ê','Ë','ë','Ē','ē','Ě','ě','Ġ','ġ','Ħ','ħ','Í','í','Î','î',
 213             'Ī','ī','Ĭ','ĭ','Ľ','ľ','Ñ','ñ','Ň','ň','Ó','ó','Ö','ö',
 214             'Ô','ô','Ō','ō','Ǒ','ǒ','Œ','œ','Ø','ø','Ř','ř','Š',
 215             'š','Ş','ş','Ť','ť','Ţ','ţ','Ű','ű','Ú','ú','Ù','ù',
 216             'Ü','ü','Ů','ů','Ū','ū','Û','û','Ŭ','ŭ',
 217             'Ý','ý','Ž','ž','ß','Ð','ð','Þ','þ','А','а','Б',
 218             'б','В','в','Г','г','Д','д','Е','е','Ё','ё','Ж',
 219             'ж','З','з','И','и','Й','й','К','к','Л','л','М',
 220             'м','Н','н','О','о','П','п','Р','р','С','с',
 221             'Т','т','У','у','Ф','ф','Х','х','Ц','ц','Ч',
 222             'ч','Ш','ш','Щ','щ','Ъ','ъ','Ы','ы','Ь','ь','Э',
 223             'э','Ю','ю','Я','я','ѓ','є','і','ї','ј','љ','њ',
 224             'Ґ','ґ','Α','α','Β','β','Γ','γ','Δ','δ','Ε','ε',
 225             'Ζ','ζ','Η','η','Θ','θ','Ι','ι','Κ','κ','Λ','λ','Μ',
 226             'μ','Ν','ν','Ξ','ξ','Ο','ο','Π','π','Ρ','ρ','Σ','ς','σ',
 227             'Τ','τ','Υ','υ','Φ','φ','Χ','χ','Ψ','ψ','Ω','ω','–',
 228             '—','¡','¿','$','¢','£','€','©','®','°','¹','²','³',
 229             '¼','½','¾','†','§','‰','•','←','↑','→','↓',
 230             '„','”','„”','«','»','«»','»«','’','[',']','~','|','−','·',
 231             '×','÷','≈','≠','±','≤','≥','∈'];
 232             var tableContent = "<tr>";
 233
 234             for(var i in specialChars) {
 235                 if(i % 14 == 0 && i > 0) {
 236                     tableContent += "</tr><tr>";
 237                 }
 238                 tableContent += "<td><input type='button' class='specialBtn' value='"+specialChars[i]+"'/></td>";
 239             }
 240
 241             tableContent += "</tr>";
 242             $("#content").append(specialCharsContainer);
 243
 244
 245              // localStorage for recently used characters - reading
 246              if (typeof(localStorage) != 'undefined') {
 247                  if (localStorage.getItem("recentSymbols")) {
 248                      var recent = localStorage.getItem("recentSymbols");
 249                      var recentArray = recent.split(";");
 250                      var recentRow = "";
 251                      for(var i in recentArray.reverse()) {
 252                         recentRow += "<td><input type='button' class='specialBtn recentSymbol' value='"+recentArray[i]+"'/></td>";
 253                      }
 254                      recentRow = "<tr>" + recentRow + "</tr>";
 255                  }
 256              }
 257             $("#tableSpecialChars").append(recentRow);
 258             $("#tableSpecialChars").append(tableContent);
 259
 260             /* events */
 261
 262             $('.specialBtn').click(function(){
 263                 var editArea = $('div.html-editarea textarea')[0];
 264                 var insertVal = $(this).val();
 265
 266                 // if we want to surround text with quotes
 267                 // not sure if just check if value has length == 2
 268
 269                 if (insertVal.length == 2) {
 270                     var startTag = insertVal[0];
 271                     var endTag = insertVal[1];
 272                                 var textAreaOpened = editArea;
 273                                 //IE support
 274                                 if (document.selection) {
 275                                     textAreaOpened.focus();
 276                                     sel = document.selection.createRange();
 277                                     sel.text = startTag + sel.text + endTag;
 278                                 }
 279                                 //MOZILLA/NETSCAPE support
 280                                 else if (textAreaOpened.selectionStart || textAreaOpened.selectionStart == '0') {
 281                                     var startPos = textAreaOpened.selectionStart;
 282                                     var endPos = textAreaOpened.selectionEnd;
 283                                     textAreaOpened.value = textAreaOpened.value.substring(0, startPos)
 284                                           + startTag + textAreaOpened.value.substring(startPos, endPos) + endTag + textAreaOpened.value.substring(endPos, textAreaOpened.value.length);
 285                                 }
 286                 } else {
 287                     // if we just want to insert single symbol
 288                     insertAtCaret(editArea, insertVal);
 289                 }
 290
 291                 // localStorage for recently used characters - saving
 292                 if (typeof(localStorage) != 'undefined') {
 293                     if (localStorage.getItem("recentSymbols")) {
 294                         var recent = localStorage.getItem("recentSymbols");
 295                         var recentArray = recent.split(";");
 296                         var valIndex = $.inArray(insertVal, recentArray);
 297                         //alert(valIndex);
 298                         if(valIndex == -1) {
 299                             // value not present in array yet
 300                             if(recentArray.length > 13){
 301                                 recentArray.shift();
 302                                 recentArray.push(insertVal);
 303                             } else {
 304                                 recentArray.push(insertVal);
 305                             }
 306                         } else  {
 307                             // value already in the array
 308                             for(var i = valIndex; i < recentArray.length; i++){
 309                                 recentArray[i] = recentArray[i+1];
 310                             }
 311                             recentArray[recentArray.length-1] = insertVal;
 312                         }
 313                         localStorage.setItem("recentSymbols", recentArray.join(";"));
 314                     } else {
 315                         localStorage.setItem("recentSymbols", insertVal);
 316                     }
 317                 }
 318                 $(specialCharsContainer).remove();
 319             });
 320             $('#specialCharsClose').click(function(){
 321                 $(specialCharsContainer).remove();
 322             });
 323
 324         } else {
 325             window.alert('Najedź na fragment tekstu, wybierz "Edytuj" i ustaw kursor na miejscu gdzie chcesz wstawić symbol.');
 326         }
 327     }
 328
 329     function insertAtCaret(txtarea,text) {
 330         /* http://www.scottklarr.com/topic/425/how-to-insert-text-into-a-textarea-where-the-cursor-is/ */
 331         var scrollPos = txtarea.scrollTop;
 332         var strPos = 0;
 333         var backStart = 0;
 334         var br = ((txtarea.selectionStart || txtarea.selectionStart == '0') ? "ff" : (document.selection ? "ie" : false ) );
 335         if (br == "ie") {
 336             txtarea.focus();
 337             var range = document.selection.createRange();
 338             range.moveStart ('character', -txtarea.value.length);
 339             strPos = backStart = range.text.length;
 340         } else if (br == "ff") {
 341             strPos = txtarea.selectionStart;
 342             backStart = txtarea.selectionEnd;
 343         }
 344         var front = (txtarea.value).substring(0,strPos);
 345         var back = (txtarea.value).substring(backStart,txtarea.value.length);
 346         txtarea.value=front+text+back;
 347         strPos = strPos + text.length;
 348         if (br == "ie") {
 349             txtarea.focus();
 350             var range = document.selection.createRange();
 351             range.moveStart ('character', -txtarea.value.length);
 352             range.moveStart ('character', strPos);
 353             range.moveEnd ('character', 0);
 354             range.select();
 355         } else if (br == "ff") {
 356             txtarea.selectionStart = strPos;
 357             txtarea.selectionEnd = strPos;
 358             txtarea.focus();
 359         }
 360         txtarea.scrollTop = scrollPos;
 361     }
 362
 363     /* open edition window for selected fragment */
 364     function openForEdit($origin){
 365         var $box = null
 366
 367         // annotations overlay their sub box - not their own box //
 368         if ($origin.is(".annotation-inline-box")) {
 369             $box = $("*[x-annotation-box]", $origin);
 370         }
 371         else {
 372             $box = $origin;
 373         }
 374         var x = $box[0].offsetLeft;
 375         var y = $box[0].offsetTop;
 376
 377         var w = $box.outerWidth();
 378         var h = $box.innerHeight();
 379
 380         if ($origin.is(".annotation-inline-box")) {
 381             w = Math.max(w, 400);
 382             h = Math.max(h, 60);
 383             if($('.htmlview div').offset().left + $('.htmlview div').width() > ($('.vsplitbar').offset().left - 480)){
 384                 x = -(Math.max($origin.offset().left, $origin.width()));
 385             } else {
 386                 x = 100;
 387             }
 388         }
 389
 390         // start edition on this node
 391         var $overlay = $('<div class="html-editarea"><button class="accept-button">Zapisz</button><button class="delete-button">Usuń</button><button class="tytul-button akap-edit-button">tytuł dzieła</button><button class="wyroznienie-button akap-edit-button">wyróżnienie</button><button class="slowo-button akap-edit-button">słowo obce</button><button class="znak-button akap-edit-button">znak spec.</button><textarea></textarea></div>').css({
 392             position: 'absolute',
 393             height: h,
 394             left: x,
 395             top: y,
 396             width: w
 397         }).appendTo($box[0].offsetParent || $box.parent()).show();
 398
 399
 400         if ($origin.is('.motyw')) {
 401             $('.akap-edit-button').remove();
 402             withThemes(function(canonThemes){
 403                 $('textarea', $overlay).autocomplete(canonThemes, {
 404                     autoFill: true,
 405                     multiple: true,
 406                     selectFirst: true,
 407                     highlight: false
 408                 });
 409             })
 410         }
 411
 412         if ($origin.is('.motyw')){
 413             $('.delete-button', $overlay).click(function(){
 414                 if (window.confirm("Czy jesteś pewien, że chcesz usunąć ten motyw ?")) {
 415                     $('[theme-class=' + $origin.attr('theme-class') + ']').remove();
 416                     $overlay.remove();
 417                     $(document).unbind('click.blur-overlay');
 418                     return false;
 419                 };
 420             });
 421         }
 422         else if($box.is('*[x-annotation-box]')) {
 423             $('.delete-button', $overlay).click(function(){
 424                 if (window.confirm("Czy jesteś pewien, że chcesz usunąć ten przypis?")) {
 425                     $origin.remove();
 426                     $overlay.remove();
 427                     $(document).unbind('click.blur-overlay');
 428                     return false;
 429                 };
 430             });
 431         }
 432         else {
 433             $('.delete-button', $overlay).html("Anuluj");
 434             $('.delete-button', $overlay).click(function(){
 435                 if (window.confirm("Czy jesteś pewien, że chcesz anulować zmiany?")) {
 436                     $overlay.remove();
 437                     $(document).unbind('click.blur-overlay');
 438                     return false;
 439                 };
 440             });
 441         }
 442
 443
 444         var serializer = new XMLSerializer();
 445
 446         html2text({
 447             element: $box[0],
 448             stripOuter: true,
 449             success: function(text){
 450                 $('textarea', $overlay).val($.trim(text));
 451
 452                 setTimeout(function(){
 453                     $('textarea', $overlay).elastic().focus();
 454                 }, 50);
 455
 456                 function save(argument){
 457                     var nodeName = $box.attr('x-node') || 'pe';
 458                     var insertedText = $('textarea', $overlay).val();
 459
 460                     if ($origin.is('.motyw')) {
 461                         insertedText = insertedText.replace(/,\s*$/, '');
 462                     }
 463
 464                     xml2html({
 465                         xml: '<' + nodeName + '>' + insertedText + '</' + nodeName + '>',
 466                         success: function(element){
 467                             if (nodeName == 'out-of-flow-text') {
 468                                 $(element).children().insertAfter($origin);
 469                                 $origin.remove()
 470                             }
 471                             else {
 472                                 $origin.html($(element).html());
 473                             }
 474                             $overlay.remove();
 475                         },
 476                         error: function(text){
 477                             alert('Błąd! ' + text);
 478                         }
 479                     })
 480
 481                     var msg = $("<div class='saveNotify'><p>Pamiętaj, żeby zapisać swoje zmiany.</p></div>");
 482                     $("#base").prepend(msg);
 483                     $('#base .saveNotify').fadeOut(3000, function(){
 484                         $(this).remove();
 485                     });
 486                 }
 487
 488                 $('.akap-edit-button', $overlay).click(function(){
 489                         var textAreaOpened = $('textarea', $overlay)[0];
 490                         var startTag = "";
 491                         var endTag = "";
 492                         var buttonName = this.innerHTML;
 493
 494                         if(buttonName == "słowo obce") {
 495                                 startTag = "<slowo_obce>";
 496                                 endTag = "</slowo_obce>";
 497                         } else if (buttonName == "wyróżnienie") {
 498                                 startTag = "<wyroznienie>";
 499                                 endTag = "</wyroznienie>";
 500                         } else if (buttonName == "tytuł dzieła") {
 501                                 startTag = "<tytul_dziela>";
 502                                 endTag = "</tytul_dziela>";
 503                         } else if(buttonName == "znak spec."){
 504                             addSymbol();
 505                             return false;
 506                         }
 507
 508                         var myField = textAreaOpened;
 509
 510                         //IE support
 511                         if (document.selection) {
 512                             textAreaOpened.focus();
 513                             sel = document.selection.createRange();
 514                             sel.text = startTag + sel.text + endTag;
 515                         }
 516                         //MOZILLA/NETSCAPE support
 517                         else if (textAreaOpened.selectionStart || textAreaOpened.selectionStart == '0') {
 518                             var startPos = textAreaOpened.selectionStart;
 519                             var endPos = textAreaOpened.selectionEnd;
 520                             textAreaOpened.value = textAreaOpened.value.substring(0, startPos)
 521                                   + startTag + textAreaOpened.value.substring(startPos, endPos) + endTag + textAreaOpened.value.substring(endPos, textAreaOpened.value.length);
 522                         }
 523                 });
 524
 525                 $('.accept-button', $overlay).click(function(){
 526                     save();
 527                     $(document).unbind('click.blur-overlay');
 528                 });
 529
 530                 $(document).bind('click.blur-overlay', function(event){
 531                     if ($(event.target).closest('.html-editarea, #specialCharsContainer').length > 0) {
 532                         return;
 533                     }
 534                     save();
 535                     $(document).unbind('click.blur-overlay');
 536                 });
 537
 538             },
 539             error: function(text){
 540                 alert('Błąd! ' + text);
 541             }
 542         });
 543     }
 544
 545     function VisualPerspective(options){
 546
 547         var old_callback = options.callback;
 548
 549         options.callback = function(){
 550             var element = $("#html-view");
 551             var button = $('<button class="edit-button">Edytuj</button>');
 552
 553             if (!CurrentDocument.readonly) {
 554                 $('#html-view').bind('mousemove', function(event){
 555                     var editable = $(event.target).closest('*[x-editable]');
 556                     $('.active', element).not(editable).removeClass('active').children('.edit-button').remove();
 557
 558                     if (!editable.hasClass('active')) {
 559                         editable.addClass('active').append(button);
 560                     }
 561                     if (editable.is('.annotation-inline-box')) {
 562                         $('*[x-annotation-box]', editable).css({
 563                             position: 'absolute',
 564                             left: event.clientX - editable.offset().left + 5,
 565                             top: event.clientY - editable.offset().top + 5
 566                         }).show();
 567                     }
 568                     else {
 569                         $('*[x-annotation-box]').hide();
 570                     }
 571                 });
 572
 573                 $('#insert-annotation-button').click(function(){
 574                     addAnnotation();
 575                     return false;
 576                 });
 577
 578                 $('#insert-theme-button').click(function(){
 579                     addTheme();
 580                     return false;
 581                 });
 582
 583                 $('.edit-button').live('click', function(event){
 584                     event.preventDefault();
 585                     openForEdit($(this).parent());
 586                 });
 587
 588             }
 589
 590             $('.motyw').live('click', function(){
 591                 selectTheme($(this).attr('theme-class'));
 592             });
 593
 594             old_callback.call(this);
 595         };
 596
 597         $.wiki.Perspective.call(this, options);
 598     };
 599
 600     VisualPerspective.prototype = new $.wiki.Perspective();
 601
 602     VisualPerspective.prototype.freezeState = function(){
 603
 604     };
 605
 606     VisualPerspective.prototype.onEnter = function(success, failure){
 607         $.wiki.Perspective.prototype.onEnter.call(this);
 608
 609         $.blockUI({
 610             message: 'Uaktualnianie widoku...'
 611         });
 612
 613         function _finalize(callback){
 614             $.unblockUI();
 615             if (callback)
 616                 callback();
 617         }
 618
 619         xml2html({
 620             xml: this.doc.text,
 621             success: function(element){
 622                 var htmlView = $('#html-view');
 623                 htmlView.html(element);
 624                 htmlView.find('*[x-node]').dblclick(function(e) {
 625                     if($(e.target).is('textarea'))
 626                         return;
 627                     var selection = window.getSelection();
 628                     selection.collapseToStart();
 629                     selection.modify('extend', 'forward', 'word');
 630                     e.stopPropagation();
 631                 });
 632                 _finalize(success);
 633             },
 634             error: function(text, source){
 635                 err = '<p class="error">Wystąpił błąd:</p><p>'+text+'</p>';
 636                 if (source)
 637                     err += '<pre>'+source.replace(/&/g, '&amp;').replace(/</g, '&lt;')+'</pre>'
 638                 $('#html-view').html(err);
 639                 _finalize(failure);
 640             }
 641         });
 642     };
 643
 644     VisualPerspective.prototype.onExit = function(success, failure){
 645         var self = this;
 646
 647         $.blockUI({
 648             message: 'Zapisywanie widoku...'
 649         });
 650
 651         function _finalize(callback){
 652             $.unblockUI();
 653             if (callback)
 654                 callback();
 655         }
 656
 657         if ($('#html-view .error').length > 0)
 658             return _finalize(failure);
 659
 660         html2text({
 661             element: $('#html-view').get(0),
 662             stripOuter: true,
 663             success: function(text){
 664                 self.doc.setText(text);
 665                 _finalize(success);
 666             },
 667             error: function(text){
 668                 $('#source-editor').html('<p>Wystąpił błąd:</p><pre>' + text + '</pre>');
 669                 _finalize(failure);
 670             }
 671         });
 672     };
 673
 674     $.wiki.VisualPerspective = VisualPerspective;
 675
 676 })(jQuery);