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     function addReference(){
 114         var selection = window.getSelection();
 115         var n = selection.rangeCount;
 116
 117         if (n == 0) {
 118             window.alert("Nie zaznaczono żadnego obszaru");
 119             return false;
 120         }
 121
 122         // for now allow only 1 range
 123         if (n > 1) {
 124             window.alert("Zaznacz jeden obszar");
 125             return false;
 126         }
 127
 128         // remember the selected range
 129         var range = selection.getRangeAt(0);
 130
 131         if (!verifyTagInsertPoint(range.endContainer)) {
 132             window.alert("Nie można wstawić w to miejsce przypisu.");
 133             return false;
 134         }
 135
 136         var tag = $('<span></span>');
 137         range.collapse(false);
 138         range.insertNode(tag[0]);
 139
 140         xml2html({
 141             xml: '<ref href=""/>',
 142             success: function(text){
 143                 var t = $(text);
 144                 tag.replaceWith(t);
 145                 openForEdit(t);
 146             },
 147             error: function(){
 148                 tag.remove();
 149                 alert('Błąd przy dodawaniu referncji:' + errors);
 150             }
 151         })
 152     }
 153
 154
 155
 156
 157     /* Insert theme using current selection */
 158
 159     function addTheme(){
 160         var selection = window.getSelection();
 161         var n = selection.rangeCount;
 162
 163         if (n == 0) {
 164             window.alert("Nie zaznaczono żadnego obszaru");
 165             return false;
 166         }
 167
 168         // for now allow only 1 range
 169         if (n > 1) {
 170             window.alert("Zaznacz jeden obszar.");
 171             return false;
 172         }
 173
 174
 175         // remember the selected range
 176         var range = selection.getRangeAt(0);
 177
 178
 179         if ($(range.startContainer).is('.html-editarea') ||
 180         $(range.endContainer).is('.html-editarea')) {
 181             window.alert("Motywy można oznaczać tylko na tekście nie otwartym do edycji. \n Zamknij edytowany fragment i spróbuj ponownie.");
 182             return false;
 183         }
 184
 185         // verify if the start/end points make even sense -
 186         // they must be inside a x-node (otherwise they will be discarded)
 187         // and the x-node must be a main text
 188         if (!verifyTagInsertPoint(range.startContainer)) {
 189             window.alert("Motyw nie może się zaczynać w tym miejscu.");
 190             return false;
 191         }
 192
 193         if (!verifyTagInsertPoint(range.endContainer)) {
 194             window.alert("Motyw nie może się kończyć w tym miejscu.");
 195             return false;
 196         }
 197
 198         var date = (new Date()).getTime();
 199         var random = Math.floor(4000000000 * Math.random());
 200         var id = ('' + date) + '-' + ('' + random);
 201
 202         var createPoint = function(container, offset) {
 203             var offsetBetweenCommas = function(text, offset) {
 204                 if(text.length < 2 || offset < 1 || offset > text.length)
 205                     return false;
 206                 return text[offset-1] === ',' && text[offset] === ',';
 207             }
 208             var point = document.createRange();
 209             offset = offsetBetweenCommas(container.textContent, offset) ? offset - 1 : offset;
 210             point.setStart(container, offset);
 211             return point;
 212         }
 213
 214         var spoint = createPoint(range.startContainer, range.startOffset);
 215         var epoint = createPoint(range.endContainer, range.endOffset);
 216
 217         var mtag, btag, etag, errors;
 218
 219         // insert theme-ref
 220
 221         xml2html({
 222             xml: '<end id="e' + id + '" />',
 223             success: function(text){
 224                 etag = $('<span></span>');
 225                 epoint.insertNode(etag[0]);
 226                 etag.replaceWith(text);
 227                 xml2html({
 228                     xml: '<motyw id="m' + id + '"></motyw>',
 229                     success: function(text){
 230                         mtag = $('<span></span>');
 231                         spoint.insertNode(mtag[0]);
 232                         mtag.replaceWith(text);
 233                         xml2html({
 234                             xml: '<begin id="b' + id + '" />',
 235                             success: function(text){
 236                                 btag = $('<span></span>');
 237                                 spoint.insertNode(btag[0])
 238                                 btag.replaceWith(text);
 239                                 selection.removeAllRanges();
 240                                 openForEdit($('.motyw[theme-class="' + id + '"]'));
 241                             }
 242                         });
 243                     }
 244                 });
 245             }
 246         });
 247     }
 248
 249     function addSymbol() {
 250         if($('div.html-editarea textarea')[0]) {
 251             var specialCharsContainer = $("<div id='specialCharsContainer'><a href='#' id='specialCharsClose'>Zamknij</a><table id='tableSpecialChars' style='width: 600px;'></table></div>");
 252
 253             var specialChars = [' ', 'Ą','ą','Ć','ć','Ę','ę','Ł','ł','Ń','ń','Ó','ó','Ś','ś','Ż','ż','Ź','ź','Á','á','À','à',
 254             'Â','â','Ä','ä','Å','å','Ā','ā','Ă','ă','Ã','ã',
 255             'Æ','æ','Ç','ç','Č','č','Ċ','ċ','Ď','ď','É','é','È','è',
 256             'Ê','ê','Ë','ë','Ē','ē','Ě','ě','Ġ','ġ','Ħ','ħ','Í','í','Î','î',
 257             'Ī','ī','Ĭ','ĭ','Ľ','ľ','Ñ','ñ','Ň','ň','Ó','ó','Ö','ö',
 258             'Ô','ô','Ō','ō','Ǒ','ǒ','Œ','œ','Ø','ø','Ř','ř','Š',
 259             'š','Ş','ş','Ť','ť','Ţ','ţ','Ű','ű','Ú','ú','Ù','ù',
 260             'Ü','ü','Ů','ů','Ū','ū','Û','û','Ŭ','ŭ',
 261             'Ý','ý','Ž','ž','ß','Ð','ð','Þ','þ','А','а','Б',
 262             'б','В','в','Г','г','Д','д','Е','е','Ё','ё','Ж',
 263             'ж','З','з','И','и','Й','й','К','к','Л','л','М',
 264             'м','Н','н','О','о','П','п','Р','р','С','с',
 265             'Т','т','У','у','Ф','ф','Х','х','Ц','ц','Ч',
 266             'ч','Ш','ш','Щ','щ','Ъ','ъ','Ы','ы','Ь','ь','Э',
 267             'э','Ю','ю','Я','я','ѓ','є','і','ї','ј','љ','њ',
 268             'Ґ','ґ','Α','α','Β','β','Γ','γ','Δ','δ','Ε','ε',
 269             'Ζ','ζ','Η','η','Θ','θ','Ι','ι','Κ','κ','Λ','λ','Μ',
 270             'μ','Ν','ν','Ξ','ξ','Ο','ο','Π','π','Ρ','ρ','Σ','ς','σ',
 271             'Τ','τ','Υ','υ','Φ','φ','Χ','χ','Ψ','ψ','Ω','ω','–',
 272             '—','¡','¿','$','¢','£','€','©','®','°','¹','²','³',
 273             '¼','½','¾','†','§','‰','•','←','↑','→','↓',
 274             '„','”','„”','«','»','«»','»«','’','[',']','~','|','−','·',
 275             '×','÷','≈','≠','±','≤','≥','∈'];
 276             var tableContent = "<tr>";
 277
 278             for(var i in specialChars) {
 279                 if(i % 14 == 0 && i > 0) {
 280                     tableContent += "</tr><tr>";
 281                 }
 282                 tableContent += "<td><input type='button' class='specialBtn' value='"+specialChars[i]+"'/></td>";
 283             }
 284
 285             tableContent += "</tr>";
 286             $("body").append(specialCharsContainer);
 287
 288
 289              // localStorage for recently used characters - reading
 290              if (typeof(localStorage) != 'undefined') {
 291                  if (localStorage.getItem("recentSymbols")) {
 292                      var recent = localStorage.getItem("recentSymbols");
 293                      var recentArray = recent.split(";");
 294                      var recentRow = "";
 295                      for(var i in recentArray.reverse()) {
 296                         recentRow += "<td><input type='button' class='specialBtn recentSymbol' value='"+recentArray[i]+"'/></td>";
 297                      }
 298                      recentRow = "<tr>" + recentRow + "</tr>";
 299                  }
 300              }
 301             $("#tableSpecialChars").append(recentRow);
 302             $("#tableSpecialChars").append(tableContent);
 303
 304             /* events */
 305
 306             $('.specialBtn').click(function(){
 307                 var editArea = $('div.html-editarea textarea')[0];
 308                 var insertVal = $(this).val();
 309
 310                 // if we want to surround text with quotes
 311                 // not sure if just check if value has length == 2
 312
 313                 if (insertVal.length == 2) {
 314                     var startTag = insertVal[0];
 315                     var endTag = insertVal[1];
 316                                 var textAreaOpened = editArea;
 317                                 //IE support
 318                                 if (document.selection) {
 319                                     textAreaOpened.focus();
 320                                     sel = document.selection.createRange();
 321                                     sel.text = startTag + sel.text + endTag;
 322                                 }
 323                                 //MOZILLA/NETSCAPE support
 324                                 else if (textAreaOpened.selectionStart || textAreaOpened.selectionStart == '0') {
 325                                     var startPos = textAreaOpened.selectionStart;
 326                                     var endPos = textAreaOpened.selectionEnd;
 327                                     textAreaOpened.value = textAreaOpened.value.substring(0, startPos)
 328                                           + startTag + textAreaOpened.value.substring(startPos, endPos) + endTag + textAreaOpened.value.substring(endPos, textAreaOpened.value.length);
 329                                 }
 330                 } else {
 331                     // if we just want to insert single symbol
 332                     insertAtCaret(editArea, insertVal);
 333                 }
 334
 335                 // localStorage for recently used characters - saving
 336                 if (typeof(localStorage) != 'undefined') {
 337                     if (localStorage.getItem("recentSymbols")) {
 338                         var recent = localStorage.getItem("recentSymbols");
 339                         var recentArray = recent.split(";");
 340                         var valIndex = $.inArray(insertVal, recentArray);
 341                         //alert(valIndex);
 342                         if(valIndex == -1) {
 343                             // value not present in array yet
 344                             if(recentArray.length > 13){
 345                                 recentArray.shift();
 346                                 recentArray.push(insertVal);
 347                             } else {
 348                                 recentArray.push(insertVal);
 349                             }
 350                         } else  {
 351                             // value already in the array
 352                             for(var i = valIndex; i < recentArray.length; i++){
 353                                 recentArray[i] = recentArray[i+1];
 354                             }
 355                             recentArray[recentArray.length-1] = insertVal;
 356                         }
 357                         localStorage.setItem("recentSymbols", recentArray.join(";"));
 358                     } else {
 359                         localStorage.setItem("recentSymbols", insertVal);
 360                     }
 361                 }
 362                 $(specialCharsContainer).remove();
 363             });
 364             $('#specialCharsClose').click(function(){
 365                 $(specialCharsContainer).remove();
 366             });
 367
 368         } else {
 369             window.alert('Najedź na fragment tekstu, wybierz "Edytuj" i ustaw kursor na miejscu gdzie chcesz wstawić symbol.');
 370         }
 371     }
 372
 373     function insertAtCaret(txtarea,text) {
 374         /* http://www.scottklarr.com/topic/425/how-to-insert-text-into-a-textarea-where-the-cursor-is/ */
 375         var scrollPos = txtarea.scrollTop;
 376         var strPos = 0;
 377         var backStart = 0;
 378         var br = ((txtarea.selectionStart || txtarea.selectionStart == '0') ? "ff" : (document.selection ? "ie" : false ) );
 379         if (br == "ie") {
 380             txtarea.focus();
 381             var range = document.selection.createRange();
 382             range.moveStart ('character', -txtarea.value.length);
 383             strPos = backStart = range.text.length;
 384         } else if (br == "ff") {
 385             strPos = txtarea.selectionStart;
 386             backStart = txtarea.selectionEnd;
 387         }
 388         var front = (txtarea.value).substring(0,strPos);
 389         var back = (txtarea.value).substring(backStart,txtarea.value.length);
 390         txtarea.value=front+text+back;
 391         strPos = strPos + text.length;
 392         if (br == "ie") {
 393             txtarea.focus();
 394             var range = document.selection.createRange();
 395             range.moveStart ('character', -txtarea.value.length);
 396             range.moveStart ('character', strPos);
 397             range.moveEnd ('character', 0);
 398             range.select();
 399         } else if (br == "ff") {
 400             txtarea.selectionStart = strPos;
 401             txtarea.selectionEnd = strPos;
 402             txtarea.focus();
 403         }
 404         txtarea.scrollTop = scrollPos;
 405     }
 406
 407     /* open edition window for selected fragment */
 408     function openForEdit($origin){
 409         var $box = null
 410
 411         // annotations overlay their sub box - not their own box //
 412         if ($origin.is(".annotation-inline-box")) {
 413             $box = $("*[x-annotation-box]", $origin);
 414         }
 415         else {
 416             $box = $origin;
 417         }
 418         var x = $box[0].offsetLeft;
 419         var y = $box[0].offsetTop;
 420
 421         var w = $box.outerWidth();
 422         var h = $box.innerHeight();
 423
 424         if ($origin.is(".annotation-inline-box") | $origin.is('*[x-edit-no-format]')) {
 425             w = Math.max(w, 400);
 426             h = Math.max(h, 60);
 427             if($('.htmlview div').offset().left + $('.htmlview div').width() > ($('.vsplitbar').offset().left - 480)){
 428                 x = -(Math.max($origin.offset().left, $origin.width()));
 429             } else {
 430                 x = 100;
 431             }
 432         }
 433
 434         // start edition on this node
 435         var $overlay = $('<div class="html-editarea"><button class="accept-button">Zapisz</button><button class="delete-button">Usuń</button><button class="tytul-button akap-edit-button">tytuł dzieła</button><button class="wyroznienie-button akap-edit-button">wyróżnienie</button><button class="slowo-button akap-edit-button">słowo obce</button><button class="znak-button akap-edit-button">znak spec.</button><textarea></textarea></div>').css({
 436             position: 'absolute',
 437             height: h,
 438             left: x,
 439             top: y,
 440             width: w
 441         }).appendTo($box[0].offsetParent || $box.parent()).show();
 442
 443
 444         if ($origin.is('*[x-edit-no-format]')) {
 445             $('.akap-edit-button').remove();
 446         }
 447
 448         if ($origin.is('.motyw')) {
 449             $.themes.autocomplete($('textarea', $overlay));
 450         }
 451
 452         if ($origin.is('.motyw')){
 453             $('.delete-button', $overlay).click(function(){
 454                 if (window.confirm("Czy jesteś pewien, że chcesz usunąć ten motyw?")) {
 455                     $('[theme-class="' + $origin.attr('theme-class') + '"]').remove();
 456                     $overlay.remove();
 457                     $(document).unbind('click.blur-overlay');
 458                     return false;
 459                 };
 460             });
 461         }
 462         else if($box.is('*[x-annotation-box]') || $origin.is('*[x-edit-attribute]')) {
 463             $('.delete-button', $overlay).click(function(){
 464                 if (window.confirm("Czy jesteś pewien, że chcesz usunąć ten przypis?")) {
 465                     $origin.remove();
 466                     $overlay.remove();
 467                     $(document).unbind('click.blur-overlay');
 468                     return false;
 469                 };
 470             });
 471         }
 472         else {
 473             $('.delete-button', $overlay).html("Anuluj");
 474             $('.delete-button', $overlay).click(function(){
 475                 if (window.confirm("Czy jesteś pewien, że chcesz anulować zmiany?")) {
 476                     $overlay.remove();
 477                     $(document).unbind('click.blur-overlay');
 478                     return false;
 479                 };
 480             });
 481         }
 482
 483
 484         var serializer = new XMLSerializer();
 485
 486         if($box.attr("x-edit-attribute")) {
 487             source = $('<span x-pass-thru="true"/>');
 488             source.text($box.attr("data-wlf-" + $box.attr("x-edit-attribute")));
 489             source = source[0];
 490         } else {
 491             source = $box[0];
 492         }
 493
 494         html2text({
 495             element: source,
 496             stripOuter: true,
 497             success: function(text){
 498                 $('textarea', $overlay).val($.trim(text));
 499
 500                 setTimeout(function(){
 501                     $('textarea', $overlay).elastic().focus();
 502                 }, 50);
 503
 504                 function save(argument){
 505                     var nodeName = $box.attr('x-node') || 'pe';
 506                     var insertedText = $('textarea', $overlay).val();
 507
 508                     if ($origin.is('.motyw')) {
 509                         insertedText = insertedText.replace(/,\s*$/, '');
 510                     }
 511
 512                     if($box.attr("x-edit-attribute")) {
 513                         xml = '<' + nodeName + ' ' + $box.attr("x-edit-attribute") + '="' + insertedText + '"/>';
 514                     } else {
 515                         xml = '<' + nodeName + '>' + insertedText + '</' + nodeName + '>';
 516                     }
 517
 518
 519                     xml2html({
 520                         xml: xml,
 521                         success: function(element){
 522                             if (nodeName == 'out-of-flow-text') {
 523                                 $(element).children().insertAfter($origin);
 524                                 $origin.remove()
 525                             }
 526                             else if ($box.attr('x-edit-attribute')) {
 527                                 $(element).insertAfter($origin);
 528                                 $origin.remove();
 529                             }
 530                             else {
 531                                 $origin.html($(element).html());
 532                             }
 533                             $overlay.remove();
 534                         },
 535                         error: function(text){
 536                             alert('Błąd! ' + text);
 537                         }
 538                     })
 539
 540                     var msg = $("<div class='saveNotify'><p>Pamiętaj, żeby zapisać swoje zmiany.</p></div>");
 541                     $("#base").prepend(msg);
 542                     $('#base .saveNotify').fadeOut(3000, function(){
 543                         $(this).remove();
 544                     });
 545                 }
 546
 547                 $('.akap-edit-button', $overlay).click(function(){
 548                         var textAreaOpened = $('textarea', $overlay)[0];
 549                         var startTag = "";
 550                         var endTag = "";
 551                         var buttonName = this.innerHTML;
 552
 553                         if(buttonName == "słowo obce") {
 554                                 startTag = "<slowo_obce>";
 555                                 endTag = "</slowo_obce>";
 556                         } else if (buttonName == "wyróżnienie") {
 557                                 startTag = "<wyroznienie>";
 558                                 endTag = "</wyroznienie>";
 559                         } else if (buttonName == "tytuł dzieła") {
 560                                 startTag = "<tytul_dziela>";
 561                                 endTag = "</tytul_dziela>";
 562                         } else if(buttonName == "znak spec."){
 563                             addSymbol();
 564                             return false;
 565                         }
 566
 567                         var myField = textAreaOpened;
 568
 569                         //IE support
 570                         if (document.selection) {
 571                             textAreaOpened.focus();
 572                             sel = document.selection.createRange();
 573                             sel.text = startTag + sel.text + endTag;
 574                         }
 575                         //MOZILLA/NETSCAPE support
 576                         else if (textAreaOpened.selectionStart || textAreaOpened.selectionStart == '0') {
 577                             var startPos = textAreaOpened.selectionStart;
 578                             var endPos = textAreaOpened.selectionEnd;
 579                             textAreaOpened.value = textAreaOpened.value.substring(0, startPos)
 580                                   + startTag + textAreaOpened.value.substring(startPos, endPos) + endTag + textAreaOpened.value.substring(endPos, textAreaOpened.value.length);
 581                         }
 582                 });
 583
 584                 $('.accept-button', $overlay).click(function(){
 585                     save();
 586                     $(document).unbind('click.blur-overlay');
 587                 });
 588
 589                 $(document).bind('click.blur-overlay', function(event){
 590                     if ($(event.target).closest('.html-editarea, #specialCharsContainer').length > 0) {
 591                         return;
 592                     }
 593                     save();
 594                     $(document).unbind('click.blur-overlay');
 595                 });
 596
 597             },
 598             error: function(text){
 599                 alert('Błąd! ' + text);
 600             }
 601         });
 602     }
 603
 604
 605     function VisualPerspective(options){
 606
 607         var old_callback = options.callback;
 608
 609         options.callback = function(){
 610             var element = $("#html-view");
 611             var button = $('<button class="edit-button">Edytuj</button>');
 612
 613             if (!CurrentDocument.readonly) {
 614                 $('#html-view').bind('mousemove', function(event){
 615                     var editable = $(event.target).closest('*[x-editable]');
 616                     $('.active', element).not(editable).removeClass('active').children('.edit-button').remove();
 617
 618                     if (!editable.hasClass('active')) {
 619                         editable.addClass('active').append(button);
 620                     }
 621                     if (editable.is('.annotation-inline-box')) {
 622                         $('*[x-annotation-box]', editable).css({
 623                             position: 'absolute',
 624                             left: event.clientX - editable.offset().left + 5,
 625                             top: event.clientY - editable.offset().top + 5
 626                         }).show();
 627                     }
 628                     else {
 629                         $('*[x-annotation-box]').hide();
 630                     }
 631                 });
 632
 633                 $('#insert-reference-button').click(function(){
 634                     addReference();
 635                     return false;
 636                 });
 637
 638                 $('#insert-annotation-button').click(function(){
 639                     addAnnotation();
 640                     return false;
 641                 });
 642
 643                 $('#insert-theme-button').click(function(){
 644                     addTheme();
 645                     return false;
 646                 });
 647
 648                 $(document).on('click', '.edit-button', function(event){
 649                     event.preventDefault();
 650                     openForEdit($(this).parent());
 651                 });
 652
 653             }
 654
 655             $(document).on('click', '.motyw', function(){
 656                 selectTheme($(this).attr('theme-class'));
 657             });
 658
 659             old_callback.call(this);
 660         };
 661
 662         $.wiki.Perspective.call(this, options);
 663     };
 664
 665     VisualPerspective.prototype = new $.wiki.Perspective();
 666
 667     VisualPerspective.prototype.freezeState = function(){
 668
 669     };
 670
 671     VisualPerspective.prototype.onEnter = function(success, failure){
 672         $.wiki.Perspective.prototype.onEnter.call(this);
 673
 674         $.blockUI({
 675             message: 'Uaktualnianie widoku...'
 676         });
 677
 678         function _finalize(callback){
 679             $.unblockUI();
 680             if (callback)
 681                 callback();
 682         }
 683
 684         xml2html({
 685             xml: this.doc.text,
 686             success: function(element){
 687                 var htmlView = $('#html-view');
 688                 htmlView.html(element);
 689                 htmlView.find('*[x-node]').dblclick(function(e) {
 690                     if($(e.target).is('textarea'))
 691                         return;
 692                     var selection = window.getSelection();
 693                     selection.collapseToStart();
 694                     selection.modify('extend', 'forward', 'word');
 695                     e.stopPropagation();
 696                 });
 697                 _finalize(success);
 698             },
 699             error: function(text, source){
 700                 err = '<p class="error">Wystąpił błąd:</p><p>'+text+'</p>';
 701                 if (source)
 702                     err += '<pre>'+source.replace(/&/g, '&amp;').replace(/</g, '&lt;')+'</pre>'
 703                 $('#html-view').html(err);
 704                 _finalize(failure);
 705             }
 706         });
 707     };
 708
 709     VisualPerspective.prototype.onExit = function(success, failure){
 710         var self = this;
 711
 712         $.blockUI({
 713             message: 'Zapisywanie widoku...'
 714         });
 715
 716         function _finalize(callback){
 717             $.unblockUI();
 718             if (callback)
 719                 callback();
 720         }
 721
 722         if ($('#html-view .error').length > 0)
 723             return _finalize(failure);
 724
 725         html2text({
 726             element: $('#html-view').get(0),
 727             stripOuter: true,
 728             success: function(text){
 729                 self.doc.setText(text);
 730                 _finalize(success);
 731             },
 732             error: function(text){
 733                 $('#source-editor').html('<p>Wystąpił błąd:</p><pre>' + text + '</pre>');
 734                 _finalize(failure);
 735             }
 736         });
 737     };
 738
 739     $.wiki.VisualPerspective = VisualPerspective;
 740
 741 })(jQuery);