Fixes #1561
[redakcja.git] / 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.is('*[x-annotation-box] *'))
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 spoint = document.createRange();
159         var epoint = document.createRange();
160
161         spoint.setStart(range.startContainer, range.startOffset);
162         epoint.setStart(range.endContainer, range.endOffset);
163
164         var mtag, btag, etag, errors;
165
166         // insert theme-ref
167
168         xml2html({
169             xml: '<end id="e' + id + '" />',
170             success: function(text){
171                 etag = $('<span></span>');
172                 epoint.insertNode(etag[0]);
173                 etag.replaceWith(text);
174                 xml2html({
175                     xml: '<motyw id="m' + id + '"></motyw>',
176                     success: function(text){
177                         mtag = $('<span></span>');
178                         spoint.insertNode(mtag[0]);
179                         mtag.replaceWith(text);
180                         xml2html({
181                             xml: '<begin id="b' + id + '" />',
182                             success: function(text){
183                                 btag = $('<span></span>');
184                                 spoint.insertNode(btag[0])
185                                 btag.replaceWith(text);
186                                 selection.removeAllRanges();
187                                 openForEdit($('.motyw[theme-class=' + id + ']'));
188                             }
189                         });
190                     }
191                 });
192             }
193         });
194     }
195
196     function addSymbol() {
197         if($('div.html-editarea textarea')[0]) {
198             var specialCharsContainer = $("<div id='specialCharsContainer'><a href='#' id='specialCharsClose'>Zamknij</a><table id='tableSpecialChars' style='width: 600px;'></table></div>");
199                         
200             var specialChars = ['Ą','ą','Ć','ć','Ę','ę','Ł','ł','Ń','ń','Ó','ó','Ś','ś','Ż','ż','Ź','ź','Á','á','À','à',
201             'Â','â','Ä','ä','Å','å','Ā','ā','Ă','ă','Ã','ã',
202             'Æ','æ','Ç','ç','Č','č','Ċ','ċ','Ď','ď','É','é','È','è',
203             'Ê','ê','Ë','ë','Ē','ē','Ě','ě','Ġ','ġ','Ħ','ħ','Í','í','Î','î',
204             'Ī','ī','Ĭ','ĭ','Ľ','ľ','Ñ','ñ','Ň','ň','Ó','ó','Ö','ö',
205             'Ô','ô','Ō','ō','Ǒ','ǒ','Œ','œ','Ø','ø','Ř','ř','Š',
206             'š','Ş','ş','Ť','ť','Ţ','ţ','Ű','ű','Ú','ú','Ù','ù',
207             'Ü','ü','Ů','ů','Ū','ū','Û','û','Ŭ','ŭ',
208             'Ý','ý','Ž','ž','ß','Ð','ð','Þ','þ','А','а','Б',
209             'б','В','в','Г','г','Д','д','Е','е','Ё','ё','Ж',
210             'ж','З','з','И','и','Й','й','К','к','Л','л','М',
211             'м','Н','н','О','о','П','п','Р','р','С','с',
212             'Т','т','У','у','Ф','ф','Х','х','Ц','ц','Ч',
213             'ч','Ш','ш','Щ','щ','Ъ','ъ','Ы','ы','Ь','ь','Э',
214             'э','Ю','ю','Я','я','ѓ','є','і','ї','ј','љ','њ',
215             'Ґ','ґ','Α','α','Β','β','Γ','γ','Δ','δ','Ε','ε',
216             'Ζ','ζ','Η','η','Θ','θ','Ι','ι','Κ','κ','Λ','λ','Μ',
217             'μ','Ν','ν','Ξ','ξ','Ο','ο','Π','π','Ρ','ρ','Σ','ς','σ',
218             'Τ','τ','Υ','υ','Φ','φ','Χ','χ','Ψ','ψ','Ω','ω','–',
219             '—','¡','¿','$','¢','£','€','©','®','°','¹','²','³',
220             '¼','½','¾','†','§','‰','•','←','↑','→','↓',
221             '„','”','„”','«','»','«»','»«','’','[',']','~','|','−','·',
222             '×','÷','≈','≠','±','≤','≥','∈'];
223             var tableContent = "<tr>";
224             
225             for(var i in specialChars) {
226                 if(i % 14 == 0 && i > 0) {
227                     tableContent += "</tr><tr>";
228                 }              
229                 tableContent += "<td><input type='button' class='specialBtn' value='"+specialChars[i]+"'/></td>";              
230             }
231             
232             tableContent += "</tr>";                                   
233             $("#content").append(specialCharsContainer);
234             
235             
236              // localStorage for recently used characters - reading
237              if (typeof(localStorage) != 'undefined') {
238                  if (localStorage.getItem("recentSymbols")) {
239                      var recent = localStorage.getItem("recentSymbols");
240                      var recentArray = recent.split(";");
241                      var recentRow = "";
242                      for(var i in recentArray.reverse()) {
243                         recentRow += "<td><input type='button' class='specialBtn recentSymbol' value='"+recentArray[i]+"'/></td>";              
244                      }
245                      recentRow = "<tr>" + recentRow + "</tr>";                              
246                  }
247              }            
248             $("#tableSpecialChars").append(recentRow);
249             $("#tableSpecialChars").append(tableContent);
250             
251             /* events */
252             
253             $('.specialBtn').click(function(){
254                 var editArea = $('div.html-editarea textarea')[0];
255                 var insertVal = $(this).val();
256                 
257                 // if we want to surround text with quotes
258                 // not sure if just check if value has length == 2
259                 
260                 if (insertVal.length == 2) {
261                     var startTag = insertVal[0];
262                     var endTag = insertVal[1];
263                                 var textAreaOpened = editArea;                                                  
264                                 //IE support
265                                 if (document.selection) {
266                                     textAreaOpened.focus();
267                                     sel = document.selection.createRange();
268                                     sel.text = startTag + sel.text + endTag;
269                                 }
270                                 //MOZILLA/NETSCAPE support
271                                 else if (textAreaOpened.selectionStart || textAreaOpened.selectionStart == '0') {
272                                     var startPos = textAreaOpened.selectionStart;
273                                     var endPos = textAreaOpened.selectionEnd;
274                                     textAreaOpened.value = textAreaOpened.value.substring(0, startPos)
275                                           + startTag + textAreaOpened.value.substring(startPos, endPos) + endTag + textAreaOpened.value.substring(endPos, textAreaOpened.value.length);
276                                 }                
277                 } else {
278                     // if we just want to insert single symbol
279                     insertAtCaret(editArea, insertVal);
280                 }
281                 
282                 // localStorage for recently used characters - saving
283                 if (typeof(localStorage) != 'undefined') {
284                     if (localStorage.getItem("recentSymbols")) {
285                         var recent = localStorage.getItem("recentSymbols");
286                         var recentArray = recent.split(";");
287                         var valIndex = $.inArray(insertVal, recentArray);
288                         //alert(valIndex);
289                         if(valIndex == -1) {
290                             // value not present in array yet
291                             if(recentArray.length > 13){
292                                 recentArray.shift();
293                                 recentArray.push(insertVal);
294                             } else {
295                                 recentArray.push(insertVal);
296                             }
297                         } else  {
298                             // value already in the array
299                             for(var i = valIndex; i < recentArray.length; i++){
300                                 recentArray[i] = recentArray[i+1];
301                             }
302                             recentArray[recentArray.length-1] = insertVal;
303                         }
304                         localStorage.setItem("recentSymbols", recentArray.join(";"));
305                     } else {
306                         localStorage.setItem("recentSymbols", insertVal);
307                     }
308                 }
309                 $(specialCharsContainer).remove();
310             });         
311             $('#specialCharsClose').click(function(){
312                 $(specialCharsContainer).remove();
313             });                   
314             
315         } else {
316             window.alert('Najedź na fragment tekstu, wybierz "Edytuj" i ustaw kursor na miejscu gdzie chcesz wstawić symbol.');
317         }
318     }
319
320     function insertAtCaret(txtarea,text) { 
321         /* http://www.scottklarr.com/topic/425/how-to-insert-text-into-a-textarea-where-the-cursor-is/ */
322         var scrollPos = txtarea.scrollTop; 
323         var strPos = 0; 
324         var backStart = 0;
325         var br = ((txtarea.selectionStart || txtarea.selectionStart == '0') ? "ff" : (document.selection ? "ie" : false ) );
326         if (br == "ie") { 
327             txtarea.focus();
328             var range = document.selection.createRange(); 
329             range.moveStart ('character', -txtarea.value.length); 
330             strPos = backStart = range.text.length; 
331         } else if (br == "ff") {
332             strPos = txtarea.selectionStart; 
333             backStart = txtarea.selectionEnd;
334         }
335         var front = (txtarea.value).substring(0,strPos); 
336         var back = (txtarea.value).substring(backStart,txtarea.value.length); 
337         txtarea.value=front+text+back; 
338         strPos = strPos + text.length; 
339         if (br == "ie") { 
340             txtarea.focus(); 
341             var range = document.selection.createRange(); 
342             range.moveStart ('character', -txtarea.value.length); 
343             range.moveStart ('character', strPos); 
344             range.moveEnd ('character', 0); 
345             range.select(); 
346         } else if (br == "ff") { 
347             txtarea.selectionStart = strPos; 
348             txtarea.selectionEnd = strPos; 
349             txtarea.focus(); 
350         } 
351         txtarea.scrollTop = scrollPos; 
352     } 
353
354     /* open edition window for selected fragment */
355     function openForEdit($origin){
356         var $box = null
357
358         // annotations overlay their sub box - not their own box //
359         if ($origin.is(".annotation-inline-box")) {
360             $box = $("*[x-annotation-box]", $origin);
361         }
362         else {
363             $box = $origin;
364         }
365         var x = $box[0].offsetLeft;
366         var y = $box[0].offsetTop;        
367         
368         var w = $box.outerWidth();
369         var h = $box.innerHeight();
370
371         if ($origin.is(".annotation-inline-box")) {
372             w = Math.max(w, 400);
373             h = Math.max(h, 60);
374             if($('.htmlview div').offset().left + $('.htmlview div').width() > ($('.vsplitbar').offset().left - 480)){
375                 x = -(Math.max($origin.offset().left, $origin.width())); 
376             } else {
377                 x = 100;
378             }
379         }
380
381         // start edition on this node
382         var $overlay = $('<div class="html-editarea"><button class="accept-button">Zapisz</button><button class="delete-button">Usuń</button><button class="tytul-button akap-edit-button">tytuł dzieła</button><button class="wyroznienie-button akap-edit-button">wyróżnienie</button><button class="slowo-button akap-edit-button">słowo obce</button><button class="znak-button akap-edit-button">znak spec.</button><textarea></textarea></div>').css({
383             position: 'absolute',
384             height: h,
385             left: x,
386             top: y,
387             width: w
388         }).appendTo($box[0].offsetParent || $box.parent()).show();
389         
390
391         if ($origin.is('.motyw')) {
392             $('.akap-edit-button').remove();
393             withThemes(function(canonThemes){
394                 $('textarea', $overlay).autocomplete(canonThemes, {
395                     autoFill: true,
396                     multiple: true,
397                     selectFirst: true,
398                     highlight: false
399                 });
400             })
401         }
402
403         if ($origin.is('.motyw')){
404             $('.delete-button', $overlay).click(function(){
405                 if (window.confirm("Czy jesteś pewien, że chcesz usunąć ten motyw ?")) {
406                     $('[theme-class=' + $origin.attr('theme-class') + ']').remove();
407                     $overlay.remove();
408                     $(document).unbind('click.blur-overlay');
409                     return false;
410                 };
411             });
412         }
413         else if($box.is('*[x-annotation-box]')) {
414             $('.delete-button', $overlay).click(function(){
415                 if (window.confirm("Czy jesteś pewien, że chcesz usunąć ten przypis?")) {
416                     $origin.remove();
417                     $overlay.remove();
418                     $(document).unbind('click.blur-overlay');
419                     return false;
420                 };
421             });
422         }
423         else {
424             $('.delete-button', $overlay).html("Anuluj");
425             $('.delete-button', $overlay).click(function(){
426                 if (window.confirm("Czy jesteś pewien, że chcesz anulować zmiany?")) {
427                     $overlay.remove();
428                     $(document).unbind('click.blur-overlay');
429                     return false;
430                 };
431             });
432         }
433
434
435         var serializer = new XMLSerializer();
436
437         html2text({
438             element: $box[0],
439             stripOuter: true,
440             success: function(text){
441                 $('textarea', $overlay).val($.trim(text));
442
443                 setTimeout(function(){
444                     $('textarea', $overlay).elastic().focus();
445                 }, 50);
446
447                 function save(argument){
448                     var nodeName = $box.attr('x-node') || 'pe';
449                     var insertedText = $('textarea', $overlay).val();
450
451                     if ($origin.is('.motyw')) {
452                         insertedText = insertedText.replace(/,\s*$/, '');
453                     }
454
455                     xml2html({
456                         xml: '<' + nodeName + '>' + insertedText + '</' + nodeName + '>',
457                         success: function(element){
458                             if (nodeName == 'out-of-flow-text') {
459                                 $(element).children().insertAfter($origin);
460                                 $origin.remove()
461                             }
462                             else {
463                                 $origin.html($(element).html());
464                             }
465                             $overlay.remove();
466                         },
467                         error: function(text){
468                             alert('Błąd! ' + text);
469                         }
470                     })
471                     
472                     var msg = $("<div class='saveNotify'><p>Pamiętaj, żeby zapisać swoje zmiany.</p></div>");
473                     $("#base").prepend(msg);
474                     $('#base .saveNotify').fadeOut(3000, function(){
475                         $(this).remove(); 
476                     });
477                 }
478
479                 $('.akap-edit-button', $overlay).click(function(){
480                         var textAreaOpened = $('textarea', $overlay)[0];
481                         var startTag = "";
482                         var endTag = "";
483                         var buttonName = this.innerHTML;
484
485                         if(buttonName == "słowo obce") {
486                                 startTag = "<slowo_obce>";
487                                 endTag = "</slowo_obce>";
488                         } else if (buttonName == "wyróżnienie") {
489                                 startTag = "<wyroznienie>";
490                                 endTag = "</wyroznienie>";
491                         } else if (buttonName == "tytuł dzieła") {
492                                 startTag = "<tytul_dziela>";
493                                 endTag = "</tytul_dziela>";
494                         } else if(buttonName == "znak spec."){
495                             addSymbol();
496                             return false;
497                         }
498                         
499                         var myField = textAreaOpened;                   
500                         
501                         //IE support
502                         if (document.selection) {
503                             textAreaOpened.focus();
504                             sel = document.selection.createRange();
505                             sel.text = startTag + sel.text + endTag;
506                         }
507                         //MOZILLA/NETSCAPE support
508                         else if (textAreaOpened.selectionStart || textAreaOpened.selectionStart == '0') {
509                             var startPos = textAreaOpened.selectionStart;
510                             var endPos = textAreaOpened.selectionEnd;
511                             textAreaOpened.value = textAreaOpened.value.substring(0, startPos)
512                                   + startTag + textAreaOpened.value.substring(startPos, endPos) + endTag + textAreaOpened.value.substring(endPos, textAreaOpened.value.length);
513                         }
514                 });
515
516                 $('.accept-button', $overlay).click(function(){
517                     save();
518                 });
519
520                 $(document).bind('click.blur-overlay', function(event){
521                     if ($(event.target).closest('.html-editarea, #specialCharsContainer').length > 0) {
522                         return;
523                     }
524                     save();
525                     $(document).unbind('click.blur-overlay');
526                 });
527
528             },
529             error: function(text){
530                 alert('Błąd! ' + text);
531             }
532         });
533     }
534
535     function VisualPerspective(options){
536
537         var old_callback = options.callback;
538
539         options.callback = function(){
540             var element = $("#html-view");
541             var button = $('<button class="edit-button">Edytuj</button>');
542
543             if (!CurrentDocument.readonly) {
544                 $('#html-view').bind('mousemove', function(event){
545                     var editable = $(event.target).closest('*[x-editable]');
546                     $('.active', element).not(editable).removeClass('active').children('.edit-button').remove();
547
548                     if (!editable.hasClass('active')) {
549                         editable.addClass('active').append(button);
550                     }
551                     if (editable.is('.annotation-inline-box')) {
552                         $('*[x-annotation-box]', editable).css({
553                             position: 'absolute',
554                             left: event.clientX - editable.offset().left + 5,
555                             top: event.clientY - editable.offset().top + 5
556                         }).show();
557                     }
558                     else {
559                         $('*[x-annotation-box]').hide();
560                     }
561                 });
562
563                 $('#insert-annotation-button').click(function(){
564                     addAnnotation();
565                     return false;
566                 });
567
568                 $('#insert-theme-button').click(function(){
569                     addTheme();
570                     return false;
571                 });            
572
573                 $('.edit-button').live('click', function(event){
574                     event.preventDefault();
575                     openForEdit($(this).parent());
576                 });
577
578             }
579
580             $('.motyw').live('click', function(){
581                 selectTheme($(this).attr('theme-class'));
582             });
583
584             old_callback.call(this);
585         };
586
587         $.wiki.Perspective.call(this, options);
588     };
589
590     VisualPerspective.prototype = new $.wiki.Perspective();
591
592     VisualPerspective.prototype.freezeState = function(){
593
594     };
595
596     VisualPerspective.prototype.onEnter = function(success, failure){
597         $.wiki.Perspective.prototype.onEnter.call(this);
598
599         $.blockUI({
600             message: 'Uaktualnianie widoku...'
601         });
602
603         function _finalize(callback){
604             $.unblockUI();
605             if (callback)
606                 callback();
607         }
608
609         xml2html({
610             xml: this.doc.text,
611             success: function(element){
612                 $('#html-view').html(element);
613                 _finalize(success);
614             },
615             error: function(text, source){
616                 err = '<p class="error">Wystąpił błąd:</p><p>'+text+'</p>';
617                 if (source)
618                     err += '<pre>'+source.replace(/&/g, '&amp;').replace(/</g, '&lt;')+'</pre>'
619                 $('#html-view').html(err);
620                 _finalize(failure);
621             }
622         });
623     };
624
625     VisualPerspective.prototype.onExit = function(success, failure){
626         var self = this;
627
628         $.blockUI({
629             message: 'Zapisywanie widoku...'
630         });
631
632         function _finalize(callback){
633             $.unblockUI();
634             if (callback)
635                 callback();
636         }
637
638         if ($('#html-view .error').length > 0)
639             return _finalize(failure);
640
641         html2text({
642             element: $('#html-view').get(0),
643             stripOuter: true,
644             success: function(text){
645                 self.doc.setText(text);
646                 _finalize(success);
647             },
648             error: function(text){
649                 $('#source-editor').html('<p>Wystąpił błąd:</p><pre>' + text + '</pre>');
650                 _finalize(failure);
651             }
652         });
653     };
654
655     $.wiki.VisualPerspective = VisualPerspective;
656
657 })(jQuery);