Rearrange source to src dir.
[redakcja.git] / src / redakcja / static / js / wiki / view_editor_wysiwyg.js
diff --git a/src/redakcja/static/js/wiki/view_editor_wysiwyg.js b/src/redakcja/static/js/wiki/view_editor_wysiwyg.js
new file mode 100644 (file)
index 0000000..3ec4f70
--- /dev/null
@@ -0,0 +1,676 @@
+(function($){
+
+    /* Show theme to the user */
+    function selectTheme(themeId){
+        var selection = window.getSelection();
+        selection.removeAllRanges();
+
+        var range = document.createRange();
+        var s = $(".motyw[theme-class='" + themeId + "']")[0];
+        var e = $(".end[theme-class='" + themeId + "']")[0];
+
+        if (s && e) {
+            range.setStartAfter(s);
+            range.setEndBefore(e);
+            selection.addRange(range);
+        }
+    };
+
+    /* Verify insertion port for annotation or theme */
+    function verifyTagInsertPoint(node){
+        if (node.nodeType == 3) { // Text Node
+            node = node.parentNode;
+        }
+
+        if (node.nodeType != 1) {
+            return false;
+        }
+
+        node = $(node);
+        var xtype = node.attr('x-node');
+
+        if (!xtype || (xtype.search(':') >= 0) ||
+        xtype == 'motyw' ||
+        xtype == 'begin' ||
+        xtype == 'end') {
+            return false;
+        }
+
+        // don't allow themes inside annotations
+        if (node.closest('[x-node="pe"]').length > 0)
+            return false;
+
+        return true;
+    }
+
+    /* Convert HTML fragment to plaintext */
+    var ANNOT_FORBIDDEN = ['pt', 'pa', 'pr', 'pe', 'begin', 'end', 'motyw'];
+
+    function html2plainText(fragment){
+        var text = "";
+
+        $(fragment.childNodes).each(function(){
+            if (this.nodeType == 3) // textNode
+                text += this.nodeValue;
+            else {
+                if (this.nodeType == 1 &&
+                        $.inArray($(this).attr('x-node'), ANNOT_FORBIDDEN) == -1) {
+                    text += html2plainText(this);
+                }
+            };
+        });
+
+        return text;
+    }
+
+
+    /* Insert annotation using current selection */
+    function addAnnotation(){
+        var selection = window.getSelection();
+        var n = selection.rangeCount;
+
+        if (n == 0) {
+            window.alert("Nie zaznaczono żadnego obszaru");
+            return false;
+        }
+
+        // for now allow only 1 range
+        if (n > 1) {
+            window.alert("Zaznacz jeden obszar");
+            return false;
+        }
+
+        // remember the selected range
+        var range = selection.getRangeAt(0);
+
+        if (!verifyTagInsertPoint(range.endContainer)) {
+            window.alert("Nie można wstawić w to miejsce przypisu.");
+            return false;
+        }
+
+        // BUG #273 - selected text can contain themes, which should be omitted from
+        // defining term
+        var text = html2plainText(range.cloneContents());
+        var tag = $('<span></span>');
+        range.collapse(false);
+        range.insertNode(tag[0]);
+
+        xml2html({
+            xml: '<pe><slowo_obce>' + text + '</slowo_obce> --- </pe>',
+            success: function(text){
+                var t = $(text);
+                tag.replaceWith(t);
+                openForEdit(t);
+            },
+            error: function(){
+                tag.remove();
+                alert('Błąd przy dodawaniu przypisu:' + errors);
+            }
+        })
+    }
+
+
+    /* Insert theme using current selection */
+
+    function addTheme(){
+        var selection = window.getSelection();
+        var n = selection.rangeCount;
+
+        if (n == 0) {
+            window.alert("Nie zaznaczono żadnego obszaru");
+            return false;
+        }
+
+        // for now allow only 1 range
+        if (n > 1) {
+            window.alert("Zaznacz jeden obszar.");
+            return false;
+        }
+
+
+        // remember the selected range
+        var range = selection.getRangeAt(0);
+
+
+        if ($(range.startContainer).is('.html-editarea') ||
+        $(range.endContainer).is('.html-editarea')) {
+            window.alert("Motywy można oznaczać tylko na tekście nie otwartym do edycji. \n Zamknij edytowany fragment i spróbuj ponownie.");
+            return false;
+        }
+
+        // verify if the start/end points make even sense -
+        // they must be inside a x-node (otherwise they will be discarded)
+        // and the x-node must be a main text
+        if (!verifyTagInsertPoint(range.startContainer)) {
+            window.alert("Motyw nie może się zaczynać w tym miejscu.");
+            return false;
+        }
+
+        if (!verifyTagInsertPoint(range.endContainer)) {
+            window.alert("Motyw nie może się kończyć w tym miejscu.");
+            return false;
+        }
+
+        var date = (new Date()).getTime();
+        var random = Math.floor(4000000000 * Math.random());
+        var id = ('' + date) + '-' + ('' + random);
+
+        var createPoint = function(container, offset) {
+            var offsetBetweenCommas = function(text, offset) {
+                if(text.length < 2 || offset < 1 || offset > text.length)
+                    return false;
+                return text[offset-1] === ',' && text[offset] === ',';
+            }
+            var point = document.createRange();
+            offset = offsetBetweenCommas(container.textContent, offset) ? offset - 1 : offset;
+            point.setStart(container, offset);
+            return point;
+        }
+        
+        var spoint = createPoint(range.startContainer, range.startOffset);
+        var epoint = createPoint(range.endContainer, range.endOffset);
+               
+        var mtag, btag, etag, errors;
+
+        // insert theme-ref
+
+        xml2html({
+            xml: '<end id="e' + id + '" />',
+            success: function(text){
+                etag = $('<span></span>');
+                epoint.insertNode(etag[0]);
+                etag.replaceWith(text);
+                xml2html({
+                    xml: '<motyw id="m' + id + '"></motyw>',
+                    success: function(text){
+                        mtag = $('<span></span>');
+                        spoint.insertNode(mtag[0]);
+                        mtag.replaceWith(text);
+                        xml2html({
+                            xml: '<begin id="b' + id + '" />',
+                            success: function(text){
+                                btag = $('<span></span>');
+                                spoint.insertNode(btag[0])
+                                btag.replaceWith(text);
+                                selection.removeAllRanges();
+                                openForEdit($('.motyw[theme-class=' + id + ']'));
+                            }
+                        });
+                    }
+                });
+            }
+        });
+    }
+
+    function addSymbol() {
+        if($('div.html-editarea textarea')[0]) {
+            var specialCharsContainer = $("<div id='specialCharsContainer'><a href='#' id='specialCharsClose'>Zamknij</a><table id='tableSpecialChars' style='width: 600px;'></table></div>");
+                        
+            var specialChars = [' ', 'Ą','ą','Ć','ć','Ę','ę','Ł','ł','Ń','ń','Ó','ó','Ś','ś','Ż','ż','Ź','ź','Á','á','À','à',
+            'Â','â','Ä','ä','Å','å','Ā','ā','Ă','ă','Ã','ã',
+            'Æ','æ','Ç','ç','Č','č','Ċ','ċ','Ď','ď','É','é','È','è',
+            'Ê','ê','Ë','ë','Ē','ē','Ě','ě','Ġ','ġ','Ħ','ħ','Í','í','Î','î',
+            'Ī','ī','Ĭ','ĭ','Ľ','ľ','Ñ','ñ','Ň','ň','Ó','ó','Ö','ö',
+            'Ô','ô','Ō','ō','Ǒ','ǒ','Œ','œ','Ø','ø','Ř','ř','Š',
+            'š','Ş','ş','Ť','ť','Ţ','ţ','Ű','ű','Ú','ú','Ù','ù',
+            'Ü','ü','Ů','ů','Ū','ū','Û','û','Ŭ','ŭ',
+            'Ý','ý','Ž','ž','ß','Ð','ð','Þ','þ','А','а','Б',
+            'б','В','в','Г','г','Д','д','Е','е','Ё','ё','Ж',
+            'ж','З','з','И','и','Й','й','К','к','Л','л','М',
+            'м','Н','н','О','о','П','п','Р','р','С','с',
+            'Т','т','У','у','Ф','ф','Х','х','Ц','ц','Ч',
+            'ч','Ш','ш','Щ','щ','Ъ','ъ','Ы','ы','Ь','ь','Э',
+            'э','Ю','ю','Я','я','ѓ','є','і','ї','ј','љ','њ',
+            'Ґ','ґ','Α','α','Β','β','Γ','γ','Δ','δ','Ε','ε',
+            'Ζ','ζ','Η','η','Θ','θ','Ι','ι','Κ','κ','Λ','λ','Μ',
+            'μ','Ν','ν','Ξ','ξ','Ο','ο','Π','π','Ρ','ρ','Σ','ς','σ',
+            'Τ','τ','Υ','υ','Φ','φ','Χ','χ','Ψ','ψ','Ω','ω','–',
+            '—','¡','¿','$','¢','£','€','©','®','°','¹','²','³',
+            '¼','½','¾','†','§','‰','•','←','↑','→','↓',
+            '„','”','„”','«','»','«»','»«','’','[',']','~','|','−','·',
+            '×','÷','≈','≠','±','≤','≥','∈'];
+            var tableContent = "<tr>";
+            
+            for(var i in specialChars) {
+                if(i % 14 == 0 && i > 0) {
+                    tableContent += "</tr><tr>";
+                }              
+                tableContent += "<td><input type='button' class='specialBtn' value='"+specialChars[i]+"'/></td>";              
+            }
+            
+            tableContent += "</tr>";                                   
+            $("#content").append(specialCharsContainer);
+            
+            
+             // localStorage for recently used characters - reading
+             if (typeof(localStorage) != 'undefined') {
+                 if (localStorage.getItem("recentSymbols")) {
+                     var recent = localStorage.getItem("recentSymbols");
+                     var recentArray = recent.split(";");
+                     var recentRow = "";
+                     for(var i in recentArray.reverse()) {
+                        recentRow += "<td><input type='button' class='specialBtn recentSymbol' value='"+recentArray[i]+"'/></td>";              
+                     }
+                     recentRow = "<tr>" + recentRow + "</tr>";                              
+                 }
+             }            
+            $("#tableSpecialChars").append(recentRow);
+            $("#tableSpecialChars").append(tableContent);
+            
+            /* events */
+            
+            $('.specialBtn').click(function(){
+                var editArea = $('div.html-editarea textarea')[0];
+                var insertVal = $(this).val();
+                
+                // if we want to surround text with quotes
+                // not sure if just check if value has length == 2
+                
+                if (insertVal.length == 2) {
+                    var startTag = insertVal[0];
+                    var endTag = insertVal[1];
+                               var textAreaOpened = editArea;                                                  
+                               //IE support
+                               if (document.selection) {
+                                   textAreaOpened.focus();
+                                   sel = document.selection.createRange();
+                                   sel.text = startTag + sel.text + endTag;
+                               }
+                               //MOZILLA/NETSCAPE support
+                               else if (textAreaOpened.selectionStart || textAreaOpened.selectionStart == '0') {
+                                   var startPos = textAreaOpened.selectionStart;
+                                   var endPos = textAreaOpened.selectionEnd;
+                                   textAreaOpened.value = textAreaOpened.value.substring(0, startPos)
+                                         + startTag + textAreaOpened.value.substring(startPos, endPos) + endTag + textAreaOpened.value.substring(endPos, textAreaOpened.value.length);
+                               }                
+                } else {
+                    // if we just want to insert single symbol
+                    insertAtCaret(editArea, insertVal);
+                }
+                
+                // localStorage for recently used characters - saving
+                if (typeof(localStorage) != 'undefined') {
+                    if (localStorage.getItem("recentSymbols")) {
+                        var recent = localStorage.getItem("recentSymbols");
+                        var recentArray = recent.split(";");
+                        var valIndex = $.inArray(insertVal, recentArray);
+                        //alert(valIndex);
+                        if(valIndex == -1) {
+                            // value not present in array yet
+                            if(recentArray.length > 13){
+                                recentArray.shift();
+                                recentArray.push(insertVal);
+                            } else {
+                                recentArray.push(insertVal);
+                            }
+                        } else  {
+                            // value already in the array
+                            for(var i = valIndex; i < recentArray.length; i++){
+                                recentArray[i] = recentArray[i+1];
+                            }
+                            recentArray[recentArray.length-1] = insertVal;
+                        }
+                        localStorage.setItem("recentSymbols", recentArray.join(";"));
+                    } else {
+                        localStorage.setItem("recentSymbols", insertVal);
+                    }
+                }
+                $(specialCharsContainer).remove();
+            });         
+            $('#specialCharsClose').click(function(){
+                $(specialCharsContainer).remove();
+            });                   
+            
+        } else {
+            window.alert('Najedź na fragment tekstu, wybierz "Edytuj" i ustaw kursor na miejscu gdzie chcesz wstawić symbol.');
+        }
+    }
+
+    function insertAtCaret(txtarea,text) { 
+        /* http://www.scottklarr.com/topic/425/how-to-insert-text-into-a-textarea-where-the-cursor-is/ */
+        var scrollPos = txtarea.scrollTop; 
+        var strPos = 0; 
+        var backStart = 0;
+        var br = ((txtarea.selectionStart || txtarea.selectionStart == '0') ? "ff" : (document.selection ? "ie" : false ) );
+        if (br == "ie") { 
+            txtarea.focus();
+            var range = document.selection.createRange(); 
+            range.moveStart ('character', -txtarea.value.length); 
+            strPos = backStart = range.text.length; 
+        } else if (br == "ff") {
+            strPos = txtarea.selectionStart; 
+            backStart = txtarea.selectionEnd;
+        }
+        var front = (txtarea.value).substring(0,strPos); 
+        var back = (txtarea.value).substring(backStart,txtarea.value.length); 
+        txtarea.value=front+text+back; 
+        strPos = strPos + text.length; 
+        if (br == "ie") { 
+            txtarea.focus(); 
+            var range = document.selection.createRange(); 
+            range.moveStart ('character', -txtarea.value.length); 
+            range.moveStart ('character', strPos); 
+            range.moveEnd ('character', 0); 
+            range.select(); 
+        } else if (br == "ff") { 
+            txtarea.selectionStart = strPos; 
+            txtarea.selectionEnd = strPos; 
+            txtarea.focus(); 
+        } 
+        txtarea.scrollTop = scrollPos; 
+    } 
+
+    /* open edition window for selected fragment */
+    function openForEdit($origin){
+        var $box = null
+
+        // annotations overlay their sub box - not their own box //
+        if ($origin.is(".annotation-inline-box")) {
+            $box = $("*[x-annotation-box]", $origin);
+        }
+        else {
+            $box = $origin;
+        }
+        var x = $box[0].offsetLeft;
+        var y = $box[0].offsetTop;        
+        
+        var w = $box.outerWidth();
+        var h = $box.innerHeight();
+
+        if ($origin.is(".annotation-inline-box")) {
+            w = Math.max(w, 400);
+            h = Math.max(h, 60);
+            if($('.htmlview div').offset().left + $('.htmlview div').width() > ($('.vsplitbar').offset().left - 480)){
+                x = -(Math.max($origin.offset().left, $origin.width())); 
+            } else {
+                x = 100;
+            }
+        }
+
+        // start edition on this node
+        var $overlay = $('<div class="html-editarea"><button class="accept-button">Zapisz</button><button class="delete-button">Usuń</button><button class="tytul-button akap-edit-button">tytuł dzieła</button><button class="wyroznienie-button akap-edit-button">wyróżnienie</button><button class="slowo-button akap-edit-button">słowo obce</button><button class="znak-button akap-edit-button">znak spec.</button><textarea></textarea></div>').css({
+            position: 'absolute',
+            height: h,
+            left: x,
+            top: y,
+            width: w
+        }).appendTo($box[0].offsetParent || $box.parent()).show();
+        
+
+        if ($origin.is('.motyw')) {
+           $('.akap-edit-button').remove();
+            withThemes(function(canonThemes){
+                $('textarea', $overlay).autocomplete(canonThemes, {
+                    autoFill: true,
+                    multiple: true,
+                    selectFirst: true,
+                    highlight: false
+                });
+            })
+        }
+
+        if ($origin.is('.motyw')){
+            $('.delete-button', $overlay).click(function(){
+                if (window.confirm("Czy jesteś pewien, że chcesz usunąć ten motyw ?")) {
+                    $('[theme-class=' + $origin.attr('theme-class') + ']').remove();
+                    $overlay.remove();
+                    $(document).unbind('click.blur-overlay');
+                    return false;
+                };
+            });
+        }
+        else if($box.is('*[x-annotation-box]')) {
+            $('.delete-button', $overlay).click(function(){
+                if (window.confirm("Czy jesteś pewien, że chcesz usunąć ten przypis?")) {
+                    $origin.remove();
+                    $overlay.remove();
+                    $(document).unbind('click.blur-overlay');
+                    return false;
+                };
+            });
+        }
+        else {
+            $('.delete-button', $overlay).html("Anuluj");
+            $('.delete-button', $overlay).click(function(){
+                if (window.confirm("Czy jesteś pewien, że chcesz anulować zmiany?")) {
+                    $overlay.remove();
+                    $(document).unbind('click.blur-overlay');
+                    return false;
+                };
+            });
+        }
+
+
+        var serializer = new XMLSerializer();
+
+        html2text({
+            element: $box[0],
+            stripOuter: true,
+            success: function(text){
+                $('textarea', $overlay).val($.trim(text));
+
+                setTimeout(function(){
+                    $('textarea', $overlay).elastic().focus();
+                }, 50);
+
+                function save(argument){
+                    var nodeName = $box.attr('x-node') || 'pe';
+                    var insertedText = $('textarea', $overlay).val();
+
+                    if ($origin.is('.motyw')) {
+                        insertedText = insertedText.replace(/,\s*$/, '');
+                    }
+
+                    xml2html({
+                        xml: '<' + nodeName + '>' + insertedText + '</' + nodeName + '>',
+                        success: function(element){
+                            if (nodeName == 'out-of-flow-text') {
+                                $(element).children().insertAfter($origin);
+                                $origin.remove()
+                            }
+                            else {
+                                $origin.html($(element).html());
+                            }
+                            $overlay.remove();
+                        },
+                        error: function(text){
+                            alert('Błąd! ' + text);
+                        }
+                    })
+                    
+                    var msg = $("<div class='saveNotify'><p>Pamiętaj, żeby zapisać swoje zmiany.</p></div>");
+                    $("#base").prepend(msg);
+                    $('#base .saveNotify').fadeOut(3000, function(){
+                        $(this).remove(); 
+                    });
+                }
+
+               $('.akap-edit-button', $overlay).click(function(){
+                       var textAreaOpened = $('textarea', $overlay)[0];
+                       var startTag = "";
+                       var endTag = "";
+                       var buttonName = this.innerHTML;
+
+                       if(buttonName == "słowo obce") {
+                               startTag = "<slowo_obce>";
+                               endTag = "</slowo_obce>";
+                       } else if (buttonName == "wyróżnienie") {
+                               startTag = "<wyroznienie>";
+                               endTag = "</wyroznienie>";
+                       } else if (buttonName == "tytuł dzieła") {
+                               startTag = "<tytul_dziela>";
+                               endTag = "</tytul_dziela>";
+                       } else if(buttonName == "znak spec."){
+                           addSymbol();
+                           return false;
+                       }
+                       
+                       var myField = textAreaOpened;                   
+                        
+                       //IE support
+                       if (document.selection) {
+                           textAreaOpened.focus();
+                           sel = document.selection.createRange();
+                           sel.text = startTag + sel.text + endTag;
+                       }
+                       //MOZILLA/NETSCAPE support
+                       else if (textAreaOpened.selectionStart || textAreaOpened.selectionStart == '0') {
+                           var startPos = textAreaOpened.selectionStart;
+                           var endPos = textAreaOpened.selectionEnd;
+                           textAreaOpened.value = textAreaOpened.value.substring(0, startPos)
+                                 + startTag + textAreaOpened.value.substring(startPos, endPos) + endTag + textAreaOpened.value.substring(endPos, textAreaOpened.value.length);
+                       }
+               });
+
+                $('.accept-button', $overlay).click(function(){
+                    save();
+                    $(document).unbind('click.blur-overlay');
+                });
+
+                $(document).bind('click.blur-overlay', function(event){
+                    if ($(event.target).closest('.html-editarea, #specialCharsContainer').length > 0) {
+                        return;
+                    }
+                    save();
+                    $(document).unbind('click.blur-overlay');
+                });
+
+            },
+            error: function(text){
+                alert('Błąd! ' + text);
+            }
+        });
+    }
+
+    function VisualPerspective(options){
+
+        var old_callback = options.callback;
+
+        options.callback = function(){
+            var element = $("#html-view");
+            var button = $('<button class="edit-button">Edytuj</button>');
+
+            if (!CurrentDocument.readonly) {
+                $('#html-view').bind('mousemove', function(event){
+                    var editable = $(event.target).closest('*[x-editable]');
+                    $('.active', element).not(editable).removeClass('active').children('.edit-button').remove();
+
+                    if (!editable.hasClass('active')) {
+                        editable.addClass('active').append(button);
+                    }
+                    if (editable.is('.annotation-inline-box')) {
+                        $('*[x-annotation-box]', editable).css({
+                            position: 'absolute',
+                            left: event.clientX - editable.offset().left + 5,
+                            top: event.clientY - editable.offset().top + 5
+                        }).show();
+                    }
+                    else {
+                        $('*[x-annotation-box]').hide();
+                    }
+                });
+
+                $('#insert-annotation-button').click(function(){
+                    addAnnotation();
+                    return false;
+                });
+
+                $('#insert-theme-button').click(function(){
+                    addTheme();
+                    return false;
+                });            
+
+                $('.edit-button').live('click', function(event){
+                    event.preventDefault();
+                    openForEdit($(this).parent());
+                });
+
+            }
+
+            $('.motyw').live('click', function(){
+                selectTheme($(this).attr('theme-class'));
+            });
+
+            old_callback.call(this);
+        };
+
+        $.wiki.Perspective.call(this, options);
+    };
+
+    VisualPerspective.prototype = new $.wiki.Perspective();
+
+    VisualPerspective.prototype.freezeState = function(){
+
+    };
+
+    VisualPerspective.prototype.onEnter = function(success, failure){
+        $.wiki.Perspective.prototype.onEnter.call(this);
+
+        $.blockUI({
+            message: 'Uaktualnianie widoku...'
+        });
+
+        function _finalize(callback){
+            $.unblockUI();
+            if (callback)
+                callback();
+        }
+
+        xml2html({
+            xml: this.doc.text,
+            success: function(element){
+                var htmlView = $('#html-view');
+                htmlView.html(element);
+                htmlView.find('*[x-node]').dblclick(function(e) {
+                    if($(e.target).is('textarea'))
+                        return;
+                    var selection = window.getSelection();
+                    selection.collapseToStart();
+                    selection.modify('extend', 'forward', 'word');
+                    e.stopPropagation();
+                });
+                _finalize(success);
+            },
+            error: function(text, source){
+                err = '<p class="error">Wystąpił błąd:</p><p>'+text+'</p>';
+                if (source)
+                    err += '<pre>'+source.replace(/&/g, '&amp;').replace(/</g, '&lt;')+'</pre>'
+                $('#html-view').html(err);
+                _finalize(failure);
+            }
+        });
+    };
+
+    VisualPerspective.prototype.onExit = function(success, failure){
+        var self = this;
+
+        $.blockUI({
+            message: 'Zapisywanie widoku...'
+        });
+
+        function _finalize(callback){
+            $.unblockUI();
+            if (callback)
+                callback();
+        }
+
+        if ($('#html-view .error').length > 0)
+            return _finalize(failure);
+
+        html2text({
+            element: $('#html-view').get(0),
+            stripOuter: true,
+            success: function(text){
+                self.doc.setText(text);
+                _finalize(success);
+            },
+            error: function(text){
+                $('#source-editor').html('<p>Wystąpił błąd:</p><pre>' + text + '</pre>');
+                _finalize(failure);
+            }
+        });
+    };
+
+    $.wiki.VisualPerspective = VisualPerspective;
+
+})(jQuery);