editor: first approach to supplementing comments with user and date metadata
[fnpeditor.git] / src / editor / modules / documentCanvas / commands.js
index 1981429..8ceba63 100644 (file)
@@ -14,11 +14,27 @@ var commands = {
         this._cmds[name] = command;
     },
 
-    run: function(name, params, canvas) {
-        return this._cmds[name](canvas, params);
+    run: function(name, params, canvas, user) {
+        return this._cmds[name](canvas, params, user);
     }
 };
 
+commands.register('undo', function(canvas) {
+    var doc = canvas.wlxmlDocument;
+
+    doc.undo();
+});
+
+commands.register('redo', function(canvas) {
+    var doc = canvas.wlxmlDocument;
+
+    doc.redo();
+});
+
+commands.register('remove-node', function(canvas) {
+    canvas.getCurrentNodeElement().data('wlxmlNode').detach();
+});
+
 commands.register('unwrap-node', function(canvas) {
     var cursor = canvas.getCursor(),
         selectionStart = cursor.getSelectionStart(),
@@ -26,32 +42,40 @@ commands.register('unwrap-node', function(canvas) {
         parent1 = selectionStart.element.parent() || undefined,
         parent2 = selectionEnd.element.parent() || undefined;
 
-    if(canvas.list.areItemsOfTheSameList({element1: parent1, element2: parent2})) {
-        return;
-        // TODO
-        // var selectionAnchor = cursor.getSelectionAnchor();
-        // canvas.list.extractItems({element1: parent1, element2: parent2});
-        // canvas.setCurrentElement(selectionAnchor.element, {caretTo: selectionAnchor.offset});
+    var selectionAnchor = cursor.getSelectionAnchor(),
+        node1 = parent1.data('wlxmlNode'),
+        node2 = parent2.data('wlxmlNode'),
+        doc = node1.document;
+    if(doc.areItemsOfSameList({node1: node1, node2: node2})) {
+        doc.extractItems({item1: node1, item2: node2});
+        canvas.setCurrentElement(selectionAnchor.element, {caretTo: selectionAnchor.offset});
     } else if(!cursor.isSelecting()) {
         var nodeToUnwrap = cursor.getPosition().element.data('wlxmlNode'),
             parentNode = nodeToUnwrap.unwrap();
-        canvas.setCurrentElement(utils.findCanvasElement(parentNode));
+        if(parentNode) {
+            canvas.setCurrentElement(utils.findCanvasElement(parentNode));
+        }
     }
 });
 
-// commands.register('wrap-node', function(canvas) {
-//     var cursor = canvas.getCursor(),
-//         selectionStart = cursor.getSelectionStart(),
-//         selectionEnd = cursor.getSelectionEnd(),
-//         parent1 = selectionStart.element.parent() || undefined,
-//         parent2 = selectionEnd.element.parent() || undefined;
+commands.register('wrap-node', function(canvas) {
+    var cursor = canvas.getCursor(),
+        selectionStart = cursor.getSelectionStart(),
+        selectionEnd = cursor.getSelectionEnd(),
+        parent1 = selectionStart.element.parent() || undefined,
+        parent2 = selectionEnd.element.parent() || undefined;
+
+    var node1 = parent1.data('wlxmlNode'),
+        node2 = parent2.data('wlxmlNode'),
+        doc = node1.document;
 
-//     if(canvas.list.areItemsOfTheSameList({element1: parent1, element2: parent2})) {
-//         canvas.list.create({element1: parent1, element2: parent2});
-//     }
-// });
+    if(doc.areItemsOfSameList({node1: node1, node2: node2})) {
+        doc.createList({node1: node1, node2: node2});
+    }
+});
 
 commands.register('list', function(canvas, params) {
+    void(params);
     var cursor = canvas.getCursor(),
         selectionStart = cursor.getSelectionStart(),
         selectionEnd = cursor.getSelectionEnd(),
@@ -64,8 +88,11 @@ commands.register('list', function(canvas, params) {
         return;
     }
 
-    canvas.list.create({element1: parent1, element2: parent2});
-
+    var node1 = parent1.data('wlxmlNode'),
+        node2 = parent2.data('wlxmlNode'),
+        doc = node1.document;
+    
+    doc.createList({node1: node1, node2: node2});
     canvas.setCurrentElement(selectionFocus.element, {caretTo: selectionFocus.offset});
 });
 
@@ -74,30 +101,76 @@ commands.register('toggle-grid', function(canvas, params) {
     gridToggled = params.toggle;
 });
 
-commands.register('newNodeRequested', function(canvas, params) {
+commands.register('newNodeRequested', function(canvas, params, user) {
     var cursor = canvas.getCursor(),
         selectionStart = cursor.getSelectionStart(),
-        selectionEnd = cursor.getSelectionEnd();
+        selectionEnd = cursor.getSelectionEnd(),
+        wlxmlNode, caretTo, wrapper, wrapperCanvasElement;
+
+    var insertNode = function(insertion) {
+        var doc = canvas.wlxmlDocument,
+            node, metadata, creator, currentDate, dt;
+
+        var pad = function(number) {
+            if(number < 10) {
+                number = '0' + number;
+            }
+            return number;
+        };
+
+        doc.startTransaction();
+        node = insertion();
+        if(node.getTagName() === 'aside' && node.getClass() === 'comment') {
+            if(user) {
+                creator = user.name;
+                if(user.email) {
+                    creator += ' (' + user.email + ')';
+                }
+            } else {
+                creator = 'anonymous';
+            }
+
+            currentDate = new Date();
+            dt = pad(currentDate.getDate()) + '-' +
+                            pad((currentDate.getMonth() + 1))  + '-' +
+                            pad(currentDate.getFullYear()) + ' ' +
+                            pad(currentDate.getHours()) + ':' +
+                            pad(currentDate.getMinutes()) + ':' +
+                            pad(currentDate.getSeconds());
+
+            metadata = node.getMetadata();
+            metadata.add({key: 'creator', value: creator});
+            metadata.add({key: 'date', value: dt});
+        }
+        doc.endTransaction();
+        return node;
+    };
+
 
     if(cursor.isSelecting()) {
         if(cursor.isSelectingSiblings()) {
             if(cursor.isSelectingWithinElement()) {
-                var wlxmlNode = selectionStart.element.data('wlxmlNode'),
-                    caretTo = selectionStart.offset < selectionEnd.offset ? 'start' : 'end',
-                    wrapper = wlxmlNode.wrapWith({tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}, start: selectionStart.offset, end: selectionEnd.offset}),
-                    wrapperCanvasElement = utils.findCanvasElement(wrapper);
+                wlxmlNode = selectionStart.element.data('wlxmlNode');
+                caretTo = selectionStart.offset < selectionEnd.offset ? 'start' : 'end';
+
+                wrapper = insertNode(function() {
+                    return wlxmlNode.wrapWith({tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}, start: selectionStart.offset, end: selectionEnd.offset});
+                });
+                wrapperCanvasElement = utils.findCanvasElement(wrapper);
                 canvas.setCurrentElement(wrapperCanvasElement.children()[0], {caretTo: caretTo});
             }
             else {
-                var wlxmlNode = selectionStart.element.data('wlxmlNode').parent(),
-                    caretTo = selectionStart.element.sameNode(cursor.getSelectionAnchor().element) ? 'end' : 'start';
-
-                var wrapper = wlxmlNode.wrapText({
-                    _with: {tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}},
-                    offsetStart: selectionStart.offset,
-                    offsetEnd: selectionEnd.offset,
-                    textNodeIdx: [wlxmlNode.indexOf(selectionStart.element.data('wlxmlNode')), wlxmlNode.indexOf(selectionEnd.element.data('wlxmlNode'))] //parent.childIndex(selectionEnd.element)]
-                }),
+                wlxmlNode = selectionStart.element.data('wlxmlNode').parent();
+                caretTo = selectionStart.element.sameNode(cursor.getSelectionAnchor().element) ? 'end' : 'start';
+
+                wrapper = insertNode(function() {
+                    return wlxmlNode.wrapText({
+                        _with: {tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}},
+                        offsetStart: selectionStart.offset,
+                        offsetEnd: selectionEnd.offset,
+                        textNodeIdx: [wlxmlNode.indexOf(selectionStart.element.data('wlxmlNode')), wlxmlNode.indexOf(selectionEnd.element.data('wlxmlNode'))] //parent.childIndex(selectionEnd.element)]
+                    });
+                });
                 wrapperCanvasElement = utils.findCanvasElement(wrapper);
                 canvas.setCurrentElement(wrapperCanvasElement.children()[caretTo === 0 ? 0 : wrapperCanvasElement.children().length - 1], {caretTo: caretTo});
             }
@@ -107,35 +180,42 @@ commands.register('newNodeRequested', function(canvas, params) {
                 siblingParents = canvas.wlxmlDocument.getSiblingParents({node1: node1, node2: node2});
 
             if(siblingParents) {
-                canvas.wlxmlDocument.wrapNodes({
-                    element1: siblingParents.node1,
-                    element2: siblingParents.node2,
-                    _with: {tagName: params.wlxmlTag, attrs: {klass: params.wlxmlClass}}
+                insertNode(function() {
+                    return canvas.wlxmlDocument.wrapNodes({
+                        node1: siblingParents.node1,
+                        node2: siblingParents.node2,
+                        _with: {tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}}
+                    });
                 });
             }
         }
     } else if(canvas.getCurrentNodeElement()) {
-        var node = findCanvasElement(canvas.getCurrentNodeElement),
-            wrapper = node.wrapWith({tagName: params.wlxmlTag, attrs: {klass: params.wlxmlClass}});
-        canvas.setCurrentElement(findCanvasElement(wrapper));
+        wlxmlNode = canvas.getCurrentNodeElement().data('wlxmlNode');
+        wrapper = insertNode(function() {
+            return wlxmlNode.wrapWith({tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}});
+        });
+        canvas.setCurrentElement(utils.findCanvasElement(wrapper));
+
     }
 
 
 });
 
 commands.register('footnote', function(canvas, params) {
+    void(params);
     var cursor = canvas.getCursor(),
         position = cursor.getPosition(),
-        asideElement;
+        asideNode, asideElement;
         
 
     if(cursor.isSelectingWithinElement()) {
-        asideElement = position.element.wrapWithNodeElement({tag: 'aside', klass: 'footnote', start: cursor.getSelectionStart().offset, end: cursor.getSelectionEnd().offset});
+        asideNode = position.element.data('wlxmlNode').wrapWith({tagName: 'aside', attrs:{'class': 'footnote'}, start: cursor.getSelectionStart().offset, end: cursor.getSelectionEnd().offset});
     } else {
-        asideElement = position.element.divide({tag: 'aside', klass: 'footnote', offset: position.offset});
-        asideElement.append({text: ''});
+        asideNode = position.element.data('wlxmlNode').divideWithElementNode({tagName: 'aside', attrs:{'class': 'footnote'}}, {offset: position.offset});
+        asideNode.append({text: ''});
     }
 
+    asideElement = utils.findCanvasElement(asideNode);
     asideElement.toggle(true);
     canvas.setCurrentElement(asideElement);
 });
@@ -145,11 +225,11 @@ commands.register('take-away-node', function(canvas) {
         element = position.element,
         nodeElement = element ? element.parent() : canvas.getCurrentNodeElement();
 
-    if(!nodeElement || !(nodeElement.parent()))
+    if(!nodeElement || !(nodeElement.parent())) {
         return;
+    }
 
-
-    var range = nodeElement.unwrapContents();
+    var range = nodeElement.data('wlxmlNode').unwrapContent();
 
     if(element) {
         var elementIsFirstChild = nodeElement.childIndex(element);
@@ -157,21 +237,21 @@ commands.register('take-away-node', function(canvas) {
             canvas.setCurrentElement(element, {caretTo: position.offset});
         } else {
             if(elementIsFirstChild) {
-                canvas.setCurrentElement(range.element1, {caretTo: 'end'});
+                canvas.setCurrentElement(utils.findCanvasElement(range.element1), {caretTo: 'end'});
             } else {
-                canvas.setCurrentElement(range.element2, {caretTo: 'end'});
+                canvas.setCurrentElement(utils.findCanvasElement(range.element2), {caretTo: 'end'});
             }
         }
     } else {
-        canvas.setCurrentElement(range.element1, {caretTo: 'start'});
+        canvas.setCurrentElement(utils.findCanvasElement(range.element1), {caretTo: 'start'});
     }
 
 });
 
 
 return {
-    run: function(name, params, canvas) {
-        return commands.run(name, params, canvas);
+    run: function(name, params, canvas, user) {
+        return commands.run(name, params, canvas, user);
     }
 };