smartxml: wrapping sibling nodes
[fnpeditor.git] / src / smartxml / smartxml.js
index aa04fd7..28a88ee 100644 (file)
@@ -26,25 +26,39 @@ $.extend(DocumentNode.prototype, {
         this._$ = $(nativeNode);
     },
 
         this._$ = $(nativeNode);
     },
 
-    detach: function() { this._$.detach(); },
+    detach: function() {
+        this._$.detach();
+        return this;
+    },
 
     sameNode: function(otherNode) {
 
     sameNode: function(otherNode) {
-        return this.nativeNode === otherNode.nativeNode;
+        return otherNode && this.nativeNode === otherNode.nativeNode;
     },
 
     parent: function() {
         return this.nativeNode.parentNode ? this.document.createElementNode(this.nativeNode.parentNode) : null;
     },
 
     },
 
     parent: function() {
         return this.nativeNode.parentNode ? this.document.createElementNode(this.nativeNode.parentNode) : null;
     },
 
+    after: function(node) {
+        node = node instanceof ElementNode ? node : this.document.createElementNode(node);
+        this._$.after(node.nativeNode);
+        return node;
+    },
+
     before: function(node) {
     before: function(node) {
+        node = node instanceof ElementNode ? node : this.document.createElementNode(node);
         this._$.before(node.nativeNode);
         this._$.before(node.nativeNode);
+        return node;
     },
 
     wrapWith: function(node) {
     },
 
     wrapWith: function(node) {
+        node = node instanceof ElementNode ? node : this.document.createElementNode(node);
+
         if(this.parent()) {
             this.before(node);
         }
         node.append(this);
         if(this.parent()) {
             this.before(node);
         }
         node.append(this);
+        return node;
     },
 
     triggerChangeEvent: function(type, metaData) {
     },
 
     triggerChangeEvent: function(type, metaData) {
@@ -56,8 +70,9 @@ $.extend(DocumentNode.prototype, {
 var ElementNode = function(nativeNode, document) {
     DocumentNode.call(this, nativeNode, document);
 };
 var ElementNode = function(nativeNode, document) {
     DocumentNode.call(this, nativeNode, document);
 };
+ElementNode.prototype = Object.create(DocumentNode.prototype);
 
 
-$.extend(ElementNode.prototype, DocumentNode.prototype, {
+$.extend(ElementNode.prototype, {
     nodeType: Node.ELEMENT_NODE,
 
     setData: function(key, value) {
     nodeType: Node.ELEMENT_NODE,
 
     setData: function(key, value) {
@@ -100,7 +115,8 @@ $.extend(ElementNode.prototype, DocumentNode.prototype, {
 
     setTag: function(tagName) {
         var node = this.document.createElementNode({tagName: tagName}),
 
     setTag: function(tagName) {
         var node = this.document.createElementNode({tagName: tagName}),
-            oldTagName = this.getTagName();
+            oldTagName = this.getTagName(),
+            myContents = this._$.contents();
 
         this.getAttrs().forEach(function(attribute) {
             node.setAttr(attribute.name, attribute.value, true);
 
         this.getAttrs().forEach(function(attribute) {
             node.setAttr(attribute.name, attribute.value, true);
@@ -112,6 +128,7 @@ $.extend(ElementNode.prototype, DocumentNode.prototype, {
         }
         this._$.replaceWith(node._$);
         this._setNativeNode(node._$[0]);
         }
         this._$.replaceWith(node._$);
         this._setNativeNode(node._$[0]);
+        this._$.append(myContents);
         this.triggerChangeEvent('nodeTagChange', {oldTagName: oldTagName, newTagName: this.getTagName()});
     },
 
         this.triggerChangeEvent('nodeTagChange', {oldTagName: oldTagName, newTagName: this.getTagName()});
     },
 
@@ -135,8 +152,14 @@ $.extend(ElementNode.prototype, DocumentNode.prototype, {
         return toret;
     },
 
         return toret;
     },
 
-    append: function(documentNode) {
-        this._$.append(documentNode.nativeNode);
+    append: function(node) {
+        node = node instanceof DocumentNode ? node : this.document.createElementNode(node);
+        this._$.append(node.nativeNode);
+    },
+
+    prepend: function(node) {
+        node = node instanceof DocumentNode ? node : this.document.createElementNode(node);
+        this._$.prepend(node.nativeNode);
     },
 
     unwrapContent: function() {
     },
 
     unwrapContent: function() {
@@ -185,30 +208,65 @@ $.extend(ElementNode.prototype, DocumentNode.prototype, {
         };
     },
 
         };
     },
 
+    wrapText: function(params) {
+        return this.document._wrapText(_.extend({inside: this}, params));
+    },
+
     toXML: function() {
         var wrapper = $('<div>');
     toXML: function() {
         var wrapper = $('<div>');
-        wrapper.append(this._$);
+        wrapper.append(this._getXMLDOMToDump());
         return wrapper.html();
         return wrapper.html();
+    },
+    
+    _getXMLDOMToDump: function() {
+        return this._$;
     }
 });
 
 var TextNode = function(nativeNode, document) {
     DocumentNode.call(this, nativeNode, document);
 };
     }
 });
 
 var TextNode = function(nativeNode, document) {
     DocumentNode.call(this, nativeNode, document);
 };
+TextNode.prototype = Object.create(DocumentNode.prototype);
 
 
-$.extend(TextNode.prototype, DocumentNode.prototype, {
+$.extend(TextNode.prototype, {
     nodeType: Node.TEXT_NODE,
 
     getText: function() {
         return this.nativeNode.data;
     },
 
     nodeType: Node.TEXT_NODE,
 
     getText: function() {
         return this.nativeNode.data;
     },
 
+    setText: function(text) {
+        this.nativeNode.data = text;
+        this.triggerTextChangeEvent();
+    },
+
     appendText: function(text) {
         this.nativeNode.data = this.nativeNode.data + text;
     appendText: function(text) {
         this.nativeNode.data = this.nativeNode.data + text;
+        this.triggerTextChangeEvent();
     },
 
     prependText: function(text) {
         this.nativeNode.data = text + this.nativeNode.data;
     },
 
     prependText: function(text) {
         this.nativeNode.data = text + this.nativeNode.data;
+        this.triggerTextChangeEvent();
+    },
+
+    wrapWith: function(desc) {
+        if(typeof desc.start === 'number' && typeof desc.end === 'number') {
+            return this.document._wrapText({
+                inside: this.parent(),
+                textNodeIdx: this.parent().indexOf(this),
+                offsetStart: Math.min(desc.start, desc.end),
+                offsetEnd: Math.max(desc.start, desc.end),
+                _with: {tag: desc.tagName, attrs: desc.attrs}
+            });
+        } else {
+            return DocumentNode.prototype.wrapWith.call(this, desc);
+        }
+    },
+
+    triggerTextChangeEvent: function() {
+        var event = new events.ChangeEvent('nodeTextChange', {node: this});
+        this.document.trigger('change', event);
     }
 });
 
     }
 });
 
@@ -227,7 +285,17 @@ $.extend(Document.prototype, Backbone.Events, {
 
     createElementNode: function(from) {
         if(!(from instanceof HTMLElement)) {
 
     createElementNode: function(from) {
         if(!(from instanceof HTMLElement)) {
-            from = $('<' + from.tagName + '>');
+            if(from.text) {
+                from = document.createTextNode(from.text);
+            } else {
+                var node = $('<' + from.tagName + '>');
+
+                _.keys(from.attrs || {}).forEach(function(key) {
+                    node.attr(key, from.attrs[key]);
+                });
+
+                from = node[0];
+            }
         }
         return new this.ElementNodeFactory(from, this);
     },
         }
         return new this.ElementNodeFactory(from, this);
     },
@@ -236,14 +304,102 @@ $.extend(Document.prototype, Backbone.Events, {
         return new this.TextNodeFactory(nativeNode, this);
     },
 
         return new this.TextNodeFactory(nativeNode, this);
     },
 
-    loadXML: function(xml) {
+    loadXML: function(xml, options) {
+        options = options || {};
         defineDocumentProperties(this, $(parseXML(xml)));
         defineDocumentProperties(this, $(parseXML(xml)));
-        
-        this.trigger('contentSet');
+        if(!options.silent) {
+            this.trigger('contentSet');
+        }
     },
 
     toXML: function() {
         return this.root.toXML();
     },
 
     toXML: function() {
         return this.root.toXML();
+    },
+
+    wrapNodes: function(params) {
+        if(!(params.element1.parent().sameNode(params.element2.parent()))) {
+            throw new Error('Wrapping non-sibling nodes not supported.');
+        }
+
+        var parent = params.element1.parent(),
+            parentContents = parent.contents(),
+            wrapper = this.createElementNode({
+                tagName: params._with.tagName,
+                attrs: params._with.attrs}),
+            idx1 = parent.indexOf(params.element1),
+            idx2 = parent.indexOf(params.element2);
+
+        if(idx1 > idx2) {
+            var tmp = idx1;
+            idx1 = idx2;
+            idx2 = tmp;
+        }
+
+        var insertingMethod, insertingTarget;
+        if(idx1 === 0) {
+            insertingMethod = 'prepend';
+            insertingTarget = parent;
+        } else {
+            insertingMethod = 'after';
+            insertingTarget = parentContents[idx1-1];
+        }
+
+        for(var i = idx1; i <= idx2; i++) {
+            wrapper.append(parentContents[i].detach());
+        }
+
+        insertingTarget[insertingMethod](wrapper);
+        return wrapper;
+    },
+
+    _wrapText: function(params) {
+        params = _.extend({textNodeIdx: 0}, params);
+        if(typeof params.textNodeIdx === 'number') {
+            params.textNodeIdx = [params.textNodeIdx];
+        }
+        
+        var contentsInside = params.inside.contents(),
+            idx1 = Math.min.apply(Math, params.textNodeIdx),
+            idx2 = Math.max.apply(Math, params.textNodeIdx),
+            textNode1 = contentsInside[idx1],
+            textNode2 = contentsInside[idx2],
+            sameNode = textNode1.sameNode(textNode2),
+            prefixOutside = textNode1.getText().substr(0, params.offsetStart),
+            prefixInside = textNode1.getText().substr(params.offsetStart),
+            suffixInside = textNode2.getText().substr(0, params.offsetEnd),
+            suffixOutside = textNode2.getText().substr(params.offsetEnd)
+        ;
+
+        if(!(textNode1.parent().sameNode(textNode2.parent()))) {
+            throw new Error('Wrapping text in non-sibling text nodes not supported.');
+        }
+        
+        var wrapperElement = this.createElementNode({tagName: params._with.tag, attrs: params._with.attrs});
+        textNode1.after(wrapperElement);
+        textNode1.detach();
+        
+        if(prefixOutside.length > 0) {
+            wrapperElement.before({text:prefixOutside});
+        }
+        if(sameNode) {
+            var core = textNode1.getText().substr(params.offsetStart, params.offsetEnd - params.offsetStart);
+            wrapperElement.append({text: core});
+        } else {
+            textNode2.detach();
+            if(prefixInside.length > 0) {
+                wrapperElement.append({text: prefixInside});
+            }
+            for(var i = idx1 + 1; i < idx2; i++) {
+                wrapperElement.append(contentsInside[i]);
+            }
+            if(suffixInside.length > 0) {
+                wrapperElement.append({text: suffixInside});
+            }
+        }
+        if(suffixOutside.length > 0) {
+            wrapperElement.after({text: suffixOutside});
+        }
+        return wrapperElement;
     }
 });
 
     }
 });