smartxml: splitting text

[fnpeditor.git] / src / smartxml / smartxml.js

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index b150cde..6f4677b 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -54,7 +54,7 @@ $.extend(DocumentNode.prototype, {
     parent: function() {
         var parentNode = this.nativeNode.parentNode;
         if(parentNode && parentNode.nodeType === Node.ELEMENT_NODE) {
-            return this.document.createElementNode(parentNode);
+            return this.document.createDocumentNode(parentNode);
         }
         return null;
     },
@@ -82,6 +82,12 @@ $.extend(DocumentNode.prototype, {
         return myIdx < parentContents.length - 1 ? parentContents[myIdx+1] : null;
     },
 
+    isSurroundedByTextElements: function() {
+        var prev = this.prev(),
+            next = this.next();
+        return prev && (prev.nodeType === Node.TEXT_NODE) && next && (next.nodeType === Node.TEXT_NODE);
+    },
+
     after: INSERTION(function(nativeNode) {
         return this._$.after(nativeNode);
     }),
@@ -91,13 +97,12 @@ $.extend(DocumentNode.prototype, {
     }),
 
     wrapWith: function(node) {
-        node = node instanceof ElementNode ? node : this.document.createElementNode(node);
-
+        var insertion = this.getNodeInsertion(node);
         if(this.parent()) {
-            this.before(node);
+            this.before(insertion.ofNode);
         }
-        node.append(this);
-        return node;
+        insertion.ofNode.append(this);
+        return insertion.ofNode;
     },
 
     /**
@@ -129,13 +134,16 @@ $.extend(DocumentNode.prototype, {
             insertion.ofNode = node;
             insertion.insertsNew = !this.document.containsNode(node);
         } else {
-          insertion.ofNode = this.document.createElementNode(node);
+          insertion.ofNode = this.document.createDocumentNode(node);
           insertion.insertsNew = true;
         }
         return insertion;
     },
 
     getIndex: function() {
+        if(this.isRoot()) {
+            return 0;
+        }
         return this.parent().indexOf(this);
     }
 });
@@ -149,13 +157,11 @@ $.extend(ElementNode.prototype, {
     nodeType: Node.ELEMENT_NODE,
 
     detach: function() {
-        var prev = this.prev(),
+        var next;
+        if(parent && this.isSurroundedByTextElements()) {
             next = this.next();
-        if(parent) {
-            if(prev && prev.nodeType === Node.TEXT_NODE && next && next.nodeType === Node.TEXT_NODE) {
-                prev.appendText(next.getText());
-                next.detach();
-            }
+            this.prev().appendText(next.getText());
+            next.detach();
         }
         return DocumentNode.prototype.detach.call(this);
     },
@@ -184,12 +190,7 @@ $.extend(ElementNode.prototype, {
         var toret = [],
             document = this.document;
         this._$.contents().each(function() {
-            if(this.nodeType === Node.ELEMENT_NODE) {
-                toret.push(document.createElementNode(this));
-            }
-            else if(this.nodeType === Node.TEXT_NODE) {
-                toret.push(document.createTextNode(this));
-            }
+            toret.push(document.createDocumentNode(this));
         });
         return toret;
     },
@@ -199,7 +200,7 @@ $.extend(ElementNode.prototype, {
     },
 
     setTag: function(tagName) {
-        var node = this.document.createElementNode({tagName: tagName}),
+        var node = this.document.createDocumentNode({tagName: tagName}),
             oldTagName = this.getTagName(),
             myContents = this._$.contents();
 
@@ -251,18 +252,20 @@ $.extend(ElementNode.prototype, {
             return;
         }
 
-        var parentContents = parent.contents(),
-            myContents = this.contents(),
+        var myContents = this.contents(),
             myIdx = parent.indexOf(this);
 
+
         if(myContents.length === 0) {
             return this.detach();
         }
 
-        var moveLeftRange, moveRightRange, leftMerged;
+        var prev = this.prev(),
+            next = this.next(),
+            moveLeftRange, moveRightRange, leftMerged;
 
-        if(myIdx > 0 && (parentContents[myIdx-1].nodeType === TEXT_NODE) && (myContents[0].nodeType === TEXT_NODE)) {
-            parentContents[myIdx-1].appendText(myContents[0].getText());
+        if(prev && (prev.nodeType === TEXT_NODE) && (myContents[0].nodeType === TEXT_NODE)) {
+            prev.appendText(myContents[0].getText());
             myContents[0].detach();
             moveLeftRange = true;
             leftMerged = true;
@@ -271,9 +274,10 @@ $.extend(ElementNode.prototype, {
         }
 
         if(!(leftMerged && myContents.length === 1)) {
-            if(myIdx < parentContents.length - 1 && (parentContents[myIdx+1].nodeType === TEXT_NODE) && (myContents[myContents.length-1].nodeType === TEXT_NODE)) {
-                parentContents[myIdx+1].prependText(myContents[myContents.length-1].getText());
-                myContents[myContents.length-1].detach();
+            var lastContents = _.last(myContents);
+            if(next && (next.nodeType === TEXT_NODE) && (lastContents.nodeType === TEXT_NODE)) {
+                next.prependText(lastContents.getText());
+                lastContents.detach();
                 moveRightRange = true;
             }
         }
@@ -347,6 +351,44 @@ $.extend(TextNode.prototype, {
         }
     },
 
+    split: function(params) {
+        var parentElement = this.parent(),
+            passed = false,
+            succeedingChildren = [],
+            prefix = this.getText().substr(0, params.offset),
+            suffix = this.getText().substr(params.offset);
+
+        parentElement.contents().forEach(function(child) {
+            if(passed) {
+                succeedingChildren.push(child);
+            }
+            if(child.sameNode(this)) {
+                passed = true;
+            }
+        }.bind(this));
+
+        if(prefix.length > 0) {
+            this.setText(prefix);
+        }
+        else {
+            this.detach();
+        }
+
+        var attrs = {};
+        parentElement.getAttrs().forEach(function(attr) {attrs[attr.name] = attr.value; });
+        var newElement = this.document.createDocumentNode({tagName: parentElement.getTagName(), attrs: attrs});
+        parentElement.after(newElement);
+
+        if(suffix.length > 0) {
+            newElement.append({text: suffix});
+        }
+        succeedingChildren.forEach(function(child) {
+            newElement.append(child);
+        });
+
+        return {first: parentElement, second: newElement};
+    },
+
     triggerTextChangeEvent: function() {
         var event = new events.ChangeEvent('nodeTextChange', {node: this});
         this.document.trigger('change', event);
@@ -355,7 +397,7 @@ $.extend(TextNode.prototype, {
 
 
 var parseXML = function(xml) {
-    return $(xml)[0];
+    return $($.trim(xml))[0];
 };
 
 var Document = function(xml) {
@@ -366,9 +408,9 @@ $.extend(Document.prototype, Backbone.Events, {
     ElementNodeFactory: ElementNode,
     TextNodeFactory: TextNode,
 
-    createElementNode: function(from) {
-        if(!(from instanceof HTMLElement)) {
-            if(from.text) {
+    createDocumentNode: function(from) {
+        if(!(from instanceof Node)) {
+            if(from.text !== undefined) {
                 from = document.createTextNode(from.text);
             } else {
                 var node = $('<' + from.tagName + '>');
@@ -389,10 +431,6 @@ $.extend(Document.prototype, Backbone.Events, {
         return new Factory(from, this);
     },
 
-    createTextNode: function(nativeNode) {
-        return new this.TextNodeFactory(nativeNode, this);
-    },
-
     loadXML: function(xml, options) {
         options = options || {};
         defineDocumentProperties(this, $(parseXML(xml)));
@@ -416,7 +454,7 @@ $.extend(Document.prototype, Backbone.Events, {
 
         var parent = params.element1.parent(),
             parentContents = parent.contents(),
-            wrapper = this.createElementNode({
+            wrapper = this.createDocumentNode({
                 tagName: params._with.tagName,
                 attrs: params._with.attrs}),
             idx1 = parent.indexOf(params.element1),
@@ -486,7 +524,7 @@ $.extend(Document.prototype, Backbone.Events, {
             throw new Error('Wrapping text in non-sibling text nodes not supported.');
         }
         
-        var wrapperElement = this.createElementNode({tagName: params._with.tagName, attrs: params._with.attrs});
+        var wrapperElement = this.createDocumentNode({tagName: params._with.tagName, attrs: params._with.attrs});
         textNode1.after(wrapperElement);
         textNode1.detach();
         
@@ -522,7 +560,7 @@ $.extend(Document.prototype, Backbone.Events, {
 
 var defineDocumentProperties = function(doc, $document) {
     Object.defineProperty(doc, 'root', {get: function() {
-        return doc.createElementNode($document[0]);
+        return doc.createDocumentNode($document[0]);
     }, configurable: true});
     Object.defineProperty(doc, 'dom', {get: function() {
         return $document[0];
@@ -531,7 +569,7 @@ var defineDocumentProperties = function(doc, $document) {
 
 return {
     documentFromXML: function(xml) {
-        return new Document(parseXML(xml));
+        return new Document(xml);
     },
 
     elementNodeFromXML: function(xml) {