remove empty list

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

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index a5a1abc..c158bac 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -12,6 +12,8 @@ define([
 /* globals Node */
 
 
 /* globals Node */
 
 

+var privateKey = '_smartxml';
+

 var DocumentNode = function(nativeNode, document) {
     if(!document) {
         throw new Error('undefined document for a node');
 var DocumentNode = function(nativeNode, document) {
     if(!document) {
         throw new Error('undefined document for a node');


@@ -48,7 +50,7 @@ $.extend(DocumentNode.prototype, {
         clone.find('*').addBack().each(function() {
             var el = this,
                 clonedData = $(this).data();
         clone.find('*').addBack().each(function() {
             var el = this,
                 clonedData = $(this).data();

-
+            $(el).removeData(privateKey);

             _.pairs(clonedData).forEach(function(pair) {
                 var key = pair[0],
                     value = pair[1];
             _.pairs(clonedData).forEach(function(pair) {
                 var key = pair[0],
                     value = pair[1];


@@ -180,6 +182,7 @@ $.extend(DocumentNode.prototype, {
 
 var ElementNode = function(nativeNode, document) {
     DocumentNode.call(this, nativeNode, document);
 
 var ElementNode = function(nativeNode, document) {
     DocumentNode.call(this, nativeNode, document);

+    $(nativeNode).data(privateKey, {node: this});

 };
 ElementNode.prototype = Object.create(DocumentNode.prototype);
 
 };
 ElementNode.prototype = Object.create(DocumentNode.prototype);
 


@@ -203,7 +206,9 @@ $.extend(ElementNode.prototype, {
         if(key) {
             return this._$.data(key);
         }
         if(key) {
             return this._$.data(key);
         }

-        return this._$.data();
+        var toret = _.clone(this._$.data());
+        delete toret[privateKey];
+        return toret;

     },
 
     getTagName: function() {
     },
 
     getTagName: function() {


@@ -245,11 +250,21 @@ $.extend(ElementNode.prototype, {
         return node && (node.nativeNode === this.nativeNode || node._$.parents().index(this._$) !== -1);
     },
 
         return node && (node.nativeNode === this.nativeNode || node._$.parents().index(this._$) !== -1);
     },
 

+    getFirstTextNode: function() {
+        return this._getTextNode('first');
+    },
+

     getLastTextNode: function() {
     getLastTextNode: function() {

+        return this._getTextNode('last');
+    },
+
+    _getTextNode: function(which) {

         var contents = this.contents(),
             toret;
         var contents = this.contents(),
             toret;

-
-        contents.reverse().some(function(node) {
+        if(which === 'last') {
+            contents = contents.reverse();
+        }
+        contents.some(function(node) {

             if(node.nodeType === Node.TEXT_NODE) {
                 toret = node;
                 return true;
             if(node.nodeType === Node.TEXT_NODE) {
                 toret = node;
                 return true;


@@ -275,12 +290,33 @@ $.extend(ElementNode.prototype, {
 
 var TextNode = function(nativeNode, document) {
     DocumentNode.call(this, nativeNode, document);
 
 var TextNode = function(nativeNode, document) {
     DocumentNode.call(this, nativeNode, document);

+    this._data = Object.create({});
+    nativeNode.__smartxmlTextNodeInstance = this;

 };
 TextNode.prototype = Object.create(DocumentNode.prototype);
 
 $.extend(TextNode.prototype, {
     nodeType: Node.TEXT_NODE,
 
 };
 TextNode.prototype = Object.create(DocumentNode.prototype);
 
 $.extend(TextNode.prototype, {
     nodeType: Node.TEXT_NODE,
 

+    setData: function(arg1, arg2) {
+        if(arguments.length === 2) {
+            if(_.isUndefined(arg2)) {
+                delete this._data[arg1];
+            } else {
+                this._data[arg1] = arg2;
+            }
+        } else {
+            this._data = _.extend({}, arg1);
+        }
+    },
+
+    getData: function(key) {
+        if(key) {
+            return this._data[key];
+        }
+        return this._data;
+    },
+

     getText: function() {
         return this.nativeNode.data;
     },
     getText: function() {
         return this.nativeNode.data;
     },


@@ -352,7 +388,15 @@ $.extend(Document.prototype, Backbone.Events, fragments, {
     TextNodeFactory: TextNode,
 
     createDocumentNode: function(from) {
     TextNodeFactory: TextNode,
 
     createDocumentNode: function(from) {

-        if(!(from instanceof Node)) {
+        var cached;
+
+        if(from instanceof Node) {
+            /* globals Text */
+            cached = from instanceof Text ? from.__smartxmlTextNodeInstance : ($(from).data(privateKey) || {}).node;
+            if(cached instanceof DocumentNode) {
+                return cached;
+            }
+        } else {

             if(typeof from === 'string') {
                 from = parseXML(from);
                 this.normalizeXML(from);
             if(typeof from === 'string') {
                 from = parseXML(from);
                 this.normalizeXML(from);