From 4c81ad4075b0e8e67f984cce3494f9853179a9d6 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Aleksander=20=C5=81ukasz?=
 <aleksander.lukasz@nowoczesnapolska.org.pl>
Date: Thu, 20 Jun 2013 11:02:52 +0200
Subject: [PATCH 1/1] canvas api wip: splitting nodes with subnodes

---
 modules/documentCanvas/canvas.js            | 36 +++++++++++++++------
 modules/documentCanvas/tests/canvas.test.js | 12 +++++++
 2 files changed, 39 insertions(+), 9 deletions(-)

diff --git a/modules/documentCanvas/canvas.js b/modules/documentCanvas/canvas.js
index 2d364ac..44f88a9 100644
--- a/modules/documentCanvas/canvas.js
+++ b/modules/documentCanvas/canvas.js
@@ -68,22 +68,40 @@ Canvas.prototype.insertNode = function(options) {
 }
 
 Canvas.prototype.splitNode = function(options) {
+    options = _.extend({textNodeIdx: 0}, options);
+    
     var element = $(this.content.find('#' + options.node.id).get(0));
     
     var elementContents = element.contents();
-    if(elementContents.length !== 1 || elementContents.get(0).nodeType != 3)
+    if(elementContents.length === 0 || 
+       elementContents.length - 1 < options.textNodeIdx || 
+       elementContents.get(options.textNodeIdx).nodeType != 3)
         return false;
-    var textElement = elementContents.get(0);
+    
+    var textElement = elementContents.get(options.textNodeIdx);
+
+    var succeedingNodes = [];
+    var passed = false;
+    elementContents.each(function() {
+        var node = this;
+        if(passed)
+            succeedingNodes.push(node);
+        if(node.isSameNode(textElement))
+            passed = true;
+    });
     
     var prefix = textElement.data.substr(0, options.offset);
     var suffix = textElement.data.substr(options.offset);
-    var prefixNode = this._createNode(element.attr('wlxml-tag'), element.attr('wlxml-class'));
-    var suffixNode = this._createNode(element.attr('wlxml-tag'), element.attr('wlxml-class'));
-    prefixNode.text(prefix);
-    suffixNode.text(suffix);
-    element.before(prefixNode);
-    element.after(suffixNode);
-    element.remove();
+    
+    var $textElement = $(textElement);
+    $textElement.before(prefix);
+    $textElement.remove();
+    var newNode = this._createNode(element.attr('wlxml-tag'), element.attr('wlxml-class'));
+    newNode.append(suffix);
+    succeedingNodes.forEach(function(node) {
+        newNode.append(node)
+    });
+    element.after(newNode);
 }
 
 Canvas.prototype.createList = function(options) {
diff --git a/modules/documentCanvas/tests/canvas.test.js b/modules/documentCanvas/tests/canvas.test.js
index 386e375..a948787 100644
--- a/modules/documentCanvas/tests/canvas.test.js
+++ b/modules/documentCanvas/tests/canvas.test.js
@@ -81,6 +81,18 @@ define([
             );
         });
         
+        test('split node with subnodes', function() {
+            var c = new canvas.Canvas('<section><header class="some.class">Fancy and nice <span>header</span> 1</header></section>');
+            var header = c.getNode({tag: 'header'})[0];
+            c.splitNode({node: header, textNodeIdx: 0, offset: 5});
+            assert.xmlEqual(c.toXML(), '\
+                <section> \
+                    <header class="some.class">Fancy</header>\
+                    <header class="some.class"> and nice <span>header</span> 1</header>\
+                </section>'
+            );
+        });
+        
         test('list', function() {
             var c = new canvas.Canvas('<section><div>Alice</div>has<div>a cat</div></section>');
             var div1 = c.getNode({tag:'div'})[0];
-- 
2.20.1