From 27aad148fb13a6705a8fd91ea693bd8ea46da396 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Aleksander=20=C5=81ukasz?=
 <aleksander.lukasz@nowoczesnapolska.org.pl>
Date: Tue, 6 Aug 2013 16:30:36 +0200
Subject: [PATCH] Fixing unwrapping text element from its parent

Fixing case where parent of a text element has siblings
other than text elements
---
 modules/documentCanvas/canvas/canvas.test3.js | 24 ++++++++++++++++---
 .../documentCanvas/canvas/documentElement.js  |  4 ++++
 2 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/modules/documentCanvas/canvas/canvas.test3.js b/modules/documentCanvas/canvas/canvas.test3.js
index ff30843..10f8348 100644
--- a/modules/documentCanvas/canvas/canvas.test3.js
+++ b/modules/documentCanvas/canvas/canvas.test3.js
@@ -686,8 +686,26 @@ describe('Canvas', function() {
                 });
             });
 
-            describe('unwrapping', function() {
-                it('unwraps DocumentTextElement from its parent DocumentNodeElement if it\'s its only child', function() {
+            describe('unwrapping DocumentTextElement from its parent DocumentNodeElement if it\'s its only child', function() {
+                it('unwraps text element from its parent and stays between its old parent siblings', function() {
+                    var c = canvas.fromXML('<section><div>Alice</div><div>has</div><div>a cat</div></section>'),
+                        section = c.doc(),
+                        sectionChildren = section.children(),
+                        divAlice = sectionChildren[0],
+                        divHas = sectionChildren[1],
+                        textHas = divHas.children()[0],
+                        divCat = sectionChildren[2];
+
+                    var newTextContainer = textHas.unwrap(),
+                        sectionChildren = section.children();
+
+                    expect(sectionChildren[0].sameNode(divAlice)).to.equal(true, 'divAlice ok');
+                    expect(newTextContainer.sameNode(section)).to.equal(true, 'unwrap returns new text parent DocumentNodeElement');
+                    expect(sectionChildren[1].getText()).to.equal('has');
+                    expect(sectionChildren[2].sameNode(divCat)).to.equal(true, 'divCat ok');
+
+                });
+                it('unwraps and join with its old parent adjacent text elements ', function() {
                     var c = canvas.fromXML('<section>Alice <span>has a</span> cat</section>'),
                     section = c.doc(),
                     text = section.children()[1].children()[0];
@@ -697,7 +715,7 @@ describe('Canvas', function() {
                     expect(section.children().length).to.equal(1, 'section has one child');
                     expect(section.children()[0].getText()).to.equal('Alice has a cat');
                     expect(newTextContainer.sameNode(c.doc())).to.equal(true, 'unwrap returns new text parent DocumentNodeElement');
-                })
+                });
             });
         });
 
diff --git a/modules/documentCanvas/canvas/documentElement.js b/modules/documentCanvas/canvas/documentElement.js
index e76ba78..cfdac5d 100644
--- a/modules/documentCanvas/canvas/documentElement.js
+++ b/modules/documentCanvas/canvas/documentElement.js
@@ -479,6 +479,10 @@ $.extend(DocumentTextElement.prototype, {
                     idx = grandParent.childIndex(parent),
                     prev = idx - 1 > -1 ? grandParentChildren[idx-1] : null,
                     next = idx + 1 < grandParentChildren.length ? grandParentChildren[idx+1] : null;
+                
+                prev = (prev instanceof DocumentTextElement) ? prev : null;
+                next = (next instanceof DocumentTextElement) ? next : null;
+
                 if(prev && next) {
                     prev.setText(prev.getText() + this.getText() + next.getText());
                     next.detach();
-- 
2.20.1