Merge pull request #886 from ckeditor/t/869

Fix: Changed insertContent behaviour, so it doesn't clone given nodes. Closes #869.

Author: Piotr Jasiun

src/controller/insertcontent.js

@@ -135,7 +135,7 @@ class Insertion {
 		nodes = Array.from( nodes );
 
 		for ( let i = 0; i < nodes.length; i++ ) {
-			const node = nodes[ i ].clone();
+			const node = nodes[ i ];
 
 			this._handleNode( node, {
 				isFirst: i === 0 && parentContext.isFirst,

tests/controller/insertcontent.js

@@ -9,6 +9,7 @@ import insertContent from '../../src/controller/insertcontent';
 
 import DocumentFragment from '../../src/model/documentfragment';
 import Text from '../../src/model/text';
+import Element from '../../src/model/element';
 
 import { setData, getData, parse } from '../../src/dev-utils/model';
 
@@ -62,6 +63,25 @@ describe( 'DataController', () => {
 			expect( getData( doc ) ).to.equal( 'xa[]x' );
 		} );
 
+		it( 'should save the reference to the original object', () => {
+			const doc = new Document();
+			const dataController = new DataController( doc );
+			const batch = doc.batch();
+			const content = new Element( 'image' );
+
+			doc.createRoot();
+
+			doc.schema.registerItem( 'paragraph', '$block' );
+			doc.schema.registerItem( 'image', '$inline' );
+			doc.schema.objects.add( 'image' );
+
+			setData( doc, '<paragraph>foo[]</paragraph>' );
+
+			insertContent( dataController, content, doc.selection, batch );
+
+			expect( doc.getRoot().getChild( 0 ).getChild( 1 ) ).to.equal( content );
+		} );
+
 		describe( 'in simple scenarios', () => {
 			beforeEach( () => {
 				doc = new Document();