From a122d854d0a0b51bb699f89f39ca3c38a3f76be6 Mon Sep 17 00:00:00 2001
From: Nedyalko Nikolov <nedyalko.nikolov@telerik.com>
Date: Mon, 8 Jun 2015 09:27:59 +0300
Subject: [PATCH] Fixed issue with updating nested properties via binding.

---
 apps/tests/ui/bindable-tests.ts | 32 ++++++++++++++++++++++++++++++++
 ui/core/bindable.ts             |  2 +-
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/apps/tests/ui/bindable-tests.ts b/apps/tests/ui/bindable-tests.ts
index 137fcf057..0cc4354c2 100644
--- a/apps/tests/ui/bindable-tests.ts
+++ b/apps/tests/ui/bindable-tests.ts
@@ -541,4 +541,36 @@ export function test_BindingToDictionaryAtAppLevel() {
     }
 
     helper.buildUIAndRunTest(createLabel(), testFunc);
+}
+
+export function test_UpdatingNestedPropertyViaBinding() {
+    var expectedValue1 = "Alabala";
+    var expectedValue2 = "Tralala";
+    var viewModel = new observable.Observable();
+    var parentViewModel = new observable.Observable();
+    viewModel.set("parentView", parentViewModel);
+    parentViewModel.set("name", expectedValue1);
+
+    var testElement: bindable.Bindable = new bindable.Bindable();
+
+    testElement.bind({
+        sourceProperty: "parentView.name",
+        targetProperty: "targetName",
+        twoWay: true
+    }, viewModel);
+
+    var testElement2: bindable.Bindable = new bindable.Bindable();
+
+    testElement2.bind({
+        sourceProperty: "parentView.name",
+        targetProperty: "targetProperty",
+        twoWay: true
+    }, viewModel);
+
+    TKUnit.assertEqual(testElement.get("targetName"), expectedValue1);
+
+    testElement.set("targetName", expectedValue2);
+
+    TKUnit.assertEqual(parentViewModel.get("name"), expectedValue2);
+    TKUnit.assertEqual(testElement2.get("targetProperty"), expectedValue2);
 }
\ No newline at end of file
diff --git a/ui/core/bindable.ts b/ui/core/bindable.ts
index a5065671a..7d08a58ea 100644
--- a/ui/core/bindable.ts
+++ b/ui/core/bindable.ts
@@ -261,7 +261,7 @@ export class Binding {
             else {
                 this.updateTarget(expressionValue);
             }
-        } else if (data.propertyName === this.options.sourceProperty) {
+        } else if (data.propertyName === this.sourceOptions.property) {
             this.updateTarget(data.value);
         }
     }