Finished formatting editor tree items, fixed some bugs, editor now really changes (but not saves) the option container.

Author: Rpinski

src/AddIns/BackendBindings/CSharpBinding/Project/Src/FormattingStrategy/CSharpFormattingOptionsContainer.cs

@@ -194,8 +194,8 @@ public void SetOption(string option, object value)
 				activeOptions.Remove(option);
 				// Update formatting options object from parents
 				PropertyInfo propertyInfo = typeof(CSharpFormattingOptions).GetProperty(option);
-				if ((propertyInfo != null) && (propertyInfo.PropertyType == value.GetType())) {
-					propertyInfo.SetValue(cachedOptions, GetOption(option));
+				if (propertyInfo != null) {
+					propertyInfo.SetValue(cachedOptions, GetEffectiveOption(option));
 				}
 			}
 		}

src/AddIns/BackendBindings/CSharpBinding/Project/Src/FormattingStrategy/FormattingOptionBinding.cs

@@ -69,7 +69,7 @@ static void OnOptionPropertyChanged(DependencyObject o, DependencyPropertyChange
 			ComboBox comboBox = o as ComboBox;
 			if ((option != null) && (comboBox != null)) {
 				// Add "default" entry in ComboBox
-				// TODO Add located resource!
+				// TODO Add located resource, maybe context-bound, like "(solution)" or "(global)"!
 				comboBox.Items.Add(new ComboBoxItem { Content = "(default)", Tag = null });
 				comboBox.SelectedIndex = 0;
 
@@ -78,7 +78,25 @@ static void OnOptionPropertyChanged(DependencyObject o, DependencyPropertyChange
 					Type optionType = container.GetOptionType(option);
 					FillComboValues(comboBox, optionType);
 					object currentValue = container.GetOption(option);
-					comboBox.SelectedItem = comboBox.Items.OfType<ComboBoxItem>().FirstOrDefault(item => currentValue.Equals(item.Tag));
+					comboBox.SelectedItem = comboBox.Items.OfType<ComboBoxItem>().FirstOrDefault(item => object.Equals(currentValue, item.Tag));
+				}
+				
+				comboBox.SelectionChanged += ComboBox_SelectionChanged;
+			}
+		}
+
+		static void ComboBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
+		{
+			ComboBox comboBox = sender as ComboBox;
+			if (comboBox != null) {
+				string option = GetOption(comboBox);
+				CSharpFormattingOptionsContainer container = GetContainer(comboBox);
+				if ((container != null) && (option != null)) {
+					ComboBoxItem selectedItem = comboBox.SelectedItem as ComboBoxItem;
+					if (selectedItem != null) {
+						// Set option to appropriate value
+						container.SetOption(option, selectedItem.Tag);
+					}
 				}
 			}
 		}