public static void Bind(object viewModel, DependencyObject view, object context)
{
var viewModelType = viewModel.GetType();
var elements = view.Descendants <FrameworkContentElement>()
.Where(e => !string.IsNullOrEmpty(e.Name))
.Distinct()
.ToList();
foreach (var element in elements)
{
var convention = ConventionManager.GetElementConvention(element.GetType());
if (convention == null)
{
continue;
}
PropertyInfo property;
Type resultViewModelType;
var bindPath = NotifyValueSupport.Patch(viewModelType, element.Name, out property, out resultViewModelType);
if (property == null)
{
continue;
}
Bind(convention, element, bindPath, property, viewModelType);
}
}
public static void Register()
{
ConventionManager.ApplyValueConverter = ApplyValueConverter;
ConventionManager.AddElementConvention <SplitButton>(ContentControl.ContentProperty, "DataContext", "Click");
ConventionManager.AddElementConvention <Run>(Run.TextProperty, "Text", "DataContextChanged");
ConventionManager.AddElementConvention <IntegerUpDown>(UpDownBase <int?> .ValueProperty, "Value", "ValueChanged");
ConventionManager.AddElementConvention <FlowDocumentScrollViewer>(FlowDocumentScrollViewer.DocumentProperty, "Document ", "DataContextChanged");
ConventionManager.AddElementConvention <DocumentViewerBase>(DocumentViewerBase.DocumentProperty, "Document ", "DataContextChanged");
ConventionManager.AddElementConvention <PasswordBox>(ContentElementBinder.PasswordProperty, "Password", "PasswordChanged")
.ApplyBinding = (viewModelType, path, property, element, convention) => {
//по умолчанию для PasswordBox установлен шрифт times new roman
//высота поля ввода вычисляется на основе шрифта
//если расположить TextBox и PasswordBox на одном уровне то разница в высоте будет заметна
//правим эту кривизну
((PasswordBox)element).FontFamily = SystemFonts.MessageFontFamily;
return(ConventionManager.SetBindingWithoutBindingOverwrite(viewModelType, path, property, element, convention, convention.GetBindableProperty(element)));
};
ConventionManager.AddElementConvention <MultiSelector>(ItemsControl.ItemsSourceProperty, "SelectedItem", "SelectionChanged")
.ApplyBinding = (viewModelType, path, property, element, convention)
=> TryBindSelectedItems(viewModelType, path, property, element, convention,
((MultiSelector)element).SelectedItems);
ConventionManager.AddElementConvention <ListBox>(ItemsControl.ItemsSourceProperty, "SelectedItem", "SelectionChanged")
.ApplyBinding = (viewModelType, path, property, element, convention)
=> TryBindSelectedItems(viewModelType, path, property, element, convention,
((ListBox)element).SelectedItems);
ConventionManager.AddElementConvention <ComboBox>(ItemsControl.ItemsSourceProperty, "SelectedItem", "SelectionChanged")
.ApplyBinding = (viewModelType, path, property, element, convention) => {
NotifyValueSupport.Patch(ref path, ref property);
if (property.PropertyType.IsEnum)
{
if (NotBindedAndNull(element, ItemsControl.ItemsSourceProperty) &&
!ConventionManager.HasBinding(element, Selector.SelectedItemProperty))
{
var items = DescriptionHelper.GetDescriptions(property.PropertyType);
element.SetValue(ItemsControl.DisplayMemberPathProperty, "Name");
element.SetValue(ItemsControl.ItemsSourceProperty, items);
var binding = new Binding(path);
binding.Converter = new ComboBoxSelectedItemConverter();
binding.ConverterParameter = items;
BindingOperations.SetBinding(element, Selector.SelectedItemProperty, binding);
}
}
else
{
var fallback = ConventionManager.GetElementConvention(typeof(Selector));
if (fallback != null)
{
return(fallback.ApplyBinding(viewModelType, path, property, element, fallback));
}
}
return(true);
};
ConventionManager.AddElementConvention <DataGrid>(ItemsControl.ItemsSourceProperty, "SelectedItem", "SelectionChanged")
.ApplyBinding = (viewModelType, path, property, element, convention) => {
var dataGrid = (DataGrid)element;
if (dataGrid.Columns.Count > 1)
{
Interaction.GetBehaviors(element).Add(new CustomMenu());
}
var fallback = ConventionManager.GetElementConvention(typeof(MultiSelector));
if (fallback != null)
{
var actualProperty = property;
var result = fallback.ApplyBinding(viewModelType, path, actualProperty, element, fallback);
var dummy = "";
NotifyValueSupport.Patch(ref dummy, ref actualProperty);
var propertyType = actualProperty.PropertyType;
if (result &&
propertyType.IsGenericType &&
typeof(IEnumerable).IsAssignableFrom(propertyType))
{
ConfigureDataGrid(dataGrid, propertyType.GetGenericArguments()[0]);
}
return(result);
}
return(false);
};
ConventionManager.AddElementConvention <Label>(ContentControl.ContentProperty, "Content", "DataContextChanged")
.ApplyBinding = (viewModelType, path, property, element, convention) => {
return(ConventionManager.SetBindingWithoutBindingOverwrite(viewModelType, path, property, element, convention, convention.GetBindableProperty(element)));
};
}