public static void SetBinding (DependencyObject source, string path, IDependencyProperty target, IValueConverter converter = null)
{
var paths = path.Split ('.');
BindingExpression expression = new PropertyExpression (source.GetProperty (paths [0]));
foreach (var p in paths.Skip(1)) {
expression = new PathExpression (expression, p);
}
new Binding (expression, new PropertyExpression (target), converter ?? new EmptyConverter ());
}
public static void SetBinding(DependencyObject source, string path, IDependencyProperty target, IValueConverter converter = null)
{
var paths = path.Split('.');
BindingExpression expression = new PropertyExpression(source.GetProperty(paths [0]));
foreach (var p in paths.Skip(1))
{
expression = new PathExpression(expression, p);
}
new Binding(expression, new PropertyExpression(target), converter ?? new EmptyConverter());
}
public PropertyExpression (PathExpression expression, string propertyName)
{
PropertyName = propertyName;
Source = expression.Property;
if (Source != null) {
if (Source.Value != null)
Property = (Source.Value as DependencyObject).GetProperty (propertyName);
Source.DependencyPropertyValueChanged += HandlePropertyValueChanged;
}
expression.GetProperty ("Property").DependencyPropertyValueChanged += HandlePropertyChanged;
}
public Binding (PathExpression source, PathExpression target, IValueConverter converter)
{
Source = source;
Target = target;
Converter = converter;
SourceProperty = Source.Property;
TargetProperty = Target.Property;
Source.GetProperty ("Property").DependencyPropertyValueChanged += HandleSourcePropertyChanged;
Target.GetProperty ("Property").DependencyPropertyValueChanged += HandleTargetPropertyChanged;
UpdateTargetValue ();
if (SourceProperty != null)
SourceProperty.DependencyPropertyValueChanged += HandleSourceValueChanged;
if (TargetProperty != null)
TargetProperty.DependencyPropertyValueChanged += HandleTargetValueChanged;
}
public AttachedPropertyExpression (PathExpression expression, object item, string propertyName)
{
PropertyName = propertyName;
Item = item;
Source = expression.Property;
if (Source != null) {
var container = Source.Value as IAttachedPropertiesContainer;
if (container != null) {
Property = container.GetProperty (item, propertyName);
container.AddedItem += HandleAddedItem;
container.RemovedItem += HandleRemovedItem;
}
Source.DependencyPropertyValueChanged += HandlePropertyValueChanged;
}
expression.GetProperty ("Property").DependencyPropertyValueChanged += HandlePropertyChanged;
}
