/// <summary>
/// Binds a control property to a <see cref="BindableWidget.DataContext"/> property
/// </summary>
/// <param name="control">Control to bind to.</param>
/// <param name="controlProperty">Control property.</param>
/// <param name="sourceProperty">Source property from the data context.</param>
/// <param name="mode">Mode of the binding.</param>
/// <param name="defaultControlValue">Default control value, if the control value is null.</param>
/// <param name="defaultContextValue">Default context value, if the context value is null.</param>
/// <typeparam name="TWidget">The type of control.</typeparam>
/// <typeparam name="TContext">The type of the data context object.</typeparam>
/// <typeparam name="TValue">The type of the property.</typeparam>
public static DualBinding <TValue> BindDataContext <TWidget, TContext, TValue>(this TWidget control, Expression <Func <TWidget, TValue> > controlProperty, Expression <Func <TContext, TValue> > sourceProperty, DualBindingMode mode = DualBindingMode.TwoWay, TValue defaultControlValue = default(TValue), TValue defaultContextValue = default(TValue))
where TWidget : IBindable
{
var controlExpression = controlProperty.GetMemberInfo();
IndirectBinding <TValue> controlBinding;
if (controlExpression != null)
{
controlBinding = new PropertyBinding <TValue>(controlExpression.Member.Name);
}
else
{
controlBinding = new DelegateBinding <TWidget, TValue>(controlProperty.Compile());
}
var sourceExpression = sourceProperty.GetMemberInfo();
IndirectBinding <TValue> sourceBinding;
if (sourceExpression != null)
{
sourceBinding = new PropertyBinding <TValue>(sourceExpression.Member.Name);
}
else
{
sourceBinding = new DelegateBinding <TContext, TValue>(sourceProperty.Compile());
}
return(control.BindDataContext(controlBinding, sourceBinding, mode, defaultControlValue, defaultContextValue));
}
public DualBinding <TValue> Bind <TObject>(DelegateBinding <TObject, TValue> binding, DualBindingMode mode = DualBindingMode.TwoWay)
{
return(Bind(dataContextBinding: binding, mode: mode));
}