/// <summary>
/// Initializes a new instance of the ObjectBinding with the specified object and binding to get/set values with
/// </summary>
/// <param name="dataItem">object to get/set values from</param>
/// <param name="innerBinding">binding to use to get/set the values from the dataItem</param>
public ObjectBinding(object dataItem, IndirectBinding innerBinding)
{
this.DataItem = dataItem;
this.InnerBinding = innerBinding;
this.InnerBinding.Changed += HandleInnerBindingChanged;
this.InnerBinding.Changing += HandleInnerBindingChanging;
}
/// <summary>
/// Initializes a new instance of the ObjectBinding with the specified object and binding to get/set values with
/// </summary>
/// <param name="dataItem">object to get/set values from</param>
/// <param name="innerBinding">binding to use to get/set the values from the dataItem</param>
public ObjectBinding (object dataItem, IndirectBinding innerBinding)
{
this.DataItem = dataItem;
this.InnerBinding = innerBinding;
this.InnerBinding.Changed += HandleInnerBindingChanged;
this.InnerBinding.Changing += HandleInnerBindingChanging;
}
public static DualBinding Bind(this Control control, IndirectBinding controlBinding, object objectValue, IndirectBinding objectBinding, DualBindingMode mode = DualBindingMode.TwoWay, object defaultControlValue = null, object defaultContextValue = null)
{
var valueBinding = new ObjectBinding(objectValue, objectBinding)
{
SettingNullValue = defaultContextValue,
GettingNullValue = defaultControlValue
};
return(Bind(control, controlBinding, valueBinding, mode));
}
public static DualBinding Bind(this ObjectBinding controlBinding, IndirectBinding dataContextBinding, DualBindingMode mode = DualBindingMode.TwoWay, object defaultControlValue = null, object defaultContextValue = null)
{
var control = controlBinding.DataItem as Control;
if (control == null)
{
throw new ArgumentOutOfRangeException("controlBinding", "Binding must be attached to a control");
}
var contextBinding = new ObjectBinding(control, new DelegateBinding <Control, object>(w => w.DataContext, null, (w, h) => w.DataContextChanged += h, (w, h) => w.DataContextChanged -= h));
var valueBinding = new ObjectBinding(control.DataContext, dataContextBinding)
{
GettingNullValue = defaultControlValue,
SettingNullValue = defaultContextValue
};
DualBinding binding = Bind(controlBinding: controlBinding, valueBinding: valueBinding, mode: mode);
contextBinding.DataValueChanged += delegate
{
((ObjectBinding)binding.Source).DataItem = contextBinding.DataValue;
};
control.Bindings.Add(contextBinding);
return(binding);
}
public static DualBinding Bind(this Control control, IndirectBinding controlBinding, DirectBinding valueBinding, DualBindingMode mode = DualBindingMode.TwoWay)
{
return(Bind(controlBinding: new ObjectBinding(control, controlBinding), valueBinding: valueBinding, mode: mode));
}
public static DualBinding Bind(this Control control, IndirectBinding controlBinding, IndirectBinding dataContextBinding, DualBindingMode mode = DualBindingMode.TwoWay, object defaultControlValue = null, object defaultContextValue = null)
{
return(Bind(new ObjectBinding(control, controlBinding), dataContextBinding, mode, defaultControlValue, defaultContextValue));
}
/// <summary>
/// Initializes a new instance of the ObjectBinding with the specified object and binding to get/set values with
/// </summary>
/// <param name="dataItem">object to get/set values from</param>
/// <param name="innerBinding">binding to use to get/set the values from the dataItem</param>
public ObjectBinding(object dataItem, IndirectBinding <TValue> innerBinding)
: base(dataItem, innerBinding)
{
}
/// <summary>
/// Initializes a new instance of the ObjectBinding with the specified object and binding to get/set values with
/// </summary>
/// <param name="dataItem">object to get/set values from</param>
/// <param name="innerBinding">binding to use to get/set the values from the dataItem</param>
public ObjectBinding(T dataItem, IndirectBinding innerBinding)
: base(dataItem, innerBinding)
{
}
