/// <summary>
/// Begins listening to changes in the source object's dependency property
/// </summary>
/// <param name="dp">The property to observe</param>
public void BindProperty(DependencyProperty dp)
{
DependencyPropertyDescriptor desc;
if (!bindings.ContainsKey(dp))
{
desc = DependencyPropertyDescriptor.FromProperty(dp, source.GetType());
//force that the dependency property belongs to the type of the object
if (desc.IsAttached)//!source.GetType().IsAssignableFrom(dp.OwnerType))
{
throw new ArgumentException("Invalid property");
}
//initially unbound
bindings[dp] = new DependencyBinding(false, desc);
}
else
{
desc = bindings[dp].desc;
}
//refresh the value listener
if (!bindings[dp].IsBound)
{
desc.AddValueChanged(source, dpChanged);
bindings[dp].IsBound = true;
}
}
private SingleDependencyView(Node parent, DependencyBinding binding, int index)
{
_Parent = parent;
_Binding = binding;
_Index = index;
ViewCurrentPreviewCmd = new RelayCommand(() => { var view = NodeInstance; if (view != null)
{
view.SetAsCurrentResultView();
}
}, arg => IsInstanced);
if (_Index < 0)
{
SetCurrentValueCmd = new RelayCommand(_SetNewDependencyNode, arg => IsEmpty);
ClearCurrentCmd = new RelayCommand(_RemoveParameter, arg => IsInstanced);
SetCurrentEmptyCmd = new RelayCommand(_SetEmptyOverrideValue, arg => IsChildConfiguration && IsOwnValue);
}
else
{
SetCurrentValueCmd = new RelayCommand(_SetNewDependencyNode, arg => IsEmpty);
ClearCurrentCmd = new RelayCommand(_RemoveParameter, arg => true);
SetCurrentEmptyCmd = new RelayCommand(_SetEmptyOverrideValue, arg => false);
}
}
public DependencyConfigToSemantics Bind <T>()
{
var dependencyBinding = new DependencyBinding()
{
FromType = typeof(T)
};
semanticModel.Bindings.Add(dependencyBinding);
return(new DependencyConfigToSemantics(dependencyBinding));
}
public DependencyConfigScopingSemantics(DependencyBinding dependencyBinding)
{
this.dependencyBinding = dependencyBinding;
}
