private static void CreateBinding(IOnPropertyChanged sourceObj, string path, string propToNotify)
{
var pcdo = new PropertyChangeDependencyObject();
var binding = new Binding(path)
{
Source = sourceObj
};
BindingOperations.SetBinding(pcdo, PropertyChangeDependencyObject.PropertyChangeDependencyProperty, binding);
pcdo.DependentPropertyChanged += () => sourceObj.OnPropertyChanged(propToNotify);
pcdos.Add(pcdo);
}
public static void MonitorCollectionChanged(IOnPropertyChanged obj, string prop, Action callback)
{
var pcdo = new PropertyChangeDependencyObject();
var binding = new Binding(prop)
{
Source = obj
};
BindingOperations.SetBinding(pcdo, PropertyChangeDependencyObject.CollectionChangeDependencyProperty, binding);
pcdo.DependentCollectionChanged += () => callback();
pcdos.Add(pcdo);
}
public static void Install(IOnPropertyChanged obj)
{
var type = obj.GetType();
foreach (var prop in type.GetProperties())
{
var attribs = prop.GetCustomAttributes(typeof(DependsOnAttribute), true).Cast <DependsOnAttribute>().ToList();
attribs.ForEach(attr =>
{
CreateBinding(obj, attr.BindingPath, prop.Name);
});
var attribs2 = prop.GetCustomAttributes(typeof(DependsOnCollectionAttribute), true).Cast <DependsOnCollectionAttribute>().ToList();
attribs2.ForEach(attr =>
{
CreateCollectionBinding(obj, attr.BindingPath, prop.Name);
});
}
}
public static void RegisterNotifiedObject(IOnPropertyChanged obj, string property)
{
if (!_otherObjectsToNotify.ContainsKey(property)) _otherObjectsToNotify[property] = new List<IOnPropertyChanged>();
_otherObjectsToNotify[property].Add(obj);
}
public static (bool IsEqual, T Value) PropertySet <T>(this IOnPropertyChanged thisValue, ref T backingField, T newValue, [CallerMemberName] string propertyName = "", params string[] additionalPropertyNames)
{
if (Equals(thisValue, newValue))
public static T PropertyGet <T>(this IOnPropertyChanged thisValue, ref T backingField, [CallerMemberName] string propertyName = "") => backingField;
public static void PropertiesRefresh(this IOnPropertyChanged thisValue) => thisValue.OnPropertyChanged(string.Empty);
public static ICommand Command(this IOnPropertyChanged thisValue, ref ICommand backingField, Action <object> execute) => BindingCommand.Create(ref backingField, execute);
