| | /// <summary>
/// Контейнер с INotifyPropertyChanged
/// </summary>
public class ObservableContainer<T>
: INotifyPropertyChanged,
IEquatable<ObservableContainer<T>>,
IEquatable<T>
{
#region prop
private T _data;
public event PropertyChangedEventHandler PropertyChanged;
public T Data
{
get => _data;
set
{
_data = value;
PropertyChanged?.Invoke(
this,
new PropertyChangedEventArgs(nameof(Data))
);
}
}
#endregion
#region ctor
public ObservableContainer() { }
public ObservableContainer(T data)
{
_data = data;
}
#endregion
#region override
public override string ToString()
{
return _data?.ToString() ?? "null";
}
public override int GetHashCode()
{
return _data?.GetHashCode() ?? 0;
}
public override bool Equals(object obj)
{
if (obj is ObservableContainer<T> o1)
{
return Equals(other: o1);
}
else if (obj is T o2)
{
return Equals(other: o2);
}
return false;
}
public bool Equals(ObservableContainer<T> other)
{
if (other.Data == null && Data == null)
{
return true;
}
if (other.Data != null)
{
other.Data.Equals(Data);
}
if (Data != null)
{
Data.Equals(other.Data);
}
return false;
}
public bool Equals(T other)
{
if (other == null && Data == null)
{
return true;
}
if (other != null)
{
other.Equals(Data);
}
if (Data != null)
{
Data.Equals(other);
}
return false;
}
#endregion
#region operator
public static implicit operator ObservableContainer<T>(T x)
{
return new ObservableContainer<T>(x);
}
public static implicit operator T(ObservableContainer<T> x)
{
return x.Data;
}
#endregion
} | public class TestModel2
{
public ObservableContainer<string> Property1 { get; set; }
= new ObservableContainer<string>();
public ObservableContainer<string> Property2 { get; set; }
= new ObservableContainer<string>();
} | <UniformGrid Rows="2" Columns="2">
<TextBox Text="Prop1.Data"></TextBox>
<TextBox Text="{Binding Path=Property1.Data, Mode=OneWay}"></TextBox>
<Button Content="Right Bottom" ></Button>
<TextBox Text="Prop2.Data"></TextBox>
<TextBox Text="{Binding Path=Property2.Data, Mode=TwoWay}"></TextBox>
<Button Content="Right Bottom" Click="Button_Click" ></Button>
</UniformGrid> |
|