protected virtual void OnContentChanging(NDProperty.Propertys.OnChangingArg <NDPConfiguration, object> arg)
{
if (arg.Property.IsObjectValueChanging)
{
arg.ExecuteAfterChange += (sender, args) =>
{
if (arg.Property.OldValue is UIElement oldValue)
{
if (oldValue != null)
{
oldValue.LogicalParent = null;
}
}
if (arg.Property.NewValue is UIElement newValue)
{
if (newValue.LogicalParent != null)
{
throw new ArgumentException($"The Element is already Chiled of {newValue.VisualParent}");
}
if (newValue != null)
{
newValue.LogicalParent = this;
}
}
UpdateContentPresenter();
}
}
;
}
protected virtual void OnContentPresenterChanging(NDProperty.Propertys.OnChangingArg <NDPConfiguration, ContentPresenter> arg)
{
if (arg.Property.IsObjectValueChanging)
{
arg.ExecuteAfterChange += (sender, args) => UpdateContentPresenter();
}
}
protected virtual void OnValueChanging(NDProperty.Propertys.OnChangingArg <Propertys.NDPConfiguration, int> arg)
{
if (arg.Property.IsObjectValueChanging)
{
arg.ExecuteAfterChange += (sender, e) => UpdateBlockPosition();
}
}
protected virtual void OnOrientationChanging(NDProperty.Propertys.OnChangingArg <Propertys.NDPConfiguration, Orientation> arg)
{
if (arg.Property.IsObjectValueChanging)
{
arg.ExecuteAfterChange += (sender, e) => InvalidateMeasure();
}
}
protected void OnFirstNameChanging(NDProperty.Propertys.OnChangingArg <NSCI.Propertys.NDPConfiguration, string> arg)
{
if (arg.Property.IsObjectValueChanging)
{
Name = $"{arg.Property.NewValue} {SureName}";
}
}
private void OnCurrentSelectedIndexChanging(NDProperty.Propertys.OnChangingArg <NDPConfiguration, int> arg)
{
if (arg.Provider.NewValue >= this.persons.Count || (arg.Provider.NewValue < 0 && this.persons.Count != 0))
{
arg.Provider.Reject = true;
}
if (arg.Property.IsObjectValueChanging)
{
arg.ExecuteAfterChange += (sender, e) =>
Update();
}
}
private void OnPanelChanging(NDProperty.Propertys.OnChangingArg <Propertys.NDPConfiguration, Panel> arg)
{
if (arg.Property.IsObjectValueChanging)
{
if (arg.Property.OldValue != null)
{
arg.Property.OldValue.VisualParent = null;
}
if (arg.Property.NewValue != null)
{
arg.Property.NewValue.VisualParent = this;
}
}
}
protected virtual void OnBorderStyleChanging(NDProperty.Propertys.OnChangingArg <NDPConfiguration, BorderStyle> arg)
{
if (arg.Property.IsObjectValueChanging)
{
arg.ExecuteAfterChange += (sender, args) =>
{
var oldThickness = CalculateBorderThikness(args.Property.OldValue);
var newThickness = CalculateBorderThikness(args.Property.NewValue);
if (oldThickness != newThickness)
{
InvalidateMeasure();
}
// InvalidateMeasure not always results in invalidate Render!
InvalidateRender();
}
}
;
}
protected virtual void OnChildChanging(NDProperty.Propertys.OnChangingArg <NDPConfiguration, UIElement> arg)
{
if (arg.Property.IsObjectValueChanging)
{
arg.ExecuteAfterChange += (sender, e) =>
{
if (e.Property.OldValue?.VisualParent == this)
{
e.Property.OldValue.LogicalParent = null;
e.Property.OldValue.VisualParent = null;
}
if (e.Property.NewValue != null)
{
e.Property.NewValue.VisualParent = this;
e.Property.NewValue.LogicalParent = this;
}
InvalidateMeasure();
}
}
;
}
protected virtual void OnTextChanging(NDProperty.Propertys.OnChangingArg <NDPConfiguration, string> arg)
{
if (arg.Provider.CanMutate)
{
arg.Provider.MutatedValue = arg.Provider.NewValue?.Replace("\t", " ").Replace("\r", "");
}
if (arg.Property.IsObjectValueChanging)
{
arg.ExecuteAfterChange += (sender, e) =>
{
var(_, oldWidht, oldHeight) = GetTextDimensions(e.Property.OldValue);
var(_, newWidht, newHeight) = GetTextDimensions(e.Property.NewValue);
if (oldHeight != newHeight || oldWidht != newWidht)
{
InvalidateMeasure();
}
else
{
InvalidateArrange();
}
}
}
;
}
private static void OnResourcesChanging(NDProperty.Propertys.OnChangingArg <NDPConfiguration, object, Resources> arg)
{
}
private static void OnKeyChanging(NDProperty.Propertys.OnChangingArg <NDPConfiguration, object, string> arg)
{
}
private static void OnTargetTypeChanging(NDProperty.Propertys.OnChangingArg <NDPConfiguration, object, Type> arg)
{
}
private void OnCountChanging(NDProperty.Propertys.OnChangingArg <NDPConfiguration, int> arg)
{
}
private void OnHasPreviousChanging(NDProperty.Propertys.OnChangingArg <NDPConfiguration, bool> arg)
{
}
private void OnCurrentChanging(NDProperty.Propertys.OnChangingArg <NDPConfiguration, Person> arg)
{
}
protected void OnStreetChanging(NDProperty.Propertys.OnChangingArg <NSCI.Propertys.NDPConfiguration, string> arg)
{
}
