/// <summary>
/// Refresh authorization and update
/// all controls.
/// </summary>
public void Refresh()
{
_source = DataObject as IAuthorizeReadWrite;
if (_source != null)
{
base.FindChildBindings();
}
}
private void SetRead(Binding bnd, UIElement ctl, IAuthorizeReadWrite source)
{
bool canRead = source.CanReadProperty(bnd.Path.Path);
VisibilityMode visibilityMode = GetNotVisibleMode(ctl);
if (canRead)
{
switch (visibilityMode)
{
case VisibilityMode.Collapsed:
if (ctl.Visibility == Visibility.Collapsed)
{
ctl.Visibility = Visibility.Visible;
}
break;
case VisibilityMode.Hidden:
if (ctl.Visibility == Visibility.Hidden)
{
ctl.Visibility = Visibility.Visible;
}
break;
default:
break;
}
}
else
{
switch (visibilityMode)
{
case VisibilityMode.Collapsed:
ctl.Visibility = Visibility.Collapsed;
break;
case VisibilityMode.Hidden:
ctl.Visibility = Visibility.Hidden;
break;
default:
break;
}
}
}
private void SetWrite(Binding bnd, UIElement ctl, IAuthorizeReadWrite source)
{
bool canWrite = source.CanWriteProperty(bnd.Path.Path);
// enable/disable writing of the value
PropertyInfo propertyInfo =
ctl.GetType().GetProperty("IsReadOnly",
BindingFlags.FlattenHierarchy |
BindingFlags.Instance |
BindingFlags.Public);
if (propertyInfo != null)
{
propertyInfo.SetValue(
ctl, !canWrite, new object[] { });
}
else
{
ctl.IsEnabled = canWrite;
}
}
