/// <summary>
/// Initializes a new instance of the <see cref="Page"/> class.
/// </summary>
/// <remarks>
/// It is not possible to inject view models.
/// </remarks>
public Page()
{
if (Catel.Environment.IsInDesignMode)
{
return;
}
var viewModelType = GetViewModelType();
if (viewModelType == null)
{
Log.Debug("GetViewModelType() returned null, using the ViewModelLocator to resolve the view model");
viewModelType = _viewModelLocator.ResolveViewModel(GetType());
if (viewModelType == null)
{
const string error = "The view model of the view could not be resolved. Use either the GetViewModelType() method or IViewModelLocator";
Log.Error(error);
throw new NotSupportedException(error);
}
}
_logic = new NavigationPageLogic(this, viewModelType);
_logic.TargetControlPropertyChanged += (sender, e) =>
{
#if !NET
// WPF already calls this method automatically
OnPropertyChanged(e.FxEventArgs);
// Do not call this for WPF, will cause problems with ActualWidth and ActualHeight
PropertyChanged.SafeInvoke(this, new PropertyChangedEventArgs(e.PropertyName));
#endif
};
_logic.ViewModelChanged += (sender, e) =>
{
OnViewModelChanged();
ViewModelChanged.SafeInvoke(this, e);
PropertyChanged.SafeInvoke(this, new PropertyChangedEventArgs("ViewModel"));
};
_logic.ViewModelPropertyChanged += (sender, e) =>
{
OnViewModelPropertyChanged(e);
ViewModelPropertyChanged.SafeInvoke(this, e);
};
_logic.DetermineViewModelInstance += (sender, e) =>
{
e.ViewModel = GetViewModelInstance(e.DataContext);
};
_logic.DetermineViewModelType += (sender, e) =>
{
e.ViewModelType = GetViewModelType(e.DataContext);
};
ViewModelChanged.SafeInvoke(this);
Loaded += (sender, e) => OnLoaded(e);
Unloaded += (sender, e) => OnUnloaded(e);
}
/// <summary>
/// Initializes a new instance of the <see cref="Page"/> class.
/// </summary>
/// <remarks>
/// It is not possible to inject view models.
/// </remarks>
public Page()
{
if (Catel.Environment.IsInDesignMode)
{
return;
}
var viewModelType = GetViewModelType();
if (viewModelType == null)
{
Log.Debug("GetViewModelType() returned null, using the ViewModelLocator to resolve the view model");
viewModelType = _viewModelLocator.ResolveViewModel(GetType());
if (viewModelType == null)
{
const string error = "The view model of the view could not be resolved. Use either the GetViewModelType() method or IViewModelLocator";
Log.Error(error);
throw new NotSupportedException(error);
}
}
_logic = new NavigationPageLogic(this, viewModelType);
_logic.TargetControlPropertyChanged += (sender, e) =>
{
#if !NET
// WPF already calls this method automatically
OnPropertyChanged(e.FxEventArgs);
PropertyChanged.SafeInvoke(this, new PropertyChangedEventArgs(e.PropertyName));
#else
// Do not call this for ActualWidth and ActualHeight WPF, will cause problems with NET 40
// on systems where NET45 is *not* installed
if (!string.Equals(e.PropertyName, "ActualWidth", StringComparison.InvariantCulture) &&
!string.Equals(e.PropertyName, "ActualHeight", StringComparison.InvariantCulture))
{
PropertyChanged.SafeInvoke(this, new PropertyChangedEventArgs(e.PropertyName));
}
#endif
};
_logic.ViewModelChanged += (sender, e) =>
{
OnViewModelChanged();
ViewModelChanged.SafeInvoke(this, e);
PropertyChanged.SafeInvoke(this, new PropertyChangedEventArgs("ViewModel"));
};
_logic.ViewModelPropertyChanged += (sender, e) =>
{
OnViewModelPropertyChanged(e);
ViewModelPropertyChanged.SafeInvoke(this, e);
};
_logic.DetermineViewModelInstance += (sender, e) =>
{
e.ViewModel = GetViewModelInstance(e.DataContext);
};
_logic.DetermineViewModelType += (sender, e) =>
{
e.ViewModelType = GetViewModelType(e.DataContext);
};
ViewModelChanged.SafeInvoke(this);
Loaded += (sender, e) => OnLoaded(e);
Unloaded += (sender, e) => OnUnloaded(e);
}
