/// <summary>
/// Tries to find a match between a property of the given type
/// and the given view model.
/// </summary>
/// <param name="viewModel">The view model of a view being looked for.</param>
/// <param name="viewType">The type of an object which properties are analyzed.</param>
/// <param name="viewFactory">The view factory called when a match happens.</param>
/// <returns>The result of search of an object implementing a view for the given view model;
/// otherwise null.</returns>
public static ViewModelPropertyMatch TryMatch(object viewModel, Type viewType, Func <object> viewFactory)
{
Contract.Requires <ArgumentNullException>(viewModel != null);
Contract.Requires <ArgumentNullException>(viewType != null);
Contract.Requires <ArgumentNullException>(viewFactory != null);
var viewModelProperty = viewType
.GetProperties()
.Where(pi => pi.IsDefined(typeof(ViewModelAttribute), false))
.FirstOrDefault(pi => ViewModelPropertyMatch.IsPropertyMatchToModel(pi, viewModel));
if (viewModelProperty == null)
{
return(null);
}
// Создаем представление и задаем ему модель.
var match = new ViewModelPropertyMatch(viewFactory(), viewModelProperty);
match.ChangeModel(viewModel);
return(match);
}
/// <summary>
/// Gets whether the object implements a view for the given model.
/// </summary>
/// <param name="viewModel">The view model to be checked.</param>
/// <returns>true, if the given object implements a view for the given model;
/// otherwise false.</returns>
public bool IsMatchToModel(object viewModel)
{
return(ViewModelPropertyMatch.IsPropertyMatchToModel(this._viewModelProperty, viewModel));
}
