/// <summary>
/// Opens the specified screen.
/// </summary>
/// <param name="conductor">The conductor.</param>
/// <param name="subjectSpecification">The subject.</param>
/// <param name="callback">Is called with true if the screen is activated.</param>
public static void ActivateSubject(this IConductor conductor, ISubjectSpecification subjectSpecification, Action<bool> callback)
{
var found = conductor.GetConductedItems()
.OfType<IHaveSubject>()
.FirstOrDefault(subjectSpecification.Matches);
EventHandler<ActivationProcessedEventArgs> processed = null;
processed = (s, e) =>{
conductor.ActivationProcessed -= processed;
callback(e.Success);
};
conductor.ActivationProcessed += processed;
if(found != null)
conductor.ActivateItem(found);
else subjectSpecification.CreateSubjectHost(viewModelFactory, conductor.ActivateItem);
}
/// <summary>
/// Opens the specified screen.
/// </summary>
/// <param name="conductor">The conductor.</param>
/// <param name="subjectSpecification">The subject.</param>
/// <param name="callback">Is called with true if the screen is activated.</param>
public static void ActivateSubject(this IConductor conductor, ISubjectSpecification subjectSpecification, Action <bool> callback)
{
var found = conductor.GetChildren()
.OfType <IHaveSubject>()
.FirstOrDefault(subjectSpecification.Matches);
EventHandler <ActivationProcessedEventArgs> processed = null;
processed = (s, e) => {
conductor.ActivationProcessed -= processed;
callback(e.Success);
};
conductor.ActivationProcessed += processed;
if (found != null)
{
conductor.ActivateItem(found);
}
else
{
subjectSpecification.CreateSubjectHost(viewModelFactory, conductor.ActivateItem);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="OpenScreenSubjectResult"/> class.
/// </summary>
/// <param name="subjectSpecification">The subject specification.</param>
public OpenScreenSubjectResult(ISubjectSpecification subjectSpecification)
{
this.subjectSpecification = subjectSpecification;
}
/// <summary>
/// Shows a modal dialog base on an <see cref="ISubjectSpecification"/>.
/// </summary>
/// <param name="subjectSpecification">The subject specification.</param>
/// <returns>The result.</returns>
public static DialogScreenSubjectResult DialogSubject(ISubjectSpecification subjectSpecification)
{
return(new DialogScreenSubjectResult(subjectSpecification));
}
/// <summary>
/// Shows a child based on a <see cref="ISubjectSpecification"/>.
/// </summary>
/// <param name="subjectSpecification">The subject specification.</param>
/// <returns>The result.</returns>
public static OpenScreenSubjectResult ChildSubject(ISubjectSpecification subjectSpecification)
{
return(new OpenScreenSubjectResult(subjectSpecification));
}