public MvxViewModelRequest(Type viewModelType,
IMvxBundle parameterBundle,
IMvxBundle presentationBundle,
MvxRequestedBy requestedBy)
{
this.ViewModelType = viewModelType;
this.ParameterValues = parameterBundle.SafeGetData();
this.PresentationValues = presentationBundle.SafeGetData();
this.RequestedBy = requestedBy;
}
protected bool ShowViewModel <TViewModel>(object parameterValuesObject,
IMvxBundle presentationBundle = null,
MvxRequestedBy requestedBy = null)
where TViewModel : IMvxViewModel
{
return(this.ShowViewModel(
typeof(TViewModel),
parameterValuesObject.ToSimplePropertyDictionary(),
presentationBundle,
requestedBy));
}
protected bool ShowViewModel <TViewModel>(IMvxBundle parameterBundle = null,
IMvxBundle presentationBundle = null,
MvxRequestedBy requestedBy = null)
where TViewModel : IMvxViewModel
{
return(this.ShowViewModel(
typeof(TViewModel),
parameterBundle,
presentationBundle,
requestedBy));
}
protected bool ShowViewModel <TViewModel>(IDictionary <string, string> parameterValues,
IMvxBundle presentationBundle = null,
MvxRequestedBy requestedBy = null)
where TViewModel : IMvxViewModel
{
return(this.ShowViewModel(
typeof(TViewModel),
new MvxBundle(parameterValues.ToSimplePropertyDictionary()),
presentationBundle,
requestedBy));
}
private static void ViewModelRequestForSegueImpl(this IMvxEventSourceViewController _, UIStoryboardSegue segue, IMvxBundle parameterBundle = null)
{
var view = segue.DestinationViewController as IMvxIosView;
if (view != null && view.Request == null)
{
var type = view.GetViewModelType();
if (type != null)
{
var by = new MvxRequestedBy(MvxRequestedByType.Other, $"Segue: {segue.Identifier}");
view.Request = new MvxViewModelRequest(type, parameterBundle, null, by);
}
}
}
private bool ShowViewModelImpl(Type viewModelType, IMvxBundle parameterBundle, IMvxBundle presentationBundle,
MvxRequestedBy requestedBy)
{
MvxTrace.Trace("Showing ViewModel {0}", viewModelType.Name);
var viewDispatcher = this.ViewDispatcher;
if (viewDispatcher != null)
{
return(viewDispatcher.ShowViewModel(new MvxViewModelRequest(
viewModelType,
parameterBundle,
presentationBundle,
requestedBy)));
}
return(false);
}
/// <summary>
/// ShowViewModel with non-primitive type object using json to pass object to the next ViewModel
/// Be aware that pasing big objects will block your UI, and should be handled async by yourself
/// </summary>
/// <param name="parameter">The generic object you want to pass onto the next ViewModel</param>
protected bool ShowViewModel <TViewModel, TInit>(TInit parameter,
IMvxBundle presentationBundle = null,
MvxRequestedBy requestedBy = null)
where TViewModel : IMvxViewModelInitializer <TInit>
{
IMvxJsonConverter serializer;
if (!Mvx.TryResolve(out serializer))
{
throw new MvxIoCResolveException("There is no implementation of IMvxJsonConverter registered. You need to use the MvvmCross Json plugin or create your own implementation of IMvxJsonConverter.");
}
var json = serializer.SerializeObject(parameter);
return(this.ShowViewModel <TViewModel>(new Dictionary <string, string> {
{ "parameter", json }
}, presentationBundle, requestedBy));
}
/// <summary>
/// ShowViewModel with non-primitive type object using json to pass object to the next ViewModel
/// Be aware that pasing big objects will block your UI, and should be handled async by yourself
/// </summary>
/// <param name="parameter">The generic object you want to pass onto the next ViewModel</param>
protected bool ShowViewModel <TViewModel, TInit>(TInit parameter,
IMvxBundle presentationBundle = null,
MvxRequestedBy requestedBy = null)
where TViewModel : IMvxViewModelInitializer <TInit>
{
IMvxJsonConverter serializer;
if (!Mvx.TryResolve(out serializer))
{
Mvx.Trace(
"Could not resolve IMvxJsonConverter, it is going to be hard to initialize with custom object");
return(false);
}
var json = serializer.SerializeObject(parameter);
return(this.ShowViewModel <TViewModel>(new Dictionary <string, string> {
{ "parameter", json }
}, presentationBundle, requestedBy));
}
