protected override void ShowDialogFragment(Type view,
MvxDialogFragmentPresentationAttribute attribute,
MvxViewModelRequest request)
{
var fragmentName = FragmentJavaName(attribute.ViewType);
IMvxFragmentView mvxFragmentView = CreateFragment(attribute, fragmentName);
var dialog = (DialogFragment)mvxFragmentView;
// MvxNavigationService provides an already instantiated ViewModel here,
// therefore just assign it
if (request is MvxViewModelInstanceRequest instanceRequest)
{
mvxFragmentView.ViewModel = instanceRequest.ViewModelInstance;
}
else
{
mvxFragmentView.LoadViewModelFrom(request, null);
}
dialog.Cancelable = attribute.Cancelable;
Dialogs.Add(mvxFragmentView.ViewModel, dialog);
var ft = CurrentFragmentManager.BeginTransaction();
if (attribute.SharedElements != null)
{
foreach (var item in attribute.SharedElements)
{
string name = item.Key;
if (string.IsNullOrEmpty(name))
{
name = ViewCompat.GetTransitionName(item.Value);
}
ft.AddSharedElement(item.Value, name);
}
}
if (!attribute.EnterAnimation.Equals(int.MinValue) && !attribute.ExitAnimation.Equals(int.MinValue))
{
if (!attribute.PopEnterAnimation.Equals(int.MinValue) && !attribute.PopExitAnimation.Equals(int.MinValue))
{
ft.SetCustomAnimations(attribute.EnterAnimation, attribute.ExitAnimation, attribute.PopEnterAnimation, attribute.PopExitAnimation);
}
else
{
ft.SetCustomAnimations(attribute.EnterAnimation, attribute.ExitAnimation);
}
}
if (attribute.TransitionStyle != int.MinValue)
{
ft.SetTransitionStyle(attribute.TransitionStyle);
}
if (attribute.AddToBackStack == true)
{
ft.AddToBackStack(fragmentName);
}
dialog.Show(ft, fragmentName);
}
protected virtual void ShowDialogFragment(
Type view,
MvxDialogFragmentPresentationAttribute attribute,
MvxViewModelRequest request)
{
var fragmentName = FragmentJavaName(attribute.ViewType);
IMvxFragmentView mvxFragmentView = CreateFragment(attribute, fragmentName);
var dialog = (DialogFragment)mvxFragmentView;
// MvxNavigationService provides an already instantiated ViewModel here,
// therefore just assign it
if (request is MvxViewModelInstanceRequest instanceRequest)
{
mvxFragmentView.ViewModel = instanceRequest.ViewModelInstance;
}
else
{
mvxFragmentView.LoadViewModelFrom(request, null);
}
dialog.Cancelable = attribute.Cancelable;
Dialogs.Add(mvxFragmentView.ViewModel, dialog);
var ft = CurrentFragmentManager.BeginTransaction();
OnBeforeFragmentChanging(ft, attribute);
if (attribute.AddToBackStack == true)
{
ft.AddToBackStack(fragmentName);
}
dialog.Show(ft, fragmentName);
}
protected virtual Task <bool> ShowDialogFragment(
Type view,
MvxDialogFragmentPresentationAttribute attribute,
MvxViewModelRequest request)
{
ValidateArguments(view, attribute, request);
if (CurrentActivity == null)
{
throw new InvalidOperationException("CurrentActivity is null");
}
if (CurrentFragmentManager == null)
{
throw new InvalidOperationException("CurrentFragmentManager is null. Cannot create Fragment Transaction.");
}
if (attribute.ViewType == null)
{
throw new InvalidOperationException($"{nameof(MvxDialogFragmentPresentationAttribute)}.ViewType is null");
}
var fragmentName = attribute.Tag ?? attribute.ViewType.FragmentJavaName();
IMvxFragmentView mvxFragmentView = CreateFragment(CurrentActivity.SupportFragmentManager, attribute, attribute.ViewType);
var dialog = (DialogFragment)mvxFragmentView;
// MvxNavigationService provides an already instantiated ViewModel here,
// therefore just assign it
if (request is MvxViewModelInstanceRequest instanceRequest)
{
mvxFragmentView.ViewModel = instanceRequest.ViewModelInstance;
}
else
{
mvxFragmentView.LoadViewModelFrom(request, null);
}
dialog.Cancelable = attribute.Cancelable;
var ft = CurrentFragmentManager.BeginTransaction();
OnBeforeFragmentChanging(ft, dialog, attribute, request);
if (attribute.AddToBackStack)
{
ft.AddToBackStack(fragmentName);
}
OnFragmentChanging(ft, dialog, attribute, request);
dialog.Show(ft, fragmentName);
OnFragmentChanged(ft, dialog, attribute, request);
return(Task.FromResult(true));
}
protected override bool CloseFragmentDialog(IMvxViewModel viewModel, MvxDialogFragmentPresentationAttribute attribute)
{
if (Dialogs.TryGetValue(viewModel, out DialogFragment dialog))
{
dialog.DismissAllowingStateLoss();
dialog.Dispose();
Dialogs.Remove(viewModel);
return(true);
}
return(false);
}
protected virtual Task <bool> CloseFragmentDialog(IMvxViewModel viewModel, MvxDialogFragmentPresentationAttribute attribute)
{
string tag = attribute.ViewType.FragmentJavaName();
var toClose = CurrentFragmentManager.FindFragmentByTag(tag);
if (toClose != null && toClose is DialogFragment dialog)
{
dialog.DismissAllowingStateLoss();
return(Task.FromResult(true));
}
return(Task.FromResult(false));
}
protected override bool CloseFragmentDialog(IMvxViewModel viewModel, MvxDialogFragmentPresentationAttribute attribute)
{
string tag = FragmentJavaName(attribute.ViewType);
var toClose = CurrentFragmentManager.FindFragmentByTag(tag);
if (toClose != null && toClose is DialogFragment dialog)
{
dialog.DismissAllowingStateLoss();
return(true);
}
return(false);
}
protected override Task <bool> ShowDialogFragment(Type view,
MvxDialogFragmentPresentationAttribute attribute,
MvxViewModelRequest request)
{
var fragmentName = attribute.ViewType.FragmentJavaName();
var tag = attribute.Tag ?? fragmentName;
IMvxFragmentView mvxFragmentView = CreateFragment(attribute, fragmentName);
var dialog = mvxFragmentView as DialogFragment;
if (dialog == null)
{
throw new MvxException("Fragment {0} does not extend {1}", fragmentName, typeof(DialogFragment).FullName);
}
// MvxNavigationService provides an already instantiated ViewModel here,
// therefore just assign it
if (request is MvxViewModelInstanceRequest instanceRequest)
{
mvxFragmentView.ViewModel = instanceRequest.ViewModelInstance;
}
else
{
mvxFragmentView.LoadViewModelFrom(request);
}
dialog.Cancelable = attribute.Cancelable;
var ft = CurrentFragmentManager.BeginTransaction();
OnBeforeFragmentChanging(ft, dialog, attribute, request);
if (attribute.AddToBackStack)
{
ft.AddToBackStack(fragmentName);
}
OnFragmentChanging(ft, dialog, attribute, request);
dialog.Show(ft, tag);
OnFragmentChanged(ft, dialog, attribute, request);
return(Task.FromResult(true));
}
protected override Task <bool> CloseFragmentDialog(IMvxViewModel viewModel,
MvxDialogFragmentPresentationAttribute attribute)
{
try
{
var fragmentName = attribute.ViewType.FragmentJavaName();
var tag = attribute.Tag ?? fragmentName;
var toClose = CurrentFragmentManager.FindFragmentByTag(tag);
if (toClose != null && toClose is DialogFragment dialog)
{
dialog.DismissAllowingStateLoss();
return(Task.FromResult(true));
}
}
catch (System.Exception ex)
{
MvxAndroidLog.Instance.Error("Cannot close fragment dialog", ex);
return(Task.FromResult(false));
}
return(Task.FromResult(false));
}
public override ValueTask<MvxBasePresentationAttribute?> CreatePresentationAttribute(Type? viewModelType, Type? viewType)
{
if (viewType?.IsSubclassOf(typeof(DialogFragment)) ?? false)
{
MvxLog.Instance.Trace("PresentationAttribute not found for {0}. Assuming DialogFragment presentation", viewType.Name);
var attribute = new MvxDialogFragmentPresentationAttribute() { ViewType = viewType, ViewModelType = viewModelType };
return new ValueTask<MvxBasePresentationAttribute?>(attribute);
}
else if (viewType?.IsSubclassOf(typeof(Fragment)) ?? false)
{
MvxLog.Instance.Trace("PresentationAttribute not found for {0}. Assuming Fragment presentation", viewType.Name);
var attribute= new MvxFragmentPresentationAttribute(GetCurrentActivityViewModelType(), global::Android.Resource.Id.Content) { ViewType = viewType, ViewModelType = viewModelType };
return new ValueTask<MvxBasePresentationAttribute?>(attribute);
}
else if (viewType?.IsSubclassOf(typeof(Activity)) ?? false)
{
MvxLog.Instance.Trace("PresentationAttribute not found for {0}. Assuming Activity presentation", viewType.Name);
var attribute = new MvxActivityPresentationAttribute() { ViewType = viewType, ViewModelType = viewModelType };
return new ValueTask<MvxBasePresentationAttribute?>(attribute);
}
return new ValueTask<MvxBasePresentationAttribute?>((MvxBasePresentationAttribute?)null);
}
