| public static GetAutoWireViewModel ( BindableObject, bindable ) : bool | ||
| bindable | BindableObject, | |
| return | bool | |
public IDialogResult ShowWindow(string name)
{
IDialogResult dialogResult = new DialogResult(ButtonResult.None);
var content = _containerExtension.Resolve <object>(name);
if (!(content is Window dialogContent))
{
throw new NullReferenceException("A dialog's content must be a Window");
}
if (dialogContent is Window view && view.DataContext is null && ViewModelLocator.GetAutoWireViewModel(view) is null)
{
ViewModelLocator.SetAutoWireViewModel(view, true);
}
if (!(dialogContent.DataContext is IDialogAware viewModel))
{
throw new NullReferenceException("A dialog's ViewModel must implement the IDialogAware interface");
}
if (dialogContent is IDialogWindow dialogWindow)
{
ConfigureDialogWindowEvents(dialogWindow, result => { dialogResult = result; });
}
MvvmHelpers.ViewAndViewModelAction <IDialogAware>(viewModel, d => d.OnDialogOpened(null));
dialogContent.ShowDialog();
return(dialogResult);
}
internal static void AutowireViewModel(object viewOrViewModel)
{
if (viewOrViewModel is FrameworkElement view && ViewModelLocator.GetAutoWireViewModel(view) is null)
{
ViewModelLocator.SetAutoWireViewModel(view, true);
}
}
public void WhenOnAutoWireViewModelChangedThenViewBindingContextIsViewModel()
{
InitializeAViewModelIoC();
var view = new AView();
var autoWireViewModel = ViewModelLocator.GetAutoWireViewModel(view);
Check.That(autoWireViewModel).IsFalse();
ViewModelLocator.SetAutoWireViewModel(view, true);
Check.That(view.BindingContext).IsInstanceOf <AViewModel>();
autoWireViewModel = ViewModelLocator.GetAutoWireViewModel(view);
Check.That(autoWireViewModel).IsTrue();
}
public static void AutowireViewModel(object viewOrViewModel)
{
if (viewOrViewModel is FrameworkElement view && view.DataContext is null && ViewModelLocator.GetAutoWireViewModel(view) is null)
{
ViewModelLocator.SetAutoWireViewModel(view, true);
}
}
public async Task <IDialogResult> ShowDialog(string name, IDialogParameters parameters = null, string IdentifierName = "Root")
{
if (parameters == null)
{
parameters = new DialogParameters();
}
var content = _containerExtension.Resolve <object>(name);
if (!(content is FrameworkElement dialogContent))
{
throw new NullReferenceException("A dialog's content must be a FrameworkElement");
}
if (dialogContent is FrameworkElement view && view.DataContext is null && ViewModelLocator.GetAutoWireViewModel(view) is null)
{
ViewModelLocator.SetAutoWireViewModel(view, true);
}
if (!(dialogContent.DataContext is IDialogHostAware viewModel))
{
throw new NullReferenceException("A dialog's ViewModel must implement the IDialogAware interface");
}
viewModel.IdentifierName = IdentifierName;
DialogOpenedEventHandler eventHandler = async
(sender, eventArgs) =>
{
var content = eventArgs.Session.Content;
eventArgs.Session.UpdateContent(new ProgressDialog());
if (viewModel is IDialogHostAware aware)
{
await aware.OnDialogOpenedAsync(parameters);
}
eventArgs.Session.UpdateContent(content);
};
return((IDialogResult)await DialogHost.Show(dialogContent, viewModel.IdentifierName, eventHandler));
}
private FrameworkElement GetDialogContent(string name, string IdentifierName = "Root")
{
var content = _containerExtension.Resolve <object>(name);
if (!(content is FrameworkElement dialogContent))
{
throw new NullReferenceException("A dialog's content must be a FrameworkElement");
}
if (dialogContent is FrameworkElement view && view.DataContext is null && ViewModelLocator.GetAutoWireViewModel(view) is null)
{
ViewModelLocator.SetAutoWireViewModel(view, true);
}
if (!(dialogContent.DataContext is IHostDialogAware viewModel))
{
throw new NullReferenceException("A dialog's ViewModel must implement the IDialogHostAware interface");
}
viewModel.IdentifierName = IdentifierName;
return(dialogContent);
}
