public MainViewModel()
{
if (POCOViewModelExtensions.IsInDesignMode(this))
{
return;
}
AppUIManager.Application.MainWindow.WindowState = System.Windows.WindowState.Maximized;
}
public static bool IsInDesignMode()
{
if (Application.MainWindow?.DataContext != null)
{
return(POCOViewModelExtensions.IsInDesignMode(Application.MainWindow.DataContext));
}
return(true);
}
public LoginViewModel()
{
if (POCOViewModelExtensions.IsInDesignMode(this))
{
return;
}
GlobalVar.Users.CollectionChanged += Users_CollectionChanged;
SelectedUser = GlobalVar.Users.FirstOrDefault();
}
protected internal IDelegateCommand GetCommand(Expression <Action> commandMethodExpression)
{
if (IsPOCOViewModel)
{
return(POCOViewModelExtensions.GetCommandCore(this, commandMethodExpression));
}
var method = ExpressionHelper.GetMethod(commandMethodExpression);
var command = GetCommandCore(method);
return((IDelegateCommand)command);
}
protected internal void RaiseCanExecuteChanged(Expression <Action> commandMethodExpression)
{
if (IsPOCOViewModel)
{
POCOViewModelExtensions.RaiseCanExecuteChangedCore(this, commandMethodExpression);
}
else
{
((IDelegateCommand)commandProperties[ExpressionHelper.GetMethod(commandMethodExpression)]
.GetValue(this)
).RaiseCanExecuteChanged();
}
}
public void BindTaskbarThumbButtonInfoCommand()
{
VM vm = VM.Create();
RealWindow.DataContext = vm;
TaskbarButtonService taskbarServiceImpl = new TaskbarButtonService();
TaskbarThumbButtonInfo bt = new TaskbarThumbButtonInfo();
BindingOperations.SetBinding(bt, TaskbarThumbButtonInfo.CommandProperty, new Binding("DoCommand"));
taskbarServiceImpl.ThumbButtonInfos.Add(bt);
Interaction.GetBehaviors(RealWindow).Add(taskbarServiceImpl);
EnqueueShowRealWindow();
Assert.AreEqual(POCOViewModelExtensions.GetCommand(vm, x => x.Do()), bt.Command);
}
/// <summary>
/// Initializes a new instance of the MainViewModel class.
/// </summary>
protected MainViewModel()
{
URL = "https://library.princeton.edu/special-collections/sites/default/files/Creating_PDFA.pdf";
if (POCOViewModelExtensions.IsInDesignMode(this))
{
Path = "-";
Progress = 60;
DownloadTime = "-";
}
else
{
stopWatch = new Stopwatch();
}
}
protected internal IAsyncCommand GetAsyncCommand(Expression <Func <System.Threading.Tasks.Task> > commandMethodExpression)
{
if (IsPOCOViewModel)
{
return(POCOViewModelExtensions.GetAsyncCommandCore(this, commandMethodExpression));
}
var method = ExpressionHelper.GetMethod(commandMethodExpression);
var command = GetCommandCore(method);
if (!(command is IAsyncCommand))
{
throw new CommandAttributeException(ViewModelSourceException.Error_CommandNotAsync);
}
return((IAsyncCommand)command);
}
TCommand GetCommandCore <TCommand>(LambdaExpression methodExpression) where TCommand : class, IDelegateCommand
{
if (IsPOCOViewModel)
{
return(POCOViewModelExtensions.GetCommandCore <TCommand>(this, methodExpression));
}
var method = ExpressionHelper.GetMethod(methodExpression);
if (method == null)
{
throw new CommandAttributeException(string.Format(ViewModelSourceException.Error_CommandNotFound, method.Name + CommandNameSuffix));
}
CommandProperty commandProperty;
if (commandProperties.TryGetValue(method, out commandProperty))
{
return((TCommand)commandProperty.GetValue(this));
}
throw new CommandAttributeException(string.Format(ViewModelSourceException.Error_CommandNotFound, method.Name + CommandNameSuffix));
}
protected void OnPatronIDChanged() => POCOViewModelExtensions.RaisePropertyChanged(this, vm => vm.ExtraTabVisibility);
