public SlideDisplay()
{
refresher = new DispatcherTimer();
refresher.Interval = new TimeSpan(0, 0, 5);
refresher.Tick += new EventHandler(refresherTick);
refresher.Start();
thumbnailList = new ObservableCollection<Slide>();
thumbnailList.CollectionChanged += OnThumbnailCollectionChanged;
SlideIndex = new SlideIndexConverter(thumbnailList);
myMaxSlideIndex = -1;
TeachersCurrentSlideIndex = -1;
IsNavigationLocked = calculateNavigationLocked();
InitializeComponent();
DataContext = this;
slides.PreviewKeyDown += new KeyEventHandler(KeyPressed);
Commands.SyncedMoveRequested.RegisterCommand(new DelegateCommand<int>(MoveToTeacher));
Commands.MoveTo.RegisterCommand(new DelegateCommand<Location>((loc) => MoveTo(loc, true), (loc) => slideInConversation(loc)));
//Commands.ForcePageRefresh.RegisterCommand(new DelegateCommand<int>((slideIndex) => MoveTo(slideIndex, true), slideInConversation));
Commands.UpdateConversationDetails.RegisterCommand(new DelegateCommand<ConversationDetails>(Display));
Commands.AddSlide.RegisterCommand(new DelegateCommand<object>(addSlide, canAddSlide));
Commands.MoveToNext.RegisterCommand(new DelegateCommand<object>(moveToNext, isNext));
Commands.MoveToPrevious.RegisterCommand(new DelegateCommand<object>(moveToPrevious, isPrevious));
Commands.JoinConversation.RegisterCommand(new DelegateCommand<ConversationDetails>(JoinConversation));
Commands.ReceiveTeacherStatus.RegisterCommand(new DelegateCommand<TeacherStatus>(receivedStatus, (_unused) => { return StateHelper.mustBeInConversation(); }));
Commands.EditConversation.RegisterCommand(new DelegateCommand<object>(EditConversation));
Commands.UpdateNewSlideOrder.RegisterCommand(new DelegateCommand<int>(reorderSlides));
Commands.LeaveLocation.RegisterCommand(new DelegateCommand<object>(resetLocationLocals));
var paste = new CompositeCommand();
paste.RegisterCommand(new DelegateCommand<object>(HandlePaste));
slides.InputBindings.Add(new KeyBinding(paste, Key.V, ModifierKeys.Control));
InputBindings.Add(new KeyBinding(paste, Key.V, ModifierKeys.Control));
}
public void RegisteringCommandInItselfThrows()
{
var compositeCommand = new CompositeCommand();
compositeCommand.RegisterCommand(compositeCommand);
}
public void RegisteringCommandTwiceThrows()
{
var compositeCommand = new CompositeCommand();
var duplicateCommand = new TestCommand();
compositeCommand.RegisterCommand(duplicateCommand);
compositeCommand.RegisterCommand(duplicateCommand);
}
public void ShouldNotMonitorActivityIfUseActiveMonitoringFalse()
{
var mockCommand = new MockActiveAwareCommand();
mockCommand.IsValid = true;
mockCommand.IsActive = true;
var nonActiveAwareCompositeCommand = new CompositeCommand(false);
bool canExecuteChangedRaised = false;
nonActiveAwareCompositeCommand.RegisterCommand(mockCommand);
nonActiveAwareCompositeCommand.CanExecuteChanged += delegate
{
canExecuteChangedRaised = true;
};
mockCommand.IsActive = false;
Assert.IsFalse(canExecuteChangedRaised);
nonActiveAwareCompositeCommand.Execute(null);
Assert.IsTrue(mockCommand.WasExecuted);
}
public void ShouldIgnoreChangesToIsActiveDuringExecution()
{
var firstCommand = new MockActiveAwareCommand { IsActive = true };
var secondCommand = new MockActiveAwareCommand { IsActive = true };
// During execution set the second command to inactive, this should not affect the currently
// executed selection.
firstCommand.ExecuteAction += new Action<object>((object parameter) => secondCommand.IsActive = false);
var compositeCommand = new CompositeCommand(true);
compositeCommand.RegisterCommand(firstCommand);
compositeCommand.RegisterCommand(secondCommand);
compositeCommand.Execute(null);
Assert.IsTrue(secondCommand.WasExecuted);
}
public void ActivityCausesActiveAwareCommandToRequeryCanExecute()
{
CompositeCommand activeAwareCommand = new CompositeCommand(true);
MockActiveAwareCommand command = new MockActiveAwareCommand();
activeAwareCommand.RegisterCommand(command);
command.IsActive = true;
bool globalCanExecuteChangeFired = false;
activeAwareCommand.CanExecuteChanged += delegate
{
globalCanExecuteChangeFired = true;
};
Assert.IsFalse(globalCanExecuteChangeFired);
command.IsActive = false;
Assert.IsTrue(globalCanExecuteChangeFired);
}
public void DispatchCommandShouldIgnoreInactiveCommandsInCanExecuteVote()
{
CompositeCommand activeAwareCommand = new CompositeCommand(true);
MockActiveAwareCommand commandOne = new MockActiveAwareCommand() { IsActive = false, IsValid = false };
MockActiveAwareCommand commandTwo = new MockActiveAwareCommand() { IsActive = true, IsValid = true };
activeAwareCommand.RegisterCommand(commandOne);
activeAwareCommand.RegisterCommand(commandTwo);
Assert.IsTrue(activeAwareCommand.CanExecute(null));
}
public void DispatchCommandDoesNotIncludeInactiveRegisteredCommandInVoting()
{
CompositeCommand activeAwareCommand = new CompositeCommand(true);
MockActiveAwareCommand command = new MockActiveAwareCommand();
activeAwareCommand.RegisterCommand(command);
command.IsValid = true;
command.IsActive = false;
Assert.IsFalse(activeAwareCommand.CanExecute(null), "Registered Click is inactive so should not participate in CanExecute vote");
command.IsActive = true;
Assert.IsTrue(activeAwareCommand.CanExecute(null));
command.IsValid = false;
Assert.IsFalse(activeAwareCommand.CanExecute(null));
}
public void MultiDispatchCommandDoesNotExecutesInactiveRegisteredCommands()
{
CompositeCommand activeAwareCommand = new CompositeCommand(true);
MockActiveAwareCommand command = new MockActiveAwareCommand();
command.IsActive = false;
activeAwareCommand.RegisterCommand(command);
activeAwareCommand.Execute(null);
Assert.IsFalse(command.WasExecuted);
}
public void MultiDispatchCommandExecutesActiveRegisteredCommands()
{
CompositeCommand activeAwareCommand = new CompositeCommand();
MockActiveAwareCommand command = new MockActiveAwareCommand();
command.IsActive = true;
activeAwareCommand.RegisterCommand(command);
activeAwareCommand.Execute(null);
Assert.IsTrue(command.WasExecuted);
}