public void Add_Item()
{
var s = new SharedSource <MySharedItem>();
var item1 = new MySharedItem {
Id = 1, Name = "A"
};
item1.CActivate = false;
s.Add(item1, 1);
Assert.AreEqual(true, item1.IsCanActivateInvoked);
Assert.AreEqual(false, item1.IsOnNavigatingFromInvoked);
Assert.AreEqual(false, item1.IsOnNavigatingToInvoked);
Assert.AreEqual(null, item1.POnNavigatingTo);
Assert.AreEqual(false, item1.IsOnNavigatedToInvoked);
Assert.AreEqual(null, item1.POnNavigatedTo);
item1.CActivate = true;
s.Add(item1, 1);
Assert.AreEqual(true, item1.IsCanActivateInvoked);
Assert.AreEqual(false, item1.IsOnNavigatingFromInvoked);
Assert.AreEqual(true, item1.IsOnNavigatingToInvoked);
Assert.AreEqual(1, item1.POnNavigatingTo);
Assert.AreEqual(true, item1.IsOnNavigatedToInvoked);
Assert.AreEqual(1, item1.POnNavigatedTo);
Assert.AreEqual(1, s.Items.Count);
Assert.AreEqual(item1, s.Items.ElementAt(0));
}
public void Navigate_With_Commands_Update_CanExecute()
{
var sharedSource = new SharedSource <MySharedItem>();
var commands = new SharedSourceCommands(sharedSource);
Assert.AreEqual(false, commands.MoveToFirstCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToPreviousCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToNextCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToLastCommand.CanExecute(null));
var itemA = new MySharedItem();
sharedSource.Add(itemA);
Assert.AreEqual(true, itemA.IsOnNavigatedToInvoked);
Assert.AreEqual(false, commands.MoveToFirstCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToPreviousCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToNextCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToLastCommand.CanExecute(null));
var itemB = new MySharedItem();
sharedSource.Add(itemB);
Assert.AreEqual(true, itemB.IsOnNavigatedToInvoked);
Assert.AreEqual(true, commands.MoveToFirstCommand.CanExecute(null));
Assert.AreEqual(true, commands.MoveToPreviousCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToNextCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToLastCommand.CanExecute(null));
commands.MoveToPreviousCommand.Execute(null); // B => A
Assert.AreEqual(itemA, sharedSource.SelectedItem);
Assert.AreEqual(false, commands.MoveToFirstCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToPreviousCommand.CanExecute(null));
Assert.AreEqual(true, commands.MoveToNextCommand.CanExecute(null));
Assert.AreEqual(true, commands.MoveToLastCommand.CanExecute(null));
commands.MoveToNextCommand.Execute(null); // A => B
Assert.AreEqual(itemB, sharedSource.SelectedItem);
Assert.AreEqual(true, commands.MoveToFirstCommand.CanExecute(null));
Assert.AreEqual(true, commands.MoveToPreviousCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToNextCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToLastCommand.CanExecute(null));
commands.MoveToFirstCommand.Execute(null);
Assert.AreEqual(itemA, sharedSource.SelectedItem);
Assert.AreEqual(false, commands.MoveToFirstCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToPreviousCommand.CanExecute(null));
Assert.AreEqual(true, commands.MoveToNextCommand.CanExecute(null)); // not clear backstack
Assert.AreEqual(true, commands.MoveToLastCommand.CanExecute(null));
commands.MoveToLastCommand.Execute(null);
Assert.AreEqual(itemB, sharedSource.SelectedItem);
Assert.AreEqual(true, commands.MoveToFirstCommand.CanExecute(null));
Assert.AreEqual(true, commands.MoveToPreviousCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToNextCommand.CanExecute(null));
Assert.AreEqual(false, commands.MoveToLastCommand.CanExecute(null));
}
public void FindSelectable_With_Interface()
{
var item1 = new MySelectableViewModel {
Id = 2
};
var sources = new List <IMyViewModel>
{
new MyViewModelCanDeactivate(),
new MySelectableViewModel {
Id = 1
},
new MyViewModelCanActivate(),
item1,
new MySelectableViewModel {
Id = 3
}
};
var sharedSource = new SharedSource <IMyViewModel>().Load(sources);
Assert.AreEqual(5, sharedSource.Items.Count);
Assert.AreEqual(0, sharedSource.SelectedIndex);
sharedSource.Add(new MySelectableViewModel {
Id = 2
}, 2);
Assert.AreEqual(3, sharedSource.SelectedIndex);
Assert.AreEqual(item1, sharedSource.SelectedItem);
}