public void AddAndRemoveEmails()
{
var emailDeletionService = new MockEmailDeletionService();
var emailFolder = new EmailFolder()
{
EmailDeletionService = emailDeletionService
};
Assert.IsFalse(emailFolder.Emails.Any());
var email1 = new Email();
emailFolder.AddEmail(email1);
Assert.AreEqual(email1, emailFolder.Emails.Single());
var email2 = new Email();
emailFolder.AddEmail(email2);
AssertHelper.SequenceEqual(new[] { email1, email2 }, emailFolder.Emails);
bool deleteEmailCalled = false;
emailDeletionService.DeleteEmailAction = (folder, email) =>
{
deleteEmailCalled = true;
Assert.AreEqual(emailFolder, folder);
Assert.AreEqual(email1, email);
};
emailFolder.RemoveEmail(email1);
Assert.IsTrue(deleteEmailCalled);
}
private void DeleteEmail()
{
var nextEmail = CollectionHelper.GetNextElementOrDefault(EmailListViewModel.Emails, EmailListViewModel.SelectedEmail);
EmailFolder.RemoveEmail(EmailListViewModel.SelectedEmail);
EmailListViewModel.SelectedEmail = nextEmail ?? EmailListViewModel.Emails.LastOrDefault();
EmailListViewModel.FocusItem();
}
private void DeleteEmail()
{
// Use the EmailCollectionView, which represents the sorted/filtered state of the emails, to determine the next email to select.
var nextEmail = CollectionHelper.GetNextElementOrDefault(EmailListViewModel.EmailCollectionView, EmailListViewModel.SelectedEmail);
EmailFolder.RemoveEmail(EmailListViewModel.SelectedEmail);
EmailListViewModel.SelectedEmail = nextEmail ?? EmailListViewModel.EmailCollectionView.LastOrDefault();
EmailListViewModel.FocusItem();
}