private void OnSelectedPageChanged()
{
try
{
var index = Configuration.Pages.IndexOf(SelectedPage);
for (int i = 0; i < index; i++)
{
var page = Configuration.Pages.ElementAt(i);
if (!page.Validate())
{
Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.ContextIdle, new Action(() => SelectedPage = page));
return;
}
}
IsLastPage = index == Configuration.Pages.Count - 1;
}
finally
{
NextPageCommand.RaiseCanExecuteChanged();
PrevPageCommand.RaiseCanExecuteChanged();
}
}
/// <summary>
/// 更新按钮状态
/// </summary>
private void upButtonStatus()
{
FirstPageCommand.RaiseCanExecuteChanged();
PreviousPageCommand.RaiseCanExecuteChanged();
NextPageCommand.RaiseCanExecuteChanged();
LastPageCommand.RaiseCanExecuteChanged();
}
private void RoomChangedHandler()
{
OnPropertyChanged("SelectedRoom");
AddAppointements();
FilterAppointementsByRoom();
AllFlag = true;
NextPageCommand.RaiseCanExecuteChanged();
}
private void OnPageNumberChange()
{
SendPropertyChanged(nameof(CurrentPageNumber));
SendPropertyChanged(nameof(PageStart));
SendPropertyChanged(nameof(PageEnd));
PreviousPageCommand.RaiseCanExecuteChanged();
NextPageCommand.RaiseCanExecuteChanged();
}
private void CheckAppointementsLenght()
{
ErrorText = "";
if (FilteredAppointements.Count == 0)
{
ErrorText = "There are no appointements with selected filters.";
}
NextPageCommand.RaiseCanExecuteChanged();
}
private void OnPatientEmailChanged()
{
ErrorText = "";
AllFlag = false;
var o = _patientController.GetPatientByEmail(PatientEmailText);
if (o is null)
{
ErrorText = "Patient with that email doesn't exist.";
}
AddAppointements();
FilteredAppointements = new ObservableCollection <Appointement>(from a in FilteredAppointements where a.Patient.Email.Value == PatientEmailText select a);
AllFlag = true;
NextPageCommand.RaiseCanExecuteChanged();
}
private void OnPropertyChanged(object sender, PropertyChangedEventArgs e)
{
NextPageCommand.RaiseCanExecuteChanged();
PrevPageCommand.RaiseCanExecuteChanged();
ButtonNext.Visibility = NextPageCommand.CanExecute(null) ? Visibility.Visible : Visibility.Hidden;
ButtonPrev.Visibility = PrevPageCommand.CanExecute(null) ? Visibility.Visible : Visibility.Hidden;
LabelPage.Content = PageCount == 1 ? null : $"{Page + 1}/{PageCount}";
if (ItemsSource == null)
{
return;
}
var pageSize = PageSize;
PagedItemSource =
new ObservableCollection <object>(
ItemsSource.OfType <object>().Skip(Page * pageSize).Take(pageSize).ToList());
if (e.PropertyName == nameof(ItemsSource))
{
Page = 0;
}
}
private void DoctorChangedHandler()
{
FilterAppointementsByDoctor();
AllFlag = true;
NextPageCommand.RaiseCanExecuteChanged();
}