private void ContinueHandler(object sender, ExecutedRoutedEventArgs args)
{
bool isValid = ValidateActiveStep();
if (BlockNavigationOnValidationErrors && !isValid)
{
RaiseNavigationCanceledByValidation();
return;
}
StepperNavigationEventArgs navigationArgs = new StepperNavigationEventArgs(ContinueNavigationEvent, this, Controller.ActiveStep, Controller.NextStep, false);
RaiseEvent(navigationArgs);
if (ContinueNavigationCommand != null && ContinueNavigationCommand.CanExecute(navigationArgs))
{
ContinueNavigationCommand.Execute(navigationArgs);
}
if (!navigationArgs.Cancel)
{
Controller.Continue();
}
}
private void BackHandler(object sender, ExecutedRoutedEventArgs args)
{
bool isValid = ValidateActiveStep();
if (BlockNavigationOnValidationErrors && !isValid)
{
RaiseNavigationCanceledByValidation();
return;
}
StepperNavigationEventArgs navigationArgs = new StepperNavigationEventArgs(BackNavigationEvent, this, m_controller.ActiveStep, m_controller.PreviousStep, false);
RaiseEvent(navigationArgs);
if (BackNavigationCommand != null && BackNavigationCommand.CanExecute(navigationArgs))
{
BackNavigationCommand.Execute(navigationArgs);
}
if (!navigationArgs.Cancel)
{
m_controller.Back();
}
}
private void SelectStep(IStep step)
{
if (step != null && step != m_controller.ActiveStep && !IsLinear)
{
bool isValid = ValidateActiveStep();
if (BlockNavigationOnValidationErrors && !isValid)
{
RaiseNavigationCanceledByValidation();
return;
}
StepperNavigationEventArgs navigationArgs = new StepperNavigationEventArgs(StepNavigationEvent, this, m_controller.ActiveStep, step, false);
RaiseEvent(navigationArgs);
if (StepNavigationCommand != null && StepNavigationCommand.CanExecute(navigationArgs))
{
StepNavigationCommand.Execute(navigationArgs);
}
if (!navigationArgs.Cancel)
{
m_controller.GotoStep(step);
}
else
{
// refresh the property with the old state
ActiveStep = m_controller.ActiveStep;
}
}
}
private void StepSelectedHandler(object sender, ExecutedRoutedEventArgs args)
{
if (!IsLinear)
{
bool isValid = ValidateActiveStep();
if (BlockNavigationOnValidationErrors && !isValid)
{
RaiseNavigationCanceledByValidation();
return;
}
StepperNavigationEventArgs navigationArgs = new StepperNavigationEventArgs(StepNavigationEvent, this, m_controller.ActiveStep, ((StepperStepViewModel)args.Parameter).Step, false);
RaiseEvent(navigationArgs);
if (StepNavigationCommand != null && StepNavigationCommand.CanExecute(navigationArgs))
{
StepNavigationCommand.Execute(navigationArgs);
}
if (!navigationArgs.Cancel)
{
m_controller.GotoStep((StepperStepViewModel)args.Parameter);
}
}
}
private void ContinueHandler(object sender, ExecutedRoutedEventArgs args)
{
StepperNavigationEventArgs navigationArgs = new StepperNavigationEventArgs(ContinueNavigationEvent, this, Controller.ActiveStep, Controller.NextStep, false);
RaiseEvent(navigationArgs);
if (ContinueNavigationCommand != null && ContinueNavigationCommand.CanExecute(navigationArgs))
{
ContinueNavigationCommand.Execute(navigationArgs);
}
if (!navigationArgs.Cancel)
{
Controller.Continue();
}
}
private void CancelHandler(object sender, ExecutedRoutedEventArgs args)
{
if (args.Handled)
{
return;
}
StepperNavigationEventArgs navigationArgs = new StepperNavigationEventArgs(CancelNavigationEvent, this, Controller.ActiveStep, null, false);
RaiseEvent(navigationArgs);
if (CancelNavigationCommand != null && CancelNavigationCommand.CanExecute(navigationArgs))
{
CancelNavigationCommand.Execute(navigationArgs);
}
}
private void BackHandler(object sender, ExecutedRoutedEventArgs args)
{
StepperNavigationEventArgs navigationArgs = new StepperNavigationEventArgs(BackNavigationEvent, this, Controller.ActiveStep, Controller.PreviousStep, false);
RaiseEvent(navigationArgs);
if (BackNavigationCommand != null && BackNavigationCommand.CanExecute(navigationArgs))
{
BackNavigationCommand.Execute(navigationArgs);
}
if (!navigationArgs.Cancel)
{
Controller.Back();
}
}
private void StepSelectedHandler(object sender, ExecutedRoutedEventArgs args)
{
if (!IsLinear)
{
StepperNavigationEventArgs navigationArgs = new StepperNavigationEventArgs(StepNavigationEvent, this, Controller.ActiveStep, ((StepperStepViewModel)args.Parameter).Step, false);
RaiseEvent(navigationArgs);
if (StepNavigationCommand != null && StepNavigationCommand.CanExecute(navigationArgs))
{
StepNavigationCommand.Execute(navigationArgs);
}
if (!navigationArgs.Cancel)
{
Controller.GotoStep((StepperStepViewModel)args.Parameter);
}
}
}
private void StepSelectedHandler(StepperStepViewModel stepperStepViewModel)
{
if (!IsLinear)
{
StepperNavigationEventArgs navigationArgs = new StepperNavigationEventArgs(StepNavigationEvent, this, Controller.ActiveStep, stepperStepViewModel.Step, false);
RaiseEvent(navigationArgs);
if (StepNavigationCommand != null && StepNavigationCommand.CanExecute(navigationArgs))
{
StepNavigationCommand.Execute(navigationArgs);
}
if (!navigationArgs.Cancel)
{
Controller.GotoStep(stepperStepViewModel);
}
}
}
private void SelectStep(IStep step)
{
if (step != null && step != Controller.ActiveStep && !IsLinear)
{
bool isValid = ValidateActiveStep();
StepperStepViewModel activeStepViewModel = Controller.ActiveStepViewModel;
StepperStepViewModel nextStepViewModel = Controller.InternalSteps.FirstOrDefault(stepViewModel => stepViewModel.Step == step);
if (BlockNavigationOnValidationErrors && !isValid &&
(nextStepViewModel == null || nextStepViewModel.Number > activeStepViewModel.Number))
{
RaiseNavigationCanceledByValidation();
return;
}
StepperNavigationEventArgs navigationArgs = new StepperNavigationEventArgs(StepNavigationEvent, this, Controller.ActiveStep, step, false);
RaiseEvent(navigationArgs);
if (StepNavigationCommand != null && StepNavigationCommand.CanExecute(navigationArgs))
{
StepNavigationCommand.Execute(navigationArgs);
}
if (!navigationArgs.Cancel)
{
Controller.GotoStep(step);
}
else
{
// refresh the property with the old state
ActiveStep = Controller.ActiveStep;
}
}
}
