/// <summary>
/// Makes the clicked item active, if this is allowed
/// </summary>
/// <param name="wizardScreen"></param>
public void JumpTo(IWizardScreen wizardScreen)
{
if (wizardScreen.IsEnabled && wizardScreen.IsVisible && !wizardScreen.IsActive)
{
Wizard.CurrentWizardScreen = wizardScreen;
}
}
/// <summary>
/// Initialize this with the information in the IWizard
/// </summary>
/// <param name="wizard">IWizard</param>
private void Initialize(IWizard wizard)
{
Wizard = wizard;
if (Wizard.WizardScreens == null)
{
throw new ArgumentNullException(nameof(wizard.WizardScreens));
}
// Make sure the view is created via the dispatcher
Application.Current.Dispatcher.Invoke(() =>
{
WizardScreensView = CollectionViewSource.GetDefaultView(wizard.WizardScreens);
WizardScreensView.Filter = o =>
{
IWizardScreen wizardScreen = o as IWizardScreen;
return(wizardScreen?.IsVisible == true);
};
});
}
private void AddScreen(IWizardScreen screen)
{
_pages.Add(screen);
StackPanel stackPanel = new StackPanel();
string[] title = screen.Title;
foreach (string text in title)
{
stackPanel.Children.Add(new TextBlock
{
Text = text,
HorizontalAlignment = System.Windows.HorizontalAlignment.Center
});
}
System.Windows.Controls.Button element = new System.Windows.Controls.Button
{
Content = stackPanel,
Style = (FindResource("WizardStepStyle") as Style)
};
Steps.Children.Add(element);
}
/// <summary>
/// Displays a given screen in the content area of the wizard
/// </summary>
/// <param name="screenType">WizardScreenType enum of screen to be displayed</param>
private void LoadScreen(WizardScreenType screenType)
{
// Do not proceed if there was a validation failiure in current screen
if (!activeWizardScreens[currentScreen].ValidateScreen())
{
return;
}
// Check if specified screen type is present
if (!activeWizardScreens.ContainsKey(screenType))
{
throw new InvalidOperationException("Specified wizard screen was not found!");
}
// Clear existing content
wizardScreenPanel.Controls.Clear();
IWizardScreen screenToLoad = activeWizardScreens[screenType];
wizardScreenPanel.Controls.Add(screenToLoad as UserControl);
wizardScreenPanel.Controls[0].Dock = DockStyle.Fill;
// Set the headings
mainHeader.Text = screenToLoad.MainHeader;
subHeader.Text = screenToLoad.SubHeader;
// If showing the last screen, disable next and activate finish.
if ((int)screenType == activeWizardScreens.Count - 1)
{
navigateNext.Enabled = false;
navigateFinish.Enabled = true;
}
else
{
navigateNext.Enabled = true;
navigateFinish.Enabled = false;
}
// Enable back button only if its not the first screen being displayed now
navigatePrevious.Enabled = ((int)screenType != 0);
}
public IWizardScreen GetNextScreen(IWizardScreen screenThatClosed)
{
var identity = screenThatClosed.GetType();
var state = screenThatClosed.State;
var transition = screenThatClosed.NextScreenType;
if (!ContainsKey(identity))
{
throw new InvalidOperationException(String.Format("There are no states transitions defined for state {0}", identity));
}
if (!this[identity].ContainsKey(transition))
{
throw new InvalidOperationException(String.Format("There is no response setup for transition {0} from screen {1}", transition, identity));
}
if (this[identity][transition] == null)
{
return(null);
}
return((IWizardScreen)this[identity][transition].DynamicInvoke(state));
}
