public void InsertPage(int index, IWizardPage page)
{
Argument.IsNotNull(() => page);
Log.Debug("Adding page '{0}' to index '{1}'", page.GetType().GetSafeFullName(), index);
page.Wizard = this;
page.Number = index + 1;
_pages.Insert(index, page);
}
#pragma warning disable WPF0005 // Name of PropertyChangedCallback should match registered name.
private void UpdatePage()
#pragma warning restore WPF0005 // Name of PropertyChangedCallback should match registered name.
{
if (AssociatedObject is null)
{
return;
}
var wizard = Wizard;
if (wizard is null)
{
return;
}
if (_lastPage != null)
{
if (ReferenceEquals(_lastPage, wizard.CurrentPage))
{
// Nothing has really changed
return;
}
_lastPage.ViewModel = null;
_lastPage = null;
}
_lastPage = wizard.CurrentPage;
var serviceLocator = this.GetServiceLocator();
var viewModelLocator = serviceLocator.ResolveType <IWizardPageViewModelLocator>();
var pageViewModelType = viewModelLocator.ResolveViewModel(_lastPage.GetType());
var viewLocator = serviceLocator.ResolveType <IViewLocator>();
var viewType = viewLocator.ResolveView(pageViewModelType);
var typeFactory = serviceLocator.ResolveType <ITypeFactory>();
var view = typeFactory.CreateInstance(viewType) as IView;
if (view is null)
{
return;
}
var viewModelFactory = serviceLocator.ResolveType <IViewModelFactory>();
var viewModel = viewModelFactory.CreateViewModel(pageViewModelType, wizard.CurrentPage, null);
_lastPage.ViewModel = viewModel;
view.DataContext = viewModel;
AssociatedObject.SetCurrentValue(ContentControl.ContentProperty, view);
}
public void RemovePage(IWizardPage page)
{
Argument.IsNotNull(() => page);
for (int i = 0; i < _pages.Count; i++)
{
if (ReferenceEquals(page, _pages[i]))
{
Log.Debug("Removing page '{0}' at index '{1}'", page.GetType().GetSafeFullName(), i);
page.Wizard = null;
_pages.RemoveAt(i--);
}
}
}
private void UpdatePage()
{
if (AssociatedObject == null)
{
return;
}
var wizard = Wizard;
if (wizard == null)
{
return;
}
if (_lastPage != null)
{
_lastPage.ViewModel = null;
_lastPage = null;
}
_lastPage = wizard.CurrentPage;
var serviceLocator = this.GetServiceLocator();
var viewModelLocator = serviceLocator.ResolveType <IWizardPageViewModelLocator>();
var pageViewModelType = viewModelLocator.ResolveViewModel(_lastPage.GetType());
var viewLocator = serviceLocator.ResolveType <IViewLocator>();
var viewType = viewLocator.ResolveView(pageViewModelType);
var typeFactory = serviceLocator.ResolveType <ITypeFactory>();
var view = typeFactory.CreateInstance(viewType) as IView;
if (view == null)
{
return;
}
// TODO: Consider setting the data context to a model instead of manually creating a vm
var viewModelFactory = serviceLocator.ResolveType <IViewModelFactory>();
var viewModel = viewModelFactory.CreateViewModel(pageViewModelType, wizard.CurrentPage, null);
_lastPage.ViewModel = viewModel;
view.DataContext = viewModel;
AssociatedObject.Content = view;
}
public void InsertPage(int index, IWizardPage page)
{
Argument.IsNotNull(() => page);
Log.Debug("Adding page '{0}' to index '{1}'", page.GetType().GetSafeFullName(), index);
page.Wizard = this;
page.Number = index + 1;
_pages.Insert(index, page);
}
public void RemovePage(IWizardPage page)
{
Argument.IsNotNull(() => page);
for (int i = 0; i < _pages.Count; i++)
{
if (ReferenceEquals(page, _pages[i]))
{
Log.Debug("Removing page '{0}' at index '{1}'", page.GetType().GetSafeFullName(), i);
page.Wizard = null;
_pages.RemoveAt(i--);
}
}
}
#pragma warning disable WPF0005 // Name of PropertyChangedCallback should match registered name.
private void UpdatePage()
#pragma warning restore WPF0005 // Name of PropertyChangedCallback should match registered name.
{
if (AssociatedObject is null)
{
return;
}
var wizard = Wizard;
if (wizard is null)
{
return;
}
var lastPage = _lastPage;
if (lastPage is not null)
{
if (ReferenceEquals(lastPage, wizard.CurrentPage))
{
// Nothing has really changed
return;
}
_scrollPositions.AddOrUpdate(lastPage, new ScrollInfo
{
VerticalOffset = _scrollViewer.VerticalOffset,
HorizontalOffset = _scrollViewer.HorizontalOffset
});
// Even though we cache views, we need to re-use the vm's since the view models will be closed when moving next
//_lastPage.ViewModel = null;
if (CacheViews)
{
_cachedViews.AddOrUpdate(lastPage, new CachedView
{
View = AssociatedObject.Content as IView
});
}
_lastPage = null;
}
_lastPage = wizard.CurrentPage;
var dependencyResolver = this.GetDependencyResolver();
var viewModelLocator = dependencyResolver.Resolve <IWizardPageViewModelLocator>();
var pageViewModelType = viewModelLocator.ResolveViewModel(_lastPage.GetType());
var viewLocator = dependencyResolver.Resolve <IViewLocator>();
var viewType = viewLocator.ResolveView(pageViewModelType);
var typeFactory = dependencyResolver.Resolve <ITypeFactory>();
IView view = null;
if (_cachedViews.TryGetValue(_lastPage, out var cachedView))
{
view = cachedView.View;
}
if (view is null)
{
view = typeFactory.CreateInstance(viewType) as IView;
if (view is null)
{
return;
}
}
// For now always recreate a vm since it could be closed (and we really don't want to mess with the lifetime of a view)
//var viewModel = view.DataContext as IViewModel;
IViewModel viewModel = null;
if (viewModel is null)
{
var viewModelFactory = dependencyResolver.Resolve <IViewModelFactory>();
viewModel = viewModelFactory.CreateViewModel(pageViewModelType, wizard.CurrentPage, null);
view.DataContext = viewModel;
}
_lastPage.ViewModel = viewModel;
AssociatedObject.SetCurrentValue(ContentControl.ContentProperty, view);
var verticalScrollViewerOffset = 0d;
var horizontalScrollViewerOffset = 0d;
if (_scrollPositions.TryGetValue(_lastPage, out var scrollInfo))
{
verticalScrollViewerOffset = scrollInfo.VerticalOffset;
horizontalScrollViewerOffset = scrollInfo.HorizontalOffset;
}
var scrollViewer = _scrollViewer;
if (scrollViewer is not null &&
(Wizard?.RestoreScrollPositionPerPage ?? true))
{
scrollViewer.ScrollToVerticalOffset(verticalScrollViewerOffset);
scrollViewer.ScrollToHorizontalOffset(horizontalScrollViewerOffset);
}
}