/// <summary>
/// The forward.
/// </summary>
private void Forward()
{
this.IsNavigatingForward = true;
WizardItem newItem = this.GetItem(this.SelectedModel.Children.First());
this.SetSelectedItemIfCanNavigate(newItem);
}
/// <summary>
/// The back.
/// </summary>
private void Back()
{
this.IsNavigatingBackward = true;
WizardItem newItem = this.GetItem(this.SelectedModel.Parent);
this.SetSelectedItemIfCanNavigate(newItem);
}
/// <summary>
/// Sets the selected item if the current instance can navigate to it.
/// </summary>
/// <param name="newItem">The new item.</param>
private void SetSelectedItemIfCanNavigate(WizardItem newItem)
{
if (CanNavigate((WizardItem)this.SelectedItem, newItem))
{
this.SelectedItem = newItem;
}
}
/// <summary>
/// The on selected item changed.
/// </summary>
/// <param name="dependencyObject"> The dependency object. </param>
/// <param name="e"> The event Arguments. </param>
private static async void OnSelectedItemChanged(
DependencyObject dependencyObject,
DependencyPropertyChangedEventArgs e)
{
Wizard wizard = (Wizard)dependencyObject;
WizardItem oldItem = e.OldValue as WizardItem;
WizardItem newItem = e.NewValue as WizardItem;
await wizard.OnSelectedItemChanged(oldItem, newItem);
}
/// <summary>
/// The on navigation ended.
/// </summary>
/// <param name="oldItem"> The old item. </param>
/// <param name="newItem"> The new item. </param>
protected virtual void OnNavigationEnded(WizardItem oldItem, WizardItem newItem)
{
if (newItem != null)
{
newItem.IsEntering = false;
}
this.IsNavigatingBackward = false;
this.IsNavigatingForward = false;
this.IsNavigatingHorizontally = false;
}
/// <summary>
/// The on navigation started.
/// </summary>
/// <param name="oldItem"> The old item. </param>
/// <param name="newItem"> The new item. </param>
protected virtual void OnNavigationStarted(WizardItem oldItem, WizardItem newItem)
{
this.CrossfadeBackground(oldItem, newItem);
if (oldItem != null)
{
oldItem.IsLeaving = true;
if (oldItem.LeavingCommand != null)
{
oldItem.LeavingCommand.Execute(oldItem.LeavingCommandParameter);
}
if ((oldItem.LeavingBranchCommand != null) &&
oldItem.Model.Children.All(x => !string.Equals(x.Id, newItem.Id, StringComparison.Ordinal)) &&
oldItem.Model.Children.SelectMany(x => x.Children).All(x => !string.Equals(x.Id, newItem.Id, StringComparison.Ordinal)))
{
oldItem.LeavingBranchCommand.Execute(oldItem.LeavingBranchCommandParameter);
}
}
}
/// <summary>
/// Called when the selected item is changed.
/// </summary>
/// <param name="oldItem">The old wizard item.</param>
/// <param name="newItem">The new wizard item.</param>
/// <returns>A task representing the operation.</returns>
protected virtual async Task OnSelectedItemChanged(WizardItem oldItem, WizardItem newItem)
{
this.IsNavigating = true;
this.OnNavigationStarted(oldItem, newItem);
// Skip the exiting transition if there was no old item.
if (oldItem != null)
{
await Task.Delay(this.TransitionDuration.TimeSpan);
}
this.OnNavigating(oldItem, newItem);
await Task.Delay(this.TransitionDuration.TimeSpan);
this.OnNavigationEnded(oldItem, newItem);
this.IsNavigating = false;
}
/// <summary>
/// Determines whether this instance can navigate the specified new item from the old item.
/// </summary>
/// <param name="oldItem">The old item.</param>
/// <param name="newItem">The new item.</param>
/// <returns><c>true</c> if the wizard can navigate to the new item. Otherwise <c>false</c>.</returns>
private static bool CanNavigate(WizardItem oldItem, WizardItem newItem)
{
bool canNavigate = true;
var children = oldItem.Model.Children.SelectMany(x => x.Children);
var d = children.All(x => !string.Equals(x.Id, newItem.Id));
if ((oldItem != null) &&
(oldItem.LeavingCommand != null) &&
!oldItem.LeavingCommand.CanExecute(oldItem.LeavingCommandParameter))
{
canNavigate = false;
}
else if ((oldItem != null) &&
(oldItem.LeavingBranchCommand != null) &&
oldItem.Model.Children.All(x => !string.Equals(x.Id, newItem.Id, StringComparison.Ordinal)) &&
oldItem.Model.Children.SelectMany(x => x.Children).All(x => !string.Equals(x.Id, newItem.Id, StringComparison.Ordinal)) &&
!oldItem.LeavingBranchCommand.CanExecute(oldItem.LeavingBranchCommandParameter))
{
canNavigate = false;
}
else if ((newItem != null) &&
!newItem.IsVisited &&
(newItem.EnteringFirstTimeCommand != null) &&
!newItem.EnteringFirstTimeCommand.CanExecute(newItem.EnteringFirstTimeCommandParameter))
{
canNavigate = false;
}
else if ((newItem != null) &&
(newItem.EnteringCommand != null) &&
!newItem.EnteringCommand.CanExecute(newItem.EnteringCommandParameter))
{
canNavigate = false;
}
return(canNavigate);
}
/// <summary>
/// The on wizard item parent changed.
/// </summary>
/// <param name="sender"> The sender. </param>
/// <param name="e"> The event Arguments. </param>
protected virtual void OnWizardItemParentChanged(object sender, RoutedEventArgs e)
{
WizardItem wizardItem = (WizardItem)sender;
WizardItemCollection items = new WizardItemCollection(this.Items.OfType <WizardItem>());
WizardItemModel model = wizardItem.Model;
WizardItemModel oldParent = wizardItem.Model.Parent;
// Disconnect from old parent.
if (oldParent != null)
{
oldParent.Children.Remove(model);
model.Parent = null;
}
// Connect to new parent.
if ((wizardItem.ParentId != null) && items.Contains(wizardItem.ParentId))
{
WizardItemModel newParent = items[wizardItem.ParentId].Model;
newParent.Children.Add(model);
model.Parent = newParent;
}
}
/// <summary>
/// The on navigating.
/// </summary>
/// <param name="oldItem"> The old item. </param>
/// <param name="newItem"> The new item. </param>
protected virtual void OnNavigating(WizardItem oldItem, WizardItem newItem)
{
if (oldItem != null)
{
oldItem.IsLeaving = false;
oldItem.IsSelected = false;
}
if (newItem != null)
{
newItem.IsEntering = true;
if (!newItem.IsVisited && (newItem.EnteringFirstTimeCommand != null))
{
newItem.EnteringFirstTimeCommand.Execute(newItem.EnteringFirstTimeCommandParameter);
}
if (newItem.EnteringCommand != null)
{
newItem.EnteringCommand.Execute(newItem.EnteringCommandParameter);
}
newItem.IsSelected = true;
this.DisplayItem = newItem;
this.UpdateBreadcrumb();
this.IsBackAllowed = this.CanBackAllowed();
this.IsForwardAllowed = this.CanForwardAllowed();
this.BackCommand.RaiseCanExecuteChanged();
this.ForwardCommand.RaiseCanExecuteChanged();
this.SelectCommand.RaiseCanExecuteChanged();
}
}
/// <summary>
/// Gets a <see cref="WizardItemModel"/> from the specified object which can be a <see cref="WizardItemModel"/>, <see cref="WizardItem"/> or wizard item ID.
/// </summary>
/// <param name="parameter">The parameter.</param>
/// <returns>The <see cref="WizardItemModel"/>.</returns>
private WizardItemModel GetModel(object parameter)
{
WizardItemModel model = parameter as WizardItemModel;
if (model == null)
{
WizardItem wizardItem = parameter as WizardItem;
if (wizardItem != null)
{
model = wizardItem.Model;
}
}
if (model == null)
{
string wizardItemId = parameter as string;
if (wizardItemId != null)
{
model = this.models.FirstOrDefault(x => string.Equals(x.Id, wizardItemId, StringComparison.Ordinal));
}
}
return(model);
}
/// <summary>
/// The initial collection animation.
/// </summary>
/// <param name="itemsControl"> The items control. </param>
private static void InitCollectionAnimation(ItemsControl itemsControl)
{
Wizard wizard = itemsControl.FindVisualParent <Wizard>();
WizardItem wizardItem = itemsControl.FindVisualParent <WizardItem>();
if ((wizard != null) && (wizardItem != null))
{
WizardCollectionAnimation animation = (WizardCollectionAnimation)Enum.Parse(
typeof(WizardCollectionAnimation),
GetCollectionAnimation(itemsControl).ToString());
BehaviorCollection behaviors = Interaction.GetBehaviors(itemsControl);
AnimatingItemsControlBehavior behavior = behaviors.OfType <AnimatingItemsControlBehavior>().FirstOrDefault();
if (behavior == null)
{
behavior = new AnimatingItemsControlBehavior()
{
Duration = wizard.TransitionDuration.TimeSpan,
IsRandom = animation == WizardCollectionAnimation.Random
};
behaviors.Add(behavior);
}
wizardItem.Entering +=
(sender, e2) =>
{
behavior.AnimateIn();
};
wizardItem.Leaving +=
(sender, e2) =>
{
behavior.AnimateOut();
};
}
}
/// <summary>
/// The select.
/// </summary>
/// <param name="parameter"> The parameter. </param>
private void Select(object parameter)
{
WizardItemModel model = this.GetModel(parameter);
if (model != null)
{
if (this.DisplayItem != null)
{
WizardItemModel displayModel = this.DisplayItem.Model;
if (displayModel != null)
{
if (this.Breadcrumb.Contains(model))
{
// Going back through the breadcrumb.
this.IsNavigatingBackward = true;
}
else if (this.Breadcrumb
.Traverse(x => x.Children)
.Where(x => x != this.Breadcrumb.Last() && !this.Breadcrumb.Last().Children.Traverse(y => y.Children).Contains(x))
.Any(x => x.Equals(model)))
{
// Going sideways through the breadcrumb.
this.IsNavigatingHorizontally = true;
}
else
{
// Go forward with the breadcrumb.
this.IsNavigatingForward = true;
}
}
}
WizardItem newItem = this.GetItem(model);
this.SetSelectedItemIfCanNavigate(newItem);
}
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target)
{
switch (connectionId)
{
case 1:
this.ModeComboBox = ((System.Windows.Controls.ComboBox)(target));
return;
case 2:
#line 93 "..\..\..\Views\WizardView.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.OnSkipManagersWizardItemClick);
#line default
#line hidden
return;
case 3:
#line 99 "..\..\..\Views\WizardView.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.OnUnskipManagersWizardItemClick);
#line default
#line hidden
return;
case 4:
#line 106 "..\..\..\Views\WizardView.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.OnAddWizardItemClick);
#line default
#line hidden
return;
case 5:
#line 112 "..\..\..\Views\WizardView.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.OnRemoveWizardItemClick);
#line default
#line hidden
return;
case 6:
#line 119 "..\..\..\Views\WizardView.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.OnCollapseWizardItemClick);
#line default
#line hidden
return;
case 7:
#line 125 "..\..\..\Views\WizardView.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.OnUnCollapseWizardItemClick);
#line default
#line hidden
return;
case 8:
this.Wizard = ((Framework.UI.Controls.Wizard)(target));
return;
case 9:
this.ManagersWizardItem = ((Framework.UI.Controls.WizardItem)(target));
return;
case 10:
this.SimonSmithWizardItem = ((Framework.UI.Controls.WizardItem)(target));
return;
}
this._contentLoaded = true;
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target) {
switch (connectionId)
{
case 1:
this.ModeComboBox = ((System.Windows.Controls.ComboBox)(target));
return;
case 2:
#line 93 "..\..\..\Views\WizardView.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.OnSkipManagersWizardItemClick);
#line default
#line hidden
return;
case 3:
#line 99 "..\..\..\Views\WizardView.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.OnUnskipManagersWizardItemClick);
#line default
#line hidden
return;
case 4:
#line 106 "..\..\..\Views\WizardView.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.OnAddWizardItemClick);
#line default
#line hidden
return;
case 5:
#line 112 "..\..\..\Views\WizardView.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.OnRemoveWizardItemClick);
#line default
#line hidden
return;
case 6:
#line 119 "..\..\..\Views\WizardView.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.OnCollapseWizardItemClick);
#line default
#line hidden
return;
case 7:
#line 125 "..\..\..\Views\WizardView.xaml"
((System.Windows.Controls.Button)(target)).Click += new System.Windows.RoutedEventHandler(this.OnUnCollapseWizardItemClick);
#line default
#line hidden
return;
case 8:
this.Wizard = ((Framework.UI.Controls.Wizard)(target));
return;
case 9:
this.ManagersWizardItem = ((Framework.UI.Controls.WizardItem)(target));
return;
case 10:
this.SimonSmithWizardItem = ((Framework.UI.Controls.WizardItem)(target));
return;
}
this._contentLoaded = true;
}
/// <summary>
/// The cross fade background.
/// </summary>
/// <param name="previousItem"> The previous item. </param>
/// <param name="currentItem"> The current item. </param>
private void CrossfadeBackground(WizardItem previousItem, WizardItem currentItem)
{
if ((this.previousItemBorder != null) &&
(previousItem != currentItem))
{
if (this.backgroundStoryboard != null)
{
this.backgroundStoryboard.Stop();
}
if (previousItem != null)
{
this.previousItemBorder.Background = previousItem.Background;
this.previousItemBorder.BorderBrush = previousItem.BorderBrush;
this.previousItemBorder.BorderThickness = previousItem.BorderThickness;
}
else
{
this.previousItemBorder.Background = null;
this.previousItemBorder.BorderBrush = null;
this.previousItemBorder.BorderThickness = new Thickness();
}
if (currentItem != null)
{
this.currentItemBorder.Background = currentItem.Background;
this.currentItemBorder.BorderBrush = currentItem.BorderBrush;
this.currentItemBorder.BorderThickness = currentItem.BorderThickness;
}
else
{
this.currentItemBorder.Background = null;
this.currentItemBorder.BorderBrush = null;
this.currentItemBorder.BorderThickness = new Thickness();
}
if (this.backgroundStoryboard == null)
{
this.backgroundStoryboard = new Storyboard()
{
Duration = this.TransitionDuration + this.TransitionDuration
};
DoubleAnimation previousDoubleAnimation = new DoubleAnimation()
{
From = 1,
To = 0
};
Storyboard.SetTarget(previousDoubleAnimation, this.previousItemBorder);
Storyboard.SetTargetProperty(previousDoubleAnimation, new PropertyPath("Opacity"));
this.backgroundStoryboard.Children.Add(previousDoubleAnimation);
DoubleAnimation currentDoubleAnimation = new DoubleAnimation()
{
From = 0,
To = 1
};
Storyboard.SetTarget(currentDoubleAnimation, this.currentItemBorder);
Storyboard.SetTargetProperty(currentDoubleAnimation, new PropertyPath("Opacity"));
this.backgroundStoryboard.Children.Add(currentDoubleAnimation);
}
this.backgroundStoryboard.Begin();
}
}
/// <summary>
/// The initial animation.
/// </summary>
/// <param name="frameworkElement"> The framework element. </param>
private static void InitAnimation(FrameworkElement frameworkElement)
{
Wizard wizard = frameworkElement.FindVisualParent <Wizard>();
WizardItem wizardItem = frameworkElement.FindVisualParent <WizardItem>();
if ((wizard != null) && (wizardItem != null))
{
WizardAnimation animation = (WizardAnimation)Enum.Parse(
typeof(WizardAnimation),
GetAnimation(frameworkElement).ToString());
BehaviorCollection behaviors = Interaction.GetBehaviors(frameworkElement);
FadeBehavior fadeBehavior = null;
if ((animation == WizardAnimation.Fade) || (animation == WizardAnimation.FadeAndSlide))
{
fadeBehavior = behaviors.OfType <FadeBehavior>().FirstOrDefault();
if (fadeBehavior == null)
{
fadeBehavior = new FadeBehavior()
{
Duration = wizard.TransitionDuration.TimeSpan,
};
behaviors.Add(fadeBehavior);
}
}
SlideBehavior slideBehavior = null;
if ((animation == WizardAnimation.Slide) || (animation == WizardAnimation.FadeAndSlide))
{
slideBehavior = behaviors.OfType <SlideBehavior>().FirstOrDefault();
if (slideBehavior == null)
{
slideBehavior = new SlideBehavior()
{
Duration = wizard.TransitionDuration.TimeSpan,
};
behaviors.Add(slideBehavior);
}
}
wizardItem.Entering +=
(sender, e2) =>
{
if (fadeBehavior != null)
{
fadeBehavior.FadeIn();
}
if (slideBehavior != null)
{
slideBehavior.SlideIn();
}
};
wizardItem.Leaving +=
(sender, e2) =>
{
if (fadeBehavior != null)
{
fadeBehavior.FadeOut();
}
if (slideBehavior != null)
{
slideBehavior.SlideOut();
}
};
}
}