public override void OnApplyTemplate()
{
base.OnApplyTemplate();
HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch;
HorizontalContentAlignment = System.Windows.HorizontalAlignment.Stretch;
_templateRoot = MoreVisualTreeExtensions.FindFirstChildOfType <Panel>(this);
if (_templateRoot == null)
{
throw new InvalidOperationException("Must include a Panel in the root of the template.");
}
if (!_transitionedIn)
{
var @in = GetTransitionIn();
if (@in != null && _templateRoot != null)
{
var transition = @in.GetTransition(_templateRoot);
transition.Completed += (x, xe) => transition.Stop();
transition.Begin();
}
_transitionedIn = true;
}
}
public override void OnApplyTemplate()
{
if (_button != null)
{
_button.Click -= OnClick;
}
base.OnApplyTemplate();
_root = MoreVisualTreeExtensions.FindFirstChildOfType <Grid>(this);
if (null == _root)
{
throw new NotSupportedException("Must include a Grid for manipulating.");
}
_button = GetTemplateChild("_button") as Button;
if (_button != null)
{
_button.Click += OnClick;
}
TransformAnimator.EnsureAnimator(_root, ref _ta);
OpacityAnimator.EnsureAnimator(_root, ref _oa);
if (_oa != null)
{
_root.Opacity = 0;
_oa.GoTo(1.0, new Duration(TimeSpan.FromSeconds(.5)));
}
}
public override void OnApplyTemplate()
{
if (_image != null)
{
_image.FinalImageAvailable -= OnFinalImageAvailable;
}
base.OnApplyTemplate();
_image = MoreVisualTreeExtensions.FindFirstChildOfType <SmoothImage>(this);
if (_image != null)
{
_image.FinalImageAvailable += OnFinalImageAvailable;
}
UpdateMap();
}
public override void OnApplyTemplate()
{
_templateApplied = true;
base.OnApplyTemplate();
_stack = MoreVisualTreeExtensions.FindFirstChildOfType <Panel>(this);
if (!_haveItems)
{
UpdateItems();
}
if (double.IsNaN(MinimumItemHeight) || MinimumItemHeight < 1)
{
#if DEBUG_GIC
Debug.WriteLine(""); Debug.WriteLine("<< Developer: You should set the minimum item height for this control. " + Name + ">>"); Debug.WriteLine("");
#endif
// Just an approximate for initial stack panel population.
MinimumItemHeight = 50;
}
}
public override void OnApplyTemplate()
{
if (_scrollViewer != null && IsPullToRefreshEnabled)
{
_scrollViewer.ManipulationStarted -= OnManipulationStarted;
}
if (_top != null)
{
_top.MouseLeftButtonDown -= OnJumpToTop;
}
if (_bottom != null)
{
_bottom.MouseLeftButtonDown -= OnJumpToBottom;
}
_ta = null;
base.OnApplyTemplate();
if (IsPullToRefreshEnabled)
{
SizeChanged += OnSizeChanged;
}
_scrollViewer = MoreVisualTreeExtensions.FindFirstChildOfType <ScrollViewer>(this);
if (null == _scrollViewer)
{
return;
// Must be at design time.
//throw new NotSupportedException("Control Template must include a ScrollViewer.");
}
Dispatcher.BeginInvoke(() =>
{
_top = VisualTreeExtensions.GetVisualDescendants(_scrollViewer).OfType <Rectangle>().Where(b => b.Name == TopJumpName).FirstOrDefault();
_bottom = VisualTreeExtensions.GetVisualDescendants(_scrollViewer).OfType <Rectangle>().Where(b => b.Name == BottomJumpName).FirstOrDefault();
if (_top != null)
{
_top.MouseLeftButtonUp += OnJumpToTop;
}
if (_bottom != null)
{
_bottom.MouseLeftButtonUp += OnJumpToBottom;
}
});
_header = GetTemplateChild("Header") as ContentPresenter;
if (_header != null)
{
TransformYAnimator.EnsureAnimator(_header, ref _ta);
}
if (IsPullToRefreshEnabled)
{
_scrollViewer.ManipulationStarted += OnManipulationStarted;
}
Dispatcher.BeginInvoke(() =>
{
int i = 0;
UIElement uie = Parent as UIElement;
while (i < 8 && uie != null && _piv == null)
{
uie = VisualTreeHelper.GetParent(uie) as UIElement;
_piv = uie as LoadingPivotItem;
}
var implroot = VisualTreeHelper.GetChild(_scrollViewer, 0) as FrameworkElement;
if (implroot != null)
{
VisualStateGroup group = FindVisualState(implroot, "ScrollStates");
if (group != null)
{
group.CurrentStateChanging += OnScrollingStateChanging;
// should probably disconnect too
}
}
this.InvokeOnLayoutUpdated(Bump);
});
}