private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
if (e.PageState == null) return;
ViewModel.SearchText = (string)e.PageState[STATE_SEARCHTEXT];
GroupFlipView.SelectedIndex = e.PageState.ContainsKey(STATE_FLIPVIEW_INDEX) ?
(int)e.PageState[STATE_FLIPVIEW_INDEX] : 0;
if (e.PageState.ContainsKey(STATE_FLIPVIEW_SCROLLVIEW_VERTICALOFFSET))
{
var selectedItem = (GroupFlipView.SelectedItem as FlipViewItem);
RoutedEventHandler restoreVerticalOffset = null;
restoreVerticalOffset = (_, __) =>
{
selectedItem.Loaded -= restoreVerticalOffset;
(GroupFlipView.SelectedItem as FrameworkElement)
.Descendents()
.OfType<ScrollViewer>()
.FirstOrDefault()?
.ChangeView(null, (double)e.PageState[STATE_FLIPVIEW_SCROLLVIEW_VERTICALOFFSET], null, true);
};
selectedItem.Loaded += restoreVerticalOffset;
}
}
private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
if (e.NavigationParameter is InfoGroupViewModel)
{
var t = e.NavigationParameter as InfoGroupViewModel;
DataContext = t;
}
}
private async void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
if (e.NavigationParameter is ImageSource)
{
E_Image.Source = (e.NavigationParameter as ImageSource);
} else if (e.NavigationParameter is Guid)
{
E_Image.Source =
await
ServiceLocator.Current.AsyncImageLoaderService
.LoadImageAsync((Guid) e.NavigationParameter);
}
}
private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
//if (e.PageState == null)
//{
// _isLoaded = true;
// return;
//}
//RoutedEventHandler flipViewLoaded = null;
//flipViewLoaded = (_1, __1) =>
//{
// E_FlipView_Events.Loaded -= flipViewLoaded;
// E_FlipView_Events.SelectedIndex = e.PageState.ContainsKey(STATE_FLIPVIEW_INDEX) ?
// (int)e.PageState[STATE_FLIPVIEW_INDEX] : 0;
// _isLoaded = true;
// if (e.PageState.ContainsKey(STATE_FLIPVIEW_SCROLLVIEW_VERTICALOFFSET))
// {
// var selectedItem = (E_FlipView_Events.ContainerFromItem(E_FlipView_Events.SelectedItem) as FlipViewItem);
// if (selectedItem == null) return;
// RoutedEventHandler restoreVerticalOffset = null;
// restoreVerticalOffset = (_2, __2) =>
// {
// selectedItem.Loaded -= restoreVerticalOffset;
// (E_FlipView_Events.ContainerFromItem(E_FlipView_Events.SelectedItem) as FrameworkElement)
// .Descendents()
// .OfType<ScrollViewer>()
// .FirstOrDefault()?
// .ChangeView(null, (double)e.PageState[STATE_FLIPVIEW_SCROLLVIEW_VERTICALOFFSET], null, true);
// };
// selectedItem.Loaded += restoreVerticalOffset;
// }
//};
//E_FlipView_Events.Loaded += flipViewLoaded;
}
private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
this.Loaded += (s1, e1) =>
{
E_Grid_TouchPointNotification.Visibility = (ViewModel?.Entries?.Any() ?? false)
? Visibility.Visible
: Visibility.Collapsed;
var minZoomFactor = (float) (E_ScrollViewer_Map.ActualHeight/ViewModel.Entity.Image.Height);
E_ScrollViewer_Map.MinZoomFactor = minZoomFactor;
if (e.PageState != null && e.PageState.ContainsKey("HorizontalOffset"))
{
E_MapViewerControl_Map.MapImageLoadedEvent += (s, args) =>
{
E_ScrollViewer_Map.ChangeView(
(double) e.PageState["HorizontalOffset"],
(double) e.PageState["VerticalOffset"],
(float) e.PageState["ZoomFactor"],
disableAnimation: true
);
};
}
else
{
E_MapViewerControl_Map.MapImageLoadedEvent += (s, args) =>
{
E_ScrollViewer_Map.ChangeView(
null,
null,
minZoomFactor,
disableAnimation: true
);
};
}
};
}
private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
}
private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
_currentEventEntry = e.NavigationParameter as EventEntryViewModel;
DataContext = _currentEventEntry;
}
private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
DataContext = (e.NavigationParameter as Announcement);
}
private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
var verticalOffset = Convert.ToDouble(e.PageState?[STATE_SCROLLVIEWER_OFFSET_Y] ?? 0);
GetListViewScrollViewer().ChangeView(null, verticalOffset, null);
}
private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
DataContext = e.NavigationParameter;
}
