internal static void Show(string photo, object itemSource, Func <object, bool, Uri> photoGetter, Thickness margin, UIElement page)
{
if (_viewerInstance != null)
{
throw new InvalidOperationException("Already displaying a photoviewer popup");
}
_hostGrid = VisualTreeHelperExtensions.GetFirstDescendantOfType <Grid>(page);
if (_hostGrid != null)
{
_viewerInstance = new ImagePopupViewer(photoGetter, photo);
// dialog needs to span all rows in the grid
_viewerInstance.SetValue(Grid.RowSpanProperty, (_hostGrid.RowDefinitions.Count > 0 ? _hostGrid.RowDefinitions.Count : 1));
_viewerInstance.SetValue(Grid.ColumnSpanProperty, (_hostGrid.ColumnDefinitions.Count > 0 ? _hostGrid.ColumnDefinitions.Count : 1));
_hostGrid.Children.Add(_viewerInstance);
_viewerInstance.ItemsSource = itemSource;
}
else
{
throw new ArgumentException("can't find a top level grid");
}
}
private void LoadData()
{
Func <object, bool, Uri> getImageForThumbnail = (o, large) =>
{
return(new Uri(((Thumbnail)o).ImageUrl));
};
ImagePopupViewer.Show(Model.Items[0].ImageUrl, Model.Items, getImageForThumbnail, new Thickness(50, 50, 50, 50), this);
}
private void ImagePopupViewer_Unloaded(object sender, RoutedEventArgs e)
{
if (_hostGrid != null)
{
ElementCompositionPreview.SetElementChildVisual(_hostGrid.Children[0], null);
_hostGrid.Children.Remove(_viewerInstance);
_hostGrid = null;
}
_viewerInstance = null;
}
internal static void Show(string photo, object itemSource, Func<object, bool, Uri> photoGetter, Thickness margin, UIElement page)
{
if (_viewerInstance != null)
{
throw new InvalidOperationException("Already displaying a photoviewer popup");
}
_hostGrid = VisualTreeHelperExtensions.GetFirstDescendantOfType<Grid>(page);
if (_hostGrid != null)
{
_viewerInstance = new ImagePopupViewer(photoGetter, photo);
// dialog needs to span all rows in the grid
_viewerInstance.SetValue(Grid.RowSpanProperty, (_hostGrid.RowDefinitions.Count > 0 ? _hostGrid.RowDefinitions.Count : 1));
_viewerInstance.SetValue(Grid.ColumnSpanProperty, (_hostGrid.ColumnDefinitions.Count > 0 ? _hostGrid.ColumnDefinitions.Count : 1));
_hostGrid.Children.Add(_viewerInstance);
_viewerInstance.ItemsSource = itemSource;
}
else
{
throw new ArgumentException("can't find a top level grid");
}
}
private void ImagePopupViewer_Unloaded(object sender, RoutedEventArgs e)
{
if (_hostGrid != null)
{
ElementCompositionPreview.SetElementChildVisual(_hostGrid.Children[0], null);
_hostGrid.Children.Remove(_viewerInstance);
_hostGrid = null;
}
_viewerInstance = null;
}
