// This calls onLoaded
private void SetBookAnchor(object sender, RoutedEventArgs e)
{
SetScrollBar();
ToggleInertia();
ContentGrid.IsSynchronizedWithCurrentItem = false;
AccelerSV = ContentGrid.Child_0 <ScrollViewer>(1);
// Reader may not be available as ContentGrid.OnLoad is faster then SetTemplate
if (!(Reader == null || Reader.SelectedData == null))
{
ContentGrid.ScrollIntoView(Reader.SelectedData, ScrollIntoViewAlignment.Leading);
}
}
internal void ContentGrid_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (Reader == null || UserStartReading)
{
return;
}
UserStartReading = true;
if (0 < e.AddedItems.Count)
{
ContentGrid.ScrollIntoView(e.AddedItems[0]);
}
Reader.AutoVolumeAnchor();
}
private void UpdateContentView(object sender, FileSystemEventArgs e)
{
// This has to be done on UI thread.
syncContext.Send(
delegate
{
ContentGrid.DataContext = CreateContentDataTable(Navigation.CurrentPath);
//Scroll to the first item. Otherwise, the previous scroll will affect current view.
if (ContentGrid.Items.Count > 0)
{
ContentGrid.ScrollIntoView(ContentGrid.Items[0]);
}
}, null
);
}
internal void GotoIndex(int i)
{
if (ContentGrid.ItemsSource == null)
{
return;
}
int l = ContentGrid.Items.Count;
if (!(-1 < i && i < l))
{
return;
}
ContentGrid.SelectedIndex = i;
ContentGrid.ScrollIntoView(ContentGrid.SelectedItem, ScrollIntoViewAlignment.Leading);
Reader.SelectIndex(i);
ShowUndoButton();
}