private void Reader_ChapterChanged(object sender, Chapter e)
{
string title = e.Title;
ChapterTitleBlock.Text = title;
ChapterListView.SelectedItem = e;
ChapterListView.ScrollIntoView(e, ScrollIntoViewAlignment.Leading);
}
private void SyncIndexCascadeViewSelection()
{
if (ViewModel.VolumeNo < 0 || ViewModel.ChapterNo < 0 || ViewModel.Index.Count <= ViewModel.VolumeNo || ViewModel.Index[ViewModel.VolumeNo].Count <= ViewModel.ChapterNo)
{
return;
}
var target = ViewModel.Index[ViewModel.VolumeNo];
var chpTarget = target[ViewModel.ChapterNo];
if (ViewModel.HasNext)
{
var nextvm = ViewModel.Index[ViewModel.VolumeNo][ViewModel.ChapterNo + 1];
nextvm.NotifyPropertyChanged("IsDownloaded");
}
if (VolumeListView.ActualHeight > 0 && VolumeListView.Items.Count > 0)
{
VolumeListView.SelectedItem = target;
VolumeListView.UpdateLayout();
VolumeListView.ScrollIntoView(target, ScrollIntoViewAlignment.Leading);
}
else
{
if (VolumeListView.GetValue(ListViewBaseScrollToItemRequestProperty) == null)
{
VolumeListView.SetValue(ListViewBaseScrollToItemRequestProperty, target);
VolumeListView.SizeChanged += ListView_SizeChanged_ScrollToItem;
}
else
{
VolumeListView.SetValue(ListViewBaseScrollToItemRequestProperty, target);
}
}
if (ChapterListView.ActualHeight > 0 && ChapterListView.Items.Count > 0)
{
ChapterListView.SelectedItem = chpTarget;
ChapterListView.UpdateLayout();
ChapterListView.ScrollIntoView(chpTarget, ScrollIntoViewAlignment.Leading);
}
else
{
if (ChapterListView.GetValue(ListViewBaseScrollToItemRequestProperty) == null)
{
ChapterListView.SetValue(ListViewBaseScrollToItemRequestProperty, chpTarget);
ChapterListView.SizeChanged += ListView_SizeChanged_ScrollToItem;
}
else
{
ChapterListView.SetValue(ListViewBaseScrollToItemRequestProperty, chpTarget);
}
}
}
private void SyncIndexSelection()
{
if (!ViewModel.IsLoading)
{
if (VolumeListView.SelectedIndex != ViewModel.VolumeNo)
{
VolumeListView.SelectedIndex = ViewModel.VolumeNo;
}
if (ChapterListView.SelectedIndex != ViewModel.ChapterNo)
{
ChapterListView.SelectedIndex = ViewModel.ChapterNo;
}
VolumeListView.ScrollIntoView(VolumeListView.SelectedItem, ScrollIntoViewAlignment.Leading);
ChapterListView.ScrollIntoView(ChapterListView.SelectedItem, ScrollIntoViewAlignment.Leading);
}
}
