private void DataGrid_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if ((sender as DataGrid).SelectedItem is UndertaleBackground.TileID tileID)
{
UndertaleBackground bg = DataContext as UndertaleBackground;
uint x = tileID.ID % bg.GMS2TileColumns;
uint y = tileID.ID / bg.GMS2TileColumns;
Canvas.SetLeft(TileRectangle, ((x + 1) * bg.GMS2OutputBorderX) + (x * (bg.GMS2TileWidth + bg.GMS2OutputBorderX)));
Canvas.SetTop(TileRectangle, ((y + 1) * bg.GMS2OutputBorderY) + (y * (bg.GMS2TileHeight + bg.GMS2OutputBorderY)));
}
}
private void BGTexture_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (!TileRectangle.IsVisible) // MainWindow.IsGMS2
{
return;
}
Point pos = e.GetPosition((IInputElement)sender);
UndertaleBackground bg = DataContext as UndertaleBackground;
int x = (int)((int)pos.X / (bg.GMS2TileWidth + (2 * bg.GMS2OutputBorderX)));
int y = (int)((int)pos.Y / (bg.GMS2TileHeight + (2 * bg.GMS2OutputBorderY)));
int tileID = (int)((bg.GMS2TileColumns * y) + x);
if (tileID > bg.GMS2TileCount - 1)
{
return;
}
e.Handled = true;
int tileIndex = bg.GMS2TileIds.FindIndex(x => x.ID == tileID);
ScrollViewer tileListViewer = MainWindow.FindVisualChild <ScrollViewer>(TileIdList);
tileListViewer.ScrollToVerticalOffset(tileIndex + 1 - (tileListViewer.ViewportHeight / 2)); // DataGrid offset is logical
tileListViewer.UpdateLayout();
ScrollViewer dataEditorViewer = (Application.Current.MainWindow as MainWindow).DataEditor.Parent as ScrollViewer;
double initOffset = dataEditorViewer.VerticalOffset;
TileIdList.SelectedIndex = tileIndex;
(TileIdList.ItemContainerGenerator.ContainerFromIndex(tileIndex) as DataGridRow)?.MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));
dataEditorViewer.UpdateLayout();
dataEditorViewer.ScrollToVerticalOffset(initOffset);
}