private void Sort(ImageComparerList.Item item)
{
IImageBox imageBox = ImageViewer.SelectedImageBox;
IDisplaySet displaySet;
if (imageBox == null || (displaySet = ImageViewer.SelectedImageBox.DisplaySet) == null)
{
return;
}
if (displaySet.PresentationImages.Count == 0)
{
return;
}
//try to keep the top-left image the same.
IPresentationImage topLeftImage = imageBox.TopLeftPresentationImage;
var command = new MemorableUndoableCommand(imageBox)
{
BeginState = imageBox.CreateMemento()
};
displaySet.PresentationImages.Sort(item.Comparer);
imageBox.TopLeftPresentationImage = topLeftImage;
imageBox.Draw();
command.EndState = imageBox.CreateMemento();
if (!command.BeginState.Equals(command.EndState))
{
var historyCommand = new DrawableUndoableCommand(imageBox)
{
Name = SR.CommandSortImages
};
historyCommand.Enqueue(command);
Context.Viewer.CommandHistory.AddCommand(historyCommand);
}
UpdateCheckState();
}
private static string GetActionKey(ImageComparerList.Item item)
{
return(item.IsReverse ? string.Format("{0} (Reverse)", item.Name) : item.Name);
}
private bool GetSortMenuItemCheckState(ImageComparerList.Item item)
{
return(SelectedPresentationImage != null && SelectedPresentationImage.ParentDisplaySet != null &&
item.Comparer.Equals(SelectedPresentationImage.ParentDisplaySet.PresentationImages.SortComparer));
}