/// <summary>
/// Constructs a history entry of a particular type, populating
/// its fields with the contents of a cartridge tag, and using
/// <code>DateTime.Now</code> as timestamp.
/// </summary>
/// <param name="type"></param>
/// <param name="cartTag"></param>
public HistoryEntry(HistoryEntry.Type type, CartridgeTag cartTag)
{
EntryType = type;
RelatedCartridgeFilename = cartTag.Cartridge.Filename;
RelatedCartridgeGuid = cartTag.Guid;
RelatedCartridgeName = cartTag.Title;
BitmapSource thumb = (BitmapSource)cartTag.Thumbnail;
RelatedCartridgeThumbnailBase64 = thumb == null ? null : Utils.ImageUtils.ToBase64String(thumb, ThumbnailWidth, ThumbnailWidth);
Timestamp = DateTime.Now;
}
/// <summary>
/// Constructs a history entry of a particular type, populating
/// its fields with the contents of a cartridge tag and a cartridge
/// savegame, and using <code>DateTime.Now</code> as timestamp.
/// </summary>
/// <param name="type"></param>
/// <param name="cartTag"></param>
/// <param name="savegame"></param>
public HistoryEntry(HistoryEntry.Type type, CartridgeTag cartTag, CartridgeSavegame savegame)
: this(type, cartTag)
{
RelatedSavegameHashColor = savegame.HashColor;
RelatedSavegameName = savegame.Name;
}
private void RunHistoryEntryAction(HistoryEntry entry)
{
// Is the entry is related to saving the game?
bool isRelatedToSavegame = entry.EntryType == HistoryEntry.Type.Saved ||
entry.EntryType == HistoryEntry.Type.Restored;
// Gets the cartridge tag if it still exists.
CartridgeTag tag = entry.CartridgeTag;
// Does the cartridge still exist?
// NO -> Asks for clearing the history.
if (tag == null)
{
// Asks for clearing the history.
if (System.Windows.MessageBox.Show(String.Format("The cartridge {0} could not be found, perhaps because it is not installed anymore.\n\nDo you want to remove the history entries for this cartridge?", entry.RelatedCartridgeName), "Cartridge not found", MessageBoxButton.OKCancel) == System.Windows.MessageBoxResult.OK)
{
// Clears the history of the entries related to this cartridge.
Model.History.RemoveAllOf(entry.RelatedCartridgeGuid);
}
// No more to do.
return;
}
// Is the entry is related to saving the game?
// YES -> Asks if the user wants to restore it.
// NO -> Go to the cartridge info page.
if (isRelatedToSavegame)
{
// Gets the savegame if it still exists.
CartridgeSavegame savegame = entry.Savegame;
// Does the savegame still exist?
// NO -> Asks for removing the entry.
// YES -> Restore it.
if (savegame == null)
{
// Asks for removing the entry.
if (System.Windows.MessageBox.Show(String.Format("The savegame {0} could not be found, perhaps because it is not installed anymore.\n\nDo you want to remove this history entry?", entry.RelatedSavegameName), "Savegame not found", MessageBoxButton.OKCancel) == System.Windows.MessageBoxResult.OK)
{
// Clears the history of the entries related to this cartridge.
Model.History.Remove(entry);
}
}
else
{
// Restores the cartridge.
App.Current.ViewModel.NavigationManager.NavigateToGameHome(tag.Cartridge.Filename, savegame);
}
}
else
{
// Navigates to the cartridge info.
// (We know the cartridge tag exists at this point.)
ShowCartridgeInfo(tag);
}
}