protected override void OnInitialized(EventArgs e)
{
base.OnInitialized(e);
CommandBindings.Add(new CommandBinding(ApplicationCommands.Undo,
(sender, ce) =>
{
var undo = UndoStack.Pop();
_isUndoHandle = true;
if (!(UndoCommand?.CanExecute(null) ?? true))
{
return;
}
else
{
UndoCommand?.Execute(null);
}
undo.UndoAction(undo);
},
(sender, ce) =>
{
ce.CanExecute = UndoStack.Any();
}));
CommandBindings.Add(new CommandBinding(ApplicationCommands.Redo,
(sender, ce) =>
{
var redo = RedoStack.Pop();
_isUndoHandle = false;
if (!(RedoCommand?.CanExecute(null) ?? true))
{
return;
}
else
{
RedoCommand?.Execute(null);
}
redo.RedoAction(redo);
},
(sender, ce) =>
{
ce.CanExecute = RedoStack.Any();
}));
}
/// <summary>
/// 元に戻す
/// </summary>
/// <returns>破壊的命令をUndoしたか</returns>
public bool Undo()
{
if (!UndoStack.Any())
{
return(false);
}
var cmd = UndoStack.Pop();
cmd.Undo();
RedoStack.Push(cmd);
if (cmd.IsDestructive)
{
EditCount--;
}
return(cmd.IsDestructive);
}
public override void Undo()
{
if (!UndoStack.Any())
{
return;
}
// Get Previous Change
var previousItemChange = UndoStack.Pop();
var selectedItem = Items[previousItemChange.Index];
// Set Redo Change
PushNewItemChange(selectedItem, previousItemChange.Index, RedoStack);
// Undo
Items[previousItemChange.Index] = (Furniture)previousItemChange.Item;
var img = EditorPictureBox.Image;
EditorPictureBox.Image = ImageGeneration.DrawFurnitureArrows((Bitmap)Inventory.GetItemPic(ItemCellSize,
ItemsPerRow, Items, MainForm.SaveFile.SaveType, EditorPictureBox.Size), (Furniture[])Items, ItemsPerRow);
img?.Dispose();
OnItemChanged(selectedItem, Items[previousItemChange.Index], previousItemChange.Index);
}
private bool CanExecuteUndoCommand(object parameter)
{
return(UndoStack.Any());
}
