File: /Users/shatabdi/Education/GitHub/se450_project/src/model/commands/ShapeUndoCommand.java

1     package model.commands;
2     
3     import controller.interfaces.ICommand;
4     import model.others.CommandHandler;
5     
6     public class ShapeUndoCommand implements ICommand {
7     	CommandHandler commandHandler;
8     
9     	public ShapeUndoCommand(CommandHandler commandHandler) {
10     		this.commandHandler = commandHandler;
11     
12     	}
13     
14     	@Override
15     	public void run() {
16     		CommandHistory.undo();
17     		commandHandler.notifyObservers();
18     
19     	}
20     
21     }
22