/** Undo the command */
@Override
public void undo() {
logger.log(Level.INFO, "Command UNDO DELETE");
taskList = storage.getTaskList();
ArrayList<Task> displayList = MainLogic.getDisplayList();
for (int i = 0; i < userInput.getTasksToDelete().size(); i++) {
Task task = userInput.getTasksToDelete().get(i);
if (task.isRecurring() && userInput.getIsAll()) {
Task t = task.getHead();
for (int j = 0; j < userInput.getRecurList().size(); j++) {
taskList.add(userInput.getRecurList().get(j));
if (!displayList.equals(taskList)) {
displayList.add(userInput.getRecurList().get(j));
}
}
t.setRecurList(userInput.getRecurList());
} else if (task.isRecurring()) {
taskList.add(task);
if (!displayList.equals(taskList)) {
displayList.add(task);
}
Task t = task.getHead();
t.getRecurList().add(task);
} else {
taskList.add(task);
if (!displayList.equals(taskList)) {
displayList.add(task);
}
}
}
storage.saveFile();
feedback.setMessage(MSG_SUCCESS_UNDO);
}
