/**
* Copyright (c) 2012, Lindsay Bradford and other Contributors.
* All rights reserved.
*
* This program and the accompanying materials are made available
* under the terms of the BSD 3-Clause licence which accompanies
* this distribution, and is available at
* http://opensource.org/licenses/BSD-3-Clause
*/
package blacksmyth.personalfinancier.control.budget.command;
import javax.swing.undo.CannotRedoException;
import javax.swing.undo.CannotUndoException;
import blacksmyth.personalfinancier.model.budget.BudgetModel;
import blacksmyth.personalfinancier.model.budget.BudgetItem;
public class RemoveExpenseItemCommand extends AbstractBudgetCommand {
private BudgetModel model;
private int itemIndex;
private BudgetItem postCommandItem;
public static RemoveExpenseItemCommand doCmd(BudgetModel model, int itemIndex) {
return new RemoveExpenseItemCommand(model, itemIndex);
}
protected RemoveExpenseItemCommand(BudgetModel model, int itemIndex) {
this.model = model;
this.itemIndex = itemIndex;
this.postCommandItem = model.removeExpenseItem(itemIndex);
}
@Override
public void redo() throws CannotRedoException {
model.removeExpenseItem(this.itemIndex);
}
@Override
public void undo() throws CannotUndoException {
model.addExpenseItem(itemIndex, this.postCommandItem);
}
}