/** * 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; public class ChangeExpenseAccountCommand extends AbstractBudgetCommand { private BudgetModel model; private int itemIndex; private String preCommandAccount; private String postCommandAccount; public static ChangeExpenseAccountCommand doCmd(BudgetModel model, int itemIndex, String postCommandAccount) { ChangeExpenseAccountCommand command = new ChangeExpenseAccountCommand( model, itemIndex, model.getExpenseItems().get(itemIndex).getBudgetAccount().getNickname(), postCommandAccount ); command.redo(); return command; } protected ChangeExpenseAccountCommand(BudgetModel model, int incomeItemIndex, String preCommandAccount, String postCommandAccount) { this.model = model; this.itemIndex = incomeItemIndex; this.preCommandAccount = preCommandAccount; this.postCommandAccount = postCommandAccount; } @Override public boolean isSignificant() { if (this.preCommandAccount.equals(this.postCommandAccount)) { return false; } return true; } @Override public void redo() throws CannotRedoException { model.setExpenseItemAccount( itemIndex, postCommandAccount ); } @Override public void undo() throws CannotUndoException { model.setExpenseItemAccount( itemIndex, preCommandAccount ); } }