/**
* Copyright (C) 2002-2012 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* FreeCol is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.common.model;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
import net.sf.freecol.common.model.Colony.ColonyChangeEvent;
/**
* Helper container to remember a colony state prior to some
* change, and fire off any consequent property changes.
*/
public class ColonyWas {
private static final Logger logger = Logger.getLogger(ColonyWas.class.getName());
private Colony colony;
private int population;
private int productionBonus;
private List<BuildableType> buildQueue;
public ColonyWas(Colony colony) {
this.colony = colony;
this.population = colony.getUnitCount();
this.productionBonus = colony.getProductionBonus();
this.buildQueue
= new ArrayList<BuildableType>(colony.getBuildQueue());
if (colony.getGoodsContainer() != null) {
colony.getGoodsContainer().saveState();
}
}
/**
* Fire any property changes resulting from actions within a
* colony.
*/
public void fireChanges() {
int newPopulation = colony.getUnitCount();
if (newPopulation != population) {
String pc = ColonyChangeEvent.POPULATION_CHANGE.toString();
colony.firePropertyChange(pc, population, newPopulation);
}
int newProductionBonus = colony.getProductionBonus();
if (newProductionBonus != productionBonus) {
String pc = ColonyChangeEvent.BONUS_CHANGE.toString();
colony.firePropertyChange(pc, productionBonus,
newProductionBonus);
}
List<BuildableType> newBuildQueue = colony.getBuildQueue();
if (!newBuildQueue.equals(buildQueue)) {
String pc = ColonyChangeEvent.BUILD_QUEUE_CHANGE.toString();
colony.firePropertyChange(pc, buildQueue, newBuildQueue);
}
if (colony.getGoodsContainer() != null) {
colony.getGoodsContainer().fireChanges();
}
}
}