Constant2Lights.java

/*******************************************************************************
 * Copyright (c) 2003-2005, 2013 Till Zoppke.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Till Zoppke - initial API and implementation
 ******************************************************************************/
/*
 * Created on 29.05.2004
 */
package eniac.data.model.parent;

import java.util.Observable;
import java.util.Observer;

import eniac.data.model.EData;
import eniac.data.model.sw.Switch;
import eniac.data.model.unit.ConstantTransmitter2;
import eniac.data.type.EType;

/**
 * @author zoppke
 */
public class Constant2Lights extends ParentData implements Observer {

	public void init() {
		super.init();

		// assert, that constant transmitter already initialized
		ConstantTransmitter2 unit = getTransmitter();
		assertInit(unit);

		// observe sign switchs
		unit.getGarten().getKind(EType.CONSTANT_SIGN_TOGGLE_JL, 0).addObserver(this);
		unit.getGarten().getKind(EType.CONSTANT_SIGN_TOGGLE_JR, 0).addObserver(this);
		unit.getGarten().getKind(EType.CONSTANT_SIGN_TOGGLE_KL, 0).addObserver(this);
		unit.getGarten().getKind(EType.CONSTANT_SIGN_TOGGLE_KR, 0).addObserver(this);

		// observe constant switchs
		EData[] switchs = unit.getGarten().getKinder(EType.CONSTANT_SWITCH);
		for (int i = 0; i < switchs.length; ++i) {
			switchs[i].addObserver(this);
		}
		EData heaters = unit.getGarten().getKind(EType.HEATERS, 0);
		heaters.addObserver(this);
	}

	public boolean hasPower() {
		return getTransmitter().hasPower();
	}

	private ConstantTransmitter2 getTransmitter() {
		return (ConstantTransmitter2) getConfiguration().getGarten().getKind(EType.CONSTANT_TRANSMITTER_2_UNIT, 0);
	}

	/**
	 * @param o
	 * @param arg
	 * @see java.util.Observer#update(java.util.Observable, java.lang.Object)
	 */
	public void update(Observable o, Object arg) {
		EData d = (EData) o;
		EType t = d.getType();
		if (t == EType.CONSTANT_SIGN_TOGGLE_JL) {
			Switch sign = (Switch) getGarten().getKind(EType.CONSTANT_BLINKEN_SIGN, 0);
			sign.setValue(((Switch) d).getValue());
		}
		else if (t == EType.CONSTANT_SIGN_TOGGLE_JR) {
			Switch sign = (Switch) getGarten().getKind(EType.CONSTANT_BLINKEN_SIGN, 1);
			sign.setValue(((Switch) d).getValue());
		}
		else if (t == EType.CONSTANT_SIGN_TOGGLE_KL) {
			Switch sign = (Switch) getGarten().getKind(EType.CONSTANT_BLINKEN_SIGN, 2);
			sign.setValue(((Switch) d).getValue());
		}
		else if (t == EType.CONSTANT_SIGN_TOGGLE_KR) {
			Switch sign = (Switch) getGarten().getKind(EType.CONSTANT_BLINKEN_SIGN, 3);
			sign.setValue(((Switch) d).getValue());
		}
		else if (t == EType.CONSTANT_SWITCH) {
			Switch sw = (Switch) getGarten().getKind(EType.CONSTANT_BLINKEN_CIPHER, d.getIndex());
			sw.setValue(((Switch) d).getValue());
		}
		else if (t == EType.HEATERS) {
			setChanged();
			notifyObservers(EData.REPAINT);
		}
		setChanged();
		notifyObservers(ConstantTransmittionLights.PAINT_LIGHTS);
	}
}