jpa/tests/org.eclipse.jpt.utility.tests/src/org/eclipse/jpt/utility/tests/internal/model/value/swing/SpinnerModelAdapterUITest.java - dali/webtools.dali - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007, 2008 Oracle. All rights reserved.
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v1.0, which accompanies this distribution
  * and is available at http://www.eclipse.org/legal/epl-v10.html.
  *
  * Contributors:
  *     Oracle - initial API and implementation
  ******************************************************************************/
 package org.eclipse.jpt.utility.tests.internal.model.value.swing;

 import java.awt.BorderLayout;
 import java.awt.Component;
 import java.awt.GridLayout;
 import java.awt.event.ActionEvent;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 import java.awt.event.WindowListener;
 import java.util.Calendar;
 import java.util.Date;

 import javax.swing.AbstractAction;
 import javax.swing.Action;
 import javax.swing.JButton;
 import javax.swing.JFrame;
 import javax.swing.JPanel;
 import javax.swing.JSpinner;
 import javax.swing.SpinnerModel;
 import javax.swing.WindowConstants;

 import org.eclipse.jpt.utility.internal.CollectionTools;
 import org.eclipse.jpt.utility.internal.model.AbstractModel;
 import org.eclipse.jpt.utility.internal.model.value.PropertyAspectAdapter;
 import org.eclipse.jpt.utility.internal.model.value.WritablePropertyValueModel;
 import org.eclipse.jpt.utility.internal.model.value.SimplePropertyValueModel;
 import org.eclipse.jpt.utility.internal.model.value.PropertyValueModel;
 import org.eclipse.jpt.utility.internal.model.value.swing.DateSpinnerModelAdapter;
 import org.eclipse.jpt.utility.internal.model.value.swing.ListSpinnerModelAdapter;
 import org.eclipse.jpt.utility.internal.model.value.swing.NumberSpinnerModelAdapter;

 /**
  * Play around with a set of spinners.
  */
 public class SpinnerModelAdapterUITest {

 	private TestModel testModel;
 	private WritablePropertyValueModel<TestModel> testModelHolder;

 	private WritablePropertyValueModel<Object> birthDateHolder;
 	private SpinnerModel birthDateSpinnerModel;

 	private WritablePropertyValueModel<Number> ageHolder;
 	private SpinnerModel ageSpinnerModel;

 	private WritablePropertyValueModel<Object> eyeColorHolder;
 	private SpinnerModel eyeColorSpinnerModel;


 	public static void main(String[] args) throws Exception {
 		new SpinnerModelAdapterUITest().exec(args);
 	}

 	private SpinnerModelAdapterUITest() {
 		super();
 	}

 	private void exec(String[] args) throws Exception {
 		this.testModel = new TestModel();
 		this.testModelHolder = new SimplePropertyValueModel<TestModel>(this.testModel);

 		this.birthDateHolder = this.buildBirthDateHolder(this.testModelHolder);
 		this.birthDateSpinnerModel = this.buildBirthDateSpinnerModel(this.birthDateHolder);

 		this.ageHolder = this.buildAgeHolder(this.testModelHolder);
 		this.ageSpinnerModel = this.buildAgeSpinnerModel(this.ageHolder);

 		this.eyeColorHolder = this.buildEyeColorHolder(this.testModelHolder);
 		this.eyeColorSpinnerModel = this.buildEyeColorSpinnerModel(this.eyeColorHolder);

 		this.openWindow();
 	}

 	private WritablePropertyValueModel<Object> buildBirthDateHolder(PropertyValueModel<TestModel> vm) {
 		return new PropertyAspectAdapter<TestModel, Object>(vm, TestModel.BIRTH_DATE_PROPERTY) {
 			@Override
 			protected Object buildValue_() {
 				return this.subject.getBirthDate();
 			}
 			@Override
 			protected void setValue_(Object value) {
 				this.subject.setBirthDate((Date) value);
 			}
 		};
 	}

 	private SpinnerModel buildBirthDateSpinnerModel(WritablePropertyValueModel<Object> valueHolder) {
 		return new DateSpinnerModelAdapter(valueHolder);
 	}

 	private WritablePropertyValueModel<Number> buildAgeHolder(PropertyValueModel<TestModel> vm) {
 		return new PropertyAspectAdapter<TestModel, Number>(vm, TestModel.AGE_PROPERTY) {
 			@Override
 			protected Number buildValue_() {
 				return new Integer(this.subject.getAge());
 			}
 			@Override
 			protected void setValue_(Number value) {
 				this.subject.setAge(value.intValue());
 			}
 		};
 	}

 	private SpinnerModel buildAgeSpinnerModel(WritablePropertyValueModel<Number> valueHolder) {
 		return new NumberSpinnerModelAdapter(valueHolder, valueHolder.value().intValue(), TestModel.MIN_AGE, TestModel.MAX_AGE, 1);
 	}

 	private WritablePropertyValueModel<Object> buildEyeColorHolder(PropertyValueModel<TestModel> vm) {
 		return new PropertyAspectAdapter<TestModel, Object>(vm, TestModel.EYE_COLOR_PROPERTY) {
 			@Override
 			protected Object buildValue_() {
 				return this.subject.getEyeColor();
 			}
 			@Override
 			protected void setValue_(Object value) {
 				this.subject.setEyeColor((String) value);
 			}
 		};
 	}

 	private SpinnerModel buildEyeColorSpinnerModel(WritablePropertyValueModel<Object> valueHolder) {
 		return new ListSpinnerModelAdapter(valueHolder, TestModel.VALID_EYE_COLORS);
 	}

 	private void openWindow() {
 		JFrame window = new JFrame(this.getClass().getName());
 		window.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
 		window.addWindowListener(this.buildWindowListener());
 		window.getContentPane().add(this.buildMainPanel(), "Center");
 		window.setSize(600, 100);
 		window.setVisible(true);
 	}

 	private WindowListener buildWindowListener() {
 		return new WindowAdapter() {
 			@Override
 			public void windowClosing(WindowEvent e) {
 				e.getWindow().setVisible(false);
 				System.exit(0);
 			}
 		};
 	}

 	private Component buildMainPanel() {
 		JPanel mainPanel = new JPanel(new BorderLayout());
 		mainPanel.add(this.buildSpinnerPanel(), BorderLayout.NORTH);
 		mainPanel.add(this.buildControlPanel(), BorderLayout.SOUTH);
 		return mainPanel;
 	}

 	private Component buildSpinnerPanel() {
 		JPanel taskListPanel = new JPanel(new GridLayout(1, 0));
 		taskListPanel.add(this.buildBirthDateSpinner());
 		taskListPanel.add(this.buildAgeSpinner());
 		taskListPanel.add(this.buildEyeColorSpinner());
 		return taskListPanel;
 	}

 	private JSpinner buildBirthDateSpinner() {
 		return new JSpinner(this.birthDateSpinnerModel);
 	}

 	private JSpinner buildAgeSpinner() {
 		return new JSpinner(this.ageSpinnerModel);
 	}

 	private JSpinner buildEyeColorSpinner() {
 		return new JSpinner(this.eyeColorSpinnerModel);
 	}

 	private Component buildControlPanel() {
 		JPanel controlPanel = new JPanel(new GridLayout(1, 0));
 		controlPanel.add(this.buildResetModelButton());
 		controlPanel.add(this.buildClearModelButton());
 		controlPanel.add(this.buildRestoreModelButton());
 		controlPanel.add(this.buildPrintModelButton());
 		return controlPanel;
 	}

 	private JButton buildResetModelButton() {
 		return new JButton(this.buildResetModelAction());
 	}

 	private Action buildResetModelAction() {
 		Action action = new AbstractAction("reset model") {
 			public void actionPerformed(ActionEvent event) {
 				SpinnerModelAdapterUITest.this.resetModel();
 			}
 		};
 		action.setEnabled(true);
 		return action;
 	}

 	void resetModel() {
 		this.testModel.setBirthDate(TestModel.DEFAULT_BIRTH_DATE);
 		this.testModel.setEyeColor(TestModel.DEFAULT_EYE_COLOR);
 	}

 	private JButton buildClearModelButton() {
 		return new JButton(this.buildClearModelAction());
 	}

 	private Action buildClearModelAction() {
 		Action action = new AbstractAction("clear model") {
 			public void actionPerformed(ActionEvent event) {
 				SpinnerModelAdapterUITest.this.clearModel();
 			}
 		};
 		action.setEnabled(true);
 		return action;
 	}

 	void clearModel() {
 		this.testModelHolder.setValue(null);
 	}

 	private JButton buildRestoreModelButton() {
 		return new JButton(this.buildRestoreModelAction());
 	}

 	private Action buildRestoreModelAction() {
 		Action action = new AbstractAction("restore model") {
 			public void actionPerformed(ActionEvent event) {
 				SpinnerModelAdapterUITest.this.restoreModel();
 			}
 		};
 		action.setEnabled(true);
 		return action;
 	}

 	void restoreModel() {
 		this.testModelHolder.setValue(this.testModel);
 	}

 	private JButton buildPrintModelButton() {
 		return new JButton(this.buildPrintModelAction());
 	}

 	private Action buildPrintModelAction() {
 		Action action = new AbstractAction("print model") {
 			public void actionPerformed(ActionEvent event) {
 				SpinnerModelAdapterUITest.this.printModel();
 			}
 		};
 		action.setEnabled(true);
 		return action;
 	}

 	void printModel() {
 		System.out.println("birth date: " + this.testModel.getBirthDate());
 		System.out.println("age: " + this.testModel.getAge());
 		System.out.println("eyes: " + this.testModel.getEyeColor());
 	}


 	private static class TestModel extends AbstractModel {
 		private Calendar birthCal = Calendar.getInstance();
 			// "virtual" properties
 			public static final String BIRTH_DATE_PROPERTY = "birthDate";
 			public static final String AGE_PROPERTY = "age";
 			public static final Date DEFAULT_BIRTH_DATE = new Date();
 			public static final int DEFAULT_AGE = 0;
 			public static final int MIN_AGE = 0;
 			public static final int MAX_AGE = 150;
 		private String eyeColor;
 			public static final String EYE_COLOR_PROPERTY = "eyeColor";
 			public static final String[] VALID_EYE_COLORS = {"blue", "brown", "green", "hazel", "pink"};
 			public static final String DEFAULT_EYE_COLOR = VALID_EYE_COLORS[3];

 		public TestModel() {
 			this(DEFAULT_BIRTH_DATE, DEFAULT_EYE_COLOR);
 		}
 		public TestModel(Date birthDate, String eyeColor) {
 			this.setBirthDate(birthDate);
 			this.setEyeColor(eyeColor);
 		}
 		public Date getBirthDate() {
 			return (Date) this.birthCal.getTime().clone();
 		}
 		public void setBirthDate(Date birthDate) {
 			Date oldBirthDate = this.getBirthDate();
 			int oldAge = this.getAge();
 			this.birthCal.setTimeInMillis(birthDate.getTime());
 			int newAge = this.getAge();
 			if (newAge < MIN_AGE || newAge > MAX_AGE) {
 				throw new IllegalArgumentException(birthDate.toString());
 			}
 			this.firePropertyChanged(BIRTH_DATE_PROPERTY, oldBirthDate, this.getBirthDate());
 			this.firePropertyChanged(AGE_PROPERTY, oldAge, newAge);
 		}
 		public int getAge() {
 			Calendar currentCal = Calendar.getInstance();
 			int age = currentCal.get(Calendar.YEAR) - this.birthCal.get(Calendar.YEAR);
 			if (currentCal.get(Calendar.MONTH) < this.birthCal.get(Calendar.MONTH)) {
 				age--;
 			} else if (currentCal.get(Calendar.MONTH) == this.birthCal.get(Calendar.MONTH)) {
 				if (currentCal.get(Calendar.DAY_OF_MONTH) < this.birthCal.get(Calendar.DAY_OF_MONTH)) {
 					age--;
 				}
 			}
 			return age;
 		}
 		public void setAge(int newAge) {
 			if (newAge < MIN_AGE || newAge > MAX_AGE) {
 				throw new IllegalArgumentException(String.valueOf(newAge));
 			}

 			int oldAge = this.getAge();
 			int delta = newAge - oldAge;

 			Calendar newBirthCal = Calendar.getInstance();
 			newBirthCal.setTimeInMillis(this.birthCal.getTime().getTime());
 			// if the age increased, the birth date must be "decreased"; and vice versa
 			newBirthCal.set(Calendar.YEAR, newBirthCal.get(Calendar.YEAR) - delta);
 			this.setBirthDate(newBirthCal.getTime());
 		}
 		public String getEyeColor() {
 			return this.eyeColor;
 		}
 		public void setEyeColor(String eyeColor) {
 			if ( ! CollectionTools.contains(VALID_EYE_COLORS, eyeColor)) {
 				throw new IllegalArgumentException(eyeColor);
 			}
 			Object old = this.eyeColor;
 			this.eyeColor = eyeColor;
 			this.firePropertyChanged(EYE_COLOR_PROPERTY, old, eyeColor);
 		}
 		@Override
 		public String toString() {
 			return "TestModel(birth: " + this.getBirthDate() + " - eyes: " + this.eyeColor + ")";
 		}
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2007, 2008 Oracle. All rights reserved.
	* This program and the accompanying materials are made available under the
	* terms of the Eclipse Public License v1.0, which accompanies this distribution
	* and is available at http://www.eclipse.org/legal/epl-v10.html.
	*
	* Contributors:
	* Oracle - initial API and implementation
	******************************************************************************/
	package org.eclipse.jpt.utility.tests.internal.model.value.swing;

	import java.awt.BorderLayout;
	import java.awt.Component;
	import java.awt.GridLayout;
	import java.awt.event.ActionEvent;
	import java.awt.event.WindowAdapter;
	import java.awt.event.WindowEvent;
	import java.awt.event.WindowListener;
	import java.util.Calendar;
	import java.util.Date;

	import javax.swing.AbstractAction;
	import javax.swing.Action;
	import javax.swing.JButton;
	import javax.swing.JFrame;
	import javax.swing.JPanel;
	import javax.swing.JSpinner;
	import javax.swing.SpinnerModel;
	import javax.swing.WindowConstants;

	import org.eclipse.jpt.utility.internal.CollectionTools;
	import org.eclipse.jpt.utility.internal.model.AbstractModel;
	import org.eclipse.jpt.utility.internal.model.value.PropertyAspectAdapter;
	import org.eclipse.jpt.utility.internal.model.value.WritablePropertyValueModel;
	import org.eclipse.jpt.utility.internal.model.value.SimplePropertyValueModel;
	import org.eclipse.jpt.utility.internal.model.value.PropertyValueModel;
	import org.eclipse.jpt.utility.internal.model.value.swing.DateSpinnerModelAdapter;
	import org.eclipse.jpt.utility.internal.model.value.swing.ListSpinnerModelAdapter;
	import org.eclipse.jpt.utility.internal.model.value.swing.NumberSpinnerModelAdapter;

	/**
	* Play around with a set of spinners.
	*/
	public class SpinnerModelAdapterUITest {

	private TestModel testModel;
	private WritablePropertyValueModel<TestModel> testModelHolder;

	private WritablePropertyValueModel<Object> birthDateHolder;
	private SpinnerModel birthDateSpinnerModel;

	private WritablePropertyValueModel<Number> ageHolder;
	private SpinnerModel ageSpinnerModel;

	private WritablePropertyValueModel<Object> eyeColorHolder;
	private SpinnerModel eyeColorSpinnerModel;


	public static void main(String[] args) throws Exception {
	new SpinnerModelAdapterUITest().exec(args);
	}

	private SpinnerModelAdapterUITest() {
	super();
	}

	private void exec(String[] args) throws Exception {
	this.testModel = new TestModel();
	this.testModelHolder = new SimplePropertyValueModel<TestModel>(this.testModel);

	this.birthDateHolder = this.buildBirthDateHolder(this.testModelHolder);
	this.birthDateSpinnerModel = this.buildBirthDateSpinnerModel(this.birthDateHolder);

	this.ageHolder = this.buildAgeHolder(this.testModelHolder);
	this.ageSpinnerModel = this.buildAgeSpinnerModel(this.ageHolder);

	this.eyeColorHolder = this.buildEyeColorHolder(this.testModelHolder);
	this.eyeColorSpinnerModel = this.buildEyeColorSpinnerModel(this.eyeColorHolder);

	this.openWindow();
	}

	private WritablePropertyValueModel<Object> buildBirthDateHolder(PropertyValueModel<TestModel> vm) {
	return new PropertyAspectAdapter<TestModel, Object>(vm, TestModel.BIRTH_DATE_PROPERTY) {
	@Override
	protected Object buildValue_() {
	return this.subject.getBirthDate();
	}
	@Override
	protected void setValue_(Object value) {
	this.subject.setBirthDate((Date) value);
	}
	};
	}

	private SpinnerModel buildBirthDateSpinnerModel(WritablePropertyValueModel<Object> valueHolder) {
	return new DateSpinnerModelAdapter(valueHolder);
	}

	private WritablePropertyValueModel<Number> buildAgeHolder(PropertyValueModel<TestModel> vm) {
	return new PropertyAspectAdapter<TestModel, Number>(vm, TestModel.AGE_PROPERTY) {
	@Override
	protected Number buildValue_() {
	return new Integer(this.subject.getAge());
	}
	@Override
	protected void setValue_(Number value) {
	this.subject.setAge(value.intValue());
	}
	};
	}

	private SpinnerModel buildAgeSpinnerModel(WritablePropertyValueModel<Number> valueHolder) {
	return new NumberSpinnerModelAdapter(valueHolder, valueHolder.value().intValue(), TestModel.MIN_AGE, TestModel.MAX_AGE, 1);
	}

	private WritablePropertyValueModel<Object> buildEyeColorHolder(PropertyValueModel<TestModel> vm) {
	return new PropertyAspectAdapter<TestModel, Object>(vm, TestModel.EYE_COLOR_PROPERTY) {
	@Override
	protected Object buildValue_() {
	return this.subject.getEyeColor();
	}
	@Override
	protected void setValue_(Object value) {
	this.subject.setEyeColor((String) value);
	}
	};
	}

	private SpinnerModel buildEyeColorSpinnerModel(WritablePropertyValueModel<Object> valueHolder) {
	return new ListSpinnerModelAdapter(valueHolder, TestModel.VALID_EYE_COLORS);
	}

	private void openWindow() {
	JFrame window = new JFrame(this.getClass().getName());
	window.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
	window.addWindowListener(this.buildWindowListener());
	window.getContentPane().add(this.buildMainPanel(), "Center");
	window.setSize(600, 100);
	window.setVisible(true);
	}

	private WindowListener buildWindowListener() {
	return new WindowAdapter() {
	@Override
	public void windowClosing(WindowEvent e) {
	e.getWindow().setVisible(false);
	System.exit(0);
	}
	};
	}

	private Component buildMainPanel() {
	JPanel mainPanel = new JPanel(new BorderLayout());
	mainPanel.add(this.buildSpinnerPanel(), BorderLayout.NORTH);
	mainPanel.add(this.buildControlPanel(), BorderLayout.SOUTH);
	return mainPanel;
	}

	private Component buildSpinnerPanel() {
	JPanel taskListPanel = new JPanel(new GridLayout(1, 0));
	taskListPanel.add(this.buildBirthDateSpinner());
	taskListPanel.add(this.buildAgeSpinner());
	taskListPanel.add(this.buildEyeColorSpinner());
	return taskListPanel;
	}

	private JSpinner buildBirthDateSpinner() {
	return new JSpinner(this.birthDateSpinnerModel);
	}

	private JSpinner buildAgeSpinner() {
	return new JSpinner(this.ageSpinnerModel);
	}

	private JSpinner buildEyeColorSpinner() {
	return new JSpinner(this.eyeColorSpinnerModel);
	}

	private Component buildControlPanel() {
	JPanel controlPanel = new JPanel(new GridLayout(1, 0));
	controlPanel.add(this.buildResetModelButton());
	controlPanel.add(this.buildClearModelButton());
	controlPanel.add(this.buildRestoreModelButton());
	controlPanel.add(this.buildPrintModelButton());
	return controlPanel;
	}

	private JButton buildResetModelButton() {
	return new JButton(this.buildResetModelAction());
	}

	private Action buildResetModelAction() {
	Action action = new AbstractAction("reset model") {
	public void actionPerformed(ActionEvent event) {
	SpinnerModelAdapterUITest.this.resetModel();
	}
	};
	action.setEnabled(true);
	return action;
	}

	void resetModel() {
	this.testModel.setBirthDate(TestModel.DEFAULT_BIRTH_DATE);
	this.testModel.setEyeColor(TestModel.DEFAULT_EYE_COLOR);
	}

	private JButton buildClearModelButton() {
	return new JButton(this.buildClearModelAction());
	}

	private Action buildClearModelAction() {
	Action action = new AbstractAction("clear model") {
	public void actionPerformed(ActionEvent event) {
	SpinnerModelAdapterUITest.this.clearModel();
	}
	};
	action.setEnabled(true);
	return action;
	}

	void clearModel() {
	this.testModelHolder.setValue(null);
	}

	private JButton buildRestoreModelButton() {
	return new JButton(this.buildRestoreModelAction());
	}

	private Action buildRestoreModelAction() {
	Action action = new AbstractAction("restore model") {
	public void actionPerformed(ActionEvent event) {
	SpinnerModelAdapterUITest.this.restoreModel();
	}
	};
	action.setEnabled(true);
	return action;
	}

	void restoreModel() {
	this.testModelHolder.setValue(this.testModel);
	}

	private JButton buildPrintModelButton() {
	return new JButton(this.buildPrintModelAction());
	}

	private Action buildPrintModelAction() {
	Action action = new AbstractAction("print model") {
	public void actionPerformed(ActionEvent event) {
	SpinnerModelAdapterUITest.this.printModel();
	}
	};
	action.setEnabled(true);
	return action;
	}

	void printModel() {
	System.out.println("birth date: " + this.testModel.getBirthDate());
	System.out.println("age: " + this.testModel.getAge());
	System.out.println("eyes: " + this.testModel.getEyeColor());
	}


	private static class TestModel extends AbstractModel {
	private Calendar birthCal = Calendar.getInstance();
	// "virtual" properties
	public static final String BIRTH_DATE_PROPERTY = "birthDate";
	public static final String AGE_PROPERTY = "age";
	public static final Date DEFAULT_BIRTH_DATE = new Date();
	public static final int DEFAULT_AGE = 0;
	public static final int MIN_AGE = 0;
	public static final int MAX_AGE = 150;
	private String eyeColor;
	public static final String EYE_COLOR_PROPERTY = "eyeColor";
	public static final String[] VALID_EYE_COLORS = {"blue", "brown", "green", "hazel", "pink"};
	public static final String DEFAULT_EYE_COLOR = VALID_EYE_COLORS[3];

	public TestModel() {
	this(DEFAULT_BIRTH_DATE, DEFAULT_EYE_COLOR);
	}
	public TestModel(Date birthDate, String eyeColor) {
	this.setBirthDate(birthDate);
	this.setEyeColor(eyeColor);
	}
	public Date getBirthDate() {
	return (Date) this.birthCal.getTime().clone();
	}
	public void setBirthDate(Date birthDate) {
	Date oldBirthDate = this.getBirthDate();
	int oldAge = this.getAge();
	this.birthCal.setTimeInMillis(birthDate.getTime());
	int newAge = this.getAge();
	if (newAge < MIN_AGE \|\| newAge > MAX_AGE) {
	throw new IllegalArgumentException(birthDate.toString());
	}
	this.firePropertyChanged(BIRTH_DATE_PROPERTY, oldBirthDate, this.getBirthDate());
	this.firePropertyChanged(AGE_PROPERTY, oldAge, newAge);
	}
	public int getAge() {
	Calendar currentCal = Calendar.getInstance();
	int age = currentCal.get(Calendar.YEAR) - this.birthCal.get(Calendar.YEAR);
	if (currentCal.get(Calendar.MONTH) < this.birthCal.get(Calendar.MONTH)) {
	age--;
	} else if (currentCal.get(Calendar.MONTH) == this.birthCal.get(Calendar.MONTH)) {
	if (currentCal.get(Calendar.DAY_OF_MONTH) < this.birthCal.get(Calendar.DAY_OF_MONTH)) {
	age--;
	}
	}
	return age;
	}
	public void setAge(int newAge) {
	if (newAge < MIN_AGE \|\| newAge > MAX_AGE) {
	throw new IllegalArgumentException(String.valueOf(newAge));
	}

	int oldAge = this.getAge();
	int delta = newAge - oldAge;

	Calendar newBirthCal = Calendar.getInstance();
	newBirthCal.setTimeInMillis(this.birthCal.getTime().getTime());
	// if the age increased, the birth date must be "decreased"; and vice versa
	newBirthCal.set(Calendar.YEAR, newBirthCal.get(Calendar.YEAR) - delta);
	this.setBirthDate(newBirthCal.getTime());
	}
	public String getEyeColor() {
	return this.eyeColor;
	}
	public void setEyeColor(String eyeColor) {
	if ( ! CollectionTools.contains(VALID_EYE_COLORS, eyeColor)) {
	throw new IllegalArgumentException(eyeColor);
	}
	Object old = this.eyeColor;
	this.eyeColor = eyeColor;
	this.firePropertyChanged(EYE_COLOR_PROPERTY, old, eyeColor);
	}
	@Override
	public String toString() {
	return "TestModel(birth: " + this.getBirthDate() + " - eyes: " + this.eyeColor + ")";
	}
	}

	}