|
/**
* @version 1.2 1999-10-13
* @author Cay Horstmann
*/
import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.MessageFormat;
import java.text.NumberFormat;
import java.text.ParseException;
import java.util.Locale;
import java.util.ResourceBundle;
import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
public class Retire extends JApplet {
public void init() {
GridBagLayout gbl = new GridBagLayout();
getContentPane().setLayout(gbl);
GridBagConstraints gbc = new GridBagConstraints();
gbc.weightx = 100;
gbc.weighty = 0;
gbc.fill = GridBagConstraints.NONE;
gbc.anchor = GridBagConstraints.EAST;
add(languageLabel, gbc, 0, 0, 1, 1);
add(savingsLabel, gbc, 0, 1, 1, 1);
add(contribLabel, gbc, 2, 1, 1, 1);
add(incomeLabel, gbc, 4, 1, 1, 1);
add(currentAgeLabel, gbc, 0, 2, 1, 1);
add(retireAgeLabel, gbc, 2, 2, 1, 1);
add(deathAgeLabel, gbc, 4, 2, 1, 1);
add(inflationPercentLabel, gbc, 0, 3, 1, 1);
add(investPercentLabel, gbc, 2, 3, 1, 1);
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.anchor = GridBagConstraints.WEST;
add(localeCombo, gbc, 1, 0, 2, 1);
add(savingsField, gbc, 1, 1, 1, 1);
add(contribField, gbc, 3, 1, 1, 1);
add(incomeField, gbc, 5, 1, 1, 1);
add(currentAgeField, gbc, 1, 2, 1, 1);
add(retireAgeField, gbc, 3, 2, 1, 1);
add(deathAgeField, gbc, 5, 2, 1, 1);
add(inflationPercentField, gbc, 1, 3, 1, 1);
add(investPercentField, gbc, 3, 3, 1, 1);
computeButton.setName("computeButton");
computeButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
getInfo();
updateData();
updateGraph();
}
});
add(computeButton, gbc, 5, 3, 1, 1);
gbc.weighty = 100;
gbc.fill = GridBagConstraints.BOTH;
add(retireCanvas, gbc, 0, 4, 4, 1);
add(new JScrollPane(retireText), gbc, 4, 4, 2, 1);
retireText.setEditable(false);
retireText.setFont(new Font("Monospaced", Font.PLAIN, 10));
info.setSavings(0);
info.setContrib(9000);
info.setIncome(60000);
info.setCurrentAge(35);
info.setRetireAge(65);
info.setDeathAge(85);
info.setInvestPercent(0.1);
info.setInflationPercent(0.05);
localeCombo.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent event) {
setCurrentLocale(localeCombo.getSelectedIndex());
}
});
locales = new Locale[] { Locale.US, Locale.CHINA, Locale.GERMANY };
int localeIndex = 0; // US locale is default selection
for (int i = 0; i < locales.length; i++)
// if current locale one of the choices, we'll select it
if (getLocale().equals(locales[i]))
localeIndex = i;
setCurrentLocale(localeIndex);
}
public void add(Component c, GridBagConstraints gbc, int x, int y, int w,
int h) {
gbc.gridx = x;
gbc.gridy = y;
gbc.gridwidth = w;
gbc.gridheight = h;
getContentPane().add(c, gbc);
}
public void setCurrentLocale(int localeIndex) {
currentLocale = locales[localeIndex];
localeCombo.removeAllItems();
for (int i = 0; i < locales.length; i++) {
String language = locales[i].getDisplayLanguage(currentLocale);
localeCombo.addItem(language);
}
localeCombo.setSelectedIndex(localeIndex);
res = ResourceBundle.getBundle("RetireResources", currentLocale);
currencyFmt = NumberFormat.getCurrencyInstance(currentLocale);
numberFmt = NumberFormat.getNumberInstance(currentLocale);
percentFmt = NumberFormat.getPercentInstance(currentLocale);
updateDisplay();
updateInfo();
updateData();
updateGraph();
}
public void updateDisplay() {
languageLabel.setText(res.getString("language"));
savingsLabel.setText(res.getString("savings"));
contribLabel.setText(res.getString("contrib"));
incomeLabel.setText(res.getString("income"));
currentAgeLabel.setText(res.getString("currentAge"));
retireAgeLabel.setText(res.getString("retireAge"));
deathAgeLabel.setText(res.getString("deathAge"));
inflationPercentLabel.setText(res.getString("inflationPercent"));
investPercentLabel.setText(res.getString("investPercent"));
computeButton.setText(res.getString("computeButton"));
validate();
}
public void updateInfo() {
savingsField.setText(currencyFmt.format(info.getSavings()));
contribField.setText(currencyFmt.format(info.getContrib()));
incomeField.setText(currencyFmt.format(info.getIncome()));
currentAgeField.setText(numberFmt.format(info.getCurrentAge()));
retireAgeField.setText(numberFmt.format(info.getRetireAge()));
deathAgeField.setText(numberFmt.format(info.getDeathAge()));
investPercentField.setText(percentFmt.format(info.getInvestPercent()));
inflationPercentField.setText(percentFmt.format(info
.getInflationPercent()));
}
public void updateData() {
retireText.setText("");
MessageFormat retireMsg = new MessageFormat("");
retireMsg.setLocale(currentLocale);
retireMsg.applyPattern(res.getString("retire"));
for (int i = info.getCurrentAge(); i <= info.getDeathAge(); i++) {
Object[] args = { new Integer(i), new Double(info.getBalance(i)) };
retireText.append(retireMsg.format(args) + "\n");
}
}
public void updateGraph() {
retireCanvas.setColorPre((Color) res.getObject("colorPre"));
retireCanvas.setColorGain((Color) res.getObject("colorGain"));
retireCanvas.setColorLoss((Color) res.getObject("colorLoss"));
retireCanvas.setInfo(info);
repaint();
}
public void getInfo() {
try {
info.setSavings(currencyFmt.parse(savingsField.getText())
.doubleValue());
info.setContrib(currencyFmt.parse(contribField.getText())
.doubleValue());
info.setIncome(currencyFmt.parse(incomeField.getText())
.doubleValue());
info.setCurrentAge(numberFmt.parse(currentAgeField.getText())
.intValue());
info.setRetireAge(numberFmt.parse(retireAgeField.getText())
.intValue());
info.setDeathAge(numberFmt.parse(deathAgeField.getText())
.intValue());
info.setInvestPercent(percentFmt
.parse(investPercentField.getText()).doubleValue());
info.setInflationPercent(percentFmt.parse(
inflationPercentField.getText()).doubleValue());
} catch (ParseException exception) {
}
}
private JTextField savingsField = new JTextField(10);
private JTextField contribField = new JTextField(10);
private JTextField incomeField = new JTextField(10);
private JTextField currentAgeField = new JTextField(4);
private JTextField retireAgeField = new JTextField(4);
private JTextField deathAgeField = new JTextField(4);
private JTextField inflationPercentField = new JTextField(6);
private JTextField investPercentField = new JTextField(6);
private JTextArea retireText = new JTextArea(10, 25);
private RetireCanvas retireCanvas = new RetireCanvas();
private JButton computeButton = new JButton();
private JLabel languageLabel = new JLabel();
private JLabel savingsLabel = new JLabel();
private JLabel contribLabel = new JLabel();
private JLabel incomeLabel = new JLabel();
private JLabel currentAgeLabel = new JLabel();
private JLabel retireAgeLabel = new JLabel();
private JLabel deathAgeLabel = new JLabel();
private JLabel inflationPercentLabel = new JLabel();
private JLabel investPercentLabel = new JLabel();
private RetireInfo info = new RetireInfo();
private Locale[] locales;
private Locale currentLocale;
private JComboBox localeCombo = new JComboBox();
private ResourceBundle res;
private NumberFormat currencyFmt;
private NumberFormat numberFmt;
private NumberFormat percentFmt;
}
class RetireInfo {
public double getBalance(int year) {
if (year < currentAge)
return 0;
else if (year == currentAge) {
age = year;
balance = savings;
return balance;
} else if (year == age)
return balance;
if (year != age + 1)
getBalance(year - 1);
age = year;
if (age < retireAge)
balance += contrib;
else
balance -= income;
balance = balance * (1 + (investPercent - inflationPercent));
return balance;
}
public double getSavings() {
return savings;
}
public double getContrib() {
return contrib;
}
public double getIncome() {
return income;
}
public int getCurrentAge() {
return currentAge;
}
public int getRetireAge() {
return retireAge;
}
public int getDeathAge() {
return deathAge;
}
public double getInflationPercent() {
return inflationPercent;
}
public double getInvestPercent() {
return investPercent;
}
public void setSavings(double x) {
savings = x;
}
public void setContrib(double x) {
contrib = x;
}
public void setIncome(double x) {
income = x;
}
public void setCurrentAge(int x) {
currentAge = x;
}
public void setRetireAge(int x) {
retireAge = x;
}
public void setDeathAge(int x) {
deathAge = x;
}
public void setInflationPercent(double x) {
inflationPercent = x;
}
public void setInvestPercent(double x) {
investPercent = x;
}
private double savings;
private double contrib;
private double income;
private int currentAge;
private int retireAge;
private int deathAge;
private double inflationPercent;
private double investPercent;
private int age;
private double balance;
}
class RetireCanvas extends JPanel {
public RetireCanvas() {
setSize(400, 200);
}
public void setInfo(RetireInfo newInfo) {
info = newInfo;
}
public void paint(Graphics g) {
if (info == null)
return;
double minValue = 0;
double maxValue = 0;
int i;
for (i = info.getCurrentAge(); i <= info.getDeathAge(); i++) {
double v = info.getBalance(i);
if (minValue > v)
minValue = v;
if (maxValue < v)
maxValue = v;
}
if (maxValue == minValue)
return;
int barWidth = getWidth()
/ (info.getDeathAge() - info.getCurrentAge() + 1);
double scale = getHeight() / (maxValue - minValue);
for (i = info.getCurrentAge(); i <= info.getDeathAge(); i++) {
int x1 = (i - info.getCurrentAge()) * barWidth + 1;
int y1;
double v = info.getBalance(i);
int height;
int yOrigin = (int) (maxValue * scale);
if (v >= 0) {
y1 = (int) ((maxValue - v) * scale);
height = yOrigin - y1;
} else {
y1 = yOrigin;
height = (int) (-v * scale);
}
if (i < info.getRetireAge())
g.setColor(colorPre);
else if (v >= 0)
g.setColor(colorGain);
else
g.setColor(colorLoss);
g.fillRect(x1, y1, barWidth - 2, height);
g.setColor(Color.black);
g.drawRect(x1, y1, barWidth - 2, height);
}
}
public void setColorPre(Color color) {
colorPre = color;
}
public void setColorGain(Color color) {
colorGain = color;
}
public void setColorLoss(Color color) {
colorLoss = color;
}
private RetireInfo info = null;
private Color colorPre;
private Color colorGain;
private Color colorLoss;
}
class RetireResources extends java.util.ListResourceBundle {
public Object[][] getContents() {
return contents;
}
static final Object[][] contents = { // BEGIN LOCALIZE
{ "language", "Language" }, { "computeButton", "Compute" },
{ "savings", "Prior Savings" },
{ "contrib", "Annual Contribution" },
{ "income", "Retirement Income" }, { "currentAge", "Current Age" },
{ "retireAge", "Retirement Age" },
{ "deathAge", "Life Expectancy" },
{ "inflationPercent", "Inflation" },
{ "investPercent", "Investment Return" },
{ "retire", "Age: {0,number} Balance: {1,number,currency}" },
{ "colorPre", Color.blue }, { "colorGain", Color.white },
{ "colorLoss", Color.red }
// END LOCALIZE
};
}
///////////////////////////////////////////////////
///////////////////////////////////////////////////
class RetireResources_de
extends java.util.ListResourceBundle
{ public Object[][] getContents() { return contents; }
static final Object[][] contents =
{ // BEGIN LOCALIZE
{ "language", "Sprache" },
{ "computeButton", "Rechnen" },
{ "savings", "Vorherige Ersparnisse" },
{ "contrib", "Jrliche Einzahlung" },
{ "income", "Einkommen nach Ruhestand" },
{ "currentAge", "Jetziges Alter" },
{ "retireAge", "Ruhestandsalter" },
{ "deathAge", "Lebenserwartung" },
{ "inflationPercent", "Inflation" },
{ "investPercent", "Investitionsgewinn" },
{ "retire", "Alter: {0,number} Guthaben: {1,number,currency}" },
{ "colorPre", Color.yellow },
{ "colorGain", Color.black },
{ "colorLoss", Color.red }
// END LOCALIZE
};
}
///////////////////////////////////////////////////
///////////////////////////////////////////////////
/**
* @version 1.2 1999-10-13
* @author Cay Horstmann
*/
/*
import java.util.*;
import java.awt.*;
public class RetireResources_zh
extends java.util.ListResourceBundle
{ public Object[][] getContents() { return contents; }
static final Object[][] contents =
{ // BEGIN LOCALIZE
{ "language", "\u8bed\u8a00" },
{ "computeButton", "\u8ba1\u7b97" },
{ "savings", "\u65e2\u5b58" },
{ "contrib", "\u6bcf\u5e74\u5b58\u91d1" },
{ "income", "\u9000\u4f11\u6536\u5165" },
{ "currentAge", "\u73b0\u5cad" },
{ "retireAge", "\u9000\u4f11\u5e74\u9f84" },
{ "deathAge", "\u9884\u671f\u5bff\u547d" },
{ "inflationPercent", "\u901a\u8d27\u81a8\u6da8" },
{ "investPercent", "\u6295\u8d44\u62a5\u916c" },
{ "retire",
"\u5e74\u9f84: {0,number} \u603b\u7ed3: {1,number,currency}" },
{ "colorPre", Color.red },
{ "colorGain", Color.blue },
{ "colorLoss", Color.yellow }
// END LOCALIZE
};
}
*/
|
