gvsu/cs623/proj1/RetirementCalculator.java
josh 822355183a ready to handle button presses
git-svn-id: svn://anubis/gvsu@440 45c1a28c-8058-47b2-ae61-ca45b979098e
2009-10-05 00:20:52 +00:00

242 lines
7.5 KiB
Java

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
/*
* The main work of the application is done in this JPanel-extending class.
* This allows the java class to be run as a stand-alone application or
* as an applet within a web browser.
*/
class RetirementCalculatorPanel extends JPanel implements ActionListener
{
private RetirementCalculatorModel myModel;
private JComponent makeDivider() { return new JLabel(" "); }
private HashMap<String, JComponent> myFields;
private JButton myCalculateButton;
private JButton myPrintButton;
private JButton myResetButton;
public RetirementCalculatorPanel()
{
super(new BorderLayout());
myFields = new HashMap<String, JComponent>();
JPanel inner = new JPanel(new GridBagLayout());
class ComboChoice
{
private String myDesc;
private int myVal;
ComboChoice(int val, String desc)
{
myDesc = desc;
myVal = val;
}
public String toString() { return myDesc; }
public int getVal() { return myVal; }
}
JComponent field;
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.HORIZONTAL;
c.ipadx = 2;
c.gridwidth = 1;
c.gridheight = 1;
c.gridx = 0;
c.gridy = 0;
c.weightx = 0.0;
inner.add(new JLabel("What is your name?", SwingConstants.RIGHT), c);
c.gridx++;
c.weightx = 1.0;
field = new JTextField();
inner.add(field, c);
c.gridx--;
c.gridy++;
c.weightx = 0.0;
inner.add(new JLabel("How much annual income will you want in retirement?", SwingConstants.RIGHT), c);
c.gridx++;
c.weightx = 1.0;
field = new JTextField();
myFields.put("income wanted", field);
inner.add(field, c);
c.gridx--;
c.gridy++;
c.weightx = 0.0;
inner.add(new JLabel("What is your current annual income?", SwingConstants.RIGHT), c);
c.gridx++;
c.weightx = 1.0;
field = new JTextField();
myFields.put("current income", field);
inner.add(field, c);
c.gridx--;
c.gridy++;
c.gridwidth = 2;
inner.add(makeDivider(), c);
c.gridy++;
inner.add(new JLabel("What is your expected annual income after retirement -"), c);
c.gridwidth = 1;
c.gridy++;
c.weightx = 0.0;
inner.add(new JLabel(" - from an employer pension plan?", SwingConstants.RIGHT), c);
c.gridx++;
c.weightx = 1.0;
field = new JTextField();
myFields.put("employer pension", field);
inner.add(field, c);
c.gridx--;
c.gridy++;
c.weightx = 0.0;
inner.add(new JLabel(" - from a part-time job?", SwingConstants.RIGHT), c);
c.gridx++;
c.weightx = 1.0;
field = new JTextField();
myFields.put("part time income", field);
inner.add(field, c);
c.gridx--;
c.gridy++;
c.weightx = 0.0;
inner.add(new JLabel(" - other?", SwingConstants.RIGHT), c);
c.gridx++;
c.weightx = 1.0;
field = new JTextField();
myFields.put("other income", field);
inner.add(field, c);
c.gridx--;
c.gridy++;
c.gridwidth = 2;
inner.add(makeDivider(), c);
c.gridwidth = 1;
c.gridy++;
c.weightx = 0.0;
inner.add(new JLabel("How much savings do you have to date?", SwingConstants.RIGHT), c);
c.gridx++;
c.weightx = 1.0;
field = new JTextField();
myFields.put("savings", field);
inner.add(field, c);
c.gridx--;
c.gridy++;
c.weightx = 0.0;
inner.add(new JLabel("At what age do you expect to retire?", SwingConstants.RIGHT), c);
c.gridx++;
c.weightx = 1.0;
ComboChoice[] retirement_age_choices = {
new ComboChoice(55, "55"),
new ComboChoice(60, "60"),
new ComboChoice(65, "65"),
new ComboChoice(70, "70")
};
field = new JComboBox(retirement_age_choices);
myFields.put("retirement age", field);
inner.add(field, c);
c.gridx--;
c.gridy++;
JPanel p = new JPanel(new BorderLayout());
p.setAlignmentX(Component.RIGHT_ALIGNMENT);
p.add(new JLabel("What is your life expectancy?", SwingConstants.RIGHT), BorderLayout.CENTER);
ComboChoice[] life_expectancy_choices = {
new ComboChoice(82, "82 (Male; 50th percentile)"),
new ComboChoice(86, "86 (Female; 50th percentile)"),
new ComboChoice(89, "89 (Male; 75th percentile)"),
new ComboChoice(92, "92 (Female; 75th percentile)"),
new ComboChoice(94, "94 (Male; 90th percentile)"),
new ComboChoice(97, "97 (Female; 90th percentile)")
};
field = new JComboBox(life_expectancy_choices);
myFields.put("life expectancy", field);
p.add(field, BorderLayout.EAST);
c.gridwidth = 2;
inner.add(p, c);
c.gridwidth = 1;
c.gridy++;
c.gridwidth = 2;
inner.add(makeDivider(), c);
c.gridwidth = 1;
c.gridy++;
JPanel buttons = new JPanel();
buttons.setLayout(new BoxLayout(buttons, BoxLayout.X_AXIS));
buttons.add(Box.createHorizontalGlue());
myCalculateButton = new JButton("Calculate");
myCalculateButton.addActionListener(this);
buttons.add(myCalculateButton);
buttons.add(Box.createRigidArea(new Dimension(5, 0)));
myPrintButton = new JButton("Print");
myPrintButton.addActionListener(this);
buttons.add(myPrintButton);
buttons.add(Box.createRigidArea(new Dimension(5, 0)));
myResetButton = new JButton("Reset");
myResetButton.addActionListener(this);
buttons.add(myResetButton);
buttons.add(Box.createHorizontalGlue());
c.gridwidth = 2;
inner.add(buttons, c);
c.gridwidth = 1;
c.gridy++;
JScrollPane scrollpane = new JScrollPane(inner,
ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
add(scrollpane);
}
public void actionPerformed(ActionEvent e)
{
System.out.println("Event:");
System.out.println(e.getActionCommand());
System.out.println(e.paramString());
}
}
/*
* The "main" class of this file allows the app to be run as an applet
* but also provides a "main" method to run as an application.
*/
public class RetirementCalculator extends JApplet
{
final static private String PROG_NAME = "Josh's Retirement Calculator";
RetirementCalculatorPanel panel;
public void init()
{
setLayout(new BorderLayout());
panel = new RetirementCalculatorPanel();
add(panel, BorderLayout.CENTER);
}
public static void main(String[] args)
{
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run()
{
JFrame frame = new JFrame(PROG_NAME);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
RetirementCalculatorPanel panel =
new RetirementCalculatorPanel();
frame.getContentPane().add(panel);
frame.setPreferredSize(new Dimension(600, 450));
frame.pack();
frame.setVisible(true);
}
});
}
}