Combinig 2 GUI's to compi
To: comp.lang.java.gui
Yes this is homework, having cleared that up what I want to do is compile,
and run these 2 programs simultaneously. Any help would be appreciated.
*/
import java.awt.*; /* Import statements */
import javax.swing.*;
import java.awt.event.*;
class Assignmentweek2
{
public static void main(String args[])
{
Interest i=new Interest();
i.init();
i.setVisible(true);
}
}
class Interest extends JFrame implements ActionListener
{
JPanel a,i,y,r,b,all; /*GUI */
JLabel am,it,yr,rt;
JTextField amt,itr,yrs,rate;
JButton cal,clr;
float amount,years,rate_in,interest;
public Interest()
{
setTitle("Find Payment"); /*GUI specs */
setSize(500,400);
setLocation(200,200);
setDefaultCloseOperation(EXIT_ON_CLOSE);
a=new JPanel();
i=new JPanel();
y=new JPanel();
r=new JPanel();
b=new JPanel();
all=new JPanel(new FlowLayout(FlowLayout.CENTER,1000,20));
am=new JLabel("Enter Amount");
it=new JLabel("Total Monthly Payment is");
yr=new JLabel("Enter Years");
rt=new JLabel("Enter Interest rate");
amt=new JTextField(10);
itr=new JTextField(10);
itr.setEditable(false);
yrs=new JTextField(10);
rate=new JTextField(10);
cal=new JButton("Calculate");
clr=new JButton("New Amount");
}
public void init()
{
setLayout(new BorderLayout());
a.add(am);
a.add(amt);
y.add(yr);
y.add(yrs);
r.add(rt);
r.add(rate);
i.add(it);
i.add(itr);
b.add(cal);
b.add(clr);
all.add(a);
all.add(y);
all.add(r);
all.add(i);
add(b,BorderLayout.SOUTH);
add(all,BorderLayout.CENTER);
cal.addActionListener(this);
clr.addActionListener(this);
}
public void actionPerformed(ActionEvent e)
{
try
{
if(cal==e.getSource())
{
amount=Float.parseFloat(amt.getText());
/*Program computations */
years=Float.parseFloat(yrs.getText());
rate_in=Float.parseFloat(rate.getText());
interest=amount/years*rate_in/100+amount/years/12;
itr.setText(Float.toString(interest));
}
else if(clr==e.getSource())
{
amt.setText("");
yrs.setText("");
rate.setText("");
itr.setText("");
}
}
catch(NumberFormatException n) /*Resets GUI
to 0's if wrong # format entry is attempted */
{
amt.setText("0");
yrs.setText("0");
rate.setText("0");
itr.setText("0");
}
}
}/* END*/
-------------------------------------Along with this program------------------
----------------------------------------------------------
*/
import java.awt.*;
import java.awt.event.*;
import java.text.*;
import javax.swing.*;
import javax.swing.table.*;
import java.io.*;
public class Week3 extends JFrame implements ActionListener
{
//Components
JPanel lpanel = new JPanel();
JPanel tpanel = new JPanel();
JPanel p1 = new JPanel();
JPanel pAmount = new JPanel();
JPanel pInterest = new JPanel();
JPanel pTermlngth = new JPanel();
JPanel pPymtresult = new JPanel();
JPanel pButton = new JPanel();
JLabel lAmount = new JLabel();
JLabel lTermlngth = new JLabel();
JLabel lRate = new JLabel();
JLabel lTitle = new JLabel();
JLabel lCombo = new JLabel();
JLabel lPymtresult = new JLabel();
JLabel lMain = new JLabel();
JLabel lMonthlypymt = new JLabel();
JLabel lBalance = new JLabel();
JLabel lInterest = new JLabel();
JButton bCalc = new JButton();
JButton bMonthlypymt = new JButton();
JButton bQuit = new JButton();
JTextField tAmount = new JTextField(8);
JTextField tTermlngth = new JTextField();
JTextField tRate = new JTextField();
JTextField tMonthlypymt = new JTextField(8);
JTextField tPymtresult = new JTextField(8);
JTextField tCombo = new JTextField();
JTextField tBalance = new JTextField();
JTextField tInterest = new JTextField();
String sErrorMessage = "";
boolean bError = false;
String sPymtnumber = "######";
String sPercent = "###.###%";
String sAreaheader = " Payment\tPrinciple\tInterest\tBalance\n";
NumberFormat nfCurrency = NumberFormat.getCurrencyInstance();
NumberFormat nfDecimals = new DecimalFormat(sPymtnumber);
NumberFormat nfPercent = new DecimalFormat(sPercent);
DecimalFormat decimalPlaces=new DecimalFormat("0.00");
JComboBox cbSetup = new JComboBox();
JTextArea taArea = new JTextArea(20,40);
JScrollPane spScrollpanel = new JScrollPane(taArea);
FlowLayout lFlow = new FlowLayout(FlowLayout.LEFT,5,5);
//Variables
double dIntpaid = 0;
double dAmountpaid = 0;
double dTotaldue = 0;
double dMonthlyapr = 0;
double dAmount = 0;
double dApr = 0;
double dAprconv = 0;
double dPymt = 0;
double dTotinterest = 0;
double dTotbalance = 0;
double dMonthlypymt = 0;
double dYearlyrate = 0;
double dTermlngthconv = 0;
double dTermlngth = 0;
int iCounter = 0;
int iTermlngth = 0;
int iTotmonths = 0;
//Initialize array
double[] xRate = {.0535,.0550,.0575};
int[] xTerm = {7,15,30};
public static void main(String[] args)
{
new Week3();
}
public Week3()
{
Container main = getContentPane();
for(iCounter = 0; iCounter <= 2; iCounter++)
{
cbSetup.addItem(xTerm[iCounter] + " years - " + nfPercent.format(xRate
[iCounter]));
}
//Set editables
tMonthlypymt.setEditable(false);
tMonthlypymt.setBackground(Color.white);
tBalance.setEditable(false);
tBalance.setBackground(Color.white);
tInterest.setEditable(false);
tInterest.setBackground(Color.white);
tRate.setEditable(false);
tRate.setBackground(Color.white);
tTermlngth.setEditable(false);
tTermlngth.setBackground(Color.white);
taArea.setEditable(false);
taArea.setBackground(Color.white);
tAmount.setEditable(true);
tAmount.setBackground(Color.white);
//Read text panel
lpanel.setLayout(new GridLayout(8,1));
lpanel.setMinimumSize(new java.awt.Dimension(130,150));
lpanel.setPreferredSize(new java.awt.Dimension(130,150));
lpanel.setMaximumSize(new java.awt.Dimension(Short.MAX_VALUE,Short.MAX_VALUE))
;
lpanel.add(lCombo);
lpanel.add(lAmount);
lpanel.add(lRate);
lpanel.add(lTermlngth);
lpanel.add(lMonthlypymt);
lpanel.add(lBalance);
lpanel.add(lInterest);
lCombo.setText("Payback Option");
lAmount.setText("Amount=150000 etc.");
lRate.setText("APR");
lTermlngth.setText("Length of Loan");
lMonthlypymt.setText("Monthly Payment");
lBalance.setText("Existing Balance");
lInterest.setText("Existing Interest");
//Write text panel
tpanel.setLayout(new GridLayout(8,1));
tpanel.setMinimumSize(new java.awt.Dimension(100, 150));
tpanel.setPreferredSize(new java.awt.Dimension(100, 150));
tpanel.setMaximumSize(new java.awt.Dimension(Short.MAX_VALUE,Short.MAX_VALUE))
;
tpanel.add(cbSetup);
tpanel.add(tAmount);
tpanel.add(tRate);
tpanel.add(tInterest);
tpanel.add(tTermlngth);
cbSetup.addActionListener(this);
tpanel.add(tMonthlypymt);
tpanel.add(tBalance);
tpanel.add(tInterest);
//Create border layout
p1.setBorder(BorderFactory.createEmptyBorder(10, 10, 2, 10));
p1.setLayout(new BorderLayout());
p1.add(lpanel, "West");
p1.add(tpanel, "East");
main.add(p1, "West");
//Buttons
pButton.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
pButton.setLayout(new BorderLayout());
bCalc.setText("Calculate Mortgage");
main.add(bCalc);
bMonthlypymt.setText("See all Payments");
main.add(bMonthlypymt);
bQuit.setText("Quit");
main.add(bQuit);
main.add(pButton);
//Scrollable
spScrollpanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
main.add(spScrollpanel);
main.setLayout(lFlow);
//Listeners
bCalc.addActionListener(this);
bMonthlypymt.addActionListener(this);
bQuit.addActionListener(this);
//Main title
this.setSize(650,550);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setTitle("Mortgage Week 3!");
this.setVisible(true);
}
public void actionPerformed(ActionEvent thisEvent)
{
Object source = thisEvent.getSource();
//Declare exceptions
if(source == bCalc)
{
try
{
iTermlngth = Integer.parseInt(tTermlngth.getText());
dAmount = Double.parseDouble(tAmount.getText());
dApr = Double.parseDouble(tRate.getText());
}
catch(NumberFormatException e)
{
sErrorMessage = sErrorMessage + "Invalid";
bError = true;
}
if (iTermlngth <= 0 || dAmount <= 0 || dApr <= 0)
{
sErrorMessage = sErrorMessage + "Invalid";
bError = true;
}
if(bError == true)
{
JOptionPane.showMessageDialog(this, sErrorMessage, "Invalid", JOptionPane.
ERROR_MESSAGE);
tMonthlypymt.setText("");
}
//Mortgage math
else
{
dTermlngthconv = iTermlngth / 12;
dAprconv = dApr / 100;
dMonthlypymt = (((dAmount * dAprconv) * dTermlngthconv) + dAmount) /
iTermlngth;
dTotbalance = dMonthlypymt * iTermlngth;
dTotinterest = dTotbalance - dAmount;
tMonthlypymt.setText(nfCurrency.format(dMonthlypymt));
tBalance.setText(nfCurrency.format(dTotbalance));
tInterest.setText(nfCurrency.format(dTotinterest));
bMonthlypymt.setEnabled(true);
}
}
if(source == bMonthlypymt)
{
dMonthlyapr = (dApr / 100) / 12;
dTotaldue = dAmount;
taArea.setText(sAreaheader);
for(int iCounter = 0; iCounter <= iTermlngth - 1; iCounter++)
{
dIntpaid = dTotaldue * dMonthlyapr;
if(dIntpaid <= 0)
dIntpaid = 0;
dAmountpaid = dMonthlypymt - dIntpaid;
dTotaldue = dTotaldue - dAmountpaid;
taArea.append(" "
+nfDecimals.format(iCounter + 1) + "\t"
+nfCurrency.format(dAmountpaid) + "\t"
+nfCurrency.format(dIntpaid) + "\t"
+nfCurrency.format(dTotaldue) + "\n");
taArea.setCaretPosition(0);
}
}
//Display all payments
if(source == cbSetup)
{
int cbStart = cbSetup.getSelectedIndex();
iTotmonths = xTerm[cbStart]* 12;
dYearlyrate = xRate[cbStart]* 100;
tTermlngth.setText(Integer.toString(iTotmonths));
tRate.setText(Double.toString(dYearlyrate));
tAmount.requestFocus();
}
//exit program
if(source == bQuit)
{
System.exit(0);
}
}
} /*END*/
-----------------------------------------------------any help would be
appriciated---------------------------------------------------
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