Question: Convert the following code into a Graphic Component with Matisse package temperatureconverter; import java.awt.Dimension; import java.awt.GridLayout; import javax.swing.JComboBox; import javax.swing.JFrame; import javax.swing.JTextField; import javax.swing.event.DocumentEvent; import
Convert the following code into a Graphic Component with Matisse
package temperatureconverter;
import java.awt.Dimension;
import java.awt.GridLayout;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
public class TemperatureConverter{
public static void main(String[] args){ //main class
final JFrame f=new JFrame("Temp Conversion"); //we are using jframe //jf = new JFrame("Temperature Conversion"); //ADD TEXT FIELDS
final JTextField leftSide=new JTextField(20);
final JTextField rightSide=new JTextField(20);
// SET LAYOUT TO GRID
f.setLayout(new GridLayout(2, 2));
//ADD COMBO BOXES
final JComboBox
jc.addItem("Celsius");
jc.addItem("Fahrenheit");
jc.addItem("Kelvin");
final JComboBox
jc2.addItem("Celsius");
jc2.addItem("Fahrenheit");
jc2.addItem("Kelvin");
f.add(leftSide);
f.add(rightSide);
f.add(jc);
f.add(jc2);
rightSide.setPreferredSize(new Dimension(100, 50));
f.setVisible(true);
f.pack();
//ADD ON CHANGE EVENT
// Listen for changes in the text
leftSide.getDocument().addDocumentListener(new DocumentListener() {
public void changedUpdate(DocumentEvent e) {
doCalculation();
}
public void removeUpdate(DocumentEvent e) {
doCalculation();
}
public void insertUpdate(DocumentEvent e) {
doCalculation();
}
public void doCalculation() {
//DO CALCULATIONS BASED ON INPUT AND OUTPUT
try{
double fromData = Double.parseDouble(leftSide.getText());
String from = jc.getSelectedItem().toString();
String to = jc2.getSelectedItem().toString();
if(to.equalsIgnoreCase("Celsius") && from.equalsIgnoreCase("Fahrenheit")){
double result =(fromData - 32) * 5 / 9;
rightSide.setText(result+"");
}else if(to.equalsIgnoreCase("Celsius") && from.equalsIgnoreCase("Kelvin")){
double result = fromData - 273.15;
rightSide.setText(result+"");
}else if(to.equalsIgnoreCase("Fahrenheit") && from.equalsIgnoreCase("Kelvin")){
double result = 1.8*(fromData - 273.15) + 32;
rightSide.setText(result+"");
}else if(to.equalsIgnoreCase("Fahrenheit") && from.equalsIgnoreCase("Celsius")){
double result = fromData*1.8+32;
rightSide.setText(result+"");
}else if(to.equalsIgnoreCase("Kelvin") && from.equalsIgnoreCase("Fahrenheit")){
double result = (fromData + 459.67)*5/9;
rightSide.setText(result+"");
}else if(to.equalsIgnoreCase("Kelvin") && from.equalsIgnoreCase("Celsius")){
double result = fromData +273.15;
rightSide.setText(result+"");
}else{
rightSide.setText(fromData+"");
}
}catch(Exception e){
}
}
});
// Listen for changes in the text
rightSide.getDocument().addDocumentListener(new DocumentListener() {
public void changedUpdate(DocumentEvent e) {
doCalculation();
}
public void removeUpdate(DocumentEvent e) {
doCalculation();
}
public void insertUpdate(DocumentEvent e) {
doCalculation();
}
public void doCalculation() {
try{
double fromData = Double.parseDouble(rightSide.getText());
String from = jc2.getSelectedItem().toString();
String to = jc.getSelectedItem().toString();
if(to.equalsIgnoreCase("Celsius") && from.equalsIgnoreCase("Fahrenheit")){
double result =(fromData - 32) * 5 / 9;
leftSide.setText(result+"");
}else if(to.equalsIgnoreCase("Celsius") && from.equalsIgnoreCase("Kelvin")){
double result = fromData - 273.15;
leftSide.setText(result+"");
}else if(to.equalsIgnoreCase("Fahrenheit") && from.equalsIgnoreCase("Kelvin")){
double result = 1.8*(fromData - 273.15) + 32;
leftSide.setText(result+"");
}else if(to.equalsIgnoreCase("Fahrenheit") && from.equalsIgnoreCase("Celsius")){
double result = fromData*1.8+32;
leftSide.setText(result+"");
}else if(to.equalsIgnoreCase("Kelvin") && from.equalsIgnoreCase("Fahrenheit")){
double result = (fromData + 459.67)*5/9;
leftSide.setText(result+"");
}else if(to.equalsIgnoreCase("Kelvin") && from.equalsIgnoreCase("Celsius")){
double result = fromData +273.15;
leftSide.setText(result+"");
}else{
leftSide.setText(fromData+"");
}
}catch(Exception e){
}
}
});
}
}
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