The program below illustrates the use of these frames and directly adding of components to the frame.
[+/-] show/hide
/*adding of components to frame without a panel*/
import java.awt.FlowLayout;
import javax.swing.*;
import java.awt.event.*;
public class GUIEventSeatWork extends JFrame implements ActionListener{
JLabel toLabel= new JLabel("To : ",SwingConstants.LEFT);
JLabel fromLabel= new JLabel ("From:",SwingConstants.LEFT);
JLabel messageLabel = new JLabel (" Message:",JLabel.LEFT);
JTextField toField=new JTextField(15);
JTextField fromField = new JTextField(15);
JTextArea msgArea= new JTextArea(4,15);
JButton send = new JButton("Send");
public GUIEventSeatWork(){
super("Email Form");
setSize(220,280);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
msgArea.setLineWrap(true);
msgArea.setWrapStyleWord(true);
JScrollPane scrollpane=new JScrollPane(msgArea);
FlowLayout flo=new FlowLayout();
send.addActionListener(this);
setLayout(flo);
add(toLabel);
add(toField);
add(fromLabel);
add(fromField);
add(messageLabel);
add(scrollpane);
add(send);
setVisible(true);
}
public void actionPerformed(ActionEvent evt) {
String toName=toField.getText();
String fromName=fromField.getText();
String msgText=msgArea.getText();
msgForm myMessage = new msgForm(toName,fromName,msgText);
myMessage.setVisible(true);
}
public static void main (String args[]){
GUIEventSeatWork myFrame=new GUIEventSeatWork();
}
}
class msgForm extends JFrame {
JLabel to = new JLabel();
JLabel from = new JLabel();
JTextArea msg = new JTextArea();
JPanel msgpane= new JPanel();
public msgForm(String toLbl,String fromLbl,String msgTxt){
super("Details");
setSize(150,200);
FlowLayout xflo=new FlowLayout();
msgpane.setLayout(xflo);
setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
to.setText ("\nTo : "+toLbl);
from.setText("\nFrom : "+fromLbl);
msg.setText ("\nMessage: "+msgTxt);
msgpane.add(to);
msgpane.add(from);
msgpane.add(msg);
add(msgpane);
}
}
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