Question
I am building a GUI for a bank as my project. I have the frame and panel built, but am having trouble with the clear
I am building a GUI for a bank as my project. I have the frame and panel built, but am having trouble with the clear listener.
BankFrame.java
//Date //Author:
import javax.swing.JFrame;
public class BankFrame {
public static void main(String[] args) { //Object with frame title JFrame frame = new JFrame("Meal Selector"); //Close button frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Bankpanel panel = new Bankpanel(); frame.getContentPane().add(panel); //size of frame frame.setSize(500, 1000); //make frame visible frame.setVisible(true);
}
}
Bankpanel.java
//Date: //Author: //Purpose: To display my ability to create and build a Graphic User Interface
import java.awt.*; import java.awt.event.*; import javax.swing.*;
import java.util.*; import java.text.NumberFormat;
public class BankPanel extends JPanel {
//1. declare instance variables in panel class level // create components private JLabel balanceL, optionL, withdrawL, depositL, remainingL; private JTextField withdraw, deposit, remaining; private JButton balance, Clear; private JRadioButton withdrawR, depositR; //panel constructor BankPanel(){ //List of components //Labels balanceL = new JLabel ("Bank account balance: $5826"); optionL = new JLabel ("Select your option: "); withdrawL = new JLabel ("How much would you like to withdraw?: "); depositL = new JLabel ("How much would you like to deposit?: "); remainingL = new JLabel ("Remaining balance: "); //Text fields withdraw = new JTextField(10); deposit = new JTextField(10); remaining = new JTextField(10); //Buttons balance = new JButton ("Balance"); Clear = new JButton ("Clear"); //Radio buttons (must be grouped together) withdrawR = new JRadioButton("Withdraw"); depositR = new JRadioButton("Deposit"); ButtonGroup transGroup = new ButtonGroup(); transGroup.add(withdrawR); transGroup.add(depositR); //Listeners balance.addActionListener(new remainingListener()); Clear.addActionListener(new ClearListener()); //Adding components to panel add (balanceL); add (optionL); add (withdraw); add (deposit); add (withdrawL); add (withdraw); add (depositL); add (deposit); add (remainingL); add (remaining); add (balance); add (Clear); //Size and background for panel setPreferredSize(new Dimension(500, 1000)); setBackground(Color.blue); } private class remainingListener implements ActionListener { public void actionPerformed (ActionEvent event){ double w, d, r; if(event.getSource()==balance){ String withdrawText = withdraw.getText(); String depositText = deposit.getText(); w = Double.parseDouble(withdrawText); d = Double.parseDouble(depositText); //Remaining balance calculation r = 5826 + d - w; //Remaining balance is set to Balance button //You must enter both the deposit and withdraw to get the remaining balance //enter 0 in withdraw if you only want to deposit and vice versa. remaining.setText(String.valueOf(r)); // Clear push button-- listener private class ClearListener implements ActionListener { public void actionPerformed (ActionEvent event){
//clear info from text fields withdraw.setText(""); deposit.setText(""); remaining.setText("");
//clear info from balance label remainingL.setText(""); } } } } } }
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