import java.awt.Color;
import java.awt.Container;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
public class Frame extends JFrame implements ActionListener
{
public PanelDodaj pD;
private JButton bDodaj, bClean;
JTextArea _resultArea = new JTextArea(6, 20);
public Frame()
{
setLayout(null);
bDodaj = new JButton("Dodaj");
bDodaj.setBounds(20,20,100,20);
add(bDodaj);
bDodaj.addActionListener(this);
bClean = new JButton("Wyczyść");
bClean.setBounds(130,20,100,20);
add(bClean);
bClean.addActionListener(this);
// JTextArea
JScrollPane scrollingArea = new JScrollPane(_resultArea);
scrollingArea.setBounds(20, 50, 200, 200);
add(_resultArea);
_resultArea.setBounds(20, 50, 200 , 200);
_resultArea.setOpaque(true);
_resultArea.setWrapStyleWord(true);
add(scrollingArea);
Font font = new Font("Cambria", Font.PLAIN, 12);
_resultArea.setFont(font);
_resultArea.setForeground(Color.BLUE);
}
public void actionPerformed(ActionEvent e)
{
Object z = e.getSource();
if(z==bClean)
{
if(pD==null)
pD= new PanelDodaj(this);
pD.setVisible(true);
pD.setFocus();
if(pD.isOK())
{
_resultArea.append(pD.getName()+" "+" "+pD.getprice());
}
pD.setVisible(false);
}
}
public static void main(String[] args)
{
// JFrame
Frame ramka = new Frame();
ramka.setDefaultCloseOperation(3);
ramka.setVisible(true);
ramka.setSize(250, 300);
ramka.setResizable(false);
ramka.setLocation(560, 250);
ramka.setTitle("Check OUT!");
//T E S T :D
}
class PanelDodaj extends JDialog implements ActionListener
{
private JLabel lname, lprice, lamount;
private JTextField tname, tprice, tamount;
private JButton bOK, bCancel;
private boolean okData;
public PanelDodaj(JFrame owner)
{
super(owner, "Wprowadzanie", true);
setSize(220,200);
setLayout(null);
lname = new JLabel ("Nazwa :", JLabel.RIGHT);
lname.setBounds(20, 20, 50, 20);
add(lname);
lprice = new JLabel ("Cena :", JLabel.RIGHT);
lprice.setBounds(20, 50, 50, 20);
add(lprice);
lamount = new JLabel ("Ilość :", JLabel.RIGHT);
lamount.setBounds(20, 80, 50, 20);
add(lamount);
tname = new JTextField ();
tname.setBounds(80, 20, 50, 20);
add(tname);
tprice = new JTextField ();
tprice.setBounds(80, 50, 50, 20);
add(tprice);
tprice = new JTextField ();
tprice.setBounds(80, 80, 50, 20);
add(tprice);
bOK = new JButton("OK");
bOK.setBounds(20, 110, 80, 20);
bOK.addActionListener(this);
add(bOK);
bCancel = new JButton("Cancel");
bCancel.setBounds(110, 110, 80, 20);
bCancel.addActionListener(this);
add(bCancel);
}
public String gettname()
{
return tname.getText();
}
public int getprice()
{
return Integer.parseInt(tprice.getText());
}
public int getamount()
{
return Integer.parseInt(tamount.getSelectedText());
}
public boolean isOK()
{
return okData;
}
public void setFocus()
{
tname.requestFocusInWindow();
tprice.requestFocusInWindow();
}
public void actionPerformed(ActionEvent a)
{
Object z = a.getSource();
if (z==bOK)
{
okData = true;
}
else
{
okData=false;
}
}
}
}
- i błędy **
Exception in thread "AWT-EventQueue-0" java.lang.NumberFormatException: For input string: "a"
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:492)
at java.lang.Integer.parseInt(Integer.java:527)
at Frame$PanelDodaj.getprice(Frame.java:150)
at Frame.actionPerformed(Frame.java:68)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6505)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
at java.awt.Component.processEvent(Component.java:6270)
at java.awt.Container.processEvent(Container.java:2229)
at java.awt.Component.dispatchEventImpl(Component.java:4861)
at java.awt.Container.dispatchEventImpl(Container.java:2287)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
at java.awt.Container.dispatchEventImpl(Container.java:2273)
at java.awt.Window.dispatchEventImpl(Window.java:2719)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:723)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:682)
at java.awt.EventQueue$3.run(EventQueue.java:680)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.awt.EventQueue$4.run(EventQueue.java:696)
at java.awt.EventQueue$4.run(EventQueue.java:694)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:693)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)
Java 