Java And Jarkom Tutorial Blog's

Wednesday, May 15, 2013

user id and password

import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Insets;

/**
* Simple object to prompt for user id/password.
*
*/
public class SecurePrompt extends javax.swing.JDialog {
public SecurePrompt(Frame parent) {
super(parent, true);

//{{INIT_CONTROLS
setTitle("Security");
getContentPane().setLayout(null);
setSize(403, 129);
setVisible(false);
JLabel1.setText("User ID:");
getContentPane().add(JLabel1);
JLabel1.setBounds(12, 12, 48, 24);
JLabel2.setText("Password:");
getContentPane().add(JLabel2);
JLabel2.setBounds(12, 48, 72, 24);
_uid.setText("jheaton");
getContentPane().add(_uid);
_uid.setBounds(72, 12, 324, 24);
_ok.setText("OK");
getContentPane().add(_ok);
_ok.setBounds(60, 84, 84, 24);
getContentPane().add(_pwd);
_pwd.setBounds(72, 48, 324, 24);
_cancel.setText("Cancel");
getContentPane().add(_cancel);
_cancel.setBounds(264, 84, 84, 24);
//}}

//{{REGISTER_LISTENERS
SymAction lSymAction = new SymAction();
_ok.addActionListener(lSymAction);
_cancel.addActionListener(lSymAction);
//}}
}

public void setVisible(boolean b) {
if (b)
setLocation(50, 50);
super.setVisible(b);
}

public void addNotify() {
// Record the size of the window prior to calling parents addNotify.
Dimension size = getSize();

super.addNotify();

if (frameSizeAdjusted)
return;
frameSizeAdjusted = true;

// Adjust size of frame according to the insets
Insets insets = getInsets();
setSize(insets.left + insets.right + size.width, insets.top
+ insets.bottom + size.height);
}

// Used by addNotify
boolean frameSizeAdjusted = false;

//{{DECLARE_CONTROLS
javax.swing.JLabel JLabel1 = new javax.swing.JLabel();

javax.swing.JLabel JLabel2 = new javax.swing.JLabel();

/**
* The user ID entered.
*/
javax.swing.JTextField _uid = new javax.swing.JTextField();

/**
*/
javax.swing.JButton _ok = new javax.swing.JButton();

/**
* The password is entered.
*/
javax.swing.JPasswordField _pwd = new javax.swing.JPasswordField();

javax.swing.JButton _cancel = new javax.swing.JButton();

//}}

class SymAction implements java.awt.event.ActionListener {
public void actionPerformed(java.awt.event.ActionEvent event) {
Object object = event.getSource();
if (object == _ok)
Ok_actionPerformed(event);
else if (object == _cancel)
Cancel_actionPerformed(event);
}
}

/**
* Called when ok is clicked.
*
* @param event
*/
void Ok_actionPerformed(java.awt.event.ActionEvent event) {
setVisible(false);
}

/**
* Called when cancel is clicked.
*
* @param event
*/
void Cancel_actionPerformed(java.awt.event.ActionEvent event) {
_uid.setText("");
_pwd.setText("");
setVisible(false);
}
}

Thursday, May 9, 2013

error massage

import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class ErrorDialog {

public static void main(String argv[]) {
String message = "\"The Comedy of Errors\"\n"
+ "is considered by many scholars to be\n"
+ "the first play Shakespeare wrote";
JOptionPane.showMessageDialog(new JFrame(), message, "Dialog",
JOptionPane.ERROR_MESSAGE);
}
}

creating and using dialog

// : c14:Dialogs.java
// Creating and using Dialog Boxes.
// <applet code=Dialogs width=125 height=75></applet>
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;

class MyDialog extends JDialog {
public MyDialog(JFrame parent) {
super(parent, "My dialog", true);
Container cp = getContentPane();
cp.setLayout(new FlowLayout());
cp.add(new JLabel("Here is my dialog"));
JButton ok = new JButton("OK");
ok.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
dispose(); // Closes the dialog
}
});
cp.add(ok);
setSize(150, 125);
}
}

public class Dialogs extends JApplet {
private JButton b1 = new JButton("Dialog Box");

private MyDialog dlg = new MyDialog(null);

public void init() {
b1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
dlg.show();
}
});
getContentPane().add(b1);
}

public static void main(String[] args) {
run(new Dialogs(), 125, 75);
}

public static void run(JApplet applet, int width, int height) {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(applet);
frame.setSize(width, height);
applet.init();
applet.start();
frame.setVisible(true);
}
} ///:~

confirmation dialog

import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class OptionDialog {

public static void main(String argv[]) {
if (JOptionPane.showConfirmDialog(new JFrame(),
"Do you want to quit this application ?", "Title",
JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION)
System.exit(0);

}
}