Hey Lifesavers! How can i dispose the current frame holding the combobox on item selection to navigate to the next frame.
The dispose(); method does not dispose the Main class, when i select supplier item onthe combo list.
how can i reolve this;
sample code from the sodes is below.
main frame code
==============================
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class Main extends JFrame implements ItemListener
{
private JLabel logo;
private JLabel line1;
private JLabel line2;
private JLabel line3;
private JButton exitbtn;
private JComboBox Selector;
private JLabel task;
private JButton logoutbtn;
private String [] SelectorItems;
public Main()
{
//construct preComponents
SelectorItems = new String [9];
SelectorItems [0] = " ----- Select a Form -----";
SelectorItems [1] = "Supplier";
SelectorItems [2] = "Order";
SelectorItems [3] = "Warehousing";
SelectorItems [4] = "Product";
SelectorItems [5] = "Employee";
SelectorItems [6] = "Inventory";
SelectorItems [7] = "Sale";
SelectorItems [8] = "Exit";
Selector = new JComboBox (SelectorItems);
//construct components
logo = new JLabel (" WELCOME TO CHOPPIES MANAGEMENT SYSTEM");
line1 = new JLabel ("----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
line2 = new JLabel ("----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
line3 = new JLabel ("----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
exitbtn = new JButton ("Exit");
Selector = new JComboBox (SelectorItems);
task = new JLabel ("Task Selection :");
logoutbtn = new JButton ("Logout");
// set pictures
ImageIcon labelIcon2 = new ImageIcon("logo2.png");
JLabel cornerLabel = new JLabel( labelIcon2 );
add(cornerLabel);
cornerLabel.setBounds( 60, 130, 500, 92);
Selector.setForeground (Color.red);
//Selector.setFont (SansSerif);
/* Initialization */
Selector.setSelectedIndex (0);
Selector.setBackground (Color.cyan);
//adjust size and set layout
getContentPane().setBackground(Color.gray);
setTitle("Main");
setSize(624, 537);
setLayout (null);
//add components
add (logo);
add (line1);
add (line2);
add (line3);
add (exitbtn);
add (Selector);
add (task);
add (logoutbtn);
//set component bounds (only needed by Absolute Positioning)
logo.setBounds (200, 85, 305, 25);
line1.setBounds (-35, 445, 780, 15);
line2.setBounds (-100, 55, 765, 25);
line3.setBounds (-75, 110, 765, 25);
exitbtn.setBounds (335, 415, 75, 20);
Selector.setBounds (215, 240, 190, 25);
task.setBounds (80, 240, 155, 30);
logoutbtn.setBounds (215, 415, 75, 20);
Selector.addItemListener (this);
ButtonHandler handler = new ButtonHandler();
exitbtn.addActionListener( handler );
logoutbtn.addActionListener( handler);
}
private class ButtonHandler implements ActionListener
{
// handle button event
public void actionPerformed( ActionEvent e )
{
Object source = e.getSource();
if(source == exitbtn)
{
int returnValue = JOptionPane.showConfirmDialog(null, "Are you sure you want to quit the system",
"Exit Confirmation", JOptionPane.YES_NO_OPTION);
if(returnValue == JOptionPane.YES_OPTION)
{
System.exit(1);
}
}
else if(source == logoutbtn)
{
login frame = new login();
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.toFront();
frame.setVisible (true);
frame.setResizable(false);
dispose();
}
}
}
public void itemStateChanged(ItemEvent e)
{
int Selection;
Selection = Selector.getSelectedIndex();
if (Selection == 0)
{
}
else if (Selection == 1)
{
supplier frame = new supplier();
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.toFront();
frame.setVisible (true);
frame.setResizable(false);
dispose();
}
else if (Selection == 2)
{
order frame = new order();
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.toFront();
frame.setVisible (true);
frame.setResizable(false);
dispose();
}
else if (Selection == 3)
{
}
else if (Selection == 4)
{
addproduct frame = new addproduct();
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.toFront();
frame.setVisible (true);
frame.setResizable(false);
dispose();
}
else if (Selection == 5)
{
addEmployee frame = new addEmployee();
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.toFront();
frame.setVisible (true);
frame.setResizable(false);
dispose();
}
else if (Selection == 6)
{
}
else if (Selection == 7)
{
sale frame = new sale();
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.toFront();
frame.setVisible(true);
frame.setResizable(false);
dispose();
}
else if (Selection == 8)
{
int returnValue = JOptionPane.showConfirmDialog(null, "Are you sure you want to quit the system",
"Exit Confirmation", JOptionPane.YES_NO_OPTION);
if(returnValue == JOptionPane.YES_OPTION)
{
System.exit(1);
}
}
}
public static void main (String[] args)
{
Main frame = new Main ();
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.toFront();
frame.setVisible (true);
frame.setResizable(false);
}
}=========================================
supplier frame code
=========================================
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class supplier extends JFrame
{
private JLabel logo;
private JLabel line1;
private JLabel line2;
private JLabel line3;
private JButton exitbtn;
private JButton logoutbtn;
private JTextField nametxt;
private JTextField locationtxt;
private JTextField addresstxt;
private JTextField telnotxt;
private JTextField paydaytxt;
private JLabel suppliernamelbl;
private JLabel namelbl;
private JLabel locationlbl;
private JLabel addresslbl;
private JLabel telnolbl;
private JLabel paydaylbl;
private JButton savebtn;
private JButton mainbtn;
private JLabel currentorderlbl;
private JTextField currentordertxt;
private JTextField deliverydatetxt;
private JTextField supplieridtxt;
private JLabel deliverydatelbl;
private JLabel supplieridlbl;
public supplier()
{
logo = new JLabel ("CHOPPIES MANAGEMENT SYSTEM");
line1 = new JLabel ("----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
line2 = new JLabel ("----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
line3 = new JLabel ("----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
exitbtn = new JButton ("Exit");
logoutbtn = new JButton ("Logout");
nametxt = new JTextField (5);
locationtxt = new JTextField (5);
addresstxt = new JTextField (5);
telnotxt = new JTextField (5);
paydaytxt = new JTextField (5);
suppliernamelbl = new JLabel ("Supplier Name");
namelbl = new JLabel ("Name");
locationlbl = new JLabel ("Location");
addresslbl = new JLabel ("Address");
telnolbl = new JLabel ("TelNo");
paydaylbl = new JLabel ("Pay Day");
savebtn = new JButton ("Save");
mainbtn = new JButton ("Main");
currentorderlbl = new JLabel ("Current OrderOrder");
currentordertxt = new JTextField (5);
deliverydatetxt = new JTextField (5);
supplieridtxt = new JTextField (5);
deliverydatelbl = new JLabel ("Delivery Date");
supplieridlbl = new JLabel ("Supplier ID");
getContentPane().setBackground(Color.gray);
setTitle("supplier");
setSize(624, 537);
setLayout(null);
add (logo);
add (line1);
add (line2);
add (line3);
add (exitbtn);
add (logoutbtn);
add (nametxt);
add (locationtxt);
add (addresstxt);
add (telnotxt);
add (paydaytxt);
add (suppliernamelbl);
add (namelbl);
add (locationlbl);
add (addresslbl);
add (telnolbl);
add (paydaylbl);
add (savebtn);
add (mainbtn);
add (currentorderlbl);
add (currentordertxt);
add (deliverydatetxt);
add (supplieridtxt);
add (deliverydatelbl);
add (supplieridlbl);
logo.setBounds (200, 85, 205, 25);
line1.setBounds (-35, 445, 780, 15);
line2.setBounds (-100, 55, 765, 25);
line3.setBounds (-75, 110, 765, 25);
exitbtn.setBounds (445, 465, 75, 20);
logoutbtn.setBounds (120, 465, 75, 20);
nametxt.setBounds (120, 180, 145, 20);
locationtxt.setBounds (120, 220, 145, 20);
addresstxt.setBounds (120, 260, 145, 20);
telnotxt.setBounds (120, 300, 145, 20);
paydaytxt.setBounds (120, 345, 145, 20);
suppliernamelbl.setBounds (245, 130, 100, 25);
namelbl.setBounds (35, 180, 100, 25);
locationlbl.setBounds (35, 220, 100, 25);
addresslbl.setBounds (35, 260, 75, 25);
telnolbl.setBounds (35, 300, 100, 25);
paydaylbl.setBounds (35, 345, 65, 20);
savebtn.setBounds (440, 390, 100, 25);
mainbtn.setBounds (280, 465, 75, 20);
currentorderlbl.setBounds (280, 175, 120, 25);
currentordertxt.setBounds (410, 175, 150, 20);
deliverydatetxt.setBounds (410, 220, 150, 20);
supplieridtxt.setBounds (410, 260, 150, 20);
deliverydatelbl.setBounds (280, 220, 100, 25);
supplieridlbl.setBounds (275, 255, 100, 25);
ButtonHandler handler = new ButtonHandler();
exitbtn.addActionListener( handler );
logoutbtn.addActionListener( handler );
savebtn.addActionListener( handler );
mainbtn.addActionListener( handler );
}
private class ButtonHandler implements ActionListener
{
public void actionPerformed( ActionEvent e )
{
Object source = e.getSource();
if(source == exitbtn)
{
int returnValue = JOptionPane.showConfirmDialog(null, "Are you sure you want to quit the system",
"Exit Confirmation", JOptionPane.YES_NO_OPTION);
if(returnValue == JOptionPane.YES_OPTION)
{
System.exit(1);
}
}
else if(source == logoutbtn)
{
login frame = new login();
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.toFront();
frame.setVisible (true);
frame.setResizable(false);
dispose();
}
else if(source == savebtn)
{
}
else if(source == mainbtn)
{
Main frame = new Main ();
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.toFront();
frame.setVisible (true);
frame.setResizable(false);
dispose();
}
}
}
public static void main (String[] args)
{
supplier frame = new supplier();
frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.toFront();
frame.setVisible (true);
frame.setResizable(false);
}
}