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QUITDIALOG
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1998-12-10
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5KB
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184 lines
/*
A basic extension of the java.awt.Dialog class
*/
import java.awt.*;
import java.awt.event.*;
public class QuitDialog extends Dialog
{
public QuitDialog(Frame parent, boolean modal)
{
super(parent, modal);
//Keep a local reference to the invoking frame
frame = parent;
// This code is automatically generated by Visual Cafe when you add
// components to the visual environment. It instantiates and initializes
// the components. To modify the code, only use code syntax that matches
// what Visual Cafe can generate, or Visual Cafe may be unable to back
// parse your Java file into its visual environment.
//{{INIT_CONTROLS
setLayout(null);
setSize(337,135);
setVisible(false);
yesButton.setLabel(" Yes ");
add(yesButton);
yesButton.setFont(new Font("Dialog", Font.BOLD, 12));
yesButton.setBounds(72,80,79,22);
noButton.setLabel(" No ");
add(noButton);
noButton.setFont(new Font("Dialog", Font.BOLD, 12));
noButton.setBounds(185,80,79,22);
label1.setText("Do you really want to exit?");
label1.setAlignment(java.awt.Label.CENTER);
add(label1);
label1.setBounds(78,33,180,23);
setTitle("AWT Application - Exit");
//}}
//{{REGISTER_LISTENERS
SymWindow aSymWindow = new SymWindow();
this.addWindowListener(aSymWindow);
SymAction lSymAction = new SymAction();
noButton.addActionListener(lSymAction);
yesButton.addActionListener(lSymAction);
//}}
}
public void addNotify()
{
// Record the size of the window prior to calling parents addNotify.
Dimension d = getSize();
super.addNotify();
if (fComponentsAdjusted)
return;
// Adjust components according to the insets
setSize(getInsets().left + getInsets().right + d.width, getInsets().top + getInsets().bottom + d.height);
Component components[] = getComponents();
for (int i = 0; i < components.length; i++)
{
Point p = components[i].getLocation();
p.translate(getInsets().left, getInsets().top);
components[i].setLocation(p);
}
fComponentsAdjusted = true;
}
public QuitDialog(Frame parent, String title, boolean modal)
{
this(parent, modal);
setTitle(title);
}
/**
* Shows or hides the component depending on the boolean flag b.
* @param b if true, show the component; otherwise, hide the component.
* @see java.awt.Component#isVisible
*/
public void setVisible(boolean b)
{
if(b)
{
Rectangle bounds = getParent().getBounds();
Rectangle abounds = getBounds();
setLocation(bounds.x + (bounds.width - abounds.width)/ 2,
bounds.y + (bounds.height - abounds.height)/2);
Toolkit.getDefaultToolkit().beep();
}
super.setVisible(b);
}
// Used for addNotify check.
boolean fComponentsAdjusted = false;
// Invoking frame
Frame frame = null;
//{{DECLARE_CONTROLS
java.awt.Button yesButton = new java.awt.Button();
java.awt.Button noButton = new java.awt.Button();
java.awt.Label label1 = new java.awt.Label();
//}}
class SymAction implements java.awt.event.ActionListener
{
public void actionPerformed(java.awt.event.ActionEvent event)
{
Object object = event.getSource();
if (object == yesButton)
yesButton_ActionPerformed(event);
else if (object == noButton)
noButton_ActionPerformed(event);
}
}
void yesButton_ActionPerformed(java.awt.event.ActionEvent event)
{
// to do: code goes here.
yesButton_ActionPerformed_Interaction1(event);
}
void yesButton_ActionPerformed_Interaction1(java.awt.event.ActionEvent event)
{
try {
frame.setVisible(false); // Hide the invoking frame
frame.dispose(); // Free system resources
this.dispose(); // Free system resources
System.exit(0); // close the application
} catch (Exception e) {
}
}
void noButton_ActionPerformed(java.awt.event.ActionEvent event)
{
// to do: code goes here.
noButton_ActionPerformed_Interaction1(event);
}
void noButton_ActionPerformed_Interaction1(java.awt.event.ActionEvent event)
{
try {
this.dispose();
} catch (Exception e) {
}
}
class SymWindow extends java.awt.event.WindowAdapter
{
public void windowClosing(java.awt.event.WindowEvent event)
{
Object object = event.getSource();
if (object == QuitDialog.this)
QuitDialog_WindowClosing(event);
}
}
void QuitDialog_WindowClosing(java.awt.event.WindowEvent event)
{
// to do: code goes here.
QuitDialog_WindowClosing_Interaction1(event);
}
void QuitDialog_WindowClosing_Interaction1(java.awt.event.WindowEvent event)
{
try {
this.dispose();
} catch (Exception e) {
}
}
}