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package javax.swing;
import java.awt.*;
import java.awt.event.*;
import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleRole;
import javax.accessibility.AccessibleState;
import javax.accessibility.AccessibleStateSet;
/**
* Unlike JComponent derivatives, JFrame inherits from
* java.awt.Frame. But also lets a look-and-feel component to its work.
*
* @author Ronald Veldema (rveldema@cs.vu.nl)
*/
public class JFrame extends Frame
{
public final static int HIDE_ON_CLOSE = 0;
public final static int EXIT_ON_CLOSE = 1;
public final static int DISPOSE_ON_CLOSE = 2;
public final static int DO_NOTHING_ON_CLOSE = 3;
protected AccessibleContext accessibleContext;
private int close_action = EXIT_ON_CLOSE;
/***************************************************
*
* initia
*
*
*************/
public JFrame()
{
super("JFrame");
frameInit();
}
public JFrame(String title)
{
super(title);
frameInit();
}
/***************************************************
*
*
* methods, this part is shared with JDialog, JFrame
*
*
*************/
private boolean checking;
protected JRootPane rootPane;
protected void frameInit()
{
super.setLayout(new BorderLayout(1, 1));
getRootPane(); // will do set/create
}
public Dimension getPreferredSize()
{
Dimension d = super.getPreferredSize();
return d;
}
JMenuBar getJMenuBar()
{ return getRootPane().getJMenuBar(); }
void setJMenuBar(JMenuBar menubar)
{ getRootPane().setJMenuBar(menubar); }
public void setLayout(LayoutManager manager)
{ super.setLayout(manager); }
void setLayeredPane(JLayeredPane layeredPane)
{ getRootPane().setLayeredPane(layeredPane); }
JLayeredPane getLayeredPane()
{ return getRootPane().getLayeredPane(); }
JRootPane getRootPane()
{
if (rootPane == null)
setRootPane(createRootPane());
return rootPane;
}
void setRootPane(JRootPane root)
{
if (rootPane != null)
remove(rootPane);
rootPane = root;
add(rootPane, BorderLayout.CENTER);
}
JRootPane createRootPane()
{ return new JRootPane(); }
Container getContentPane()
{ return getRootPane().getContentPane(); }
void setContentPane(Container contentPane)
{ getRootPane().setContentPane(contentPane); }
Component getGlassPane()
{ return getRootPane().getGlassPane(); }
void setGlassPane(Component glassPane)
{ getRootPane().setGlassPane(glassPane); }
protected void addImpl(Component comp, Object constraints, int index)
{ super.addImpl(comp, constraints, index); }
public void remove(Component comp)
{ getContentPane().remove(comp); }
protected boolean isRootPaneCheckingEnabled()
{ return checking; }
protected void setRootPaneCheckingEnabled(boolean enabled)
{ checking = enabled; }
public void update(Graphics g)
{ paint(g); }
protected void processKeyEvent(KeyEvent e)
{ super.processKeyEvent(e); }
/////////////////////////////////////////////////////////////////////////////////
AccessibleContext getAccessibleContext()
{ return null; }
int getDefaultCloseOperation()
{ return close_action; }
protected String paramString()
{ return "JFrame"; }
protected void processWindowEvent(WindowEvent e)
{
// System.out.println("PROCESS_WIN_EV-1: " + e);
super.processWindowEvent(e);
// System.out.println("PROCESS_WIN_EV-2: " + e);
switch (e.getID())
{
case WindowEvent.WINDOW_CLOSING:
{
switch(close_action)
{
case EXIT_ON_CLOSE:
{
System.out.println("user requested exit on close");
System.exit(1);
break;
}
case DISPOSE_ON_CLOSE:
{
System.out.println("user requested dispose on close");
dispose();
break;
}
case HIDE_ON_CLOSE:
{
setVisible(false);
break;
}
case DO_NOTHING_ON_CLOSE:
break;
}
break;
}
case WindowEvent.WINDOW_CLOSED:
case WindowEvent.WINDOW_OPENED:
case WindowEvent.WINDOW_ICONIFIED:
case WindowEvent.WINDOW_DEICONIFIED:
case WindowEvent.WINDOW_ACTIVATED:
case WindowEvent.WINDOW_DEACTIVATED:
break;
}
}
void setDefaultCloseOperation(int operation)
{ close_action = operation; }
}
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