?? exitdialog.java
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package net.sfte.htlibrary.ui;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import net.sfte.htlibrary.util.HtLibraryAuthorInfo;
/**
* This class defines the exit dialog of htlibrary. User can choose exit, switch
* user, cancel or hang up.
*
* @author wenwen
*/
public class ExitDialog extends JPanel {
/**
*
*/
private static final long serialVersionUID = 1L;
public ExitDialog() {
exitButton = new JButton("直接退出", new ImageIcon("images/exit.png"));
cancelButton = new JButton("取消返回", new ImageIcon("images/cancel.png"));
switchButton = new JButton("切換用戶", new ImageIcon("images/switch.png"));
hangupButton = new JButton("離開掛起", new ImageIcon("images/hangup.png"));
exitButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
cancelButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
dialog.setVisible(false);
}
});
switchButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
dialog.setVisible(false);
if (switchDialog == null)
switchDialog = new LoginDialog("請輸入另一個(gè)管理員帳號", 2);
switchDialog.showDialog(ExitDialog.this, "切換用戶");
}
});
hangupButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
dialog.setVisible(false);
if (hangupDialog == null)
hangupDialog = new LoginDialog(
"<html>" + HtLibraryAuthorInfo.getLibraryFullName()
+ "正在運(yùn)行且</p>已被鎖定, "
+ "只能由管理員進(jìn)行解除</html>", 1);
hangupDialog.showDialog(ExitDialog.this, "離開掛起");
}
});
add(exitButton);
add(cancelButton);
add(switchButton);
add(hangupButton);
setBorder(BorderFactory.createEtchedBorder());
}
private JButton exitButton;
private JButton switchButton;
private JButton cancelButton;
private JButton hangupButton;
private JDialog dialog = null;
private LoginDialog switchDialog = null;
private LoginDialog hangupDialog = null;
public void showDialog(Component parent) {
Frame owner = null;
if (parent instanceof Frame)
owner = (Frame) parent;
else
owner = (Frame) SwingUtilities.getAncestorOfClass(Frame.class,
parent);
if (dialog == null || dialog.getOwner() != owner) {
dialog = new JDialog(owner, true);
dialog.add(this);
dialog.getRootPane().setDefaultButton(cancelButton);
dialog.pack();
}
dialog.setTitle("退出提示");
dialog.setSize(300, 130);
dialog.setResizable(false);
// set the Location of this dialog to the center
Toolkit kit = Toolkit.getDefaultToolkit();
Dimension size = kit.getScreenSize();
int width = size.width;
int height = size.height;
dialog.setLocation((width - dialog.getWidth()) / 2, (height - dialog
.getHeight()) / 2);
dialog.setVisible(true);
}
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