centereddialog.java

java 调用windows的api

package org.jawin.browser.dialog;

import javax.swing.JDialog;
import java.awt.*;

/**
 * A dialog that centers itself on show
 *
 * <p>Title: Jawin Code Generation GUI</p>
 * <p>Description: GUI for exploring type libraries and generating Java code</p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: Open Source Incentive</p>
 * @author Josh Passenger
 * @version 1.0
 */

public class CenteredDialog extends JDialog
{
	public static final Dimension BUTTON_DIMENSION = new Dimension(75, 27);

	public CenteredDialog()
	{
		super();
	}

	public CenteredDialog(Frame owner)
	{
		super(owner);
	}

	public CenteredDialog(Frame owner, boolean modal)
	{
		super(owner, modal);
	}

	public CenteredDialog(Frame owner, String title, boolean modal)
	{
		super(owner, title, modal);
	}

	public CenteredDialog(Dialog owner, String title, boolean modal)
	{
		super(owner, title, modal);
	}

	public CenteredDialog(Frame owner, String title)
	{
		super(owner, title);
	}

	public void center()
	{
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		Dimension dialogSize = getSize();

		if (dialogSize.height > screenSize.height)
		{
			dialogSize.height = screenSize.height;
		}

		if (dialogSize.width > screenSize.width)
		{
			dialogSize.width = screenSize.width;
		}

		setLocation((screenSize.width - dialogSize.width) / 2, (screenSize.height - dialogSize.height) / 2);
	}

	public void show()
	{
		center();
		super.show();
	}
}