/* JSMSTrade v0.3
 * Copyright (c) 2008, 2009 Dipl.-Inform. (FH) Paul C. Buetow
 * jsmstrade@dev.buetow.org - https://codeberg.org/snonux/jsmstrade
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * All icons of the icons/ folder are 	under a Creative Commons
 * Attribution-Noncommercial-Share Alike License a CC-by-nc-sa.
 */

package smstrade;

import java.awt.*;
import java.awt.event.*;
import javax.swing.JFrame;

/**
 * The class SFrame. All frames of the tool extend this SFrame class.
 * This class makes sure that all 'subwindows' get closed if its parent gets
 * closed. And it also makes sure to open new windows relative to its parent.
 *
 * @author Paul C. Buetow
 */
public class SFrame extends JFrame {
    /** The serial version uid */
    private static final long serialVersionUID = 1L;

    /** The Constant X_LOCATION_OFFSET. */
    private final static int X_LOCATION_OFFSET = 40;

    /** The Constant Y_LOCATION_OFFSET. */
    private final static int Y_LOCATION_OFFSET = 80;

    /** The parent window/component. */
    private Component parent;

    /** True, if the current window will get disposed with its parent.  */
    private boolean dispose;

    /**
     * Instantiates a SFrame object.
     *
     * @param title the title
     * @param parent the parent
     */
    public SFrame(String title, Component parent) {
        super(title);
        init(parent);
    }

    /**
     * Instantiates a new SFrame object.
     *
     * @param title the title
     */
    public SFrame(String title) {
        super(title);
        init(null);
    }

    /**
     * Inits the SFrame.
     *
     * @param parent the parent
     */
    private void init(Component parent) {
        this.parent = parent;
        this.dispose = false;
    }

    /**
     * Dispose with its parent.
     */
    public void disposeWithParent() {
        if (!dispose && parent != null && parent instanceof Window) {
            Window window = (Window) parent;
            window.addWindowListener(new WindowAdapter() {
                public void windowClosed(WindowEvent we) {
                    SFrame.this.dispose();
                }
            });
        }
        dispose = true;
    }

    /**
     * Sets the correct location of the window.
     */
    private void setCorrectLocation() {
        int x = 0, y = 0;
        final Dimension screenSize =
            Toolkit.getDefaultToolkit().getScreenSize();

        if (parent == null) {
            x = (int) (screenSize.width - getWidth()) / 2;
            y = 50;//(int) (screenSize.height - getHeight()) / 2;

        } else {
            final Point location = parent.getLocation();
            x = (int) location.getX() + X_LOCATION_OFFSET;
            y = (int) location.getY() + Y_LOCATION_OFFSET;
        }

        if (x + super.getWidth() >= screenSize.width)
            x = screenSize.width - super.getWidth();
        else if (x < 0)
            x = 0;

        if (y + super.getHeight() >= screenSize.height)
            y = screenSize.height - super.getHeight();

        super.setLocation(x, y);
    }

    /* (non-Javadoc)
     * @see java.awt.Window#setSize(int, int)
     */
    public void setSize(int width, int height) {
        super.setSize(width, height);
        setCorrectLocation();
    }
}