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package utils;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
/**
* The class VSFrame. All frames of the simulator extend this VSFrame 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 VSFrame 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 VSFrame object.
*
* @param title the title
* @param parent the parent
*/
public VSFrame(String title, Component parent) {
super(title);
init(parent);
}
/**
* Instantiates a new VSFrame object.
*
* @param title the title
*/
public VSFrame(String title) {
super(title);
init(null);
}
/**
* Inits the VSFrame.
*
* @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) {
VSFrame.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();
}
}
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