From 1d99762c7965d351510cfb5e08eac25e48d96038 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Fri, 6 Jun 2025 08:02:52 +0300
Subject: Modernize project structure, update Maven config, move sources, add
 logging config, update README and .gitignore

---
 src/main/java/utils/VSFrame.java | 118 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 src/main/java/utils/VSFrame.java

(limited to 'src/main/java/utils/VSFrame.java')

diff --git a/src/main/java/utils/VSFrame.java b/src/main/java/utils/VSFrame.java
new file mode 100644
index 0000000..818a72d
--- /dev/null
+++ b/src/main/java/utils/VSFrame.java
@@ -0,0 +1,118 @@
+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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