basic gui implemented for week11 challenge.

src/Week11/App.java

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+public class App {
+    public static void main(String[] args) {
+        Gui g = new Gui();
+    }
+}

src/Week11/Button.java

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+import javax.swing.JButton;
+import javax.swing.border.EmptyBorder;
+
+import java.awt.Color;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+
+public class Button extends JButton {
+    private boolean selected;
+    private Color bg;
+    private Color fg;
+
+    public Button(String buttonLabel, Color bg, Color fg) {
+        super(buttonLabel);
+            this.bg = bg;
+            this.fg = fg;
+
+        deselect();
+    }
+
+    public void deselect() {
+        selected = false;
+        applyDefaultStyle();
+    }
+
+    public void select() {
+        selected = true;
+        applyFocusedStyle();
+    }
+
+    private void applyDefaultStyle() {
+        setBackground(bg);
+        setForeground(fg);
+    }
+
+    private void applyFocusedStyle() {
+        setBackground(fg);
+        setForeground(bg);
+    }
+
+    private void applyCommon() {
+        addMouseListener(
+                new MouseListener() {
+                    @Override
+                    public void mouseClicked(MouseEvent e) {}
+
+                    @Override
+                    public void mousePressed(MouseEvent e) {}
+
+                    @Override
+                    public void mouseReleased(MouseEvent e) {}
+
+                    @Override
+                    public void mouseEntered(MouseEvent e) {
+                        select();
+                    }
+
+                    @Override
+                    public void mouseExited(MouseEvent e) {
+                        deselect();
+                    }
+                });
+
+        setFocusPainted(false);
+        setBorder(new EmptyBorder(3,3,3,3));
+
+        repaint();
+        revalidate();
+    }
+}

src/Week11/Gui.java

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+import javax.swing.JFrame;
+import javax.swing.UIManager;
+
+import java.awt.Color;
+import java.awt.BorderLayout;
+import java.awt.Dimension;
+
+public class Gui extends JFrame {
+    public Gui() {
+        super("Java Swing Challenge");
+            init();
+
+        add(new Panel(Color.DARK_GRAY, Color.WHITE));
+
+        setVisible(true);
+    }
+
+    private void init() {
+        setDefaultCloseOperation(EXIT_ON_CLOSE);
+        setLayout(new BorderLayout());
+        setSize(new Dimension(750, 550));
+        setResizable(false);
+        setLocationRelativeTo(null);
+
+        try {
+            UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
+        } catch (Exception e) {
+            System.out.println("Error with cross platform look and feel.");
+        }
+    }
+}

src/Week11/Panel.java

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+import javax.swing.JPanel;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+
+public class Panel extends JPanel {
+    private Color bg;
+    private Color fg;
+
+    public Panel(Color bg, Color fg) {
+        super();
+            this.bg = bg;
+            this.fg = fg;
+
+        init();
+    }
+
+    private void init() {
+        setBackground(bg);
+        setForeground(fg);
+
+        add(new Button("Example text", new Color(160, 32, 240), Color.WHITE));
+    }
+}

src/Week11/run

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+#!/bin/zsh
+
+javac *.java
+java App
+
+rm *.class