extracted ImagePanel from DataPanel

src/com/bytezone/diskbrowser/gui/DataPanel.java

@@ -1,13 +1,7 @@
 package com.bytezone.diskbrowser.gui;
 
-import java.awt.Color;
-import java.awt.Dimension;
 import java.awt.Font;
-import java.awt.Graphics;
-import java.awt.Graphics2D;
 import java.awt.Insets;
-import java.awt.RenderingHints;
-import java.awt.geom.AffineTransform;
 import java.awt.image.BufferedImage;
 import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
@@ -17,7 +11,6 @@ import java.util.List;
 import javax.swing.AbstractButton;
 import javax.swing.ButtonGroup;
 import javax.swing.JCheckBoxMenuItem;
-import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.JTabbedPane;
 import javax.swing.JTextArea;
@@ -50,7 +43,6 @@ public class DataPanel extends JTabbedPane
 // -----------------------------------------------------------------------------------//
 {
   private static final int TEXT_WIDTH = 65;
-  private static final int BACKGROUND = 245;
 
   private final JTextArea formattedText;
   private final JTextArea hexText;
@@ -77,6 +69,7 @@ public class DataPanel extends JTabbedPane
   DebuggingAction debuggingAction = new DebuggingAction ();
   MonochromeAction monochromeAction = new MonochromeAction ();
   ColourQuirksAction colourQuirksAction = new ColourQuirksAction ();
+  LineWrapAction lineWrapAction = new LineWrapAction ();
 
   enum TabType
   {
@@ -158,9 +151,8 @@ public class DataPanel extends JTabbedPane
       }
     });
 
-    LineWrapAction lineWrapAction = new LineWrapAction ();
     menuHandler.lineWrapItem.setAction (lineWrapAction);
-    lineWrapAction.addListener (formattedText);
+    lineWrapAction.addPropertyChangeListener (this);
 
     colourQuirksAction.addPropertyChangeListener (this);
     menuHandler.colourQuirksItem.setAction (colourQuirksAction);
@@ -223,6 +215,8 @@ public class DataPanel extends JTabbedPane
       setMonochrome ((Boolean) evt.getNewValue ());
     else if (evt.getSource () == colourQuirksAction)
       setColourQuirks ((Boolean) evt.getNewValue ());
+    else if (evt.getSource () == lineWrapAction)
+      setLineWrap ((Boolean) evt.getNewValue ());
   }
 
   // ---------------------------------------------------------------------------------//
@@ -435,71 +429,6 @@ public class DataPanel extends JTabbedPane
     textArea.setCaretPosition (0);
   }
 
-  // ---------------------------------------------------------------------------------//
-  private class ImagePanel extends JPanel
-  // ---------------------------------------------------------------------------------//
-  {
-    private BufferedImage image;
-    private double scale = 1;
-    private double userScale = .5;
-
-    public ImagePanel ()
-    {
-      this.setBackground (new Color (BACKGROUND, BACKGROUND, BACKGROUND));
-    }
-
-    private void setScale (double scale)
-    {
-      this.userScale = scale;
-    }
-
-    private void setImage (BufferedImage image)
-    {
-      this.image = image;
-      int width, height;
-
-      if (image != null)
-      {
-        Graphics2D g2 = image.createGraphics ();
-        g2.setRenderingHint (RenderingHints.KEY_ANTIALIASING,
-            RenderingHints.VALUE_ANTIALIAS_ON);
-        width = image.getWidth ();
-        height = image.getHeight ();
-      }
-      else
-        width = height = 0;
-
-      if (true)
-      {
-        if (width < 400 && width > 0)
-          scale = (400 - 1) / width + 1;
-        else
-          scale = 1;
-        if (scale > 4)
-          scale = 4;
-      }
-
-      scale *= userScale;
-
-      setPreferredSize (new Dimension ((int) (width * scale), (int) (height * scale)));
-      repaint ();
-    }
-
-    @Override
-    public void paintComponent (Graphics g)
-    {
-      super.paintComponent (g);
-
-      if (image != null)
-      {
-        Graphics2D g2 = ((Graphics2D) g);
-        g2.transform (AffineTransform.getScaleInstance (scale, scale));
-        g2.drawImage (image,
-            (int) ((getWidth () - image.getWidth () * scale) / 2 / scale), 4, this);
-      }
-    }
-  }
-
   // ---------------------------------------------------------------------------------//
   @Override
   public void diskSelected (DiskSelectedEvent event)

src/com/bytezone/diskbrowser/gui/ImagePanel.java

@@ -0,0 +1,86 @@
+package com.bytezone.diskbrowser.gui;
+
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.geom.AffineTransform;
+import java.awt.image.BufferedImage;
+
+import javax.swing.JPanel;
+
+// -----------------------------------------------------------------------------------//
+public class ImagePanel extends JPanel
+// -----------------------------------------------------------------------------------//
+{
+  private static final int BACKGROUND = 245;
+
+  private BufferedImage image;
+  private double scale = 1;
+  private double userScale = .5;
+
+  // ---------------------------------------------------------------------------------//
+  public ImagePanel ()
+  // ---------------------------------------------------------------------------------//
+  {
+    this.setBackground (new Color (BACKGROUND, BACKGROUND, BACKGROUND));
+  }
+
+  // ---------------------------------------------------------------------------------//
+  void setScale (double scale)
+  // ---------------------------------------------------------------------------------//
+  {
+    this.userScale = scale;
+  }
+
+  // ---------------------------------------------------------------------------------//
+  void setImage (BufferedImage image)
+  // ---------------------------------------------------------------------------------//
+  {
+    this.image = image;
+    int width, height;
+
+    if (image != null)
+    {
+      Graphics2D g2 = image.createGraphics ();
+      g2.setRenderingHint (RenderingHints.KEY_ANTIALIASING,
+          RenderingHints.VALUE_ANTIALIAS_ON);
+      width = image.getWidth ();
+      height = image.getHeight ();
+    }
+    else
+      width = height = 0;
+
+    if (true)
+    {
+      if (width < 400 && width > 0)
+        scale = (400 - 1) / width + 1;
+      else
+        scale = 1;
+      if (scale > 4)
+        scale = 4;
+    }
+
+    scale *= userScale;
+
+    setPreferredSize (new Dimension ((int) (width * scale), (int) (height * scale)));
+    repaint ();
+  }
+
+  // ---------------------------------------------------------------------------------//
+  @Override
+  public void paintComponent (Graphics g)
+  // ---------------------------------------------------------------------------------//
+  {
+    super.paintComponent (g);
+
+    if (image != null)
+    {
+      Graphics2D g2 = ((Graphics2D) g);
+      g2.transform (AffineTransform.getScaleInstance (scale, scale));
+      g2.drawImage (image, (int) ((getWidth () - image.getWidth () * scale) / 2 / scale),
+          4, this);
+    }
+  }
+}

src/com/bytezone/diskbrowser/gui/LineWrapAction.java

@@ -2,45 +2,33 @@ package com.bytezone.diskbrowser.gui;
 
 import java.awt.event.ActionEvent;
 import java.awt.event.KeyEvent;
-import java.util.ArrayList;
-import java.util.List;
 
 import javax.swing.AbstractAction;
 import javax.swing.Action;
 import javax.swing.JMenuItem;
-import javax.swing.JTextArea;
 import javax.swing.KeyStroke;
 
 // -----------------------------------------------------------------------------------//
 class LineWrapAction extends AbstractAction
 // -----------------------------------------------------------------------------------//
 {
-  List<JTextArea> listeners = new ArrayList<> ();
-
   // ---------------------------------------------------------------------------------//
   public LineWrapAction ()
   // ---------------------------------------------------------------------------------//
   {
     super ("Line wrap");
-    putValue (Action.SHORT_DESCRIPTION, "Print the contents of the output panel");
+
+    putValue (Action.SHORT_DESCRIPTION, "Wrap/don't wrap the text in the output panel");
     putValue (Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke ("alt W"));
     putValue (Action.MNEMONIC_KEY, KeyEvent.VK_W);
   }
 
-  // ---------------------------------------------------------------------------------//
-  public void addListener (JTextArea listener)
-  // ---------------------------------------------------------------------------------//
-  {
-    if (!listeners.contains (listener))
-      listeners.add (listener);
-  }
-
   // ---------------------------------------------------------------------------------//
   @Override
   public void actionPerformed (ActionEvent e)
   // ---------------------------------------------------------------------------------//
   {
-    for (JTextArea listener : listeners)
-      listener.setLineWrap (((JMenuItem) e.getSource ()).isSelected ());
+    firePropertyChange (e.getActionCommand (), null,
+        ((JMenuItem) e.getSource ()).isSelected ());
   }
 }