fix selection highlight not being marked

src/com/bytezone/diskbrowser/dos/CatalogEntry.java

@@ -25,8 +25,9 @@ class CatalogEntry extends AbstractCatalogEntry
           dosDisk.sectorTypes[da.getBlock ()] = dosDisk.tsListSector;
         else
         {
-          System.out.print ("Attempt to assign TS sector to occupied sector : " + da);
-          System.out.println (" from " + name);
+          System.out.printf ("Attempt to assign TS sector to occupied sector "
+              + ": %s from %s%n", da, name);
+          break;
         }
         tsSectors.add (da);
         byte[] sectorBuffer = disk.readSector (da);

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

@@ -101,7 +101,6 @@ class DiskLayoutImage extends JPanel implements Scrollable, RedoListener
 
     int maxBlock = gw * gh;
     Disk d = disk.getDisk ();
-    List<DiskAddress> selectedBlocks = selectionHandler.getHighlights ();
 
     // this stops an index error when using alt-5 to switch to 512-byte blocks
     //    if (maxBlock > d.getTotalBlocks ())
@@ -116,8 +115,8 @@ class DiskLayoutImage extends JPanel implements Scrollable, RedoListener
         {
           DiskAddress da = d.getDiskAddress (blockNo);
           boolean flag = showFreeSectors && disk.isSectorFree (da);
-          boolean selected = selectedBlocks.contains (da);
-          drawBlock ((Graphics2D) g, blockNo, x, y, flag, selected);
+          drawBlock ((Graphics2D) g, blockNo, x, y, flag,
+                     selectionHandler.isSelected (da));
         }
       }
   }

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

@@ -126,6 +126,14 @@ class DiskLayoutSelection implements Iterable<DiskAddress>
     return new ArrayList<DiskAddress> (highlights);
   }
 
+  public boolean isSelected (DiskAddress da)
+  {
+    for (DiskAddress selection : highlights)
+      if (selection.compareTo (da) == 0)
+        return true;
+    return false;
+  }
+
   public void setSelection (List<DiskAddress> list)
   {
     highlights.clear ();

src/com/bytezone/diskbrowser/visicalc/Or.java

@@ -2,7 +2,6 @@ package com.bytezone.diskbrowser.visicalc;
 
 class Or extends Function
 {
-
   public Or (Sheet parent, String text)
   {
     super (parent, text);