sort highlighter selection

mobile/src/com/cradle/iitc_mobile/IITC_ActionBarHelper.java

@@ -7,6 +7,8 @@ import android.preference.PreferenceManager;
 import android.widget.ArrayAdapter;
 import android.widget.Toast;
 
+import java.util.Comparator;
+
 public class IITC_ActionBarHelper implements OnNavigationListener {
     // Show/hide the up arrow on the very left
     // getActionBar().setDisplayHomeAsUpEnabled(enabled);
@@ -21,6 +23,19 @@ public class IITC_ActionBarHelper implements OnNavigationListener {
     // getActionBar().setHomeButtonEnabled(enabled);
 
     private class HighlighterAdapter extends ArrayAdapter<String> {
+
+        // Move "No Highlights" on top. Sort the rest alphabetically
+        private class HighlighterComparator implements Comparator<String> {
+            @Override
+            public int compare(String lhs, String rhs) {
+                if (lhs.equals("No Highlights")) return -1000;
+                else if (rhs.equals("No Highlights")) return 1000;
+                else return lhs.compareTo(rhs);
+            }
+        }
+
+        private HighlighterComparator mComparator = new HighlighterComparator();
+
         public HighlighterAdapter() {
             super(mIitc, android.R.layout.simple_list_item_1);
             clear();
@@ -30,6 +45,7 @@ public class IITC_ActionBarHelper implements OnNavigationListener {
         public void add(String object) {
             super.remove(object); // to avoid duplicates
             super.add(object);
+            super.sort(mComparator);
         }
 
         @Override