JAL-3042 don't allow user to change default history length for an input box

diff --git a/src/jalview/io/cache/JvCacheableInputBox.java b/src/jalview/io/cache/JvCacheableInputBox.java
index a837512..beef3e7 100644 (file)
--- a/src/jalview/io/cache/JvCacheableInputBox.java
+++ b/src/jalview/io/cache/JvCacheableInputBox.java
@@ -23,8 +23,6 @@ package jalview.io.cache;
 import jalview.bin.Cache;
 import jalview.util.MessageManager;
 
-import java.awt.Color;
-import java.awt.Dimension;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.event.KeyEvent;
@@ -36,37 +34,22 @@ import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;
 
-import javax.swing.BorderFactory;
 import javax.swing.JComboBox;
-import javax.swing.JLabel;
 import javax.swing.JMenuItem;
-import javax.swing.JPanel;
 import javax.swing.JPopupMenu;
-import javax.swing.JTextField;
 import javax.swing.SwingUtilities;
-import javax.swing.text.AttributeSet;
-import javax.swing.text.BadLocationException;
-import javax.swing.text.PlainDocument;
 
 public class JvCacheableInputBox<E> extends JComboBox<String>
 {
 
   private static final long serialVersionUID = 5774610435079326695L;
 
-  private static final int INPUT_LIMIT = 2;
-
   private static final int LEFT_BOARDER_WIDTH = 16;
 
   private String cacheKey;
 
   private AppCache appCache;
 
-  private JPanel pnlDefaultCache = new JPanel();
-
-  private JLabel lblDefaultCacheSize = new JLabel();
-
-  private JTextField txtDefaultCacheSize = new JTextField();
-
   private JPopupMenu popup = new JPopupMenu();
 
   private JMenuItem menuItemClearCache = new JMenuItem();
@@ -123,8 +106,8 @@ public class JvCacheableInputBox<E> extends JComboBox<String>
   }
 
   /**
-   * Method for initialising cache items for a given cache key and populating
-   * the in-memory cache with persisted cache items
+   * Method for initialising cache items for a given cache key and populating the
+   * in-memory cache with persisted cache items
    * 
    * @param cacheKey
    */
@@ -144,7 +127,7 @@ public class JvCacheableInputBox<E> extends JComboBox<String>
             .getAllCachedItemsFor(cacheKey);
     if (foundCacheItems == null)
     {
-      foundCacheItems = new LinkedHashSet<String>();
+      foundCacheItems = new LinkedHashSet<>();
     }
     // populate memory cache
     for (String cacheItem : persistedCacheItems)
@@ -159,48 +142,7 @@ public class JvCacheableInputBox<E> extends JComboBox<String>
    */
   private void initCachePopupMenu()
   {
-    pnlDefaultCache.setBackground(Color.WHITE);
-    // pad panel so as to align with other menu items
-    pnlDefaultCache.setBorder(
-            BorderFactory.createEmptyBorder(0, LEFT_BOARDER_WIDTH, 0, 0));
-    txtDefaultCacheSize.setPreferredSize(new Dimension(45, 20));
-    txtDefaultCacheSize.setFont(new java.awt.Font("Verdana", 0, 12));
-    lblDefaultCacheSize
-            .setText(MessageManager.getString("label.default_cache_size"));
-    lblDefaultCacheSize.setFont(new java.awt.Font("Verdana", 0, 12));
-    // Force input to accept only Integer entries up to length - INPUT_LIMIT
-    txtDefaultCacheSize.setDocument(new PlainDocument()
-    {
-      private static final long serialVersionUID = 1L;
-
-      @Override
-      public void insertString(int offs, String str, AttributeSet a)
-              throws BadLocationException
-      {
-        if (getLength() + str.length() <= INPUT_LIMIT && isInteger(str))
-        {
-          super.insertString(offs, str, a);
-        }
-      }
-    });
-    txtDefaultCacheSize.addKeyListener(new java.awt.event.KeyAdapter()
-    {
-      @Override
-      public void keyPressed(KeyEvent e)
-      {
-        if (e.getKeyCode() == KeyEvent.VK_ENTER)
-        {
-          e.consume();
-          updateCache();
-          closePopup();
-        }
-      }
-    });
-
-    txtDefaultCacheSize.setText(appCache.getCacheLimit(cacheKey));
-    pnlDefaultCache.add(lblDefaultCacheSize);
     menuItemClearCache.setFont(new java.awt.Font("Verdana", 0, 12));
-    pnlDefaultCache.add(txtDefaultCacheSize);
     menuItemClearCache
             .setText(MessageManager.getString("action.clear_cached_items"));
     menuItemClearCache.addActionListener(new ActionListener()
@@ -215,18 +157,11 @@ public class JvCacheableInputBox<E> extends JComboBox<String>
       }
     });
 
-    popup.insert(pnlDefaultCache, 0);
     popup.add(menuItemClearCache);
     setComponentPopupMenu(popup);
     add(popup);
   }
 
-  private void closePopup()
-  {
-    popup.setVisible(false);
-    popup.transferFocus();
-  }
-
   /**
    * Answers true if input text is an integer
    * 
@@ -255,10 +190,7 @@ public class JvCacheableInputBox<E> extends JComboBox<String>
       @Override
       public void run()
       {
-        int userLimit = txtDefaultCacheSize.getText().trim().isEmpty()
-                ? Integer.valueOf(AppCache.DEFAULT_LIMIT)
-                : Integer.valueOf(txtDefaultCacheSize.getText());
-        int cacheLimit = appCache.updateCacheLimit(cacheKey, userLimit);
+        int cacheLimit = Integer.parseInt(appCache.getCacheLimit(cacheKey));
         String userInput = getUserInput();
         if (userInput != null && !userInput.isEmpty())
         {
@@ -277,7 +209,7 @@ public class JvCacheableInputBox<E> extends JComboBox<String>
           removeAllItems();
         }
         Set<String> cacheItems = appCache.getAllCachedItemsFor(cacheKey);
-        List<String> reversedCacheItems = new ArrayList<String>();
+        List<String> reversedCacheItems = new ArrayList<>();
         reversedCacheItems.addAll(cacheItems);
         cacheItems = null;
         Collections.reverse(reversedCacheItems);
@@ -326,10 +258,6 @@ public class JvCacheableInputBox<E> extends JComboBox<String>
   public void persistCache()
   {
     appCache.persistCache(cacheKey);
-    int userLimit = txtDefaultCacheSize.getText().trim().isEmpty()
-            ? Integer.valueOf(AppCache.DEFAULT_LIMIT)
-            : Integer.valueOf(txtDefaultCacheSize.getText());
-    appCache.updateCacheLimit(cacheKey, userLimit);
   }
 
   /**