+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
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.KeyAdapter;
+import java.awt.event.KeyEvent;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.Collections;
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 LEFT_BOARDER_WIDTH = 16;
+
private String cacheKey;
private AppCache appCache;
- JPanel pnlDefaultCache = new JPanel();
-
- JLabel lblDefaultCacheSize = new JLabel();
-
- JTextField txtDefaultCacheSize = new JTextField();
+ private JPopupMenu popup = new JPopupMenu();
- JPopupMenu popup = new JPopupMenu();
+ private JMenuItem menuItemClearCache = new JMenuItem();
- JMenuItem menuItemClearCache = new JMenuItem();
-
- final static int INPUT_LIMIT = 2;
+ volatile boolean enterWasPressed = false;
+ /**
+ * @return flag indicating if the most recent keypress was enter
+ */
+ public boolean wasEnterPressed()
+ {
+ return enterWasPressed;
+ }
- public JvCacheableInputBox(String cacheKey)
+ /**
+ * Constructor given the key to cached values, and the (approximate) length in
+ * characters of the input field
+ *
+ * @param newCacheKey
+ * @param length
+ */
+ public JvCacheableInputBox(String newCacheKey, int length)
{
super();
- this.cacheKey = cacheKey;
+ this.cacheKey = newCacheKey;
setEditable(true);
- setPrototypeDisplayValue("XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
+ addKeyListener(new KeyAdapter()
+ {
+
+ @Override
+ public void keyTyped(KeyEvent e)
+ {
+ enterWasPressed = false;
+ if (e.getKeyCode() == KeyEvent.VK_ENTER)
+ {
+ enterWasPressed = true;
+ }
+ // let event bubble up
+ }
+ });
+ if (length > 0)
+ {
+ StringBuilder sb = new StringBuilder();
+ for (int i = 0; i < length; i++)
+ {
+ sb.append("X");
+ }
+ setPrototypeDisplayValue(sb.toString());
+ }
appCache = AppCache.getInstance();
initCachePopupMenu();
- appCache.initCache(cacheKey);
+ initCache(newCacheKey);
updateCache();
}
+ /**
+ * Method for initialising cache items for a given cache key and populating the
+ * in-memory cache with persisted cache items
+ *
+ * @param cacheKey
+ */
+ private void initCache(String cacheKey)
+ {
+ // obtain persisted cache items from properties file as a delimited string
+ String delimitedCacheStr = Cache.getProperty(cacheKey);
+ if (delimitedCacheStr == null || delimitedCacheStr.isEmpty())
+ {
+ return;
+ }
+ // convert delimited cache items to a list of strings
+ List<String> persistedCacheItems = Arrays
+ .asList(delimitedCacheStr.split(AppCache.CACHE_DELIMITER));
+
+ LinkedHashSet<String> foundCacheItems = appCache
+ .getAllCachedItemsFor(cacheKey);
+ if (foundCacheItems == null)
+ {
+ foundCacheItems = new LinkedHashSet<>();
+ }
+ // populate memory cache
+ for (String cacheItem : persistedCacheItems)
+ {
+ foundCacheItems.add(cacheItem);
+ }
+ appCache.putCache(cacheKey, foundCacheItems);
+ }
/**
* Initialise this cache's pop-up menu
*/
private void initCachePopupMenu()
{
- pnlDefaultCache.setBackground(Color.WHITE);
- // pad panel so as to align with other menu items
- pnlDefaultCache.setBorder(BorderFactory.createEmptyBorder(0, 19, 0, 0));
- txtDefaultCacheSize.setPreferredSize(new Dimension(45, 20));
- lblDefaultCacheSize.setText(MessageManager
- .getString("label.default_cache_size"));
- // 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.setText(appCache.getCacheLmit(cacheKey));
- pnlDefaultCache.add(lblDefaultCacheSize);
- pnlDefaultCache.add(txtDefaultCacheSize);
- menuItemClearCache.setText(MessageManager
- .getString("action.clear_cached_items"));
+ menuItemClearCache.setFont(new java.awt.Font("Verdana", 0, 12));
+ menuItemClearCache
+ .setText(MessageManager.getString("action.clear_cached_items"));
menuItemClearCache.addActionListener(new ActionListener()
{
@Override
}
});
- popup.insert(pnlDefaultCache, 0);
popup.add(menuItemClearCache);
setComponentPopupMenu(popup);
add(popup);
@Override
public void run()
{
- int cacheLimit = appCache.updateCacheLimit(cacheKey,
- txtDefaultCacheSize.getText());
+ int cacheLimit = Integer.parseInt(appCache.getCacheLimit(cacheKey));
String userInput = getUserInput();
if (userInput != null && !userInput.isEmpty())
{
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);
});
}
-
/**
* This method should be called to persist the in-memory cache when this
* components parent frame is closed / exited
public void persistCache()
{
appCache.persistCache(cacheKey);
- appCache.updateCacheLimit(cacheKey, txtDefaultCacheSize.getText());
}
/**
*/
public String getUserInput()
{
- return getEditor().getItem() == null ? "" : getEditor().getItem()
- .toString().trim();
+ return getEditor().getItem() == null ? ""
+ : getEditor().getItem().toString().trim();
}
}
git://source.jalview.org / jalview.git / blobdiff