Here you can find the source of setUpCycle(JComponent comp, int key)
Parameter | Description |
---|---|
comp | component want to up-cycle from |
key | the keyboard key that want to use to up-cycle |
public static void setUpCycle(JComponent comp, int key)
//package com.java2s; /*// ww w .j a v a 2s. co m Strandz LGPL - an API that matches the user to the data. Copyright (C) 2007 Chris Murphy Strandz LGPL is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA The authors can be contacted via www.strandz.org */ import javax.swing.JComponent; import java.awt.AWTKeyStroke; import java.awt.KeyboardFocusManager; import java.util.HashSet; import java.util.Set; public class Main { /** * Set the up-cycle key for a particular component * As they said in the book (pg 1108), due to a note you have * to press the key twice. * * @param comp component want to up-cycle from * @param key the keyboard key that want to use to up-cycle */ public static void setUpCycle(JComponent comp, int key) { /* java.util.Set upKeys = new java.util.HashSet(1); upKeys.add( AWTKeyStroke.getAWTKeyStroke( key, 0)); comp.setFocusTraversalKeys( KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS, upKeys); */ // Set upKeys = comp.getFocusTraversalKeys(KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS); Set newUpKeys = new HashSet(upKeys); newUpKeys.add(AWTKeyStroke.getAWTKeyStroke(key, 0)); comp.setFocusTraversalKeys(KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS, newUpKeys); } }