001/* 002 * (C) Copyright 2006-2010 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * bstefanescu 016 */ 017package org.nuxeo.shell.swing.widgets; 018 019import java.awt.event.KeyEvent; 020import java.util.List; 021 022import javax.swing.JTextField; 023import javax.swing.event.DocumentEvent; 024import javax.swing.event.DocumentListener; 025 026import org.nuxeo.shell.swing.Console; 027 028/** 029 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a> 030 */ 031@SuppressWarnings("serial") 032public class HistoryFinder extends JTextField implements DocumentListener { 033 034 protected Console console; 035 036 public HistoryFinder(Console console) { 037 this.console = console; 038 getDocument().addDocumentListener(this); 039 } 040 041 @Override 042 protected void processComponentKeyEvent(KeyEvent e) { 043 int code = e.getKeyCode(); 044 if (code == KeyEvent.VK_ENTER) { 045 setVisible(false); 046 getParent().validate(); 047 console.requestFocus(); 048 e.consume(); 049 } else if (code == KeyEvent.VK_ESCAPE) { 050 console.getCmdLine().setText(""); 051 setVisible(false); 052 getParent().validate(); 053 console.requestFocus(); 054 e.consume(); 055 } 056 } 057 058 @SuppressWarnings("unchecked") 059 public String getMatch() { 060 String text = getText(); 061 List<String> list = console.getHistory().getHistoryList(); 062 for (int i = list.size() - 1; i >= 0; i--) { 063 String entry = list.get(i); 064 int k = entry.indexOf(text); 065 if (k > -1) { 066 return entry; 067 } 068 } 069 return null; 070 } 071 072 public void changedUpdate(DocumentEvent e) { 073 String text = getMatch(); 074 if (text != null) { 075 console.getCmdLine().setText(text); 076 } 077 } 078 079 public void insertUpdate(DocumentEvent e) { 080 changedUpdate(e); 081 } 082 083 public void removeUpdate(DocumentEvent e) { 084 changedUpdate(e); 085 } 086 087}