/*
 * NMRFx Processor : A Program for Processing NMR Data 
 * Copyright (C) 2004-2017 One Moon Scientific, Inc., Westfield, N.J., USA
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

 /*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package org.nmrfx.processor.gui;

/**
 *
 * @author brucejohnson
 */
public class KeyMonitor {

    long lastTime = 0;
    long timeOut = 3000;
    StringBuilder keyString = new StringBuilder();
    boolean complete = false;

    public void storeKey(String ch) {
        long time = System.currentTimeMillis();
        if (lastTime == 0) {
            lastTime = time;
        }
        long duration = time - lastTime;
        lastTime = time;
        if (duration > timeOut) {
            keyString.setLength(0);
        }
        keyString.append(ch);
    }

    public String getKeyString() {
        return keyString.toString();
    }

    public void clear() {
        keyString.setLength(0);
        complete = false;
    }

    public void complete() {
        complete = true;
    }

    public boolean isComplete() {
        return complete;
    }

}
