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/*
 *  MTextField.java
 *  
 *  Created on May 6, 2009, 7:41:06 PM
 *  
 *  Copyright (c) 2009 Martinus Ady H <mrt.itnewbies@gmail.com>. All rights reserved.
 *  http://martinusadyh.web.id/
 * 
 *                                BSD LICENSE
 *  ============================================================================
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 * 
 *   o Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 * 
 *   o Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 * 
 *   o The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 * 
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 *  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 *  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 *  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 *  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 *  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 *  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package id.web.martinusadyh.text;

import java.awt.Component;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.Serializable;
import javax.swing.KeyStroke;
import javax.swing.text.Document;

/**
 *
 * @author martin
 */
public class MTextField extends javax.swing.JTextField implements Serializable {

    private final String BAD_CHARS = "`~!@#$%^&*()_+=\\|\"':;?/>.<, ";
    private static final long serialVersionUID = 1L;
    private KeyStroke nextComponentHandler;
    private Component nextComponent;
    private int maximumChar = 0;
    private boolean numericOnly = false;

    public MTextField(Document doc, String text, int columns) {
        super(doc, text, columns);
        addActionHandler();
    }

    public MTextField(String text, int columns) {
        super(text, columns);
    }

    public MTextField(int columns) {
        super(columns);
    }

    public MTextField(String text) {
        super(text);
    }

    public MTextField() {
        addActionHandler();
    }

    private void addActionHandler() {
        addKeyListener(new NextComponentHandler());
    }

    public Component getNextComponent() {
        return nextComponent;
    }

    public void setNextComponent(Component nextComponent) {
        this.nextComponent = nextComponent;
    }

    public KeyStroke getNextComponentHandler() {
        return nextComponentHandler;
    }

    public void setNextComponentHandler(KeyStroke nextComponentHandler) {
        this.nextComponentHandler = nextComponentHandler;
    }

    public int getMaximumChar() {
        return maximumChar;
    }

    public void setMaximumChar(int maximumChar) {
        this.maximumChar = maximumChar;
    }

    public boolean isNumericOnly() {
        return numericOnly;
    }

    public void setNumericOnly(boolean numericOnly) {
        this.numericOnly = numericOnly;
    }

    ////////////////////////////////////////////////////////////////////////////
    // NextComponentHandler ini digunakan untuk memindahkan focus sekarang ke
    // komponen selanjutnya berdasarkan KeyStroke yang diberikan oleh client
    // melalui method setNextComponentHandler();
    ///////////////////////////////////////////////////////////////////////////
    protected class NextComponentHandler implements KeyListener {
        public void keyTyped(KeyEvent e) {
            if (maximumChar >= 1) {
                if (getText().length() + 1 > getMaximumChar()) {
                    e.consume();
                }
            }

            if (isNumericOnly()) {
                if (!Character.isDigit(e.getKeyChar()) ||
                        BAD_CHARS.indexOf(e.getKeyChar()) > -1) {
                    e.consume();
                }
            }
        }

        public void keyReleased(KeyEvent e) {
        }

        public void keyPressed(KeyEvent e) {
            if (nextComponentHandler != null && nextComponent != null) {
                if (e.getKeyCode() == nextComponentHandler.getKeyCode()) {
                    nextComponent.requestFocusInWindow();
                }
            }
        }
    }
}