jeditorkeys.java

是一个专门设计用于触摸屏的POS(point of sales)应用软件

//    Tina POS is a point of sales application designed for touch screens.
//    Copyright (C) 2005 Adrian Romero Corchado.
//    http://sourceforge.net/projects/tinapos
//
//    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 2 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, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

package net.adrianromero.editor;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

public class JEditorKeys extends javax.swing.JPanel implements EditorKeys {
    
    private final static char[] SET_DOUBLE = {'\u007f', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '.', '-'};
    private final static char[] SET_DOUBLE_POSITIVE = {'\u007f', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '.'};
    private final static char[] SET_INTEGER = {'\u007f', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-'};
    private final static char[] SET_INTEGER_POSITIVE = {'\u007f', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'};
    
    // private Vector m_Listeners = new Vector();
    
    private EditorComponent editorcurrent ;
    
    private char[] keysavailable;    
    private boolean m_bMinus;
    private boolean m_bKeyDot;
       
    /** Creates new form JEditorKeys */
    public JEditorKeys() {
        initComponents();
        
        m_jKey0.addActionListener(new MyKeyNumberListener('0'));
        m_jKey1.addActionListener(new MyKeyNumberListener('1'));
        m_jKey2.addActionListener(new MyKeyNumberListener('2'));
        m_jKey3.addActionListener(new MyKeyNumberListener('3'));
        m_jKey4.addActionListener(new MyKeyNumberListener('4'));
        m_jKey5.addActionListener(new MyKeyNumberListener('5'));
        m_jKey6.addActionListener(new MyKeyNumberListener('6'));
        m_jKey7.addActionListener(new MyKeyNumberListener('7'));
        m_jKey8.addActionListener(new MyKeyNumberListener('8'));
        m_jKey9.addActionListener(new MyKeyNumberListener('9'));
        m_jKeyDot.addActionListener(new MyKeyNumberListener('.'));
        m_jCE.addActionListener(new MyKeyNumberListener('\u007f'));
        m_jMinus.addActionListener(new MyKeyNumberListener('-'));     
//        m_jBack.addActionListener(new MyKeyNumberListener('\u0008'));  
//        m_jMode.addActionListener(new MyKeyNumberListener('\u0010')); 
        
        editorcurrent = null;
        setMode(MODE_STRING);
        doEnabled(false);
    }
    
    private void doEnabled(boolean b) {
        m_jKey0.setEnabled(b);
        m_jKey1.setEnabled(b);
        m_jKey2.setEnabled(b);
        m_jKey3.setEnabled(b);
        m_jKey4.setEnabled(b);
        m_jKey5.setEnabled(b);
        m_jKey6.setEnabled(b);
        m_jKey7.setEnabled(b);
        m_jKey8.setEnabled(b);
        m_jKey9.setEnabled(b);
        m_jKeyDot.setEnabled(b && m_bKeyDot);
        m_jCE.setEnabled(b);
        m_jMinus.setEnabled(b && m_bMinus);
    }
    
    public void setMode(int iMode) {
        switch (iMode) {
            case MODE_DOUBLE:
                m_bMinus = true;
                m_bKeyDot = true;
                keysavailable = SET_DOUBLE;
                break;
            case MODE_DOUBLE_POSITIVE:
                m_bMinus = false;
                m_bKeyDot = true;
                keysavailable = SET_DOUBLE_POSITIVE;
                break;
            case MODE_INTEGER:
                m_bMinus = true;
                m_bKeyDot = false;
                keysavailable = SET_INTEGER;
                break;
            case MODE_INTEGER_POSITIVE:
                m_bMinus = false;
                m_bKeyDot = false;
                keysavailable = SET_INTEGER_POSITIVE;
                break;
            case MODE_STRING:
            default:
                m_bMinus = true;
                m_bKeyDot = true;
                keysavailable = null;
                break;                                
        }
    }
 
//    public void addJNumberEventListener(JNumberEventListener listener) {
//        m_Listeners.add(listener);
//    }
//    public void removeJNumberEventListener(JNumberEventListener listener) {
//        m_Listeners.remove(listener);
//    }
    
    private class MyKeyNumberListener implements java.awt.event.ActionListener {
        
        private char m_cCad;
        
        public MyKeyNumberListener(char cCad){
            m_cCad = cCad;
        }
        public void actionPerformed(java.awt.event.ActionEvent evt) {
                     
            // como contenedor de editores
            if (editorcurrent != null) {
                editorcurrent.transChar(m_cCad);
            }
        }
    }  
    
    public void setActive(EditorComponent e, int iMode) {
       
        if (editorcurrent != null) {
            editorcurrent.deactivate();
        }        
        editorcurrent = e;  // e != null    
        setMode(iMode);
        doEnabled(true);
        
        // activo la cajita.
        m_txtKeys.setText(null);       
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                m_txtKeys.requestFocus();
            }
        });          
    }
    
    public void setInactive(EditorComponent e) {
        
        if (e == editorcurrent && editorcurrent != null) { // e != null
            editorcurrent.deactivate();
            editorcurrent = null;
            setMode(MODE_STRING);
            doEnabled(false);
        }        
    }
   
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
    private void initComponents() {
        java.awt.GridBagConstraints gridBagConstraints;

        m_jKey0 = new javax.swing.JButton();
        m_jKey1 = new javax.swing.JButton();
        m_jKey4 = new javax.swing.JButton();
        m_jKey7 = new javax.swing.JButton();
        m_jCE = new javax.swing.JButton();
        m_jMinus = new javax.swing.JButton();
        m_jKey9 = new javax.swing.JButton();
        m_jKey8 = new javax.swing.JButton();
        m_jKey5 = new javax.swing.JButton();
        m_jKey6 = new javax.swing.JButton();
        m_jKey3 = new javax.swing.JButton();
        m_jKey2 = new javax.swing.JButton();
        m_jKeyDot = new javax.swing.JButton();
        m_txtKeys = new javax.swing.JTextField();

        setLayout(new java.awt.GridBagLayout());

        setBorder(javax.swing.BorderFactory.createEmptyBorder(5, 5, 5, 5));
        m_jKey0.setIcon(new javax.swing.ImageIcon(getClass().getResource("/net/adrianromero/images/btn0.png")));
        m_jKey0.setFocusPainted(false);
        m_jKey0.setFocusable(false);
        m_jKey0.setMargin(new java.awt.Insets(8, 16, 8, 16));
        m_jKey0.setRequestFocusEnabled(false);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 4;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(5, 0, 0, 0);
        add(m_jKey0, gridBagConstraints);

        m_jKey1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/net/adrianromero/images/btn1.png")));
        m_jKey1.setFocusPainted(false);
        m_jKey1.setFocusable(false);
        m_jKey1.setMargin(new java.awt.Insets(8, 16, 8, 16));
        m_jKey1.setRequestFocusEnabled(false);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 3;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(5, 0, 0, 0);
        add(m_jKey1, gridBagConstraints);

        m_jKey4.setIcon(new javax.swing.ImageIcon(getClass().getResource("/net/adrianromero/images/btn4a.png")));
        m_jKey4.setFocusPainted(false);
        m_jKey4.setFocusable(false);
        m_jKey4.setMargin(new java.awt.Insets(8, 16, 8, 16));