resourcesview.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.tpv.admin;

import javax.swing.*;
import net.adrianromero.tpv.forms.AppLocal;
import java.awt.CardLayout;
import net.adrianromero.basic.BasicException;
import net.adrianromero.data.gui.ComboBoxValModel;
import net.adrianromero.data.loader.ImageUtils;
import net.adrianromero.data.user.EditorItem;
import net.adrianromero.data.user.EditorRecordBasic;
import net.adrianromero.data.user.EditorView;
import net.adrianromero.tpv.util.Base64;

public class ResourcesView extends JPanel implements EditorView {
    
    private ComboBoxValModel m_ResourceModel;
    
        
    /** Creates new form ResourcesEditor */
    public ResourcesView() {
        initComponents();
        
        m_ResourceModel = new ComboBoxValModel();
        m_ResourceModel.add(ResourceType.TEXT);
        m_ResourceModel.add(ResourceType.IMAGE);
        m_ResourceModel.add(ResourceType.BINARY);
        m_jType.setModel(m_ResourceModel);
    }
    
    public void init(EditorRecordBasic editor) {
        editor.addTextComponent(m_jName, EditorItem.EDITABLE_PK);
        editor.addComboBox(m_jType, EditorItem.EDITABLE_NORMAL);
        editor.addTextComponent(m_jText, EditorItem.EDITABLE_NORMAL);
        editor.addImageEditor(m_jImage, EditorItem.EDITABLE_NORMAL);
    }    
    
    public void writeValue(Object value) {
        
        Object[] resource = (Object[]) value;
        m_jName.setText((String) resource[0]);
        m_ResourceModel.setSelectedKey(resource[1]);
        
        ResourceType restype = (ResourceType) m_ResourceModel.getSelectedItem();
        if (restype == ResourceType.TEXT) {
            try {
                m_jText.setText(resource[2] == null
                        ? null
                        : new String((byte[]) resource[2], "UTF-8"));
            } catch (java.io.UnsupportedEncodingException eu) {
                m_jText.setText(null);
            }
            m_jText.setCaretPosition(0);
            m_jImage.setImage(null);
        } else if (restype == ResourceType.IMAGE) {
            m_jText.setText(null);
            m_jImage.setImage(ImageUtils.readImage((byte[]) resource[2]));
        } else if (restype == ResourceType.BINARY) {
            m_jText.setText(resource[2] == null
                    ? null
                    : Base64.encode((byte[]) resource[2]));
            m_jText.setCaretPosition(0);
            m_jImage.setImage(null);
        } else {
            m_jText.setText(null);
            m_jImage.setImage(null);
        }
    }
    
    public Object readValue() throws BasicException {
        Object[] resource = new Object[3];

        resource[0] = m_jName.getText();
        
        ResourceType restype = (ResourceType) m_ResourceModel.getSelectedItem();
        resource[1] = restype.getKey();
        if (restype == ResourceType.TEXT) {
            try {
                resource[2] = m_jText.getText().getBytes("UTF-8");
            } catch (java.io.UnsupportedEncodingException eu) {
                resource[2] = null;
            }
        } else if (restype == ResourceType.IMAGE) {
            resource[2] = ImageUtils.writeImage(m_jImage.getImage());
        } else if (restype == ResourceType.BINARY) {
            resource[2] = Base64.decode(m_jText.getText());
        } else {
            resource[2] = null;
        }

        return resource;
    }
    
    public JComponent getComponent() {
        return this;
    }
    
    private void showView(String view) {
        CardLayout cl = (CardLayout)(m_jContainer.getLayout());
        cl.show(m_jContainer, view);  
    }
    
    /** 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() {
        m_jGroupType = new javax.swing.ButtonGroup();
        m_jName = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        m_jType = new javax.swing.JComboBox();
        m_jContainer = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        m_jText = new javax.swing.JTextArea();
        jPanel1 = new javax.swing.JPanel();
        m_jImage = new net.adrianromero.data.gui.JImageEditor();

        setLayout(null);

        add(m_jName);
        m_jName.setBounds(110, 20, 180, 19);

        jLabel2.setText(AppLocal.getIntString("label.resname"));
        add(jLabel2);
        jLabel2.setBounds(20, 20, 90, 14);

        m_jType.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                m_jTypeActionPerformed(evt);
            }
        });

        add(m_jType);
        m_jType.setBounds(300, 20, 90, 20);

        m_jContainer.setLayout(new java.awt.CardLayout());

        m_jText.setFont(new java.awt.Font("DialogInput", 0, 13));
        jScrollPane1.setViewportView(m_jText);

        m_jContainer.add(jScrollPane1, "text");

        m_jContainer.add(jPanel1, "null");

        m_jContainer.add(m_jImage, "image");

        add(m_jContainer);
        m_jContainer.setBounds(20, 50, 440, 430);

    }// </editor-fold>//GEN-END:initComponents

    private void m_jTypeActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_m_jTypeActionPerformed

        ResourceType restype = (ResourceType) m_ResourceModel.getSelectedItem();
        if (restype == ResourceType.TEXT) {
            showView("text");
        } else if (restype == ResourceType.IMAGE) {
            showView("image");
        } else if (restype == ResourceType.BINARY) {
            showView("text");
        } else {
            showView("null");
        }
      
    }//GEN-LAST:event_m_jTypeActionPerformed
    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel jLabel2;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JPanel m_jContainer;
    private javax.swing.ButtonGroup m_jGroupType;
    private net.adrianromero.data.gui.JImageEditor m_jImage;
    private javax.swing.JTextField m_jName;
    private javax.swing.JTextArea m_jText;
    private javax.swing.JComboBox m_jType;
    // End of variables declaration//GEN-END:variables
    
}