jcatalog.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.panels;

import net.adrianromero.tpv.ticket.*;
import net.adrianromero.tpv.util.ThumbNailBuilder;

import java.util.*;
import javax.swing.*;
import javax.swing.event.*;
import java.awt.event.*;
import java.awt.*;
import javax.imageio.ImageIO;
import net.adrianromero.tpv.forms.AppView;
import net.adrianromero.tpv.forms.AppLocal;
import net.adrianromero.basic.BasicException;
import net.adrianromero.data.loader.SentenceList;
import net.adrianromero.data.loader.SentenceFind;
import net.adrianromero.tpv.forms.SentenceContainer;
import net.adrianromero.tpv.ticket.ThumbNailBuilderProduct;

public class JCatalog extends JPanel implements ListSelectionListener {
    
    protected EventListenerList listeners = new EventListenerList();
    private AppView m_App;    
    
    // Listado de paneles de productos modificadores...
    private Set m_productcom = new HashSet();
    private Set m_productcomEmpty = new HashSet();
    
    // Listado de productos en memoria...
    private Map m_productcache = new HashMap();
    
    private ThumbNailBuilderProduct tnbprodtext;
    
    /** Creates new form JCatalog */
    public JCatalog(AppView oApp) {
        this(oApp, ThumbNailBuilderProduct.PRICE_NONE);
    }
    public JCatalog(AppView oApp, int iPriceMode) {
        m_App = oApp;
        initComponents();
        
        Image defimg;
        try {
            defimg = ImageIO.read(getClass().getClassLoader().getResourceAsStream("net/adrianromero/images/colorize.png"));               
        } catch (Exception fnfe) {
            defimg = null;
        }           
        tnbprodtext = new ThumbNailBuilderProduct(64, 32, defimg, iPriceMode);
        
        m_jListCategories.addListSelectionListener(this);                
        m_jscrollcat.getVerticalScrollBar().setPreferredSize(new Dimension(35, 35));
    }
    
    private ProductInfoExt getProduct(String reference) {
        
        if (m_productcache.containsKey(reference)) {
            return (ProductInfoExt) m_productcache.get(reference);
        } else {
            ProductInfoExt p;
            try {
                p = m_App.lookupDataLogic(SentenceContainer.class).getProductInfo2(reference);
            } catch (BasicException eb) {
                p = null; // nunca pasa ;-)
            }
            
            m_productcache.put(reference, p);
            return p;
        }
    }
    
    public void loadProduct(String reference) {
        
        
        if (reference == null) {
            showCatalogPanel();
        } else {
            String smypanel = "." + reference;

            // Si ya existia y estaba vacio, mostramos el catalogo general
            if (m_productcomEmpty.contains(reference)) {
                showCatalogPanel();
            } else if (m_productcom.contains(reference)) {
                // existia, y tenia productos, lo muestro.
                showCommentPanel(smypanel);
            } else {
                try {
                    java.util.List<ProductInfoExt> products = m_App.lookupDataLogic(SentenceContainer.class).getProductComments(reference);
                    if (products.size() == 0) {
                        // no hay productos por tanto lo anado a la de vacios y muestro el panel principal.
                        m_productcomEmpty.add(reference);
                        showCatalogPanel();
                    } else {

                        // creo un nuevo panel de productos...
                        JCatalogCom jprodcom = new JCatalogCom(getProduct(reference), new BackAction());         

                        for (ProductInfoExt prod : products) {
                            jprodcom.addProduct(tnbprodtext.getThumbNail(prod), prod.getName(), new SelectedAction(prod));                                
                        }
                        m_productcom.add(smypanel);
                        m_jProductSingle.add(smypanel, jprodcom);
                        showCommentPanel(smypanel);
                    }
                } catch (BasicException eb) {
                    // fallo la ejecucion de la lista de productos.
                    // nunca deberia ocurrir.
                    eb.printStackTrace();
                    m_productcomEmpty.add(reference);
                    showCatalogPanel();
                }
            }
        }
    }
    
    public void loadCatalog() throws BasicException {
        
        // borro lo que ya habiamos creado...
        m_jProducts.removeAll();
        m_productcache = new HashMap();
        
        m_productcom = new HashSet();
        m_productcomEmpty = new HashSet();
        m_jProductSingle.removeAll();        
        
        // SentenceList sent = m_App.lookupDataLogic(SentenceContainer.class).getProductCatalog();         
        // SentenceList catlist = m_App.lookupDataLogic(SentenceContainer.class).getCategoryList();

        java.util.List<ProductInfoExt> products = m_App.lookupDataLogic(SentenceContainer.class).getProductCatalog();
        java.util.List<CategoryInfo> categories = m_App.lookupDataLogic(SentenceContainer.class).getCategoryList();
        int iIndexCat = 0;

        Image defimg;
        try {
            defimg = ImageIO.read(getClass().getClassLoader().getResourceAsStream("net/adrianromero/images/colorize.png"));               
        } catch (Exception fnfe) {
            defimg = null;
        }            

        ThumbNailBuilder tnbcat = new ThumbNailBuilder(32, 32, defimg);

        Integer categoryID = null;
        JCatalogTab jcurrTab = null;
        JCatalogTab jnullTab = null;

        java.util.List aCatList = new ArrayList();

        for (int i = 0; i < products.size(); i++) {
            ProductInfoExt prod = products.get(i);
            if (jcurrTab == null 
            || ((categoryID == null && prod.getCategoryID() != null) || !categoryID.equals(prod.getCategoryID()))) {

                // Buscamos la categoria del producto
                CategoryInfo newcat = null;
                if (prod.getCategoryID() != null) {
                    CategoryInfo searchcat = null;
                    while (iIndexCat < categories.size()) {
                        searchcat = categories.get(iIndexCat++);
                        if (searchcat.getID().equals(prod.getCategoryID())) {
                            newcat = searchcat;
                            break;
                        }
                    }
                }

                if (newcat == null) {
                    if (jnullTab == null) {
                        jnullTab = new JCatalogTab();
                    }
                    jcurrTab = jnullTab;
                    categoryID = prod.getCategoryID();
                } else {
                    jcurrTab = new JCatalogTab();      
                    categoryID = newcat.getID();
                    m_jProducts.add(jcurrTab, newcat.getID().toString());
                    // m_jTabCategories.addTab(newcat.getName(), new ImageIcon(tnbcat.getThumbNail(newcat.getImage())), jcurrTab);
                    aCatList.add(new Object[] {newcat.getID(), newcat.getName(), new ImageIcon(tnbcat.getThumbNail(newcat.getImage()))});
                }
            }

            jcurrTab.addProduct(tnbprodtext.getThumbNail(prod), prod.getName(), new SelectedAction(prod));
        }

        // Si ha habido productos del catalogo sin categoria.
        if (jnullTab != null) {
            m_jProducts.add(jnullTab, Integer.toString(Integer.MIN_VALUE));
            // m_jTabCategories.addTab(AppLocal.getIntString("label.nullcategory"), new ImageIcon(tnbcat.getThumbNail(null)), jnullTab);
            aCatList.add(new Object[] {new Integer(Integer.MIN_VALUE), AppLocal.getIntString("label.nullcategory"), new ImageIcon(tnbcat.getThumbNail(null))});
        }

        m_jListCategories.setCellRenderer(new SmallCategoryRenderer());
        m_jListCategories.setModel(new CategoriesListModel(aCatList));
        if (m_jListCategories.getModel().getSize() > 0) {
            m_jListCategories.setSelectedIndex(0);
        }

        
        showCatalogPanel();
    }
    
    public void setEnabled(boolean value) {
        
        m_jListCategories.setEnabled(value);
        m_jscrollcat.setEnabled(value);
        m_jUp.setEnabled(value);
        m_jDown.setEnabled(value);
        m_jProducts.setEnabled(value); 
        synchronized (m_jProducts.getTreeLock()) {
            int compCount = m_jProducts.getComponentCount();
            for (int i = 0 ; i < compCount ; i++) {
                m_jProducts.getComponent(i).setEnabled(value);
            }
        }
     
        super.setEnabled(value);
    }
    
    public void addActionListener(ActionListener l) {
        listeners.add(ActionListener.class, l);
    }
    public void removeActionListener(ActionListener l) {
        listeners.add(ActionListener.class, l);