Dépôt officiel du code source de l'ERP OpenConcerto

/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 *

 * Copyright 2011-2019 OpenConcerto, by ILM Informatique. All rights reserved.

 *

 * The contents of this file are subject to the terms of the GNU General Public License Version 3

 * only ("GPL"). You may not use this file except in compliance with the License. You can obtain a

 * copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific

 * language governing permissions and limitations under the License.

 *

 * When distributing the software, include this License Header Notice in each file.

 */

 package org.openconcerto.erp.core.sales.pos.ui;

import org.openconcerto.erp.core.sales.pos.model.Article;

import org.openconcerto.erp.core.sales.pos.model.Categorie;

import org.openconcerto.ui.touch.ScrollableList;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.FlowLayout;

import java.awt.Font;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.RenderingHints;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Map;

import java.util.Set;

import javax.swing.BorderFactory;

import javax.swing.ImageIcon;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.event.DocumentEvent;

import javax.swing.event.DocumentListener;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

public class ArticleSearchPanel extends JPanel implements CaisseListener {

    private final ScrollableList list;

    private final CaisseControler controler;

    private final JTextField textField = new JTextField();

    public ArticleSearchPanel(final CaisseControler controler) {

        this.controler = controler;

        this.controler.addCaisseListener(this);

        this.setLayout(new GridBagLayout());

        final GridBagConstraints c = new GridBagConstraints();

        final FilteredListModel model = new FilteredListModel();

        final Font f1;

        final Font f2;

        if (this.controler.getPOSConf().getScreenWidth() < 1280) {

            f1 = new Font("Arial", Font.PLAIN, 21);

            f2 = new Font("Arial", Font.PLAIN, 14);

        } else {

            f1 = new Font("Arial", Font.PLAIN, 24);

            f2 = new Font("Arial", Font.PLAIN, 16);

        }

        setBackground(new Color(230, 230, 230));

        this.list = new ScrollableList(model) {

            @Override

            public void paint(Graphics g) {

                super.paint(g);

                g.setColor(Color.LIGHT_GRAY);

                g.drawLine(0, 0, 0, this.getHeight());

            }

            @Override

            public void paintCell(Graphics g, Object object, int index, boolean isSelected, int posY) {

                if (object instanceof Article) {

                    Article article = (Article) object;

                    ArticleSelector.paintArticle(f1, g, article, isSelected, posY, this.getWidth(), this.getCellHeight(), 36, 10, true);

                    if (Categorie.getFavoriteProducts().contains(article)) {

                        g.setColor(Color.ORANGE);

                        g.fillRect(0, posY, 6, this.getCellHeight());

                    }

                } else if (object instanceof Categorie) {

                    Categorie c = (Categorie) object;

                    paintCategorie(f1, f2, g, c, isSelected, posY, this.getWidth(), this.getCellHeight());

                }

            }

            @Override

            public void mouseReleased(MouseEvent event) {

                if ((event.getModifiers() & ActionEvent.CTRL_MASK) == ActionEvent.CTRL_MASK) {

                    final Object obj = getSelectedValue();

                    if (obj instanceof Article) {

                        Article product = (Article) obj;

                        Categorie.toggleFavoriteState(product);

                        controler.getCaisseFrame().mainPanel.saveFavoriteProductsIds(Categorie.getFavoriteProducts());

                        model.setFilter(ArticleSearchPanel.this.textField.getText());

                        ArticleSearchPanel.this.list.scrollToOffset(0);

                    }

                } else {

                    super.mouseReleased(event);

                }

            }

        };

        // Bar

        c.gridx = 0;

        c.gridy = 0;

        c.weightx = 1;

        final StatusBar bar = new StatusBar();

        final POSButton bSwitch = new POSButton("-");

        bSwitch.setForeground(Color.WHITE);

        bSwitch.setBackground(CaissePanel.DARK_BLUE);

        bar.setLayout(new FlowLayout(FlowLayout.LEFT));

        bar.add(bSwitch);

        bSwitch.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                controler.switchListMode();

            }

        });

        bar.setTitle("Articles");

        bar.addMouseListener(new MouseAdapter() {

            @Override

            public void mousePressed(MouseEvent e) {

                ArticleSearchPanel.this.list.scrollToOffset(0);

            }

        });

        c.fill = GridBagConstraints.BOTH;

        c.gridwidth = 2;

        this.add(bar, c);

        // List

        c.weighty = 1;

        c.gridy++;

        this.list.setBackground(new Color(240, 240, 240));

        this.add(this.list, c);

        // Separator

        c.weighty = 0;

        JPanel pBottom = new JPanel();

        pBottom.setOpaque(true);

        pBottom.setBackground(CaissePanel.DARK_BLUE);

        pBottom.setLayout(new BorderLayout(3, 3));

        // Icon and text

        final JLabel label = new JLabel(new ImageIcon(this.getClass().getResource("search.png")));

        pBottom.add(label, BorderLayout.WEST);

        pBottom.setBorder(BorderFactory.createLineBorder(CaissePanel.DARK_BLUE, 3));

        this.textField.setBorder(BorderFactory.createLineBorder(CaissePanel.DARK_BLUE, 1));

        this.textField.setFont(f1);

        this.textField.setFont(f1);

        pBottom.add(this.textField, BorderLayout.CENTER);

        c.gridy++;

        c.weightx = 1;

        c.gridwidth = 2;

        this.add(pBottom, c);

        this.textField.getDocument().addDocumentListener(new DocumentListener() {

            @Override

            public void removeUpdate(DocumentEvent e) {

                changedUpdate(e);

            }

            @Override

            public void insertUpdate(DocumentEvent e) {

                changedUpdate(e);

            }

            @Override

            public void changedUpdate(DocumentEvent e) {

                model.setFilter(ArticleSearchPanel.this.textField.getText());

                controler.setArticleSelected(null);

            }

        });

        this.list.addListSelectionListener(new ListSelectionListener() {

            @Override

            public void valueChanged(ListSelectionEvent e) {

                Object sel = ArticleSearchPanel.this.list.getSelectedValue();

                if (sel != null && !e.getValueIsAdjusting()) {

                    if (sel instanceof Article) {

                        Article article = (Article) sel;

                        controler.setArticleSelected(article);

                    }

                }

            }

        });

        this.list.addMouseListener(new MouseAdapter() {

            @Override

            public void mouseClicked(MouseEvent e) {

                Object sel = ArticleSearchPanel.this.list.getSelectedValue();

                if (sel != null) {

                    int nb = e.getClickCount();

                    if (nb == 1) {

                        if (sel instanceof Article) {

                            Article article = (Article) sel;

                            controler.setArticleSelected(article);

                            controler.addArticle(article);

                        }

                    } else if (nb > 1) {

                        Article article = (Article) sel;

                        controler.incrementArticle(article);

                        controler.setArticleSelected(article);

                    }

                }

            }

        });

    }

    public void paintCategorie(final Font f, Font f2, Graphics g, Categorie c, boolean isSelected, int posY, int cellWidth, int cellHeight) {

        g.setFont(f);

        g.setColor(Color.WHITE);

        g.fillRect(0, posY, cellWidth, cellHeight);

        //

        g.setColor(Color.GRAY);

        g.drawLine(0, posY + cellHeight - 1, cellWidth, posY + cellHeight - 1);

        ((Graphics2D) g).setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

        String label = c.getName();

        final int MAX_WIDTH = 36;

        final int MAX_WIDTH2 = 48;

        if (label.length() > MAX_WIDTH * 2) {

            label = label.substring(0, MAX_WIDTH * 2) + "...";

        }

        String label2 = getCategoriePath(c);

        if (label2 != null) {

            if (label2.length() > MAX_WIDTH2) {

                label2 = label2.substring(0, MAX_WIDTH2) + "...";

            }

        }

        g.setColor(Color.BLACK);

        if (label2 == null) {

            g.drawString(label, 10, posY + 39);

        } else {

            g.drawString(label, 10, posY + 26);

            g.setColor(Color.DARK_GRAY);

            g.setFont(f2);

            g.drawString(label2, 10, posY + 52);

        }

    }

    private Map<Categorie, String> categoryCache = new HashMap<Categorie, String>();

    private String getCategoriePath(Categorie c) {

        if (c.getParent() == null) {

            return null;

        }

        String storedString = this.categoryCache.get(c);

        if (storedString != null) {

            return storedString;

        }

        Categorie parent = c.getParent();

        String s = "";

        Set<Categorie> set = new HashSet<Categorie>();

        set.add(c);

        while (parent != null) {

            if (set.contains(parent)) {

                System.err.println("ArticleSearchPanel.getCategoriePath() loop detected for category " + c + " " + parent + " already in " + set);

                break;

            }

            set.add(parent);

            if (s.length() > 0) {

                s = parent.getName() + " / " + s;

            } else {

                s = parent.getName();

            }

            parent = c.getParent();

        }

        this.categoryCache.put(c, s);

        return s;

    }

    @Override

    public void caisseStateChanged() {

        final Article articleSelected = this.controler.getArticleSelected();

        System.err.println("ArticleSearchPanel.caisseStateChanged() article selected : " + articleSelected);

        if (articleSelected == null) {

            this.list.clearSelection();

            return;

        }

        Object selectedValue = null;

        try {

            selectedValue = this.list.getSelectedValue();

        } catch (Exception e) {

            e.printStackTrace();

        }

        if (selectedValue == null || !articleSelected.equals(selectedValue)) {

            boolean found = this.list.setSelectedValue(articleSelected, true);

            if (!found) {

                this.list.clearSelection();

            }

        }

    }

}