Java tutorial
// Openbravo POS is a point of sales application designed for touch screens. // Copyright (C) 2007-2009 Openbravo, S.L. // http://www.openbravo.com/product/pos // // This file is part of Openbravo POS. // // Openbravo POS 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 3 of the License, or // (at your option) any later version. // // Openbravo POS 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 Openbravo POS. If not, see <http://www.gnu.org/licenses/>. package fr.pasteque.pos.sales.restaurant; import java.awt.Container; import java.awt.Dimension; import java.awt.Graphics; import java.awt.Image; import java.awt.image.BufferedImage; import javax.imageio.ImageIO; import javax.swing.Icon; import javax.swing.ImageIcon; import javax.swing.JPanel; import fr.pasteque.basic.BasicException; import fr.pasteque.data.loader.ImageLoader; import fr.pasteque.data.loader.ImageUtils; import fr.pasteque.pos.util.ThumbNailBuilder; import java.awt.ComponentOrientation; import org.json.JSONObject; public class Floor { private static final long serialVersionUID = 8694154682897L; private String m_sID; private String m_sName; private Container m_container; private Icon m_icon; private static Image defimg = null; /** Creates a new instance of Floor */ public Floor() { try { defimg = ImageLoader.readImage("floor_map.png"); } catch (Exception fnfe) { } } public Floor(JSONObject o) { this.m_sID = o.getString("id"); this.m_sName = o.getString("label"); // TODO restore background image BufferedImage img = new BufferedImage(640, 480, BufferedImage.TYPE_INT_ARGB); ThumbNailBuilder tnbcat = new ThumbNailBuilder(32, 32, defimg); m_container = new JPanelDrawing(img); m_icon = new ImageIcon(tnbcat.getThumbNail(img)); } public String getID() { return m_sID; } public String getName() { return m_sName; } public Icon getIcon() { return m_icon; } public Container getContainer() { return m_container; } private static class JPanelDrawing extends JPanel { private Image img; public JPanelDrawing(Image img) { this.img = img; setLayout(null); } protected void paintComponent(Graphics g) { super.paintComponent(g); if (img != null) { g.drawImage(img, 0, 0, this); } } public Dimension getPreferredSize() { return (img == null) ? new Dimension(640, 480) : new Dimension(img.getWidth(this), img.getHeight(this)); } public Dimension getMinimumSize() { return getPreferredSize(); } public Dimension getMaximumSize() { return getPreferredSize(); } } }