001 /* 002 Copyright (C) 2001-2002 Renaud Pawlak, Laurent Martelli 003 004 This program is free software; you can redistribute it and/or modify 005 it under the terms of the GNU Lesser General Public License as 006 published by the Free Software Foundation; either version 2 of the 007 License, or (at your option) any later version. 008 009 This program is distributed in the hope that it will be useful, but 010 WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 Lesser General Public License for more details. 013 014 You should have received a copy of the GNU Lesser General Public 015 License along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 017 USA */ 018 019 package org.objectweb.jac.aspects.gui.swing; 020 021 import javax.swing.ImageIcon; 022 import javax.swing.JComponent; 023 import javax.swing.JLabel; 024 import org.objectweb.jac.aspects.gui.FieldView; 025 import org.objectweb.jac.aspects.gui.GuiAC; 026 import org.objectweb.jac.core.rtti.FieldItem; 027 import org.objectweb.jac.util.Thumbnail; 028 029 /** 030 * A Swing viewer component for image values. 031 */ 032 public class ImageViewer extends AbstractFieldView 033 implements FieldView 034 { 035 JLabel label = new JLabel(); 036 037 /** 038 * Constructs a new date editor. */ 039 040 public ImageViewer(byte[] value, Object substance, FieldItem field) { 041 super(substance,field); 042 setValue(value); 043 add(label); 044 } 045 046 public ImageViewer() { 047 add(label); 048 } 049 050 /** 051 * Sets the value of the edited image 052 * 053 * @param value an array of byte 054 */ 055 public void setValue(Object value) { 056 if (value!=null) { 057 byte[] data = (byte[])value; 058 if (isCellViewer) { 059 try { 060 data = Thumbnail.createThumbArray( 061 data, 062 GuiAC.THUMB_MAX_WIDTH,GuiAC.THUMB_MAX_HEIGHT, 063 GuiAC.THUMB_QUALITY); 064 } catch(Exception e) { 065 logger.error("Failed to create thumbnail for "+ 066 substance+"."+field.getName(),e); 067 } 068 label.setIcon(new ImageIcon(data)); 069 setPreferredSize(label.getPreferredSize()); 070 } else { 071 label.setIcon(new ImageIcon(data)); 072 } 073 } else { 074 label.setIcon(null); 075 } 076 } 077 078 protected JComponent getComponent() { 079 return label; 080 } 081 }