001 /* 002 Copyright (C) 2003 Laurent Martelli <laurent@aopsys.com> 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.JComponent; 022 import javax.swing.JLabel; 023 import org.objectweb.jac.aspects.gui.FieldView; 024 import org.objectweb.jac.aspects.gui.Format; 025 import org.objectweb.jac.core.rtti.FieldItem; 026 027 /** 028 * A Swing viewer component for date values. 029 */ 030 031 public abstract class FormatViewer extends AbstractFieldView 032 implements FieldView 033 { 034 /** Stores the default format of the date */ 035 protected Format format; 036 protected JLabel label = new JLabel(); 037 038 /** 039 * Constructs a new date editor. */ 040 041 public FormatViewer(Object value, Object substance, FieldItem field) { 042 super(substance,field); 043 initFormat(field); 044 setValue(value); 045 add(label); 046 } 047 048 public FormatViewer() { 049 setTableFont(); 050 setLayout(); 051 add(label); 052 } 053 054 protected abstract void initFormat(FieldItem field); 055 056 protected void setLayout() { 057 } 058 059 public void setField(FieldItem field) { 060 super.setField(field); 061 initFormat(field); 062 } 063 064 // FieldView interface 065 066 public void setValue(Object value) { 067 if (value!=null) 068 label.setText(format.format(value)); 069 else 070 label.setText(""); 071 } 072 073 protected JComponent getComponent() { 074 return label; 075 } 076 }