Java tutorial
/* Copyright (C) 2007-2011 Database Group - Universita' della Basilicata Giansalvatore Mecca - giansalvatore.mecca@unibas.it Salvatore Raunich - salrau@gmail.com Marcello Buoncristiano - marcello.buoncristiano@yahoo.it This file is part of ++Spicy - a Schema Mapping and Data Exchange Tool ++Spicy 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 any later version. ++Spicy 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 ++Spicy. If not, see <http://www.gnu.org/licenses/>. */ package it.unibas.spicygui.controllo.tree; import it.unibas.spicygui.Costanti; import java.awt.Font; import java.awt.event.ActionEvent; import javax.swing.AbstractAction; import javax.swing.JTextArea; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.openide.util.NbBundle; public class ActionIncreaseFont extends AbstractAction { private static Log logger = LogFactory.getLog(ActionIncreaseFont.class); private JTextArea textArea; public ActionIncreaseFont(JTextArea textArea) { this.textArea = textArea; this.putValue(NAME, NbBundle.getMessage(Costanti.class, Costanti.ACTION_INCREASE_FONT)); } public void actionPerformed(ActionEvent e) { Font oldFont = textArea.getFont(); float fontDimension = oldFont.getSize2D(); textArea.setFont(textArea.getFont().deriveFont(++fontDimension)); } }