Java tutorial
/* * Copyright (c) 2010 The Regents of the University of California. * All rights reserved. * * '$Author: aschultz $' * '$Date: 2010-12-23 11:01:04 -0800 (Thu, 23 Dec 2010) $' * '$Revision: 26600 $' * * Permission is hereby granted, without written agreement and without * license or royalty fees, to use, copy, modify, and distribute this * software and its documentation for any purpose, provided that the above * copyright notice and the following two paragraphs appear in all copies * of this software. * * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY * FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF * THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE * PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF * CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, * ENHANCEMENTS, OR MODIFICATIONS. * */ package org.kepler.gui; import java.awt.Component; import java.awt.event.ActionEvent; import javax.swing.JOptionPane; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.kepler.util.RenameUtil; import ptolemy.actor.gui.TableauFrame; import ptolemy.kernel.ComponentEntity; import ptolemy.kernel.util.NamedObj; import ptolemy.vergil.toolbox.FigureAction; /** * * @author Aaron Schultz * */ public class RenameComponentEntityAction extends FigureAction { private static final Log log = LogFactory.getLog(RenameComponentEntityAction.class.getName()); private static final boolean isDebugging = log.isDebugEnabled(); private final static String LABEL = "Rename"; private TableauFrame _parent; private NamedObj _obj; public RenameComponentEntityAction(TableauFrame parent) { super(LABEL); _parent = parent; if (parent == null) { IllegalArgumentException iae = new IllegalArgumentException( "RenameComponentEntityAction constructor received NULL argument for TableauFrame"); iae.fillInStackTrace(); throw iae; } this.putValue("tooltip", "Open the Rename Component Entity Dialog."); } public void setObject(NamedObj no) { _obj = no; } public void actionPerformed(ActionEvent e) { super.actionPerformed(e); if (isDebugging) log.debug("RenameComponentEntityAction.actionPerformed()"); NamedObj object = null; if (_obj == null) { object = getTarget(); } else { object = _obj; } if (isDebugging) log.debug(object.getClass().getName()); if (object instanceof ComponentEntity) { // TODO very similar to code in RenameComponentEntityAction, // find a way to merge? Component parentComponent = (Component) _parent; String message = "Enter a new name: "; String warnMessage = "ERROR name cannot contain the < sign"; String title = "Rename"; int messageType = JOptionPane.QUESTION_MESSAGE; String initialValue = object.getName(); String newName = (String) JOptionPane.showInputDialog(parentComponent, message, title, messageType, null, null, initialValue); if (newName == null) { // user hit the cancel button return; } int lessThan = newName.indexOf("<"); if (lessThan >= 0) { JOptionPane.showMessageDialog(parentComponent, warnMessage, "Error", JOptionPane.ERROR_MESSAGE); return; } try { RenameUtil.renameComponentEntity((ComponentEntity) object, newName); _parent.setTitle(object.getName()); } catch (Exception ex) { ex.printStackTrace(); JOptionPane.showMessageDialog(_parent, "A problem occured."); } } } }