Java tutorial
/* * Copyright (c) 2010 The Regents of the University of California. * All rights reserved. * * '$Author: crawl $' * '$Date: 2012-11-26 14:22:25 -0800 (Mon, 26 Nov 2012) $' * '$Revision: 31122 $' * * 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.kar; import java.awt.Color; import java.awt.Dimension; import java.awt.event.ActionEvent; import java.io.File; import javax.swing.Action; import javax.swing.ImageIcon; import javax.swing.JFileChooser; import javax.swing.KeyStroke; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.kepler.kar.KARFile; import org.kepler.objectmanager.cache.LocalRepositoryManager; import ptolemy.actor.gui.TableauFrame; import ptolemy.gui.ExtensionFilenameFilter; import ptolemy.gui.JFileChooserBugFix; import ptolemy.gui.PtFileChooser; import ptolemy.vergil.toolbox.FigureAction; import diva.gui.GUIUtilities; /** * This action opens a kar file to the system. It is called from the O */ public class ViewManifestAction extends FigureAction { private static final long serialVersionUID = 4476849345160344931L; private static String DISPLAY_NAME = "View Manifest"; private static String TOOLTIP = "View the manifest of this Kepler ARchive."; private static ImageIcon LARGE_ICON = null; private static KeyStroke ACCELERATOR_KEY = null; // ////////////////////////////////////////////////////////////////////////////// private TableauFrame parent; private final static Log log = LogFactory.getLog(ViewManifestAction.class); private static final boolean isDebugging = log.isDebugEnabled(); private File archiveFileToOpen = null; /** * Constructor * *@param parent * the "frame" (derived from ptolemy.gui.Top) where the menu is * being added. */ public ViewManifestAction(TableauFrame parent) { super(DISPLAY_NAME); if (parent == null) { IllegalArgumentException iae = new IllegalArgumentException( "ViewManifestAction constructor received NULL argument for TableauFrame"); iae.fillInStackTrace(); throw iae; } this.parent = parent; this.putValue(Action.NAME, DISPLAY_NAME); this.putValue(GUIUtilities.LARGE_ICON, LARGE_ICON); this.putValue("tooltip", TOOLTIP); this.putValue(GUIUtilities.ACCELERATOR_KEY, ACCELERATOR_KEY); } /** * Explicitly set the Archive file that the action will open. If not file is * set a File chooser dialog is displayed to the user. * * @param archiveFile */ public void setArchiveFileToOpen(File archiveFile) { archiveFileToOpen = archiveFile; } /** * Invoked when an action occurs. * *@param e * ActionEvent */ public void actionPerformed(ActionEvent e) { super.actionPerformed(e); File karFile = null; if (archiveFileToOpen != null) { karFile = archiveFileToOpen; } else { // ask the user what file to open // Create a file filter that accepts .kar files. ExtensionFilenameFilter filter = new ExtensionFilenameFilter(".kar", "kar"); // Avoid white boxes in file chooser, see // http://bugzilla.ecoinformatics.org/show_bug.cgi?id=3801 JFileChooserBugFix jFileChooserBugFix = new JFileChooserBugFix(); Color background = null; PtFileChooser chooser = null; try { background = jFileChooserBugFix.saveBackground(); chooser = new PtFileChooser(parent, "Choose archive", JFileChooser.OPEN_DIALOG); chooser.setCurrentDirectory(LocalRepositoryManager.getInstance().getSaveRepository()); chooser.addChoosableFileFilter(filter); int returnVal = chooser.showDialog(parent, "Open"); if (returnVal == JFileChooser.APPROVE_OPTION) { // process the given kar file karFile = chooser.getSelectedFile(); } } finally { jFileChooserBugFix.restoreBackground(background); } } if (karFile != null) { try { KarManifestViewer kmv = new KarManifestViewer(); kmv.initialize(new KARFile(karFile)); kmv.setSize(new Dimension(800, 400)); kmv.setLocation(parent.getLocation()); kmv.setVisible(true); } catch (Exception exc) { exc.printStackTrace(); } } } }