Java tutorial
/* * Copyright (C) 2011 Ives van der Flaas * * This program 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 * (at your option) any later version. * * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ package be.ac.ua.comp.scarletnebula.gui; import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.ArrayList; import java.util.Collection; import javax.swing.BorderFactory; import javax.swing.Box; import javax.swing.BoxLayout; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JPanel; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.dasein.cloud.compute.VmState; import be.ac.ua.comp.scarletnebula.core.Server; import be.ac.ua.comp.scarletnebula.gui.windows.ChangeServerSshLoginMethodWindow; import be.ac.ua.comp.scarletnebula.misc.Utils; public class DecoratedCommunicationPanel extends JPanel { private static final long serialVersionUID = 1L; final JDialog parent; private static Log log = LogFactory.getLog(DecoratedCommunicationPanel.class); public DecoratedCommunicationPanel(final JDialog parent, final Collection<Server> selectedServers) { this.parent = parent; clearAndFill(selectedServers); } final public void clearAndFill(final Collection<Server> selectedServers) { // Remove all components on there invalidate(); removeAll(); setLayout(new BorderLayout()); // If there are no servers, or none of the servers are running, do not // display the ssh console final Collection<Server> connectableServers = new ArrayList<Server>(); for (final Server s : selectedServers) { if (s.getStatus() == VmState.RUNNING && s.getPublicDnsAddress() != null) { connectableServers.add(s); } } // If there are no servers to connect to, don't draw the ssh console if (connectableServers.size() == 0) { log.info("Connection tab clicked and no servers selected to connect to."); final BetterTextLabel txt = new BetterTextLabel( "Please select at least one running server to connect to."); txt.setBorder(BorderFactory.createEmptyBorder(5, 10, 5, 20)); add(txt, BorderLayout.CENTER); validate(); repaint(); } else { final Server connectServer = selectedServers.iterator().next(); final JPanel propertiesPanel = new JPanel(); propertiesPanel.setLayout(new BoxLayout(propertiesPanel, BoxLayout.LINE_AXIS)); propertiesPanel.add(Box.createHorizontalGlue()); final JButton propertiesButton = new JButton("Properties", Utils.icon("modify16.png")); propertiesButton.addActionListener(new ActionListener() { @Override public void actionPerformed(final ActionEvent e) { final ChangeServerSshLoginMethodWindow win = new ChangeServerSshLoginMethodWindow(parent, connectServer); win.addActionListener(new ActionListener() { @Override public void actionPerformed(final ActionEvent e) { clearAndFill(selectedServers); } }); win.setVisible(true); } }); final JButton restartButton = new JButton("Restart connection", Utils.icon("undo16.png")); restartButton.addActionListener(new ActionListener() { @Override public void actionPerformed(final ActionEvent e) { clearAndFill(selectedServers); } }); propertiesPanel.add(restartButton); propertiesPanel.add(Box.createHorizontalStrut(10)); propertiesPanel.add(propertiesButton); propertiesPanel.add(Box.createHorizontalStrut(20)); propertiesPanel.setBorder(BorderFactory.createEmptyBorder(5, 0, 0, 0)); add(propertiesPanel, BorderLayout.NORTH); final SSHPanel sshPanel = new SSHPanel(connectServer); sshPanel.setBorder(BorderFactory.createEmptyBorder(5, 20, 10, 20)); add(sshPanel, BorderLayout.CENTER); validate(); repaint(); } } }