/*
* 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.windows;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.border.BevelBorder;
import javax.swing.border.EmptyBorder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import be.ac.ua.comp.scarletnebula.core.CloudManager;
import be.ac.ua.comp.scarletnebula.core.CloudProvider;
import be.ac.ua.comp.scarletnebula.core.Server;
import be.ac.ua.comp.scarletnebula.gui.ButtonFactory;
import be.ac.ua.comp.scarletnebula.gui.CollapsablePanel;
import be.ac.ua.comp.scarletnebula.gui.ServerList;
import be.ac.ua.comp.scarletnebula.gui.ServerListModel;
import be.ac.ua.comp.scarletnebula.gui.ServerListModel.CreateNewServerServer;
import be.ac.ua.comp.scarletnebula.gui.ThrobberBarWithText;
import be.ac.ua.comp.scarletnebula.gui.addserverwizard.ChooseImagePage;
import be.ac.ua.comp.scarletnebula.misc.SwingWorkerWithThrobber;
public class LinkUnlinkWindow extends JDialog {
private static final Log log = LogFactory.getLog(ChooseImagePage.class);
private static final long serialVersionUID = 1L;
final ServerListModel unlinkedServerListModel = new ServerListModel(
CreateNewServerServer.NO_NEW_SERVER);
final ServerListModel linkedServerListModel = new ServerListModel(
CreateNewServerServer.NO_NEW_SERVER);
private final CollapsablePanel throbberPanel;
LinkUnlinkWindow(final JFrame parent) {
super(parent, "Link/Unlink Providers", true);
setSize(650, 400);
setLocationByPlatform(true);
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
final ThrobberBarWithText throbber = new ThrobberBarWithText(
"Loading unlinked servers");
final JPanel borderedThrobber = getBorderedThrobber(throbber);
throbberPanel = new CollapsablePanel(borderedThrobber, false);
add(throbberPanel, BorderLayout.NORTH);
final JPanel mainPanel = getMainPanel();
add(mainPanel, BorderLayout.CENTER);
final JPanel bottomPanel = getBottomPanel();
add(bottomPanel, BorderLayout.SOUTH);
fillLinkedList(linkedServerListModel);
fillUnlinkedList(unlinkedServerListModel);
setVisible(true);
}
private JPanel getBorderedThrobber(final ThrobberBarWithText throbber) {
final JPanel borderedThrobber = new JPanel(new BorderLayout());
borderedThrobber.add(throbber, BorderLayout.CENTER);
borderedThrobber.setBorder(BorderFactory
.createEmptyBorder(10, 0, 10, 0));
return borderedThrobber;
}
private JPanel getBottomPanel() {
final JPanel bottomPanel = new JPanel();
bottomPanel.setLayout(new BoxLayout(bottomPanel, BoxLayout.X_AXIS));
bottomPanel.add(Box.createHorizontalGlue());
final JButton cancelButton = ButtonFactory.createCancelButton();
cancelButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
LinkUnlinkWindow.this.dispose();
}
});
bottomPanel.add(cancelButton);
bottomPanel.add(Box.createHorizontalStrut(10));
final JButton okButton = ButtonFactory.createOkButton();
okButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
actuallyLinkUnlink();
LinkUnlinkWindow.this.dispose();
}
});
bottomPanel.add(okButton);
bottomPanel.setBorder(BorderFactory.createEmptyBorder(0, 20, 20, 20));
return bottomPanel;
}
private final JPanel getMainPanel() {
final JPanel mainPanel = new JPanel(new GridBagLayout());
mainPanel.setBorder(BorderFactory.createEmptyBorder(10, 0, 0, 0));
final ServerList linkedServerList = new ServerList(
linkedServerListModel);
linkedServerList.setBorder(BorderFactory
.createBevelBorder(BevelBorder.LOWERED));
final JScrollPane linkedServerScrollPane = new JScrollPane(
linkedServerList);
linkedServerScrollPane.setBorder(BorderFactory.createTitledBorder(
new EmptyBorder(5, 20, 20, 20), "Linked Servers"));
// Doesn't matter what this is set to, as long as it's the same as the
// one for unlinkedServerScrollPane
linkedServerScrollPane.setPreferredSize(new Dimension(10, 10));
final GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.BOTH;
c.gridx = 0;
c.gridy = 0;
c.weightx = 0.5;
c.weighty = 1.0;
mainPanel.add(linkedServerScrollPane, c);
final ServerList unlinkedServerList = new ServerList(
unlinkedServerListModel);
unlinkedServerList.setBorder(BorderFactory
.createBevelBorder(BevelBorder.LOWERED));
final JScrollPane unlinkedServerScrollPane = new JScrollPane(
unlinkedServerList);
unlinkedServerScrollPane.setBorder(BorderFactory.createTitledBorder(
new EmptyBorder(5, 20, 20, 20), "Unlinked Servers"));
// Doesn't matter what this is set to, as long as it's the same as the
// one for unlinkedServerScrollPane
unlinkedServerScrollPane.setPreferredSize(new Dimension(10, 10));
final JPanel middlePanel = new JPanel();
middlePanel.setLayout(new BoxLayout(middlePanel, BoxLayout.Y_AXIS));
middlePanel.add(Box.createVerticalGlue());
final JButton linkSelectionButton = new JButton("<");
final JButton unlinkSelectionButton = new JButton(">");
linkSelectionButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
// Move selection from unlinked to linked list
final int selection = unlinkedServerList.getSelectedIndex();
if (selection < 0) {
return;
}
final Server server = unlinkedServerListModel
.getVisibleServerAtIndex(selection);
unlinkedServerListModel.removeServer(server);
linkedServerListModel.addServer(server);
}
});
unlinkSelectionButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
// Move selection from linked to unlinked list
final int selection = linkedServerList.getSelectedIndex();
if (selection < 0) {
return;
}
final int answer = JOptionPane
.showOptionDialog(
LinkUnlinkWindow.this,
"You are about to unlink a server. "
+ "Unlinking a server will permanently remove \nall data associated with "
+ "this server, but the server will keep running. "
+ "\n\nAre you sure you wish to continue?",
"Unlink Server", JOptionPane.YES_NO_OPTION,
JOptionPane.WARNING_MESSAGE, null, null, null);
if (answer != JOptionPane.YES_OPTION) {
return;
}
final Server server = linkedServerListModel
.getVisibleServerAtIndex(selection);
linkedServerListModel.removeServer(server);
unlinkedServerListModel.addServer(server);
}
});
middlePanel.add(unlinkSelectionButton);
middlePanel.add(Box.createVerticalStrut(10));
middlePanel.add(linkSelectionButton);
middlePanel.add(Box.createVerticalGlue());
c.gridx = 1;
c.gridy = 0;
c.weightx = 0.0;
c.weighty = 0.0;
mainPanel.add(middlePanel, c);
c.gridx = 2;
c.gridy = 0;
c.weightx = 0.5;
c.weighty = 1.0;
mainPanel.add(unlinkedServerScrollPane, c);
return mainPanel;
}
protected void actuallyLinkUnlink() {
// Walk over all servers in the linked serverlist and link those that
// aren't linked
for (final Server server : linkedServerListModel.getVisibleServers()) {
if (!server.getCloud().isLinked(server)) {
server.store();
server.getCloud().linkServer(server);
}
}
// ///////// TODO: Removals and additions need to be reflected in the
// GUI's list!!
// Walk over all servers in the unlinked serverlist and unlink those
// that are linked
for (final Server server : unlinkedServerListModel.getVisibleServers()) {
if (server.getCloud().isLinked(server)) {
server.getCloud().unlink(server);
}
}
}
private void fillUnlinkedList(final ServerListModel unlinkedServerListModel) {
final SwingWorkerWithThrobber<ServerListModel, Server> fillUnlinkedListWorker = new SwingWorkerWithThrobber<ServerListModel, Server>(
throbberPanel) {
@Override
protected ServerListModel doInBackground() throws Exception {
for (final CloudProvider prov : CloudManager.get()
.getLinkedCloudProviders()) {
try {
for (final Server server : prov.listUnlinkedServers()) {
boolean found = false;
for (final CloudProvider prov2 : CloudManager.get()
.getLinkedCloudProviders()) {
for (final Server server2 : prov
.listLinkedServers()) {
if (server2.getUnfriendlyName() == server
.getUnfriendlyName()
&& prov.getName() == prov2
.getName()) {
found = true;
break;
}
if (found)
break;
}
}
if (!found)
unlinkedServerListModel.addServer(server);
if (isCancelled()) {
break;
}
}
} catch (final Exception e) {
log.error("Error while querying unlinked servers.");
}
}
return unlinkedServerListModel;
}
};
fillUnlinkedListWorker.execute();
}
private void fillLinkedList(final ServerListModel linkedServerListModel) {
for (final CloudProvider prov : CloudManager.get()
.getLinkedCloudProviders()) {
for (final Server server : prov.listLinkedServers()) {
linkedServerListModel.addServer(server);
}
}
}
@Override
protected void processWindowEvent(final WindowEvent e) {
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
actuallyLinkUnlink();
LinkUnlinkWindow.this.dispose();
}
}
}