2 * jSite - NodeManagerPage.java - Copyright © 2006–2011 David Roden
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 package de.todesbaum.jsite.gui;
21 import java.awt.BorderLayout;
22 import java.awt.Dimension;
23 import java.awt.FlowLayout;
24 import java.awt.GridBagConstraints;
25 import java.awt.GridBagLayout;
26 import java.awt.Insets;
27 import java.awt.event.ActionEvent;
28 import java.awt.event.KeyEvent;
29 import java.util.ArrayList;
30 import java.util.List;
32 import javax.swing.AbstractAction;
33 import javax.swing.Action;
34 import javax.swing.DefaultListModel;
35 import javax.swing.JButton;
36 import javax.swing.JLabel;
37 import javax.swing.JList;
38 import javax.swing.JOptionPane;
39 import javax.swing.JPanel;
40 import javax.swing.JScrollPane;
41 import javax.swing.JSpinner;
42 import javax.swing.JTextField;
43 import javax.swing.ListSelectionModel;
44 import javax.swing.SpinnerNumberModel;
45 import javax.swing.border.EmptyBorder;
46 import javax.swing.event.ChangeEvent;
47 import javax.swing.event.ChangeListener;
48 import javax.swing.event.DocumentEvent;
49 import javax.swing.event.DocumentListener;
50 import javax.swing.event.ListSelectionEvent;
51 import javax.swing.event.ListSelectionListener;
52 import javax.swing.text.BadLocationException;
53 import javax.swing.text.Document;
55 import de.todesbaum.jsite.application.Node;
56 import de.todesbaum.jsite.i18n.I18n;
57 import de.todesbaum.jsite.i18n.I18nContainer;
58 import de.todesbaum.util.swing.TLabel;
59 import de.todesbaum.util.swing.TWizard;
60 import de.todesbaum.util.swing.TWizardPage;
63 * Wizard page that lets the user edit his nodes.
65 * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
67 public class NodeManagerPage extends TWizardPage implements ListSelectionListener, DocumentListener, ChangeListener {
69 /** List of node manager listeners. */
70 private List<NodeManagerListener> nodeManagerListeners = new ArrayList<NodeManagerListener>();
72 /** The “add node” action. */
73 protected Action addNodeAction;
75 /** The “delete node” action. */
76 protected Action deleteNodeAction;
78 /** The node list model. */
79 private DefaultListModel nodeListModel;
82 private JList nodeList;
84 /** The node name textfield. */
85 private JTextField nodeNameTextField;
87 /** The node hostname textfield. */
88 private JTextField nodeHostnameTextField;
90 /** The spinner for the node port. */
91 private JSpinner nodePortSpinner;
94 * Creates a new node manager wizard page.
97 * The wizard this page belongs to
99 public NodeManagerPage(final TWizard wizard) {
102 setHeading(I18n.getMessage("jsite.node-manager.heading"));
103 setDescription(I18n.getMessage("jsite.node-manager.description"));
104 I18nContainer.getInstance().registerRunnable(new Runnable() {
107 setHeading(I18n.getMessage("jsite.node-manager.heading"));
108 setDescription(I18n.getMessage("jsite.node-manager.description"));
114 * Adds a listener for node manager events.
116 * @param nodeManagerListener
117 * The listener to add
119 public void addNodeManagerListener(NodeManagerListener nodeManagerListener) {
120 nodeManagerListeners.add(nodeManagerListener);
124 * Removes a listener for node manager events.
126 * @param nodeManagerListener
127 * The listener to remove
129 public void removeNodeManagerListener(NodeManagerListener nodeManagerListener) {
130 nodeManagerListeners.remove(nodeManagerListener);
134 * Notifies all listeners that the node configuration has changed.
137 * The new list of nodes
139 protected void fireNodesUpdated(Node[] nodes) {
140 for (NodeManagerListener nodeManagerListener : nodeManagerListeners) {
141 nodeManagerListener.nodesUpdated(nodes);
146 * Notifies all listeners that a new node was selected.
149 * The newly selected node
151 protected void fireNodeSelected(Node node) {
152 for (NodeManagerListener nodeManagerListener : nodeManagerListeners) {
153 nodeManagerListener.nodeSelected(node);
158 * Creates all actions.
160 private void createActions() {
161 addNodeAction = new AbstractAction(I18n.getMessage("jsite.node-manager.add-node")) {
163 @SuppressWarnings("synthetic-access")
164 public void actionPerformed(ActionEvent actionEvent) {
169 deleteNodeAction = new AbstractAction(I18n.getMessage("jsite.node-manager.delete-node")) {
171 @SuppressWarnings("synthetic-access")
172 public void actionPerformed(ActionEvent actionEvent) {
176 deleteNodeAction.setEnabled(false);
178 I18nContainer.getInstance().registerRunnable(new Runnable() {
181 addNodeAction.putValue(Action.NAME, I18n.getMessage("jsite.node-manager.add-node"));
182 deleteNodeAction.putValue(Action.NAME, I18n.getMessage("jsite.node-manager.delete-node"));
188 * Initializes the page and all components in it.
190 private void pageInit() {
192 nodeListModel = new DefaultListModel();
193 nodeList = new JList(nodeListModel);
194 nodeList.setName("node-list");
195 nodeList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
196 nodeList.addListSelectionListener(this);
197 nodeList.setPreferredSize(new Dimension(250, -1));
199 nodeNameTextField = new JTextField("");
200 nodeNameTextField.getDocument().putProperty("Name", "node-name");
201 nodeNameTextField.getDocument().addDocumentListener(this);
202 nodeNameTextField.setEnabled(false);
204 nodeHostnameTextField = new JTextField("localhost");
205 nodeHostnameTextField.getDocument().putProperty("Name", "node-hostname");
206 nodeHostnameTextField.getDocument().addDocumentListener(this);
207 nodeHostnameTextField.setEnabled(false);
209 nodePortSpinner = new JSpinner(new SpinnerNumberModel(9481, 1, 65535, 1));
210 nodePortSpinner.setName("node-port");
211 nodePortSpinner.addChangeListener(this);
212 nodePortSpinner.setEnabled(false);
214 JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 12, 12));
215 buttonPanel.setBorder(new EmptyBorder(-12, -12, -12, -12));
216 buttonPanel.add(new JButton(addNodeAction));
217 buttonPanel.add(new JButton(deleteNodeAction));
219 JPanel centerPanel = new JPanel(new BorderLayout());
220 JPanel nodeInformationPanel = new JPanel(new GridBagLayout());
221 centerPanel.add(nodeInformationPanel, BorderLayout.PAGE_START);
222 nodeInformationPanel.add(buttonPanel, new GridBagConstraints(0, 0, 2, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, new Insets(0, 0, 0, 0), 0, 0));
223 final JLabel nodeInformationLabel = new JLabel("<html><b>" + I18n.getMessage("jsite.node-manager.node-information") + "</b></html>");
224 nodeInformationPanel.add(nodeInformationLabel, new GridBagConstraints(0, 1, 2, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, new Insets(6, 0, 0, 0), 0, 0));
225 final TLabel nodeNameLabel = new TLabel(I18n.getMessage("jsite.node-manager.name") + ":", KeyEvent.VK_N, nodeNameTextField);
226 nodeInformationPanel.add(nodeNameLabel, new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.NONE, new Insets(6, 18, 0, 0), 0, 0));
227 nodeInformationPanel.add(nodeNameTextField, new GridBagConstraints(1, 2, 1, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, new Insets(6, 6, 0, 0), 0, 0));
228 final TLabel nodeHostnameLabel = new TLabel(I18n.getMessage("jsite.node-manager.hostname") + ":", KeyEvent.VK_H, nodeHostnameTextField);
229 nodeInformationPanel.add(nodeHostnameLabel, new GridBagConstraints(0, 3, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.NONE, new Insets(6, 18, 0, 0), 0, 0));
230 nodeInformationPanel.add(nodeHostnameTextField, new GridBagConstraints(1, 3, 1, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, new Insets(6, 6, 0, 0), 0, 0));
231 final TLabel nodePortLabel = new TLabel(I18n.getMessage("jsite.node-manager.port") + ":", KeyEvent.VK_P, nodePortSpinner);
232 nodeInformationPanel.add(nodePortLabel, new GridBagConstraints(0, 4, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.NONE, new Insets(6, 18, 0, 0), 0, 0));
233 nodeInformationPanel.add(nodePortSpinner, new GridBagConstraints(1, 4, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.NONE, new Insets(6, 6, 0, 0), 0, 0));
235 setLayout(new BorderLayout(12, 12));
236 add(new JScrollPane(nodeList), BorderLayout.LINE_START);
237 add(centerPanel, BorderLayout.CENTER);
239 I18nContainer.getInstance().registerRunnable(new Runnable() {
242 nodeInformationLabel.setText("<html><b>" + I18n.getMessage("jsite.node-manager.node-information") + "</b></html>");
243 nodeNameLabel.setText(I18n.getMessage("jsite.node-manager.name") + ":");
244 nodeHostnameLabel.setText(I18n.getMessage("jsite.node-manager.hostname") + ":");
245 nodePortLabel.setText(I18n.getMessage("jsite.node-manager.port") + ":");
254 public void pageAdded(TWizard wizard) {
255 this.wizard.setNextEnabled(nodeListModel.getSize() > 0);
256 this.wizard.setPreviousName(I18n.getMessage("jsite.wizard.previous"));
257 this.wizard.setNextName(I18n.getMessage("jsite.wizard.next"));
258 this.wizard.setQuitName(I18n.getMessage("jsite.wizard.quit"));
262 * Sets the node list.
267 public void setNodes(Node[] nodes) {
268 nodeListModel.clear();
269 for (Node node : nodes) {
270 nodeListModel.addElement(node);
273 fireNodesUpdated(nodes);
277 * Returns the node list.
279 * @return The list of nodes
281 public Node[] getNodes() {
282 Node[] returnNodes = new Node[nodeListModel.getSize()];
283 for (int nodeIndex = 0, nodeCount = nodeListModel.getSize(); nodeIndex < nodeCount; nodeIndex++) {
284 returnNodes[nodeIndex] = (Node) nodeListModel.get(nodeIndex);
290 * Returns the currently selected node.
292 * @return The selected node, or <code>null</code> if no node is selected
294 private Node getSelectedNode() {
295 return (Node) nodeList.getSelectedValue();
299 * Updates node name or hostname when the user types into the textfields.
301 * @see #insertUpdate(DocumentEvent)
302 * @see #removeUpdate(DocumentEvent)
303 * @see #changedUpdate(DocumentEvent)
304 * @see DocumentListener
305 * @param documentEvent
308 private void updateTextField(DocumentEvent documentEvent) {
309 Node node = getSelectedNode();
313 Document document = documentEvent.getDocument();
314 String documentText = null;
316 documentText = document.getText(0, document.getLength());
317 } catch (BadLocationException ble1) {
320 if (documentText == null) {
323 String documentName = (String) document.getProperty("Name");
324 if ("node-name".equals(documentName)) {
325 node.setName(documentText);
327 fireNodesUpdated(getNodes());
328 } else if ("node-hostname".equals(documentName)) {
329 node.setHostname(documentText);
331 fireNodesUpdated(getNodes());
340 * Adds a new node to the list of nodes.
342 private void addNode() {
343 Node node = new Node("localhost", 9481, I18n.getMessage("jsite.node-manager.new-node"));
344 nodeListModel.addElement(node);
345 deleteNodeAction.setEnabled(nodeListModel.size() > 1);
346 wizard.setNextEnabled(true);
347 fireNodesUpdated(getNodes());
351 * Deletes the currently selected node from the list of nodes.
353 private void deleteNode() {
354 Node node = getSelectedNode();
358 if (JOptionPane.showConfirmDialog(wizard, I18n.getMessage("jsite.node-manager.delete-node.warning"), null, JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.CANCEL_OPTION) {
361 int nodeIndex = nodeListModel.indexOf(node);
362 nodeListModel.removeElement(node);
364 fireNodeSelected((Node) nodeListModel.get(Math.min(nodeIndex, nodeListModel.size() - 1)));
365 fireNodesUpdated(getNodes());
366 deleteNodeAction.setEnabled(nodeListModel.size() > 1);
367 wizard.setNextEnabled(nodeListModel.size() > 0);
371 // INTERFACE ListSelectionListener
377 @SuppressWarnings("null")
378 public void valueChanged(ListSelectionEvent e) {
379 Object source = e.getSource();
380 if (source instanceof JList) {
381 JList sourceList = (JList) source;
382 if ("node-list".equals(sourceList.getName())) {
383 Node node = (Node) sourceList.getSelectedValue();
384 boolean enabled = (node != null);
385 nodeNameTextField.setEnabled(enabled);
386 nodeHostnameTextField.setEnabled(enabled);
387 nodePortSpinner.setEnabled(enabled);
388 deleteNodeAction.setEnabled(enabled && (nodeListModel.size() > 1));
390 nodeNameTextField.setText(node.getName());
391 nodeHostnameTextField.setText(node.getHostname());
392 nodePortSpinner.setValue(node.getPort());
394 nodeNameTextField.setText("");
395 nodeHostnameTextField.setText("localhost");
396 nodePortSpinner.setValue(9481);
403 // INTERFACE DocumentListener
409 public void insertUpdate(DocumentEvent e) {
416 public void removeUpdate(DocumentEvent e) {
423 public void changedUpdate(DocumentEvent e) {
428 // INTERFACE ChangeListener
434 public void stateChanged(ChangeEvent e) {
435 Object source = e.getSource();
436 Node selectedNode = getSelectedNode();
437 if (selectedNode == null) {
440 if (source instanceof JSpinner) {
441 JSpinner sourceSpinner = (JSpinner) source;
442 if ("node-port".equals(sourceSpinner.getName())) {
443 selectedNode.setPort((Integer) sourceSpinner.getValue());
444 fireNodeSelected(selectedNode);