3 * Copyright (C) 2006 David Roden
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 package de.todesbaum.jsite.gui;
22 import java.awt.BorderLayout;
23 import java.awt.Dimension;
24 import java.awt.FlowLayout;
25 import java.awt.GridBagConstraints;
26 import java.awt.GridBagLayout;
27 import java.awt.Insets;
28 import java.awt.event.ActionEvent;
29 import java.awt.event.KeyEvent;
30 import java.util.ArrayList;
31 import java.util.List;
33 import javax.swing.AbstractAction;
34 import javax.swing.Action;
35 import javax.swing.DefaultListModel;
36 import javax.swing.JButton;
37 import javax.swing.JLabel;
38 import javax.swing.JList;
39 import javax.swing.JOptionPane;
40 import javax.swing.JPanel;
41 import javax.swing.JScrollPane;
42 import javax.swing.JSpinner;
43 import javax.swing.JTextField;
44 import javax.swing.ListSelectionModel;
45 import javax.swing.SpinnerNumberModel;
46 import javax.swing.border.EmptyBorder;
47 import javax.swing.event.ChangeEvent;
48 import javax.swing.event.ChangeListener;
49 import javax.swing.event.DocumentEvent;
50 import javax.swing.event.DocumentListener;
51 import javax.swing.event.ListSelectionEvent;
52 import javax.swing.event.ListSelectionListener;
53 import javax.swing.text.BadLocationException;
54 import javax.swing.text.Document;
56 import de.todesbaum.jsite.application.Node;
57 import de.todesbaum.jsite.i18n.I18n;
58 import de.todesbaum.jsite.i18n.I18nContainer;
59 import de.todesbaum.util.swing.TLabel;
60 import de.todesbaum.util.swing.TWizard;
61 import de.todesbaum.util.swing.TWizardPage;
64 * Wizard page that lets the user edit his nodes.
66 * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
68 public class NodeManagerPage extends TWizardPage implements ListSelectionListener, DocumentListener, ChangeListener {
70 /** List of node manager listeners. */
71 private List<NodeManagerListener> nodeManagerListeners = new ArrayList<NodeManagerListener>();
73 /** The “add node” action. */
74 protected Action addNodeAction;
76 /** The “delete node” action. */
77 protected Action deleteNodeAction;
79 /** The node list model. */
80 private DefaultListModel nodeListModel;
83 private JList nodeList;
85 /** The node name textfield. */
86 private JTextField nodeNameTextField;
88 /** The node hostname textfield. */
89 private JTextField nodeHostnameTextField;
91 /** The spinner for the node port. */
92 private JSpinner nodePortSpinner;
95 * Creates a new node manager wizard page.
98 * The wizard this page belongs to
100 public NodeManagerPage(final TWizard wizard) {
103 setHeading(I18n.getMessage("jsite.node-manager.heading"));
104 setDescription(I18n.getMessage("jsite.node-manager.description"));
105 I18nContainer.getInstance().registerRunnable(new Runnable() {
108 setHeading(I18n.getMessage("jsite.node-manager.heading"));
109 setDescription(I18n.getMessage("jsite.node-manager.description"));
115 * Adds a listener for node manager events.
117 * @param nodeManagerListener
118 * The listener to add
120 public void addNodeManagerListener(NodeManagerListener nodeManagerListener) {
121 nodeManagerListeners.add(nodeManagerListener);
125 * Removes a listener for node manager events.
127 * @param nodeManagerListener
128 * The listener to remove
130 public void removeNodeManagerListener(NodeManagerListener nodeManagerListener) {
131 nodeManagerListeners.remove(nodeManagerListener);
135 * Notifies all listeners that the node configuration has changed.
138 * The new list of nodes
140 protected void fireNodesUpdated(Node[] nodes) {
141 for (NodeManagerListener nodeManagerListener : nodeManagerListeners) {
142 nodeManagerListener.nodesUpdated(nodes);
147 * Notifies all listeners that a new node was selected.
150 * The newly selected node
152 protected void fireNodeSelected(Node node) {
153 for (NodeManagerListener nodeManagerListener : nodeManagerListeners) {
154 nodeManagerListener.nodeSelected(node);
159 * Creates all actions.
161 private void createActions() {
162 addNodeAction = new AbstractAction(I18n.getMessage("jsite.node-manager.add-node")) {
164 @SuppressWarnings("synthetic-access")
165 public void actionPerformed(ActionEvent actionEvent) {
170 deleteNodeAction = new AbstractAction(I18n.getMessage("jsite.node-manager.delete-node")) {
172 @SuppressWarnings("synthetic-access")
173 public void actionPerformed(ActionEvent actionEvent) {
177 deleteNodeAction.setEnabled(false);
179 I18nContainer.getInstance().registerRunnable(new Runnable() {
182 addNodeAction.putValue(Action.NAME, I18n.getMessage("jsite.node-manager.add-node"));
183 deleteNodeAction.putValue(Action.NAME, I18n.getMessage("jsite.node-manager.delete-node"));
189 * Initializes the page and all components in it.
191 private void pageInit() {
193 nodeListModel = new DefaultListModel();
194 nodeList = new JList(nodeListModel);
195 nodeList.setName("node-list");
196 nodeList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
197 nodeList.addListSelectionListener(this);
198 nodeList.setPreferredSize(new Dimension(250, -1));
200 nodeNameTextField = new JTextField("");
201 nodeNameTextField.getDocument().putProperty("Name", "node-name");
202 nodeNameTextField.getDocument().addDocumentListener(this);
203 nodeNameTextField.setEnabled(false);
205 nodeHostnameTextField = new JTextField("localhost");
206 nodeHostnameTextField.getDocument().putProperty("Name", "node-hostname");
207 nodeHostnameTextField.getDocument().addDocumentListener(this);
208 nodeHostnameTextField.setEnabled(false);
210 nodePortSpinner = new JSpinner(new SpinnerNumberModel(9481, 1, 65535, 1));
211 nodePortSpinner.setName("node-port");
212 nodePortSpinner.addChangeListener(this);
213 nodePortSpinner.setEnabled(false);
215 JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 12, 12));
216 buttonPanel.setBorder(new EmptyBorder(-12, -12, -12, -12));
217 buttonPanel.add(new JButton(addNodeAction));
218 buttonPanel.add(new JButton(deleteNodeAction));
220 JPanel centerPanel = new JPanel(new BorderLayout());
221 JPanel nodeInformationPanel = new JPanel(new GridBagLayout());
222 centerPanel.add(nodeInformationPanel, BorderLayout.PAGE_START);
223 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));
224 final JLabel nodeInformationLabel = new JLabel("<html><b>" + I18n.getMessage("jsite.node-manager.node-information") + "</b></html>");
225 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));
226 final TLabel nodeNameLabel = new TLabel(I18n.getMessage("jsite.node-manager.name") + ":", KeyEvent.VK_N, nodeNameTextField);
227 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));
228 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));
229 final TLabel nodeHostnameLabel = new TLabel(I18n.getMessage("jsite.node-manager.hostname") + ":", KeyEvent.VK_H, nodeHostnameTextField);
230 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));
231 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));
232 final TLabel nodePortLabel = new TLabel(I18n.getMessage("jsite.node-manager.port") + ":", KeyEvent.VK_P, nodePortSpinner);
233 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));
234 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));
236 setLayout(new BorderLayout(12, 12));
237 add(new JScrollPane(nodeList), BorderLayout.LINE_START);
238 add(centerPanel, BorderLayout.CENTER);
240 I18nContainer.getInstance().registerRunnable(new Runnable() {
243 nodeInformationLabel.setText("<html><b>" + I18n.getMessage("jsite.node-manager.node-information") + "</b></html>");
244 nodeNameLabel.setText(I18n.getMessage("jsite.node-manager.name") + ":");
245 nodeHostnameLabel.setText(I18n.getMessage("jsite.node-manager.hostname") + ":");
246 nodePortLabel.setText(I18n.getMessage("jsite.node-manager.port") + ":");
255 public void pageAdded(TWizard wizard) {
256 this.wizard.setNextEnabled(nodeListModel.getSize() > 0);
257 this.wizard.setPreviousName(I18n.getMessage("jsite.wizard.previous"));
258 this.wizard.setNextName(I18n.getMessage("jsite.wizard.next"));
259 this.wizard.setQuitName(I18n.getMessage("jsite.wizard.quit"));
263 * Sets the node list.
268 public void setNodes(Node[] nodes) {
269 nodeListModel.clear();
270 for (Node node : nodes) {
271 nodeListModel.addElement(node);
274 fireNodesUpdated(nodes);
278 * Returns the node list.
280 * @return The list of nodes
282 public Node[] getNodes() {
283 Node[] returnNodes = new Node[nodeListModel.getSize()];
284 for (int nodeIndex = 0, nodeCount = nodeListModel.getSize(); nodeIndex < nodeCount; nodeIndex++) {
285 returnNodes[nodeIndex] = (Node) nodeListModel.get(nodeIndex);
291 * Returns the currently selected node.
293 * @return The selected node, or <code>null</code> if no node is selected
295 private Node getSelectedNode() {
296 return (Node) nodeList.getSelectedValue();
300 * Updates node name or hostname when the user types into the textfields.
302 * @see #insertUpdate(DocumentEvent)
303 * @see #removeUpdate(DocumentEvent)
304 * @see #changedUpdate(DocumentEvent)
305 * @see DocumentListener
306 * @param documentEvent
309 private void updateTextField(DocumentEvent documentEvent) {
310 Node node = getSelectedNode();
314 Document document = documentEvent.getDocument();
315 String documentText = null;
317 documentText = document.getText(0, document.getLength());
318 } catch (BadLocationException ble1) {
321 if (documentText == null) {
324 String documentName = (String) document.getProperty("Name");
325 if ("node-name".equals(documentName)) {
326 node.setName(documentText);
328 fireNodesUpdated(getNodes());
329 } else if ("node-hostname".equals(documentName)) {
330 node.setHostname(documentText);
332 fireNodesUpdated(getNodes());
341 * Adds a new node to the list of nodes.
343 private void addNode() {
344 Node node = new Node("localhost", 9481, I18n.getMessage("jsite.node-manager.new-node"));
345 nodeListModel.addElement(node);
346 deleteNodeAction.setEnabled(nodeListModel.size() > 1);
347 wizard.setNextEnabled(true);
348 fireNodesUpdated(getNodes());
352 * Deletes the currently selected node from the list of nodes.
354 private void deleteNode() {
355 Node node = getSelectedNode();
359 if (JOptionPane.showConfirmDialog(wizard, I18n.getMessage("jsite.node-manager.delete-node.warning"), null, JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.CANCEL_OPTION) {
362 int nodeIndex = nodeListModel.indexOf(node);
363 nodeListModel.removeElement(node);
365 fireNodeSelected((Node) nodeListModel.get(Math.min(nodeIndex, nodeListModel.size() - 1)));
366 fireNodesUpdated(getNodes());
367 deleteNodeAction.setEnabled(nodeListModel.size() > 1);
368 wizard.setNextEnabled(nodeListModel.size() > 0);
372 // INTERFACE ListSelectionListener
378 @SuppressWarnings("null")
379 public void valueChanged(ListSelectionEvent e) {
380 Object source = e.getSource();
381 if (source instanceof JList) {
382 JList sourceList = (JList) source;
383 if ("node-list".equals(sourceList.getName())) {
384 Node node = (Node) sourceList.getSelectedValue();
385 boolean enabled = (node != null);
386 nodeNameTextField.setEnabled(enabled);
387 nodeHostnameTextField.setEnabled(enabled);
388 nodePortSpinner.setEnabled(enabled);
389 deleteNodeAction.setEnabled(enabled && (nodeListModel.size() > 1));
391 nodeNameTextField.setText(node.getName());
392 nodeHostnameTextField.setText(node.getHostname());
393 nodePortSpinner.setValue(node.getPort());
395 nodeNameTextField.setText("");
396 nodeHostnameTextField.setText("localhost");
397 nodePortSpinner.setValue(9481);
404 // INTERFACE DocumentListener
410 public void insertUpdate(DocumentEvent e) {
417 public void removeUpdate(DocumentEvent e) {
424 public void changedUpdate(DocumentEvent e) {
429 // INTERFACE ChangeListener
435 public void stateChanged(ChangeEvent e) {
436 Object source = e.getSource();
437 Node selectedNode = getSelectedNode();
438 if (selectedNode == null) {
441 if (source instanceof JSpinner) {
442 JSpinner sourceSpinner = (JSpinner) source;
443 if ("node-port".equals(sourceSpinner.getName())) {
444 selectedNode.setPort((Integer) sourceSpinner.getValue());
445 fireNodeSelected(selectedNode);