src/de/todesbaum/jsite/gui/NodeManagerPage.java

   1 /*
   2  * jSite-0.7 -
   3  * Copyright (C) 2006 David Roden
   4  *
   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.
   9  *
  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.
  14  *
  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.
  18  */
  19
  20 package de.todesbaum.jsite.gui;
  21
  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;
  32
  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;
  55
  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;
  62
  63 /**
  64  * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
  65  */
  66 public class NodeManagerPage extends TWizardPage implements ListSelectionListener, DocumentListener, ChangeListener {
  67
  68         private List<NodeManagerListener> nodeManagerListeners = new ArrayList<NodeManagerListener>();
  69
  70         protected Action addNodeAction;
  71         protected Action deleteNodeAction;
  72         private DefaultListModel nodeListModel;
  73         private JList nodeList;
  74         private JTextField nodeNameTextField;
  75         private JTextField nodeHostnameTextField;
  76         private JSpinner nodePortSpinner;
  77
  78         public NodeManagerPage(final TWizard wizard) {
  79                 super(wizard);
  80                 pageInit();
  81                 setHeading(I18n.getMessage("jsite.node-manager.heading"));
  82                 setDescription(I18n.getMessage("jsite.node-manager.description"));
  83                 I18nContainer.getInstance().registerRunnable(new Runnable() {
  84
  85                         public void run() {
  86                                 setHeading(I18n.getMessage("jsite.node-manager.heading"));
  87                                 setDescription(I18n.getMessage("jsite.node-manager.description"));
  88                         }
  89                 });
  90         }
  91
  92         public void addNodeManagerListener(NodeManagerListener nodeManagerListener) {
  93                 nodeManagerListeners.add(nodeManagerListener);
  94         }
  95
  96         public void removeNodeManagerListener(NodeManagerListener nodeManagerListener) {
  97                 nodeManagerListeners.remove(nodeManagerListener);
  98         }
  99
 100         protected void fireNodesUpdated(Node[] nodes) {
 101                 for (NodeManagerListener nodeManagerListener: nodeManagerListeners) {
 102                         nodeManagerListener.nodesUpdated(nodes);
 103                 }
 104         }
 105
 106         private void createActions() {
 107                 addNodeAction = new AbstractAction(I18n.getMessage("jsite.node-manager.add-node")) {
 108
 109                         @SuppressWarnings("synthetic-access")
 110                         public void actionPerformed(ActionEvent actionEvent) {
 111                                 addNode();
 112                         }
 113                 };
 114
 115                 deleteNodeAction = new AbstractAction(I18n.getMessage("jsite.node-manager.delete-node")) {
 116
 117                         @SuppressWarnings("synthetic-access")
 118                         public void actionPerformed(ActionEvent actionEvent) {
 119                                 deleteNode();
 120                         }
 121                 };
 122                 deleteNodeAction.setEnabled(false);
 123
 124                 I18nContainer.getInstance().registerRunnable(new Runnable() {
 125
 126                         public void run() {
 127                                 addNodeAction.putValue(Action.NAME, I18n.getMessage("jsite.node-manager.add-node"));
 128                                 deleteNodeAction.putValue(Action.NAME, I18n.getMessage("jsite.node-manager.delete-node"));
 129                         }
 130                 });
 131         }
 132
 133         private void pageInit() {
 134                 createActions();
 135                 nodeListModel = new DefaultListModel();
 136                 nodeList = new JList(nodeListModel);
 137                 nodeList.setName("node-list");
 138                 nodeList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
 139                 nodeList.addListSelectionListener(this);
 140                 nodeList.setPreferredSize(new Dimension(250, -1));
 141
 142                 nodeNameTextField = new JTextField("");
 143                 nodeNameTextField.getDocument().putProperty("Name", "node-name");
 144                 nodeNameTextField.getDocument().addDocumentListener(this);
 145                 nodeNameTextField.setEnabled(false);
 146
 147                 nodeHostnameTextField = new JTextField("localhost");
 148                 nodeHostnameTextField.getDocument().putProperty("Name", "node-hostname");
 149                 nodeHostnameTextField.getDocument().addDocumentListener(this);
 150                 nodeHostnameTextField.setEnabled(false);
 151
 152                 nodePortSpinner = new JSpinner(new SpinnerNumberModel(9481, 1, 65535, 1));
 153                 nodePortSpinner.setName("node-port");
 154                 nodePortSpinner.addChangeListener(this);
 155                 nodePortSpinner.setEnabled(false);
 156
 157                 JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 12, 12));
 158                 buttonPanel.setBorder(new EmptyBorder(-12, -12, -12, -12));
 159                 buttonPanel.add(new JButton(addNodeAction));
 160                 buttonPanel.add(new JButton(deleteNodeAction));
 161
 162                 JPanel centerPanel = new JPanel(new BorderLayout());
 163                 JPanel nodeInformationPanel = new JPanel(new GridBagLayout());
 164                 centerPanel.add(nodeInformationPanel, BorderLayout.PAGE_START);
 165                 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));
 166                 final JLabel nodeInformationLabel = new JLabel("<html><b>" + I18n.getMessage("jsite.node-manager.node-information") + "</b></html>");
 167                 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));
 168                 final TLabel nodeNameLabel = new TLabel(I18n.getMessage("jsite.node-manager.name") + ":", KeyEvent.VK_N, nodeNameTextField);
 169                 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));
 170                 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));
 171                 final TLabel nodeHostnameLabel = new TLabel(I18n.getMessage("jsite.node-manager.hostname") + ":", KeyEvent.VK_H, nodeHostnameTextField);
 172                 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));
 173                 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));
 174                 final TLabel nodePortLabel = new TLabel(I18n.getMessage("jsite.node-manager.port") + ":", KeyEvent.VK_P, nodePortSpinner);
 175                 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));
 176                 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));
 177
 178                 setLayout(new BorderLayout(12, 12));
 179                 add(new JScrollPane(nodeList), BorderLayout.LINE_START);
 180                 add(centerPanel, BorderLayout.CENTER);
 181
 182                 I18nContainer.getInstance().registerRunnable(new Runnable() {
 183
 184                         public void run() {
 185                                 nodeInformationLabel.setText("<html><b>" + I18n.getMessage("jsite.node-manager.node-information") + "</b></html>");
 186                                 nodeNameLabel.setText(I18n.getMessage("jsite.node-manager.name") + ":");
 187                                 nodeHostnameLabel.setText(I18n.getMessage("jsite.node-manager.hostname") + ":");
 188                                 nodePortLabel.setText(I18n.getMessage("jsite.node-manager.port") + ":");
 189                         }
 190                 });
 191         }
 192
 193         /**
 194          * {@inheritDoc}
 195          */
 196         @Override
 197         public void pageAdded(TWizard wizard) {
 198                 this.wizard.setNextEnabled(nodeListModel.getSize() > 0);
 199                 this.wizard.setPreviousName(I18n.getMessage("jsite.wizard.previous"));
 200                 this.wizard.setNextName(I18n.getMessage("jsite.wizard.next"));
 201                 this.wizard.setQuitName(I18n.getMessage("jsite.wizard.quit"));
 202         }
 203
 204         public void setNodes(Node[] nodes) {
 205                 nodeListModel.clear();
 206                 for (Node node: nodes) {
 207                         nodeListModel.addElement(node);
 208                 }
 209                 nodeList.repaint();
 210                 fireNodesUpdated(nodes);
 211         }
 212
 213         public Node[] getNodes() {
 214                 Node[] returnNodes = new Node[nodeListModel.getSize()];
 215                 for (int nodeIndex = 0, nodeCount = nodeListModel.getSize(); nodeIndex < nodeCount; nodeIndex++) {
 216                         returnNodes[nodeIndex] = (Node) nodeListModel.get(nodeIndex);
 217                 }
 218                 return returnNodes;
 219         }
 220
 221         private Node getSelectedNode() {
 222                 return (Node) nodeList.getSelectedValue();
 223         }
 224
 225         private void updateTextField(DocumentEvent documentEvent) {
 226                 Node node = getSelectedNode();
 227                 if (node == null) {
 228                         return;
 229                 }
 230                 Document document = documentEvent.getDocument();
 231                 String documentText = null;
 232                 try {
 233                         documentText = document.getText(0, document.getLength());
 234                 } catch (BadLocationException ble1) {
 235                 }
 236                 if (documentText == null) {
 237                         return;
 238                 }
 239                 String documentName = (String) document.getProperty("Name");
 240                 if ("node-name".equals(documentName)) {
 241                         node.setName(documentText);
 242                         nodeList.repaint();
 243                         fireNodesUpdated(getNodes());
 244                 } else if ("node-hostname".equals(documentName)) {
 245                         node.setHostname(documentText);
 246                         nodeList.repaint();
 247                         fireNodesUpdated(getNodes());
 248                 }
 249         }
 250
 251         //
 252         // ACTIONS
 253         //
 254
 255         private void addNode() {
 256                 Node node = new Node("localhost", 9481, I18n.getMessage("jsite.node-manager.new-node"));
 257                 nodeListModel.addElement(node);
 258                 wizard.setNextEnabled(true);
 259                 fireNodesUpdated(getNodes());
 260         }
 261
 262         private void deleteNode() {
 263                 Node node = getSelectedNode();
 264                 if (node == null) {
 265                         return;
 266                 }
 267                 if (JOptionPane.showConfirmDialog(wizard, I18n.getMessage("jsite.node-manager.delete-node.warning"), null, JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.CANCEL_OPTION) {
 268                         return;
 269                 }
 270                 nodeListModel.removeElement(node);
 271                 nodeList.repaint();
 272                 fireNodesUpdated(getNodes());
 273                 wizard.setNextEnabled(nodeListModel.size() > 0);
 274         }
 275
 276         //
 277         // INTERFACE ListSelectionListener
 278         //
 279
 280         /**
 281          * {@inheritDoc}
 282          */
 283         public void valueChanged(ListSelectionEvent e) {
 284                 Object source = e.getSource();
 285                 if (source instanceof JList) {
 286                         JList sourceList = (JList) source;
 287                         if ("node-list".equals(sourceList.getName())) {
 288                                 Node node = (Node) sourceList.getSelectedValue();
 289                                 boolean enabled = (node != null);
 290                                 nodeNameTextField.setEnabled(enabled);
 291                                 nodeHostnameTextField.setEnabled(enabled);
 292                                 nodePortSpinner.setEnabled(enabled);
 293                                 deleteNodeAction.setEnabled(enabled);
 294                                 if (enabled) {
 295                                         nodeNameTextField.setText(node.getName());
 296                                         nodeHostnameTextField.setText(node.getHostname());
 297                                         nodePortSpinner.setValue(node.getPort());
 298                                 } else {
 299                                         nodeNameTextField.setText("");
 300                                         nodeHostnameTextField.setText("localhost");
 301                                         nodePortSpinner.setValue(9481);
 302                                 }
 303                         }
 304                 }
 305         }
 306
 307         //
 308         // INTERFACE DocumentListener
 309         //
 310
 311         /**
 312          * {@inheritDoc}
 313          */
 314         public void insertUpdate(DocumentEvent e) {
 315                 updateTextField(e);
 316         }
 317
 318         /**
 319          * {@inheritDoc}
 320          */
 321         public void removeUpdate(DocumentEvent e) {
 322                 updateTextField(e);
 323         }
 324
 325         /**
 326          * {@inheritDoc}
 327          */
 328         public void changedUpdate(DocumentEvent e) {
 329                 updateTextField(e);
 330         }
 331
 332         //
 333         // INTERFACE ChangeListener
 334         //
 335
 336         /**
 337          * {@inheritDoc}
 338          */
 339         public void stateChanged(ChangeEvent e) {
 340                 Object source = e.getSource();
 341                 Node selectedNode = getSelectedNode();
 342                 if (selectedNode == null) {
 343                         return;
 344                 }
 345                 if (source instanceof JSpinner) {
 346                         JSpinner sourceSpinner = (JSpinner) source;
 347                         if ("node-port".equals(sourceSpinner.getName())) {
 348                                 selectedNode.setPort((Integer) sourceSpinner.getValue());
 349                                 nodeList.repaint();
 350                         }
 351                 }
 352         }
 353
 354 }