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