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.util.swing.TLabel;
  59 import de.todesbaum.util.swing.TWizard;
  60 import de.todesbaum.util.swing.TWizardPage;
  61
  62 /**
  63  * @author David Roden &lt;droden@gmail.com&gt;
  64  * @version $Id: NodeManagerPage.java 418 2006-03-29 17:49:16Z bombe $
  65  */
  66 public class NodeManagerPage extends TWizardPage implements ListSelectionListener, DocumentListener, ChangeListener {
  67
  68         private List<NodeManagerListener> nodeManagerListeners = new ArrayList<NodeManagerListener>();
  69         private TWizard wizard;
  70
  71         private Action addNodeAction;
  72         private 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() {
  80                 super();
  81                 pageInit();
  82                 setHeading(I18n.getMessage("jsite.node-manager.heading"));
  83                 setDescription(I18n.getMessage("jsite.node-manager.description"));
  84         }
  85
  86         public void addNodeManagerListener(NodeManagerListener nodeManagerListener) {
  87                 nodeManagerListeners.add(nodeManagerListener);
  88         }
  89
  90         public void removeNodeManagerListener(NodeManagerListener nodeManagerListener) {
  91                 nodeManagerListeners.remove(nodeManagerListener);
  92         }
  93
  94         protected void fireNodesUpdated(Node[] nodes) {
  95                 for (NodeManagerListener nodeManagerListener: nodeManagerListeners) {
  96                         nodeManagerListener.nodesUpdated(nodes);
  97                 }
  98         }
  99
 100         private void createActions() {
 101                 addNodeAction = new AbstractAction(I18n.getMessage("jsite.node-manager.add-node")) {
 102
 103                         public void actionPerformed(ActionEvent actionEvent) {
 104                                 addNode();
 105                         }
 106                 };
 107
 108                 deleteNodeAction = new AbstractAction(I18n.getMessage("jsite.node-manager.delete-node")) {
 109
 110                         public void actionPerformed(ActionEvent actionEvent) {
 111                                 deleteNode();
 112                         }
 113                 };
 114                 deleteNodeAction.setEnabled(false);
 115         }
 116
 117         private void pageInit() {
 118                 createActions();
 119                 nodeListModel = new DefaultListModel();
 120                 nodeList = new JList(nodeListModel);
 121                 nodeList.setName("node-list");
 122                 nodeList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
 123                 nodeList.addListSelectionListener(this);
 124                 nodeList.setPreferredSize(new Dimension(250, -1));
 125
 126                 nodeNameTextField = new JTextField("");
 127                 nodeNameTextField.getDocument().putProperty("Name", "node-name");
 128                 nodeNameTextField.getDocument().addDocumentListener(this);
 129                 nodeNameTextField.setEnabled(false);
 130
 131                 nodeHostnameTextField = new JTextField("localhost");
 132                 nodeHostnameTextField.getDocument().putProperty("Name", "node-hostname");
 133                 nodeHostnameTextField.getDocument().addDocumentListener(this);
 134                 nodeHostnameTextField.setEnabled(false);
 135
 136                 nodePortSpinner = new JSpinner(new SpinnerNumberModel(9481, 1, 65535, 1));
 137                 nodePortSpinner.setName("node-port");
 138                 nodePortSpinner.addChangeListener(this);
 139                 nodePortSpinner.setEnabled(false);
 140
 141                 JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 12, 12));
 142                 buttonPanel.setBorder(new EmptyBorder(-12, -12, -12, -12));
 143                 buttonPanel.add(new JButton(addNodeAction));
 144                 buttonPanel.add(new JButton(deleteNodeAction));
 145
 146                 JPanel centerPanel = new JPanel(new BorderLayout());
 147                 JPanel nodeInformationPanel = new JPanel(new GridBagLayout());
 148                 centerPanel.add(nodeInformationPanel, BorderLayout.PAGE_START);
 149                 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));
 150                 nodeInformationPanel.add(new JLabel("<html><b>" + I18n.getMessage("jsite.node-manager.node-information") + "</b></html>"), new GridBagConstraints(0, 1, 2, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.HORIZONTAL, new Insets(6, 0, 0, 0), 0, 0));
 151                 nodeInformationPanel.add(new TLabel(I18n.getMessage("jsite.node-manager.name"), KeyEvent.VK_N, nodeNameTextField), new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.NONE, new Insets(6, 18, 0, 0), 0, 0));
 152                 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));
 153                 nodeInformationPanel.add(new TLabel(I18n.getMessage("jsite.node-manager.hostname"), KeyEvent.VK_H, nodeHostnameTextField), new GridBagConstraints(0, 3, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.NONE, new Insets(6, 18, 0, 0), 0, 0));
 154                 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));
 155                 nodeInformationPanel.add(new TLabel(I18n.getMessage("jsite.node-manager.port"), KeyEvent.VK_P, nodePortSpinner), new GridBagConstraints(0, 4, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.NONE, new Insets(6, 18, 0, 0), 0, 0));
 156                 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));
 157
 158                 setLayout(new BorderLayout(12, 12));
 159                 add(new JScrollPane(nodeList), BorderLayout.LINE_START);
 160                 add(centerPanel, BorderLayout.CENTER);
 161         }
 162
 163         /**
 164          * {@inheritDoc}
 165          */
 166         @Override
 167         public void pageAdded(TWizard wizard) {
 168                 this.wizard = wizard;
 169                 wizard.setNextEnabled(nodeListModel.getSize() > 0);
 170         }
 171
 172         public void setNodes(Node[] nodes) {
 173                 nodeListModel.clear();
 174                 for (Node node: nodes) {
 175                         nodeListModel.addElement(node);
 176                 }
 177                 nodeList.repaint();
 178                 fireNodesUpdated(nodes);
 179         }
 180
 181         public Node[] getNodes() {
 182                 Node[] returnNodes = new Node[nodeListModel.getSize()];
 183                 for (int nodeIndex = 0, nodeCount = nodeListModel.getSize(); nodeIndex < nodeCount; nodeIndex++) {
 184                         returnNodes[nodeIndex] = (Node) nodeListModel.get(nodeIndex);
 185                 }
 186                 return returnNodes;
 187         }
 188
 189         private Node getSelectedNode() {
 190                 return (Node) nodeList.getSelectedValue();
 191         }
 192
 193         private void updateTextField(DocumentEvent documentEvent) {
 194                 Node node = getSelectedNode();
 195                 if (node == null) {
 196                         return;
 197                 }
 198                 Document document = documentEvent.getDocument();
 199                 String documentText = null;
 200                 try {
 201                         documentText = document.getText(0, document.getLength());
 202                 } catch (BadLocationException ble1) {
 203                 }
 204                 if (documentText == null) {
 205                         return;
 206                 }
 207                 String documentName = (String) document.getProperty("Name");
 208                 if ("node-name".equals(documentName)) {
 209                         node.setName(documentText);
 210                         nodeList.repaint();
 211                         fireNodesUpdated(getNodes());
 212                 } else if ("node-hostname".equals(documentName)) {
 213                         node.setHostname(documentText);
 214                         nodeList.repaint();
 215                 }
 216         }
 217
 218         //
 219         // ACTIONS
 220         //
 221
 222         protected void addNode() {
 223                 Node node = new Node("localhost", 9481, I18n.getMessage("jsite.node-manager.new-node"));
 224                 nodeListModel.addElement(node);
 225                 wizard.setNextEnabled(true);
 226                 fireNodesUpdated(getNodes());
 227         }
 228
 229         protected void deleteNode() {
 230                 Node node = getSelectedNode();
 231                 if (node == null) {
 232                         return;
 233                 }
 234                 if (JOptionPane.showConfirmDialog(wizard, I18n.getMessage("jsite.node-manager.delete-node.warning"), null, JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.CANCEL_OPTION) {
 235                         return;
 236                 }
 237                 nodeListModel.removeElement(node);
 238                 nodeList.repaint();
 239                 fireNodesUpdated(getNodes());
 240                 wizard.setNextEnabled(nodeListModel.size() > 0);
 241         }
 242
 243         //
 244         // INTERFACE ListSelectionListener
 245         //
 246
 247         /**
 248          * {@inheritDoc}
 249          */
 250         public void valueChanged(ListSelectionEvent e) {
 251                 Object source = e.getSource();
 252                 if (source instanceof JList) {
 253                         JList sourceList = (JList) source;
 254                         if ("node-list".equals(sourceList.getName())) {
 255                                 Node node = (Node) sourceList.getSelectedValue();
 256                                 boolean enabled = (node != null);
 257                                 nodeNameTextField.setEnabled(enabled);
 258                                 nodeHostnameTextField.setEnabled(enabled);
 259                                 nodePortSpinner.setEnabled(enabled);
 260                                 deleteNodeAction.setEnabled(enabled);
 261                                 if (enabled) {
 262                                         nodeNameTextField.setText(node.getName());
 263                                         nodeHostnameTextField.setText(node.getHostname());
 264                                         nodePortSpinner.setValue(node.getPort());
 265                                 } else {
 266                                         nodeNameTextField.setText("");
 267                                         nodeHostnameTextField.setText("localhost");
 268                                         nodePortSpinner.setValue(9481);
 269                                 }
 270                         }
 271                 }
 272         }
 273
 274         //
 275         // INTERFACE DocumentListener
 276         //
 277
 278         /**
 279          * {@inheritDoc}
 280          */
 281         public void insertUpdate(DocumentEvent e) {
 282                 updateTextField(e);
 283         }
 284
 285         /**
 286          * {@inheritDoc}
 287          */
 288         public void removeUpdate(DocumentEvent e) {
 289                 updateTextField(e);
 290         }
 291
 292         /**
 293          * {@inheritDoc}
 294          */
 295         public void changedUpdate(DocumentEvent e) {
 296                 updateTextField(e);
 297         }
 298
 299         //
 300         // INTERFACE ChangeListener
 301         //
 302
 303         /**
 304          * {@inheritDoc}
 305          */
 306         public void stateChanged(ChangeEvent e) {
 307                 Object source = e.getSource();
 308                 Node selectedNode = getSelectedNode();
 309                 if (selectedNode == null) {
 310                         return;
 311                 }
 312                 if (source instanceof JSpinner) {
 313                         JSpinner sourceSpinner = (JSpinner) source;
 314                         if ("node-port".equals(sourceSpinner.getName())) {
 315                                 selectedNode.setPort((Integer) sourceSpinner.getValue());
 316                                 nodeList.repaint();
 317                         }
 318                 }
 319         }
 320
 321 }