--- /dev/null
+/*
+ * jSite - NodeManagerPage.java - Copyright © 2006–2012 David Roden
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+package de.todesbaum.jsite.gui;
+
+import java.awt.BorderLayout;
+import java.awt.Dimension;
+import java.awt.FlowLayout;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.Insets;
+import java.awt.event.ActionEvent;
+import java.awt.event.KeyEvent;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.swing.AbstractAction;
+import javax.swing.Action;
+import javax.swing.DefaultListModel;
+import javax.swing.JButton;
+import javax.swing.JLabel;
+import javax.swing.JList;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JSpinner;
+import javax.swing.JTextField;
+import javax.swing.ListSelectionModel;
+import javax.swing.SpinnerNumberModel;
+import javax.swing.border.EmptyBorder;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
+import javax.swing.event.ListSelectionEvent;
+import javax.swing.event.ListSelectionListener;
+import javax.swing.text.BadLocationException;
+import javax.swing.text.Document;
+
+import de.todesbaum.jsite.application.Node;
+import de.todesbaum.jsite.i18n.I18n;
+import de.todesbaum.jsite.i18n.I18nContainer;
+import de.todesbaum.util.swing.TLabel;
+import de.todesbaum.util.swing.TWizard;
+import de.todesbaum.util.swing.TWizardPage;
+
+/**
+ * Wizard page that lets the user edit his nodes.
+ *
+ * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
+ */
+public class NodeManagerPage extends TWizardPage implements ListSelectionListener, DocumentListener, ChangeListener {
+
+ /** List of node manager listeners. */
+ private List<NodeManagerListener> nodeManagerListeners = new ArrayList<NodeManagerListener>();
+
+ /** The “add node” action. */
+ protected Action addNodeAction;
+
+ /** The “delete node” action. */
+ protected Action deleteNodeAction;
+
+ /** The node list model. */
+ private DefaultListModel nodeListModel;
+
+ /** The node list. */
+ private JList nodeList;
+
+ /** The node name textfield. */
+ private JTextField nodeNameTextField;
+
+ /** The node hostname textfield. */
+ private JTextField nodeHostnameTextField;
+
+ /** The spinner for the node port. */
+ private JSpinner nodePortSpinner;
+
+ /**
+ * Creates a new node manager wizard page.
+ *
+ * @param wizard
+ * The wizard this page belongs to
+ */
+ public NodeManagerPage(final TWizard wizard) {
+ super(wizard);
+ pageInit();
+ setHeading(I18n.getMessage("jsite.node-manager.heading"));
+ setDescription(I18n.getMessage("jsite.node-manager.description"));
+ I18nContainer.getInstance().registerRunnable(new Runnable() {
+
+ @Override
+ public void run() {
+ setHeading(I18n.getMessage("jsite.node-manager.heading"));
+ setDescription(I18n.getMessage("jsite.node-manager.description"));
+ }
+ });
+ }
+
+ /**
+ * Adds a listener for node manager events.
+ *
+ * @param nodeManagerListener
+ * The listener to add
+ */
+ public void addNodeManagerListener(NodeManagerListener nodeManagerListener) {
+ nodeManagerListeners.add(nodeManagerListener);
+ }
+
+ /**
+ * Removes a listener for node manager events.
+ *
+ * @param nodeManagerListener
+ * The listener to remove
+ */
+ public void removeNodeManagerListener(NodeManagerListener nodeManagerListener) {
+ nodeManagerListeners.remove(nodeManagerListener);
+ }
+
+ /**
+ * Notifies all listeners that the node configuration has changed.
+ *
+ * @param nodes
+ * The new list of nodes
+ */
+ protected void fireNodesUpdated(Node[] nodes) {
+ for (NodeManagerListener nodeManagerListener : nodeManagerListeners) {
+ nodeManagerListener.nodesUpdated(nodes);
+ }
+ }
+
+ /**
+ * Notifies all listeners that a new node was selected.
+ *
+ * @param node
+ * The newly selected node
+ */
+ protected void fireNodeSelected(Node node) {
+ for (NodeManagerListener nodeManagerListener : nodeManagerListeners) {
+ nodeManagerListener.nodeSelected(node);
+ }
+ }
+
+ /**
+ * Creates all actions.
+ */
+ private void createActions() {
+ addNodeAction = new AbstractAction(I18n.getMessage("jsite.node-manager.add-node")) {
+
+ @Override
+ @SuppressWarnings("synthetic-access")
+ public void actionPerformed(ActionEvent actionEvent) {
+ addNode();
+ }
+ };
+
+ deleteNodeAction = new AbstractAction(I18n.getMessage("jsite.node-manager.delete-node")) {
+
+ @Override
+ @SuppressWarnings("synthetic-access")
+ public void actionPerformed(ActionEvent actionEvent) {
+ deleteNode();
+ }
+ };
+ deleteNodeAction.setEnabled(false);
+
+ I18nContainer.getInstance().registerRunnable(new Runnable() {
+
+ @Override
+ public void run() {
+ addNodeAction.putValue(Action.NAME, I18n.getMessage("jsite.node-manager.add-node"));
+ deleteNodeAction.putValue(Action.NAME, I18n.getMessage("jsite.node-manager.delete-node"));
+ }
+ });
+ }
+
+ /**
+ * Initializes the page and all components in it.
+ */
+ private void pageInit() {
+ createActions();
+ nodeListModel = new DefaultListModel();
+ nodeList = new JList(nodeListModel);
+ nodeList.setName("node-list");
+ nodeList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
+ nodeList.addListSelectionListener(this);
+ nodeList.setPreferredSize(new Dimension(250, -1));
+
+ nodeNameTextField = new JTextField("");
+ nodeNameTextField.getDocument().putProperty("Name", "node-name");
+ nodeNameTextField.getDocument().addDocumentListener(this);
+ nodeNameTextField.setEnabled(false);
+
+ nodeHostnameTextField = new JTextField("localhost");
+ nodeHostnameTextField.getDocument().putProperty("Name", "node-hostname");
+ nodeHostnameTextField.getDocument().addDocumentListener(this);
+ nodeHostnameTextField.setEnabled(false);
+
+ nodePortSpinner = new JSpinner(new SpinnerNumberModel(9481, 1, 65535, 1));
+ nodePortSpinner.setName("node-port");
+ nodePortSpinner.addChangeListener(this);
+ nodePortSpinner.setEnabled(false);
+
+ JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 12, 12));
+ buttonPanel.setBorder(new EmptyBorder(-12, -12, -12, -12));
+ buttonPanel.add(new JButton(addNodeAction));
+ buttonPanel.add(new JButton(deleteNodeAction));
+
+ JPanel centerPanel = new JPanel(new BorderLayout());
+ JPanel nodeInformationPanel = new JPanel(new GridBagLayout());
+ centerPanel.add(nodeInformationPanel, BorderLayout.PAGE_START);
+ 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));
+ final JLabel nodeInformationLabel = new JLabel("<html><b>" + I18n.getMessage("jsite.node-manager.node-information") + "</b></html>");
+ 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));
+ final TLabel nodeNameLabel = new TLabel(I18n.getMessage("jsite.node-manager.name") + ":", KeyEvent.VK_N, nodeNameTextField);
+ 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));
+ 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));
+ final TLabel nodeHostnameLabel = new TLabel(I18n.getMessage("jsite.node-manager.hostname") + ":", KeyEvent.VK_H, nodeHostnameTextField);
+ 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));
+ 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));
+ final TLabel nodePortLabel = new TLabel(I18n.getMessage("jsite.node-manager.port") + ":", KeyEvent.VK_P, nodePortSpinner);
+ 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));
+ 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));
+
+ setLayout(new BorderLayout(12, 12));
+ add(new JScrollPane(nodeList), BorderLayout.LINE_START);
+ add(centerPanel, BorderLayout.CENTER);
+
+ I18nContainer.getInstance().registerRunnable(new Runnable() {
+
+ @Override
+ public void run() {
+ nodeInformationLabel.setText("<html><b>" + I18n.getMessage("jsite.node-manager.node-information") + "</b></html>");
+ nodeNameLabel.setText(I18n.getMessage("jsite.node-manager.name") + ":");
+ nodeHostnameLabel.setText(I18n.getMessage("jsite.node-manager.hostname") + ":");
+ nodePortLabel.setText(I18n.getMessage("jsite.node-manager.port") + ":");
+ }
+ });
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void pageAdded(TWizard wizard) {
+ this.wizard.setNextEnabled(nodeListModel.getSize() > 0);
+ this.wizard.setPreviousName(I18n.getMessage("jsite.wizard.previous"));
+ this.wizard.setNextName(I18n.getMessage("jsite.wizard.next"));
+ this.wizard.setQuitName(I18n.getMessage("jsite.wizard.quit"));
+ }
+
+ /**
+ * Sets the node list.
+ *
+ * @param nodes
+ * The list of nodes
+ */
+ public void setNodes(Node[] nodes) {
+ nodeListModel.clear();
+ for (Node node : nodes) {
+ nodeListModel.addElement(node);
+ }
+ nodeList.repaint();
+ fireNodesUpdated(nodes);
+ }
+
+ /**
+ * Returns the node list.
+ *
+ * @return The list of nodes
+ */
+ public Node[] getNodes() {
+ Node[] returnNodes = new Node[nodeListModel.getSize()];
+ for (int nodeIndex = 0, nodeCount = nodeListModel.getSize(); nodeIndex < nodeCount; nodeIndex++) {
+ returnNodes[nodeIndex] = (Node) nodeListModel.get(nodeIndex);
+ }
+ return returnNodes;
+ }
+
+ /**
+ * Returns the currently selected node.
+ *
+ * @return The selected node, or <code>null</code> if no node is selected
+ */
+ private Node getSelectedNode() {
+ return (Node) nodeList.getSelectedValue();
+ }
+
+ /**
+ * Updates node name or hostname when the user types into the textfields.
+ *
+ * @see #insertUpdate(DocumentEvent)
+ * @see #removeUpdate(DocumentEvent)
+ * @see #changedUpdate(DocumentEvent)
+ * @see DocumentListener
+ * @param documentEvent
+ * The document event
+ */
+ private void updateTextField(DocumentEvent documentEvent) {
+ Node node = getSelectedNode();
+ if (node == null) {
+ return;
+ }
+ Document document = documentEvent.getDocument();
+ String documentText = null;
+ try {
+ documentText = document.getText(0, document.getLength());
+ } catch (BadLocationException ble1) {
+ /* ignore. */
+ }
+ if (documentText == null) {
+ return;
+ }
+ String documentName = (String) document.getProperty("Name");
+ if ("node-name".equals(documentName)) {
+ node.setName(documentText);
+ nodeList.repaint();
+ fireNodesUpdated(getNodes());
+ } else if ("node-hostname".equals(documentName)) {
+ node.setHostname(documentText);
+ nodeList.repaint();
+ fireNodesUpdated(getNodes());
+ }
+ }
+
+ //
+ // ACTIONS
+ //
+
+ /**
+ * Adds a new node to the list of nodes.
+ */
+ private void addNode() {
+ Node node = new Node("localhost", 9481, I18n.getMessage("jsite.node-manager.new-node"));
+ nodeListModel.addElement(node);
+ deleteNodeAction.setEnabled(nodeListModel.size() > 1);
+ wizard.setNextEnabled(true);
+ fireNodesUpdated(getNodes());
+ }
+
+ /**
+ * Deletes the currently selected node from the list of nodes.
+ */
+ private void deleteNode() {
+ Node node = getSelectedNode();
+ if (node == null) {
+ return;
+ }
+ if (JOptionPane.showConfirmDialog(wizard, I18n.getMessage("jsite.node-manager.delete-node.warning"), null, JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE) == JOptionPane.CANCEL_OPTION) {
+ return;
+ }
+ int nodeIndex = nodeListModel.indexOf(node);
+ nodeListModel.removeElement(node);
+ nodeList.repaint();
+ fireNodeSelected((Node) nodeListModel.get(Math.min(nodeIndex, nodeListModel.size() - 1)));
+ fireNodesUpdated(getNodes());
+ deleteNodeAction.setEnabled(nodeListModel.size() > 1);
+ wizard.setNextEnabled(nodeListModel.size() > 0);
+ }
+
+ //
+ // INTERFACE ListSelectionListener
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ @SuppressWarnings("null")
+ public void valueChanged(ListSelectionEvent e) {
+ Object source = e.getSource();
+ if (source instanceof JList) {
+ JList sourceList = (JList) source;
+ if ("node-list".equals(sourceList.getName())) {
+ Node node = (Node) sourceList.getSelectedValue();
+ boolean enabled = (node != null);
+ nodeNameTextField.setEnabled(enabled);
+ nodeHostnameTextField.setEnabled(enabled);
+ nodePortSpinner.setEnabled(enabled);
+ deleteNodeAction.setEnabled(enabled && (nodeListModel.size() > 1));
+ if (enabled) {
+ nodeNameTextField.setText(node.getName());
+ nodeHostnameTextField.setText(node.getHostname());
+ nodePortSpinner.setValue(node.getPort());
+ } else {
+ nodeNameTextField.setText("");
+ nodeHostnameTextField.setText("localhost");
+ nodePortSpinner.setValue(9481);
+ }
+ }
+ }
+ }
+
+ //
+ // INTERFACE DocumentListener
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void insertUpdate(DocumentEvent e) {
+ updateTextField(e);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void removeUpdate(DocumentEvent e) {
+ updateTextField(e);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void changedUpdate(DocumentEvent e) {
+ updateTextField(e);
+ }
+
+ //
+ // INTERFACE ChangeListener
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void stateChanged(ChangeEvent e) {
+ Object source = e.getSource();
+ Node selectedNode = getSelectedNode();
+ if (selectedNode == null) {
+ return;
+ }
+ if (source instanceof JSpinner) {
+ JSpinner sourceSpinner = (JSpinner) source;
+ if ("node-port".equals(sourceSpinner.getName())) {
+ selectedNode.setPort((Integer) sourceSpinner.getValue());
+ fireNodeSelected(selectedNode);
+ nodeList.repaint();
+ }
+ }
+ }
+
+}
projects / jSite.git / blobdiff