Examples with TreeExpansionListener javax.swing.event.TreeExpansionListener used on opensource projects

Example 1 with TreeExpansionListener

use of javax.swing.event.TreeExpansionListener in project jdk8u_jdk by JetBrains.

the class bug6505523 method createAndShowGUI.

private static void createAndShowGUI() {
    final DefaultMutableTreeNode root = new DefaultMutableTreeNode("Problem with NPE under JDK 1.6");
    final DefaultMutableTreeNode problematic = new DefaultMutableTreeNode("Expand me and behold a NPE in stderr");
    problematic.add(new DefaultMutableTreeNode("some content"));
    root.add(new DefaultMutableTreeNode("irrelevant..."));
    root.add(problematic);
    final DefaultTreeModel model = new DefaultTreeModel(root);
    tree = new JTree(model);
    tree.setRootVisible(true);
    tree.setShowsRootHandles(true);
    tree.expandRow(0);
    tree.collapseRow(2);
    // this is critical - without dragEnabled everything works
    tree.setDragEnabled(true);
    tree.addTreeExpansionListener(new TreeExpansionListener() {

        @Override
        public void treeExpanded(TreeExpansionEvent event) {
            TreeNode parent = problematic.getParent();
            if (parent instanceof DefaultMutableTreeNode) {
                model.removeNodeFromParent(problematic);
            }
        }

        @Override
        public void treeCollapsed(TreeExpansionEvent event) {
        }
    });
    JFrame frame = new JFrame("JTree Problem");
    frame.add(new JScrollPane(tree));
    frame.setSize(500, 300);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
}

Example 2 with TreeExpansionListener

use of javax.swing.event.TreeExpansionListener in project sldeditor by robward-scisys.

the class FileSystemExtension method initialise.

/**
 * Initialise.
 *
 * @param parent the parent
 * @param toolMgr the tool manager
 */
@Override
public void initialise(LoadSLDInterface parent, ToolSelectionInterface toolMgr) {
    this.toolMgr = toolMgr;
    this.parentObj = parent;
    if (toolMgr != null) {
        toolMgr.addRecursiveListener(this);
    }
    // Add extensions
    extensionList = FileSystemExtensionFactory.getFileExtensionList(toolMgr);
    extensionPanel = new JPanel();
    extensionPanel.setLayout(new BorderLayout());
    extensionPanel.setPreferredSize(new Dimension(450, 400));
    JPanel toolPanel = null;
    if (toolMgr != null) {
        toolPanel = toolMgr.getPanel();
    }
    if (toolPanel != null) {
        extensionPanel.add(toolPanel, BorderLayout.NORTH);
    }
    tree = new FSTree();
    tree.setRootVisible(true);
    DefaultMutableTreeNode rootNode;
    try {
        rootNode = new DefaultMutableTreeNode(ROOT_NODE);
        model = new DefaultTreeModel(rootNode);
        FileSystemNodeManager.create(tree, model);
        for (FileSystemInterface extension : extensionList) {
            extension.populate(tree, model, rootNode);
        }
    } catch (SecurityException e1) {
        ConsoleManager.getInstance().exception(this, e1);
    }
    tree.setModel(model);
    tree.setDragEnabled(true);
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);
    tree.addMouseListener(new MouseListener() {

        @Override
        public void mouseClicked(MouseEvent e) {
            if (SwingUtilities.isRightMouseButton(e)) {
                int row = tree.getClosestRowForLocation(e.getX(), e.getY());
                tree.setSelectionRow(row);
                Object selectedItem = tree.getLastSelectedPathComponent();
                Thread t1 = new Thread(new Runnable() {

                    public void run() {
                        JPopupMenu popupMenu = new JPopupMenu();
                        for (FileSystemInterface extension : extensionList) {
                            extension.rightMouseButton(popupMenu, selectedItem, e);
                        }
                        if ((popupMenu.getComponentCount() > 0) && (e != null)) {
                            popupMenu.show(e.getComponent(), e.getX(), e.getY());
                        }
                    }
                });
                t1.start();
            }
        }

        @Override
        public void mousePressed(MouseEvent e) {
        }

        @Override
        public void mouseReleased(MouseEvent e) {
        }

        @Override
        public void mouseEntered(MouseEvent e) {
        }

        @Override
        public void mouseExited(MouseEvent e) {
        }
    });
    // Listen for Tree Selection Events
    tree.addTreeExpansionListener(new TreeExpansionListener() {

        /*
             * (non-Javadoc)
             * 
             * @see javax.swing.event.TreeExpansionListener#treeExpanded(javax.swing.event.TreeExpansionEvent)
             */
        public void treeExpanded(TreeExpansionEvent evt) {
            TreePath path = evt.getPath();
            Object selectedItem = path.getLastPathComponent();
            for (FileSystemInterface extension : extensionList) {
                if (extension.treeExpanded(selectedItem)) {
                    ((DefaultTreeModel) tree.getModel()).nodeStructureChanged((TreeNode) selectedItem);
                }
            }
        }

        /*
             * (non-Javadoc)
             * 
             * @see javax.swing.event.TreeExpansionListener#treeCollapsed(javax.swing.event.TreeExpansionEvent)
             */
        public void treeCollapsed(TreeExpansionEvent evt) {
        // Nothing to do
        }
    });
    // Tree selection listener
    tree.setTreeSelection(this);
    JPanel panel = new JPanel();
    panel.setLayout(new BoxLayout(panel, BoxLayout.LINE_AXIS));
    panel.add(new JScrollPane(tree));
    extensionPanel.add(panel, BorderLayout.CENTER);
    logger.debug("FileSystem initialise finished");
}

Example 3 with TreeExpansionListener

use of javax.swing.event.TreeExpansionListener in project IBMiProgTool by vzupka.

the class MainWindow method createNewLeftSide.

/**
 * Create split panes containing the PC file tree and table on the left side
 * of the window.
 *
 * @param leftRoot
 */
protected void createNewLeftSide(String leftRoot) {
    // Create new left hand tree
    leftPathString = leftRoot;
    leftTopNode = new DefaultMutableTreeNode(leftPathString);
    leftTreeMap.put(leftRoot, 0);
    // Create left hand tree
    leftTree = new JTree(leftTopNode);
    // Create tree model
    leftTreeModel = (DefaultTreeModel) leftTree.getModel();
    // Mouse listener for left tree
    leftTreeMouseListener = new LeftTreeMouseAdapter();
    leftTree.addMouseListener(leftTreeMouseListener);
    // Tree expansion listener for left tree
    TreeExpansionListener leftTreeExpansionListener = new LeftTreeExpansionListener();
    leftTree.addTreeExpansionListener(leftTreeExpansionListener);
    leftTree.setDragEnabled(true);
    leftTree.setDropMode(DropMode.USE_SELECTION);
    leftTree.setTransferHandler(new LeftTreeTransferHandler(this));
    leftTreeSelModel = leftTree.getSelectionModel();
    leftTreeSelModel.setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);
    leftRowMapper = leftTreeSelModel.getRowMapper();
    leftTree.setRootVisible(true);
    leftTree.setShowsRootHandles(true);
    leftTree.setSelectionRow(0);
    // Add PC nodes to the left tree
    leftTreeMap.put(leftPathString, 0);
    addPCNodes(Paths.get(leftPathString), leftTopNode);
    leftTree.expandRow(0);
    // Place the left tree in scroll pane
    scrollPaneLeft.setViewportView(leftTree);
    // Change cursor to default
    // setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
    // Remove setting last element of messages
    scrollMessagePane.getVerticalScrollBar().removeAdjustmentListener(messageScrollPaneAdjustmentListenerMax);
}

Example 4 with TreeExpansionListener

use of javax.swing.event.TreeExpansionListener in project WorldPainter by Captain-Chaos.

the class MapExplorer method main.

public static void main(String[] args) throws IOException, ClassNotFoundException {
    // Load or initialise configuration
    File configDir = Configuration.getConfigDir();
    if (!configDir.isDirectory()) {
        configDir.mkdirs();
    }
    // This will migrate the configuration directory if necessary
    Configuration config = Configuration.load();
    if (config == null) {
        if (!logger.isDebugEnabled()) {
            // If debug logging is on, the Configuration constructor will
            // already log this
            logger.info("Creating new configuration");
        }
        config = new Configuration();
    }
    Configuration.setInstance(config);
    logger.info("Installation ID: " + config.getUuid());
    // Load and install trusted WorldPainter root certificate
    X509Certificate trustedCert = null;
    try {
        CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
        trustedCert = (X509Certificate) certificateFactory.generateCertificate(Main.class.getResourceAsStream("/wproot.pem"));
        WPTrustManager trustManager = new WPTrustManager(trustedCert);
        SSLContext sslContext = SSLContext.getInstance("SSL");
        sslContext.init(null, new TrustManager[] { trustManager }, new SecureRandom());
        HttpsURLConnection.setDefaultSSLSocketFactory(sslContext.getSocketFactory());
    } catch (CertificateException e) {
        logger.error("Certificate exception while loading trusted root certificate", e);
    } catch (NoSuchAlgorithmException e) {
        logger.error("No such algorithm exception while loading trusted root certificate", e);
    } catch (KeyManagementException e) {
        logger.error("Key management exception while loading trusted root certificate", e);
    }
    // Load the plugins
    if (trustedCert != null) {
        PluginManager.loadPlugins(new File(configDir, "plugins"), trustedCert.getPublicKey());
    } else {
        logger.error("Trusted root certificate not available; not loading plugins");
    }
    WPPluginManager.initialise(config.getUuid());
    SwingUtilities.invokeLater(() -> {
        JFrame frame = new JFrame("Minecraft Map Explorer");
        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        MapTreeModel treeModel = new MapTreeModel();
        // File minecraftDir = MinecraftUtil.findMinecraftDir();
        // File defaultDir;
        // if (minecraftDir != null) {
        // defaultDir = new File(minecraftDir, "saves");
        // } else {
        // defaultDir = new File(System.getProperty("user.home"));
        // }
        JTree tree = new JTree(treeModel);
        tree.setRootVisible(false);
        tree.setShowsRootHandles(true);
        tree.setCellRenderer(new MapTreeCellRenderer());
        JScrollPane scrollPane = new JScrollPane(tree);
        // tree.expandPath(treeModel.getPath(defaultDir));
        // tree.scrollPathToVisible(treeModel.getPath(defaultDir));
        // Automatically expand any nodes if they only have one child
        tree.addTreeExpansionListener(new TreeExpansionListener() {

            @Override
            public void treeExpanded(TreeExpansionEvent event) {
                Object node = event.getPath().getLastPathComponent();
                if ((!treeModel.isLeaf(node)) && (treeModel.getChildCount(node) == 1)) {
                    tree.expandPath(event.getPath().pathByAddingChild(treeModel.getChild(node, 0)));
                }
            }

            @Override
            public void treeCollapsed(TreeExpansionEvent event) {
            }
        });
        tree.addMouseListener(new MouseAdapter() {

            @Override
            public void mouseClicked(MouseEvent e) {
                if (e.getClickCount() == 2) {
                    TreePath path = tree.getPathForLocation(e.getX(), e.getY());
                    if (path != null) {
                        ((Node) path.getLastPathComponent()).doubleClicked();
                    }
                }
            }
        });
        frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
        frame.setSize(1024, 768);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    });
}

Example 5 with TreeExpansionListener

use of javax.swing.event.TreeExpansionListener in project cayenne by apache.

the class DbImportTree method createTreeExpandListener.

private void createTreeExpandListener() {
    TreeExpansionListener treeExpansionListener = new TreeExpansionListener() {

        @Override
        public void treeExpanded(TreeExpansionEvent event) {
            TreePath path = event.getPath();
            Object lastPathComponent = path.getLastPathComponent();
            if (!(lastPathComponent instanceof TransferableNode)) {
                return;
            }
            DbImportTreeNode node = (DbImportTreeNode) lastPathComponent;
            if ((node.isIncludeTable() || node.isSchema() || node.isCatalog()) && !node.isLoaded()) {
                // reload tables and columns action.
                LoadDbSchemaAction action = Application.getInstance().getActionManager().getAction(LoadDbSchemaAction.class);
                action.performAction(null, path);
            }
        }

        @Override
        public void treeCollapsed(TreeExpansionEvent event) {
        }
    };
    this.addTreeExpansionListener(treeExpansionListener);
}