Example usage for javax.swing.event TreeSelectionListener TreeSelectionListener

Introduction

In this page you can find the example usage for javax.swing.event TreeSelectionListener TreeSelectionListener.

Prototype

TreeSelectionListener

Source Link

Usage

From source file:ComponentTree.java

/**
 * This main() method demonstrates the use of the ComponentTree class: it
 * puts a ComponentTree component in a Frame, and uses the ComponentTree to
 * display its own GUI hierarchy. It also adds a TreeSelectionListener to
 * display additional information about each component as it is selected
 *//*  w ww  .j  av  a2  s .c o  m*/
public static void main(String[] args) {
    // Create a frame for the demo, and handle window close requests
    JFrame frame = new JFrame("ComponentTree Demo");
    frame.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
            System.exit(0);
        }
    });

    // Create a scroll pane and a "message line" and add them to the
    // center and bottom of the frame.
    JScrollPane scrollpane = new JScrollPane();
    final JLabel msgline = new JLabel(" ");
    frame.getContentPane().add(scrollpane, BorderLayout.CENTER);
    frame.getContentPane().add(msgline, BorderLayout.SOUTH);

    // Now create the ComponentTree object, specifying the frame as the
    // component whose tree is to be displayed. Also set the tree's font.
    JTree tree = new ComponentTree(frame);
    tree.setFont(new Font("SansSerif", Font.BOLD, 12));

    // Only allow a single item in the tree to be selected at once
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);

    // Add an event listener for notifications when
    // the tree selection state changes.
    tree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent e) {
            // Tree selections are referred to by "path"
            // We only care about the last node in the path
            TreePath path = e.getPath();
            Component c = (Component) path.getLastPathComponent();
            // Now we know what component was selected, so
            // display some information about it in the message line
            if (c.isShowing()) {
                Point p = c.getLocationOnScreen();
                msgline.setText("x: " + p.x + "  y: " + p.y + "  width: " + c.getWidth() + "  height: "
                        + c.getHeight());
            } else {
                msgline.setText("component is not showing");
            }
        }
    });

    // Now that we've set up the tree, add it to the scrollpane
    scrollpane.setViewportView(tree);

    // Finally, set the size of the main window, and pop it up.
    frame.setSize(600, 400);
    frame.setVisible(true);
}

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From source file:MainClass.java

public MainClass(File dir) {
    setLayout(new BorderLayout());
    JTree tree = new JTree(addNodes(null, dir));

    tree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent e) {
            DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.getPath().getLastPathComponent();
            System.out.println("You selected " + node);
        }//  w  w  w .j  a  v a 2  s  .c  om
    });

    JScrollPane scrollpane = new JScrollPane();
    scrollpane.getViewport().add(tree);
    add(BorderLayout.CENTER, scrollpane);
}

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From source file:Main.java

public Main(File dir) {
    setLayout(new BorderLayout());
    JTree tree = new JTree(addNodes(null, projectFile));
    tree.setCellRenderer(new MyTreeCellRenderer());
    tree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent e) {
            DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.getPath().getLastPathComponent();
            System.out.println("You selected " + node);
        }/*from  ww w.j  a  v a2s  .com*/
    });

    JScrollPane scrollpane = new JScrollPane();
    scrollpane.getViewport().add(tree);
    add(scrollpane, BorderLayout.CENTER);
}

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From source file:FileTreeFrame.java

public FileTreeFrame(String directory) {
    super("JTree FileSystem Viewer");
    fileDetailsTextArea.setEditable(false);
    fileSystemModel = new FileSystemModel(new File(directory));
    fileTree = new JTree(fileSystemModel);
    fileTree.setEditable(true);/* w w w.jav  a 2 s.com*/
    fileTree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent event) {
            File file = (File) fileTree.getLastSelectedPathComponent();
            fileDetailsTextArea.setText(getFileDetails(file));
        }
    });
    JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true, new JScrollPane(fileTree),
            new JScrollPane(fileDetailsTextArea));
    getContentPane().add(splitPane);
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    setSize(640, 480);
    setVisible(true);
}

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From source file:de.quadrillenschule.azocamsyncd.gui.ExploreWifiSDPanel.java

/**
 * Creates new form ExploreWifiSDPanel/*from  ww  w  . j a va  2s.  c om*/
 */
public ExploreWifiSDPanel() {
    initComponents();
    rootNode = new DefaultMutableTreeNode("/");
    DefaultTreeModel dtm = new DefaultTreeModel(rootNode);
    remotejTree.setModel(dtm);
    remotejTree.addTreeSelectionListener(new TreeSelectionListener() {

        @Override
        public void valueChanged(TreeSelectionEvent e) {
            updateSingleView();
        }
    });
    remotejTree.setCellRenderer(new TreeCellRenderer() {

        @Override
        public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected,
                boolean expanded, boolean leaf, int row, boolean hasFocus) {
            JLabel retval = new JLabel(value.toString());
            AZoFTPFile myaffile = null;
            if (afs == null) {
                return retval;
            }
            for (AZoFTPFile af : afs) {
                if (new String(af.dir + af.ftpFile.getName()).equals(value.toString())) {
                    myaffile = af;
                    break;
                }
            }
            try {
                if (!myaffile.ftpFile.isDirectory()) {
                    if (!localStorage.getLocalFile(myaffile).exists()) {

                        if (!localStorage.isFileSynced(myaffile)) {
                            retval.setForeground(new Color(0, 20, 100));
                        }
                    } else {
                        retval.setForeground(new Color(20, 100, 0));
                    }
                }
            } catch (Exception ex) {
                //           Logger.getLogger(ExploreWifiSDPanel.class.getName()).log(Level.SEVERE, null, ex);
            }

            if (selected) {
                retval.setOpaque(true);
                retval.setBackground(Color.darkGray);
            }
            return retval;
        }
    });
}

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From source file:TreeIt.java

public TreeIt() {
    JFrame f = new JFrame();
    DefaultMutableTreeNode root = new DefaultMutableTreeNode("Calendar");
    DefaultMutableTreeNode months = new DefaultMutableTreeNode("Months");
    root.add(months);/*w ww . j av  a2 s . c  o  m*/
    String monthLabels[] = { "January", "February", "March", "April", "May", "June", "July", "August",
            "September", "October", "November", "December" };
    for (int i = 0, n = monthLabels.length; i < n; i++)
        months.add(new DefaultMutableTreeNode(monthLabels[i]));
    DefaultMutableTreeNode weeks = new DefaultMutableTreeNode("Weeks");
    root.add(weeks);
    String weekLabels[] = { "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" };
    for (int i = 0, n = weekLabels.length; i < n; i++)
        weeks.add(new DefaultMutableTreeNode(weekLabels[i]));
    JTree jt = new JTree(root);
    jt.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent e) {
            TreePath path = e.getPath();
            System.out.println("Picked: " + path.getLastPathComponent());
            Object elements[] = path.getPath();
            for (int i = 0, n = elements.length; i < n; i++) {
                System.out.print("->" + elements[i]);
            }
            System.out.println();
        }
    });

    DefaultMutableTreeNode lastLeaf = root.getLastLeaf();
    TreePath path = new TreePath(lastLeaf.getPath());
    jt.setSelectionPath(path);

    jt.setCellRenderer(new MyCellRenderer());

    JScrollPane jsp = new JScrollPane(jt);
    Container c = f.getContentPane();
    c.add(jsp, BorderLayout.CENTER);
    f.setSize(250, 250);
    f.show();
}

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From source file:ec.nbdemetra.ui.demo.ComponentsDemo.java

public ComponentsDemo() {
    initStaticResources();/*from w  w w . j  av  a2s.co  m*/

    final Map<Id, Component> demoData = lookupComponents();

    final JPanel main = new JPanel(new BorderLayout());
    final JTree tree = new JTree();
    tree.setRootVisible(false);
    tree.setCellRenderer(new IdRenderer(demoData));

    IdsTree.fill(tree, Lists.newArrayList(demoData.keySet()));
    expandAll(tree);

    tree.getSelectionModel().addTreeSelectionListener(new TreeSelectionListener() {
        @Override
        public void valueChanged(TreeSelectionEvent e) {
            TreePath p = tree.getSelectionPath();
            if (p != null) {
                main.removeAll();
                DefaultMutableTreeNode node = (DefaultMutableTreeNode) p.getLastPathComponent();
                Id id = IdsTree.translate(node);
                Component c = demoData.get(id);
                main.add(c != null ? c : new JPanel());
                main.validate();
                main.repaint();
            }
        }
    });

    JTsList dragDrop = new JTsList();
    dragDrop.setShowHeader(false);
    dragDrop.setInformation(new ITsList.InfoType[] { ITsList.InfoType.TsIdentifier, ITsList.InfoType.Data });
    dragDrop.setPreferredSize(new Dimension(200, 200));
    dragDrop.setTsAction(DemoTsActions.DO_NOTHING);

    JSplitPane left = NbComponents.newJSplitPane(JSplitPane.VERTICAL_SPLIT, NbComponents.newJScrollPane(tree),
            dragDrop);
    JSplitPane splitPane = NbComponents.newJSplitPane(JSplitPane.HORIZONTAL_SPLIT, left, main);
    splitPane.getLeftComponent().setPreferredSize(new Dimension(200, 400));

    setLayout(new BorderLayout());
    add(splitPane, BorderLayout.CENTER);
}

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From source file:FileTree.java

/** Construct a FileTree */
public FileTree(File dir) {
    setLayout(new BorderLayout());

    // Make a tree list with all the nodes, and make it a JTree
    JTree tree = new JTree(addNodes(null, dir));

    // Add a listener
    tree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent e) {
            DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.getPath().getLastPathComponent();
            System.out.println("You selected " + node);
        }// w  w  w . j  a  va 2  s . c om
    });

    // Lastly, put the JTree into a JScrollPane.
    JScrollPane scrollpane = new JScrollPane();
    scrollpane.getViewport().add(tree);
    add(BorderLayout.CENTER, scrollpane);
}

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From source file:net.sf.housekeeper.swing.CategoriesView.java

protected JComponent createControl() {
    tree = new JTree();

    tree.getSelectionModel().setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

    final BeanTreeCellRenderer renderer = new BeanTreeCellRenderer(Category.class, "name");
    renderer.setOpenIcon(null);//from  www .  ja va 2  s  .co  m
    renderer.setClosedIcon(null);
    renderer.setLeafIcon(null);
    tree.setCellRenderer(renderer);
    tree.setRootVisible(true);

    tree.addTreeSelectionListener(new TreeSelectionListener() {

        public void valueChanged(TreeSelectionEvent e) {
            DefaultMutableTreeNode node = (DefaultMutableTreeNode) tree.getLastSelectedPathComponent();

            if (node == null)
                return;

            Object nodeInfo = node.getUserObject();
            Category cat = (Category) nodeInfo;
            publishSelectionEvent(cat);
        }
    });

    refresh();
    return tree;
}

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From source file:ClassTree.java

public ClassTreeFrame() {
    setTitle("ClassTree");
    setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);

    // the root of the class tree is Object
    root = new DefaultMutableTreeNode(java.lang.Object.class);
    model = new DefaultTreeModel(root);
    tree = new JTree(model);

    // add this class to populate the tree with some data
    addClass(getClass());//from   www . j  a  v  a2 s  .  c  o  m

    // set up node icons
    ClassNameTreeCellRenderer renderer = new ClassNameTreeCellRenderer();
    renderer.setClosedIcon(new ImageIcon("red-ball.gif"));
    renderer.setOpenIcon(new ImageIcon("yellow-ball.gif"));
    renderer.setLeafIcon(new ImageIcon("blue-ball.gif"));
    tree.setCellRenderer(renderer);

    // set up selection mode
    tree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent event) {
            // the user selected a different node--update description
            TreePath path = tree.getSelectionPath();
            if (path == null)
                return;
            DefaultMutableTreeNode selectedNode = (DefaultMutableTreeNode) path.getLastPathComponent();
            Class<?> c = (Class<?>) selectedNode.getUserObject();
            String description = getFieldDescription(c);
            textArea.setText(description);
        }
    });
    int mode = TreeSelectionModel.SINGLE_TREE_SELECTION;
    tree.getSelectionModel().setSelectionMode(mode);

    // this text area holds the class description
    textArea = new JTextArea();

    // add tree and text area
    JPanel panel = new JPanel();
    panel.setLayout(new GridLayout(1, 2));
    panel.add(new JScrollPane(tree));
    panel.add(new JScrollPane(textArea));

    add(panel, BorderLayout.CENTER);

    addTextField();
}

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