Example usage for javax.swing JTree JTree

List of usage examples for javax.swing JTree JTree

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Introduction

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

Prototype

@ConstructorProperties({ "model" })
public JTree(TreeModel newModel)

Source Link

Document

Returns an instance of JTree which displays the root node -- the tree is created using the specified data model.

Usage

From source file:components.DynamicTree.java

public DynamicTree() {
    super(new GridLayout(1, 0));

    rootNode = new DefaultMutableTreeNode("Root Node");
    treeModel = new DefaultTreeModel(rootNode);
    treeModel.addTreeModelListener(new MyTreeModelListener());
    tree = new JTree(treeModel);
    tree.setEditable(true);//  w ww  . j  a v  a  2s  .c  o  m
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
    tree.setShowsRootHandles(true);

    JScrollPane scrollPane = new JScrollPane(tree);
    add(scrollPane);
}

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  w w  w. java 2s .  co 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();
}

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);
        }/*from   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);
}

From source file:gov.sandia.umf.platform.ui.jobs.RunPanel.java

public RunPanel() {
    root = new NodeBase();
    model = new DefaultTreeModel(root);
    tree = new JTree(model);
    tree.setRootVisible(false);/*  ww w.  java2s .  c o  m*/
    tree.setShowsRootHandles(true);
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);

    tree.setCellRenderer(new DefaultTreeCellRenderer() {
        @Override
        public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected,
                boolean expanded, boolean leaf, int row, boolean hasFocus) {
            super.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);

            NodeBase node = (NodeBase) value;
            Icon icon = node.getIcon(expanded); // A node knows whether it should hold other nodes or not, so don't pass leaf to it.
            if (icon == null) {
                if (leaf)
                    icon = getDefaultLeafIcon();
                else if (expanded)
                    icon = getDefaultOpenIcon();
                else
                    icon = getDefaultClosedIcon();
            }
            setIcon(icon);

            return this;
        }
    });

    tree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent e) {
            NodeBase newNode = (NodeBase) tree.getLastSelectedPathComponent();
            if (newNode == null)
                return;
            if (newNode == displayNode)
                return;

            if (displayThread != null)
                synchronized (displayText) {
                    displayThread.stop = true;
                }
            displayNode = newNode;
            if (displayNode instanceof NodeFile)
                viewFile();
            else if (displayNode instanceof NodeJob)
                viewJob();
        }
    });

    tree.addKeyListener(new KeyAdapter() {
        public void keyPressed(KeyEvent e) {
            int keycode = e.getKeyCode();
            if (keycode == KeyEvent.VK_DELETE || keycode == KeyEvent.VK_BACK_SPACE) {
                delete();
            }
        }
    });

    tree.addTreeWillExpandListener(new TreeWillExpandListener() {
        public void treeWillExpand(TreeExpansionEvent event) throws ExpandVetoException {
            TreePath path = event.getPath(); // TODO: can this ever be null?
            Object o = path.getLastPathComponent();
            if (o instanceof NodeJob)
                ((NodeJob) o).build(tree);
        }

        public void treeWillCollapse(TreeExpansionEvent event) throws ExpandVetoException {
        }
    });

    tree.addTreeExpansionListener(new TreeExpansionListener() {
        public void treeExpanded(TreeExpansionEvent event) {
            Rectangle node = tree.getPathBounds(event.getPath());
            Rectangle visible = treePane.getViewport().getViewRect();
            visible.height -= node.y - visible.y;
            visible.y = node.y;
            tree.repaint(visible);
        }

        public void treeCollapsed(TreeExpansionEvent event) {
            Rectangle node = tree.getPathBounds(event.getPath());
            Rectangle visible = treePane.getViewport().getViewRect();
            visible.height -= node.y - visible.y;
            visible.y = node.y;
            tree.repaint(visible);
        }
    });

    Thread refreshThread = new Thread() {
        public void run() {
            try {
                // Initial load
                synchronized (running) {
                    for (MNode n : AppData.runs)
                        running.add(0, new NodeJob(n)); // This should be efficient on a doubly-linked list.
                    for (NodeJob job : running)
                        root.add(job);
                }
                EventQueue.invokeLater(new Runnable() {
                    public void run() {
                        model.nodeStructureChanged(root);
                        if (model.getChildCount(root) > 0)
                            tree.setSelectionRow(0);
                    }
                });

                // Periodic refresh to show status of running jobs
                int shortCycles = 100; // Force full scan on first cycle.
                while (true) {
                    NodeBase d = displayNode; // Make local copy (atomic action) to prevent it changing from under us
                    if (d instanceof NodeJob)
                        ((NodeJob) d).monitorProgress(RunPanel.this);
                    if (shortCycles++ < 20) {
                        Thread.sleep(1000);
                        continue;
                    }
                    shortCycles = 0;

                    synchronized (running) {
                        Iterator<NodeJob> i = running.iterator();
                        while (i.hasNext()) {
                            NodeJob job = i.next();
                            if (job != d)
                                job.monitorProgress(RunPanel.this);
                            if (job.complete >= 1)
                                i.remove();
                        }
                    }
                }
            } catch (InterruptedException e) {
            }
        }
    };
    refreshThread.setDaemon(true);
    refreshThread.start();

    displayText = new JTextArea();
    displayText.setEditable(false);

    final JCheckBox chkFixedWidth = new JCheckBox("Fixed-Width Font");
    chkFixedWidth.setFocusable(false);
    chkFixedWidth.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            int size = displayText.getFont().getSize();
            if (chkFixedWidth.isSelected()) {
                displayText.setFont(new Font(Font.MONOSPACED, Font.PLAIN, size));
            } else {
                displayText.setFont(new Font(Font.SANS_SERIF, Font.PLAIN, size));
            }
        }
    });

    displayPane.setViewportView(displayText);

    ActionListener graphListener = new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            if (displayNode instanceof NodeFile) {
                NodeFile nf = (NodeFile) displayNode;
                if (nf.type == NodeFile.Type.Output || nf.type == NodeFile.Type.Result) {
                    String graphType = e.getActionCommand();
                    if (displayPane.getViewport().getView() instanceof ChartPanel
                            && displayGraph.equals(graphType)) {
                        viewFile();
                        displayGraph = "";
                    } else {
                        if (graphType.equals("Graph")) {
                            Plot plot = new Plot(nf.path.getAbsolutePath());
                            if (!plot.columns.isEmpty())
                                displayPane.setViewportView(plot.createGraphPanel());
                        } else // Raster
                        {
                            Raster raster = new Raster(nf.path.getAbsolutePath(), displayPane.getHeight());
                            displayPane.setViewportView(raster.createGraphPanel());
                        }
                        displayGraph = graphType;
                    }
                }
            }
        }
    };

    buttonGraph = new JButton("Graph", ImageUtil.getImage("analysis.gif"));
    buttonGraph.setFocusable(false);
    buttonGraph.addActionListener(graphListener);
    buttonGraph.setActionCommand("Graph");

    buttonRaster = new JButton("Raster", ImageUtil.getImage("prnplot.gif"));
    buttonRaster.setFocusable(false);
    buttonRaster.addActionListener(graphListener);
    buttonRaster.setActionCommand("Raster");

    Lay.BLtg(this, "C",
            Lay.SPL(Lay.BL("C", treePane = Lay.sp(tree)), Lay.BL("N",
                    Lay.FL(chkFixedWidth, Lay.FL(buttonGraph, buttonRaster), "hgap=50"), "C", displayPane),
                    "divpixel=250"));
    setFocusCycleRoot(true);
}

From source file:TreeIconDemo.java

public TreeIconDemo() {
    super(new GridLayout(1, 0));

    // Create the nodes.
    DefaultMutableTreeNode top = new DefaultMutableTreeNode("The Java Series");
    createNodes(top);//from  w w  w  . ja  v  a2 s  . co m

    // Create a tree that allows one selection at a time.
    tree = new JTree(top);
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);

    // Set the icon for leaf nodes.
    ImageIcon leafIcon = createImageIcon("images/middle.gif");
    if (leafIcon != null) {
        DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer();
        renderer.setLeafIcon(leafIcon);
        tree.setCellRenderer(renderer);
    } else {
        System.err.println("Leaf icon missing; using default.");
    }

    // Listen for when the selection changes.
    tree.addTreeSelectionListener(this);

    // Create the scroll pane and add the tree to it.
    JScrollPane treeView = new JScrollPane(tree);

    // Create the HTML viewing pane.
    htmlPane = new JEditorPane();
    htmlPane.setEditable(false);
    initHelp();
    JScrollPane htmlView = new JScrollPane(htmlPane);

    // Add the scroll panes to a split pane.
    JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
    splitPane.setTopComponent(treeView);
    splitPane.setBottomComponent(htmlView);

    Dimension minimumSize = new Dimension(100, 50);
    htmlView.setMinimumSize(minimumSize);
    treeView.setMinimumSize(minimumSize);
    splitPane.setDividerLocation(100); // XXX: ignored in some releases
    // of Swing. bug 4101306
    // workaround for bug 4101306:
    // treeView.setPreferredSize(new Dimension(100, 100));

    splitPane.setPreferredSize(new Dimension(500, 300));

    // Add the split pane to this panel.
    add(splitPane);
}

From source file:components.TreeIconDemo.java

public TreeIconDemo() {
    super(new GridLayout(1, 0));

    //Create the nodes.
    DefaultMutableTreeNode top = new DefaultMutableTreeNode("The Java Series");
    createNodes(top);/*from  www  . jav  a 2 s  . co m*/

    //Create a tree that allows one selection at a time.
    tree = new JTree(top);
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);

    //Set the icon for leaf nodes.
    ImageIcon leafIcon = createImageIcon("images/middle.gif");
    if (leafIcon != null) {
        DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer();
        renderer.setLeafIcon(leafIcon);
        tree.setCellRenderer(renderer);
    } else {
        System.err.println("Leaf icon missing; using default.");
    }

    //Listen for when the selection changes.
    tree.addTreeSelectionListener(this);

    //Create the scroll pane and add the tree to it. 
    JScrollPane treeView = new JScrollPane(tree);

    //Create the HTML viewing pane.
    htmlPane = new JEditorPane();
    htmlPane.setEditable(false);
    initHelp();
    JScrollPane htmlView = new JScrollPane(htmlPane);

    //Add the scroll panes to a split pane.
    JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
    splitPane.setTopComponent(treeView);
    splitPane.setBottomComponent(htmlView);

    Dimension minimumSize = new Dimension(100, 50);
    htmlView.setMinimumSize(minimumSize);
    treeView.setMinimumSize(minimumSize);
    splitPane.setDividerLocation(100); //XXX: ignored in some releases
                                       //of Swing. bug 4101306
                                       //workaround for bug 4101306:
                                       //treeView.setPreferredSize(new Dimension(100, 100)); 

    splitPane.setPreferredSize(new Dimension(500, 300));

    //Add the split pane to this panel.
    add(splitPane);
}

From source file:Main.java

public DynamicTree() {
    super(new GridLayout(1, 0));
    treeModel.addTreeModelListener(new MyTreeModelListener());
    tree = new JTree(treeModel);
    tree.setEditable(true);//from  www .  j av a  2 s.  com
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
    tree.setShowsRootHandles(true);
    JScrollPane scrollPane = new JScrollPane(tree);
    add(scrollPane);
}

From source file:components.TreeDemo.java

public TreeDemo() {
    super(new GridLayout(1, 0));

    //Create the nodes.
    DefaultMutableTreeNode top = new DefaultMutableTreeNode("The Java Series");
    createNodes(top);//from   w  w w  . j a v  a 2s. c o  m

    //Create a tree that allows one selection at a time.
    tree = new JTree(top);
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);

    //Listen for when the selection changes.
    tree.addTreeSelectionListener(this);

    if (playWithLineStyle) {
        System.out.println("line style = " + lineStyle);
        tree.putClientProperty("JTree.lineStyle", lineStyle);
    }

    //Create the scroll pane and add the tree to it. 
    JScrollPane treeView = new JScrollPane(tree);

    //Create the HTML viewing pane.
    htmlPane = new JEditorPane();
    htmlPane.setEditable(false);
    initHelp();
    JScrollPane htmlView = new JScrollPane(htmlPane);

    //Add the scroll panes to a split pane.
    JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
    splitPane.setTopComponent(treeView);
    splitPane.setBottomComponent(htmlView);

    Dimension minimumSize = new Dimension(100, 50);
    htmlView.setMinimumSize(minimumSize);
    treeView.setMinimumSize(minimumSize);
    splitPane.setDividerLocation(100);
    splitPane.setPreferredSize(new Dimension(500, 300));

    //Add the split pane to this panel.
    add(splitPane);
}

From source file:JTreeDemo.java

/** Construct the object including its GUI */
public JTreeDemo() {
    super("JTreeDemo");
    Container cp = getContentPane();
    cp.setLayout(new BorderLayout());

    root = new DefaultMutableTreeNode("root");

    child = new DefaultMutableTreeNode("Colors");
    root.add(child);/* w ww  .j  av a2 s  .  c o  m*/
    child.add(new DefaultMutableTreeNode("Cyan"));
    child.add(new DefaultMutableTreeNode("Magenta"));
    child.add(new DefaultMutableTreeNode("Yellow"));
    child.add(new DefaultMutableTreeNode("Black"));

    myTree = new JTree(root);

    // cp.add(BorderLayout.CENTER, myTree);
    //JScrollPane scroller = new JScrollPane();
    //scroller.getViewport().add(myTree);
    JScrollPane scroller = new JScrollPane(myTree);
    cp.add(BorderLayout.CENTER, scroller);

    cp.add(BorderLayout.NORTH, addButton = new JButton("Add"));
    addButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {

            // Insert more nodes into the tree
            child = new DefaultMutableTreeNode("Flavors");
            child.add(new DefaultMutableTreeNode("Java"));
            child.add(new DefaultMutableTreeNode("Espresso"));
            child.add(new DefaultMutableTreeNode("Hey Joe!"));
            child.add(new DefaultMutableTreeNode("Charcoal"));
            child.add(new DefaultMutableTreeNode("Paint Remover"));

            // Notify the model, which will add it and create an event, and
            // send it up the tree...

            ((DefaultTreeModel) myTree.getModel()).insertNodeInto(child, root, 0);
        }
    });

    cp.add(BorderLayout.SOUTH, quitButton = new JButton("Exit"));
    quitButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            setVisible(false);
            dispose();
            System.exit(0);
        }
    });
    addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
            setVisible(false);
            dispose();
            System.exit(0);
        }
    });
    pack();
}

From source file:TreeIconDemo2.java

public TreeIconDemo2() {
    super(new GridLayout(1, 0));

    //Create the nodes.
    DefaultMutableTreeNode top = new DefaultMutableTreeNode("The Java Series");
    createNodes(top);/* ww w .ja v  a 2 s  . co  m*/

    //Create a tree that allows one selection at a time.
    tree = new JTree(top);
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);

    //Enable tool tips.
    ToolTipManager.sharedInstance().registerComponent(tree);

    //Set the icon for leaf nodes.
    ImageIcon tutorialIcon = createImageIcon("images/middle.gif");
    if (tutorialIcon != null) {
        tree.setCellRenderer(new MyRenderer(tutorialIcon));
    } else {
        System.err.println("Tutorial icon missing; using default.");
    }

    //Listen for when the selection changes.
    tree.addTreeSelectionListener(this);

    //Create the scroll pane and add the tree to it. 
    JScrollPane treeView = new JScrollPane(tree);

    //Create the HTML viewing pane.
    htmlPane = new JEditorPane();
    htmlPane.setEditable(false);
    initHelp();
    JScrollPane htmlView = new JScrollPane(htmlPane);

    //Add the scroll panes to a split pane.
    JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
    splitPane.setTopComponent(treeView);
    splitPane.setBottomComponent(htmlView);

    Dimension minimumSize = new Dimension(100, 50);
    htmlView.setMinimumSize(minimumSize);
    treeView.setMinimumSize(minimumSize);
    splitPane.setDividerLocation(100); //XXX: ignored in some releases
                                       //of Swing. bug 4101306
                                       //workaround for bug 4101306:
                                       //treeView.setPreferredSize(new Dimension(100, 100)); 

    splitPane.setPreferredSize(new Dimension(500, 300));

    //Add the split pane to this panel.
    add(splitPane);
}