Example usage for javax.swing.tree DefaultMutableTreeNode depthFirstEnumeration

Introduction

In this page you can find the example usage for javax.swing.tree DefaultMutableTreeNode depthFirstEnumeration.

Prototype

public Enumeration<TreeNode> depthFirstEnumeration() 

Source Link

Document

Creates and returns an enumeration that traverses the subtree rooted at this node in depth-first order.

Usage

From source file:MainClass.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Traverse Tree");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTree tree = new JTree();
    tree.setRootVisible(true);/*from w  w w .  j a  v a  2 s  . c o  m*/
    TreeModel model = tree.getModel();
    Object rootObject = model.getRoot();
    if ((rootObject != null) && (rootObject instanceof DefaultMutableTreeNode)) {
        DefaultMutableTreeNode r = (DefaultMutableTreeNode) rootObject;
        printDescendents(r);
        Enumeration breadth = r.breadthFirstEnumeration();
        Enumeration depth = r.depthFirstEnumeration();
        Enumeration preOrder = r.preorderEnumeration();
        printEnumeration(breadth, "Breadth");
        printEnumeration(depth, "Depth");
        printEnumeration(preOrder, "Pre");
    }

    TreeSelectionListener treeSelectionListener = new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent treeSelectionEvent) {
            JTree treeSource = (JTree) treeSelectionEvent.getSource();
            TreePath path = treeSource.getSelectionPath();
            System.out.println(path);
            System.out.println(path.getPath());
            System.out.println(path.getParentPath());
            System.out.println(((DefaultMutableTreeNode) path.getLastPathComponent()).getUserObject());
            System.out.println(path.getPathCount());
        }
    };
    tree.addTreeSelectionListener(treeSelectionListener);

    JScrollPane scrollPane = new JScrollPane(tree);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 400);
    frame.setVisible(true);
}

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From source file:com.pironet.tda.SunJDKParser.java

private void updateChildCount(DefaultMutableTreeNode threadOrMonitorNode, boolean isThreadNode) {
    int count = 0;
    for (Enumeration e = threadOrMonitorNode.depthFirstEnumeration(); e.hasMoreElements();) {
        Object element = e.nextElement();
        ThreadInfo mi = (ThreadInfo) (((DefaultMutableTreeNode) element).getUserObject());
        if (mi.getName().startsWith("Thread")) {
            count++;// w ww .j a va 2s  .c om
        }
    }

    ThreadInfo mi = (ThreadInfo) threadOrMonitorNode.getUserObject();
    if (ThreadDumpInfo.areALotOfWaiting(count)) {
        mi.setALotOfWaiting(true);
    }
    if (isThreadNode) {
        count--;
    }

    mi.setChildCount(count);
    if (count > 1) {
        mi.setName(mi.getName() + ":    " + count + " Blocked threads");
    } else if (count == 1) {
        mi.setName(mi.getName() + ":    " + count + " Blocked thread");
    }

    // Recurse
    for (Enumeration e = threadOrMonitorNode.children(); e.hasMoreElements();) {
        updateChildCount((DefaultMutableTreeNode) e.nextElement(), !isThreadNode);
    }
}

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From source file:org.kuali.maven.plugins.externals.MojoHelper.java

public void writePoms(DefaultMutableTreeNode node, File baseDir) {
    int count = 0;
    Enumeration<?> e = node.depthFirstEnumeration();
    while (e.hasMoreElements()) {
        DefaultMutableTreeNode element = (DefaultMutableTreeNode) e.nextElement();
        Project project = (Project) element.getUserObject();
        File pom = project.getPom();
        String oldContents = read(pom);
        String newContents = project.getPomContents();
        if (!oldContents.equals(newContents)) {
            logger.debug("Updating " + pom.getAbsolutePath());
            write(pom, newContents);// ww w  .  ja v  a2  s  .  c o m
            count++;
        }
    }
    logger.info("Updated " + count + " Maven pom's");
}

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From source file:org.kuali.maven.plugins.externals.MojoHelper.java

public void writePoms(DefaultMutableTreeNode node, File baseDir, File checkoutDir) {
    int count = 0;
    Enumeration<?> e = node.depthFirstEnumeration();
    while (e.hasMoreElements()) {
        DefaultMutableTreeNode element = (DefaultMutableTreeNode) e.nextElement();
        Project project = (Project) element.getUserObject();
        File pom = project.getPom();
        String relativePath = getRelativePath(baseDir, pom);
        File newPom = new File(checkoutDir.getAbsolutePath() + File.separator + relativePath);
        String oldContents = read(pom);
        String newContents = project.getPomContents();
        if (!oldContents.equals(newContents)) {
            logger.debug("Updating " + newPom.getAbsolutePath());
            write(newPom, newContents);//  w ww .  j av a  2  s  .c o  m
            count++;
        }
    }
    logger.info("Updated " + count + " Maven pom's");
}

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From source file:op.controlling.PnlQMSSchedule.java

private void initPanel() {

    i18n();/* ww w  .  j  a  v a  2 s  .com*/

    txtDueDays.setText(Integer.toString(qmssched.getDuedays()));

    spinTaeglich.setModel(new SpinnerNumberModel(1, 1, 365, 1));
    spinWoche.setModel(new SpinnerNumberModel(1, 1, 52, 1));
    spinMonat.setModel(new SpinnerNumberModel(1, 1, 12, 1));
    spinYearly.setModel(new SpinnerNumberModel(1, 1, 10, 1));
    spinDayInMonth.setModel(new SpinnerNumberModel(1, 1, 31, 1));

    spinTaeglich.setValue(Math.max(qmssched.getDaily(), 1));
    spinWoche.setValue(Math.max(qmssched.getWeekly(), 1));
    spinMonat.setValue(Math.max(qmssched.getMonthly(), 1));
    spinDayInMonth.setValue(Math.max(qmssched.getDayinmonth(), 1));
    spinYearly.setValue(Math.max(qmssched.getYearly(), 1));

    cbMon.setSelected(true);

    cmbMonth.setSelectedIndex(qmssched.isYearly() ? qmssched.getMonthinyear() - 1 : 0);
    spinDayInMonthInYear.setModel(new SpinnerNumberModel(qmssched.isYearly() ? qmssched.getDayinmonth() : 1, 1,
            maxdays[cmbMonth.getSelectedIndex()], 1));
    cmbMonth.addItemListener(new ItemListener() {
        @Override
        public void itemStateChanged(ItemEvent e) {
            if (e.getStateChange() == ItemEvent.SELECTED) {
                spinDayInMonthInYear
                        .setModel(new SpinnerNumberModel(1, 1, maxdays[cmbMonth.getSelectedIndex()], 1));
            }
        }
    });

    if (qmssched.isDaily()) {
        tabWdh.setSelectedIndex(TAB_DAILY);
    } else if (qmssched.isWeekly()) {
        cbMon.setSelected(qmssched.getWeekday() == DateTimeConstants.MONDAY);
        cbDie.setSelected(qmssched.getWeekday() == DateTimeConstants.TUESDAY);
        cbMit.setSelected(qmssched.getWeekday() == DateTimeConstants.WEDNESDAY);
        cbDon.setSelected(qmssched.getWeekday() == DateTimeConstants.THURSDAY);
        cbFre.setSelected(qmssched.getWeekday() == DateTimeConstants.FRIDAY);
        cbSam.setSelected(qmssched.getWeekday() == DateTimeConstants.SATURDAY);
        cbSon.setSelected(qmssched.getWeekday() == DateTimeConstants.SUNDAY);

        tabWdh.setSelectedIndex(TAB_WEEKLY);
    } else if (qmssched.isMonthly()) {

        spinDayInMonth.setValue(qmssched.getDayinmonth());
        cmbTag.setSelectedIndex(qmssched.getWeekday());

        tabWdh.setSelectedIndex(TAB_MONTHLY);
    } else if (qmssched.isYearly()) {
        spinYearly.setValue(qmssched.getYearly());
        spinDayInMonthInYear.setValue(qmssched.getDayinmonth());
        cmbMonth.setSelectedIndex(qmssched.getMonthinyear() - 1);
        tabWdh.setSelectedIndex(TAB_YEARLY);
    }

    jdcStartingOn.setMinSelectableDate(new Date());
    jdcStartingOn.setDate(qmssched.getStartingOn());

    ArrayList<Date> timelist = SYSCalendar.getTimeList();
    DefaultComboBoxModel dcbm = new DefaultComboBoxModel(timelist.toArray());
    dcbm.insertElementAt(null, 0);

    txtBemerkung.setText(qmssched.getText());
    txtQMS.setText(qmssched.getMeasure());

    cmbLocation.setTreeModel(new DefaultTreeModel(StationTools.getCompleteStructure()));

    Object userObject = null;
    if (qmssched.getHome() != null) {
        userObject = qmssched.getHome();
    } else if (qmssched.getStation() != null) {
        userObject = qmssched.getStation();
    }

    int row = 0;
    if (userObject == null) {
        cmbLocation.setSelectedItem(null);
    } else {
        DefaultMutableTreeNode root = (DefaultMutableTreeNode) cmbLocation.getTreeModel().getRoot();
        DefaultMutableTreeNode theNode = null;
        for (Enumeration e = root.depthFirstEnumeration(); e.hasMoreElements() && theNode == null;) {
            DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.nextElement();
            if (userObject.equals(node.getUserObject())) {
                cmbLocation.setSelectedItem(node);
                break;
            }
            row++;
        }
    }
}

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From source file:org.icefaces.application.showcase.view.bean.ApplicationController.java

/**
 * Utility method to find a tree node by its ID.
 *
 * @param nodeId node Id of node to to find in tree.
 * @return node specified by ID or null of no node of that ID is found.
 *///from w w  w.  j  av a 2 s  . c o  m
private DefaultMutableTreeNode findTreeNode(String nodeId) {
    ApplicationSessionModel applicationModel = (ApplicationSessionModel) FacesUtils
            .getManagedBean(BeanNames.APPLICATION_MODEL);
    Collection<DefaultTreeModel> trees = applicationModel.getNavigationTrees().values();

    DefaultMutableTreeNode node;
    DefaultMutableTreeNode rootNode;
    // search all trees defined by meta data using a depthFirst search.
    for (DefaultTreeModel treeModel : trees) {
        rootNode = (DefaultMutableTreeNode) treeModel.getRoot();
        Enumeration nodes = rootNode.depthFirstEnumeration();
        while (nodes.hasMoreElements()) {
            node = (DefaultMutableTreeNode) nodes.nextElement();
            NavigationTreeNode tmp = (NavigationTreeNode) node.getUserObject();
            if (tmp.getNodeId() != null && tmp.getNodeId().equals(nodeId)) {
                return node;
            }
        }
    }
    return null;
}

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From source file:ropes.MainWindow.java

private DefaultMutableTreeNode findNode(DefaultMutableTreeNode root, String s) {
    //reutrn node if exist in jtree
    @SuppressWarnings("unchecked")
    Enumeration<DefaultMutableTreeNode> e = root.depthFirstEnumeration();
    while (e.hasMoreElements()) {
        DefaultMutableTreeNode node = e.nextElement();
        if (node.toString().equalsIgnoreCase(s)) {
            return node;
        }//from ww w.  j  ava 2s.c  om
    }
    return null;
}

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