Example usage for javax.swing.tree DefaultMutableTreeNode breadthFirstEnumeration

Introduction

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

Prototype

public Enumeration<TreeNode> breadthFirstEnumeration() 

Source Link

Document

Creates and returns an enumeration that traverses the subtree rooted at this node in breadth-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 va  2s .  c  om
    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:Main.java

public static void expandTree(JTree tree) {
    DefaultMutableTreeNode root = (DefaultMutableTreeNode) tree.getModel().getRoot();
    @SuppressWarnings("unchecked")
    Enumeration<DefaultMutableTreeNode> e = root.breadthFirstEnumeration();
    while (e.hasMoreElements()) {
        DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.nextElement();
        if (node.isLeaf())
            continue;
        int row = tree.getRowForPath(new TreePath(node.getPath()));
        tree.expandRow(row);// w  w  w. ja va2s .c om
    }
}

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From source file:Main.java

public static JComponent makeUI() {
    JTree tree = new JTree();
    TreeModel model = tree.getModel();
    DefaultMutableTreeNode root = (DefaultMutableTreeNode) model.getRoot();
    Enumeration e = root.breadthFirstEnumeration();
    while (e.hasMoreElements()) {
        DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.nextElement();
        Object o = node.getUserObject();
        if (o instanceof String) {
            node.setUserObject(new CheckBoxNode((String) o, false));
        }// w  w w . ja  va 2 s .  c  o  m
    }
    tree.setEditable(true);
    tree.setCellRenderer(new CheckBoxNodeRenderer());
    tree.setCellEditor(new CheckBoxNodeEditor());
    tree.expandRow(0);
    return new JScrollPane(tree);
}

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From source file:gov.nij.er.ui.RecordTreeModel.java

/**
 * Get the IDs of the records represented by the specified path
 * @param selectedPath the path to search
 * @return the ids of the records at that path
 *//* ww  w.  jav a  2  s. co m*/
public Set<String> getRecordIdsForPath(TreePath selectedPath) {
    Set<String> ret = new HashSet<String>();

    Object[] pathArray = selectedPath.getPath();
    if (pathArray.length > 1) {

        DefaultMutableTreeNode recordNode = (DefaultMutableTreeNode) pathArray[1];
        @SuppressWarnings("unchecked")
        Enumeration<TreeNode> descendants = recordNode.breadthFirstEnumeration();

        while (descendants.hasMoreElements()) {
            TreeNode node = descendants.nextElement();
            if (node instanceof IdNode) {
                ret.add(((IdNode) node).getId());
            }
        }
    }
    LOG.debug("Record ids for path: " + ret);
    return ret;
}

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From source file:com.sec.ose.osi.ui.frm.main.identification.JTreeAllFiles.java

private TreePath getTreePathByFilePathString(DefaultMutableTreeNode rootNode, String selectedFilePath) {
    TreePath tp = null;//from   w  w  w. j a v a 2  s.  c  om
    if (selectedFilePath != null) {
        DefaultMutableTreeNode node = null;
        Enumeration<?> enumer = rootNode.breadthFirstEnumeration();
        String sFilePath = "";
        DefaultTreeModel m_model = new DefaultTreeModel(rootNode);
        TreeNode[] nodes = null;
        while (enumer.hasMoreElements()) {
            node = (DefaultMutableTreeNode) enumer.nextElement();
            if (node.getUserObject().equals("/"))
                continue;
            sFilePath = ((FileNodeInfo) node.getUserObject()).getFilePath();
            if (sFilePath.equals(selectedFilePath)) {
                nodes = m_model.getPathToRoot(node);
                tp = new TreePath(nodes);
                break;
            }
        }
    }
    return tp;
}

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From source file:com.openbravo.pos.admin.RolesViewTree.java

public DefaultMutableTreeNode searchNode(String nodeStr, DefaultMutableTreeNode tNode) {
    DefaultMutableTreeNode node = null;
    Enumeration e = tNode.breadthFirstEnumeration();
    while (e.hasMoreElements()) {
        node = (DefaultMutableTreeNode) e.nextElement();
        if (nodeStr.equals(node.getUserObject().toString())) {
            return node;
        }/*w  w w. j a  v  a  2s.  c om*/
    }
    return null;
}

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

public Map<String, DefaultMutableTreeNode> getGavMap(DefaultMutableTreeNode node) {
    Enumeration<?> e = node.breadthFirstEnumeration();
    Map<String, DefaultMutableTreeNode> map = new HashMap<String, DefaultMutableTreeNode>();
    while (e.hasMoreElements()) {
        DefaultMutableTreeNode element = (DefaultMutableTreeNode) e.nextElement();
        Project project = (Project) element.getUserObject();
        GAV gav = project.getGav();/*from w  ww  .  jav  a  2s  .c om*/
        String gavId = toString(gav);
        map.put(gavId, element);
    }
    return map;
}

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

protected DefaultMutableTreeNode findNode(DefaultMutableTreeNode node, String artifactId) {
    Enumeration<?> e = node.breadthFirstEnumeration();
    while (e.hasMoreElements()) {
        DefaultMutableTreeNode element = (DefaultMutableTreeNode) e.nextElement();
        Project project = (Project) element.getUserObject();
        GAV gav = project.getGav();//  w w  w  .j  a va  2  s .c  om
        if (gav.getArtifactId().equals(artifactId)) {
            return element;
        }
    }
    throw new IllegalStateException("Unable to locate " + artifactId);
}

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

public void validateParents(DefaultMutableTreeNode node, Map<String, DefaultMutableTreeNode> map) {
    Enumeration<?> e = node.breadthFirstEnumeration();
    while (e.hasMoreElements()) {
        DefaultMutableTreeNode element = (DefaultMutableTreeNode) e.nextElement();
        if (element.isRoot()) {
            continue;
        }/*from   ww  w . j av a2 s . c  o  m*/
        Project project = (Project) element.getUserObject();
        GAV parentGav = project.getParent();
        String parentGavId = toString(parentGav);
        DefaultMutableTreeNode parent = map.get(parentGavId);
        if (parent == null) {
            throw new IllegalStateException(parentGavId + " could not be located");
        }
    }
}

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From source file:ai.aitia.meme.paramsweep.intellisweepPlugin.JgapGAPlugin.java

private int calculateNumberOfGenes() {
    int count = 0;

    final DefaultMutableTreeNode root = (DefaultMutableTreeNode) chromosomeTree.getRoot();
    @SuppressWarnings("rawtypes")
    final Enumeration nodes = root.breadthFirstEnumeration();
    nodes.nextElement();/*  ww  w. j  a v a 2s .  co  m*/

    while (nodes.hasMoreElements()) {
        final DefaultMutableTreeNode node = (DefaultMutableTreeNode) nodes.nextElement();
        final ParameterOrGene userObj = (ParameterOrGene) node.getUserObject();
        if (userObj.isGene())
            count++;
    }

    return count;
}

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