Example usage for javax.swing.tree TreeModel getRoot

Introduction

In this page you can find the example usage for javax.swing.tree TreeModel getRoot.

Prototype

public Object getRoot();

Source Link

Document

Returns the root of the tree.

Usage

From source file:MainClass.java

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

    Vector rootVector = new TreeVector("A", new String[] { "a" });
    JTree tree = new JTree(rootVector);
    tree.setRootVisible(true);/*from   w ww  .  j  a  v a  2  s .c  om*/
    TreeModel model = tree.getModel();
    model.valueForPathChanged(new TreePath(model.getRoot()), "javax.swing");
    ((DefaultTreeModel) model).reload();

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

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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 www. java 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

/**
 * Determines whether a path exists in a given tree model. For this to work,
 * the TreeModel.getIndexOfChild() method has to be correctly implemented
 *///from   w  w w  .jav  a 2s  .  c  o  m
public static boolean existsInModel(TreeModel model, TreePath path) {
    Object[] objects = path.getPath();
    if (!objects[0].equals(model.getRoot()))
        return false;
    Object prev = objects[0];
    for (int i = 1; i < objects.length; i++) {
        if (model.getIndexOfChild(prev, objects[i]) < 0)
            return false;
        prev = objects[i];
    }
    return true;
}

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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));
        }/*from  ww w  . j ava2s. co  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:net.sourceforge.doddle_owl.utils.Utils.java

public static Set getAllConcept(TreeModel treeModel) {
    Set<Concept> conceptSet = new HashSet<Concept>();
    if (!(treeModel.getRoot() instanceof ConceptTreeNode)) {
        return conceptSet;
    }/*from   ww  w  .j  av a  2  s.  c o  m*/
    ConceptTreeNode rootNode = (ConceptTreeNode) treeModel.getRoot();
    conceptSet.add(rootNode.getConcept());
    getAllConcept(rootNode, conceptSet);
    return conceptSet;
}

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From source file:net.sourceforge.doddle_owl.utils.Utils.java

public static double getChildCntAverage(TreeModel treeModel) {
    List<Integer> childNodeCntList = new ArrayList<Integer>();
    if (!(treeModel.getRoot() instanceof ConceptTreeNode)) {
        return 0;
    }//www  .  j a v a 2  s .c om
    ConceptTreeNode rootNode = (ConceptTreeNode) treeModel.getRoot();
    getChildCntAverage(rootNode, childNodeCntList);
    double totalChildNum = 0;
    for (int childNum : childNodeCntList) {
        totalChildNum += childNum;
    }
    if (childNodeCntList.size() == 0) {
        return 0;
    }
    return totalChildNum / childNodeCntList.size();
}

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From source file:eu.apenet.dpt.standalone.gui.hgcreation.LevelTreeActions.java

public File createXML(TreeModel model, HashMap<String, String> paramMap, String countryCode,
        String globalIdentifier) {
    CLevelTreeObject obj = (CLevelTreeObject) ((DefaultMutableTreeNode) model.getRoot()).getUserObject();
    try {//from w  ww.ja  va2 s . c o m
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        DOMImplementation domImplementation = builder.getDOMImplementation();
        Document doc = domImplementation.createDocument(null, null, null);

        Element root = createArchdesc(doc, model, model.getRoot(), paramMap, obj.getId(), obj.getName());

        doc.appendChild(root);

        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer output = tf.newTransformer();
        output.setOutputProperty(javax.xml.transform.OutputKeys.INDENT, "yes");
        output.setOutputProperty(javax.xml.transform.OutputKeys.OMIT_XML_DECLARATION, "yes");
        output.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
        output.transform(new DOMSource(doc.getFirstChild()),
                new StreamResult(new File(Utilities.TEMP_DIR + ".hg_creation.xml")));

        File outputFile = new File(Utilities.TEMP_DIR + "temp_HG.xml");
        File finalFile = new File(
                Utilities.TEMP_DIR + "Holdings_Guide_" + globalIdentifier + "_" + obj.getId() + ".xml");
        finalFile.deleteOnExit();

        FileUtils.writeStringToFile(outputFile, HoldingsGuideCreationUtils.eadDeclaration(obj.getName(),
                obj.getId(), countryCode, globalIdentifier, DataPreparationToolGUI.VERSION_NB), "UTF-8");
        fileUtil.writeToFile(fileUtil.readFileAsString_linebreak(Utilities.TEMP_DIR + ".hg_creation.xml"),
                Utilities.TEMP_DIR + outputFile.getName(), true);
        fileUtil.writeToFile(HoldingsGuideCreationUtils.endDeclaration(),
                Utilities.TEMP_DIR + outputFile.getName(), true);

        TransformationTool.createTransformation(fileUtil.readFileAsInputStream(outputFile), finalFile,
                Utilities.BEFORE_XSL_FILE, null, true, true, null, true, null);
        outputFile.delete();

        return finalFile;
    } catch (Exception e) {
        LOG.error("Error", e);
    }
    return null;
}

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From source file:eu.apenet.dpt.standalone.gui.APETabbedPane.java

private void expandFirstLevel() {
    TreeModel model = tree.getTreeTableModel();
    TreePath root = new TreePath(model.getRoot());
    tree.expandPath(root);//from   w w  w .  jav a2 s. com

    for (int i = 0; i < tree.getRowCount(); i++) {
        if (i > 20)
            break;
        tree.expandRow(i);
    }
}

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From source file:dotaSoundEditor.Controls.EditorPanel.java

protected TreeModel buildSoundListTree(TreeModel scriptTree) {
    TreeNode rootNode = (TreeNode) scriptTree.getRoot();
    int childCount = rootNode.getChildCount();
    TreeModel soundListTreeModel = new DefaultTreeModel(new DefaultMutableTreeNode("root"));
    ArrayList<String> wavePathsList = new ArrayList<>();
    for (int i = 0; i < childCount; i++) {
        String nodeValue = scriptTree.getChild(rootNode, i).toString();
        if (nodeValue.trim().startsWith("//")) {
            continue;
        }//from   w ww.  ja  va2  s. co m
        wavePathsList = getWavePathsAsList((TreeNode) scriptTree.getChild(rootNode, i));
        DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(nodeValue);
        for (String s : wavePathsList) {
            DefaultMutableTreeNode tempNode = new DefaultMutableTreeNode(s);
            newNode.add(tempNode);
        }
        ((DefaultMutableTreeNode) soundListTreeModel.getRoot()).add(newNode);
    }
    return soundListTreeModel;
}

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From source file:dotaSoundEditor.Controls.EditorPanel.java

protected TreeNode getTreeNodeFromWavePath(String wavePath) {
    TreeModel model = this.currentTreeModel;

    TreeNode root = (TreeNode) model.getRoot();
    for (Enumeration e = ((DefaultMutableTreeNode) root).breadthFirstEnumeration(); e.hasMoreElements()
            && root != null;) {//w w w. j ava 2  s. c o m
        DefaultMutableTreeNode node = (DefaultMutableTreeNode) e.nextElement();
        if (node.toString().contains(wavePath)) {
            return node;
        }
    }
    return null;
}

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