Example usage for javax.swing.tree DefaultMutableTreeNode DefaultMutableTreeNode

Introduction

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

Prototype

public DefaultMutableTreeNode(Object userObject)

Source Link

Document

Creates a tree node with no parent, no children, but which allows children, and initializes it with the specified user object.

Usage

From source file:Main.java

public Main() {
    setLayout(new GridLayout(1, 3));
    tree = new JTree(getTreeModel());
    tree.setDragEnabled(true);//  ww  w  .  j a v  a2  s.c o  m
    tree.setPreferredSize(new Dimension(200, 400));
    JScrollPane scroll = new JScrollPane();
    scroll.setViewportView(tree);

    treeModel = getTreeModel();
    JTree secondTree = new JTree(treeModel);
    secondTree.setPreferredSize(new Dimension(200, 400));
    secondTree.setTransferHandler(new TransferHandler() {
        @Override
        public boolean importData(TransferSupport support) {
            if (!canImport(support)) {
                return false;
            }
            JTree.DropLocation dl = (JTree.DropLocation) support.getDropLocation();
            TreePath path = dl.getPath();
            int childIndex = dl.getChildIndex();

            String data;
            try {
                data = (String) support.getTransferable().getTransferData(DataFlavor.stringFlavor);
            } catch (Exception e) {
                return false;
            }
            if (childIndex == -1) {
                childIndex = tree.getModel().getChildCount(path.getLastPathComponent());
            }

            DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(data);
            DefaultMutableTreeNode parentNode = (DefaultMutableTreeNode) path.getLastPathComponent();
            treeModel.insertNodeInto(newNode, parentNode, childIndex);

            tree.makeVisible(path.pathByAddingChild(newNode));
            tree.scrollRectToVisible(tree.getPathBounds(path.pathByAddingChild(newNode)));
            return true;
        }

        public boolean canImport(TransferSupport support) {
            if (!support.isDrop()) {
                return false;
            }
            support.setShowDropLocation(true);
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                System.out.println("only string is supported");
                return false;
            }
            JTree.DropLocation dl = (JTree.DropLocation) support.getDropLocation();
            TreePath path = dl.getPath();
            if (path == null) {
                return false;
            }
            return true;
        }
    });
    JScrollPane secondScroll = new JScrollPane();
    secondScroll.setViewportView(secondTree);

    JPanel topPanel = new JPanel(new BorderLayout());
    topPanel.add(scroll, BorderLayout.CENTER);
    JPanel btmPanel = new JPanel(new BorderLayout());
    btmPanel.add(secondScroll, BorderLayout.CENTER);

    add(topPanel);
    add(btmPanel);
}

From source file:XMLTreeView.java

public void characters(char[] data, int start, int end) {
    String str = new String(data, start, end);
    if (!str.equals("") && Character.isLetter(str.charAt(0)))
        currentNode.add(new DefaultMutableTreeNode(str));
}

From source file:TreeEditTest.java

public TreeNode makeSampleTree() {
    DefaultMutableTreeNode root = new DefaultMutableTreeNode("World");
    DefaultMutableTreeNode country = new DefaultMutableTreeNode("USA");
    root.add(country);/*from  w w w  . ja va 2s.c o m*/
    DefaultMutableTreeNode state = new DefaultMutableTreeNode("California");
    country.add(state);
    DefaultMutableTreeNode city = new DefaultMutableTreeNode("San Jose");
    state.add(city);
    city = new DefaultMutableTreeNode("San Diego");
    state.add(city);
    state = new DefaultMutableTreeNode("Michigan");
    country.add(state);
    city = new DefaultMutableTreeNode("Ann Arbor");
    state.add(city);
    country = new DefaultMutableTreeNode("Germany");
    root.add(country);
    state = new DefaultMutableTreeNode("Schleswig-Holstein");
    country.add(state);
    city = new DefaultMutableTreeNode("Kiel");
    state.add(city);
    return root;
}

From source file:nosqltools.JSONUtilities.java

private DefaultMutableTreeNode makeJtree(String name, JsonNode node) {
    //instance of default mutable tree node with the root name of that object
    DefaultMutableTreeNode treeNode = new DefaultMutableTreeNode(name);
    //iterator that stores the fields of the JSON documents in the collection.
    Iterator<Entry<String, JsonNode>> iterator = node.fields();

    while (iterator.hasNext()) {
        //the iterator returns the next entry 
        Entry<String, JsonNode> entry = iterator.next();
        //the entry will be added to the tree node and formatted as key:value
        treeNode.add(makeJtree(entry.getKey() + " : " + entry.getValue(), entry.getValue()));
    }/*from  www .  j  a va2  s . c  o  m*/

    //if an array is found within an object
    if (node.isArray()) {
        for (int i = 0; i < node.size(); i++) {
            //create a child and get the information
            JsonNode child = node.get(i);

            //the isValueNode returns valid String representation of the container value, if the node is a value node else null
            if (child.isValueNode())
                treeNode.add(new DefaultMutableTreeNode(child.asText()));
            else
                treeNode.add(makeJtree(String.format("Node %d", i), child));
        }
    }

    return treeNode;
}

From source file:XMLTreeView.java

public void startElement(String uri, String qName, String lName, Attributes atts) {
    previousNode = currentNode;//from w  w  w .  j ava 2 s.c  o m
    currentNode = new DefaultMutableTreeNode(lName);
    // Add attributes as child nodes //
    attachAttributeList(currentNode, atts);
    previousNode.add(currentNode);
}

From source file:org.syncope.console.commons.RoleTreeBuilder.java

public TreeModel build(final List<RoleTO> roles) {
    DefaultMutableTreeNode fakeroot = new DefaultMutableTreeNode(new FakeRootRoleTO());

    populateSubtree(fakeroot, roles);//from w w  w . ja  v a2  s .co m

    return new DefaultTreeModel(fakeroot);
}

From source file:Main.java

private DefaultMutableTreeNode builtTreeNode(Node root) {
    DefaultMutableTreeNode dmtNode;

    dmtNode = new DefaultMutableTreeNode(root.getNodeName());
    NodeList nodeList = root.getChildNodes();
    for (int count = 0; count < nodeList.getLength(); count++) {
        Node tempNode = nodeList.item(count);

        if (tempNode.getNodeType() == Node.ELEMENT_NODE) {
            if (tempNode.hasChildNodes()) {
                dmtNode.add(builtTreeNode(tempNode));
            }/*  ww w .  j av a  2 s.c  o  m*/
        }
    }
    return dmtNode;
}

From source file:com.mindcognition.mindraider.ui.swing.explorer.LabelsTree.java

public LabelsTree(NotebooksTree notebooksTree) {
    labelsRootNode = new DefaultMutableTreeNode(
            new LabelNodeUserObject(Messages.getString("ExplorerJPanel.rootNode"), 333, null));

    labelsTreeModel = new DefaultTreeModel(labelsRootNode);
    labelsTreeModel.addTreeModelListener(new LabelsTreeModelListener());
    setModel(labelsTreeModel);/*from  w w  w.j a v a 2 s  .c om*/

    setEditable(false);
    getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
    addTreeExpansionListener(new TreeExpansionListenerImplementation());
    addTreeWillExpandListener(new TreeWillExpandListenerImplementation());
    setShowsRootHandles(true);

    // tree rendered
    setCellRenderer(new LabelsTreeCellRenderer());

    // subscribe for folder custodian events e.g. folder creation
    MindRaider.labelCustodian.subscribe(this);

    // tree node selection listener
    addTreeSelectionListener(new LabelsTreeSelectionListener(this, notebooksTree));

    reloadModel();
}

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);//  ww  w  . j ava  2s  .  co m
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
    tree.setShowsRootHandles(true);

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

From source file:it.unibas.spicygui.controllo.window.operator.ProjectTreeGenerator.java

public void generateTree(JTree jTree) {
    Scenarios scenarios = (Scenarios) modello.getBean(Costanti.SCENARIOS);
    DefaultMutableTreeNode nodeRoot = new DefaultMutableTreeNode(
            new TreeTopComponentAdapter(null, false, true, false));
    for (IScenario scenario : scenarios.getListaSceneri()) {
        analizzaScenario(nodeRoot, (Scenario) scenario);
    }//from  ww  w . j  av a 2s.c o m
    ((DefaultTreeModel) jTree.getModel()).setRoot(nodeRoot);
    jTree.setRootVisible(false);
    jTree.setShowsRootHandles(true);
    TreeRenderer rendererTree = new TreeRenderer();
    jTree.setCellRenderer(rendererTree);
    return;
}