Example usage for javax.swing.tree TreeSelectionModel setSelectionMode

Introduction

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

Prototype

void setSelectionMode(int mode);

Source Link

Document

Sets the selection model, which must be one of SINGLE_TREE_SELECTION, CONTIGUOUS_TREE_SELECTION or DISCONTIGUOUS_TREE_SELECTION.

Usage

From source file:Main.java

public static void main(String args[]) {
    JFrame f = new JFrame("JTree Demo");
    f.setSize(260, 240);//from   w w  w  . jav  a2s .co m
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");
    DefaultMutableTreeNode aNode = new DefaultMutableTreeNode("A");
    root.add(aNode);

    DefaultMutableTreeNode bNode = new DefaultMutableTreeNode("B");
    aNode.add(bNode);

    DefaultMutableTreeNode cNode = new DefaultMutableTreeNode("C");
    aNode.add(cNode);

    cNode.add(new DefaultMutableTreeNode("D"));
    cNode.add(new DefaultMutableTreeNode("E"));

    DefaultMutableTreeNode fNode = new DefaultMutableTreeNode("F");
    root.add(fNode);

    DefaultMutableTreeNode gNode = new DefaultMutableTreeNode("G");
    fNode.add(gNode);
    fNode.add(new DefaultMutableTreeNode("H"));
    gNode.add(new DefaultMutableTreeNode("I"));

    JTree jtree = new JTree(root);
    jtree.setEditable(true);

    TreeSelectionModel tsm = jtree.getSelectionModel();
    tsm.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);

    jtree.addTreeExpansionListener(new TreeExpansionListener() {
        public void treeExpanded(TreeExpansionEvent tee) {
            TreePath tp = tee.getPath();
            System.out.println("Expansion: " + tp.getLastPathComponent());
        }

        public void treeCollapsed(TreeExpansionEvent tee) {
            TreePath tp = tee.getPath();
            System.out.println("Collapse: " + tp.getLastPathComponent());
        }
    });

    jtree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent tse) {
            TreePath tp = tse.getPath();
            System.out.println("Selection event: " + tp.getLastPathComponent());
        }
    });

    jtree.getModel().addTreeModelListener(new TreeModelListener() {
        public void treeNodesChanged(TreeModelEvent tme) {
            TreePath tp = tme.getTreePath();
            Object[] children = tme.getChildren();
            DefaultMutableTreeNode changedNode;
            if (children != null)
                changedNode = (DefaultMutableTreeNode) children[0];
            else
                changedNode = (DefaultMutableTreeNode) tp.getLastPathComponent();

            System.out.println("Model change path: " + tp + "New data: " + changedNode.getUserObject());

        }

        public void treeNodesInserted(TreeModelEvent tme) {
        }

        public void treeNodesRemoved(TreeModelEvent tme) {
        }

        public void treeStructureChanged(TreeModelEvent tme) {
        }
    });

    f.add(new JScrollPane(jtree));
    f.setVisible(true);
}

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From source file:com.qspin.qtaste.ui.TestCaseTree.java

public TestCaseTree(TestCasePane testCasePn) {
    super();//  www.j av  a2 s.c o m
    mTestCaseTree = this;
    this.setCellRenderer(new TestCaseTreeCellRenderer());

    testCasePane = testCasePn;
    testCasePane.setTestCaseTree(this);
    ToolTipManager.sharedInstance().registerComponent(this);

    FileNode rootFileNode = createRootFileNode();

    TCTreeNode rootNode = new TCTreeNode(rootFileNode, true);
    DefaultTreeModel tm = new DefaultTreeModel(rootNode);
    setModel(tm);
    generateScriptsTree(rootFileNode);
    TCTreeListener listener = new TCTreeListener();
    this.addMouseListener(listener);
    addTreeWillExpandListener(listener);
    addTreeSelectionListener(listener);
    TreeSelectionModel selModel = this.getSelectionModel();
    selModel.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);

    // drag drop initialization
    ds = new DragSource();
    dt = new DropTarget();

    ds.createDefaultDragGestureRecognizer(this, DnDConstants.ACTION_COPY, this);
    try {
        dt.setComponent(this);
        dt.addDropTargetListener(this);
    } catch (java.util.TooManyListenersException e) {
        logger.error(e.getMessage());
    }

}

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From source file:net.sourceforge.pmd.util.designer.Designer.java

private JComponent createASTPanel() {
    astTreeWidget.setCellRenderer(createNoImageTreeCellRenderer());
    TreeSelectionModel model = astTreeWidget.getSelectionModel();
    model.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
    model.addTreeSelectionListener(new SymbolTableListener());
    model.addTreeSelectionListener(new CodeHighlightListener());
    return new JScrollPane(astTreeWidget);
}

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From source file:org.feistymeow.dragdrop.dragdrop_tree_test.java

public dragdrop_tree_test(String startPath) {
    super("dragdrop_test");

    // create the tree, configure it to show our hashtable nodes, and put it in
    // a scroll pane.
    larch = new DraggableDroppableTree(startPath);
    DefaultTreeModel treeModel = (DefaultTreeModel) larch.getModel();
    larch.setCellRenderer(new CustomCellRenderer());
    TreeSelectionModel selmod = new DefaultTreeSelectionModel();
    selmod.setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
    larch.setSelectionModel(selmod);//from  w w  w. j av  a2 s .c o  m
    larch.addTreeSelectionListener(this);
    JScrollPane listScrollPane = new JScrollPane(larch);
    // get the files that live in the specified directory.
    String dirName = startPath + "/"; // make sure we think of it as a
                                      // directory.
    String filelist[] = new File(dirName).list();
    MutableTreeNode root_node = (MutableTreeNode) treeModel.getRoot();
    if (root_node == null) {
        logger.error("something is not right about tree.  has null root.");
        System.exit(1);
    }
    // load up the tree with the files in the directory they passed.
    for (int i = 0; i < filelist.length; i++) {
        String thisFileSt = dirName + filelist[i];
        File thisFile = new File(thisFileSt);
        // skip directories for now.
        if (thisFile.isDirectory())
            continue;
        // skip dot files.
        if (filelist[i].startsWith("."))
            continue;
        try {
            // need to trap exceptions from the URI/URL functions.
            DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(makeNode(thisFile.getName(),
                    thisFile.toURI().toURL().toString(), thisFile.getAbsolutePath()));
            treeModel.insertNodeInto(newNode, root_node, root_node.getChildCount());
        } catch (java.net.MalformedURLException e) {
            logger.warn("caught an exception while trying to process path: " + thisFile.getAbsolutePath());
        }
    }

    // set our status bar to have the current path info.
    fileName = new JTextField(50);
    // select the root.
    larch.setSelectionPath(larch.getPathForRow(0));

    // pop out all the nodes.
    larch.expandAll();

    // Create a panel that uses FlowLayout (the default).
    JPanel buttonPane = new JPanel();
    buttonPane.add(fileName);

    Container contentPane = getContentPane();
    contentPane.add(listScrollPane, BorderLayout.CENTER);
    contentPane.add(buttonPane, BorderLayout.NORTH);
}

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