Example usage for javax.swing JTree expandRow

Introduction

In this page you can find the example usage for javax.swing JTree expandRow.

Prototype

int expandRow

To view the source code for javax.swing JTree expandRow.

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Document

The row to expand during DnD.

Usage

From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTree tree = new JTree();
    for (int i = 0; i < tree.getRowCount(); i++) {
        tree.expandRow(i);
    }//from   w  w w  . j ava2  s  .  c  om
    f.add(new JScrollPane(tree));
    f.pack();
    f.setSize(200, 200);
    f.setVisible(true);
}

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From source file:TreeNodeVector.java

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

    Vector<String> v1 = new TreeNodeVector<String>("Two", new String[] { "Mercury", "Venus", "Mars" });
    Vector<Object> v2 = new TreeNodeVector<Object>("Three");
    v2.add(System.getProperties());
    v2.add(v1);//from  w w w .  jav a 2 s.  c o m
    Object rootNodes[] = { v1, v2 };
    Vector<Object> rootVector = new TreeNodeVector<Object>("Root", rootNodes);
    JTree tree = new JTree(rootVector);
    frame.add(new JScrollPane(tree), BorderLayout.CENTER);

    tree.expandRow(1);
    tree.scrollRowToVisible(2);

    tree.revalidate();

    frame.setSize(300, 300);
    frame.setVisible(true);

}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    JFrame f = new JFrame("Test");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTree tree = new JTree();
    tree.putClientProperty("JTree.lineStyle", "Angled");
    // tree.putClientProperty("JTree.lineStyle", "Horizontal");
    // tree.putClientProperty("JTree.lineStyle", "None");
    for (int i = 0; i < tree.getRowCount(); i++) {
        tree.expandRow(i);
    }//from www.j  a  v  a 2s . c  o  m
    f.add(tree);
    f.pack();
    f.setLocationRelativeTo(null);
    f.setVisible(true);

}

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From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame(Main.class.getSimpleName());
    DefaultTreeModel model = getTreeModel();
    JTree tree1 = new JTree(model);
    JTree tree2 = new JTree(model);
    frame.add(new JScrollPane(tree1), BorderLayout.WEST);
    frame.add(new JScrollPane(tree2), BorderLayout.EAST);
    frame.pack();/*from w w w. j a va  2  s . c  o  m*/
    frame.setSize(frame.getWidth() + 50, frame.getHeight() + 140);
    frame.setVisible(true);
    Timer t = new Timer(2000, new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            DefaultMutableTreeNode root = (DefaultMutableTreeNode) model.getRoot();
            root.add(new DefaultMutableTreeNode("A new node"));
            model.nodesWereInserted(root, new int[] { root.getChildCount() - 1 });
            tree1.expandRow(0);
            tree2.expandRow(0);
            frame.revalidate();
        }
    });
    t.start();
}

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From source file:Main.java

public static void expandAllNodes(JTree tree) {
    int row = 0;//from   w  w w .jav  a  2 s .co  m

    while (row < tree.getRowCount()) {
        tree.expandRow(row);
        ++row;
    }
}

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From source file:Main.java

/**
 * Stolen from http://stackoverflow.com/a/19935987/5620200
 * @param tree/*from w w w . j  av a  2s.  co m*/
 * @param startingIndex
 * @param rowCount
 */
public static void expand(JTree tree, int startingIndex, int rowCount) {
    for (int i = startingIndex; i < rowCount; ++i) {
        tree.expandRow(i);
    }

    if (tree.getRowCount() != rowCount) {
        expand(tree, rowCount, tree.getRowCount());
    }
}

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From source file:Main.java

public static void expandJTree(JTree toexpand) {
    // replace this with a sensible implementation if it fails
    for (int row = 0; row < toexpand.getRowCount(); ++row) {
        toexpand.expandRow(row);
    }/*ww w  .  ja  v  a  2s  .co  m*/
}

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From source file:ec.nbdemetra.ui.demo.ComponentsDemo.java

private static void expandAll(JTree tree) {
    int row = 0;/*from w ww  .  jav a  2  s  .c  o  m*/
    while (row < tree.getRowCount()) {
        tree.expandRow(row);
        row++;
    }
}

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From source file:it.unibas.spicygui.Utility.java

public static void expandAll(JTree tree) {
    int row = 0;/*from www  .  j a  va 2s.  com*/
    while (row < tree.getRowCount()) {
        tree.expandRow(row);
        row++;
    }
}

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From source file:Main.java

/**
 * Loads the given expansion state of a JTree, making it expand in the given manner.
 * /* w  ww . j  av  a2 s. c  om*/
 * @param tree
 *            The JTree to be expended
 * @param enumeration
 *            The expansion state for tree as Enumeration<TreePath>
 */
public static void loadTreeExpansionState(JTree tree, String expansionState, int row) {
    // if a tree is opened for the first time, its expansionState is null
    if (expansionState == null) {
        return;
    }

    StringTokenizer stok = new StringTokenizer(expansionState, ",");
    while (stok.hasMoreTokens()) {
        int token = row + Integer.parseInt(stok.nextToken());
        tree.expandRow(token);
    }
}

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