Example usage for javax.swing JTree getRowCount

Introduction

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

Prototype

@BeanProperty(bound = false)
public int getRowCount() 

Source Link

Document

Returns the number of viewable nodes.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {

    JTree tree = new JTree();

    int startRow = tree.getRowCount() - 1;
    String prefix = "b";
    TreePath path = tree.getNextMatch(prefix, startRow, Position.Bias.Backward);
    System.out.println(path);/* w ww . ja  va  2s  .  com*/

}

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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  ww w .j  av a2 s  . c  o m
    }
    f.add(new JScrollPane(tree));
    f.pack();
    f.setSize(200, 200);
    f.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);/* w w  w. j a va2s . 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 collapseAllNodes(JTree tree) {
    int row = tree.getRowCount() - 1;

    while (row > 0) {
        tree.collapseRow(row);//from w ww .j  a va2s . c om
        --row;
    }
}

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From source file:Main.java

public static void expandAllNodes(JTree tree) {
    int row = 0;//from   w w w . j  av a 2s.c  o m

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

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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);/*from w  ww. j  a v a2  s.  c  o m*/
    }
}

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From source file:Main.java

private static int getStopRow(JTree tree, int startRow) {
    int startDepth = tree.getPathForRow(startRow).getPathCount();
    int last = tree.getRowCount();
    int stopRow = last;
    for (int i = startRow + 1; i < last; ++i) {
        int depth = tree.getPathForRow(i).getPathCount();
        if (depth <= startDepth) {
            stopRow = i;/*from   w  ww .  j  a v  a2  s . c  o m*/
            break;
        }
    }
    return stopRow;
}

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From source file:Main.java

/**
 * Stolen from http://stackoverflow.com/a/19935987/5620200
 * @param tree// w  w  w .j  a v  a 2 s  .  c  o 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:ec.nbdemetra.ui.demo.ComponentsDemo.java

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

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From source file:Main.java

/**
 * Saves the current expansion state of a JTree and returns it in an Enumeration for storing purposes. Example: A
 * JTree that has all its branches collapsed will return a TreeExpansionState of ",0".
 * /*w  ww  . ja  v  a 2s.  co m*/
 * @param tree
 *            Save the current expansion state of this tree
 * @return The current expansion state of the given tree as Enumeration<TreePath>
 */
public static String getTreeExpansionState(JTree tree, int row) {
    TreePath rowPath = tree.getPathForRow(row);
    StringBuilder sb = new StringBuilder();
    int rowCount = tree.getRowCount();

    for (int i = row; i < rowCount; i++) {
        TreePath path = tree.getPathForRow(i);

        if (i == row || isDescendant(path, rowPath)) {
            if (tree.isExpanded(path))
                sb.append("," + String.valueOf(i - row));
        } else {
            break;
        }
    }
    return sb.toString();
}

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