/*

 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 8003400

 * @summary Tests that JTree shows the last row

 * @author Sergey Malenkov

 * @run main/othervm Test8003400

 * @run main/othervm Test8003400 reverse

 * @run main/othervm Test8003400 system

 * @run main/othervm Test8003400 system reverse

 */

import sun.awt.SunToolkit;

import java.awt.Rectangle;

import java.awt.Robot;

import java.awt.Toolkit;

import java.awt.event.KeyEvent;

import java.util.Arrays;

import java.util.Collections;

import java.util.List;

import javax.swing.JFrame;

import javax.swing.JScrollPane;

import javax.swing.JTree;

import javax.swing.SwingUtilities;

import javax.swing.UIManager;

import javax.swing.tree.DefaultMutableTreeNode;

public class Test8003400 {

    private static final String TITLE = "Test JTree with a large model";

    private static List<String> OBJECTS = Arrays.asList(TITLE, "x", "y", "z");

    private static JScrollPane pane;

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

        for (String arg : args) {

            if (arg.equals("reverse")) {

                Collections.reverse(OBJECTS);

            }

            if (arg.equals("system")) {

                UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

            }

        }

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {

                DefaultMutableTreeNode root = new DefaultMutableTreeNode();

                JTree tree = new JTree(root);

                tree.setLargeModel(true);

                tree.setRowHeight(16);

                JFrame frame = new JFrame(TITLE);

                frame.add(pane = new JScrollPane(tree));

                frame.setSize(200, 100);

                frame.setLocationRelativeTo(null);

                frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

                frame.setVisible(true);

                for (String object : OBJECTS) {

                    root.add(new DefaultMutableTreeNode(object));

                }

                tree.expandRow(0);

            }

        });

        SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();

        toolkit.realSync(500);

        new Robot().keyPress(KeyEvent.VK_END);

        toolkit.realSync(500);

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {

                JTree tree = (JTree) pane.getViewport().getView();

                Rectangle inner = tree.getRowBounds(tree.getRowCount() - 1);

                Rectangle outer = SwingUtilities.convertRectangle(tree, inner, pane);

                outer.y += tree.getRowHeight() - 1 - pane.getVerticalScrollBar().getHeight();

                // error reporting only for automatic testing

                if (null != System.getProperty("test.src", null)) {

                    SwingUtilities.getWindowAncestor(pane).dispose();

                    if (outer.y != 0) {

                        throw new Error("TEST FAILED: " + outer.y);

                    }

                }

            }

        });

    }

}