/*
 * Copyright (c) 2016, 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
 * @key headful
 * @bug 8139215
 * @summary RTFEditorKit does not save alignment
 * @author Semyon Sadetsky
 */

import javax.swing.*;
import javax.swing.text.*;
import javax.swing.text.rtf.RTFEditorKit;
import java.awt.*;
import java.io.*;

public class RTFWriteParagraphAlignTest {

    public static final String RTF_DATA[] = {
                    "{\\rtf1\\ansi\\ansicpg1252\\" +
                    "cocoartf949\\cocoasubrtf350" +
                    "{\\fonttbl\\f0\\fswiss\\fcharset0 Helvetica;}" +
                    "{\\colortbl;\\red255\\green255\\blue255;}" +
                    "\\margl1440\\margr1440\\vieww9000\\viewh8400\\viewkind0" +
                    "\\pard\\ql\\pardirnatural" +
                    "\\f0\\fs24 \\cf0 left}",
                    "{\\rtf1\\ansi\\ansicpg1252\\" +
                    "cocoartf949\\cocoasubrtf350" +
                    "{\\fonttbl\\f0\\fswiss\\fcharset0 Helvetica;}" +
                    "{\\colortbl;\\red255\\green255\\blue255;}" +
                    "\\margl1440\\margr1440\\vieww9000\\viewh8400\\viewkind0" +
                    "\\pard\\qc\\pardirnatural" +
                    "\\f0\\fs24 \\cf0 center}",
                    "{\\rtf1\\ansi\\ansicpg1252\\" +
                    "cocoartf949\\cocoasubrtf350" +
                    "{\\fonttbl\\f0\\fswiss\\fcharset0 Helvetica;}" +
                    "{\\colortbl;\\red255\\green255\\blue255;}" +
                    "\\margl1440\\margr1440\\vieww9000\\viewh8400\\viewkind0" +
                    "\\pard\\qr\\pardirnatural" +
                    "\\f0\\fs24 \\cf0 right}",
                    "{\\rtf1\\ansi\\ansicpg1252\\" +
                    "cocoartf949\\cocoasubrtf350" +
                    "{\\fonttbl\\f0\\fswiss\\fcharset0 Helvetica;}" +
                    "{\\colortbl;\\red255\\green255\\blue255;}" +
                    "\\margl1440\\margr1440\\vieww9000\\viewh8400\\viewkind0" +
                    "\\pard\\qj\\pardirnatural" +
                    "\\f0\\fs24 \\cf0 justifiedtextjustifiedtext " +
                    "justifiedtextjustifiedtext justifiedtextjustifiedtext " +
                    "justifiedtextjustifiedtext justifiedtextjustifiedtext }",
    };
    private static JFrame frame;
    private static JTextPane jTextPane;
    private static int position1;
    private static int position2;
    private static RTFEditorKit rtfEditorKit;
    private static Robot robot;

    public static void main(String[] args) throws Exception{
        rtfEditorKit = new RTFEditorKit();
        robot = new Robot();

        SwingUtilities.invokeAndWait(() -> {
            frame = new JFrame();
            frame.setUndecorated(true);
            frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
            frame.setSize(600, 200);
            jTextPane = new JTextPane();
            frame.getContentPane().add(jTextPane);
            frame.setVisible(true);
        });

        test(StyleConstants.ALIGN_LEFT);
        test(StyleConstants.ALIGN_CENTER);
        test(StyleConstants.ALIGN_RIGHT);
        test(StyleConstants.ALIGN_JUSTIFIED);

        SwingUtilities.invokeAndWait(()->frame.dispose());

        System.out.println("ok");
    }

    static void test(int align) throws Exception {
        SwingUtilities.invokeAndWait(()->{
            jTextPane.setDocument(rtfEditorKit.createDefaultDocument());
            try {
                rtfEditorKit.read(new ByteArrayInputStream(RTF_DATA[align].
                        getBytes()), jTextPane.getDocument(), 0);
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        });

        robot.waitForIdle();
        SwingUtilities.invokeAndWait(()->{
            try {
                int endOffset = jTextPane.getDocument().getRootElements()[0].
                        getElement(0).getEndOffset();
                position1 = jTextPane.modelToView(endOffset - 1).x;
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        });

        File tempFile = File.createTempFile("aaaa", ".rtf");
        tempFile.deleteOnExit();
        rtfEditorKit.write(new FileOutputStream(tempFile),
               jTextPane.getDocument(), 0, jTextPane.getDocument().getLength());
        Document d = rtfEditorKit.createDefaultDocument();
        rtfEditorKit.read(new FileInputStream(tempFile), d, 0);
        SwingUtilities.invokeAndWait(() -> jTextPane.setDocument(d));

        robot.waitForIdle();
        SwingUtilities.invokeAndWait(()->{
            try {
                int endOffset = jTextPane.getDocument().getRootElements()[0].
                        getElement(0).getEndOffset();
                position2 = jTextPane.modelToView(endOffset-1).x;
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        });

        if (position1 != position2) {
            throw new RuntimeException("Alignment is not preserved after the " +
                    "document write/read");
        }
    }
}