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 *

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

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 * published by the Free Software Foundation.

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

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 * 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

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 * 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

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 */

/*

 * @test

 * @bug 6636983

 * @summary test that composed text at the line starts is handled correctly

 * @author Sergey Groznyh

 * @run main bug6636983

 */

import sun.swing.SwingUtilities2;

import javax.swing.*;

import javax.swing.text.*;

import javax.swing.text.html.HTMLDocument;

import java.awt.*;

import java.awt.event.InputMethodEvent;

import java.awt.event.KeyEvent;

import java.text.AttributedString;

public class bug6636983 {

    private Robot robot;

    private final AttributedString Hiragana_A = new AttributedString("\u3042");

    void sendInputMethodEvent() {

        InputMethodEvent ime = new InputMethodEvent(

                ep,

                InputMethodEvent.INPUT_METHOD_TEXT_CHANGED,

                Hiragana_A.getIterator(),

                0,

                null,

                null);

        ep.dispatchEvent(ime);

    }

    void checkComposedTextRun() {

        HTMLDocument d = (HTMLDocument) ep.getDocument();

        ElementIterator it = new ElementIterator(d.getDefaultRootElement());

        while (true) {

            Element e = it.next();

            if (e == null) {

                throw new RuntimeException("no composed text found");

            }

            AttributeSet a = e.getAttributes();

            if (a.isDefined(StyleConstants.ComposedTextAttribute)) {

                if (!AbstractDocument.ContentElementName.equals(a.getAttribute(StyleConstants.NameAttribute))) {

                    throw new RuntimeException("AbstractDocument.ContentElementName.equals(a.getAttribute(StyleConstants.NameAttribute)) is false");

                }

                if (a.isDefined(SwingUtilities2.IMPLIED_CR)) {

                    throw new RuntimeException("a.isDefined(SwingUtilities2.IMPLIED_CR) is true");

                }

                return;

            }

        }

    }

    JEditorPane ep;

    void initAtParagraphStart() {

        ep.setText("A<p>B");

        hitKey(KeyEvent.VK_LEFT);

    }

    void sendAtParagraphStart() {

        sendInputMethodEvent();

    }

    void checkAtParagraphStart() {

        checkComposedTextRun();

    }

    void initAfterBRElement() {

        ep.setText("A<br>B");

        hitKey(KeyEvent.VK_LEFT);

    }

    void sendAtBRElement() {

        sendInputMethodEvent();

    }

    void checkAtBrElement() {

        checkComposedTextRun();

    }

    private void hitKey(int keycode) {

        robot.keyPress(keycode);

        robot.keyRelease(keycode);

        robot.delay(550); // The magic number equals JRobot.DEFAULT_DELAY

    }

    private void run() throws Exception {

        robot = new Robot();

        ep = new JEditorPane();

        ep.setContentType("text/html");

        ep.setPreferredSize(new Dimension(100, 100));

        JFrame frame = new JFrame("Test: " + getClass().getName());

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        frame.add(ep);

        frame.setVisible(true);

    }

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

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {

                try {

                    bug6636983 bug6636983 = new bug6636983();

                    bug6636983.run();

                    bug6636983.initAtParagraphStart();

                    bug6636983.sendAtParagraphStart();

                    bug6636983.checkAtParagraphStart();

                    bug6636983.initAfterBRElement();

                    bug6636983.sendAtBRElement();

                    bug6636983.checkAtBrElement();

                    System.out.println("OK");

                } catch (Exception e) {

                    throw new RuntimeException("The test failed", e);

                }

            }

        });

    }

}