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

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 *

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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.

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 */

/* @test

   @bug 8214702

   @summary Verifies text position for whitespaced string in printing Swing text

   @run main/manual TestTextPosInPrint

 */

import java.awt.BorderLayout;

import java.awt.FlowLayout;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.Font;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.awt.print.Printable;

import java.awt.print.PageFormat;

import java.awt.print.PrinterException;

import java.awt.print.PrinterJob;

import java.util.concurrent.CountDownLatch;

import java.util.concurrent.TimeUnit;

import javax.swing.JFrame;

import javax.swing.JButton;

import javax.swing.JDialog;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextArea;

import javax.swing.SwingUtilities;

import javax.swing.Timer;

import javax.swing.WindowConstants;

import javax.swing.SwingConstants;

import javax.swing.UIManager;

public class TestTextPosInPrint implements Printable {

    private static final CountDownLatch testEndedSignal = new CountDownLatch(1);

    private static final int testTimeout = 300000;

    private static volatile String testFailureMsg;

    private static volatile boolean testPassed;

    private static volatile boolean testFinished;

    private static PrinterJob job;

    private static JPanel panel;

    private static JFrame f;

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

        job = PrinterJob.getPrinterJob();

        if (job.getPrintService() == null) {

            System.out.println("This test requires printers to be installed. Exiting.");

            return;

        }

        SwingUtilities.invokeLater(() -> createAndShowTestDialog());

        try {

            if (!testEndedSignal.await(testTimeout, TimeUnit.MILLISECONDS)) {

                throw new RuntimeException(String.format(

                    "Test timeout '%d ms' elapsed.", testTimeout));

            }

            if (!testPassed) {

                String failureMsg = testFailureMsg;

                if ((failureMsg != null) && (!failureMsg.trim().isEmpty())) {

                    throw new RuntimeException(failureMsg);

                } else {

                    throw new RuntimeException("Test failed.");

                }

            }

        } catch (InterruptedException ie) {

            throw new RuntimeException(ie);

        } finally {

            testFinished = true;

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

        }

    }

    private static void doTest() throws Exception {

        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

        f = new JFrame();

        f.setLocationRelativeTo(null);

        panel = new JPanel();

        panel.setLayout(new BorderLayout());

        Font font = new Font("Serif", Font.PLAIN, 12);

        JLabel l1 = new JLabel("      1. ABCDE");

        l1.setHorizontalAlignment(SwingConstants.LEFT);

        JLabel l2 = new JLabel("      2. ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ");

        l2.setHorizontalAlignment(SwingConstants.LEFT);

        //JLabel l3 = new JLabel("      3. ABCDE          ");

        JLabel l3 = new JLabel("      3. ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ");

        l3.setHorizontalAlignment(SwingConstants.LEFT);

        panel.add(BorderLayout.NORTH, l1);

        panel.add(BorderLayout.CENTER, l2);

        panel.add(BorderLayout.SOUTH, l3);

        f.getContentPane().add(BorderLayout.NORTH, panel);

        f.setSize(400, 300);

        f.setVisible(true);

        job.setPrintable(new TestTextPosInPrint());

        if (job.printDialog()) {

            try {

                job.print();

            } catch (PrinterException pe) {

                throw new RuntimeException(pe);

            }

        }

    }

    private static void pass() {

        testPassed = true;

        testEndedSignal.countDown();

    }

    private static void fail(String failureMsg) {

        testFailureMsg = failureMsg;

        testPassed = false;

        testEndedSignal.countDown();

    }

    private static String convertMillisToTimeStr(int millis) {

        if (millis < 0) {

            return "00:00:00";

        }

        int hours = millis / 3600000;

        int minutes = (millis - hours * 3600000) / 60000;

        int seconds = (millis - hours * 3600000 - minutes * 60000) / 1000;

        return String.format("%02d:%02d:%02d", hours, minutes, seconds);

    }

    private static void createAndShowTestDialog() {

        String description =

            " 1. Click on \"Start Test\" button.\r\n" +

            " 2. Multiple strings will be displayed on console.\r\n" +

            " 3. A print dialog will be shown. Select any printer to print. " +

            "\r\n" +

            " If the printed output of the strings are same without any alignment issue, click on \"PASS\"\r\n" +

            " button, otherwise click on \"FAIL\" button.";

        final JDialog dialog = new JDialog();

        dialog.setTitle("SaveFileWithoutPrinter");

        dialog.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);

        dialog.addWindowListener(new WindowAdapter() {

            @Override

            public void windowClosing(WindowEvent e) {

                dialog.dispose();

                fail("Main dialog was closed.");

            }

        });

        final JLabel testTimeoutLabel = new JLabel(String.format(

            "Test timeout: %s", convertMillisToTimeStr(testTimeout)));

        final long startTime = System.currentTimeMillis();

        final Timer timer = new Timer(0, null);

        timer.setDelay(1000);

        timer.addActionListener((e) -> {

            int leftTime = testTimeout - (int) (System.currentTimeMillis() - startTime);

            if ((leftTime < 0) || testFinished) {

                timer.stop();

                dialog.dispose();

            }

            testTimeoutLabel.setText(String.format(

                "Test timeout: %s", convertMillisToTimeStr(leftTime)));

        });

        timer.start();

        JTextArea textArea = new JTextArea(description);

        textArea.setEditable(false);

        final JButton testButton = new JButton("Start Test");

        final JButton passButton = new JButton("PASS");

        final JButton failButton = new JButton("FAIL");

        testButton.addActionListener((e) -> {

            testButton.setEnabled(false);

            new Thread(() -> {

                try {

                    doTest();

                    SwingUtilities.invokeLater(() -> {

                        passButton.setEnabled(true);

                        failButton.setEnabled(true);

                    });

                } catch (Throwable t) {

                    t.printStackTrace();

                    dialog.dispose();

                    fail("Exception occurred in a thread executing the test.");

                }

            }).start();

        });

        passButton.setEnabled(false);

        passButton.addActionListener((e) -> {

            dialog.dispose();

            pass();

        });

        failButton.setEnabled(false);

        failButton.addActionListener((e) -> {

            dialog.dispose();

            fail("Printed texts are not aligned as shown in console");

        });

        JPanel mainPanel = new JPanel(new BorderLayout());

        JPanel labelPanel = new JPanel(new FlowLayout());

        labelPanel.add(testTimeoutLabel);

        mainPanel.add(labelPanel, BorderLayout.NORTH);

        mainPanel.add(textArea, BorderLayout.CENTER);

        JPanel buttonPanel = new JPanel(new FlowLayout());

        buttonPanel.add(testButton);

        buttonPanel.add(passButton);

        buttonPanel.add(failButton);

        mainPanel.add(buttonPanel, BorderLayout.SOUTH);

        dialog.add(mainPanel);

        dialog.pack();

        dialog.setVisible(true);

    }

    @Override

    public int print(Graphics pg, PageFormat pf, int pageNum)

        throws PrinterException {

        if (pageNum > 0){

            return Printable.NO_SUCH_PAGE;

        }

        Graphics2D g2 = (Graphics2D) pg;

        g2.translate(pf.getImageableX(), pf.getImageableY());

        panel.paint(g2);

        return Printable.PAGE_EXISTS;

    }

}