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import javax.swing.*;

import java.awt.*;

import java.awt.datatransfer.Clipboard;

import java.awt.datatransfer.DataFlavor;

import java.awt.datatransfer.StringSelection;

import java.awt.datatransfer.Transferable;

import java.awt.event.FocusAdapter;

import java.awt.event.FocusEvent;

import java.awt.event.InputEvent;

import java.awt.event.MouseEvent;

import java.util.Properties;

/*

 * @test

 * @summary To make sure that System & Primary clipboards should behave independently

 * @author Jitender(jitender.singh@eng.sun.com) area=AWT

 * @author dmitriy.ermashov@oracle.com

 * @library ../../../../lib/testlibrary

 * @build ExtendedRobot

 * @run main IndependenceSwingTest

 */

public class IndependenceSwingTest {

    JFrame frame;

    JPanel panel;

    JTextField tf1, tf2, tf3;

    Clipboard sClip, pClip;

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

        new IndependenceSwingTest().doTest();

    }

    public IndependenceSwingTest() {

        frame = new JFrame();

        frame.setSize(200, 200);

        // This textfield will be used to update the contents of clipboards

        tf1 = new JTextField();

        tf1.addFocusListener(new FocusAdapter() {

            public void focusGained(FocusEvent fe) {

                tf1.setText("Clipboards_Independance_Testing");

            }

        });

        // TextFields to get the contents of clipboard

        tf2 = new JTextField();

        tf3 = new JTextField();

        panel = new JPanel();

        panel.setLayout(new BorderLayout());

        panel.add(tf2, BorderLayout.NORTH);

        panel.add(tf3, BorderLayout.SOUTH);

        frame.add(tf1, BorderLayout.NORTH);

        frame.add(panel, BorderLayout.CENTER);

        frame.setVisible(true);

        tf1.requestFocus();

    }

    public void checkSecurity() {

        SecurityManager sm = System.getSecurityManager();

        if (sm == null)  {

            System.out.println("security manager is not there");

            getPrimaryClipboard();

        } else {

            sm.checkPermission(new AWTPermission("accessClipboard"));

            getPrimaryClipboard();

        }

    }

    // Get System Selection i.e. Primary Clipboard

    private void getPrimaryClipboard() {

        Properties ps = System.getProperties();

        String operSys = ps.getProperty("os.name");

        try {

            pClip = Toolkit.getDefaultToolkit().getSystemSelection();

            if (pClip == null)

                if ((operSys.substring(0,3)).equalsIgnoreCase("Win") || operSys.toLowerCase().contains("os x"))

                    System.out.println(operSys + "Operating system does not support system selection ");

                else

                    throw new RuntimeException("Method getSystemSelection() is returning null on X11 platform");

        } catch(HeadlessException e) {

            System.out.println("Headless exception thrown " + e);

        }

    }

    // Method to get the contents of both of the clipboards

    public void getClipboardsContent() throws Exception {

        sClip = Toolkit.getDefaultToolkit().getSystemClipboard();

        Transferable tp;

        Transferable ts;

        StringSelection content = new StringSelection(tf1.getText());

        sClip.setContents(content,content);

        tp = pClip.getContents(this);

        ts = sClip.getContents(this);

        // Paste the contents of System clipboard on textfield tf2 while the paste the contents of

        // of primary clipboard on textfiled tf3

        if ((ts != null) && (ts.isDataFlavorSupported(DataFlavor.stringFlavor))) {

            tf2.setBackground(Color.white);

            tf2.setForeground(Color.black);

            tf2.setText((String) ts.getTransferData(DataFlavor.stringFlavor));

        }

        if ((tp != null) && (tp.isDataFlavorSupported(DataFlavor.stringFlavor))) {

            tf3.setBackground(Color.white);

            tf3.setForeground(Color.black);

            tf3.setText((String) tp.getTransferData(DataFlavor.stringFlavor));

        }

    }

    // Method to compare the Contents return by system & primary clipboard

    public void compareText (boolean mustEqual) {

        if ((tf2.getText()).equals(tf3.getText())) {

            if (mustEqual)

                System.out.println("Selected text & clipboard contents are same\n");

            else

                throw new RuntimeException("Selected text & clipboard contents are same\n");

        } else {

            if (mustEqual)

                throw new RuntimeException("Selected text & clipboard contents differs\n");

            else

                System.out.println("Selected text & clipboard contents differs\n");

        }

    }

    public void doTest() throws Exception {

        checkSecurity();

        ExtendedRobot robot = new ExtendedRobot();

        robot.waitForIdle(1000);

        frame.setLocation(100, 100);

        robot.waitForIdle(1000);

        if (pClip != null) {

            Point ttf1Center = tf1.getLocationOnScreen();

            ttf1Center.translate(tf1.getWidth()/2, tf1.getHeight()/2);

            robot.glide(new Point(0, 0), ttf1Center);

            robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);

            robot.waitForIdle(20);

            robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);

            robot.waitForIdle(20);

            robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);

            robot.waitForIdle(20);

            robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);

            robot.waitForIdle(2000);

            getClipboardsContent();

            compareText(true);

            //Change the text selection to update the contents of primary clipboard

            robot.mouseMove(ttf1Center);

            robot.mousePress(MouseEvent.BUTTON1_MASK);

            robot.delay(200);

            robot.mouseMove(ttf1Center.x + 15, ttf1Center.y);

            robot.mouseRelease(MouseEvent.BUTTON1_MASK);

            robot.waitForIdle(2000);

            getClipboardsContent();

            compareText(false);

        }

    }

}