undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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492
test/jdk/java/awt/dnd/NestedHeavyweightDropTargetTest.java
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492
test/jdk/java/awt/dnd/NestedHeavyweightDropTargetTest.java
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/*
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* Copyright (c) 2000, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.AWTEvent;
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import java.awt.BorderLayout;
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import java.awt.Button;
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import java.awt.Color;
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import java.awt.Component;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.Graphics;
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import java.awt.GridLayout;
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import java.awt.Panel;
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import java.awt.Point;
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import java.awt.Robot;
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import java.awt.Toolkit;
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import java.awt.datatransfer.DataFlavor;
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import java.awt.datatransfer.Transferable;
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import java.awt.datatransfer.UnsupportedFlavorException;
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import java.awt.dnd.DnDConstants;
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import java.awt.dnd.DragGestureEvent;
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import java.awt.dnd.DragGestureListener;
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import java.awt.dnd.DragSource;
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import java.awt.dnd.DragSourceDragEvent;
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import java.awt.dnd.DragSourceDropEvent;
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import java.awt.dnd.DragSourceEvent;
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import java.awt.dnd.DragSourceListener;
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import java.awt.dnd.DropTarget;
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import java.awt.dnd.DropTargetContext;
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import java.awt.dnd.DropTargetDragEvent;
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import java.awt.dnd.DropTargetDropEvent;
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import java.awt.dnd.DropTargetEvent;
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import java.awt.dnd.DropTargetListener;
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import java.awt.event.AWTEventListener;
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import java.awt.event.InputEvent;
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import java.awt.event.KeyEvent;
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import java.awt.event.MouseEvent;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.Serializable;
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/*
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@test
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@bug 4389284
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@summary tests that drop targets registered on nested heavyweight
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components work properly
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@key headful
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@run main NestedHeavyweightDropTargetTest
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*/
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public class NestedHeavyweightDropTargetTest {
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volatile Frame frame;
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volatile DragSourceButton dragSourceButton;
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volatile DropTargetPanel dropTargetPanel;
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volatile InnerDropTargetPanel innerDropTargetPanel;
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volatile Button button;
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volatile Dimension d;
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volatile Point srcPoint;
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volatile Point dstPoint;
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static final int DROP_COMPLETION_TIMEOUT = 1000;
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public static void main(String[] args) throws Exception {
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NestedHeavyweightDropTargetTest test = new NestedHeavyweightDropTargetTest();
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EventQueue.invokeAndWait(test::init);
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try {
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test.start();
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} finally {
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EventQueue.invokeAndWait(() -> {
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if (test.frame != null) {
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test.frame.dispose();
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}
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});
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}
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}
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public void init() {
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frame = new Frame();
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dragSourceButton = new DragSourceButton();
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dropTargetPanel = new DropTargetPanel();
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innerDropTargetPanel = new InnerDropTargetPanel();
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button = new Button("button");
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button.setBackground(Color.red);
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innerDropTargetPanel.setLayout(new GridLayout(3, 1));
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innerDropTargetPanel.add(button);
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innerDropTargetPanel.setBackground(Color.yellow);
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dropTargetPanel.setLayout(new GridLayout(2, 1));
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dropTargetPanel.add(innerDropTargetPanel);
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dropTargetPanel.setBackground(Color.green);
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frame.setTitle("NestedHeavyweightDropTargetTest");
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frame.setLocation(200, 200);
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frame.setLayout(new BorderLayout());
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frame.add(dropTargetPanel, BorderLayout.CENTER);
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frame.add(dragSourceButton, BorderLayout.SOUTH);
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frame.pack();
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innerDropTargetPanel.setDropTarget(new DropTarget(innerDropTargetPanel, innerDropTargetPanel));
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dropTargetPanel.setDropTarget(new DropTarget(dropTargetPanel, dropTargetPanel));
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frame.setVisible(true);
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}
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public void start() throws Exception {
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Robot robot = new Robot();
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Util.waitForInit();
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test1(robot);
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test2(robot);
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}
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public static int sign(int n) {
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return n < 0 ? -1 : n == 0 ? 0 : 1;
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}
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public void test1(Robot robot) throws Exception {
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innerDropTargetPanel.setDragEnterTriggered(false);
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innerDropTargetPanel.setDragOverTriggered(false);
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innerDropTargetPanel.setDragExitTriggered(false);
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innerDropTargetPanel.setDropTriggered(false);
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EventQueue.invokeAndWait(() -> {
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srcPoint = dragSourceButton.getLocationOnScreen();
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d = dragSourceButton.getSize();
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});
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srcPoint.translate(d.width / 2, d.height / 2);
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if (!Util.pointInComponent(robot, srcPoint, dragSourceButton)) {
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System.err.println("WARNING: Couldn't locate " + dragSourceButton +
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" at point " + srcPoint);
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return;
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}
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EventQueue.invokeAndWait(() -> {
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dstPoint = innerDropTargetPanel.getLocationOnScreen();
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d = innerDropTargetPanel.getSize();
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});
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dstPoint.translate(d.width / 2, d.height / 2);
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if (!Util.pointInComponent(robot, dstPoint, innerDropTargetPanel)) {
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System.err.println("WARNING: Couldn't locate " + innerDropTargetPanel +
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" at point " + dstPoint);
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return;
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}
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robot.mouseMove(srcPoint.x, srcPoint.y);
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robot.keyPress(KeyEvent.VK_CONTROL);
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robot.mousePress(InputEvent.BUTTON1_MASK);
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for (;!srcPoint.equals(dstPoint);
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srcPoint.translate(sign(dstPoint.x - srcPoint.x),
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sign(dstPoint.y - srcPoint.y))) {
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robot.mouseMove(srcPoint.x, srcPoint.y);
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Thread.sleep(10);
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}
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robot.mouseRelease(InputEvent.BUTTON1_MASK);
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robot.keyRelease(KeyEvent.VK_CONTROL);
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Thread.sleep(DROP_COMPLETION_TIMEOUT);
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if (!innerDropTargetPanel.isDragEnterTriggered()) {
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throw new RuntimeException("child dragEnter() not triggered");
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}
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if (!innerDropTargetPanel.isDragOverTriggered()) {
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throw new RuntimeException("child dragOver() not triggered");
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}
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if (!innerDropTargetPanel.isDropTriggered()) {
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throw new RuntimeException("child drop() not triggered");
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}
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}
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public void test2(Robot robot) throws Exception {
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innerDropTargetPanel.setDragEnterTriggered(false);
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innerDropTargetPanel.setDragOverTriggered(false);
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innerDropTargetPanel.setDragExitTriggered(false);
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innerDropTargetPanel.setDropTriggered(false);
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EventQueue.invokeAndWait(() -> {
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srcPoint = dragSourceButton.getLocationOnScreen();
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d = dragSourceButton.getSize();
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});
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srcPoint.translate(d.width / 2, d.height / 2);
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if (!Util.pointInComponent(robot, srcPoint, dragSourceButton)) {
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System.err.println("WARNING: Couldn't locate " + dragSourceButton +
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" at point " + srcPoint);
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return;
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}
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EventQueue.invokeAndWait(() -> {
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dstPoint = button.getLocationOnScreen();
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d = button.getSize();
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});
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dstPoint.translate(d.width / 2, d.height / 2);
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if (!Util.pointInComponent(robot, dstPoint, button)) {
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System.err.println("WARNING: Couldn't locate " + button +
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" at point " + dstPoint);
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return;
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}
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robot.mouseMove(srcPoint.x, srcPoint.y);
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robot.keyPress(KeyEvent.VK_CONTROL);
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robot.mousePress(InputEvent.BUTTON1_MASK);
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for (;!srcPoint.equals(dstPoint);
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srcPoint.translate(sign(dstPoint.x - srcPoint.x),
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sign(dstPoint.y - srcPoint.y))) {
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robot.mouseMove(srcPoint.x, srcPoint.y);
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Thread.sleep(10);
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}
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robot.mouseRelease(InputEvent.BUTTON1_MASK);
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robot.keyRelease(KeyEvent.VK_CONTROL);
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Thread.sleep(DROP_COMPLETION_TIMEOUT);
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if (!innerDropTargetPanel.isDragEnterTriggered()) {
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throw new RuntimeException("child dragEnter() not triggered");
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}
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if (!innerDropTargetPanel.isDragOverTriggered()) {
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throw new RuntimeException("child dragOver() not triggered");
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}
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if (!innerDropTargetPanel.isDropTriggered()) {
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throw new RuntimeException("child drop() not triggered");
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}
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}
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}
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class Util implements AWTEventListener {
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private static final Toolkit tk = Toolkit.getDefaultToolkit();
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public static final Object SYNC_LOCK = new Object();
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private Component clickedComponent = null;
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private static final int PAINT_TIMEOUT = 10000;
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private static final int MOUSE_RELEASE_TIMEOUT = 10000;
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private static final Util util = new Util();
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static {
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tk.addAWTEventListener(util, 0xFFFFFFFF);
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}
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private void reset() {
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clickedComponent = null;
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}
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public void eventDispatched(AWTEvent e) {
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if (e.getID() == MouseEvent.MOUSE_RELEASED) {
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clickedComponent = (Component)e.getSource();
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synchronized (SYNC_LOCK) {
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SYNC_LOCK.notifyAll();
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}
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}
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}
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public static boolean pointInComponent(Robot robot, Point p, Component comp)
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throws InterruptedException {
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return util.isPointInComponent(robot, p, comp);
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}
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private boolean isPointInComponent(Robot robot, Point p, Component comp)
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throws InterruptedException {
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tk.sync();
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robot.waitForIdle();
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reset();
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robot.mouseMove(p.x, p.y);
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robot.mousePress(InputEvent.BUTTON1_MASK);
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synchronized (SYNC_LOCK) {
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robot.mouseRelease(InputEvent.BUTTON1_MASK);
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SYNC_LOCK.wait(MOUSE_RELEASE_TIMEOUT);
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}
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Component c = clickedComponent;
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while (c != null && c != comp) {
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c = c.getParent();
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}
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return c == comp;
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}
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public static void waitForInit() throws InterruptedException {
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final Frame f = new Frame() {
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public void paint(Graphics g) {
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dispose();
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synchronized (SYNC_LOCK) {
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SYNC_LOCK.notifyAll();
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}
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}
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};
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f.setBounds(600, 400, 200, 200);
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synchronized (SYNC_LOCK) {
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f.setVisible(true);
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SYNC_LOCK.wait(PAINT_TIMEOUT);
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}
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tk.sync();
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}
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}
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class DragSourceButton extends Button implements Serializable,
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Transferable,
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DragGestureListener,
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DragSourceListener {
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private final DataFlavor dataflavor =
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new DataFlavor(Button.class, "DragSourceButton");
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public DragSourceButton() {
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this("DragSourceButton");
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}
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public DragSourceButton(String str) {
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super(str);
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DragSource ds = DragSource.getDefaultDragSource();
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ds.createDefaultDragGestureRecognizer(this, DnDConstants.ACTION_COPY,
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this);
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}
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public void dragGestureRecognized(DragGestureEvent dge) {
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dge.startDrag(null, this, this);
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}
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public void dragEnter(DragSourceDragEvent dsde) {}
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public void dragExit(DragSourceEvent dse) {}
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public void dragOver(DragSourceDragEvent dsde) {}
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public void dragDropEnd(DragSourceDropEvent dsde) {}
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public void dropActionChanged(DragSourceDragEvent dsde) {}
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public Object getTransferData(DataFlavor flavor)
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throws UnsupportedFlavorException, IOException {
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if (!isDataFlavorSupported(flavor)) {
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throw new UnsupportedFlavorException(flavor);
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}
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Object retObj = null;
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ByteArrayOutputStream baoStream = new ByteArrayOutputStream();
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ObjectOutputStream ooStream = new ObjectOutputStream(baoStream);
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ooStream.writeObject(this);
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ByteArrayInputStream baiStream = new ByteArrayInputStream(baoStream.toByteArray());
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ObjectInputStream ois = new ObjectInputStream(baiStream);
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try {
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retObj = ois.readObject();
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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throw new RuntimeException(e.toString());
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}
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return retObj;
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}
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public DataFlavor[] getTransferDataFlavors() {
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return new DataFlavor[] { dataflavor };
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}
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public boolean isDataFlavorSupported(DataFlavor dflavor) {
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return dataflavor.equals(dflavor);
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}
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}
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class InnerDropTargetPanel extends DropTargetPanel {
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private boolean dragEnterTriggered = false;
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private boolean dragOverTriggered = false;
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private boolean dragExitTriggered = false;
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private boolean dropTriggered = false;
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public void dragEnter(DropTargetDragEvent dtde) {
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setDragEnterTriggered(true);
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}
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public void dragExit(DropTargetEvent dte) {
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setDragExitTriggered(true);
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}
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public void dragOver(DropTargetDragEvent dtde) {
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setDragOverTriggered(true);
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}
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public void dropActionChanged(DropTargetDragEvent dtde) {}
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public void drop(DropTargetDropEvent dtde) {
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setDropTriggered(true);
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dtde.rejectDrop();
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}
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public boolean isDragEnterTriggered() {
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return dragEnterTriggered;
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}
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public boolean isDragOverTriggered() {
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return dragOverTriggered;
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}
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public boolean isDragExitTriggered() {
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return dragExitTriggered;
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}
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public boolean isDropTriggered() {
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return dropTriggered;
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}
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public void setDragEnterTriggered(boolean b) {
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dragEnterTriggered = b;
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}
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public void setDragOverTriggered(boolean b) {
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dragOverTriggered = b;
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}
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public void setDragExitTriggered(boolean b) {
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dragExitTriggered = b;
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}
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public void setDropTriggered(boolean b) {
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dropTriggered = b;
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}
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}
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class DropTargetPanel extends Panel implements DropTargetListener {
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public void dragEnter(DropTargetDragEvent dtde) {}
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public void dragExit(DropTargetEvent dte) {}
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public void dragOver(DropTargetDragEvent dtde) {}
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public void dropActionChanged(DropTargetDragEvent dtde) {}
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public void drop(DropTargetDropEvent dtde) {
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DropTargetContext dtc = dtde.getDropTargetContext();
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if ((dtde.getSourceActions() & DnDConstants.ACTION_COPY) != 0) {
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dtde.acceptDrop(DnDConstants.ACTION_COPY);
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} else {
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dtde.rejectDrop();
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}
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DataFlavor[] dfs = dtde.getCurrentDataFlavors();
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Component comp = null;
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if (dfs != null && dfs.length >= 1) {
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Transferable transfer = dtde.getTransferable();
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try {
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comp = (Component)transfer.getTransferData(dfs[0]);
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} catch (Throwable e) {
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e.printStackTrace();
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dtc.dropComplete(false);
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}
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}
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dtc.dropComplete(true);
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add(comp);
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||||
}
|
||||
}
|
||||
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