/*
 * Copyright 2009 Sun Microsystems, Inc.  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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the LICENSE file that accompanied this code.
 *
 * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
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 */

/*
  test %W% %E%
  @bug 4874070
  @summary Tests basic DnD functionality
  @author Your Name: Alexey Utkin area=dnd
  @run applet/manual=yesno ImageDecoratedDnD.html
*/

import java.applet.Applet;
import java.awt.*;
import java.awt.dnd.DragSource;



public class ImageDecoratedDnD extends Applet {
    //Declare things used in the test, like buttons and labels here

    public void init() {
        //Create instructions for the user here, as well as set up
        // the environment -- set the layout manager, add buttons,
        // etc.
        this.setLayout(new BorderLayout());

        String[] instructions =
                {
                        "A Frame, which contains a yellow button labeled \"Drag ME!\" and ",
                        "a red panel, will appear below. ",
                        "1. Click on the button and drag to the red panel. ",
                        "2. When the mouse enters the red panel during the drag, the panel ",
                        "should turn yellow. On the systems that supports pictured drag, ",
                        "the image under the drag-cursor should appear (ancor is shifted ",
                        "from top-left corner of the picture inside the picture to 10pt in both dimensions ). ",
                        "In WIN32 systems the image under cursor would be visible ONLY over ",
                        "the drop targets with activated extended OLE D\'n\'D support (that are ",
                        "the desktop and IE ).",
                        "3. Release the mouse button.",
                        "The panel should turn red again and a yellow button labeled ",
                        "\"Drag ME!\" should appear inside the panel. You should be able ",
                        "to repeat this operation multiple times."
                };
        Sysout.createDialogWithInstructions(instructions);

    }//End  init()

    public void start() {
        Frame f = new Frame("Use keyboard for DnD change");
        Panel mainPanel;
        Component dragSource, dropTarget;

        f.setBounds(0, 400, 200, 200);
        f.setLayout(new BorderLayout());

        mainPanel = new Panel();
        mainPanel.setLayout(new BorderLayout());

        mainPanel.setBackground(Color.blue);

        dropTarget = new DnDTarget(Color.red, Color.yellow);
        dragSource = new DnDSource("Drag ME! (" + (DragSource.isDragImageSupported()?"with ":"without") + " image)" );

        mainPanel.add(dragSource, "North");
        mainPanel.add(dropTarget, "Center");
        f.add(mainPanel, BorderLayout.CENTER);

        f.setVisible(true);
    }// start()
}// class DnDAcceptanceTest


/**
 * *************************************************
 * Standard Test Machinery
 * DO NOT modify anything below -- it's a standard
 * chunk of code whose purpose is to make user
 * interaction uniform, and thereby make it simpler
 * to read and understand someone else's test.
 * **************************************************
 */
class Sysout {
    private static TestDialog dialog;

    public static void createDialogWithInstructions(String[] instructions) {
        dialog = new TestDialog(new Frame(), "Instructions");
        dialog.printInstructions(instructions);
        dialog.show();
        println("Any messages for the tester will display here.");
    }

    public static void createDialog() {
        dialog = new TestDialog(new Frame(), "Instructions");
        String[] defInstr = {"Instructions will appear here. ", ""};
        dialog.printInstructions(defInstr);
        dialog.show();
        println("Any messages for the tester will display here.");
    }


    public static void printInstructions(String[] instructions) {
        dialog.printInstructions(instructions);
    }


    public static void println(String messageIn) {
        dialog.displayMessage(messageIn);
    }

}// Sysout  class


class TestDialog extends Dialog {

    TextArea instructionsText;
    TextArea messageText;
    int maxStringLength = 80;

    //DO NOT call this directly, go through Sysout
    public TestDialog(Frame frame, String name) {
        super(frame, name);
        int scrollBoth = TextArea.SCROLLBARS_BOTH;
        instructionsText = new TextArea("", 15, maxStringLength, scrollBoth);
        add("North", instructionsText);

        messageText = new TextArea("", 5, maxStringLength, scrollBoth);
        add("South", messageText);

        pack();

        show();
    }// TestDialog()

    //DO NOT call this directly, go through Sysout
    public void printInstructions(String[] instructions) {
        //Clear out any current instructions
        instructionsText.setText("");

        //Go down array of instruction strings

        String printStr, remainingStr;
        for (int i = 0; i < instructions.length; i++) {
            //chop up each into pieces maxSringLength long
            remainingStr = instructions[i];
            while (remainingStr.length() > 0) {
                //if longer than max then chop off first max chars to print
                if (remainingStr.length() >= maxStringLength) {
                    //Try to chop on a word boundary
                    int posOfSpace = remainingStr.
                            lastIndexOf(' ', maxStringLength - 1);

                    if (posOfSpace <= 0) posOfSpace = maxStringLength - 1;

                    printStr = remainingStr.substring(0, posOfSpace + 1);
                    remainingStr = remainingStr.substring(posOfSpace + 1);
                }
                //else just print
                else {
                    printStr = remainingStr;
                    remainingStr = "";
                }

                instructionsText.append(printStr + "\n");

            }// while

        }// for

    }//printInstructions()

    //DO NOT call this directly, go through Sysout
    public void displayMessage(String messageIn) {
        messageText.append(messageIn + "\n");
    }

}// TestDialog  class