/*

 * 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.

 *

 * 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.

 *

 */

import java.awt.*;

import sun.awt.*;

import java.awt.event.*;

import java.lang.reflect.*;

import java.awt.dnd.*;

import java.awt.datatransfer.*;

public class JavaClient {

    ClientContainer cont;

    public static void main(String[] args) {

        if (System.getProperty("os.name").toLowerCase().startsWith("win")) {

            return;

        }

        // Enable testing extensions in XEmbed server

        System.setProperty("sun.awt.xembed.testing", "true");

        boolean xtoolkit = "sun.awt.X11.XToolkit".equals(Toolkit.getDefaultToolkit().getClass().getName());

        final EmbeddedFrame ef = createEmbeddedFrame(xtoolkit, Long.parseLong(args[0]));

        ef.setBackground(new Color(100, 100, 200));

        ef.setLayout(new BorderLayout());

        ef.add(new ClientContainer(ef), BorderLayout.CENTER);

        ef.pack();

        ef.registerListeners();

        ef.setVisible(true);

    }

    private static EmbeddedFrame createEmbeddedFrame(boolean xtoolkit, long window) {

        try {

            Class cl = (xtoolkit?Class.forName("sun.awt.X11.XEmbeddedFrame"):Class.forName("sun.awt.motif.MEmbeddedFrame"));

            Constructor cons = cl.getConstructor(new Class[]{Long.TYPE, Boolean.TYPE});

            return (EmbeddedFrame)cons.newInstance(new Object[] {window, true});

        } catch (Exception e) {

            e.printStackTrace();

            throw new RuntimeException("Can't create embedded frame");

        }

    }

}

class ClientContainer extends Container {

    Window parent;

    int width, height;

    public ClientContainer(Window w) {

        parent = w;

        width = 500;

        height = 50;

        final TextField tf = new TextField(30);

        DragSource ds = new DragSource();

        final DragSourceListener dsl = new DragSourceAdapter() {

                public void dragDropEnd(DragSourceDropEvent dsde) {

                }

            };

        final DragGestureListener dgl = new DragGestureListener() {

                public void dragGestureRecognized(DragGestureEvent dge) {

                    dge.startDrag(null, new StringSelection(tf.getText()), dsl);

                }

            };

        ds.createDefaultDragGestureRecognizer(tf, DnDConstants.ACTION_COPY, dgl);

        final DropTargetListener dtl = new DropTargetAdapter() {

                public void drop(DropTargetDropEvent dtde) {

                    dtde.acceptDrop(DnDConstants.ACTION_COPY);

                    try {

                        tf.setText(tf.getText() + (String)dtde.getTransferable().getTransferData(DataFlavor.stringFlavor));

                    } catch (Exception e) {

                    }

                }

            };

        final DropTarget dt = new DropTarget(tf, dtl);

        setLayout(new FlowLayout());

        add(tf);

        Button close = new Button("Close");

        close.addActionListener(new ActionListener() {

                public void actionPerformed(ActionEvent e) {

                    parent.dispose();

                }

            });

        Button inc = new Button("Increase size");

        inc.addActionListener(new ActionListener() {

                public void actionPerformed(ActionEvent e) {

                    changeSize(10);

                }

            });

        Button dec = new Button("Decrease size");

        dec.addActionListener(new ActionListener() {

                public void actionPerformed(ActionEvent e) {

                    changeSize(-10);

                }

            });

        add(close);

        add(inc);

        add(dec);

    }

    void changeSize(int step) {

        width += step;

        height += step;

        parent.pack();

    }

    public Dimension getPreferredSize() {

        return new Dimension(width, height);

    }

}