/*

    File:       AESendFrame.java

    Description:    Sample showing how to send and receive AppleEvents using JDirect 3.

    Author:     EPJ, LB, MH

    Copyright:  © Copyright 1999 - 2002 Apple Computer, Inc. All rights reserved.

    Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.

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                please do not use, install, modify or redistribute this Apple software.

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    Change History (most recent first):

    * version 1.0

    * 4/15/1999 Shipped as 'AppleEvent Send and Receive' sample.

    * version 2.0

    * 4/2/2002  Updated to Swing

    * This class contains this sample's user interface for sending AppleEvents.

*/

package com.apple.dts.samplecode.aesendandreceive.aesend;

import java.awt.Color;

import java.awt.Insets;

import java.awt.Font;

import java.awt.Toolkit;

import java.awt.GridBagLayout;

import java.awt.GridBagConstraints;

import java.awt.event.KeyEvent;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JFrame;

import javax.swing.JButton;

import com.apple.dts.samplecode.aesendandreceive.shared.*;

public class AESendFrame extends JFrame

{   

    /**

     * Creates the UI for the AESend example.

     */

    public AESendFrame() throws NativeException

    {

        //{{INIT_CONTROLS

        GridBagLayout gridBagLayout;

        gridBagLayout = new GridBagLayout();

        getContentPane().setLayout(gridBagLayout);

        setVisible(false);

        setSize(466,90);

        setBackground(new Color(-1052689));

        divider1 = new Divider();

        divider1.setBounds(5,51,456,2);

        GridBagConstraints gbc;

        gbc = new GridBagConstraints();

        gbc.gridx = 1;

        gbc.gridy = 4;

        gbc.gridwidth = 2;

        gbc.weightx = 0.5;

        gbc.fill = GridBagConstraints.HORIZONTAL;

        gbc.insets = new Insets(0,5,0,5);

        ((GridBagLayout)getContentPane().getLayout()).setConstraints(divider1, gbc);

        getContentPane().add(divider1);

        label1 = new javax.swing.JLabel("Message to Send:");

        label1.setBounds(5,4,94,21);

        label1.setFont(new Font("SansSerif", Font.BOLD, 9));

        gbc = new GridBagConstraints();

        gbc.gridx = 1;

        gbc.gridy = 1;

        gbc.anchor = GridBagConstraints.WEST;

        gbc.fill = GridBagConstraints.NONE;

        gbc.insets = new Insets(0,5,0,0);

        ((GridBagLayout)getContentPane().getLayout()).setConstraints(label1, gbc);

        getContentPane().add(label1);

        sendButton = new javax.swing.JButton();

        sendButton.setText("Send Event");

        sendButton.setBounds(376,25,85,20);

        gbc = new GridBagConstraints();

        gbc.gridx = 2;

        gbc.gridy = 2;

        gbc.fill = GridBagConstraints.NONE;

        gbc.insets = new Insets(0,0,0,5);

        ((GridBagLayout)getContentPane().getLayout()).setConstraints(sendButton, gbc);

        getContentPane().add(sendButton);

        textField1 = new javax.swing.JTextField();

        textField1.setText("Hello there, other Java applicaion!");

        textField1.setBounds(10,25,361,21);

        textField1.setFont(new Font("SansSerif", Font.PLAIN, 9));

        textField1.setBackground(new Color(16777215));

        gbc = new GridBagConstraints();

        gbc.gridx = 1;

        gbc.gridy = 2;

        gbc.weightx = 0.5;

        gbc.anchor = GridBagConstraints.WEST;

        gbc.fill = GridBagConstraints.HORIZONTAL;

        gbc.insets = new Insets(0,10,5,5);

        ((GridBagLayout)getContentPane().getLayout()).setConstraints(textField1, gbc);

        getContentPane().add(textField1);

        panel1 = new javax.swing.JPanel();

        gridBagLayout = new GridBagLayout();

        panel1.setLayout(gridBagLayout);

        panel1.setBounds(0,53,466,21);

        gbc = new GridBagConstraints();

        gbc.gridx = 1;

        gbc.gridy = 5;

        gbc.gridwidth = 2;

        gbc.weightx = 0.5;

        gbc.anchor = GridBagConstraints.WEST;

        gbc.fill = GridBagConstraints.HORIZONTAL;

        gbc.insets = new Insets(0,0,0,0);

        ((GridBagLayout)getContentPane().getLayout()).setConstraints(panel1, gbc);

        getContentPane().add(panel1);

        statusLabel = new javax.swing.JLabel("Idle");

        statusLabel.setBounds(50,0,416,21);

        statusLabel.setFont(new Font("SansSerif", Font.PLAIN, 9));

        gbc = new GridBagConstraints();

        gbc.gridx = 2;

        gbc.gridy = 1;

        gbc.weightx = 0.5;

        gbc.anchor = GridBagConstraints.WEST;

        gbc.fill = GridBagConstraints.HORIZONTAL;

        gbc.insets = new Insets(0,0,0,0);

        ((GridBagLayout)panel1.getLayout()).setConstraints(statusLabel, gbc);

        panel1.add(statusLabel);

        label2 = new javax.swing.JLabel("Status:");

        label2.setBounds(5,0,40,21);

        label2.setFont(new Font("SansSerif", Font.BOLD, 9));

        gbc = new GridBagConstraints();

        gbc.gridx = 1;

        gbc.gridy = 1;

        gbc.anchor = GridBagConstraints.WEST;

        gbc.fill = GridBagConstraints.NONE;

        gbc.insets = new Insets(0,5,0,5);

        ((GridBagLayout)panel1.getLayout()).setConstraints(label2, gbc);

        panel1.add(label2);

        panel2 = new javax.swing.JPanel();

        gridBagLayout = new GridBagLayout();

        panel2.setLayout(gridBagLayout);

        panel2.setBounds(0,53,466,21);

        gbc = new GridBagConstraints();

        gbc.gridx = 1;

        gbc.gridy = 3;

        gbc.gridwidth = 2;

        gbc.weightx = 0.5;

        gbc.anchor = GridBagConstraints.WEST;

        gbc.fill = GridBagConstraints.HORIZONTAL;

        gbc.insets = new Insets(0,0,0,0);

        ((GridBagLayout)getContentPane().getLayout()).setConstraints(panel2, gbc);

        getContentPane().add(panel2);

        replyLabel = new javax.swing.JLabel("Idle");

        replyLabel.setBounds(50,0,416,21);

        replyLabel.setFont(new Font("SansSerif", Font.PLAIN, 9));

        gbc = new GridBagConstraints();

        gbc.gridx = 2;

        gbc.gridy = 1;

        gbc.weightx = 0.5;

        gbc.anchor = GridBagConstraints.WEST;

        gbc.fill = GridBagConstraints.HORIZONTAL;

        gbc.insets = new Insets(0,0,0,0);

        ((GridBagLayout)panel2.getLayout()).setConstraints(replyLabel, gbc);

        panel2.add(replyLabel);

        label4 = new javax.swing.JLabel("Reply:");

        label4.setBounds(5,0,40,21);

        label4.setFont(new Font("SansSerif", Font.BOLD, 9));

        gbc = new GridBagConstraints();

        gbc.gridx = 1;

        gbc.gridy = 1;

        gbc.anchor = GridBagConstraints.WEST;

        gbc.fill = GridBagConstraints.NONE;

        gbc.insets = new Insets(0,5,0,5);

        ((GridBagLayout)panel2.getLayout()).setConstraints(label4, gbc);

        panel2.add(label4);

        setTitle("AESend");

        //}}

        //{{INIT_MENUS

        //}}

        //{{REGISTER_LISTENERS

        SymWindow aSymWindow = new SymWindow();

        this.addWindowListener(aSymWindow);

        SymAction lSymAction = new SymAction();

        sendButton.addActionListener(lSymAction);

        textField1.addActionListener(lSymAction);

        //}}

        //Create a new timer to handle status messages.

        statusTimer = new Timer(kEraseSleep, new TimerCallback()

                {

                    public void timeIsUp()

                    {

                        isEraseStatus = false;

                        try

                        {

                            setStatus("Idle");

                        }

                        finally

                        {

                            isEraseStatus = true;

                        }

                    }

                });

        isEraseStatus = true;

        //Create a new timer to handle reply messages.

        replyTimer = new Timer(kEraseSleep, new TimerCallback()

                {

                    public void timeIsUp()

                    {

                        isEraseReply = false;

                        try

                        {

                            setReply("Idle");

                        }

                        finally

                        {

                            isEraseReply = true;

                        }

                    }

                });

        isEraseReply = true;

        //Create a new AESend object so we can send our event later.

        aeSend = new AESend();

        //Register a new instance of our ActionListener with the AEReceive object

        //so we get notified when an AppleEvent is received.

        aeSend.addActionListener(new Action());

    }

    /**

     * Shows or hides the component depending on the boolean flag b.

     * param b  if true, show the component; otherwise, hide the component.

     * see java.awt.Component#isVisible

     */

    public void setVisible(boolean b)

    {

        if(b)

        {

            setLocation(50, 50);

        }   

        super.setVisible(b);

    }

    /**

     * The entry point to our application

     */ 

    static public void main(String args[])

    {

        try {

        (new AESendFrame()).setVisible(true);

        } catch (NativeException e) {

            e.printStackTrace();

        }

    }

    //{{DECLARE_CONTROLS

    Divider divider1;

    javax.swing.JLabel label1;

    javax.swing.JButton sendButton;

    javax.swing.JTextField textField1;

    javax.swing.JPanel panel1;

    javax.swing.JLabel statusLabel;

    javax.swing.JLabel label2;

    javax.swing.JPanel panel2;

    javax.swing.JLabel replyLabel;

    javax.swing.JLabel label4;

    //}}

    //{{DECLARE_MENUS

    //}}

    /**

     * Set the text of the statusLabel

     * param the message to use.

     */

    protected void setStatus(String message)

    {

        statusLabel.setText(message);

        if (isEraseStatus)

            statusTimer.start();

    }

    /**

     * Set the text of the message replyLabel

     * param the message to use.

     */

    protected void setReply(String message)

    {

        replyLabel.setText(message);

        if (isEraseReply)

            replyTimer.start();

    }

    /**

     * A function to simulate a click on the target button.

     * This will make the button draw as if it had been pressed and

     * released, and the button will fire an Action event as if

     * the button were pressed.

     * For use with the Apple MRJ 2.1 EA3 and later.

     */

    protected void simulateClick(JButton target)

    {

        if (target != null)

        {

            KeyEvent keyEvent = new KeyEvent(target, KeyEvent.KEY_PRESSED, 

                                           System.currentTimeMillis(), 0, KeyEvent.VK_ENTER, 

                                           (char)KeyEvent.VK_ENTER);

            target.dispatchEvent(keyEvent);

        }

    }

    /**

     * An inner class designed to listen for ActionEvents

     * from the AESend class.

     */ 

    class Action implements ActionListener

    {

        public void actionPerformed(ActionEvent event)

        {

            setReply(event.getActionCommand());

        }

    }

    class SymWindow extends java.awt.event.WindowAdapter

    {

        public void windowClosing(java.awt.event.WindowEvent event)

        {

            Object object = event.getSource();

            if (object == AESendFrame.this)

                AESendFrame_WindowClosing(event);

        }

    }

    void AESendFrame_WindowClosing(java.awt.event.WindowEvent event)

    {

        setVisible(false);  // hide the AESendFrame

        dispose();          // free the system resources

        System.exit(0);     // close the application

    }

    class SymAction implements java.awt.event.ActionListener

    {

        public void actionPerformed(java.awt.event.ActionEvent event)

        {

            Object object = event.getSource();

            if (object == sendButton)

                sendButton_ActionPerformed(event);

            else if (object == textField1)

                textField1_EnterHit(event);

        }

    }

    void sendButton_ActionPerformed(java.awt.event.ActionEvent event)

    {

        String text = textField1.getText();

        if (text != null && !text.equals(""))

        {

            setStatus("Sending AppleEvent...");

            try

            {

                aeSend.sendAppleEvent(text);

            }

            catch (NativeException exc)

            {

                Toolkit.getDefaultToolkit().beep();

                setStatus(exc.getMessage() + " (#" + exc.getErrNum() + ")");

                return;

            }

            setStatus("AppleEvent Sent");

        }

    }

    void textField1_EnterHit(java.awt.event.ActionEvent event)

    {

        simulateClick(sendButton);

    }

    /**

     * The time in milliseconds to wait before removing the previous status message.

     */

    protected static final int kEraseSleep = 1250;

    /**

     * Our AESend object which allows us to send the AppleEvent

     */

    protected AESend aeSend;

    /**

     * An internal flag to prevent recursion in the status message handling code.

     */

    protected boolean isEraseStatus;

    /**

     * An internal flag to prevent recursion in the reply message handling code.

     */

    protected boolean isEraseReply;

    /**

     * A timer to keep track of displaying the status message.

     */

    protected Timer statusTimer;    

    /**

     * A timer to keep track of displaying the reply message.

     */

    protected Timer replyTimer; 

}