writemessagescreen.java

These notes are only intended as a brief guide for building and running the example.

//
// Copyright 2002 Nokia Corporation.
//
// THIS SOURCE CODE IS PROVIDED 'AS IS', WITH NO WARRANTIES WHATSOEVER,
// EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY, FITNESS
// FOR ANY PARTICULAR PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE
// OR TRADE PRACTICE, RELATING TO THE SOURCE CODE OR ANY WARRANTY OTHERWISE
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// SUPPORT. FURTHERMORE, NOKIA MAKES NO WARRANTY THAT EXERCISE OF THE
// RIGHTS GRANTED HEREUNDER DOES NOT INFRINGE OR MAY NOT CAUSE INFRINGEMENT
// OF ANY PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OWNED OR CONTROLLED
// BY THIRD PARTIES
//
// Furthermore, information provided in this source code is preliminary,
// and may be changed substantially prior to final release. Nokia Corporation
// retains the right to make changes to this source code at any time,
// without notice. This source code is provided for informational
// purposes only.
//
//
// Nokia and Nokia Connecting People are registered trademarks of Nokia
// Corporation. Java and all Java-based marks are trademarks or registered
// trademarks of Sun Microsystems, Inc. Other product and company names
// mentioned herein may be trademarks or trade names of their respective owners.
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// granted to the Licensee to download, print, reproduce and modify the
// source code. The licensee has the right to market, sell, distribute and
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import javax.microedition.lcdui.*;
import javax.microedition.io.*;


class WriteMessageScreen
     extends TextBox
     implements CommandListener
{
    private final ChatMIDlet parent;
    private final Command sendCommand, backCommand;


    WriteMessageScreen(ChatMIDlet parent)
    {
        super("", "", 256, TextField.ANY);
        this.parent = parent;

        sendCommand = new Command("Send", Command.SCREEN, 1);
        backCommand = new Command("Back", Command.BACK, 2);
        addCommand(sendCommand);
        addCommand(backCommand);

        setCommandListener(this);
    }


    void setTitle(String[] peerNames)
    {
        StringBuffer peerNameBuffer = new StringBuffer("To ");

        for (int i = 0; i < peerNames.length; i++)
        {
            peerNameBuffer.append(peerNames[i]);
            peerNameBuffer.append((i != peerNames.length - 1) ? "," : "");
        }
        setTitle(peerNameBuffer.toString());
    }


    public void commandAction(Command c, Displayable d)
    {
        if (c == sendCommand)
        {
            parent.writeMessageScreenDone(getString());
        }
        else
        {
            // backCommand
            parent.writeMessageScreenBack();
        }
    }
}