peerscreen.java

J2ME MIDP_Example_Applications

//
// 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
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// 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.
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// 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.*;


class PeerScreen
     extends Form
     implements CommandListener
{
    private final ChatMIDlet parent;
    private final TextField nameField;
    private final TextField phoneNumberField;
    private final Command okCommand, backCommand;


    PeerScreen(ChatMIDlet parent)
    {
        super("");
        this.parent = parent;

        nameField = new TextField(" Name: ", null, 5, TextField.ANY);
        phoneNumberField = new TextField(" Phone:",
            null,
            20,
            TextField.PHONENUMBER);
        append(nameField);
        append(phoneNumberField);

        okCommand = new Command("OK", Command.OK, 1);
        backCommand = new Command("Back", Command.BACK, 2);
        addCommand(okCommand);
        addCommand(backCommand);
        setCommandListener(this);
    }


    void init(String name, String phoneNumber)
    {
        nameField.setString(name);
        phoneNumberField.setString(phoneNumber);
        setTitle((name != null) ? "Edit Peer" : "Add New Peer");
    }


    public void commandAction(Command c, Displayable d)
    {
        if (c == okCommand)
        {
            String name = nameField.getString();
            String phoneNumber = phoneNumberField.getString();

            if (name.length() > 0 && phoneNumber.length() > 0)
            {
                parent.peerScreenDone(name, phoneNumber);
            }
            else
            {
                ErrorScreen.showError("Name or Address is invalid!");
            }
        }
        else
        {
            // backCommand
            parent.peerScreenBack();
        }
    }
}