friendsui.java

来自「SUN公司发布的SmartTicket 2.0蓝图」· Java 代码 · 共 152 行

/*
 * Copyright 2001, 2002, 2003 Sun Microsystems, Inc. All Rights Reserved.
 * Except for any files in PNG format (which are marked with the filename
 * extension ".png"), GIF format (which are marked with the filename
 * extension ".gif"), or JPEG format (which are marked with the filename
 * extension ".jpg"), redistribution and use in source and binary forms,
 * with or without modification, are permitted provided that the
 * following conditions are met:
 * - Redistribution of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * - Redistribution in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * You may compile, use, perform and display the following files with
 * original Java Smart Ticket Sample Application code obtained from Sun
 * Microsystems, Inc. only:
 * - files in PNG format and having the ".png" extension
 * - files in GIF format and having the ".gif" extension
 * - files in JPEG format and having the ".jpg" extension
 * You may not modify or redistribute .png, .gif, or .jpg files in any
 * form, in whole or in part, by any means without prior written
 * authorization from Sun Microsystems, Inc. and its licensors, if any.
 * Neither the name of Sun Microsystems, Inc., the 'Java Smart Ticket
 * Sample Application', 'Java', 'Java'-based names, or the names of
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
 * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
 * MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
 * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
 * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
 * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
 * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
 * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
 * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
 * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 * You acknowledge that this software is not designed, licensed or
 * intended for use in the design, construction, operation or maintenance
 * of any nuclear facility.
 * $Id: FriendsUI.java,v 1.4 2003/06/18 23:24:17 ro89390 Exp $
 */
package com.sun.j2me.blueprints.smartticket.client.midp.ui;

import javax.microedition.lcdui.*;
import com.sun.j2me.blueprints.smartticket.client.midp.ui.UIController.EventIds;
import com.sun.j2me.blueprints.smartticket.shared.midp.model.RecommendationRecipient;

public class FriendsUI extends List implements CommandListener {
    private UIController uiController;
    private Command addCommand;
    private Command deleteCommand;
    private RecommendationRecipient[] recipients;

    public FriendsUI(UIController uiController) {
        super(uiController.getString(UIMessageCodes.MY_FRIENDS), IMPLICIT);

        this.uiController = uiController;
        addCommand = 
            new Command(uiController.getString(UIMessageCodes.ADD_FRIEND), 
                        Command.SCREEN, 1);

        addCommand(addCommand);

        deleteCommand = 
            new Command(uiController.getString(UIMessageCodes.DELETE_FRIEND), 
                        Command.ITEM, 1);

        addCommand(deleteCommand);
        setCommandListener(this);
    }

    public void init(RecommendationRecipient[] recipients) {
        deleteAll();

        for (int i = 0; i != recipients.length; i++) {
            append(recipients[i].getUserName() + "[" 
                   + recipients[i].getSMSCAddress() + "]", null);
        } 

        if (recipients.length > 0) {
            addCommand(deleteCommand);
        } else {
            removeCommand(deleteCommand);
        } 

        this.recipients = recipients;
    } 

    public void commandAction(Command command, Displayable displayable) {
        if (command == addCommand) {
            uiController.handleEvent(EventIds.EVENT_ID_FRIEND_ADD_SELECTED);
        } else if (command == deleteCommand) {
            uiController.handleEvent(EventIds.EVENT_ID_FRIEND_DELETE_REQUESTED, 
                                     new Object[] {
                recipients[getSelectedIndex()].getUserName()
            });
        } else {
            uiController.commandAction(command, displayable);
        } 
    } 

    public static class FriendAddUI extends Form implements CommandListener {
        private UIController uiController;
        private TextField friendField;
        private Command okCommand;
        private Command cancelCommand;

        public FriendAddUI(UIController uiController) {
            super(uiController.getString(UIMessageCodes.ADD_FRIEND));

            this.uiController = uiController;
            friendField = 
                new TextField(uiController.getString(UIMessageCodes.FRIEND_LOGIN), 
                              null, 30, TextField.ANY);

            append(friendField);

            okCommand = 
                new Command(uiController.getString(UIMessageCodes.ADD), 
                            Command.OK, 1);

            addCommand(okCommand);

            cancelCommand = 
                new Command(uiController.getString(UIMessageCodes.CANCEL), 
                            Command.CANCEL, 1);

            addCommand(cancelCommand);
            setCommandListener(this);
        }

        public void commandAction(Command command, Displayable displayable) {
            if (command == okCommand) {
                uiController.handleEvent(EventIds.EVENT_ID_FRIEND_ADD_REQUESTED, 
                                         new Object[] {
                    friendField.getString()
                });
            } else {    // (command == cancelCommand)
                uiController.handleEvent(EventIds.EVENT_ID_FRIEND_ADD_CANCELLED, 
                                         null);
            } 
        } 

    }

}