savedtheaterschedulesui.java

来自「SUN公司发布的SmartTicket 2.0蓝图」· Java 代码 · 共 127 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: SavedTheaterSchedulesUI.java,v 1.6 2003/06/20 22:55:07 ro89390 Exp $
 */
package com.sun.j2me.blueprints.smartticket.client.midp.ui;

import javax.microedition.lcdui.*;
import java.io.IOException;
import com.sun.j2me.blueprints.smartticket.shared.midp.model.Theater;

public class SavedTheaterSchedulesUI extends List implements CommandListener {
    private UIController uiController;
    private Theater[] theaters;
    private Command downloadCommand;
    private Command deleteCommand;
    private ChoiceGroup theatersCG;

    public SavedTheaterSchedulesUI(UIController uiController) {
        super(uiController.getString(UIMessageCodes.MANAGE_THEATER_SCHEDULES), 
              List.IMPLICIT);

        this.uiController = uiController;
        downloadCommand = 
            new Command(uiController.getString(UIMessageCodes.REFRESH_SCHEDULE), 
                        Command.ITEM, 5);
        deleteCommand = 
            new Command(uiController.getString(UIMessageCodes.DELETE_SCHEDULE), 
                        Command.ITEM, 5);

        setCommandListener(this);
    }

    public void init(Theater[] theaters, long[] expirationDates) {
        this.theaters = theaters;

        deleteAll();

        long currentTimeMillis = System.currentTimeMillis();
        Image image = null;

        for (int i = 0; i != theaters.length; i++) {
            image = null;

            if (currentTimeMillis > expirationDates[i]) {
                image = 
                    uiController.getImage(UIController.ICON_IDX_SCHEDULE_EXPIRED);
            } else {
                image = 
                    uiController.getImage(UIController.ICON_IDX_SCHEDULE_LOCAL);
            } 

            append(theaters[i].getName(), image);
        } 

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

    public void commandAction(Command command, Displayable displayable) {
        if (command == downloadCommand) {
            Theater selectedTheater = theaters[getSelectedIndex()];

            uiController.handleEvent(UIController.EventIds.EVENT_ID_THEATER_SCHEDULE_REFRESH_REQUESTED, 
                                     new Object[] {
                selectedTheater
            });
        } else if (command == deleteCommand) {
            Theater selectedTheater = theaters[getSelectedIndex()];

            uiController.handleEvent(UIController.EventIds.EVENT_ID_THEATER_SCHEDULE_DELETE_REQUESTED, 
                                     new Object[] {
                selectedTheater
            });
        } else {
            uiController.commandAction(command, displayable);
        } 
    } 

}