orderplacementui.java

来自「SUN公司发布的SmartTicket 2.0蓝图」· Java 代码 · 共 177 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: OrderPlacementUI.java,v 1.4 2003/06/18 18:24:19 ro89390 Exp $
 */
package com.sun.j2me.blueprints.smartticket.client.midp.ui;

import javax.microedition.lcdui.*;
import com.sun.j2me.blueprints.smartticket.shared.midp.model.SeatingPlan.Seat;

public class OrderPlacementUI extends Form implements CommandListener, 
        ItemCommandListener {
    private UIController uiController;
    private Command cancelCommand;
    private Command confirmCommand;
    private StringItem theaterItem;
    private StringItem movieItem;
    private StringItem showTimeItem;
    private StringItem seatsItem;
    private StringItem ticketCostItem;
    private StringItem totalCostItem;
    private StringItem placeOrderButton;

    public OrderPlacementUI(UIController uiController) {
        super(uiController.getString(UIMessageCodes.CONFIRM_TITLE));

        this.uiController = uiController;
        theaterItem = new StringItem(null, null);

        append(theaterItem);

        movieItem = new StringItem(null, null);

        append(movieItem);

        showTimeItem = new StringItem(null, null);

        append(showTimeItem);

        seatsItem = new StringItem(null, null);

        append(seatsItem);

        ticketCostItem = new StringItem(null, null);

        append(ticketCostItem);

        totalCostItem = new StringItem(null, null);

        append(totalCostItem);

        placeOrderButton = 
            new StringItem(null, 
                           uiController.getString(UIMessageCodes.PLACE_ORDER), 
                           Item.BUTTON);

        placeOrderButton.setLayout(Item.LAYOUT_CENTER);

        confirmCommand = 
            new Command(uiController.getString(UIMessageCodes.CONFIRM), 
                        Command.OK, 5);

        addCommand(confirmCommand);

        cancelCommand = 
            new Command(uiController.getString(UIMessageCodes.CANCEL), 
                        Command.CANCEL, 5);

        addCommand(cancelCommand);
        setCommandListener(this);
        placeOrderButton.setDefaultCommand(confirmCommand);
        placeOrderButton.setItemCommandListener(this);
    }

    public void init(String theaterName, String movieName, int[] showTime, 
                     Seat[] seats) {
        movieItem.setText(movieName);
        theaterItem.setText(theaterName);

        StringBuffer timeStringBuffer = new StringBuffer();

        timeStringBuffer.delete(0, timeStringBuffer.length());

        if (showTime[1] < 10) {
            timeStringBuffer.append('0');
        } 

        timeStringBuffer.append(showTime[1]);

        if (showTime[2] < 10) {
            timeStringBuffer.append('0');
        } 

        timeStringBuffer.append(showTime[2]);
        showTimeItem.setText(timeStringBuffer.toString());

        StringBuffer seatsStringBuffer = new StringBuffer();

        seatsStringBuffer.append(uiController.getString(UIMessageCodes.SEATS_COLON));
        seatsStringBuffer.append('\n');

        for (int i = 0; i < seats.length; i++) {
            seatsStringBuffer.append(" - ");
            seatsStringBuffer.append(uiController.getString(UIMessageCodes.ROW));
            seatsStringBuffer.append(' ');
            seatsStringBuffer.append(seats[i].getRowNumber());
            seatsStringBuffer.append(", ");
            seatsStringBuffer.append(uiController.getString(UIMessageCodes.SEAT));
            seatsStringBuffer.append(seats[i].getSeatNumber());
            seatsStringBuffer.append('\n');
        } 

        seatsItem.setText(seatsStringBuffer.toString());
        ticketCostItem.setText(seats.length + " " 
                               + uiController.getString(UIMessageCodes.TICKET_PRICE_MSG));
        totalCostItem.setText(uiController.getString(UIMessageCodes.TOTAL_COST) 
                              + (seats.length * UIUtilities.TICKET_PRICE) 
                              + uiController.getString(UIMessageCodes.HANDLING));
    } 

    public void commandAction(Command command, Item item) {
        if (command == confirmCommand) {
            uiController.handleEvent(UIController.EventIds.EVENT_ID_PURCHASE_REQUESTED);
        } 
    } 

    public void commandAction(Command command, Displayable displayable) {
        if (command == cancelCommand) {
            uiController.handleEvent(UIController.EventIds.EVENT_ID_ORDER_PLACEMENT_CANCELLED);
        } else if (command == confirmCommand) {
            uiController.handleEvent(UIController.EventIds.EVENT_ID_PURCHASE_REQUESTED);
        } 
    } 

}