movieselectionui.java

来自「SUN公司发布的SmartTicket 2.0蓝图」· Java 代码 · 共 409 行 · 第 1/2 页

package com.sun.j2me.blueprints.smartticket.client.midp.ui;

import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
import java.io.IOException;
import java.util.Calendar;
import com.sun.j2me.blueprints.smartticket.client.midp.model.Preferences;
import com.sun.j2me.blueprints.smartticket.shared.midp.model.Theater;
import com.sun.j2me.blueprints.smartticket.shared.midp.model.TheaterSchedule;
import com.sun.j2me.blueprints.smartticket.shared.midp.model.Movie;

public class MovieSelectionUI extends Form implements CommandListener, 
        ItemStateListener, ItemCommandListener {
    private UIController uiController;
    private Preferences preferences;
    private ChoiceGroup theaterChoiceGroup;
    private int theaterChoiceGroupItemNum;
    private ChoiceGroup movieChoiceGroup;
    private int movieChoiceGroupItemNum;
    private ChoiceGroup dayChoiceGroup;
    private int dayChoiceGroupItemNum;
    private ChoiceGroup timeChoiceGroup;
    private int timeChoiceGroupItemNum;
    private StringItem selectSeatsItem;
    private Command selectSeatsCommand;
    private Command viewMovieInfoCommand;
    private Command saveTheaterScheduleCommand;
    private Theater[] theaters;
    private TheaterSchedule.MovieSchedule[] movieSchedules;
    private Movie[] movies;
    private int[][] showTimes;
    private int[] days;
    private int[][] times;

    public MovieSelectionUI(UIController uiController) {
        super(uiController.getString(UIMessageCodes.CHOOSE_MOVIE_TITLE));

        this.uiController = uiController;
        theaterChoiceGroup = new ChoiceGroup(null, Choice.POPUP);
        movieChoiceGroup = new ChoiceGroup(null, Choice.POPUP);
        dayChoiceGroup = 
            new ChoiceGroup(uiController.getString(UIMessageCodes.DAYS), 
                            Choice.POPUP);
        timeChoiceGroup = 
            new ChoiceGroup(uiController.getString(UIMessageCodes.SHOWTIMES), 
                            Choice.POPUP);
        selectSeatsItem = 
            new StringItem(null, 
                           uiController.getString(UIMessageCodes.SELECT_SEATS), 
                           Item.BUTTON);

        selectSeatsItem.setLayout(Item.LAYOUT_CENTER);
        setItemStateListener(this);

        selectSeatsCommand = 
            new Command(uiController.getString(UIMessageCodes.SELECT_SEATS), 
                        Command.SCREEN, 1);
        viewMovieInfoCommand = 
            new Command(uiController.getString(UIMessageCodes.MORE_MOVIE_INFO), 
                        Command.SCREEN, 3);
        saveTheaterScheduleCommand = 
            new Command(uiController.getString(UIMessageCodes.SAVE_THEATER_SCHEDULE), 
                        Command.SCREEN, 4);

        selectSeatsItem.setItemCommandListener(this);
        setCommandListener(this);
    }

    public void init(Preferences preferences) {
        this.preferences = preferences;

        deleteAll();
    } 

    public void setTheaters(Theater[] theaters, Theater[] localTheaters, 
                            long[] localTheatersExpirationDates, 
                            boolean online) {
        append(new StringItem(uiController.getString(UIMessageCodes.MOVIE_SCHEDULE_FOR), 
                              null));

        theaterChoiceGroupItemNum = append(theaterChoiceGroup);

        theaterChoiceGroup.deleteAll();
        theaterChoiceGroup.append(uiController.getString(UIMessageCodes.CHOOSE_A_THEATER), 
                                  null);

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

        for (int i = 0; i != theaters.length; i++) {
            image = 
                uiController.getImage(UIController.ICON_IDX_SCHEDULE_REMOTE);

            for (int j = 0; j < localTheaters.length; j++) {
                if (theaters[i].getPrimaryKey().equals(localTheaters[j].getPrimaryKey())) {
                    if (currentTimeMillis > localTheatersExpirationDates[j]) {
                        image = 
                            uiController.getImage(UIController.ICON_IDX_SCHEDULE_EXPIRED);
                    } else {
                        image = 
                            uiController.getImage(UIController.ICON_IDX_SCHEDULE_LOCAL);
                    } 

                    break;
                } 
            } 

            theaterChoiceGroup.append(theaters[i].getName() + ' ' + '[' 
                                      + theaters[i].getZipCode() + ']', 
                                      image);
        } 

        if (online) {
            theaterChoiceGroup.append(uiController.getString(UIMessageCodes.TRY_ANOTHER_ZIP_CODE), 
                                      null);
        } else {
            theaterChoiceGroup.append(uiController.getString(UIMessageCodes.MORE_THEATERS_ONLINE), 
                                      null);
        } 

        this.theaters = theaters;

        removeCommand(viewMovieInfoCommand);
        removeCommand(saveTheaterScheduleCommand);
        uiController.setCurrentItem(theaterChoiceGroup);
    } 

    public void setMovies(Movie[] movies) {
        append(new StringItem(uiController.getString(UIMessageCodes.MOVIES_FOR_THIS_WEEK), 
                              null));

        movieChoiceGroupItemNum = append(movieChoiceGroup);

        movieChoiceGroup.deleteAll();
        movieChoiceGroup.append(uiController.getString(UIMessageCodes.CHOOSE_A_MOVIE), 
                                null);

        for (int i = 0; i != movies.length; i++) {
            String rating = movies[i].getRating();
            Image image = null;

            if ("g".equals(rating)) {
                image = uiController.getImage(UIController.ICON_IDX_RATING_G);
            } else if ("pg".equals(rating)) {
                image = 
                    uiController.getImage(UIController.ICON_IDX_RATING_PG);
            } else if ("r".equals(rating)) {
                image = uiController.getImage(UIController.ICON_IDX_RATING_R);
            } 

            movieChoiceGroup.append(movies[i].getTitle(), image);
        } 

        this.movies = movies;

        removeCommand(viewMovieInfoCommand);
        uiController.setCurrentItem(movieChoiceGroup);
    } 

    public void setShowTimes(int[][] showTimes) {
        dayChoiceGroupItemNum = append(dayChoiceGroup);

        dayChoiceGroup.deleteAll();
        dayChoiceGroup.append(uiController.getString(UIMessageCodes.CHOOSE_A_DAY), 
                              null);

        boolean mondayShowingExists = false;
        boolean tuesdayShowingExists = false;
        boolean wednesdayShowingExists = false;
        boolean thursdayShowingExists = false;
        boolean fridayShowingExists = false;
        boolean saturdayShowingExists = false;
        boolean sundayShowingExists = false;

        for (int i = 0; i != showTimes.length; i++) {
            if (showTimes[i][0] == Calendar.MONDAY) {
                mondayShowingExists = true;
            } else if (showTimes[i][0] == Calendar.TUESDAY) {
                tuesdayShowingExists = true;
            } else if (showTimes[i][0] == Calendar.WEDNESDAY) {
                wednesdayShowingExists = true;
            } else if (showTimes[i][0] == Calendar.THURSDAY) {
                thursdayShowingExists = true;
            } else if (showTimes[i][0] == Calendar.FRIDAY) {
                fridayShowingExists = true;
            } else if (showTimes[i][0] == Calendar.SATURDAY) {
                saturdayShowingExists = true;
            } else if (showTimes[i][0] == Calendar.SUNDAY) {
                sundayShowingExists = true;
            } 
        } 

        days = new int[7];

        int numDays = 0;

        if (mondayShowingExists) {
            dayChoiceGroup.append(uiController.getString(UIMessageCodes.MONDAY), 
                                  null);

            days[numDays++] = Calendar.MONDAY;
        }