titlepanel.java

DOJA平台赛车游戏

/*
 * @(#)TitlePanel.java    1.0 04/07/01 @(#)
 *
 * Copyright 2004 NTT DoCoMo, Inc. All rights reserved.
 */
import com.nttdocomo.ui.Component;
import com.nttdocomo.ui.ComponentListener;
import com.nttdocomo.ui.Dialog;
import com.nttdocomo.ui.HTMLLayout;
import com.nttdocomo.ui.IApplication;
import com.nttdocomo.ui.ImageButton;
import com.nttdocomo.ui.ImageLabel;
import com.nttdocomo.ui.Label;
import com.nttdocomo.ui.Panel;
import com.nttdocomo.ui.SoftKeyListener;

/** 
 * TitlePanel<BR>
 * The definition class of the title screen.
 * <p>
 * @version 1.0
 * </p>
 */
public class TitlePanel extends Panel
                        implements ComponentListener,
                                   SoftKeyListener {
    /** Hi-Score */
    private Label highScore = new Label();
    /** Title */
    private ImageLabel title = new ImageLabel();
    /** Start button */
    private ImageButton startButton = new ImageButton();

    /** Parent */
    private CarRace parent = null;
    /** Score */
    private Score score = null;

    /**
     * Constructor.
     * @param _parent Parent object
     * @param _score Score object
     */
    public TitlePanel(CarRace _parent, Score _score) {
        super();
        this.parent = _parent;
        this.score = _score;

        /* Setting Layout manager */
        HTMLLayout lm = new HTMLLayout();
        setLayoutManager(lm);

        /* Setting background color of the panel */
        setBackground(Color.BLACK);

        /* Setting soft key 1 label */
        setSoftLabel(SOFT_KEY_1, "End");

        /* Setting soft key 2 label */
        setSoftLabel(SOFT_KEY_2, "Rank");

        /* Hi-Score */
        refresh();

        /* Setting title picture */
        title.setImage(MediaCollection.getImage(MediaCollection.IMG_TITLE));
        title.setBackground(Color.BLACK);

        /* Setting start button */
        startButton.setImage(MediaCollection.getImage(MediaCollection.IMG_START));
        startButton.setBackground(Color.BLACK);

        /* Arrangement */
        lm.begin(HTMLLayout.CENTER);
        lm.br();
        lm.br();
        add(highScore);
        lm.br();
        lm.br();
        lm.br();
        lm.br();
        add(title);
        lm.br();
        lm.br();
        lm.br();
        lm.br();
        lm.br();
        lm.br();
        add(startButton);
        lm.end();

        /*
         * Component Listener
         */
        setComponentListener(this);

        /*
         * SoftKey Listener
         */
        setSoftKeyListener(this);
    }

    /**
     * Sets Hi-Score on the title screen.
     */
    public void refresh() {
        highScore.setText("HI SCORE " + score.getHighScore());
        highScore.setForeground(Color.WHITE);
        highScore.setBackground(Color.BLACK);
    }

    /**
     * Receives events from componet.
     * <br>
     * @param _comp Component
     * @param _type Event type
     * @param _param Parameter
     */
    public void componentAction(Component _comp, int _type, int _param) {
        /*
         * Specifying the component which generated the event.
         */
        if (_comp.equals(startButton)) {
            /*
             * Event type
             */
            if (_type == BUTTON_PRESSED) {
                parent.play();
            }
        }
    }

    /**
     * Called when a soft key is pushed
     * @param _key The pressed key
     */
    public void softKeyPressed(int _key) {
    }

    /**
     * Called when a soft key is detached
     * <br>
     * @param _key The detached key
     */
    public void softKeyReleased(int _key) {
        if (SOFT_KEY_1 == _key) {
            Dialog dialog = new Dialog(Dialog.DIALOG_YESNO, "Check");
            dialog.setText("Are you sure you want to end the Application?\n\n");
            int ans = dialog.show();
            if (Dialog.BUTTON_YES == ans) {
                MediaCollection.dispose();
                IApplication.getCurrentApp().terminate();
            }
        } else if (SOFT_KEY_2 == _key) {
            parent.showRanking();
        }
    }
}