client.Tetris.java Source code

Introduction

Here is the source code for client.Tetris.java

Source

/*
 * Copyright 2009 Casey Dwyer
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.EventPreview;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.KeyboardListener;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * Entry point classes define <code>onModuleLoad()</code>.
 */
public class Tetris implements EntryPoint, EventPreview {
    private Tilemap tilemap = new Tilemap(10, 20);

    public static void gameOverEx() {
        // Create the dialog box
        final DialogBox dialogBox = new DialogBox();
        final String gameOverText = "You just lost <a href='http://www.google.com/"
                + "search?q=lost+the+game'>The Game</a>";
        dialogBox.setHTML(gameOverText);
        dialogBox.setAnimationEnabled(true);
        HTML html = new HTML("<u>Controls</u><br/>" + "<b>Right Left Down</b>: move around<br/>"
                + "<b>Up</b>: rotate clockwise<br/>" + "<b>Space</b>: drop");
        Button button = new Button("New Game");
        VerticalPanel dialogVPanel = new VerticalPanel();
        dialogVPanel.setWidth("100%");
        dialogVPanel.setHorizontalAlignment(VerticalPanel.ALIGN_CENTER);
        dialogVPanel.add(html);
        dialogVPanel.add(button);

        button.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                dialogBox.hide();
                newGame();
            }
        });

        // Set the contents of the Widget
        dialogBox.setWidget(dialogVPanel);
        dialogBox.center();
        dialogBox.show();
    }

    public static void gameOver() {
        NewGameDialog dialog = new NewGameDialog();
        dialog.show();
    }

    public static void newGame() {
        Tilemap.clear();
        Tetromino.newTetro();
    }

    public boolean onEventPreview(Event event) {
        if (event.getTypeInt() == Event.ONKEYPRESS) {
            int keyCode = event.getKeyCode();
            if (keyCode == KeyboardListener.KEY_RIGHT) {
                Tetromino.moveRight();
            } else if (keyCode == KeyboardListener.KEY_LEFT) {
                Tetromino.moveLeft();
            } else if (keyCode == KeyboardListener.KEY_DOWN) {
                Tetromino.moveDown();
            } else if (keyCode == KeyboardListener.KEY_UP) {
                Tetromino.rotate();
            } else if (keyCode == KeyboardListener.KEY_END || keyCode == ' ') {
                Tetromino.moveDrop();
            } else if (keyCode == KeyboardListener.KEY_DELETE) {
                Tilemap.clear();
            }
        }
        return true;
    }

    public void onModuleLoad() {
        VerticalPanel vPanel = new VerticalPanel();
        vPanel.setWidth("100%");
        vPanel.setHorizontalAlignment(VerticalPanel.ALIGN_CENTER);
        vPanel.add(tilemap);
        vPanel.add(Score.getPanel());

        RootPanel.get().add(vPanel);
        DOM.addEventPreview(this);
        //Tetromino.newTetro();
        gameOver();
    }
}