com.gcq.fivesecond.layer.AboutLayer.java Source code

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Here is the source code for com.gcq.fivesecond.layer.AboutLayer.java

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/*
 * -----------------------------------------------------------------------
 * Copyright 2012 - Alistair Rutherford - www.netthreads.co.uk
 * -----------------------------------------------------------------------
 * 
 * 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 com.gcq.fivesecond.layer;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Input.Keys;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.scenes.scene2d.ui.Image;
import com.badlogic.gdx.scenes.scene2d.ui.Label;
import com.badlogic.gdx.scenes.scene2d.ui.Skin;
import com.badlogic.gdx.scenes.scene2d.ui.Table;
import com.gcq.fivesecond.definition.AppEvents;
import com.gcq.fivesecond.definition.AppTextureDefinitions;
import com.gcq.fivesecond.game.FiveSecondGame;
import com.netthreads.libgdx.director.AppInjector;
import com.netthreads.libgdx.director.Director;
import com.netthreads.libgdx.scene.Layer;
import com.netthreads.libgdx.texture.TextureCache;
import com.netthreads.libgdx.texture.TextureDefinition;

/**
 * Scene layer.
 * 
 */
public class AboutLayer extends Layer {
    private static final String UI_FILE = "data/uiskin32.json";
    private static final String URL_LABEL_FONT = "default-font";

    private Table table;
    private TextureRegion logo;
    private Skin skin;
    private Label urlLabel;
    private Label versionLabel;

    /**
     * The one and only director.
     */
    private Director director;

    /**
     * Singletons.
     */
    private TextureCache textureCache;

    /**
     * About layer.
     * 
     * @param stage
     */
    public AboutLayer(float width, float height) {
        setWidth(width);
        setHeight(height);

        director = AppInjector.getInjector().getInstance(Director.class);

        textureCache = AppInjector.getInjector().getInstance(TextureCache.class);

        Gdx.input.setCatchBackKey(true);

        loadTextures();

        buildElements();

    }

    /**
     * Load view textures.
     * 
     */
    private void loadTextures() {
        skin = new Skin(Gdx.files.internal(UI_FILE));

        TextureDefinition definition = textureCache.getDefinition(AppTextureDefinitions.TEXTURE_LOGO);
        logo = textureCache.getTexture(definition);
    }

    /**
     * Build view elements.
     * 
     */
    private void buildElements() {
        // ---------------------------------------------------------------
        // Background.
        // ---------------------------------------------------------------
        Image image = new Image(logo);

        image.setWidth(getWidth());
        image.setHeight(getHeight());

        // ---------------------------------------------------------------
        // Labels
        // ---------------------------------------------------------------
        urlLabel = new Label("www.netthreads.co.uk", skin, URL_LABEL_FONT, Color.WHITE);

        versionLabel = new Label(FiveSecondGame.VERSION_TEXT, skin, URL_LABEL_FONT, Color.WHITE);

        // ---------------------------------------------------------------
        // Table
        // ---------------------------------------------------------------
        table = new Table();

        table.size((int) getWidth(), (int) getHeight());

        table.row();
        table.add(urlLabel).expandY().expandX();
        table.row();
        table.add(image);
        table.row();
        table.add(versionLabel).expandY().expandX();

        table.pack();

        table.setFillParent(true);

        addActor(table);
    }

    /**
     * Catch escape key.
     * 
     */
    @Override
    public boolean keyUp(int keycode) {
        boolean handled = false;

        if (keycode == Keys.BACK || keycode == Keys.ESCAPE) {
            director.sendEvent(AppEvents.EVENT_TRANSITION_TO_MENU_SCENE, this);

            handled = true;
        }

        return handled;
    }

}