com.jmolina.orb.widgets.ui.ProgressBar.java Source code

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Here is the source code for com.jmolina.orb.widgets.ui.ProgressBar.java

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/*
 * IMPULSE ORB
 * Copyright (C) 2016 Juan M. Molina
 *
 * This file is part of the IMPULSE ORB source code.
 *
 * IMPULSE ORB is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * IMPULSE ORB is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.jmolina.orb.widgets.ui;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.BitmapFont;
import com.badlogic.gdx.scenes.scene2d.ui.Image;
import com.badlogic.gdx.scenes.scene2d.ui.Label;
import com.badlogic.gdx.utils.Align;
import com.jmolina.orb.managers.AssetManager;
import com.jmolina.orb.var.Asset;
import com.jmolina.orb.var.Atlas;
import com.jmolina.orb.var.Font;
import com.jmolina.orb.var.Utils;
import com.jmolina.orb.var.Var;
import com.jmolina.orb.widgets.BaseGroup;

/**
 * Barra de progreso
 */
public class ProgressBar extends BaseGroup {

    /** Imagen de base y de relleno */
    private Image base, fill;

    /** Texto de porcentaje */
    private Label label;

    /**
     * Constructor
     *
     * @param am AssetManager
     */
    public ProgressBar(AssetManager am) {
        super(am);

        Label.LabelStyle style = new Label.LabelStyle();
        style.fontColor = new Color(Var.COLOR_BLACK);
        style.font = new BitmapFont(Gdx.files.internal(Font.FONT_ROBOTO_REGULAR_30),
                findRegion(Atlas.FONT_ROBOTO_REGULAR_30));

        base = new Image(getAsset(Asset.UI_PROGRESS_BASE, Texture.class));
        base.setPosition(Utils.cell(0), Utils.cell(0));
        base.setSize(Utils.cell(8), Utils.cell(1));

        fill = new Image(getAsset(Asset.UI_PROGRESS_FILL, Texture.class));
        fill.setPosition(Utils.cell(0.125f), Utils.cell(0.125f));
        fill.setSize(Utils.cell(0), Utils.cell(0.75f));

        label = new Label("0%", style);
        label.setPosition(Utils.cell(0), Utils.cell(0));
        label.setSize(Utils.cell(8), Utils.cell(1));
        label.setAlignment(Align.center);

        addActor(base);
        addActor(fill);
        addActor(label);

        setHeight(Utils.cell(1));
    }

    /**
     * Actualiza el progreso de la barra
     *
     * @param progress Progreso en el rango [0,1]
     */
    public void updateProgress(float progress) {
        this.label.setText(Math.round(100 * progress) + "%");
        this.fill.setWidth(Utils.cell(7.75f) * progress);
    }

}