erpsystem.chart.Charts.java Source code

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Here is the source code for erpsystem.chart.Charts.java

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/*
 * The MIT License
 *
 * Copyright 2015 Diego Geronimo D' Onofre.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package erpsystem.chart;

import erpsystem.db.chart.Chart001;
import java.awt.image.BufferedImage;
import java.util.Calendar;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.data.category.DefaultCategoryDataset;

/**
*
* @author Diego Geronimo Onofre
* @channel https://www.youtube.com/user/cursostd
* @facebook https://www.facebook.com/diegogeronimoonofre
* @Github https://github.com/DiegoGeronimoOnofre
*/

public class Charts {
    /**Gafico criado para mostrar 
    o faturamento considerando o 
    valor bruto das sadas das compras R$
    e valor bruto das entradas das vendas R$
    realizadas no perodo especificado
    Tambm  de responsabilidade do grfico
    monstrar graficamente o valor do lucro.
    */

    public static BufferedImage create001(int w, int h, Calendar initialCalendar, Calendar finalCalendar) {
        DefaultCategoryDataset ds = new DefaultCategoryDataset();
        String COMPRA = "Compra R$";
        String VENDA = "Venda R$";
        String LUCRO = "Lucro R$";

        long initialDate = initialCalendar.getTime().getTime();
        long finalDate = finalCalendar.getTime().getTime();

        //toString para depurao.
        String s1 = toString(initialCalendar);
        String s2 = toString(finalCalendar);

        double compra = erpsystem.db.chart.Chart001.getValorCompraEm(initialDate, finalDate);
        double venda = erpsystem.db.chart.Chart001.getValorVendaEm(initialDate, finalDate);
        double lucro = erpsystem.db.chart.Chart001.getValorLucroEm(initialDate, finalDate);

        ds.addValue(compra, COMPRA, COMPRA);
        ds.addValue(venda, VENDA, VENDA);
        ds.addValue(lucro, LUCRO, LUCRO);

        JFreeChart chart = ChartFactory.createBarChart3D("Faturamento", "Faturamento", "Valor R$", ds);

        return chart.createBufferedImage(w, h);
    }

    private static Calendar copyCalendar(Calendar calendar) {
        Calendar result = Calendar.getInstance();
        result.set(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH),
                calendar.get(Calendar.HOUR_OF_DAY), calendar.get(Calendar.MINUTE), calendar.get(Calendar.SECOND));
        return result;
    }

    private static Calendar getCurrentCalendar() {
        Calendar calendar = Calendar.getInstance();
        long ct = System.currentTimeMillis();
        calendar.setTimeInMillis(ct);
        return calendar;
    }

    private static String toString(Calendar calendar) {
        String result = "";
        int y = calendar.get(Calendar.YEAR);
        int m = calendar.get(Calendar.MONTH) + 1;
        int d = calendar.get(Calendar.DAY_OF_MONTH);
        int h = calendar.get(Calendar.HOUR_OF_DAY);
        int mm = calendar.get(Calendar.MINUTE);
        int s = calendar.get(Calendar.SECOND);
        result += d + "/" + m + "/" + y + ":" + h + "/" + mm + "/" + s;
        return result;
    }

    /** Grfico criado para mostrar o histrico de
     * faturamento periodicamente considerando o valor bruto
     * em R$ de lucro.
    */

    public static BufferedImage create002(int w, int h, Calendar initialCalendar, int interval) {
        //Inicio
        DefaultCategoryDataset ds = new DefaultCategoryDataset();
        String LUCRO = "Lucro R$";

        //Configurando os Calendars.
        Calendar finalCalendar = getCurrentCalendar();
        Calendar finalValue = copyCalendar(initialCalendar);
        Calendar initialValue = copyCalendar(initialCalendar);

        while (finalCalendar.after(finalValue)) {

            //ajustando os Calendars ponteiros.
            initialValue = copyCalendar(finalValue);
            finalValue.add(Calendar.DAY_OF_MONTH, interval);

            //toString para depurao.
            String s1 = toString(initialValue);
            String s2 = toString(finalValue);

            //Obtendo as datas como raw para 
            //possibilitar comparao com o banco de dados.
            long value1 = initialValue.getTimeInMillis();
            long value2 = finalValue.getTimeInMillis();

            //Obtendo a nova abstrao de lucro com os intervalos especificados.
            double lucro = Chart001.getValorLucroEm(value1, value2);
            double venda = Chart001.getValorVendaEm(value1, value2);
            double compra = Chart001.getValorCompraEm(value1, value2);

            //Adicionando a nova abstrao na coleo de dados do grfico.
            int y = initialValue.get(Calendar.YEAR);
            int m = initialValue.get(Calendar.MONTH) + 1;
            int d = initialValue.get(Calendar.DAY_OF_MONTH);
            String identifier = d + "/" + m + "/" + y;
            ds.addValue(lucro, "Lucro", identifier);
            ds.addValue(venda, "Venda", identifier);
            ds.addValue(compra, "Compra", identifier);

        }

        //Criando o grfico abstrato em 3D.
        JFreeChart chart = ChartFactory.createBarChart3D("Faturamento", "Faturamento", "Valor R$", ds,
                PlotOrientation.VERTICAL, true, true, false);

        //Criando e retornando a imagem como 
        //mapa de pixels do grfico.
        return chart.createBufferedImage(w, h);
    }
}