/*
 * DynamicReports - Free Java reporting library for creating reports dynamically
 *
 * Copyright (C) 2010 - 2018 Ricardo Mariaca and the Dynamic Reports Contributors
 * http://www.dynamicreports.org
 *
 * This file is part of DynamicReports.
 *
 * DynamicReports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * DynamicReports 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with DynamicReports. If not, see <http://www.gnu.org/licenses/>.
 */
package cn.myapps.report.examples.crosstab;

import cn.myapps.report.examples.Templates;
import net.sf.dynamicreports.report.builder.FieldBuilder;
import net.sf.dynamicreports.report.builder.crosstab.CrosstabBuilder;
import net.sf.dynamicreports.report.builder.crosstab.CrosstabColumnGroupBuilder;
import net.sf.dynamicreports.report.builder.crosstab.CrosstabRowGroupBuilder;
import net.sf.dynamicreports.report.constant.Calculation;
import net.sf.dynamicreports.report.constant.CrosstabPercentageType;
import net.sf.dynamicreports.report.constant.PageOrientation;
import net.sf.dynamicreports.report.constant.PageType;
import net.sf.dynamicreports.report.datasource.DRDataSource;
import net.sf.dynamicreports.report.exception.DRException;
import net.sf.jasperreports.engine.JRDataSource;

import java.math.BigDecimal;

import static net.sf.dynamicreports.report.builder.DynamicReports.cmp;
import static net.sf.dynamicreports.report.builder.DynamicReports.ctab;
import static net.sf.dynamicreports.report.builder.DynamicReports.field;
import static net.sf.dynamicreports.report.builder.DynamicReports.report;

/**
 * <p>PercentageCrosstabReport class.</p>
 *
 * @author Ricardo Mariaca (r.mariaca@dynamicreports.org)
 * @version $Id: $Id
 */
public class PercentageCrosstabReport {

    /**
     * <p>Constructor for PercentageCrosstabReport.</p>
     */
    public PercentageCrosstabReport() {
        build();
    }

    /**
     * <p>main.</p>
     *
     * @param args an array of {@link java.lang.String} objects.
     */
    public static void main(String[] args) {
        new PercentageCrosstabReport();
    }

    private void build() {
        CrosstabRowGroupBuilder<String> rowGroup = ctab.rowGroup("state", String.class).setTotalHeader("Total for state");

        CrosstabColumnGroupBuilder<String> columnGroup = ctab.columnGroup("item", String.class);

        FieldBuilder<BigDecimal> unitPriceField = field("unitprice", BigDecimal.class);

        CrosstabBuilder crosstab = ctab.crosstab()
                                       .headerCell(cmp.text("State / Item").setStyle(Templates.boldCenteredStyle))
                                       .rowGroups(rowGroup)
                                       .columnGroups(columnGroup)
                                       .measures(ctab.measure("Unit price", unitPriceField, Calculation.SUM),
                                                 ctab.measure("%", unitPriceField, Calculation.SUM).setPercentageType(CrosstabPercentageType.GRAND_TOTAL));

        try {
            report().setPageFormat(PageType.A4, PageOrientation.LANDSCAPE)
                    .setTemplate(Templates.reportTemplate)
                    .title(Templates.createTitleComponent("PercentageCrosstab"))
                    .summary(crosstab)
                    .pageFooter(Templates.footerComponent)
                    .setDataSource(createDataSource())
                    .show();
        } catch (DRException e) {
            e.printStackTrace();
        }
    }

    private JRDataSource createDataSource() {
        DRDataSource dataSource = new DRDataSource("state", "item", "unitprice");
        dataSource.add("New York", "Notebook", new BigDecimal(500));
        dataSource.add("New York", "DVD", new BigDecimal(30));
        dataSource.add("New York", "DVD", new BigDecimal(45.6));
        dataSource.add("New York", "DVD", new BigDecimal(36));
        dataSource.add("New York", "DVD", new BigDecimal(41));
        dataSource.add("New York", "Book", new BigDecimal(11));
        dataSource.add("New York", "Book", new BigDecimal(9));
        dataSource.add("New York", "Book", new BigDecimal(14.8));

        dataSource.add("Washington", "Notebook", new BigDecimal(610));
        dataSource.add("Washington", "DVD", new BigDecimal(40));
        dataSource.add("Washington", "DVD", new BigDecimal(35));
        dataSource.add("Washington", "DVD", new BigDecimal(46.4));
        dataSource.add("Washington", "DVD", new BigDecimal(42));
        dataSource.add("Washington", "Book", new BigDecimal(12));
        dataSource.add("Washington", "Book", new BigDecimal(8));
        dataSource.add("Washington", "Book", new BigDecimal(14));
        dataSource.add("Washington", "Book", new BigDecimal(10));

        dataSource.add("Florida", "Notebook", new BigDecimal(460.7));
        dataSource.add("Florida", "DVD", new BigDecimal(49));
        dataSource.add("Florida", "DVD", new BigDecimal(32));
        dataSource.add("Florida", "DVD", new BigDecimal(47));
        dataSource.add("Florida", "Book", new BigDecimal(11));
        dataSource.add("Florida", "Book", new BigDecimal(6.1));
        dataSource.add("Florida", "Book", new BigDecimal(16));
        dataSource.add("Florida", "Book", new BigDecimal(18));
        return dataSource;
    }
}
