ConditionalStyleReport

VirtualizerReport

Examples overview

TemplateStyleFileReport

ConditionalStyleReport

/**
 * DynamicReports - Free Java reporting library for creating reports dynamically
 *
 * Copyright (C) 2010 - 2015 Ricardo Mariaca
 * http://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 net.sf.dynamicreports.examples.style;

import static net.sf.dynamicreports.report.builder.DynamicReports.*;

import java.awt.Color;
import java.math.BigDecimal;
import java.util.Calendar;
import java.util.Date;

import net.sf.dynamicreports.examples.Templates;
import net.sf.dynamicreports.report.base.expression.AbstractSimpleExpression;
import net.sf.dynamicreports.report.builder.column.TextColumnBuilder;
import net.sf.dynamicreports.report.builder.style.ConditionalStyleBuilder;
import net.sf.dynamicreports.report.builder.style.StyleBuilder;
import net.sf.dynamicreports.report.datasource.DRDataSource;
import net.sf.dynamicreports.report.definition.ReportParameters;
import net.sf.dynamicreports.report.exception.DRException;
import net.sf.jasperreports.engine.JRDataSource;

/**
 * @author Ricardo Mariaca (r.mariaca@dynamicreports.org)
 */
public class ConditionalStyleReport {

        public ConditionalStyleReport() {
                build();
        }

        private void build() {
                TextColumnBuilder<String>     itemColumn      = col.column("Item",       "item",      type.stringType());
                TextColumnBuilder<Date>       orderDateColumn = col.column("Order date", "orderdate", type.dateType());
                TextColumnBuilder<Integer>    quantityColumn  = col.column("Quantity",   "quantity",  type.integerType());
                TextColumnBuilder<BigDecimal> unitPriceColumn = col.column("Unit price", "unitprice", type.bigDecimalType());

                ConditionalStyleBuilder condition1 = stl.conditionalStyle(new OrderDateConditionExpression())
        .setBackgroundColor(new Color(255, 210, 210));
                ConditionalStyleBuilder condition2 = stl.conditionalStyle(cnd.greater(unitPriceColumn, 20))
                        .setBackgroundColor(new Color(210, 255, 210));

                StyleBuilder orderDateStyle = stl.style()
        .conditionalStyles(condition1);
                orderDateColumn.setStyle(orderDateStyle);

                StyleBuilder unitPriceStyle = stl.style()
                .conditionalStyles(condition2);
                unitPriceColumn.setStyle(unitPriceStyle);

                try {
                        report()
                          .setTemplate(Templates.reportTemplate)
                          .columns(
                                itemColumn, orderDateColumn, quantityColumn, unitPriceColumn)
                          .title(Templates.createTitleComponent("ConditionalStyle"))
                          .pageFooter(Templates.footerComponent)
                          .setDataSource(createDataSource())
                          .show();
                } catch (DRException e) {
                        e.printStackTrace();
                }
        }

        private JRDataSource createDataSource() {
                DRDataSource dataSource = new DRDataSource("item", "orderdate", "quantity", "unitprice");
                dataSource.add("DVD", toDate(2010, 1, 1), 5, new BigDecimal(30));
                dataSource.add("DVD", toDate(2010, 1, 3), 1, new BigDecimal(28));
                dataSource.add("DVD", toDate(2010, 1, 19), 5, new BigDecimal(32));
                dataSource.add("Book", toDate(2010, 1, 5), 3, new BigDecimal(11));
                dataSource.add("Book", toDate(2010, 1, 11), 1, new BigDecimal(15));
                dataSource.add("Book", toDate(2010, 1, 15), 5, new BigDecimal(10));
                dataSource.add("Book", toDate(2010, 1, 20), 8, new BigDecimal(9));
                return dataSource;
        }

        private Date toDate(int year, int month, int day) {
                Calendar c = Calendar.getInstance();
                c.set(Calendar.YEAR, year);
                c.set(Calendar.MONTH, month - 1);
                c.set(Calendar.DAY_OF_MONTH, day);
                return c.getTime();
        }

        public static void main(String[] args) {
                new ConditionalStyleReport();
        }

        private class OrderDateConditionExpression extends AbstractSimpleExpression<Boolean> {
                private static final long serialVersionUID = 1L;

                @Override
                public Boolean evaluate(ReportParameters reportParameters) {
                        Date orderDate = reportParameters.getValue("orderdate");
                        Integer quantity = reportParameters.getValue("quantity");
                        return orderDate.after(toDate(2010, 1, 10)) && quantity > 1;
                }
        }
}