net.sf.dynamicreports.design.transformation.expressions.BooleanImageExpression Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of dynamicreports-core Show documentation

DynamicReports is an open source Java reporting library based on JasperReports. It allows to create dynamic report designs and it doesn't need a visual report designer. You can very quickly create reports and produce documents that can be displayed, printed or exported into many popular formats such as PDF, Excel, Word and others.

There is a newer version: 6.20.1

Show newest version

/**
 * DynamicReports - Free Java reporting library for creating reports dynamically
 *
 * Copyright (C) 2010 - 2016 Ricardo Mariaca
 * 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 .
 */

package net.sf.dynamicreports.design.transformation.expressions;

import java.util.List;

import net.sf.dynamicreports.design.exception.DRDesignReportException;
import net.sf.dynamicreports.design.transformation.CustomBatikRenderer;
import net.sf.dynamicreports.report.ReportUtils;
import net.sf.dynamicreports.report.builder.expression.AbstractComplexExpression;
import net.sf.dynamicreports.report.constant.Constants;
import net.sf.dynamicreports.report.definition.ReportParameters;
import net.sf.dynamicreports.report.definition.component.DRIBooleanField;
import net.sf.dynamicreports.report.exception.DRException;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.renderers.Renderable;

/**
 * @author Ricardo Mariaca ([email protected])
 */
public class BooleanImageExpression extends AbstractComplexExpression {
	private static final long serialVersionUID = Constants.SERIAL_VERSION_UID;

	private Renderable imageTrue;
	private Renderable imageFalse;
	private boolean emptyWhenNullValue;

	public BooleanImageExpression(DRIBooleanField booleanField, boolean emptyWhenNullValue, int width, int height) throws DRException {
		this.emptyWhenNullValue = emptyWhenNullValue;
		addExpression(booleanField.getValueExpression());
		String fileNameTrue;
		String fileNameFalse;
		switch (booleanField.getComponentType()) {
		case IMAGE_STYLE_1:
			fileNameTrue = "boolean1_true";
			fileNameFalse = "boolean1_false";
			break;
		case IMAGE_STYLE_2:
			fileNameTrue = "boolean2_true";
			fileNameFalse = "boolean2_false";
			break;
		case IMAGE_STYLE_3:
			fileNameTrue = "boolean3_true";
			fileNameFalse = "boolean3_false";
			break;
		case IMAGE_STYLE_4:
			fileNameTrue = "boolean1_true";
			fileNameFalse = "boolean4_false";
			break;
		case IMAGE_CHECKBOX_1:
			fileNameTrue = "checkbox1_true";
			fileNameFalse = "checkbox_false";
			break;
		case IMAGE_CHECKBOX_2:
			fileNameTrue = "checkbox2_true";
			fileNameFalse = "checkbox_false";
			break;
		case IMAGE_BALL:
			fileNameTrue = "ball_green";
			fileNameFalse = "ball_red";
			break;
		default:
			throw new DRDesignReportException("BooleanComponentType " + booleanField.getComponentType().name() + " not supported");
		}
		try {
			imageTrue = new CustomBatikRenderer(ReportUtils.class.getResource("images/" + fileNameTrue + ".svg"), width, height);
			imageFalse = new CustomBatikRenderer(ReportUtils.class.getResource("images/" + fileNameFalse + ".svg"), width, height);
		} catch (JRException e) {
			throw new DRException(e);
		}
	}

	@Override
	public Renderable evaluate(List values, ReportParameters reportParameters) {
		Boolean value = (Boolean) values.get(0);
		if (emptyWhenNullValue && value == null) {
			return null;
		}
		if (value != null && value) {
			return imageTrue;
		} else {
			return imageFalse;
		}
	}
}