net.sf.jasperreports.web.actions.SaveZoomCommand Maven / Gradle / Ivy
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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports 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.
*
* JasperReports 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 JasperReports. If not, see .
*/
package net.sf.jasperreports.web.actions;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.design.JasperDesign;
import net.sf.jasperreports.engine.export.type.ZoomTypeEnum;
import net.sf.jasperreports.web.commands.Command;
/**
* @author Narcis Marcu ([email protected])
*/
public class SaveZoomCommand implements Command {
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
public static final String PROPERTY_VIEWER_ZOOM = "net.sf.jasperreports.viewer.zoom";
private String zoomValue;
private String oldZoomValue;
private JasperDesign jasperDesign;
public SaveZoomCommand(JasperDesign jasperDesign, String zoomValue) {
this.zoomValue = zoomValue;
this.jasperDesign = jasperDesign;
}
@Override
public void execute() {
oldZoomValue = jasperDesign.getProperty(PROPERTY_VIEWER_ZOOM);
if (oldZoomValue == null) {
oldZoomValue = "1";
}
ZoomTypeEnum zoomType = ZoomTypeEnum.getByName(zoomValue);
if (zoomType != null) {
zoomValue = zoomType.getName();
}
jasperDesign.setProperty(PROPERTY_VIEWER_ZOOM, zoomValue);
}
@Override
public void undo() {
jasperDesign.setProperty(PROPERTY_VIEWER_ZOOM, oldZoomValue);
}
@Override
public void redo() {
jasperDesign.setProperty(PROPERTY_VIEWER_ZOOM, zoomValue);
}
}