net.sf.jasperreports.components.headertoolbar.actions.HideUnhideColumnCommand Maven / Gradle / Ivy
/*
* 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.components.headertoolbar.actions;
import net.sf.jasperreports.components.table.StandardColumn;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.design.JRDesignExpression;
import net.sf.jasperreports.web.commands.Command;
/**
* @author Narcis Marcu ([email protected])
*/
public class HideUnhideColumnCommand implements Command {
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private String expressionText;
private String oldPrintWhenExpressionText;
private StandardColumn column;
private JRDesignExpression newPrintWhenExpression;
private static final String BOOLEAN_FALSE = "Boolean.FALSE";
private static final String BOOLEAN_TRUE = "Boolean.TRUE";
public HideUnhideColumnCommand(StandardColumn column, boolean hide) {
this.column = column;
if (hide) {
this.expressionText = BOOLEAN_FALSE;
} else {
this.expressionText = BOOLEAN_TRUE;
}
}
@Override
public void execute() {
if (column.getPrintWhenExpression() != null) {
oldPrintWhenExpressionText = column.getPrintWhenExpression().getText();
((JRDesignExpression)column.getPrintWhenExpression()).setText(expressionText);
} else {
newPrintWhenExpression = new JRDesignExpression();
newPrintWhenExpression.setText(expressionText);
column.setPrintWhenExpression(newPrintWhenExpression);
}
}
@Override
public void undo() {
if (oldPrintWhenExpressionText != null) {
((JRDesignExpression)column.getPrintWhenExpression()).setText(oldPrintWhenExpressionText);
} else {
column.setPrintWhenExpression(null);
}
}
@Override
public void redo() {
if (newPrintWhenExpression != null) {
column.setPrintWhenExpression(newPrintWhenExpression);
} else {
((JRDesignExpression)column.getPrintWhenExpression()).setText(expressionText);
}
}
}