net.sf.jasperreports.engine.analytics.dataset.DesignDataLevelBucket Maven / Gradle / Ivy
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/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2022 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.engine.analytics.dataset;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.design.events.JRChangeEventsSupport;
import net.sf.jasperreports.engine.design.events.JRPropertyChangeSupport;
/**
* @author Lucian Chirita ([email protected])
*/
public class DesignDataLevelBucket extends BaseDataLevelBucket implements JRChangeEventsSupport
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
public static final String PROPERTY_COMPARATOR_EXPRESSION = "comparatorExpression";
public static final String PROPERTY_EXPRESSION = "expression";
public static final String PROPERTY_LABEL_EXPRESSION = "labelExpression";
public static final String PROPERTY_ORDER = "order";
public static final String PROPERTY_VALUE_CLASS = "valueClassName";
public static final String PROPERTY_BUCKET_PROPERTIES = "bucketProperties";
/**
* Creates a bucket.
*/
public DesignDataLevelBucket()
{
super();
}
/**
* Sets the comparator expression.
*
* The expressions's type should be compatible with {@link java.util.Comparator java.util.Comparator}.
*
* @param comparatorExpression the comparator expression
* @see DataLevelBucket#getComparatorExpression()
*/
public void setComparatorExpression(JRExpression comparatorExpression)
{
Object old = this.comparatorExpression;
this.comparatorExpression = comparatorExpression;
getEventSupport().firePropertyChange(PROPERTY_COMPARATOR_EXPRESSION, old, this.comparatorExpression);
}
/**
* Sets the grouping expression.
*
* @param expression the grouping expression
* @see DataLevelBucket#getExpression()
*/
public void setExpression(JRExpression expression)
{
Object old = this.expression;
this.expression = expression;
getEventSupport().firePropertyChange(PROPERTY_EXPRESSION, old, this.expression);
}
/**
* Sets the label expression.
*
* @param expression the label expression
* @see DataLevelBucket#getLabelExpression()
*/
public void setLabelExpression(JRExpression expression)
{
Object old = this.labelExpression;
this.labelExpression = expression;
getEventSupport().firePropertyChange(PROPERTY_LABEL_EXPRESSION, old, this.labelExpression);
}
/**
* Sets the sorting type.
*
* @param order one of
*
* - {@link BucketOrder#ASCENDING BucketOrder.ASCENDING}
* - {@link BucketOrder#DESCENDING BucketOrder.DESCENDING}
* - {@link BucketOrder#NONE BucketOrder.NONE}
*
* @see DataLevelBucket#getOrder()
*/
public void setOrder(BucketOrder order)
{
Object old = this.order;
this.order = order;
getEventSupport().firePropertyChange(PROPERTY_ORDER, old, this.order);
}
/**
* Sets the bucket value class name.
*
* @param valueClassName the bucket value class name
* @see DataLevelBucket#getValueClassName()
*/
public void setValueClassName(String valueClassName)
{
String old = this.valueClassName;
this.valueClassName = valueClassName;
this.valueClass = null;
this.valueClassRealName = null;
getEventSupport().firePropertyChange(PROPERTY_VALUE_CLASS, old,
this.valueClassName);
}
public void addBucketProperty(DataLevelBucketProperty property)
{
bucketProperties.add(property);
getEventSupport().fireCollectionElementAddedEvent(PROPERTY_BUCKET_PROPERTIES, property, bucketProperties.size() - 1);
}
public void removeBucketProperty(DataLevelBucketProperty property)
{
int idx = bucketProperties.indexOf(property);
if (idx >= 0)
{
bucketProperties.remove(idx);
getEventSupport().fireCollectionElementRemovedEvent(PROPERTY_BUCKET_PROPERTIES, bucketProperties, idx);
}
}
@Override
public Object clone()
{
DesignDataLevelBucket clone = (DesignDataLevelBucket) super.clone();
clone.eventSupport = null;
return clone;
}
private transient JRPropertyChangeSupport eventSupport;
@Override
public JRPropertyChangeSupport getEventSupport()
{
synchronized (this)
{
if (eventSupport == null)
{
eventSupport = new JRPropertyChangeSupport(this);
}
}
return eventSupport;
}
}