/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.xml.containerpage;
import org.opencms.util.CmsCollectionsGenericWrapper;
import org.opencms.util.CmsUUID;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import org.apache.commons.collections.Transformer;
/**
* One container of a container page.<p>
*
* @since 8.0
*/
public class CmsContainerBean {
/** A lazy initialized map that describes if a certain element if part of this container. */
private transient Map<CmsUUID, Boolean> m_containsElement;
/** The id's of of all elements in this container. */
private transient List<CmsUUID> m_elementIds;
/** The container elements. */
private final List<CmsContainerElementBean> m_elements;
/** The maximal number of elements in the container. */
private int m_maxElements;
/** The container name. */
private final String m_name;
/** The container type. */
private final String m_type;
/** The container width set by the rendering container tag. */
private String m_width;
/**
* Creates a new container bean.<p>
*
* @param name the container name
* @param type the container type
* @param maxElements the maximal number of elements in the container
* @param elements the elements
**/
public CmsContainerBean(String name, String type, int maxElements, List<CmsContainerElementBean> elements) {
m_name = name;
m_type = type;
m_maxElements = maxElements;
m_elements = (elements == null
? Collections.<CmsContainerElementBean> emptyList()
: Collections.unmodifiableList(elements));
}
/**
* Creates a new container bean with an unlimited number of elements.<p>
*
* @param name the container name
* @param type the container type
* @param elements the elements
**/
public CmsContainerBean(String name, String type, List<CmsContainerElementBean> elements) {
this(name, type, -1, elements);
}
/**
* Returns <code>true</code> if the element with the provided id is contained in this container.<p>
*
* @param elementId the element id to check
*
* @return <code>true</code> if the element with the provided id is contained in this container
*/
public boolean containsElement(CmsUUID elementId) {
return getElementIds().contains(elementId);
}
/**
* Returns a lazy initialized map that describes if a certain element if part of this container.<p>
*
* @return a lazy initialized map that describes if a certain element if part of this container
*/
public Map<CmsUUID, Boolean> getContainsElement() {
if (m_containsElement == null) {
m_containsElement = CmsCollectionsGenericWrapper.createLazyMap(new Transformer() {
public Object transform(Object input) {
return Boolean.valueOf(containsElement((CmsUUID)input));
}
});
}
return m_containsElement;
}
/**
* Returns the id's of all elements in this container.<p>
*
* @return the id's of all elements in this container
*/
public List<CmsUUID> getElementIds() {
if (m_elementIds == null) {
m_elementIds = new ArrayList<CmsUUID>(m_elements.size());
for (CmsContainerElementBean element : m_elements) {
m_elementIds.add(element.getId());
}
}
return m_elementIds;
}
/**
* Returns the elements in this container.<p>
*
* @return the elements in this container
*/
public List<CmsContainerElementBean> getElements() {
return m_elements;
}
/**
* Returns the maximal number of elements in this container.<p>
*
* @return the maximal number of elements in this container
*/
public int getMaxElements() {
return m_maxElements;
}
/**
* Returns the name of this container.<p>
*
* @return the name of this container
*/
public String getName() {
return m_name;
}
/**
* Returns the type of this container.<p>
*
* @return the type of this container
*/
public String getType() {
return m_type;
}
/**
* Returns the container width set by the rendering container tag.<p>
*
* @return the container width
*/
public String getWidth() {
return m_width;
}
/**
* Sets the maximal number of elements in the container.<p>
*
* @param maxElements the maximal number of elements to set
*/
public void setMaxElements(int maxElements) {
m_maxElements = maxElements;
}
/**
* Sets the client side render with of this container.<p>
*
* @param width the client side render with of this container
*/
public void setWidth(String width) {
m_width = width;
}
}