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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (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.ade.sitemap.shared;
import org.opencms.ade.detailpage.CmsDetailPageInfo;
import org.opencms.util.CmsUUID;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.google.common.collect.ArrayListMultimap;
/**
* A data structure for managing the detail page ordering for different types in a given sitemap.
*
* @since 8.0.0
*/
public class CmsDetailPageTable implements Cloneable, Serializable {
/** A type indicating the status of a page. */
public static enum Status {
/** default detail page. */
firstDetailPage, /** no detail page. */
noDetailPage, /** non-default detail page. */
otherDetailPage
}
/** ID for serialization. */
private static final long serialVersionUID = -4561142050519767250L;
/** The detail page info beans indexed by id. */
private Map m_infoById = new HashMap();
/** The detail page info beans, indexed by type. */
private ArrayListMultimap m_map = ArrayListMultimap.create();
/**
* Creates a detail page table from a list of detail page info bean.
*
* @param infos the detail page info beans
*/
public CmsDetailPageTable(List infos) {
for (CmsDetailPageInfo info : infos) {
m_map.put(info.getType(), info);
m_infoById.put(info.getId(), info);
}
}
/**
* Empty default constructor for serialization.
*/
protected CmsDetailPageTable() {
// for serialization
}
/**
* Adds a new detail page information bean to the detail page table.
*
* @param info the detail page info to add
*/
public void add(CmsDetailPageInfo info) {
m_map.put(info.getType(), info);
m_infoById.put(info.getId(), info);
}
/**
* Moves the detail page information for a given page to the front of the detail pages for the same type.
*
* @param id a page id
*
* @return the original position of the detail page entry in the list for the same type
*/
public int bump(CmsUUID id) {
CmsDetailPageInfo info = m_infoById.get(id);
if (info == null) {
throw new IllegalArgumentException();
}
String type = info.getType();
List infos = m_map.get(type);
int oldPos = infos.indexOf(info);
infos.remove(oldPos);
infos.add(0, info);
return oldPos;
}
/**
* Returns true if the detail page table contains a page with a given id.
*
* @param id the page id
* @return true if the detail page table contains the page with the given id
*/
public boolean contains(CmsUUID id) {
return m_infoById.containsKey(id);
}
/**
* Copies the detail page table.
*
* @return the copy of the detail page table
*/
public CmsDetailPageTable copy() {
List infos = toList();
CmsDetailPageTable result = new CmsDetailPageTable();
for (CmsDetailPageInfo info : infos) {
result.add(info);
}
return result;
}
/**
* Returns the detail page info for a given page id.
*
* @param id a page id
* @return the detail page info for the given page id
*/
public CmsDetailPageInfo get(CmsUUID id) {
return m_infoById.get(id);
}
/**
* Returns the page ids of all detail pages.
*
* @return the page ids of all detail pages
*/
public Collection getAllIds() {
return m_infoById.keySet();
}
/**
* Returns the detail page which is in front of the detail page list for the given type.
*
* @param type a resource type
* @return a detail page information bean
*/
public CmsDetailPageInfo getBestDetailPage(String type) {
List infos = m_map.get(type);
if ((infos == null) || infos.isEmpty()) {
return null;
}
return infos.get(0);
}
/**
* Returns a list which contains the best detail page for each type.
*
* @return the list of best detail pages for each type
*/
public List getBestDetailPages() {
List result = new ArrayList();
for (String key : m_map.keySet()) {
List vals = m_map.get(key);
if (!vals.isEmpty()) {
result.add(vals.get(0));
}
}
return result;
}
/**
* Returns the list of detail page info beans for a given type.
*
* @param type the type for which the detail page beans should be retrieved
*
* @return the detail page beans for that type
*/
public List getInfosForType(String type) {
return new ArrayList(m_map.get(type));
}
/**
* Returns the page status for the page with the given id.
*
* @param id the id for which the page status should be checked
*
* @return the status of the page with the given id
*/
public Status getStatus(CmsUUID id) {
CmsDetailPageInfo info = m_infoById.get(id);
if (info == null) {
return Status.noDetailPage;
}
String type = info.getType();
int index = m_map.get(type).indexOf(info);
if (index == 0) {
return Status.firstDetailPage;
}
return Status.otherDetailPage;
}
/**
* Returns true if the page with the given id is the default detail page for its type.
*
* @param id a page id
*
* @return true if the detail page for the page id is the default detail page
*/
public boolean isDefaultDetailPage(CmsUUID id) {
CmsDetailPageInfo info = m_infoById.get(id);
if (info == null) {
return false;
}
return m_map.get(info.getType()).get(0).getId().equals(id);
}
/**
* Changes the position of a detail page in the list of detail pages for its type.
*
* @param id the page id
* @param newPos the position which the page should be moved to
*
* @return the original position of the detail page
*/
public int move(CmsUUID id, int newPos) {
CmsDetailPageInfo info = m_infoById.get(id);
if (info == null) {
throw new IllegalArgumentException();
}
String type = info.getType();
List infos = m_map.get(type);
int oldPos = infos.indexOf(info);
infos.remove(oldPos);
infos.add(newPos, info);
return oldPos;
}
/**
* Removes the detail page with the given id.
*
* @param id the id of the detail page to remove
*
* @return the original position of the detail page in the list for its type
*/
public int remove(CmsUUID id) {
CmsDetailPageInfo info = m_infoById.get(id);
if (info == null) {
throw new IllegalArgumentException();
}
String type = info.getType();
List infos = m_map.get(type);
int pos = infos.indexOf(info);
infos.remove(pos);
m_infoById.remove(id);
return pos;
}
/**
* The number of configured detail pages.
*
* @return the number of detail pages
*/
public int size() {
return m_infoById.size();
}
/**
* Returns a flat list containing all detail pages for all types which preserves the order of detail pages from each type list.
*
* @return a list of all detail page info beans
*/
public List toList() {
List result = new ArrayList();
for (String key : m_map.keySet()) {
for (CmsDetailPageInfo info : m_map.get(key)) {
result.add(info);
}
}
return result;
}
}