001/* 002 * (C) Copyright 2006-2007 Nuxeo SAS (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * ${user} 016 * 017 * $$Id: SummaryImpl.java 28482 2008-01-04 15:33:39Z sfermigier $$ 018 */ 019package org.nuxeo.ecm.webapp.clipboard; 020 021import java.io.Serializable; 022import java.util.ArrayList; 023import java.util.Collections; 024import java.util.HashMap; 025import java.util.List; 026import java.util.Set; 027 028import org.nuxeo.ecm.core.api.IdRef; 029 030/** 031 * This class is an implementation of the interface Summary. It intends to build and display a summary, thanks to 032 * summary items in the HashMap. 033 * 034 * @author <a href="bchaffangeon@nuxeo.com">Brice Chaffangeon</a> 035 */ 036public class SummaryImpl extends HashMap<String, SummaryEntry> implements Summary, Serializable { 037 038 private static final long serialVersionUID = -7791997708511426604L; 039 040 public boolean hasChild(SummaryEntry parentEntry) { 041 Set<String> key = keySet(); 042 043 for (String pathRef : key) { 044 SummaryEntry summaryEntry = get(pathRef); 045 if (summaryEntry.getParent() != null && summaryEntry.getParent().equals(parentEntry)) { 046 return true; 047 } 048 } 049 return false; 050 } 051 052 public List<SummaryEntry> getChildren(SummaryEntry parentEntry) { 053 List<SummaryEntry> children = null; 054 Set<String> key = keySet(); 055 056 for (String pathRef : key) { 057 SummaryEntry summaryEntry = get(pathRef); 058 059 if (summaryEntry.getParent() != null && summaryEntry.getParent().equals(parentEntry)) { 060 if (children == null) { 061 children = new ArrayList<SummaryEntry>(); 062 } 063 children.add(get(pathRef)); 064 } 065 } 066 return children; 067 } 068 069 public String displayEntry(StringBuffer sb, SummaryEntry parentEntry) { 070 if (sb == null) { 071 sb = new StringBuffer(); 072 } 073 if (parentEntry != null) { 074 if (hasChild(parentEntry)) { 075 parentEntry.setBullet("+ "); 076 } 077 sb.append(parentEntry.toTreeString()); 078 List<SummaryEntry> childrens = getChildren(parentEntry); 079 if (childrens != null && !childrens.isEmpty()) { 080 for (SummaryEntry child : childrens) { 081 // Force the marker to increment the blank space for a child 082 child.setMarker(parentEntry.getMarker() + child.getMarker() + child.getMarker()); 083 displayEntry(sb, child); 084 } 085 } 086 } 087 return sb.toString(); 088 } 089 090 public String toFlatList() { 091 StringBuilder sb = new StringBuilder(); 092 List<SummaryEntry> entryList = new ArrayList<SummaryEntry>(); 093 Set<String> key = keySet(); 094 for (String docRef : key) { 095 entryList.add(get(docRef)); 096 } 097 Collections.sort(entryList); 098 099 for (SummaryEntry summaryEntry : entryList) { 100 sb.append(summaryEntry.toFlatString()); 101 } 102 return sb.toString(); 103 } 104 105 /** 106 * @return the hierarchical view by default. 107 */ 108 @Override 109 public String toString() { 110 return toTreeString(); 111 } 112 113 public String toTreeString() { 114 return displayEntry(null, getSummaryRoot()); 115 } 116 117 /** 118 * Gets the root SummaryEntry in the map, usually identified by a key in the map set to 0. 119 * 120 * @return the root SummaryEntry in the map 121 */ 122 public SummaryEntry getSummaryRoot() { 123 return get(new IdRef("0").toString()); 124 } 125 126}