001: /*
002: The contents of this file are subject to the Common Public Attribution License
003: Version 1.0 (the "License"); you may not use this file except in compliance with
004: the License. You may obtain a copy of the License at
005: http://www.projity.com/license . The License is based on the Mozilla Public
006: License Version 1.1 but Sections 14 and 15 have been added to cover use of
007: software over a computer network and provide for limited attribution for the
008: Original Developer. In addition, Exhibit A has been modified to be consistent
009: with Exhibit B.
010:
011: Software distributed under the License is distributed on an "AS IS" basis,
012: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
013: specific language governing rights and limitations under the License. The
014: Original Code is OpenProj. The Original Developer is the Initial Developer and
015: is Projity, Inc. All portions of the code written by Projity are Copyright (c)
016: 2006, 2007. All Rights Reserved. Contributors Projity, Inc.
017:
018: Alternatively, the contents of this file may be used under the terms of the
019: Projity End-User License Agreeement (the Projity License), in which case the
020: provisions of the Projity License are applicable instead of those above. If you
021: wish to allow use of your version of this file only under the terms of the
022: Projity License and not to allow others to use your version of this file under
023: the CPAL, indicate your decision by deleting the provisions above and replace
024: them with the notice and other provisions required by the Projity License. If
025: you do not delete the provisions above, a recipient may use your version of this
026: file under either the CPAL or the Projity License.
027:
028: [NOTE: The text of this license may differ slightly from the text of the notices
029: in Exhibits A and B of the license at http://www.projity.com/license. You should
030: use the latest text at http://www.projity.com/license for your modifications.
031: You may not remove this license text from the source files.]
032:
033: Attribution Information: Attribution Copyright Notice: Copyright © 2006, 2007
034: Projity, Inc. Attribution Phrase (not exceeding 10 words): Powered by OpenProj,
035: an open source solution from Projity. Attribution URL: http://www.projity.com
036: Graphic Image as provided in the Covered Code as file: openproj_logo.png with
037: alternatives listed on http://www.projity.com/logo
038:
039: Display of Attribution Information is required in Larger Works which are defined
040: in the CPAL as a work which combines Covered Code or portions thereof with code
041: not governed by the terms of the CPAL. However, in addition to the other notice
042: obligations, all copies of the Covered Code in Executable and Source Code form
043: distributed must, as a form of attribution of the original author, include on
044: each user interface screen the "OpenProj" logo visible to all users. The
045: OpenProj logo should be located horizontally aligned with the menu bar and left
046: justified on the top left of the screen adjacent to the File menu. The logo
047: must be at least 100 x 25 pixels. When users click on the "OpenProj" logo it
048: must direct them back to http://www.projity.com.
049: */
050: package com.projity.pm.graphic.model.cache;
051:
052: import java.util.ArrayList;
053: import java.util.Collection;
054: import java.util.HashMap;
055: import java.util.HashSet;
056: import java.util.Iterator;
057: import java.util.ListIterator;
058: import java.util.Map;
059:
060: /**
061: *
062: */
063: public abstract class CellCache {
064: protected ArrayList cache;
065: protected ArrayList visibleElements;
066: protected Map baseIndex;
067:
068: /**
069: *
070: */
071: public CellCache() {
072: cache = new ArrayList();
073: visibleElements = new ArrayList();
074: baseIndex = new HashMap();
075: }
076:
077: /*public void sendEvents(){
078: for (Iterator i=visibleElements.iterator();i.hasNext();)
079: ((VisibleElements)i.next()).sendEvents();
080: }*/
081:
082: public Object getElement(Object base) {
083: if (base == null)
084: return null;
085: return baseIndex.get(base);
086: }
087:
088: public abstract Object getBase(Object base);
089:
090: public Object getCacheElementAt(int row) {
091: return cache.get(row);
092: }
093:
094: public int getCacheSize() {
095: return cache.size();
096: }
097:
098: public ListIterator getCacheIterator() {
099: return cache.listIterator();
100: }
101:
102: public ListIterator getCacheIterator(int i) {
103: return cache.listIterator(i);
104: }
105:
106: public ArrayList getVisibleElements() {
107: return visibleElements;
108: }
109:
110: public void addVisibleElements(VisibleElements elements) {
111: visibleElements.add(elements);
112: }
113:
114: public void removeVisibleElements(VisibleElements elements) {
115: visibleElements.remove(elements);
116: }
117:
118: public void removeAllVisibleElements() {
119: visibleElements.clear();
120: }
121:
122: //insert, delete
123: public void insertElement(Object element, Object base) {
124: cache.add(element);
125: baseIndex.put(base, element);
126: }
127:
128: public void registerElement(Object element, Object base) {
129: baseIndex.put(base, element);
130: }
131:
132: public void deleteElement(Object element) {
133: baseIndex.remove(getBase(element));
134: cache.remove(element);
135: }
136:
137: public void modifyBase(Object oldBase, Object newBase) {
138: Object element = baseIndex.remove(oldBase);
139: baseIndex.put(newBase, element);
140: }
141:
142: public void clear() {
143: cache.clear();
144: for (Iterator i = visibleElements.iterator(); i.hasNext();) {
145: ((VisibleElements) i.next()).clear();
146: }
147: baseIndex.clear();
148: }
149:
150: /**
151: * @return Returns the cache.
152: */
153: public ArrayList getCache() {
154: return cache;
155: }
156:
157: Map getBaseIndex() {
158: return baseIndex;
159: }
160:
161: void setBaseIndex(Map baseIndex) {
162: this .baseIndex = baseIndex;
163: }
164:
165: void setCache(ArrayList cache) {
166: this .cache = cache;
167: }
168:
169: void copyContent(CellCache c) {
170: setCache(c.getCache());
171: setBaseIndex(c.getBaseIndex());
172: }
173:
174: public static Collection getContainsCollection(Collection c) {
175: if (c == null || c.size() < 10)
176: return c;
177: HashSet set = new HashSet();
178: set.addAll(c);
179: return set;
180: }
181:
182: }
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