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.timescale;
051:
052: import java.util.Iterator;
053: import java.util.LinkedList;
054: import java.util.List;
055:
056: import org.apache.commons.digester.Digester;
057:
058: import com.projity.configuration.Configuration;
059:
060: /**
061: *
062: */
063: public class TimeScaleManager {
064:
065: protected int currentScaleIndex = -1;
066: protected List scales;
067: protected int defaultIndex;
068: protected boolean normalWidth;
069:
070: /**
071: *
072: */
073: public TimeScaleManager() {
074: scales = new LinkedList();
075: normalWidth = true;
076: }
077:
078: public void addTimeScale(TimeScale scale) {
079: scales.add(scale);
080: }
081:
082: /**
083: * @return Returns the scale.
084: */
085: public TimeScale getScale() {
086: return (TimeScale) scales.get(getCurrentScaleIndex());
087: }
088:
089: /**
090: * @return Returns the defaultScaleIndex.
091: */
092: public int getDefaultIndex() {
093: return defaultIndex;
094: }
095:
096: /**
097: * @param defaultScaleIndex The defaultScaleIndex to set.
098: */
099: public void setDefaultIndex(int defaultIndex) {
100: this .defaultIndex = defaultIndex;
101: }
102:
103: /**
104: * @return Returns the currentScaleIndex.
105: */
106: public int getCurrentScaleIndex() {
107: if (currentScaleIndex == -1)
108: currentScaleIndex = defaultIndex;
109: return currentScaleIndex;
110: }
111:
112: public boolean toggleMinWidth(boolean normal) {
113: if (normal != normalWidth) {
114: normalWidth = normal;
115: for (Iterator i = scales.iterator(); i.hasNext();) {
116: TimeScale scale = (TimeScale) i.next();
117: scale.toggleWidth(normal);
118: }
119: return true;
120: } else
121: return false;
122: }
123:
124: public boolean isShowWholeDays() {
125: return getCurrentScaleIndex() <= 1;
126: }
127:
128: public boolean canZoomIn() {
129: return getCurrentScaleIndex() > 0;
130: }
131:
132: public boolean canZoomOut() {
133: return getCurrentScaleIndex() < scales.size() - 1;
134: }
135:
136: public boolean zoomIn() {
137: if (getCurrentScaleIndex() > 0) {
138: currentScaleIndex--;
139: return true;
140: //fireTimeScaleChanged(this);
141: } else
142: return false;
143: }
144:
145: public boolean zoomOut() {
146: if (getCurrentScaleIndex() < scales.size() - 1) {
147: currentScaleIndex++;
148: return true;
149: //fireTimeScaleChanged(this);
150: } else
151: return false;
152: }
153:
154: public boolean zoomReset() {
155: if (currentScaleIndex != defaultIndex) {
156: currentScaleIndex = defaultIndex;
157: return true;
158: //fireTimeScaleChanged(this);
159: } else
160: return false;
161: }
162:
163: /*public static TimeScaleManager getInstance(){
164: return Configuration.getInstance().getTimeScales();
165: }*/
166: public static TimeScaleManager createInstance() {
167: TimeScaleManager tsManager = new TimeScaleManager();
168: TimeScaleManager ref = Configuration.getInstance()
169: .getTimeScales();
170: tsManager.defaultIndex = ref.defaultIndex;
171: tsManager.currentScaleIndex = ref.currentScaleIndex;
172: for (Iterator i = ref.scales.iterator(); i.hasNext();) {
173: tsManager.scales.add(((TimeScale) i.next()).clone());
174: }
175: return tsManager;
176: }
177:
178: public static void addDigesterEvents(Digester digester) {
179: digester.addObjectCreate("*/timescales",
180: "com.projity.timescale.TimeScaleManager");
181: digester.addSetProperties("*/timescales");
182: digester.addSetNext("*/timescales", "setTimeScales",
183: "com.projity.timescale.TimeScaleManager");
184:
185: digester.addObjectCreate("*/timescales/timescale",
186: "com.projity.timescale.TimeScale");
187: digester.addSetProperties("*/timescales/timescale");
188: digester.addSetNext("*/timescales/timescale", "addTimeScale",
189: "com.projity.timescale.TimeScale");
190:
191: }
192:
193: public final void setCurrentScaleIndex(int currentScaleIndex) {
194: this .currentScaleIndex = currentScaleIndex;
195: }
196:
197: //events handling
198:
199: /*protected EventListenerList listenerList = new EventListenerList();
200:
201: public void addTimeScaleListener(TimeScaleListener l) {
202: listenerList.add(TimeScaleListener.class, l);
203: }
204: public void removeTimeScaleListener(TimeScaleListener l) {
205: listenerList.remove(TimeScaleListener.class, l);
206: }
207: public TimeScaleListener[] getTimeScaleListeners() {
208: return (TimeScaleListener[]) listenerList.getListeners(TimeScaleListener.class);
209: }
210: protected void fireTimeScaleChanged(Object source) {
211: Object[] listeners = listenerList.getListenerList();
212: TimeScaleEvent e = null;
213: for (int i = listeners.length - 2; i >= 0; i -= 2) {
214: if (listeners[i] == TimeScaleListener.class) {
215: if (e == null) {
216: e = new TimeScaleEvent(source);
217: }
218: ((TimeScaleListener) listeners[i + 1]).timeScaleChanged(e);
219: }
220: }
221: }
222: public EventListener[] getListeners(Class listenerType) {
223: return listenerList.getListeners(listenerType);
224: }
225: */
226:
227: }
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