001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: * The Original Software is NetBeans. The Initial Developer of the Original
026: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
027: * Microsystems, Inc. All Rights Reserved.
028: *
029: * If you wish your version of this file to be governed by only the CDDL
030: * or only the GPL Version 2, indicate your decision by adding
031: * "[Contributor] elects to include this software in this distribution
032: * under the [CDDL or GPL Version 2] license." If you do not indicate a
033: * single choice of license, a recipient has the option to distribute
034: * your version of this file under either the CDDL, the GPL Version 2 or
035: * to extend the choice of license to its licensees as provided above.
036: * However, if you add GPL Version 2 code and therefore, elected the GPL
037: * Version 2 license, then the option applies only if the new code is
038: * made subject to such option by the copyright holder.
039: */
040:
041: package org.netbeans.lib.profiler.ui.charts;
042:
043: import java.util.Iterator;
044: import java.util.Vector;
045:
046: /**
047: *
048: * @author Jiri Sedlacek
049: */
050: public abstract class AbstractBarChartModel implements BarChartModel {
051: //~ Instance fields ----------------------------------------------------------------------------------------------------------
052:
053: private Vector listeners; // Data change listeners
054:
055: //~ Constructors -------------------------------------------------------------------------------------------------------------
056:
057: /** Creates a new instance of AbstractBarChartModel */
058: public AbstractBarChartModel() {
059: }
060:
061: //~ Methods ------------------------------------------------------------------------------------------------------------------
062:
063: public abstract String getXAxisDesc();
064:
065: // --- Abstract BarChartModel ------------------------------------------------
066: public abstract String[] getXLabels();
067:
068: public abstract String getYAxisDesc();
069:
070: public abstract int[] getYValues();
071:
072: // ---------------------------------------------------------------------------
073:
074: // --- Listeners -------------------------------------------------------------
075:
076: /**
077: * Adds new ChartModel listener.
078: * @param listener ChartModel listener to add
079: */
080: public synchronized void addChartModelListener(
081: ChartModelListener listener) {
082: if (listeners == null) {
083: listeners = new Vector();
084: }
085:
086: if (!listeners.contains(listener)) {
087: listeners.add(listener);
088: }
089: }
090:
091: /**
092: * Removes ChartModel listener.
093: * @param listener ChartModel listener to remove
094: */
095: public synchronized void removeChartModelListener(
096: ChartModelListener listener) {
097: if (listeners != null) {
098: listeners.remove(listener);
099: }
100: }
101:
102: /**
103: * Notifies all listeners about the data change.
104: */
105: protected void fireChartDataChanged() {
106: if (listeners == null) {
107: return;
108: }
109:
110: Vector toNotify;
111:
112: synchronized (this ) {
113: toNotify = ((Vector) listeners.clone());
114: }
115:
116: Iterator iterator = toNotify.iterator();
117:
118: while (iterator.hasNext()) {
119: ((ChartModelListener) iterator.next()).chartDataChanged();
120: }
121: }
122:
123: // ---------------------------------------------------------------------------
124: }
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