001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006 *
007 * Project Info: http://www.jfree.org/jfreechart/index.html
008 *
009 * This library is free software; you can redistribute it and/or modify it
010 * under the terms of the GNU Lesser General Public License as published by
011 * the Free Software Foundation; either version 2.1 of the License, or
012 * (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but
015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017 * License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this library; if not, write to the Free Software
021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022 * USA.
023 *
024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025 * in the United States and other countries.]
026 *
027 * --------------
028 * ValueTick.java
029 * --------------
030 * (C) Copyright 2003, 2004, by Object Refinery Limited.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): -;
034 *
035 * $Id: ValueTick.java,v 1.2.2.1 2005/10/25 20:37:34 mungady Exp $
036 *
037 * Changes
038 * -------
039 * 07-Nov-2003 : Version 1 (DG);
040 *
041 */
042 package org.jfree.chart.axis;
043
044 import org.jfree.ui.TextAnchor;
045
046 /**
047 * A value tick.
048 */
049 public abstract class ValueTick extends Tick {
050
051 /** The value. */
052 private double value;
053
054 /**
055 * Creates a new value tick.
056 *
057 * @param value the value.
058 * @param label the label.
059 * @param textAnchor the part of the label that is aligned to the anchor
060 * point.
061 * @param rotationAnchor defines the rotation point relative to the label.
062 * @param angle the rotation angle (in radians).
063 */
064 public ValueTick(double value, String label,
065 TextAnchor textAnchor, TextAnchor rotationAnchor,
066 double angle) {
067
068 super(label, textAnchor, rotationAnchor, angle);
069 this.value = value;
070
071 }
072
073 /**
074 * Returns the value.
075 *
076 * @return The value.
077 */
078 public double getValue() {
079 return this.value;
080 }
081
082 /**
083 * Tests this tick for equality with an arbitrary object.
084 *
085 * @param obj the object to test (<code>null</code> permitted).
086 *
087 * @return A boolean.
088 */
089 public boolean equals(Object obj) {
090 if (obj == this) {
091 return true;
092 }
093 if (obj instanceof ValueTick && super.equals(obj)) {
094 ValueTick vt = (ValueTick) obj;
095 if (!(this.value == vt.value)) {
096 return false;
097 }
098 return true;
099 }
100 return false;
101 }
102
103 }