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 * CategoryTick.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: CategoryTick.java,v 1.4.2.1 2005/10/25 20:37:34 mungady Exp $
036 *
037 * Changes
038 * -------
039 * 07-Nov-2003 : Version 1 (DG);
040 * 13-May-2004 : Added equals() method (DG);
041 *
042 */
043
044 package org.jfree.chart.axis;
045
046 import org.jfree.text.TextBlock;
047 import org.jfree.text.TextBlockAnchor;
048 import org.jfree.ui.TextAnchor;
049 import org.jfree.util.ObjectUtilities;
050
051 /**
052 * A tick for a {@link CategoryAxis}.
053 */
054 public class CategoryTick extends Tick {
055
056 /** The category. */
057 private Comparable category;
058
059 /** The label. */
060 private TextBlock label;
061
062 /** The label anchor. */
063 private TextBlockAnchor labelAnchor;
064
065 /**
066 * Creates a new tick.
067 *
068 * @param category the category.
069 * @param label the label.
070 * @param labelAnchor the label anchor.
071 * @param rotationAnchor the rotation anchor.
072 * @param angle the rotation angle (in radians).
073 */
074 public CategoryTick(Comparable category,
075 TextBlock label,
076 TextBlockAnchor labelAnchor,
077 TextAnchor rotationAnchor,
078 double angle) {
079
080 super("", TextAnchor.CENTER, rotationAnchor, angle);
081 this.category = category;
082 this.label = label;
083 this.labelAnchor = labelAnchor;
084
085 }
086
087 /**
088 * Returns the category.
089 *
090 * @return The category.
091 */
092 public Comparable getCategory() {
093 return this.category;
094 }
095
096 /**
097 * Returns the label.
098 *
099 * @return The label.
100 */
101 public TextBlock getLabel() {
102 return this.label;
103 }
104
105 /**
106 * Returns the label anchor.
107 *
108 * @return The label anchor.
109 */
110 public TextBlockAnchor getLabelAnchor() {
111 return this.labelAnchor;
112 }
113
114 /**
115 * Tests this category tick for equality with an arbitrary object.
116 *
117 * @param obj the object (<code>null</code> permitted).
118 *
119 * @return A boolean.
120 */
121 public boolean equals(Object obj) {
122 if (this == obj) {
123 return true;
124 }
125 if (obj instanceof CategoryTick && super.equals(obj)) {
126 CategoryTick that = (CategoryTick) obj;
127 if (!ObjectUtilities.equal(this.category, that.category)) {
128 return false;
129 }
130 if (!ObjectUtilities.equal(this.label, that.label)) {
131 return false;
132 }
133 if (!ObjectUtilities.equal(this.labelAnchor, that.labelAnchor)) {
134 return false;
135 }
136 return true;
137 }
138 return false;
139 }
140
141 /**
142 * Returns a hash code for this object.
143 *
144 * @return A hash code.
145 */
146 public int hashCode() {
147 int result = 41;
148 result = 37 * result + this.category.hashCode();
149 result = 37 * result + this.label.hashCode();
150 result = 37 * result + this.labelAnchor.hashCode();
151 return result;
152 }
153 }