001 /* ===========================================================
002 * JFreeChart : a free chart library for the Java(tm) platform
003 * ===========================================================
004 *
005 * (C) Copyright 2000-2007, 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 2003-2007, by Object Refinery Limited.
031 *
032 * Original Author: David Gilbert (for Object Refinery Limited);
033 * Contributor(s): -;
034 *
035 * Changes
036 * -------
037 * 07-Nov-2003 : Version 1 (DG);
038 * 13-May-2004 : Added equals() method (DG);
039 *
040 */
041
042 package org.jfree.chart.axis;
043
044 import org.jfree.text.TextBlock;
045 import org.jfree.text.TextBlockAnchor;
046 import org.jfree.ui.TextAnchor;
047 import org.jfree.util.ObjectUtilities;
048
049 /**
050 * A tick for a {@link CategoryAxis}.
051 */
052 public class CategoryTick extends Tick {
053
054 /** The category. */
055 private Comparable category;
056
057 /** The label. */
058 private TextBlock label;
059
060 /** The label anchor. */
061 private TextBlockAnchor labelAnchor;
062
063 /**
064 * Creates a new tick.
065 *
066 * @param category the category.
067 * @param label the label.
068 * @param labelAnchor the label anchor.
069 * @param rotationAnchor the rotation anchor.
070 * @param angle the rotation angle (in radians).
071 */
072 public CategoryTick(Comparable category,
073 TextBlock label,
074 TextBlockAnchor labelAnchor,
075 TextAnchor rotationAnchor,
076 double angle) {
077
078 super("", TextAnchor.CENTER, rotationAnchor, angle);
079 this.category = category;
080 this.label = label;
081 this.labelAnchor = labelAnchor;
082
083 }
084
085 /**
086 * Returns the category.
087 *
088 * @return The category.
089 */
090 public Comparable getCategory() {
091 return this.category;
092 }
093
094 /**
095 * Returns the label.
096 *
097 * @return The label.
098 */
099 public TextBlock getLabel() {
100 return this.label;
101 }
102
103 /**
104 * Returns the label anchor.
105 *
106 * @return The label anchor.
107 */
108 public TextBlockAnchor getLabelAnchor() {
109 return this.labelAnchor;
110 }
111
112 /**
113 * Tests this category tick for equality with an arbitrary object.
114 *
115 * @param obj the object (<code>null</code> permitted).
116 *
117 * @return A boolean.
118 */
119 public boolean equals(Object obj) {
120 if (this == obj) {
121 return true;
122 }
123 if (obj instanceof CategoryTick && super.equals(obj)) {
124 CategoryTick that = (CategoryTick) obj;
125 if (!ObjectUtilities.equal(this.category, that.category)) {
126 return false;
127 }
128 if (!ObjectUtilities.equal(this.label, that.label)) {
129 return false;
130 }
131 if (!ObjectUtilities.equal(this.labelAnchor, that.labelAnchor)) {
132 return false;
133 }
134 return true;
135 }
136 return false;
137 }
138
139 /**
140 * Returns a hash code for this object.
141 *
142 * @return A hash code.
143 */
144 public int hashCode() {
145 int result = 41;
146 result = 37 * result + this.category.hashCode();
147 result = 37 * result + this.label.hashCode();
148 result = 37 * result + this.labelAnchor.hashCode();
149 return result;
150 }
151 }