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    }