Source for org.jfree.chart.axis.ValueTick

   1: /* ===========================================================
   2:  * JFreeChart : a free chart library for the Java(tm) platform
   3:  * ===========================================================
   4:  *
   5:  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
   6:  *
   7:  * Project Info:  http://www.jfree.org/jfreechart/index.html
   8:  *
   9:  * This library is free software; you can redistribute it and/or modify it 
  10:  * under the terms of the GNU Lesser General Public License as published by 
  11:  * the Free Software Foundation; either version 2.1 of the License, or 
  12:  * (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but 
  15:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
  16:  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
  17:  * License for more details.
  18:  *
  19:  * You should have received a copy of the GNU Lesser General Public
  20:  * License along with this library; if not, write to the Free Software
  21:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
  22:  * USA.  
  23:  *
  24:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
  25:  * in the United States and other countries.]
  26:  *
  27:  * --------------
  28:  * ValueTick.java
  29:  * --------------
  30:  * (C) Copyright 2003, 2004, by Object Refinery Limited.
  31:  *
  32:  * Original Author:  David Gilbert (for Object Refinery Limited);
  33:  * Contributor(s):   -;
  34:  *
  35:  * $Id: ValueTick.java,v 1.2.2.1 2005/10/25 20:37:34 mungady Exp $
  36:  *
  37:  * Changes
  38:  * -------
  39:  * 07-Nov-2003 : Version 1 (DG);
  40:  *
  41:  */
  42: package org.jfree.chart.axis;
  43: 
  44: import org.jfree.ui.TextAnchor;
  45: 
  46: /**
  47:  * A value tick.
  48:  */
  49: public abstract class ValueTick extends Tick {
  50: 
  51:     /** The value. */
  52:     private double value;
  53:     
  54:     /**
  55:      * Creates a new value tick.
  56:      * 
  57:      * @param value  the value.
  58:      * @param label  the label.
  59:      * @param textAnchor  the part of the label that is aligned to the anchor 
  60:      *                    point.
  61:      * @param rotationAnchor  defines the rotation point relative to the label.
  62:      * @param angle  the rotation angle (in radians).
  63:      */
  64:     public ValueTick(double value, String label, 
  65:                      TextAnchor textAnchor, TextAnchor rotationAnchor, 
  66:                      double angle) {
  67:                           
  68:         super(label, textAnchor, rotationAnchor, angle);
  69:         this.value = value;
  70:         
  71:     }
  72:     
  73:     /**
  74:      * Returns the value.
  75:      * 
  76:      * @return The value.
  77:      */
  78:     public double getValue() {
  79:         return this.value;
  80:     }
  81:     
  82:     /**
  83:      * Tests this tick for equality with an arbitrary object.
  84:      * 
  85:      * @param obj  the object to test (<code>null</code> permitted).
  86:      * 
  87:      * @return A boolean.
  88:      */
  89:     public boolean equals(Object obj) {
  90:         if (obj == this) {
  91:             return true;   
  92:         }
  93:         if (obj instanceof ValueTick && super.equals(obj)) {
  94:             ValueTick vt = (ValueTick) obj;
  95:             if (!(this.value == vt.value)) {
  96:                 return false;   
  97:             }
  98:             return true;
  99:         }
 100:         return false;
 101:     }
 102:     
 103: }