content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
   * in the United States and other countries.]
   *
   * ------------------------------------
   * StandardContourToolTipGenerator.java
   * ------------------------------------
   * (C) Copyright 2002-2008, by David M. O'Donnell and Contributors.
   *
   * Original Author:  David M. O'Donnell;
   * Contributor(s):   David Gilbert (for Object Refinery Limited);
   *
   * Changes
   * -------
   * 23-Jan-2003 : Added standard header (DG);
   * 21-Mar-2003 : Implemented Serializable (DG);
   * 15-Jul-2004 : Switched the getZ() and getZValue() methods (DG);
   * 19-Jan-2005 : Now accesses primitives only from dataset (DG);
   *
   */
  
  package org.jfree.chart.labels;
  
  import java.io.Serializable;
  import java.text.DecimalFormat;
  import java.text.SimpleDateFormat;
  import java.util.Date;
  
  import org.jfree.chart.plot.XYPlot;
  import org.jfree.chart.renderer.xy.XYBlockRenderer;
  import org.jfree.data.contour.ContourDataset;
  
  /**
   * A standard tooltip generator for plots that use data from an
   * {@link ContourDataset}.
   *
   * @deprecated This class is no longer supported (as of version 1.0.4).  If
   *     you are creating contour plots, please try to use {@link XYPlot} and
   *     {@link XYBlockRenderer}.
   */
  public class StandardContourToolTipGenerator implements ContourToolTipGenerator,
                                                          Serializable {
  
      /** For serialization. */
      private static final long serialVersionUID = -1881659351247502711L;
  
      /** The number formatter. */
      private DecimalFormat valueForm = new DecimalFormat("##.###");
  
      /**
       * Generates a tooltip text item for a particular item within a series.
       *
       * @param data  the dataset.
       * @param item  the item index (zero-based).
       *
       * @return The tooltip text.
       */
      public String generateToolTip(ContourDataset data, int item) {
  
          double x = data.getXValue(0, item);
          double y = data.getYValue(0, item);
          double z = data.getZValue(0, item);
          String xString = null;
  
          if (data.isDateAxis(0)) {
              SimpleDateFormat formatter
                  = new java.text.SimpleDateFormat("MM/dd/yyyy hh:mm:ss");
              StringBuffer strbuf = new StringBuffer();
              strbuf = formatter.format(
                  new Date((long) x), strbuf, new java.text.FieldPosition(0)
              );
              xString = strbuf.toString();
          }
          else {
              xString = this.valueForm.format(x);
          }
          if (!Double.isNaN(z)) {
              return "X: " + xString
                     + ", Y: " + this.valueForm.format(y)
                     + ", Z: " + this.valueForm.format(z);
          }
          else {
              return "X: " + xString
                   + ", Y: " + this.valueForm.format(y)
                   + ", Z: no data";
          }
  
      }
  
      /**
       * Tests if this object is equal to another.
       *
       * @param obj  the other object.
       *
       * @return A boolean.
       */
      public boolean equals(Object obj) {
  
          if (obj == this) {
              return true;
          }
  
          if (!(obj instanceof StandardContourToolTipGenerator)) {
              return false;
          }
          StandardContourToolTipGenerator that
              = (StandardContourToolTipGenerator) obj;
          if (this.valueForm != null) {
              return this.valueForm.equals(that.valueForm);
          }
          return false;
  
      }
  
  }
  