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1: /* =========================================================== 2: * JFreeChart : a free chart library for the Java(tm) platform 3: * =========================================================== 4: * 5: * (C) Copyright 2000-2007, 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: * StandardContourToolTipGenerator.java 29: * ------------------------------------ 30: * (C) Copyright 2002-2007, by David M. O'Donnell and Contributors. 31: * 32: * Original Author: David M. O'Donnell; 33: * Contributor(s): David Gilbert (for Object Refinery Limited); 34: * 35: * Changes 36: * ------- 37: * 23-Jan-2003 : Added standard header (DG); 38: * 21-Mar-2003 : Implemented Serializable (DG); 39: * 15-Jul-2004 : Switched the getZ() and getZValue() methods (DG); 40: * 19-Jan-2005 : Now accesses primitives only from dataset (DG); 41: * 42: */ 43: 44: package org.jfree.chart.labels; 45: 46: import java.io.Serializable; 47: import java.text.DecimalFormat; 48: import java.text.SimpleDateFormat; 49: import java.util.Date; 50: 51: import org.jfree.chart.plot.XYPlot; 52: import org.jfree.chart.renderer.xy.XYBlockRenderer; 53: import org.jfree.data.contour.ContourDataset; 54: 55: /** 56: * A standard tooltip generator for plots that use data from an 57: * {@link ContourDataset}. 58: * 59: * @deprecated This class is no longer supported (as of version 1.0.4). If 60: * you are creating contour plots, please try to use {@link XYPlot} and 61: * {@link XYBlockRenderer}. 62: */ 63: public class StandardContourToolTipGenerator implements ContourToolTipGenerator, 64: Serializable { 65: 66: /** For serialization. */ 67: private static final long serialVersionUID = -1881659351247502711L; 68: 69: /** The number formatter. */ 70: private DecimalFormat valueForm = new DecimalFormat("##.###"); 71: 72: /** 73: * Generates a tooltip text item for a particular item within a series. 74: * 75: * @param data the dataset. 76: * @param item the item index (zero-based). 77: * 78: * @return The tooltip text. 79: */ 80: public String generateToolTip(ContourDataset data, int item) { 81: 82: double x = data.getXValue(0, item); 83: double y = data.getYValue(0, item); 84: double z = data.getZValue(0, item); 85: String xString = null; 86: 87: if (data.isDateAxis(0)) { 88: SimpleDateFormat formatter 89: = new java.text.SimpleDateFormat("MM/dd/yyyy hh:mm:ss"); 90: StringBuffer strbuf = new StringBuffer(); 91: strbuf = formatter.format( 92: new Date((long) x), strbuf, new java.text.FieldPosition(0) 93: ); 94: xString = strbuf.toString(); 95: } 96: else { 97: xString = this.valueForm.format(x); 98: } 99: if (!Double.isNaN(z)) { 100: return "X: " + xString 101: + ", Y: " + this.valueForm.format(y) 102: + ", Z: " + this.valueForm.format(z); 103: } 104: else { 105: return "X: " + xString 106: + ", Y: " + this.valueForm.format(y) 107: + ", Z: no data"; 108: } 109: 110: } 111: 112: /** 113: * Tests if this object is equal to another. 114: * 115: * @param obj the other object. 116: * 117: * @return A boolean. 118: */ 119: public boolean equals(Object obj) { 120: 121: if (obj == this) { 122: return true; 123: } 124: 125: if (!(obj instanceof StandardContourToolTipGenerator)) { 126: return false; 127: } 128: StandardContourToolTipGenerator that 129: = (StandardContourToolTipGenerator) obj; 130: if (this.valueForm != null) { 131: return this.valueForm.equals(that.valueForm); 132: } 133: return false; 134: 135: } 136: 137: }