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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: * BoxAndWhiskerXYToolTipGenerator.java 29: * ------------------------------------ 30: * (C) Copyright 2003-2005, by David Browning and Contributors. 31: * 32: * Original Author: David Browning; 33: * Contributor(s): David Gilbert (for Object Refinery Limited); 34: * 35: * $Id: BoxAndWhiskerXYToolTipGenerator.java,v 1.4.2.1 2005/10/25 20:49:02 mungady Exp $ 36: * 37: * Changes 38: * ------- 39: * 05-Aug-2003 : Version 1, contributed by David Browning (DG); 40: * 13-Aug-2003 : Implemented Cloneable (DG); 41: * 28-Aug-2003 : Updated for changes in dataset API (DG); 42: * 25-Feb-2004 : Renamed XYToolTipGenerator --> XYItemLabelGenerator (DG); 43: * 27-Feb-2004 : Renamed BoxAndWhiskerItemLabelGenerator --> 44: * BoxAndWhiskerXYItemLabelGenerator, and modified to use 45: * MessageFormat (DG); 46: * 15-Jul-2004 : Switched getX() with getXValue() and getY() with 47: * getYValue() (DG); 48: * 49: */ 50: 51: package org.jfree.chart.labels; 52: 53: import java.io.Serializable; 54: import java.text.DateFormat; 55: import java.text.MessageFormat; 56: import java.text.NumberFormat; 57: import java.util.Date; 58: 59: import org.jfree.data.statistics.BoxAndWhiskerXYDataset; 60: import org.jfree.data.xy.XYDataset; 61: 62: /** 63: * An item label generator for plots that use data from a 64: * {@link BoxAndWhiskerXYDataset}. 65: * <P> 66: * The tooltip text and item label text are composed using a 67: * {@link java.text.MessageFormat} object, that can aggregate some or all of 68: * the following string values into a message. 69: * <table> 70: * <tr><td>0</td><td>Series Name</td></tr> 71: * <tr><td>1</td><td>X (value or date)</td></tr> 72: * <tr><td>2</td><td>Mean</td></tr> 73: * <tr><td>3</td><td>Median</td></tr> 74: * <tr><td>4</td><td>Minimum</td></tr> 75: * <tr><td>5</td><td>Maximum</td></tr> 76: * <tr><td>6</td><td>Quartile 1</td></tr> 77: * <tr><td>7</td><td>Quartile 3</td></tr> 78: * </table> 79: * 80: * @author David Browning 81: */ 82: public class BoxAndWhiskerXYToolTipGenerator extends StandardXYToolTipGenerator 83: implements XYToolTipGenerator, 84: Cloneable, 85: Serializable { 86: 87: /** For serialization. */ 88: private static final long serialVersionUID = -2648775791161459710L; 89: 90: /** The default tooltip format string. */ 91: public static final String DEFAULT_TOOL_TIP_FORMAT 92: = "X: {1} Mean: {2} Median: {3} Min: {4} Max: {5} Q1: {6} Q3: {7} "; 93: 94: /** 95: * Creates a default item label generator. 96: */ 97: public BoxAndWhiskerXYToolTipGenerator() { 98: super( 99: DEFAULT_TOOL_TIP_FORMAT, 100: NumberFormat.getInstance(), NumberFormat.getInstance() 101: ); 102: } 103: 104: /** 105: * Creates a new item label generator. If the date formatter is not 106: * <code>null</code>, the x-values will be formatted as dates. 107: * 108: * @param toolTipFormat the tool tip format string (<code>null</code> not 109: * permitted). 110: * @param numberFormat the number formatter (<code>null</code> not 111: * permitted). 112: * @param dateFormat the date formatter (<code>null</code> permitted). 113: */ 114: public BoxAndWhiskerXYToolTipGenerator(String toolTipFormat, 115: DateFormat dateFormat, 116: NumberFormat numberFormat) { 117: 118: super(toolTipFormat, dateFormat, numberFormat); 119: 120: } 121: 122: /** 123: * Creates the array of items that can be passed to the 124: * {@link MessageFormat} class for creating labels. 125: * 126: * @param dataset the dataset (<code>null</code> not permitted). 127: * @param series the series (zero-based index). 128: * @param item the item (zero-based index). 129: * 130: * @return The items (never <code>null</code>). 131: */ 132: protected Object[] createItemArray(XYDataset dataset, int series, 133: int item) { 134: Object[] result = new Object[8]; 135: result[0] = dataset.getSeriesKey(series).toString(); 136: Number x = dataset.getX(series, item); 137: if (getXDateFormat() != null) { 138: result[1] = getXDateFormat().format(new Date(x.longValue())); 139: } 140: else { 141: result[1] = getXFormat().format(x); 142: } 143: NumberFormat formatter = getYFormat(); 144: 145: if (dataset instanceof BoxAndWhiskerXYDataset) { 146: BoxAndWhiskerXYDataset d = (BoxAndWhiskerXYDataset) dataset; 147: result[2] = formatter.format(d.getMeanValue(series, item)); 148: result[3] = formatter.format(d.getMedianValue(series, item)); 149: result[4] = formatter.format(d.getMinRegularValue(series, item)); 150: result[5] = formatter.format(d.getMaxRegularValue(series, item)); 151: result[6] = formatter.format(d.getQ1Value(series, item)); 152: result[7] = formatter.format(d.getQ3Value(series, item)); 153: } 154: return result; 155: } 156: 157: /** 158: * Tests if this object is equal to another. 159: * 160: * @param obj the other object. 161: * 162: * @return A boolean. 163: */ 164: public boolean equals(Object obj) { 165: if (obj == this) { 166: return true; 167: } 168: if (!(obj instanceof BoxAndWhiskerXYToolTipGenerator)) { 169: return false; 170: } 171: return super.equals(obj); 172: } 173: 174: }