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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: * BoxAndWhiskerXYToolTipGenerator.java 29: * ------------------------------------ 30: * (C) Copyright 2003-2007, by David Browning and Contributors. 31: * 32: * Original Author: David Browning; 33: * Contributor(s): David Gilbert (for Object Refinery Limited); 34: * 35: * Changes 36: * ------- 37: * 05-Aug-2003 : Version 1, contributed by David Browning (DG); 38: * 13-Aug-2003 : Implemented Cloneable (DG); 39: * 28-Aug-2003 : Updated for changes in dataset API (DG); 40: * 25-Feb-2004 : Renamed XYToolTipGenerator --> XYItemLabelGenerator (DG); 41: * 27-Feb-2004 : Renamed BoxAndWhiskerItemLabelGenerator --> 42: * BoxAndWhiskerXYItemLabelGenerator, and modified to use 43: * MessageFormat (DG); 44: * 15-Jul-2004 : Switched getX() with getXValue() and getY() with 45: * getYValue() (DG); 46: * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG); 47: * 48: */ 49: 50: package org.jfree.chart.labels; 51: 52: import java.io.Serializable; 53: import java.text.DateFormat; 54: import java.text.MessageFormat; 55: import java.text.NumberFormat; 56: import java.util.Date; 57: 58: import org.jfree.data.statistics.BoxAndWhiskerXYDataset; 59: import org.jfree.data.xy.XYDataset; 60: 61: /** 62: * An item label generator for plots that use data from a 63: * {@link BoxAndWhiskerXYDataset}. 64: * <P> 65: * The tooltip text and item label text are composed using a 66: * {@link java.text.MessageFormat} object, that can aggregate some or all of 67: * the following string values into a message. 68: * <table> 69: * <tr><td>0</td><td>Series Name</td></tr> 70: * <tr><td>1</td><td>X (value or date)</td></tr> 71: * <tr><td>2</td><td>Mean</td></tr> 72: * <tr><td>3</td><td>Median</td></tr> 73: * <tr><td>4</td><td>Minimum</td></tr> 74: * <tr><td>5</td><td>Maximum</td></tr> 75: * <tr><td>6</td><td>Quartile 1</td></tr> 76: * <tr><td>7</td><td>Quartile 3</td></tr> 77: * </table> 78: */ 79: public class BoxAndWhiskerXYToolTipGenerator extends StandardXYToolTipGenerator 80: implements XYToolTipGenerator, 81: Cloneable, 82: Serializable { 83: 84: /** For serialization. */ 85: private static final long serialVersionUID = -2648775791161459710L; 86: 87: /** The default tooltip format string. */ 88: public static final String DEFAULT_TOOL_TIP_FORMAT 89: = "X: {1} Mean: {2} Median: {3} Min: {4} Max: {5} Q1: {6} Q3: {7} "; 90: 91: /** 92: * Creates a default item label generator. 93: */ 94: public BoxAndWhiskerXYToolTipGenerator() { 95: super( 96: DEFAULT_TOOL_TIP_FORMAT, 97: NumberFormat.getInstance(), NumberFormat.getInstance() 98: ); 99: } 100: 101: /** 102: * Creates a new item label generator. If the date formatter is not 103: * <code>null</code>, the x-values will be formatted as dates. 104: * 105: * @param toolTipFormat the tool tip format string (<code>null</code> not 106: * permitted). 107: * @param numberFormat the number formatter (<code>null</code> not 108: * permitted). 109: * @param dateFormat the date formatter (<code>null</code> permitted). 110: */ 111: public BoxAndWhiskerXYToolTipGenerator(String toolTipFormat, 112: DateFormat dateFormat, 113: NumberFormat numberFormat) { 114: 115: super(toolTipFormat, dateFormat, numberFormat); 116: 117: } 118: 119: /** 120: * Creates the array of items that can be passed to the 121: * {@link MessageFormat} class for creating labels. 122: * 123: * @param dataset the dataset (<code>null</code> not permitted). 124: * @param series the series (zero-based index). 125: * @param item the item (zero-based index). 126: * 127: * @return The items (never <code>null</code>). 128: */ 129: protected Object[] createItemArray(XYDataset dataset, int series, 130: int item) { 131: Object[] result = new Object[8]; 132: result[0] = dataset.getSeriesKey(series).toString(); 133: Number x = dataset.getX(series, item); 134: if (getXDateFormat() != null) { 135: result[1] = getXDateFormat().format(new Date(x.longValue())); 136: } 137: else { 138: result[1] = getXFormat().format(x); 139: } 140: NumberFormat formatter = getYFormat(); 141: 142: if (dataset instanceof BoxAndWhiskerXYDataset) { 143: BoxAndWhiskerXYDataset d = (BoxAndWhiskerXYDataset) dataset; 144: result[2] = formatter.format(d.getMeanValue(series, item)); 145: result[3] = formatter.format(d.getMedianValue(series, item)); 146: result[4] = formatter.format(d.getMinRegularValue(series, item)); 147: result[5] = formatter.format(d.getMaxRegularValue(series, item)); 148: result[6] = formatter.format(d.getQ1Value(series, item)); 149: result[7] = formatter.format(d.getQ3Value(series, item)); 150: } 151: return result; 152: } 153: 154: /** 155: * Tests if this object is equal to another. 156: * 157: * @param obj the other object. 158: * 159: * @return A boolean. 160: */ 161: public boolean equals(Object obj) { 162: if (obj == this) { 163: return true; 164: } 165: if (!(obj instanceof BoxAndWhiskerXYToolTipGenerator)) { 166: return false; 167: } 168: return super.equals(obj); 169: } 170: 171: }