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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: * DateTitle.java 29: * -------------- 30: * (C) Copyright 2000-2007, by David Berry and Contributors. 31: * 32: * Original Author: David Berry; 33: * Contributor(s): David Gilbert (for Object Refinery Limited); 34: * 35: * $Id: DateTitle.java,v 1.3.2.2 2007/02/02 15:03:19 mungady Exp $ 36: * 37: * Changes (from 18-Sep-2001) 38: * -------------------------- 39: * 18-Sep-2001 : Added standard header (DG); 40: * 09-Jan-2002 : Updated Javadoc comments (DG); 41: * 07-Feb-2002 : Changed blank space around title from Insets --> Spacer, to 42: * allow for relative or absolute spacing (DG); 43: * 26-Sep-2002 : Fixed errors reported by Checkstyle (DG); 44: * 31-Jan-2005 : Updated for changes to super class (DG); 45: * ------------- JFREECHART 1.0.x --------------------------------------------- 46: * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG); 47: * 48: */ 49: 50: package org.jfree.chart.title; 51: 52: import java.awt.Color; 53: import java.awt.Font; 54: import java.awt.Paint; 55: import java.io.Serializable; 56: import java.text.DateFormat; 57: import java.util.Date; 58: import java.util.Locale; 59: 60: import org.jfree.ui.HorizontalAlignment; 61: import org.jfree.ui.RectangleEdge; 62: import org.jfree.ui.RectangleInsets; 63: import org.jfree.ui.VerticalAlignment; 64: 65: /** 66: * A chart title that displays the date. 67: * <p> 68: * Keep in mind that a chart can have several titles, and that they can appear 69: * at the top, left, right or bottom of the chart - a <code>DateTitle</code> 70: * will commonly appear at the bottom of a chart, although you can place it 71: * anywhere. 72: * <P> 73: * By specifying the locale, dates are formatted to the correct standard for 74: * the given locale. For example, a date would appear as "January 17, 2000" in 75: * the US, but "17 January 2000" in most European locales. 76: */ 77: public class DateTitle extends TextTitle implements Serializable { 78: 79: /** For serialization. */ 80: private static final long serialVersionUID = -465434812763159881L; 81: 82: /** 83: * Creates a new chart title that displays the current date in the default 84: * (LONG) format for the locale, positioned to the bottom right of the 85: * chart. 86: * <P> 87: * The color will be black in 12 point, plain Helvetica font (maps to Arial 88: * on Win32 systems without Helvetica). 89: */ 90: public DateTitle() { 91: this(DateFormat.LONG); 92: } 93: 94: /** 95: * Creates a new chart title that displays the current date with the 96: * specified style (for the default locale). 97: * <P> 98: * The date style should be one of: <code>SHORT</code>, 99: * <code>MEDIUM</code>, <code>LONG</code> or <code>FULL</code> 100: * (defined in <code>java.util.DateFormat<code>). 101: * 102: * @param style the date style. 103: */ 104: public DateTitle(int style) { 105: this(style, Locale.getDefault(), new Font("Dialog", Font.PLAIN, 12), 106: Color.black); 107: } 108: 109: /** 110: * Creates a new chart title that displays the current date. 111: * <p> 112: * The date style should be one of: <code>SHORT</code>, 113: * <code>MEDIUM</code>, <code>LONG</code> or <code>FULL</code> (defined 114: * in <code>java.util.DateFormat<code>). 115: * <P> 116: * For the locale, you can use <code>Locale.getDefault()</code> for the 117: * default locale. 118: * 119: * @param style the date style. 120: * @param locale the locale. 121: * @param font the font. 122: * @param paint the text color. 123: */ 124: public DateTitle(int style, Locale locale, Font font, Paint paint) { 125: this(style, locale, font, paint, RectangleEdge.BOTTOM, 126: HorizontalAlignment.RIGHT, VerticalAlignment.CENTER, 127: Title.DEFAULT_PADDING); 128: } 129: 130: /** 131: * Creates a new chart title that displays the current date. 132: * <p> 133: * The date style should be one of: <code>SHORT</code>, 134: * <code>MEDIUM</code>, <code>LONG</code> or <code>FULL</code> (defined 135: * in <code>java.util.DateFormat<code>). 136: * <P> 137: * For the locale, you can use <code>Locale.getDefault()</code> for the 138: * default locale. 139: * 140: * @param style the date style. 141: * @param locale the locale. 142: * @param font the font (not null). 143: * @param paint the text color (not null). 144: * @param position the relative location of this title (use constants in 145: * Title). 146: * @param horizontalAlignment the horizontal text alignment of this title 147: * (use constants in Title). 148: * @param verticalAlignment the vertical text alignment of this title (use 149: * constants in Title). 150: * @param padding determines the blank space around the outside of the 151: * title (not null). 152: */ 153: public DateTitle(int style, Locale locale, Font font, Paint paint, 154: RectangleEdge position, 155: HorizontalAlignment horizontalAlignment, 156: VerticalAlignment verticalAlignment, 157: RectangleInsets padding) { 158: super(DateFormat.getDateInstance(style, locale).format(new Date()), 159: font, paint, position, horizontalAlignment, verticalAlignment, 160: padding); 161: } 162: 163: /** 164: * Set the format of the date. 165: * <P> 166: * The date style should be one of: <code>SHORT</code>, 167: * <code>MEDIUM</code>, <code>LONG</code> or <code>FULL</code> (defined 168: * in <code>java.util.DateFormat<code>). 169: * <P> 170: * For the locale, you can use <code>Locale.getDefault()</code> for the 171: * default locale. 172: * 173: * @param style the date style. 174: * @param locale the locale. 175: */ 176: public void setDateFormat(int style, Locale locale) { 177: setText(DateFormat.getDateInstance(style, locale).format(new Date())); 178: } 179: 180: }