Source Code Cross Referenced for JRBaseValueDisplay.java in  » Report » jasperreports-2.0.1 » net » sf » jasperreports » charts » base » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Report » jasperreports 2.0.1 » net.sf.jasperreports.charts.base 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * ============================================================================
003:         * GNU Lesser General Public License
004:         * ============================================================================
005:         *
006:         * JasperReports - Free Java report-generating library.
007:         * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
008:         *
009:         * This library is free software; you can redistribute it and/or
010:         * modify it under the terms of the GNU Lesser General Public
011:         * License as published by the Free Software Foundation; either
012:         * version 2.1 of the License, or (at your option) any later version.
013:         *
014:         * This library is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
017:         * Lesser General Public License for more details.
018:         *
019:         * You should have received a copy of the GNU Lesser General Public
020:         * License along with this library; if not, write to the Free Software
021:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
022:         *
023:         * JasperSoft Corporation
024:         * 303 Second Street, Suite 450 North
025:         * San Francisco, CA 94107
026:         * http://www.jaspersoft.com
027:         */
028:        package net.sf.jasperreports.charts.base;
029:
030:        import net.sf.jasperreports.charts.JRValueDisplay;
031:        import net.sf.jasperreports.engine.JRConstants;
032:        import net.sf.jasperreports.engine.JRExpressionCollector;
033:        import net.sf.jasperreports.engine.JRFont;
034:        import net.sf.jasperreports.engine.base.JRBaseObjectFactory;
035:
036:        import java.awt.Color;
037:        import java.io.Serializable;
038:
039:        /**
040:         * An immutable representation of the formatting options for showing the
041:         * value of a value dataset.  Used by charts that display a single value,
042:         * such as a Meter or Thermometer.
043:         *
044:         * @author Barry Klawans (bklawans@users.sourceforge.net)
045:         * @version $Id: JRBaseValueDisplay.java 1793 2007-07-30 09:06:18Z teodord $
046:         */
047:        public class JRBaseValueDisplay implements  JRValueDisplay, Serializable {
048:
049:            /**
050:             *
051:             */
052:            private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
053:
054:            /**
055:             * The color to use when writing the value.
056:             */
057:            protected Color color = null;
058:
059:            /**
060:             * The formatting mask to use when writing the value.  Must a pattern
061:             * that is accepted by a code>java.text.DecimalFormat</code> object.
062:             */
063:            protected String mask = null;
064:
065:            /**
066:             * The font to use when writing the value.
067:             */
068:            protected JRFont font = null;
069:
070:            /**
071:             * Constructs a copy of an existing value format specification.
072:             *
073:             * @param valueDisplay the value formatting object to copy
074:             */
075:            public JRBaseValueDisplay(JRValueDisplay valueDisplay) {
076:                if (valueDisplay != null) {
077:                    color = valueDisplay.getColor();
078:                    mask = valueDisplay.getMask();
079:                    font = valueDisplay.getFont();
080:                }
081:            }
082:
083:            /**
084:             * Constructs a copy of an existing value format specification and registers
085:             * any expression in the new copy with the specified factory.
086:             *
087:             * @param valueDisplay the value formatting object to copy
088:             * @param factory the factory object to register expressions with
089:             */
090:            public JRBaseValueDisplay(JRValueDisplay valueDisplay,
091:                    JRBaseObjectFactory factory) {
092:                factory.put(valueDisplay, this );
093:
094:                if (valueDisplay != null) {
095:                    color = valueDisplay.getColor();
096:                    mask = valueDisplay.getMask();
097:                    font = valueDisplay.getFont();
098:                }
099:            }
100:
101:            /**
102:             *
103:             */
104:            public Color getColor() {
105:                return color;
106:            }
107:
108:            /**
109:             *
110:             */
111:            public String getMask() {
112:                return mask;
113:            }
114:
115:            /**
116:             *
117:             */
118:            public JRFont getFont() {
119:                return font;
120:            }
121:
122:            /**
123:             * Adds all the expression used by this plot with the specified collector.
124:             * All collected expression that are also registered with a factory will
125:             * be included with the report is compiled.
126:             *
127:             * @param collector the expression collector to use
128:             */
129:            public void collectExpressions(JRExpressionCollector collector) {
130:            }
131:
132:        }
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