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<HTML><BODY BGCOLOR="white"><PRE><FONT color="green">001</FONT> /* ===========================================================<a name="line.1"></a><FONT color="green">002</FONT> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a><FONT color="green">003</FONT> * ===========================================================<a name="line.3"></a><FONT color="green">004</FONT> *<a name="line.4"></a><FONT color="green">005</FONT> * (C) Copyright 2000-2006, by Object Refinery Limited and Contributors.<a name="line.5"></a><FONT color="green">006</FONT> *<a name="line.6"></a><FONT color="green">007</FONT> * Project Info: http://www.jfree.org/jfreechart/index.html<a name="line.7"></a><FONT color="green">008</FONT> *<a name="line.8"></a><FONT color="green">009</FONT> * This library is free software; you can redistribute it and/or modify it <a name="line.9"></a><FONT color="green">010</FONT> * under the terms of the GNU Lesser General Public License as published by <a name="line.10"></a><FONT color="green">011</FONT> * the Free Software Foundation; either version 2.1 of the License, or <a name="line.11"></a><FONT color="green">012</FONT> * (at your option) any later version.<a name="line.12"></a><FONT color="green">013</FONT> *<a name="line.13"></a><FONT color="green">014</FONT> * This library is distributed in the hope that it will be useful, but <a name="line.14"></a><FONT color="green">015</FONT> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY <a name="line.15"></a><FONT color="green">016</FONT> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public <a name="line.16"></a><FONT color="green">017</FONT> * License for more details.<a name="line.17"></a><FONT color="green">018</FONT> *<a name="line.18"></a><FONT color="green">019</FONT> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a><FONT color="green">020</FONT> * License along with this library; if not, write to the Free Software<a name="line.20"></a><FONT color="green">021</FONT> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, <a name="line.21"></a><FONT color="green">022</FONT> * USA. <a name="line.22"></a><FONT color="green">023</FONT> *<a name="line.23"></a><FONT color="green">024</FONT> * [Java is a trademark or registered trademark of Sun Microsystems, Inc. <a name="line.24"></a><FONT color="green">025</FONT> * in the United States and other countries.]<a name="line.25"></a><FONT color="green">026</FONT> *<a name="line.26"></a><FONT color="green">027</FONT> * -----------------<a name="line.27"></a><FONT color="green">028</FONT> * CategoryPlot.java<a name="line.28"></a><FONT color="green">029</FONT> * -----------------<a name="line.29"></a><FONT color="green">030</FONT> * (C) Copyright 2000-2006, by Object Refinery Limited and Contributors.<a name="line.30"></a><FONT color="green">031</FONT> *<a name="line.31"></a><FONT color="green">032</FONT> * Original Author: David Gilbert (for Object Refinery Limited);<a name="line.32"></a><FONT color="green">033</FONT> * Contributor(s): Jeremy Bowman;<a name="line.33"></a><FONT color="green">034</FONT> * Arnaud Lelievre;<a name="line.34"></a><FONT color="green">035</FONT> *<a name="line.35"></a><FONT color="green">036</FONT> * $Id: CategoryPlot.java,v 1.23.2.8 2006/08/18 14:48:31 mungady Exp $<a name="line.36"></a><FONT color="green">037</FONT> *<a name="line.37"></a><FONT color="green">038</FONT> * Changes (from 21-Jun-2001)<a name="line.38"></a><FONT color="green">039</FONT> * --------------------------<a name="line.39"></a><FONT color="green">040</FONT> * 21-Jun-2001 : Removed redundant JFreeChart parameter from constructors (DG);<a name="line.40"></a><FONT color="green">041</FONT> * 21-Aug-2001 : Added standard header. Fixed DOS encoding problem (DG);<a name="line.41"></a><FONT color="green">042</FONT> * 18-Sep-2001 : Updated header (DG);<a name="line.42"></a><FONT color="green">043</FONT> * 15-Oct-2001 : Data source classes moved to com.jrefinery.data.* (DG);<a name="line.43"></a><FONT color="green">044</FONT> * 22-Oct-2001 : Renamed DataSource.java --> Dataset.java etc. (DG);<a name="line.44"></a><FONT color="green">045</FONT> * 23-Oct-2001 : Changed intro and trail gaps on bar plots to use percentage of <a name="line.45"></a><FONT color="green">046</FONT> * available space rather than a fixed number of units (DG);<a name="line.46"></a><FONT color="green">047</FONT> * 12-Dec-2001 : Changed constructors to protected (DG);<a name="line.47"></a><FONT color="green">048</FONT> * 13-Dec-2001 : Added tooltips (DG);<a name="line.48"></a><FONT color="green">049</FONT> * 16-Jan-2002 : Increased maximum intro and trail gap percents, plus added <a name="line.49"></a><FONT color="green">050</FONT> * some argument checking code. Thanks to Taoufik Romdhane for <a name="line.50"></a><FONT color="green">051</FONT> * suggesting this (DG);<a name="line.51"></a><FONT color="green">052</FONT> * 05-Feb-2002 : Added accessor methods for the tooltip generator, incorporated<a name="line.52"></a><FONT color="green">053</FONT> * alpha-transparency for Plot and subclasses (DG);<a name="line.53"></a><FONT color="green">054</FONT> * 06-Mar-2002 : Updated import statements (DG);<a name="line.54"></a><FONT color="green">055</FONT> * 14-Mar-2002 : Renamed BarPlot.java --> CategoryPlot.java, and changed code <a name="line.55"></a><FONT color="green">056</FONT> * to use the CategoryItemRenderer interface (DG);<a name="line.56"></a><FONT color="green">057</FONT> * 22-Mar-2002 : Dropped the getCategories() method (DG);<a name="line.57"></a><FONT color="green">058</FONT> * 23-Apr-2002 : Moved the dataset from the JFreeChart class to the Plot <a name="line.58"></a><FONT color="green">059</FONT> * class (DG);<a name="line.59"></a><FONT color="green">060</FONT> * 29-Apr-2002 : New methods to support printing values at the end of bars, <a name="line.60"></a><FONT color="green">061</FONT> * contributed by Jeremy Bowman (DG);<a name="line.61"></a><FONT color="green">062</FONT> * 11-May-2002 : New methods for label visibility and overlaid plot support, <a name="line.62"></a><FONT color="green">063</FONT> * contributed by Jeremy Bowman (DG);<a name="line.63"></a><FONT color="green">064</FONT> * 06-Jun-2002 : Removed the tooltip generator, this is now stored with the <a name="line.64"></a><FONT color="green">065</FONT> * renderer. Moved constants into the CategoryPlotConstants <a name="line.65"></a><FONT color="green">066</FONT> * interface. Updated Javadoc comments (DG);<a name="line.66"></a><FONT color="green">067</FONT> * 10-Jun-2002 : Overridden datasetChanged() method to update the upper and <a name="line.67"></a><FONT color="green">068</FONT> * lower bound on the range axis (if necessary), updated <a name="line.68"></a><FONT color="green">069</FONT> * Javadocs (DG);<a name="line.69"></a><FONT color="green">070</FONT> * 25-Jun-2002 : Removed redundant imports (DG);<a name="line.70"></a><FONT color="green">071</FONT> * 20-Aug-2002 : Changed the constructor for Marker (DG);<a name="line.71"></a><FONT color="green">072</FONT> * 28-Aug-2002 : Added listener notification to setDomainAxis() and <a name="line.72"></a><FONT color="green">073</FONT> * setRangeAxis() (DG);<a name="line.73"></a><FONT color="green">074</FONT> * 23-Sep-2002 : Added getLegendItems() method and fixed errors reported by <a name="line.74"></a><FONT color="green">075</FONT> * Checkstyle (DG);<a name="line.75"></a><FONT color="green">076</FONT> * 28-Oct-2002 : Changes to the CategoryDataset interface (DG);<a name="line.76"></a><FONT color="green">077</FONT> * 05-Nov-2002 : Base dataset is now TableDataset not CategoryDataset (DG);<a name="line.77"></a><FONT color="green">078</FONT> * 07-Nov-2002 : Renamed labelXXX as valueLabelXXX (DG);<a name="line.78"></a><FONT color="green">079</FONT> * 18-Nov-2002 : Added grid settings for both domain and range axis (previously<a name="line.79"></a><FONT color="green">080</FONT> * these were set in the axes) (DG);<a name="line.80"></a><FONT color="green">081</FONT> * 19-Nov-2002 : Added axis location parameters to constructor (DG);<a name="line.81"></a><FONT color="green">082</FONT> * 17-Jan-2003 : Moved to com.jrefinery.chart.plot package (DG);<a name="line.82"></a><FONT color="green">083</FONT> * 14-Feb-2003 : Fixed bug in auto-range calculation for secondary axis (DG);<a name="line.83"></a><FONT color="green">084</FONT> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.84"></a><FONT color="green">085</FONT> * 02-May-2003 : Moved render() method up from subclasses. Added secondary <a name="line.85"></a><FONT color="green">086</FONT> * range markers. Added an attribute to control the dataset <a name="line.86"></a><FONT color="green">087</FONT> * rendering order. Added a drawAnnotations() method. Changed <a name="line.87"></a><FONT color="green">088</FONT> * the axis location from an int to an AxisLocation (DG);<a name="line.88"></a><FONT color="green">089</FONT> * 07-May-2003 : Merged HorizontalCategoryPlot and VerticalCategoryPlot into <a name="line.89"></a><FONT color="green">090</FONT> * this class (DG);<a name="line.90"></a><FONT color="green">091</FONT> * 02-Jun-2003 : Removed check for range axis compatibility (DG);<a name="line.91"></a><FONT color="green">092</FONT> * 04-Jul-2003 : Added a domain gridline position attribute (DG);<a name="line.92"></a><FONT color="green">093</FONT> * 21-Jul-2003 : Moved DrawingSupplier to Plot superclass (DG);<a name="line.93"></a><FONT color="green">094</FONT> * 19-Aug-2003 : Added equals() method and implemented Cloneable (DG);<a name="line.94"></a><FONT color="green">095</FONT> * 01-Sep-2003 : Fixed bug 797466 (no change event when secondary dataset <a name="line.95"></a><FONT color="green">096</FONT> * changes) (DG);<a name="line.96"></a><FONT color="green">097</FONT> * 02-Sep-2003 : Fixed bug 795209 (wrong dataset checked in render2 method) and<a name="line.97"></a><FONT color="green">098</FONT> * 790407 (initialise method) (DG);<a name="line.98"></a><FONT color="green">099</FONT> * 08-Sep-2003 : Added internationalization via use of properties <a name="line.99"></a><FONT color="green">100</FONT> * resourceBundle (RFE 690236) (AL); <a name="line.100"></a><FONT color="green">101</FONT> * 08-Sep-2003 : Fixed bug (wrong secondary range axis being used). Changed <a name="line.101"></a><FONT color="green">102</FONT> * ValueAxis API (DG);<a name="line.102"></a><FONT color="green">103</FONT> * 10-Sep-2003 : Fixed bug in setRangeAxis() method (DG);<a name="line.103"></a><FONT color="green">104</FONT> * 15-Sep-2003 : Fixed two bugs in serialization, implemented <a name="line.104"></a><FONT color="green">105</FONT> * PublicCloneable (DG);<a name="line.105"></a><FONT color="green">106</FONT> * 23-Oct-2003 : Added event notification for changes to renderer (DG);<a name="line.106"></a><FONT color="green">107</FONT> * 26-Nov-2003 : Fixed bug (849645) in clearRangeMarkers() method (DG);<a name="line.107"></a><FONT color="green">108</FONT> * 03-Dec-2003 : Modified draw method to accept anchor (DG);<a name="line.108"></a><FONT color="green">109</FONT> * 21-Jan-2004 : Update for renamed method in ValueAxis (DG);<a name="line.109"></a><FONT color="green">110</FONT> * 10-Mar-2004 : Fixed bug in axis range calculation when secondary renderer is<a name="line.110"></a><FONT color="green">111</FONT> * stacked (DG);<a name="line.111"></a><FONT color="green">112</FONT> * 12-May-2004 : Added fixed legend items (DG);<a name="line.112"></a><FONT color="green">113</FONT> * 19-May-2004 : Added check for null legend item from renderer (DG);<a name="line.113"></a><FONT color="green">114</FONT> * 02-Jun-2004 : Updated the DatasetRenderingOrder class (DG);<a name="line.114"></a><FONT color="green">115</FONT> * 05-Nov-2004 : Renamed getDatasetsMappedToRangeAxis() <a name="line.115"></a><FONT color="green">116</FONT> * --> datasetsMappedToRangeAxis(), and ensured that returned <a name="line.116"></a><FONT color="green">117</FONT> * list doesn't contain null datasets (DG);<a name="line.117"></a><FONT color="green">118</FONT> * 12-Nov-2004 : Implemented new Zoomable interface (DG);<a name="line.118"></a><FONT color="green">119</FONT> * 07-Jan-2005 : Renamed getRangeExtent() --> findRangeBounds() in <a name="line.119"></a><FONT color="green">120</FONT> * CategoryItemRenderer (DG);<a name="line.120"></a><FONT color="green">121</FONT> * 04-May-2005 : Fixed serialization of range markers (DG);<a name="line.121"></a><FONT color="green">122</FONT> * 05-May-2005 : Updated draw() method parameters (DG);<a name="line.122"></a><FONT color="green">123</FONT> * 20-May-2005 : Added setDomainAxes() and setRangeAxes() methods, as per<a name="line.123"></a><FONT color="green">124</FONT> * RFE 1183100 (DG);<a name="line.124"></a><FONT color="green">125</FONT> * 01-Jun-2005 : Upon deserialization, register plot as a listener with its<a name="line.125"></a><FONT color="green">126</FONT> * axes, dataset(s) and renderer(s) - see patch 1209475 (DG);<a name="line.126"></a><FONT color="green">127</FONT> * 02-Jun-2005 : Added support for domain markers (DG);<a name="line.127"></a><FONT color="green">128</FONT> * 06-Jun-2005 : Fixed equals() method for use with GradientPaint (DG);<a name="line.128"></a><FONT color="green">129</FONT> * 09-Jun-2005 : Added setRenderers(), as per RFE 1183100 (DG);<a name="line.129"></a><FONT color="green">130</FONT> * 16-Jun-2005 : Added getDomainAxisCount() and getRangeAxisCount() methods, to<a name="line.130"></a><FONT color="green">131</FONT> * match XYPlot (see RFE 1220495) (DG);<a name="line.131"></a><FONT color="green">132</FONT> * ------------- JFreeChart 1.0.0 ---------------------------------------------<a name="line.132"></a><FONT color="green">133</FONT> * 11-Jan-2006 : Added configureRangeAxes() to rendererChanged(), since the<a name="line.133"></a><FONT color="green">134</FONT> * renderer might influence the axis range (DG);<a name="line.134"></a><FONT color="green">135</FONT> * 27-Jan-2006 : Added various null argument checks (DG);<a name="line.135"></a><FONT color="green">136</FONT> * 18-Aug-2006 : Added getDatasetCount() method, plus a fix for bug drawing <a name="line.136"></a><FONT color="green">137</FONT> * category labels, thanks to Adriaan Joubert (1277726) (DG);<a name="line.137"></a><FONT color="green">138</FONT> * <a name="line.138"></a>⌨️ 快捷键说明
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