📄 categorytablexydataset.html
字号:
<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 2000-2005, 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> * CategoryTableXYDataset.java<a name="line.28"></a><FONT color="green">029</FONT> * ---------------------------<a name="line.29"></a><FONT color="green">030</FONT> * (C) Copyright 2004, 2005, by Andreas Schroeder and Contributors.<a name="line.30"></a><FONT color="green">031</FONT> *<a name="line.31"></a><FONT color="green">032</FONT> * Original Author: Andreas Schroeder;<a name="line.32"></a><FONT color="green">033</FONT> * Contributor(s): David Gilbert (for Object Refinery Limited);<a name="line.33"></a><FONT color="green">034</FONT> *<a name="line.34"></a><FONT color="green">035</FONT> * $Id: CategoryTableXYDataset.java,v 1.7.2.2 2005/10/25 21:36:51 mungady Exp $<a name="line.35"></a><FONT color="green">036</FONT> *<a name="line.36"></a><FONT color="green">037</FONT> * Changes<a name="line.37"></a><FONT color="green">038</FONT> * -------<a name="line.38"></a><FONT color="green">039</FONT> * 31-Mar-2004 : Version 1 (AS);<a name="line.39"></a><FONT color="green">040</FONT> * 05-May-2004 : Now extends AbstractIntervalXYDataset (DG);<a name="line.40"></a><FONT color="green">041</FONT> * 15-Jul-2004 : Switched interval access method names (DG);<a name="line.41"></a><FONT color="green">042</FONT> * 18-Aug-2004 : Moved from org.jfree.data --> org.jfree.data.xy (DG);<a name="line.42"></a><FONT color="green">043</FONT> * 17-Nov-2004 : Updates required by changes to DomainInfo interface (DG);<a name="line.43"></a><FONT color="green">044</FONT> * 11-Jan-2005 : Removed deprecated code in preparation for 1.0.0 release (DG);<a name="line.44"></a><FONT color="green">045</FONT> * 05-Oct-2005 : Made the interval delegate a dataset change listener (DG);<a name="line.45"></a><FONT color="green">046</FONT> *<a name="line.46"></a><FONT color="green">047</FONT> */<a name="line.47"></a><FONT color="green">048</FONT> <a name="line.48"></a><FONT color="green">049</FONT> package org.jfree.data.xy;<a name="line.49"></a><FONT color="green">050</FONT> <a name="line.50"></a><FONT color="green">051</FONT> import org.jfree.data.DefaultKeyedValues2D;<a name="line.51"></a><FONT color="green">052</FONT> import org.jfree.data.DomainInfo;<a name="line.52"></a><FONT color="green">053</FONT> import org.jfree.data.Range;<a name="line.53"></a><FONT color="green">054</FONT> import org.jfree.data.general.DatasetChangeEvent;<a name="line.54"></a><FONT color="green">055</FONT> import org.jfree.data.general.DatasetUtilities;<a name="line.55"></a><FONT color="green">056</FONT> <a name="line.56"></a><FONT color="green">057</FONT> /**<a name="line.57"></a><FONT color="green">058</FONT> * An implementation variant of the {@link TableXYDataset} where every series <a name="line.58"></a><FONT color="green">059</FONT> * shares the same x-values (required for generating stacked area charts). <a name="line.59"></a><FONT color="green">060</FONT> * This implementation uses a {@link DefaultKeyedValues2D} Object as backend <a name="line.60"></a><FONT color="green">061</FONT> * implementation and is hence more "category oriented" than the {@link <a name="line.61"></a><FONT color="green">062</FONT> * DefaultTableXYDataset} implementation.<a name="line.62"></a><FONT color="green">063</FONT> * <p><a name="line.63"></a><FONT color="green">064</FONT> * This implementation provides no means to remove data items yet.<a name="line.64"></a><FONT color="green">065</FONT> * This is due to the lack of such facility in the DefaultKeyedValues2D class.<a name="line.65"></a><FONT color="green">066</FONT> * <p><a name="line.66"></a><FONT color="green">067</FONT> * This class also implements the {@link IntervalXYDataset} interface, but this<a name="line.67"></a><FONT color="green">068</FONT> * implementation is provisional. <a name="line.68"></a><FONT color="green">069</FONT> * <a name="line.69"></a><FONT color="green">070</FONT> * @author Andreas Schroeder<a name="line.70"></a><FONT color="green">071</FONT> */<a name="line.71"></a><FONT color="green">072</FONT> public class CategoryTableXYDataset extends AbstractIntervalXYDataset<a name="line.72"></a><FONT color="green">073</FONT> implements TableXYDataset, <a name="line.73"></a><FONT color="green">074</FONT> IntervalXYDataset, <a name="line.74"></a><FONT color="green">075</FONT> DomainInfo {<a name="line.75"></a><FONT color="green">076</FONT> <a name="line.76"></a><FONT color="green">077</FONT> /**<a name="line.77"></a><FONT color="green">078</FONT> * The backing data structure.<a name="line.78"></a><FONT color="green">079</FONT> */<a name="line.79"></a><FONT color="green">080</FONT> private DefaultKeyedValues2D values;<a name="line.80"></a><FONT color="green">081</FONT> <a name="line.81"></a><FONT color="green">082</FONT> /** A delegate for controlling the interval width. */<a name="line.82"></a><FONT color="green">083</FONT> private IntervalXYDelegate intervalDelegate;<a name="line.83"></a><FONT color="green">084</FONT> <a name="line.84"></a><FONT color="green">085</FONT> /**<a name="line.85"></a><FONT color="green">086</FONT> * Creates a new empty CategoryTableXYDataset.<a name="line.86"></a><FONT color="green">087</FONT> */<a name="line.87"></a><FONT color="green">088</FONT> public CategoryTableXYDataset() {<a name="line.88"></a><FONT color="green">089</FONT> this.values = new DefaultKeyedValues2D(true);<a name="line.89"></a><FONT color="green">090</FONT> this.intervalDelegate = new IntervalXYDelegate(this);<a name="line.90"></a><FONT color="green">091</FONT> addChangeListener(this.intervalDelegate);<a name="line.91"></a><FONT color="green">092</FONT> }<a name="line.92"></a><FONT color="green">093</FONT> <a name="line.93"></a><FONT color="green">094</FONT> /**<a name="line.94"></a><FONT color="green">095</FONT> * Adds a data item to this dataset and sends a {@link DatasetChangeEvent} <a name="line.95"></a><FONT color="green">096</FONT> * to all registered listeners.<a name="line.96"></a><FONT color="green">097</FONT> * <a name="line.97"></a><FONT color="green">098</FONT> * @param x the x value.<a name="line.98"></a><FONT color="green">099</FONT> * @param y the y value.<a name="line.99"></a><FONT color="green">100</FONT> * @param seriesName the name of the series to add the data item.<a name="line.100"></a><FONT color="green">101</FONT> */<a name="line.101"></a><FONT color="green">102</FONT> public void add(double x, double y, String seriesName) {<a name="line.102"></a><FONT color="green">103</FONT> add(new Double(x), new Double(y), seriesName, true);<a name="line.103"></a><FONT color="green">104</FONT> }<a name="line.104"></a><FONT color="green">105</FONT> <a name="line.105"></a><FONT color="green">106</FONT> /**<a name="line.106"></a><FONT color="green">107</FONT> * Adds a data item to this dataset and, if requested, sends a <a name="line.107"></a><FONT color="green">108</FONT> * {@link DatasetChangeEvent} to all registered listeners.<a name="line.108"></a><FONT color="green">109</FONT> * <a name="line.109"></a><FONT color="green">110</FONT> * @param x the x value.<a name="line.110"></a><FONT color="green">111</FONT> * @param y the y value.<a name="line.111"></a><FONT color="green">112</FONT> * @param seriesName the name of the series to add the data item.<a name="line.112"></a><FONT color="green">113</FONT> * @param notify notify listeners?<a name="line.113"></a><FONT color="green">114</FONT> */<a name="line.114"></a><FONT color="green">115</FONT> public void add(Number x, Number y, String seriesName, boolean notify) {<a name="line.115"></a><FONT color="green">116</FONT> this.values.addValue(y, (Comparable) x, seriesName);<a name="line.116"></a><FONT color="green">117</FONT> if (notify) {<a name="line.117"></a><FONT color="green">118</FONT> fireDatasetChanged();<a name="line.118"></a><FONT color="green">119</FONT> }<a name="line.119"></a><FONT color="green">120</FONT> }<a name="line.120"></a><FONT color="green">121</FONT> <a name="line.121"></a><FONT color="green">122</FONT> /**<a name="line.122"></a><FONT color="green">123</FONT> * Removes a value from the dataset.<a name="line.123"></a><FONT color="green">124</FONT> * <a name="line.124"></a><FONT color="green">125</FONT> * @param x the x-value.<a name="line.125"></a><FONT color="green">126</FONT> * @param seriesName the series name.<a name="line.126"></a><FONT color="green">127</FONT> */<a name="line.127"></a><FONT color="green">128</FONT> public void remove(double x, String seriesName) {<a name="line.128"></a><FONT color="green">129</FONT> remove(new Double(x), seriesName, true);<a name="line.129"></a><FONT color="green">130</FONT> }<a name="line.130"></a><FONT color="green">131</FONT> <a name="line.131"></a><FONT color="green">132</FONT> /**<a name="line.132"></a><FONT color="green">133</FONT> * Removes an item from the dataset.<a name="line.133"></a><FONT color="green">134</FONT> * <a name="line.134"></a><FONT color="green">135</FONT> * @param x the x-value.<a name="line.135"></a><FONT color="green">136</FONT> * @param seriesName the series name.<a name="line.136"></a><FONT color="green">137</FONT> * @param notify notify listeners?<a name="line.137"></a><FONT color="green">138</FONT> */<a name="line.138"></a><FONT color="green">139</FONT> public void remove(Number x, String seriesName, boolean notify) {<a name="line.139"></a><FONT color="green">140</FONT> this.values.removeValue((Comparable) x, seriesName);<a name="line.140"></a><FONT color="green">141</FONT> if (notify) {<a name="line.141"></a><FONT color="green">142</FONT> fireDatasetChanged();<a name="line.142"></a><FONT color="green">143</FONT> }<a name="line.143"></a><FONT color="green">144</FONT> }<a name="line.144"></a><FONT color="green">145</FONT> <a name="line.145"></a><FONT color="green">146</FONT> <a name="line.146"></a><FONT color="green">147</FONT> /**<a name="line.147"></a><FONT color="green">148</FONT> * Returns the number of series in the collection.<a name="line.148"></a>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -