📄 standardxyztooltipgenerator.html
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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 2000-2005, 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> * StandardXYZToolTipGenerator.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 Object Refinery Limited.<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): -;<a name="line.33"></a><FONT color="green">034</FONT> *<a name="line.34"></a><FONT color="green">035</FONT> * $Id: StandardXYZToolTipGenerator.java,v 1.5.2.1 2005/10/25 20:49:02 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> * 11-May-2003 : Version 1, split from StandardXYZItemLabelGenerator (DG);<a name="line.39"></a><FONT color="green">040</FONT> * 15-Jul-2004 : Switched getZ() and getZValue() methods (DG);<a name="line.40"></a><FONT color="green">041</FONT> *<a name="line.41"></a><FONT color="green">042</FONT> */<a name="line.42"></a><FONT color="green">043</FONT> <a name="line.43"></a><FONT color="green">044</FONT> package org.jfree.chart.labels;<a name="line.44"></a><FONT color="green">045</FONT> <a name="line.45"></a><FONT color="green">046</FONT> import java.io.Serializable;<a name="line.46"></a><FONT color="green">047</FONT> import java.text.DateFormat;<a name="line.47"></a><FONT color="green">048</FONT> import java.text.MessageFormat;<a name="line.48"></a><FONT color="green">049</FONT> import java.text.NumberFormat;<a name="line.49"></a><FONT color="green">050</FONT> <a name="line.50"></a><FONT color="green">051</FONT> import org.jfree.data.xy.XYDataset;<a name="line.51"></a><FONT color="green">052</FONT> import org.jfree.data.xy.XYZDataset;<a name="line.52"></a><FONT color="green">053</FONT> import org.jfree.util.ObjectUtilities;<a name="line.53"></a><FONT color="green">054</FONT> <a name="line.54"></a><FONT color="green">055</FONT> /**<a name="line.55"></a><FONT color="green">056</FONT> * A standard item label generator for use with {@link XYZDataset} data. Each <a name="line.56"></a><FONT color="green">057</FONT> * value can be formatted as a number or as a date.<a name="line.57"></a><FONT color="green">058</FONT> */<a name="line.58"></a><FONT color="green">059</FONT> public class StandardXYZToolTipGenerator extends StandardXYToolTipGenerator<a name="line.59"></a><FONT color="green">060</FONT> implements XYZToolTipGenerator,<a name="line.60"></a><FONT color="green">061</FONT> Serializable {<a name="line.61"></a><FONT color="green">062</FONT> <a name="line.62"></a><FONT color="green">063</FONT> /** For serialization. */<a name="line.63"></a><FONT color="green">064</FONT> private static final long serialVersionUID = -2961577421889473503L;<a name="line.64"></a><FONT color="green">065</FONT> <a name="line.65"></a><FONT color="green">066</FONT> /** The default tooltip format. */<a name="line.66"></a><FONT color="green">067</FONT> public static final String DEFAULT_TOOL_TIP_FORMAT = "{0}: ({1}, {2}, {3})";<a name="line.67"></a><FONT color="green">068</FONT> <a name="line.68"></a><FONT color="green">069</FONT> /** <a name="line.69"></a><FONT color="green">070</FONT> * A number formatter for the z value - if this is null, then zDateFormat <a name="line.70"></a><FONT color="green">071</FONT> * must be non-null. <a name="line.71"></a><FONT color="green">072</FONT> */<a name="line.72"></a><FONT color="green">073</FONT> private NumberFormat zFormat;<a name="line.73"></a><FONT color="green">074</FONT> <a name="line.74"></a><FONT color="green">075</FONT> /** <a name="line.75"></a><FONT color="green">076</FONT> * A date formatter for the z-value - if this is null, then zFormat must be <a name="line.76"></a><FONT color="green">077</FONT> * non-null. <a name="line.77"></a><FONT color="green">078</FONT> */<a name="line.78"></a><FONT color="green">079</FONT> private DateFormat zDateFormat;<a name="line.79"></a><FONT color="green">080</FONT> <a name="line.80"></a><FONT color="green">081</FONT> /**<a name="line.81"></a><FONT color="green">082</FONT> * Creates a new tool tip generator using default number formatters for the<a name="line.82"></a><FONT color="green">083</FONT> * x, y and z-values.<a name="line.83"></a><FONT color="green">084</FONT> */<a name="line.84"></a><FONT color="green">085</FONT> public StandardXYZToolTipGenerator() {<a name="line.85"></a><FONT color="green">086</FONT> this(<a name="line.86"></a><FONT color="green">087</FONT> DEFAULT_TOOL_TIP_FORMAT,<a name="line.87"></a><FONT color="green">088</FONT> NumberFormat.getNumberInstance(),<a name="line.88"></a><FONT color="green">089</FONT> NumberFormat.getNumberInstance(),<a name="line.89"></a><FONT color="green">090</FONT> NumberFormat.getNumberInstance()<a name="line.90"></a><FONT color="green">091</FONT> );<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> * Constructs a new tool tip generator using the specified number <a name="line.95"></a><FONT color="green">096</FONT> * formatters.<a name="line.96"></a><FONT color="green">097</FONT> *<a name="line.97"></a><FONT color="green">098</FONT> * @param formatString the format string.<a name="line.98"></a><FONT color="green">099</FONT> * @param xFormat the format object for the x values (<code>null</code> <a name="line.99"></a><FONT color="green">100</FONT> * not permitted).<a name="line.100"></a><FONT color="green">101</FONT> * @param yFormat the format object for the y values (<code>null</code> <a name="line.101"></a><FONT color="green">102</FONT> * not permitted).<a name="line.102"></a><FONT color="green">103</FONT> * @param zFormat the format object for the z values (<code>null</code> <a name="line.103"></a><FONT color="green">104</FONT> * not permitted).<a name="line.104"></a><FONT color="green">105</FONT> */<a name="line.105"></a><FONT color="green">106</FONT> public StandardXYZToolTipGenerator(String formatString,<a name="line.106"></a><FONT color="green">107</FONT> NumberFormat xFormat,<a name="line.107"></a><FONT color="green">108</FONT> NumberFormat yFormat,<a name="line.108"></a><FONT color="green">109</FONT> NumberFormat zFormat) {<a name="line.109"></a><FONT color="green">110</FONT> super(formatString, xFormat, yFormat);<a name="line.110"></a><FONT color="green">111</FONT> if (zFormat == null) {<a name="line.111"></a><FONT color="green">112</FONT> throw new IllegalArgumentException("Null 'zFormat' argument."); <a name="line.112"></a><FONT color="green">113</FONT> }<a name="line.113"></a><FONT color="green">114</FONT> this.zFormat = zFormat;<a name="line.114"></a><FONT color="green">115</FONT> }<a name="line.115"></a><FONT color="green">116</FONT> <a name="line.116"></a><FONT color="green">117</FONT> /**<a name="line.117"></a><FONT color="green">118</FONT> * Constructs a new tool tip generator using the specified date formatters.<a name="line.118"></a><FONT color="green">119</FONT> *<a name="line.119"></a><FONT color="green">120</FONT> * @param formatString the format string.<a name="line.120"></a><FONT color="green">121</FONT> * @param xFormat the format object for the x values (<code>null</code> <a name="line.121"></a><FONT color="green">122</FONT> * not permitted).<a name="line.122"></a><FONT color="green">123</FONT> * @param yFormat the format object for the y values (<code>null</code> <a name="line.123"></a><FONT color="green">124</FONT> * not permitted).<a name="line.124"></a><FONT color="green">125</FONT> * @param zFormat the format object for the z values (<code>null</code> <a name="line.125"></a><FONT color="green">126</FONT> * not permitted).<a name="line.126"></a><FONT color="green">127</FONT> */<a name="line.127"></a><FONT color="green">128</FONT> public StandardXYZToolTipGenerator(String formatString,<a name="line.128"></a><FONT color="green">129</FONT> DateFormat xFormat,<a name="line.129"></a><FONT color="green">130</FONT> DateFormat yFormat,<a name="line.130"></a><FONT color="green">131</FONT> DateFormat zFormat) {<a name="line.131"></a><FONT color="green">132</FONT> super(formatString, xFormat, yFormat);<a name="line.132"></a><FONT color="green">133</FONT> if (zFormat == null) {<a name="line.133"></a><FONT color="green">134</FONT> throw new IllegalArgumentException("Null 'zFormat' argument."); <a name="line.134"></a><FONT color="green">135</FONT> }<a name="line.135"></a><FONT color="green">136</FONT> this.zDateFormat = zFormat;<a name="line.136"></a><FONT color="green">137</FONT> }<a name="line.137"></a><FONT color="green">138</FONT> <a name="line.138"></a><FONT color="green">139</FONT> // TODO: add constructors for combinations of number and date formatters.<a name="line.139"></a><FONT color="green">140</FONT> <a name="line.140"></a><FONT color="green">141</FONT> /**<a name="line.141"></a><FONT color="green">142</FONT> * Returns the number formatter for the z-values.<a name="line.142"></a><FONT color="green">143</FONT> *<a name="line.143"></a><FONT color="green">144</FONT> * @return The number formatter (possibly <code>null</code>).<a name="line.144"></a><FONT color="green">145</FONT> */<a name="line.145"></a><FONT color="green">146</FONT> public NumberFormat getZFormat() {<a name="line.146"></a><FONT color="green">147</FONT> return this.zFormat;<a name="line.147"></a><FONT color="green">148</FONT> }<a name="line.148"></a><FONT color="green">149</FONT> <a name="line.149"></a><FONT color="green">150</FONT> /**<a name="line.150"></a><FONT color="green">151</FONT> * Returns the date formatter for the z-values.<a name="line.151"></a><FONT color="green">152</FONT> *<a name="line.152"></a><FONT color="green">153</FONT> * @return The date formatter (possibly <code>null</code>).<a name="line.153"></a><FONT color="green">154</FONT> */<a name="line.154"></a><FONT color="green">155</FONT> public DateFormat getZDateFormat() {<a name="line.155"></a><FONT color="green">156</FONT> return this.zDateFormat; <a name="line.156"></a><FONT color="green">157</FONT> }<a name="line.157"></a><FONT color="green">158</FONT> <a name="line.158"></a><FONT color="green">159</FONT> /**<a name="line.159"></a><FONT color="green">160</FONT> * Generates a tool tip text item for a particular item within a series.<a name="line.160"></a><FONT color="green">161</FONT> *<a name="line.161"></a><FONT color="green">162</FONT> * @param dataset the dataset (<code>null</code> not permitted).<a name="line.162"></a>⌨️ 快捷键说明
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