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PolarChartPanel.html

PolarChartPanel.html 24 KB
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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    2. 

  2. <html lang="en">
    3. 

  3. <head>
    4. 

  4. <title>Source code</title>
    5. 

  5. <link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
    6. 

  6. </head>
    7. 

  7. <body>
    8. 

  8. <div class="sourceContainer">
    9. 

  9. <pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
    10. 

  10. <span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
    11. 

  11. <span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
    12. 

  12. <span class="sourceLineNo">004</span> *<a name="line.4"></a>
    13. 

  13. <span class="sourceLineNo">005</span> * (C) Copyright 2000-2013, by Object Refinery Limited and Contributors.<a name="line.5"></a>
    14. 

  14. <span class="sourceLineNo">006</span> *<a name="line.6"></a>
    15. 

  15. <span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
    16. 

  16. <span class="sourceLineNo">008</span> *<a name="line.8"></a>
    17. 

  17. <span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
    18. 

  18. <span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
    19. 

  19. <span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
    20. 

  20. <span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
    21. 

  21. <span class="sourceLineNo">013</span> *<a name="line.13"></a>
    22. 

  22. <span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
    23. 

  23. <span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
    24. 

  24. <span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
    25. 

  25. <span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
    26. 

  26. <span class="sourceLineNo">018</span> *<a name="line.18"></a>
    27. 

  27. <span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
    28. 

  28. <span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
    29. 

  29. <span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
    30. 

  30. <span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
    31. 

  31. <span class="sourceLineNo">023</span> *<a name="line.23"></a>
    32. 

  32. <span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
    33. 

  33. <span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
    34. 

  34. <span class="sourceLineNo">026</span> *<a name="line.26"></a>
    35. 

  35. <span class="sourceLineNo">027</span> * --------------------<a name="line.27"></a>
    36. 

  36. <span class="sourceLineNo">028</span> * PolarChartPanel.java<a name="line.28"></a>
    37. 

  37. <span class="sourceLineNo">029</span> * --------------------<a name="line.29"></a>
    38. 

  38. <span class="sourceLineNo">030</span> * (C) Copyright 2004-2013, by Solution Engineering, Inc. and Contributors.<a name="line.30"></a>
    39. 

  39. <span class="sourceLineNo">031</span> *<a name="line.31"></a>
    40. 

  40. <span class="sourceLineNo">032</span> * Original Author:  Daniel Bridenbecker, Solution Engineering, Inc.;<a name="line.32"></a>
    41. 

  41. <span class="sourceLineNo">033</span> * Contributor(s):   David Gilbert (for Object Refinery Limited);<a name="line.33"></a>
    42. 

  42. <span class="sourceLineNo">034</span> *                   Martin Hoeller;<a name="line.34"></a>
    43. 

  43. <span class="sourceLineNo">035</span> *<a name="line.35"></a>
    44. 

  44. <span class="sourceLineNo">036</span> * Changes<a name="line.36"></a>
    45. 

  45. <span class="sourceLineNo">037</span> * -------<a name="line.37"></a>
    46. 

  46. <span class="sourceLineNo">038</span> * 19-Jan-2004 : Version 1, contributed by DB with minor changes by DG (DG);<a name="line.38"></a>
    47. 

  47. <span class="sourceLineNo">039</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.39"></a>
    48. 

  48. <span class="sourceLineNo">040</span> * 02-Feb-2007 : Removed author tags all over JFreeChart sources (DG);<a name="line.40"></a>
    49. 

  49. <span class="sourceLineNo">041</span> * 10-Oct-2011 : bug #3165708: localization (MH);<a name="line.41"></a>
    50. 

  50. <span class="sourceLineNo">042</span> *<a name="line.42"></a>
    51. 

  51. <span class="sourceLineNo">043</span> */<a name="line.43"></a>
    52. 

  52. <span class="sourceLineNo">044</span><a name="line.44"></a>
    53. 

  53. <span class="sourceLineNo">045</span>package org.jfree.chart;<a name="line.45"></a>
    54. 

  54. <span class="sourceLineNo">046</span><a name="line.46"></a>
    55. 

  55. <span class="sourceLineNo">047</span>import java.awt.Component;<a name="line.47"></a>
    56. 

  56. <span class="sourceLineNo">048</span>import java.awt.event.ActionEvent;<a name="line.48"></a>
    57. 

  57. <span class="sourceLineNo">049</span><a name="line.49"></a>
    58. 

  58. <span class="sourceLineNo">050</span>import javax.swing.JMenuItem;<a name="line.50"></a>
    59. 

  59. <span class="sourceLineNo">051</span>import javax.swing.JPopupMenu;<a name="line.51"></a>
    60. 

  60. <span class="sourceLineNo">052</span><a name="line.52"></a>
    61. 

  61. <span class="sourceLineNo">053</span>import org.jfree.chart.plot.Plot;<a name="line.53"></a>
    62. 

  62. <span class="sourceLineNo">054</span>import org.jfree.chart.plot.PolarPlot;<a name="line.54"></a>
    63. 

  63. <span class="sourceLineNo">055</span><a name="line.55"></a>
    64. 

  64. <span class="sourceLineNo">056</span>/**<a name="line.56"></a>
    65. 

  65. <span class="sourceLineNo">057</span> * &lt;code&gt;PolarChartPanel&lt;/code&gt; is the top level object for using the<a name="line.57"></a>
    66. 

  66. <span class="sourceLineNo">058</span> * {@link PolarPlot}. Since this class has a &lt;code&gt;JPanel&lt;/code&gt; in the<a name="line.58"></a>
    67. 

  67. <span class="sourceLineNo">059</span> * inheritance hierarchy, one uses this class to integrate the Polar plot into<a name="line.59"></a>
    68. 

  68. <span class="sourceLineNo">060</span> * their application.<a name="line.60"></a>
    69. 

  69. <span class="sourceLineNo">061</span> * &lt;p&gt;<a name="line.61"></a>
    70. 

  70. <span class="sourceLineNo">062</span> * The main modification to &lt;code&gt;ChartPanel&lt;/code&gt; is the popup menu.  It<a name="line.62"></a>
    71. 

  71. <span class="sourceLineNo">063</span> * removes &lt;code&gt;ChartPanel&lt;/code&gt;'s versions of:<a name="line.63"></a>
    72. 

  72. <span class="sourceLineNo">064</span> * &lt;ul&gt;<a name="line.64"></a>
    73. 

  73. <span class="sourceLineNo">065</span> *    &lt;li&gt;&lt;code&gt;Zoom In&lt;/code&gt;&lt;/li&gt;<a name="line.65"></a>
    74. 

  74. <span class="sourceLineNo">066</span> *    &lt;li&gt;&lt;code&gt;Zoom Out&lt;/code&gt;&lt;/li&gt;<a name="line.66"></a>
    75. 

  75. <span class="sourceLineNo">067</span> *    &lt;li&gt;&lt;code&gt;Auto Range&lt;/code&gt;&lt;/li&gt;<a name="line.67"></a>
    76. 

  76. <span class="sourceLineNo">068</span> * &lt;/ul&gt;<a name="line.68"></a>
    77. 

  77. <span class="sourceLineNo">069</span> * and replaces them with versions more appropriate for {@link PolarPlot}.<a name="line.69"></a>
    78. 

  78. <span class="sourceLineNo">070</span> */<a name="line.70"></a>
    79. 

  79. <span class="sourceLineNo">071</span>public class PolarChartPanel extends ChartPanel {<a name="line.71"></a>
    80. 

  80. <span class="sourceLineNo">072</span><a name="line.72"></a>
    81. 

  81. <span class="sourceLineNo">073</span>    // -----------------<a name="line.73"></a>
    82. 

  82. <span class="sourceLineNo">074</span>    // --- Constants ---<a name="line.74"></a>
    83. 

  83. <span class="sourceLineNo">075</span>    // -----------------<a name="line.75"></a>
    84. 

  84. <span class="sourceLineNo">076</span><a name="line.76"></a>
    85. 

  85. <span class="sourceLineNo">077</span>    /** Zoom in command string. */<a name="line.77"></a>
    86. 

  86. <span class="sourceLineNo">078</span>    private static final String POLAR_ZOOM_IN_ACTION_COMMAND = "Polar Zoom In";<a name="line.78"></a>
    87. 

  87. <span class="sourceLineNo">079</span><a name="line.79"></a>
    88. 

  88. <span class="sourceLineNo">080</span>    /** Zoom out command string. */<a name="line.80"></a>
    89. 

  89. <span class="sourceLineNo">081</span>    private static final String POLAR_ZOOM_OUT_ACTION_COMMAND<a name="line.81"></a>
    90. 

  90. <span class="sourceLineNo">082</span>        = "Polar Zoom Out";<a name="line.82"></a>
    91. 

  91. <span class="sourceLineNo">083</span><a name="line.83"></a>
    92. 

  92. <span class="sourceLineNo">084</span>    /** Auto range command string. */<a name="line.84"></a>
    93. 

  93. <span class="sourceLineNo">085</span>    private static final String POLAR_AUTO_RANGE_ACTION_COMMAND<a name="line.85"></a>
    94. 

  94. <span class="sourceLineNo">086</span>        = "Polar Auto Range";<a name="line.86"></a>
    95. 

  95. <span class="sourceLineNo">087</span><a name="line.87"></a>
    96. 

  96. <span class="sourceLineNo">088</span>    // ------------------------<a name="line.88"></a>
    97. 

  97. <span class="sourceLineNo">089</span>    // --- Member Variables ---<a name="line.89"></a>
    98. 

  98. <span class="sourceLineNo">090</span>    // ------------------------<a name="line.90"></a>
    99. 

  99. <span class="sourceLineNo">091</span><a name="line.91"></a>
    100. 

  100. <span class="sourceLineNo">092</span>    // --------------------<a name="line.92"></a>
    101. 

  101. <span class="sourceLineNo">093</span>    // --- Constructors ---<a name="line.93"></a>
    102. 

  102. <span class="sourceLineNo">094</span>    // --------------------<a name="line.94"></a>
    103. 

  103. <span class="sourceLineNo">095</span>    /**<a name="line.95"></a>
    104. 

  104. <span class="sourceLineNo">096</span>     * Constructs a JFreeChart panel.<a name="line.96"></a>
    105. 

  105. <span class="sourceLineNo">097</span>     *<a name="line.97"></a>
    106. 

  106. <span class="sourceLineNo">098</span>     * @param chart  the chart.<a name="line.98"></a>
    107. 

  107. <span class="sourceLineNo">099</span>     */<a name="line.99"></a>
    108. 

  108. <span class="sourceLineNo">100</span>    public PolarChartPanel(JFreeChart chart) {<a name="line.100"></a>
    109. 

  109. <span class="sourceLineNo">101</span>        this(chart, true);<a name="line.101"></a>
    110. 

  110. <span class="sourceLineNo">102</span>    }<a name="line.102"></a>
    111. 

  111. <span class="sourceLineNo">103</span><a name="line.103"></a>
    112. 

  112. <span class="sourceLineNo">104</span>    /**<a name="line.104"></a>
    113. 

  113. <span class="sourceLineNo">105</span>     * Creates a new panel.<a name="line.105"></a>
    114. 

  114. <span class="sourceLineNo">106</span>     *<a name="line.106"></a>
    115. 

  115. <span class="sourceLineNo">107</span>     * @param chart  the chart.<a name="line.107"></a>
    116. 

  116. <span class="sourceLineNo">108</span>     * @param useBuffer  buffered?<a name="line.108"></a>
    117. 

  117. <span class="sourceLineNo">109</span>     */<a name="line.109"></a>
    118. 

  118. <span class="sourceLineNo">110</span>    public PolarChartPanel(JFreeChart chart, boolean useBuffer) {<a name="line.110"></a>
    119. 

  119. <span class="sourceLineNo">111</span>        super(chart, useBuffer);<a name="line.111"></a>
    120. 

  120. <span class="sourceLineNo">112</span>        checkChart(chart);<a name="line.112"></a>
    121. 

  121. <span class="sourceLineNo">113</span>        setMinimumDrawWidth(200);<a name="line.113"></a>
    122. 

  122. <span class="sourceLineNo">114</span>        setMinimumDrawHeight(200);<a name="line.114"></a>
    123. 

  123. <span class="sourceLineNo">115</span>        setMaximumDrawWidth(2000);<a name="line.115"></a>
    124. 

  124. <span class="sourceLineNo">116</span>        setMaximumDrawHeight(2000);<a name="line.116"></a>
    125. 

  125. <span class="sourceLineNo">117</span>    }<a name="line.117"></a>
    126. 

  126. <span class="sourceLineNo">118</span><a name="line.118"></a>
    127. 

  127. <span class="sourceLineNo">119</span>    // --------------------------<a name="line.119"></a>
    128. 

  128. <span class="sourceLineNo">120</span>    // --- ChartPanel Methods ---<a name="line.120"></a>
    129. 

  129. <span class="sourceLineNo">121</span>    // --------------------------<a name="line.121"></a>
    130. 

  130. <span class="sourceLineNo">122</span>    /**<a name="line.122"></a>
    131. 

  131. <span class="sourceLineNo">123</span>     * Sets the chart that is displayed in the panel.<a name="line.123"></a>
    132. 

  132. <span class="sourceLineNo">124</span>     *<a name="line.124"></a>
    133. 

  133. <span class="sourceLineNo">125</span>     * @param chart  The chart.<a name="line.125"></a>
    134. 

  134. <span class="sourceLineNo">126</span>     */<a name="line.126"></a>
    135. 

  135. <span class="sourceLineNo">127</span>    @Override<a name="line.127"></a>
    136. 

  136. <span class="sourceLineNo">128</span>    public void setChart(JFreeChart chart) {<a name="line.128"></a>
    137. 

  137. <span class="sourceLineNo">129</span>        checkChart(chart);<a name="line.129"></a>
    138. 

  138. <span class="sourceLineNo">130</span>        super.setChart(chart);<a name="line.130"></a>
    139. 

  139. <span class="sourceLineNo">131</span>    }<a name="line.131"></a>
    140. 

  140. <span class="sourceLineNo">132</span><a name="line.132"></a>
    141. 

  141. <span class="sourceLineNo">133</span>    /**<a name="line.133"></a>
    142. 

  142. <span class="sourceLineNo">134</span>     * Creates a popup menu for the panel.<a name="line.134"></a>
    143. 

  143. <span class="sourceLineNo">135</span>     *<a name="line.135"></a>
    144. 

  144. <span class="sourceLineNo">136</span>     * @param properties  include a menu item for the chart property editor.<a name="line.136"></a>
    145. 

  145. <span class="sourceLineNo">137</span>     * @param save  include a menu item for saving the chart.<a name="line.137"></a>
    146. 

  146. <span class="sourceLineNo">138</span>     * @param print  include a menu item for printing the chart.<a name="line.138"></a>
    147. 

  147. <span class="sourceLineNo">139</span>     * @param zoom  include menu items for zooming.<a name="line.139"></a>
    148. 

  148. <span class="sourceLineNo">140</span>     *<a name="line.140"></a>
    149. 

  149. <span class="sourceLineNo">141</span>     * @return The popup menu.<a name="line.141"></a>
    150. 

  150. <span class="sourceLineNo">142</span>     */<a name="line.142"></a>
    151. 

  151. <span class="sourceLineNo">143</span>    @Override<a name="line.143"></a>
    152. 

  152. <span class="sourceLineNo">144</span>    protected JPopupMenu createPopupMenu(boolean properties, boolean save,<a name="line.144"></a>
    153. 

  153. <span class="sourceLineNo">145</span>            boolean print, boolean zoom) {<a name="line.145"></a>
    154. 

  154. <span class="sourceLineNo">146</span><a name="line.146"></a>
    155. 

  155. <span class="sourceLineNo">147</span>       JPopupMenu result = super.createPopupMenu(properties, save, print, zoom);<a name="line.147"></a>
    156. 

  156. <span class="sourceLineNo">148</span>       int zoomInIndex = getPopupMenuItem(result,<a name="line.148"></a>
    157. 

  157. <span class="sourceLineNo">149</span>               localizationResources.getString("Zoom_In"));<a name="line.149"></a>
    158. 

  158. <span class="sourceLineNo">150</span>       int zoomOutIndex = getPopupMenuItem(result,<a name="line.150"></a>
    159. 

  159. <span class="sourceLineNo">151</span>               localizationResources.getString("Zoom_Out"));<a name="line.151"></a>
    160. 

  160. <span class="sourceLineNo">152</span>       int autoIndex = getPopupMenuItem(result,<a name="line.152"></a>
    161. 

  161. <span class="sourceLineNo">153</span>               localizationResources.getString("Auto_Range"));<a name="line.153"></a>
    162. 

  162. <span class="sourceLineNo">154</span>       if (zoom) {<a name="line.154"></a>
    163. 

  163. <span class="sourceLineNo">155</span>           JMenuItem zoomIn = new JMenuItem(<a name="line.155"></a>
    164. 

  164. <span class="sourceLineNo">156</span>                   localizationResources.getString("Zoom_In"));<a name="line.156"></a>
    165. 

  165. <span class="sourceLineNo">157</span>           zoomIn.setActionCommand(POLAR_ZOOM_IN_ACTION_COMMAND);<a name="line.157"></a>
    166. 

  166. <span class="sourceLineNo">158</span>           zoomIn.addActionListener(this);<a name="line.158"></a>
    167. 

  167. <span class="sourceLineNo">159</span><a name="line.159"></a>
    168. 

  168. <span class="sourceLineNo">160</span>           JMenuItem zoomOut = new JMenuItem(<a name="line.160"></a>
    169. 

  169. <span class="sourceLineNo">161</span>                   localizationResources.getString("Zoom_Out"));<a name="line.161"></a>
    170. 

  170. <span class="sourceLineNo">162</span>           zoomOut.setActionCommand(POLAR_ZOOM_OUT_ACTION_COMMAND);<a name="line.162"></a>
    171. 

  171. <span class="sourceLineNo">163</span>           zoomOut.addActionListener(this);<a name="line.163"></a>
    172. 

  172. <span class="sourceLineNo">164</span><a name="line.164"></a>
    173. 

  173. <span class="sourceLineNo">165</span>           JMenuItem auto = new JMenuItem(<a name="line.165"></a>
    174. 

  174. <span class="sourceLineNo">166</span>                   localizationResources.getString("Auto_Range"));<a name="line.166"></a>
    175. 

  175. <span class="sourceLineNo">167</span>           auto.setActionCommand(POLAR_AUTO_RANGE_ACTION_COMMAND);<a name="line.167"></a>
    176. 

  176. <span class="sourceLineNo">168</span>           auto.addActionListener(this);<a name="line.168"></a>
    177. 

  177. <span class="sourceLineNo">169</span><a name="line.169"></a>
    178. 

  178. <span class="sourceLineNo">170</span>           if (zoomInIndex != -1) {<a name="line.170"></a>
    179. 

  179. <span class="sourceLineNo">171</span>               result.remove(zoomInIndex);<a name="line.171"></a>
    180. 

  180. <span class="sourceLineNo">172</span>           }<a name="line.172"></a>
    181. 

  181. <span class="sourceLineNo">173</span>           else {<a name="line.173"></a>
    182. 

  182. <span class="sourceLineNo">174</span>               zoomInIndex = result.getComponentCount() - 1;<a name="line.174"></a>
    183. 

  183. <span class="sourceLineNo">175</span>           }<a name="line.175"></a>
    184. 

  184. <span class="sourceLineNo">176</span>           result.add(zoomIn, zoomInIndex);<a name="line.176"></a>
    185. 

  185. <span class="sourceLineNo">177</span>           if (zoomOutIndex != -1) {<a name="line.177"></a>
    186. 

  186. <span class="sourceLineNo">178</span>               result.remove(zoomOutIndex);<a name="line.178"></a>
    187. 

  187. <span class="sourceLineNo">179</span>           }<a name="line.179"></a>
    188. 

  188. <span class="sourceLineNo">180</span>           else {<a name="line.180"></a>
    189. 

  189. <span class="sourceLineNo">181</span>               zoomOutIndex = zoomInIndex + 1;<a name="line.181"></a>
    190. 

  190. <span class="sourceLineNo">182</span>           }<a name="line.182"></a>
    191. 

  191. <span class="sourceLineNo">183</span>           result.add(zoomOut, zoomOutIndex);<a name="line.183"></a>
    192. 

  192. <span class="sourceLineNo">184</span>           if (autoIndex != -1) {<a name="line.184"></a>
    193. 

  193. <span class="sourceLineNo">185</span>               result.remove(autoIndex);<a name="line.185"></a>
    194. 

  194. <span class="sourceLineNo">186</span>           }<a name="line.186"></a>
    195. 

  195. <span class="sourceLineNo">187</span>           else {<a name="line.187"></a>
    196. 

  196. <span class="sourceLineNo">188</span>               autoIndex = zoomOutIndex + 1;<a name="line.188"></a>
    197. 

  197. <span class="sourceLineNo">189</span>           }<a name="line.189"></a>
    198. 

  198. <span class="sourceLineNo">190</span>           result.add(auto, autoIndex);<a name="line.190"></a>
    199. 

  199. <span class="sourceLineNo">191</span>       }<a name="line.191"></a>
    200. 

  200. <span class="sourceLineNo">192</span>       return result;<a name="line.192"></a>
    201. 

  201. <span class="sourceLineNo">193</span>    }<a name="line.193"></a>
    202. 

  202. <span class="sourceLineNo">194</span><a name="line.194"></a>
    203. 

  203. <span class="sourceLineNo">195</span>    /**<a name="line.195"></a>
    204. 

  204. <span class="sourceLineNo">196</span>     * Handles action events generated by the popup menu.<a name="line.196"></a>
    205. 

  205. <span class="sourceLineNo">197</span>     *<a name="line.197"></a>
    206. 

  206. <span class="sourceLineNo">198</span>     * @param event  the event.<a name="line.198"></a>
    207. 

  207. <span class="sourceLineNo">199</span>     */<a name="line.199"></a>
    208. 

  208. <span class="sourceLineNo">200</span>    @Override<a name="line.200"></a>
    209. 

  209. <span class="sourceLineNo">201</span>    public void actionPerformed(ActionEvent event) {<a name="line.201"></a>
    210. 

  210. <span class="sourceLineNo">202</span>       String command = event.getActionCommand();<a name="line.202"></a>
    211. 

  211. <span class="sourceLineNo">203</span><a name="line.203"></a>
    212. 

  212. <span class="sourceLineNo">204</span>       if (command.equals(POLAR_ZOOM_IN_ACTION_COMMAND)) {<a name="line.204"></a>
    213. 

  213. <span class="sourceLineNo">205</span>           PolarPlot plot = (PolarPlot) getChart().getPlot();<a name="line.205"></a>
    214. 

  214. <span class="sourceLineNo">206</span>           plot.zoom(0.5);<a name="line.206"></a>
    215. 

  215. <span class="sourceLineNo">207</span>       }<a name="line.207"></a>
    216. 

  216. <span class="sourceLineNo">208</span>       else if (command.equals(POLAR_ZOOM_OUT_ACTION_COMMAND)) {<a name="line.208"></a>
    217. 

  217. <span class="sourceLineNo">209</span>           PolarPlot plot = (PolarPlot) getChart().getPlot();<a name="line.209"></a>
    218. 

  218. <span class="sourceLineNo">210</span>           plot.zoom(2.0);<a name="line.210"></a>
    219. 

  219. <span class="sourceLineNo">211</span>       }<a name="line.211"></a>
    220. 

  220. <span class="sourceLineNo">212</span>       else if (command.equals(POLAR_AUTO_RANGE_ACTION_COMMAND)) {<a name="line.212"></a>
    221. 

  221. <span class="sourceLineNo">213</span>           PolarPlot plot = (PolarPlot) getChart().getPlot();<a name="line.213"></a>
    222. 

  222. <span class="sourceLineNo">214</span>           plot.getAxis().setAutoRange(true);<a name="line.214"></a>
    223. 

  223. <span class="sourceLineNo">215</span>       }<a name="line.215"></a>
    224. 

  224. <span class="sourceLineNo">216</span>       else {<a name="line.216"></a>
    225. 

  225. <span class="sourceLineNo">217</span>           super.actionPerformed(event);<a name="line.217"></a>
    226. 

  226. <span class="sourceLineNo">218</span>       }<a name="line.218"></a>
    227. 

  227. <span class="sourceLineNo">219</span>    }<a name="line.219"></a>
    228. 

  228. <span class="sourceLineNo">220</span><a name="line.220"></a>
    229. 

  229. <span class="sourceLineNo">221</span>    // ----------------------<a name="line.221"></a>
    230. 

  230. <span class="sourceLineNo">222</span>    // --- Public Methods ---<a name="line.222"></a>
    231. 

  231. <span class="sourceLineNo">223</span>    // ----------------------<a name="line.223"></a>
    232. 

  232. <span class="sourceLineNo">224</span><a name="line.224"></a>
    233. 

  233. <span class="sourceLineNo">225</span>    // -----------------------<a name="line.225"></a>
    234. 

  234. <span class="sourceLineNo">226</span>    // --- Private Methods ---<a name="line.226"></a>
    235. 

  235. <span class="sourceLineNo">227</span>    // -----------------------<a name="line.227"></a>
    236. 

  236. <span class="sourceLineNo">228</span><a name="line.228"></a>
    237. 

  237. <span class="sourceLineNo">229</span>    /**<a name="line.229"></a>
    238. 

  238. <span class="sourceLineNo">230</span>     * Test that the chart is using an xy plot with time as the domain axis.<a name="line.230"></a>
    239. 

  239. <span class="sourceLineNo">231</span>     *<a name="line.231"></a>
    240. 

  240. <span class="sourceLineNo">232</span>     * @param chart  the chart.<a name="line.232"></a>
    241. 

  241. <span class="sourceLineNo">233</span>     */<a name="line.233"></a>
    242. 

  242. <span class="sourceLineNo">234</span>    private void checkChart(JFreeChart chart) {<a name="line.234"></a>
    243. 

  243. <span class="sourceLineNo">235</span>        Plot plot = chart.getPlot();<a name="line.235"></a>
    244. 

  244. <span class="sourceLineNo">236</span>        if (!(plot instanceof PolarPlot)) {<a name="line.236"></a>
    245. 

  245. <span class="sourceLineNo">237</span>            throw new IllegalArgumentException("plot is not a PolarPlot");<a name="line.237"></a>
    246. 

  246. <span class="sourceLineNo">238</span>       }<a name="line.238"></a>
    247. 

  247. <span class="sourceLineNo">239</span>    }<a name="line.239"></a>
    248. 

  248. <span class="sourceLineNo">240</span><a name="line.240"></a>
    249. 

  249. <span class="sourceLineNo">241</span>    /**<a name="line.241"></a>
    250. 

  250. <span class="sourceLineNo">242</span>     * Returns the index of an item in a popup menu.<a name="line.242"></a>
    251. 

  251. <span class="sourceLineNo">243</span>     *<a name="line.243"></a>
    252. 

  252. <span class="sourceLineNo">244</span>     * @param menu  the menu.<a name="line.244"></a>
    253. 

  253. <span class="sourceLineNo">245</span>     * @param text  the label.<a name="line.245"></a>
    254. 

  254. <span class="sourceLineNo">246</span>     *<a name="line.246"></a>
    255. 

  255. <span class="sourceLineNo">247</span>     * @return The item index.<a name="line.247"></a>
    256. 

  256. <span class="sourceLineNo">248</span>     */<a name="line.248"></a>
    257. 

  257. <span class="sourceLineNo">249</span>    private int getPopupMenuItem(JPopupMenu menu, String text) {<a name="line.249"></a>
    258. 

  258. <span class="sourceLineNo">250</span>        int index = -1;<a name="line.250"></a>
    259. 

  259. <span class="sourceLineNo">251</span>        for (int i = 0; (index == -1) &amp;&amp; (i &lt; menu.getComponentCount()); i++) {<a name="line.251"></a>
    260. 

  260. <span class="sourceLineNo">252</span>            Component comp = menu.getComponent(i);<a name="line.252"></a>
    261. 

  261. <span class="sourceLineNo">253</span>            if (comp instanceof JMenuItem) {<a name="line.253"></a>
    262. 

  262. <span class="sourceLineNo">254</span>                JMenuItem item = (JMenuItem) comp;<a name="line.254"></a>
    263. 

  263. <span class="sourceLineNo">255</span>                if (text.equals(item.getText())) {<a name="line.255"></a>
    264. 

  264. <span class="sourceLineNo">256</span>                    index = i;<a name="line.256"></a>
    265. 

  265. <span class="sourceLineNo">257</span>                }<a name="line.257"></a>
    266. 

  266. <span class="sourceLineNo">258</span>            }<a name="line.258"></a>
    267. 

  267. <span class="sourceLineNo">259</span>       }<a name="line.259"></a>
    268. 

  268. <span class="sourceLineNo">260</span>       return index;<a name="line.260"></a>
    269. 

  269. <span class="sourceLineNo">261</span>    }<a name="line.261"></a>
    270. 

  270. <span class="sourceLineNo">262</span><a name="line.262"></a>
    271. 

  271. <span class="sourceLineNo">263</span>}<a name="line.263"></a>
    272. 

  272. 

  273. 

  274. 

  275. 

  276. 

  277. 

  278. 

  279. 

  280. 

  281. 

  282. 

  283. 

  284. 

  285. 

  286. 

  287. 

  288. 

  289. 

  290. 

  291. 

  292. 

  293. 

  294. 

  295. 

  296. 

  297. 

  298. 

  299. 

  300. 

  301. 

  302. 

  303. 

  304. 

  305. 

  306. 

  307. 

  308. 

  309. 

  310. 

  311. 

  312. 

  313. 

  314. 

  315. 

  316. 

  317. 

  318. 

  319. 

  320. 

  321. 

  322. 

  323. 

  324. 

  325. 

  326. 

  327. 

  328. 

  329. 

  330. 

  331. 

  332. </pre>
    333. 

  333. </div>
    334. 

  334. </body>
    335. 

  335. </html>
    336.