LegendTitle.html 64 KB

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  1. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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  4. <title>Source code</title>
  5. <link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
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  8. <div class="sourceContainer">
  9. <pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
  10. <span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
  11. <span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
  12. <span class="sourceLineNo">004</span> *<a name="line.4"></a>
  13. <span class="sourceLineNo">005</span> * (C) Copyright 2000-2013, by Object Refinery Limited and Contributors.<a name="line.5"></a>
  14. <span class="sourceLineNo">006</span> *<a name="line.6"></a>
  15. <span class="sourceLineNo">007</span> * Project Info: http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
  16. <span class="sourceLineNo">008</span> *<a name="line.8"></a>
  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. <span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
  19. <span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
  20. <span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
  21. <span class="sourceLineNo">013</span> *<a name="line.13"></a>
  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. <span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
  24. <span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
  25. <span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
  26. <span class="sourceLineNo">018</span> *<a name="line.18"></a>
  27. <span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
  28. <span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
  29. <span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,<a name="line.21"></a>
  30. <span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
  31. <span class="sourceLineNo">023</span> *<a name="line.23"></a>
  32. <span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
  33. <span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
  34. <span class="sourceLineNo">026</span> *<a name="line.26"></a>
  35. <span class="sourceLineNo">027</span> * ----------------<a name="line.27"></a>
  36. <span class="sourceLineNo">028</span> * LegendTitle.java<a name="line.28"></a>
  37. <span class="sourceLineNo">029</span> * ----------------<a name="line.29"></a>
  38. <span class="sourceLineNo">030</span> * (C) Copyright 2002-2013, by Object Refinery Limited.<a name="line.30"></a>
  39. <span class="sourceLineNo">031</span> *<a name="line.31"></a>
  40. <span class="sourceLineNo">032</span> * Original Author: David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
  41. <span class="sourceLineNo">033</span> * Contributor(s): Pierre-Marie Le Biot;<a name="line.33"></a>
  42. <span class="sourceLineNo">034</span> *<a name="line.34"></a>
  43. <span class="sourceLineNo">035</span> * Changes<a name="line.35"></a>
  44. <span class="sourceLineNo">036</span> * -------<a name="line.36"></a>
  45. <span class="sourceLineNo">037</span> * 25-Nov-2004 : First working version (DG);<a name="line.37"></a>
  46. <span class="sourceLineNo">038</span> * 11-Jan-2005 : Removed deprecated code in preparation for 1.0.0 release (DG);<a name="line.38"></a>
  47. <span class="sourceLineNo">039</span> * 08-Feb-2005 : Updated for changes in RectangleConstraint class (DG);<a name="line.39"></a>
  48. <span class="sourceLineNo">040</span> * 11-Feb-2005 : Implemented PublicCloneable (DG);<a name="line.40"></a>
  49. <span class="sourceLineNo">041</span> * 23-Feb-2005 : Replaced chart reference with LegendItemSource (DG);<a name="line.41"></a>
  50. <span class="sourceLineNo">042</span> * 16-Mar-2005 : Added itemFont attribute (DG);<a name="line.42"></a>
  51. <span class="sourceLineNo">043</span> * 17-Mar-2005 : Fixed missing fillShape setting (DG);<a name="line.43"></a>
  52. <span class="sourceLineNo">044</span> * 20-Apr-2005 : Added new draw() method (DG);<a name="line.44"></a>
  53. <span class="sourceLineNo">045</span> * 03-May-2005 : Modified equals() method to ignore sources (DG);<a name="line.45"></a>
  54. <span class="sourceLineNo">046</span> * 13-May-2005 : Added settings for legend item label and graphic padding (DG);<a name="line.46"></a>
  55. <span class="sourceLineNo">047</span> * 09-Jun-2005 : Fixed serialization bug (DG);<a name="line.47"></a>
  56. <span class="sourceLineNo">048</span> * 01-Sep-2005 : Added itemPaint attribute (PMLB);<a name="line.48"></a>
  57. <span class="sourceLineNo">049</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.49"></a>
  58. <span class="sourceLineNo">050</span> * 20-Jul-2006 : Use new LegendItemBlockContainer to restore support for<a name="line.50"></a>
  59. <span class="sourceLineNo">051</span> * LegendItemEntities (DG);<a name="line.51"></a>
  60. <span class="sourceLineNo">052</span> * 06-Oct-2006 : Add tooltip and URL text to legend item (DG);<a name="line.52"></a>
  61. <span class="sourceLineNo">053</span> * 13-Dec-2006 : Added support for GradientPaint in legend items (DG);<a name="line.53"></a>
  62. <span class="sourceLineNo">054</span> * 16-Mar-2007 : Updated border drawing for changes in AbstractBlock (DG);<a name="line.54"></a>
  63. <span class="sourceLineNo">055</span> * 18-May-2007 : Pass seriesKey and dataset to legend item block (DG);<a name="line.55"></a>
  64. <span class="sourceLineNo">056</span> * 15-Aug-2008 : Added getWrapper() method (DG);<a name="line.56"></a>
  65. <span class="sourceLineNo">057</span> * 19-Mar-2009 : Added entity support - see patch 2603321 by Peter Kolb (DG);<a name="line.57"></a>
  66. <span class="sourceLineNo">058</span> * 11-Mar-2012 : Added sort-order support - patch 3500621 by Simon Kaczor (MH);<a name="line.58"></a>
  67. <span class="sourceLineNo">059</span> * 03-Jul-2013 : Use ParamChecks (DG);<a name="line.59"></a>
  68. <span class="sourceLineNo">060</span> * <a name="line.60"></a>
  69. <span class="sourceLineNo">061</span> */<a name="line.61"></a>
  70. <span class="sourceLineNo">062</span><a name="line.62"></a>
  71. <span class="sourceLineNo">063</span>package org.jfree.chart.title;<a name="line.63"></a>
  72. <span class="sourceLineNo">064</span><a name="line.64"></a>
  73. <span class="sourceLineNo">065</span>import java.awt.Color;<a name="line.65"></a>
  74. <span class="sourceLineNo">066</span>import java.awt.Font;<a name="line.66"></a>
  75. <span class="sourceLineNo">067</span>import java.awt.Graphics2D;<a name="line.67"></a>
  76. <span class="sourceLineNo">068</span>import java.awt.Paint;<a name="line.68"></a>
  77. <span class="sourceLineNo">069</span>import java.awt.geom.Rectangle2D;<a name="line.69"></a>
  78. <span class="sourceLineNo">070</span>import java.io.IOException;<a name="line.70"></a>
  79. <span class="sourceLineNo">071</span>import java.io.ObjectInputStream;<a name="line.71"></a>
  80. <span class="sourceLineNo">072</span>import java.io.ObjectOutputStream;<a name="line.72"></a>
  81. <span class="sourceLineNo">073</span>import java.io.Serializable;<a name="line.73"></a>
  82. <span class="sourceLineNo">074</span><a name="line.74"></a>
  83. <span class="sourceLineNo">075</span>import org.jfree.chart.LegendItem;<a name="line.75"></a>
  84. <span class="sourceLineNo">076</span>import org.jfree.chart.LegendItemCollection;<a name="line.76"></a>
  85. <span class="sourceLineNo">077</span>import org.jfree.chart.LegendItemSource;<a name="line.77"></a>
  86. <span class="sourceLineNo">078</span>import org.jfree.chart.block.Arrangement;<a name="line.78"></a>
  87. <span class="sourceLineNo">079</span>import org.jfree.chart.block.Block;<a name="line.79"></a>
  88. <span class="sourceLineNo">080</span>import org.jfree.chart.block.BlockContainer;<a name="line.80"></a>
  89. <span class="sourceLineNo">081</span>import org.jfree.chart.block.BlockFrame;<a name="line.81"></a>
  90. <span class="sourceLineNo">082</span>import org.jfree.chart.block.BlockResult;<a name="line.82"></a>
  91. <span class="sourceLineNo">083</span>import org.jfree.chart.block.BorderArrangement;<a name="line.83"></a>
  92. <span class="sourceLineNo">084</span>import org.jfree.chart.block.CenterArrangement;<a name="line.84"></a>
  93. <span class="sourceLineNo">085</span>import org.jfree.chart.block.ColumnArrangement;<a name="line.85"></a>
  94. <span class="sourceLineNo">086</span>import org.jfree.chart.block.EntityBlockParams;<a name="line.86"></a>
  95. <span class="sourceLineNo">087</span>import org.jfree.chart.block.FlowArrangement;<a name="line.87"></a>
  96. <span class="sourceLineNo">088</span>import org.jfree.chart.block.LabelBlock;<a name="line.88"></a>
  97. <span class="sourceLineNo">089</span>import org.jfree.chart.block.RectangleConstraint;<a name="line.89"></a>
  98. <span class="sourceLineNo">090</span>import org.jfree.chart.entity.EntityCollection;<a name="line.90"></a>
  99. <span class="sourceLineNo">091</span>import org.jfree.chart.entity.StandardEntityCollection;<a name="line.91"></a>
  100. <span class="sourceLineNo">092</span>import org.jfree.chart.entity.TitleEntity;<a name="line.92"></a>
  101. <span class="sourceLineNo">093</span>import org.jfree.chart.event.TitleChangeEvent;<a name="line.93"></a>
  102. <span class="sourceLineNo">094</span>import org.jfree.chart.util.ParamChecks;<a name="line.94"></a>
  103. <span class="sourceLineNo">095</span>import org.jfree.io.SerialUtilities;<a name="line.95"></a>
  104. <span class="sourceLineNo">096</span>import org.jfree.ui.RectangleAnchor;<a name="line.96"></a>
  105. <span class="sourceLineNo">097</span>import org.jfree.ui.RectangleEdge;<a name="line.97"></a>
  106. <span class="sourceLineNo">098</span>import org.jfree.ui.RectangleInsets;<a name="line.98"></a>
  107. <span class="sourceLineNo">099</span>import org.jfree.ui.Size2D;<a name="line.99"></a>
  108. <span class="sourceLineNo">100</span>import org.jfree.util.PaintUtilities;<a name="line.100"></a>
  109. <span class="sourceLineNo">101</span>import org.jfree.util.PublicCloneable;<a name="line.101"></a>
  110. <span class="sourceLineNo">102</span>import org.jfree.util.SortOrder;<a name="line.102"></a>
  111. <span class="sourceLineNo">103</span><a name="line.103"></a>
  112. <span class="sourceLineNo">104</span>/**<a name="line.104"></a>
  113. <span class="sourceLineNo">105</span> * A chart title that displays a legend for the data in the chart.<a name="line.105"></a>
  114. <span class="sourceLineNo">106</span> * &lt;P&gt;<a name="line.106"></a>
  115. <span class="sourceLineNo">107</span> * The title can be populated with legend items manually, or you can assign a<a name="line.107"></a>
  116. <span class="sourceLineNo">108</span> * reference to the plot, in which case the legend items will be automatically<a name="line.108"></a>
  117. <span class="sourceLineNo">109</span> * created to match the dataset(s).<a name="line.109"></a>
  118. <span class="sourceLineNo">110</span> */<a name="line.110"></a>
  119. <span class="sourceLineNo">111</span>public class LegendTitle extends Title<a name="line.111"></a>
  120. <span class="sourceLineNo">112</span> implements Cloneable, PublicCloneable, Serializable {<a name="line.112"></a>
  121. <span class="sourceLineNo">113</span><a name="line.113"></a>
  122. <span class="sourceLineNo">114</span> /** For serialization. */<a name="line.114"></a>
  123. <span class="sourceLineNo">115</span> private static final long serialVersionUID = 2644010518533854633L;<a name="line.115"></a>
  124. <span class="sourceLineNo">116</span><a name="line.116"></a>
  125. <span class="sourceLineNo">117</span> /** The default item font. */<a name="line.117"></a>
  126. <span class="sourceLineNo">118</span> public static final Font DEFAULT_ITEM_FONT<a name="line.118"></a>
  127. <span class="sourceLineNo">119</span> = new Font("SansSerif", Font.PLAIN, 12);<a name="line.119"></a>
  128. <span class="sourceLineNo">120</span><a name="line.120"></a>
  129. <span class="sourceLineNo">121</span> /** The default item paint. */<a name="line.121"></a>
  130. <span class="sourceLineNo">122</span> public static final Paint DEFAULT_ITEM_PAINT = Color.black;<a name="line.122"></a>
  131. <span class="sourceLineNo">123</span><a name="line.123"></a>
  132. <span class="sourceLineNo">124</span> /** The sources for legend items. */<a name="line.124"></a>
  133. <span class="sourceLineNo">125</span> private LegendItemSource[] sources;<a name="line.125"></a>
  134. <span class="sourceLineNo">126</span><a name="line.126"></a>
  135. <span class="sourceLineNo">127</span> /** The background paint (possibly &lt;code&gt;null&lt;/code&gt;). */<a name="line.127"></a>
  136. <span class="sourceLineNo">128</span> private transient Paint backgroundPaint;<a name="line.128"></a>
  137. <span class="sourceLineNo">129</span><a name="line.129"></a>
  138. <span class="sourceLineNo">130</span> /** The edge for the legend item graphic relative to the text. */<a name="line.130"></a>
  139. <span class="sourceLineNo">131</span> private RectangleEdge legendItemGraphicEdge;<a name="line.131"></a>
  140. <span class="sourceLineNo">132</span><a name="line.132"></a>
  141. <span class="sourceLineNo">133</span> /** The anchor point for the legend item graphic. */<a name="line.133"></a>
  142. <span class="sourceLineNo">134</span> private RectangleAnchor legendItemGraphicAnchor;<a name="line.134"></a>
  143. <span class="sourceLineNo">135</span><a name="line.135"></a>
  144. <span class="sourceLineNo">136</span> /** The legend item graphic location. */<a name="line.136"></a>
  145. <span class="sourceLineNo">137</span> private RectangleAnchor legendItemGraphicLocation;<a name="line.137"></a>
  146. <span class="sourceLineNo">138</span><a name="line.138"></a>
  147. <span class="sourceLineNo">139</span> /** The padding for the legend item graphic. */<a name="line.139"></a>
  148. <span class="sourceLineNo">140</span> private RectangleInsets legendItemGraphicPadding;<a name="line.140"></a>
  149. <span class="sourceLineNo">141</span><a name="line.141"></a>
  150. <span class="sourceLineNo">142</span> /** The item font. */<a name="line.142"></a>
  151. <span class="sourceLineNo">143</span> private Font itemFont;<a name="line.143"></a>
  152. <span class="sourceLineNo">144</span><a name="line.144"></a>
  153. <span class="sourceLineNo">145</span> /** The item paint. */<a name="line.145"></a>
  154. <span class="sourceLineNo">146</span> private transient Paint itemPaint;<a name="line.146"></a>
  155. <span class="sourceLineNo">147</span><a name="line.147"></a>
  156. <span class="sourceLineNo">148</span> /** The padding for the item labels. */<a name="line.148"></a>
  157. <span class="sourceLineNo">149</span> private RectangleInsets itemLabelPadding;<a name="line.149"></a>
  158. <span class="sourceLineNo">150</span><a name="line.150"></a>
  159. <span class="sourceLineNo">151</span> /**<a name="line.151"></a>
  160. <span class="sourceLineNo">152</span> * A container that holds and displays the legend items.<a name="line.152"></a>
  161. <span class="sourceLineNo">153</span> */<a name="line.153"></a>
  162. <span class="sourceLineNo">154</span> private BlockContainer items;<a name="line.154"></a>
  163. <span class="sourceLineNo">155</span><a name="line.155"></a>
  164. <span class="sourceLineNo">156</span> /**<a name="line.156"></a>
  165. <span class="sourceLineNo">157</span> * The layout for the legend when it is positioned at the top or bottom<a name="line.157"></a>
  166. <span class="sourceLineNo">158</span> * of the chart.<a name="line.158"></a>
  167. <span class="sourceLineNo">159</span> */<a name="line.159"></a>
  168. <span class="sourceLineNo">160</span> private Arrangement hLayout;<a name="line.160"></a>
  169. <span class="sourceLineNo">161</span><a name="line.161"></a>
  170. <span class="sourceLineNo">162</span> /**<a name="line.162"></a>
  171. <span class="sourceLineNo">163</span> * The layout for the legend when it is positioned at the left or right<a name="line.163"></a>
  172. <span class="sourceLineNo">164</span> * of the chart.<a name="line.164"></a>
  173. <span class="sourceLineNo">165</span> */<a name="line.165"></a>
  174. <span class="sourceLineNo">166</span> private Arrangement vLayout;<a name="line.166"></a>
  175. <span class="sourceLineNo">167</span><a name="line.167"></a>
  176. <span class="sourceLineNo">168</span> /**<a name="line.168"></a>
  177. <span class="sourceLineNo">169</span> * An optional container for wrapping the legend items (allows for adding<a name="line.169"></a>
  178. <span class="sourceLineNo">170</span> * a title or other text to the legend).<a name="line.170"></a>
  179. <span class="sourceLineNo">171</span> */<a name="line.171"></a>
  180. <span class="sourceLineNo">172</span> private BlockContainer wrapper;<a name="line.172"></a>
  181. <span class="sourceLineNo">173</span><a name="line.173"></a>
  182. <span class="sourceLineNo">174</span> /**<a name="line.174"></a>
  183. <span class="sourceLineNo">175</span> * Whether to render legend items in ascending or descending order.<a name="line.175"></a>
  184. <span class="sourceLineNo">176</span> * @since 1.0.15<a name="line.176"></a>
  185. <span class="sourceLineNo">177</span> */<a name="line.177"></a>
  186. <span class="sourceLineNo">178</span> private SortOrder sortOrder;<a name="line.178"></a>
  187. <span class="sourceLineNo">179</span><a name="line.179"></a>
  188. <span class="sourceLineNo">180</span> /**<a name="line.180"></a>
  189. <span class="sourceLineNo">181</span> * Constructs a new (empty) legend for the specified source.<a name="line.181"></a>
  190. <span class="sourceLineNo">182</span> *<a name="line.182"></a>
  191. <span class="sourceLineNo">183</span> * @param source the source.<a name="line.183"></a>
  192. <span class="sourceLineNo">184</span> */<a name="line.184"></a>
  193. <span class="sourceLineNo">185</span> public LegendTitle(LegendItemSource source) {<a name="line.185"></a>
  194. <span class="sourceLineNo">186</span> this(source, new FlowArrangement(), new ColumnArrangement());<a name="line.186"></a>
  195. <span class="sourceLineNo">187</span> }<a name="line.187"></a>
  196. <span class="sourceLineNo">188</span><a name="line.188"></a>
  197. <span class="sourceLineNo">189</span> /**<a name="line.189"></a>
  198. <span class="sourceLineNo">190</span> * Creates a new legend title with the specified arrangement.<a name="line.190"></a>
  199. <span class="sourceLineNo">191</span> *<a name="line.191"></a>
  200. <span class="sourceLineNo">192</span> * @param source the source.<a name="line.192"></a>
  201. <span class="sourceLineNo">193</span> * @param hLayout the horizontal item arrangement (&lt;code&gt;null&lt;/code&gt; not<a name="line.193"></a>
  202. <span class="sourceLineNo">194</span> * permitted).<a name="line.194"></a>
  203. <span class="sourceLineNo">195</span> * @param vLayout the vertical item arrangement (&lt;code&gt;null&lt;/code&gt; not<a name="line.195"></a>
  204. <span class="sourceLineNo">196</span> * permitted).<a name="line.196"></a>
  205. <span class="sourceLineNo">197</span> */<a name="line.197"></a>
  206. <span class="sourceLineNo">198</span> public LegendTitle(LegendItemSource source,<a name="line.198"></a>
  207. <span class="sourceLineNo">199</span> Arrangement hLayout, Arrangement vLayout) {<a name="line.199"></a>
  208. <span class="sourceLineNo">200</span> this.sources = new LegendItemSource[] {source};<a name="line.200"></a>
  209. <span class="sourceLineNo">201</span> this.items = new BlockContainer(hLayout);<a name="line.201"></a>
  210. <span class="sourceLineNo">202</span> this.hLayout = hLayout;<a name="line.202"></a>
  211. <span class="sourceLineNo">203</span> this.vLayout = vLayout;<a name="line.203"></a>
  212. <span class="sourceLineNo">204</span> this.backgroundPaint = null;<a name="line.204"></a>
  213. <span class="sourceLineNo">205</span> this.legendItemGraphicEdge = RectangleEdge.LEFT;<a name="line.205"></a>
  214. <span class="sourceLineNo">206</span> this.legendItemGraphicAnchor = RectangleAnchor.CENTER;<a name="line.206"></a>
  215. <span class="sourceLineNo">207</span> this.legendItemGraphicLocation = RectangleAnchor.CENTER;<a name="line.207"></a>
  216. <span class="sourceLineNo">208</span> this.legendItemGraphicPadding = new RectangleInsets(2.0, 2.0, 2.0, 2.0);<a name="line.208"></a>
  217. <span class="sourceLineNo">209</span> this.itemFont = DEFAULT_ITEM_FONT;<a name="line.209"></a>
  218. <span class="sourceLineNo">210</span> this.itemPaint = DEFAULT_ITEM_PAINT;<a name="line.210"></a>
  219. <span class="sourceLineNo">211</span> this.itemLabelPadding = new RectangleInsets(2.0, 2.0, 2.0, 2.0);<a name="line.211"></a>
  220. <span class="sourceLineNo">212</span> this.sortOrder = SortOrder.ASCENDING;<a name="line.212"></a>
  221. <span class="sourceLineNo">213</span> }<a name="line.213"></a>
  222. <span class="sourceLineNo">214</span><a name="line.214"></a>
  223. <span class="sourceLineNo">215</span> /**<a name="line.215"></a>
  224. <span class="sourceLineNo">216</span> * Returns the legend item sources.<a name="line.216"></a>
  225. <span class="sourceLineNo">217</span> *<a name="line.217"></a>
  226. <span class="sourceLineNo">218</span> * @return The sources.<a name="line.218"></a>
  227. <span class="sourceLineNo">219</span> */<a name="line.219"></a>
  228. <span class="sourceLineNo">220</span> public LegendItemSource[] getSources() {<a name="line.220"></a>
  229. <span class="sourceLineNo">221</span> return this.sources;<a name="line.221"></a>
  230. <span class="sourceLineNo">222</span> }<a name="line.222"></a>
  231. <span class="sourceLineNo">223</span><a name="line.223"></a>
  232. <span class="sourceLineNo">224</span> /**<a name="line.224"></a>
  233. <span class="sourceLineNo">225</span> * Sets the legend item sources and sends a {@link TitleChangeEvent} to<a name="line.225"></a>
  234. <span class="sourceLineNo">226</span> * all registered listeners.<a name="line.226"></a>
  235. <span class="sourceLineNo">227</span> *<a name="line.227"></a>
  236. <span class="sourceLineNo">228</span> * @param sources the sources (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.228"></a>
  237. <span class="sourceLineNo">229</span> */<a name="line.229"></a>
  238. <span class="sourceLineNo">230</span> public void setSources(LegendItemSource[] sources) {<a name="line.230"></a>
  239. <span class="sourceLineNo">231</span> ParamChecks.nullNotPermitted(sources, "sources");<a name="line.231"></a>
  240. <span class="sourceLineNo">232</span> this.sources = sources;<a name="line.232"></a>
  241. <span class="sourceLineNo">233</span> notifyListeners(new TitleChangeEvent(this));<a name="line.233"></a>
  242. <span class="sourceLineNo">234</span> }<a name="line.234"></a>
  243. <span class="sourceLineNo">235</span><a name="line.235"></a>
  244. <span class="sourceLineNo">236</span> /**<a name="line.236"></a>
  245. <span class="sourceLineNo">237</span> * Returns the background paint.<a name="line.237"></a>
  246. <span class="sourceLineNo">238</span> *<a name="line.238"></a>
  247. <span class="sourceLineNo">239</span> * @return The background paint (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.239"></a>
  248. <span class="sourceLineNo">240</span> */<a name="line.240"></a>
  249. <span class="sourceLineNo">241</span> public Paint getBackgroundPaint() {<a name="line.241"></a>
  250. <span class="sourceLineNo">242</span> return this.backgroundPaint;<a name="line.242"></a>
  251. <span class="sourceLineNo">243</span> }<a name="line.243"></a>
  252. <span class="sourceLineNo">244</span><a name="line.244"></a>
  253. <span class="sourceLineNo">245</span> /**<a name="line.245"></a>
  254. <span class="sourceLineNo">246</span> * Sets the background paint for the legend and sends a<a name="line.246"></a>
  255. <span class="sourceLineNo">247</span> * {@link TitleChangeEvent} to all registered listeners.<a name="line.247"></a>
  256. <span class="sourceLineNo">248</span> *<a name="line.248"></a>
  257. <span class="sourceLineNo">249</span> * @param paint the paint (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.249"></a>
  258. <span class="sourceLineNo">250</span> */<a name="line.250"></a>
  259. <span class="sourceLineNo">251</span> public void setBackgroundPaint(Paint paint) {<a name="line.251"></a>
  260. <span class="sourceLineNo">252</span> this.backgroundPaint = paint;<a name="line.252"></a>
  261. <span class="sourceLineNo">253</span> notifyListeners(new TitleChangeEvent(this));<a name="line.253"></a>
  262. <span class="sourceLineNo">254</span> }<a name="line.254"></a>
  263. <span class="sourceLineNo">255</span><a name="line.255"></a>
  264. <span class="sourceLineNo">256</span> /**<a name="line.256"></a>
  265. <span class="sourceLineNo">257</span> * Returns the location of the shape within each legend item.<a name="line.257"></a>
  266. <span class="sourceLineNo">258</span> *<a name="line.258"></a>
  267. <span class="sourceLineNo">259</span> * @return The location (never &lt;code&gt;null&lt;/code&gt;).<a name="line.259"></a>
  268. <span class="sourceLineNo">260</span> */<a name="line.260"></a>
  269. <span class="sourceLineNo">261</span> public RectangleEdge getLegendItemGraphicEdge() {<a name="line.261"></a>
  270. <span class="sourceLineNo">262</span> return this.legendItemGraphicEdge;<a name="line.262"></a>
  271. <span class="sourceLineNo">263</span> }<a name="line.263"></a>
  272. <span class="sourceLineNo">264</span><a name="line.264"></a>
  273. <span class="sourceLineNo">265</span> /**<a name="line.265"></a>
  274. <span class="sourceLineNo">266</span> * Sets the location of the shape within each legend item.<a name="line.266"></a>
  275. <span class="sourceLineNo">267</span> *<a name="line.267"></a>
  276. <span class="sourceLineNo">268</span> * @param edge the edge (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.268"></a>
  277. <span class="sourceLineNo">269</span> */<a name="line.269"></a>
  278. <span class="sourceLineNo">270</span> public void setLegendItemGraphicEdge(RectangleEdge edge) {<a name="line.270"></a>
  279. <span class="sourceLineNo">271</span> ParamChecks.nullNotPermitted(edge, "edge");<a name="line.271"></a>
  280. <span class="sourceLineNo">272</span> this.legendItemGraphicEdge = edge;<a name="line.272"></a>
  281. <span class="sourceLineNo">273</span> notifyListeners(new TitleChangeEvent(this));<a name="line.273"></a>
  282. <span class="sourceLineNo">274</span> }<a name="line.274"></a>
  283. <span class="sourceLineNo">275</span><a name="line.275"></a>
  284. <span class="sourceLineNo">276</span> /**<a name="line.276"></a>
  285. <span class="sourceLineNo">277</span> * Returns the legend item graphic anchor.<a name="line.277"></a>
  286. <span class="sourceLineNo">278</span> *<a name="line.278"></a>
  287. <span class="sourceLineNo">279</span> * @return The graphic anchor (never &lt;code&gt;null&lt;/code&gt;).<a name="line.279"></a>
  288. <span class="sourceLineNo">280</span> */<a name="line.280"></a>
  289. <span class="sourceLineNo">281</span> public RectangleAnchor getLegendItemGraphicAnchor() {<a name="line.281"></a>
  290. <span class="sourceLineNo">282</span> return this.legendItemGraphicAnchor;<a name="line.282"></a>
  291. <span class="sourceLineNo">283</span> }<a name="line.283"></a>
  292. <span class="sourceLineNo">284</span><a name="line.284"></a>
  293. <span class="sourceLineNo">285</span> /**<a name="line.285"></a>
  294. <span class="sourceLineNo">286</span> * Sets the anchor point used for the graphic in each legend item.<a name="line.286"></a>
  295. <span class="sourceLineNo">287</span> *<a name="line.287"></a>
  296. <span class="sourceLineNo">288</span> * @param anchor the anchor point (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.288"></a>
  297. <span class="sourceLineNo">289</span> */<a name="line.289"></a>
  298. <span class="sourceLineNo">290</span> public void setLegendItemGraphicAnchor(RectangleAnchor anchor) {<a name="line.290"></a>
  299. <span class="sourceLineNo">291</span> ParamChecks.nullNotPermitted(anchor, "anchor");<a name="line.291"></a>
  300. <span class="sourceLineNo">292</span> this.legendItemGraphicAnchor = anchor;<a name="line.292"></a>
  301. <span class="sourceLineNo">293</span> }<a name="line.293"></a>
  302. <span class="sourceLineNo">294</span><a name="line.294"></a>
  303. <span class="sourceLineNo">295</span> /**<a name="line.295"></a>
  304. <span class="sourceLineNo">296</span> * Returns the legend item graphic location.<a name="line.296"></a>
  305. <span class="sourceLineNo">297</span> *<a name="line.297"></a>
  306. <span class="sourceLineNo">298</span> * @return The location (never &lt;code&gt;null&lt;/code&gt;).<a name="line.298"></a>
  307. <span class="sourceLineNo">299</span> */<a name="line.299"></a>
  308. <span class="sourceLineNo">300</span> public RectangleAnchor getLegendItemGraphicLocation() {<a name="line.300"></a>
  309. <span class="sourceLineNo">301</span> return this.legendItemGraphicLocation;<a name="line.301"></a>
  310. <span class="sourceLineNo">302</span> }<a name="line.302"></a>
  311. <span class="sourceLineNo">303</span><a name="line.303"></a>
  312. <span class="sourceLineNo">304</span> /**<a name="line.304"></a>
  313. <span class="sourceLineNo">305</span> * Sets the legend item graphic location.<a name="line.305"></a>
  314. <span class="sourceLineNo">306</span> *<a name="line.306"></a>
  315. <span class="sourceLineNo">307</span> * @param anchor the anchor (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.307"></a>
  316. <span class="sourceLineNo">308</span> */<a name="line.308"></a>
  317. <span class="sourceLineNo">309</span> public void setLegendItemGraphicLocation(RectangleAnchor anchor) {<a name="line.309"></a>
  318. <span class="sourceLineNo">310</span> this.legendItemGraphicLocation = anchor;<a name="line.310"></a>
  319. <span class="sourceLineNo">311</span> }<a name="line.311"></a>
  320. <span class="sourceLineNo">312</span><a name="line.312"></a>
  321. <span class="sourceLineNo">313</span> /**<a name="line.313"></a>
  322. <span class="sourceLineNo">314</span> * Returns the padding that will be applied to each item graphic.<a name="line.314"></a>
  323. <span class="sourceLineNo">315</span> *<a name="line.315"></a>
  324. <span class="sourceLineNo">316</span> * @return The padding (never &lt;code&gt;null&lt;/code&gt;).<a name="line.316"></a>
  325. <span class="sourceLineNo">317</span> */<a name="line.317"></a>
  326. <span class="sourceLineNo">318</span> public RectangleInsets getLegendItemGraphicPadding() {<a name="line.318"></a>
  327. <span class="sourceLineNo">319</span> return this.legendItemGraphicPadding;<a name="line.319"></a>
  328. <span class="sourceLineNo">320</span> }<a name="line.320"></a>
  329. <span class="sourceLineNo">321</span><a name="line.321"></a>
  330. <span class="sourceLineNo">322</span> /**<a name="line.322"></a>
  331. <span class="sourceLineNo">323</span> * Sets the padding that will be applied to each item graphic in the<a name="line.323"></a>
  332. <span class="sourceLineNo">324</span> * legend and sends a {@link TitleChangeEvent} to all registered listeners.<a name="line.324"></a>
  333. <span class="sourceLineNo">325</span> *<a name="line.325"></a>
  334. <span class="sourceLineNo">326</span> * @param padding the padding (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.326"></a>
  335. <span class="sourceLineNo">327</span> */<a name="line.327"></a>
  336. <span class="sourceLineNo">328</span> public void setLegendItemGraphicPadding(RectangleInsets padding) {<a name="line.328"></a>
  337. <span class="sourceLineNo">329</span> ParamChecks.nullNotPermitted(padding, "padding");<a name="line.329"></a>
  338. <span class="sourceLineNo">330</span> this.legendItemGraphicPadding = padding;<a name="line.330"></a>
  339. <span class="sourceLineNo">331</span> notifyListeners(new TitleChangeEvent(this));<a name="line.331"></a>
  340. <span class="sourceLineNo">332</span> }<a name="line.332"></a>
  341. <span class="sourceLineNo">333</span><a name="line.333"></a>
  342. <span class="sourceLineNo">334</span> /**<a name="line.334"></a>
  343. <span class="sourceLineNo">335</span> * Returns the item font.<a name="line.335"></a>
  344. <span class="sourceLineNo">336</span> *<a name="line.336"></a>
  345. <span class="sourceLineNo">337</span> * @return The font (never &lt;code&gt;null&lt;/code&gt;).<a name="line.337"></a>
  346. <span class="sourceLineNo">338</span> */<a name="line.338"></a>
  347. <span class="sourceLineNo">339</span> public Font getItemFont() {<a name="line.339"></a>
  348. <span class="sourceLineNo">340</span> return this.itemFont;<a name="line.340"></a>
  349. <span class="sourceLineNo">341</span> }<a name="line.341"></a>
  350. <span class="sourceLineNo">342</span><a name="line.342"></a>
  351. <span class="sourceLineNo">343</span> /**<a name="line.343"></a>
  352. <span class="sourceLineNo">344</span> * Sets the item font and sends a {@link TitleChangeEvent} to<a name="line.344"></a>
  353. <span class="sourceLineNo">345</span> * all registered listeners.<a name="line.345"></a>
  354. <span class="sourceLineNo">346</span> *<a name="line.346"></a>
  355. <span class="sourceLineNo">347</span> * @param font the font (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.347"></a>
  356. <span class="sourceLineNo">348</span> */<a name="line.348"></a>
  357. <span class="sourceLineNo">349</span> public void setItemFont(Font font) {<a name="line.349"></a>
  358. <span class="sourceLineNo">350</span> ParamChecks.nullNotPermitted(font, "font");<a name="line.350"></a>
  359. <span class="sourceLineNo">351</span> this.itemFont = font;<a name="line.351"></a>
  360. <span class="sourceLineNo">352</span> notifyListeners(new TitleChangeEvent(this));<a name="line.352"></a>
  361. <span class="sourceLineNo">353</span> }<a name="line.353"></a>
  362. <span class="sourceLineNo">354</span><a name="line.354"></a>
  363. <span class="sourceLineNo">355</span> /**<a name="line.355"></a>
  364. <span class="sourceLineNo">356</span> * Returns the item paint.<a name="line.356"></a>
  365. <span class="sourceLineNo">357</span> *<a name="line.357"></a>
  366. <span class="sourceLineNo">358</span> * @return The paint (never &lt;code&gt;null&lt;/code&gt;).<a name="line.358"></a>
  367. <span class="sourceLineNo">359</span> */<a name="line.359"></a>
  368. <span class="sourceLineNo">360</span> public Paint getItemPaint() {<a name="line.360"></a>
  369. <span class="sourceLineNo">361</span> return this.itemPaint;<a name="line.361"></a>
  370. <span class="sourceLineNo">362</span> }<a name="line.362"></a>
  371. <span class="sourceLineNo">363</span><a name="line.363"></a>
  372. <span class="sourceLineNo">364</span> /**<a name="line.364"></a>
  373. <span class="sourceLineNo">365</span> * Sets the item paint.<a name="line.365"></a>
  374. <span class="sourceLineNo">366</span> *<a name="line.366"></a>
  375. <span class="sourceLineNo">367</span> * @param paint the paint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.367"></a>
  376. <span class="sourceLineNo">368</span> */<a name="line.368"></a>
  377. <span class="sourceLineNo">369</span> public void setItemPaint(Paint paint) {<a name="line.369"></a>
  378. <span class="sourceLineNo">370</span> ParamChecks.nullNotPermitted(paint, "paint");<a name="line.370"></a>
  379. <span class="sourceLineNo">371</span> this.itemPaint = paint;<a name="line.371"></a>
  380. <span class="sourceLineNo">372</span> notifyListeners(new TitleChangeEvent(this));<a name="line.372"></a>
  381. <span class="sourceLineNo">373</span> }<a name="line.373"></a>
  382. <span class="sourceLineNo">374</span><a name="line.374"></a>
  383. <span class="sourceLineNo">375</span> /**<a name="line.375"></a>
  384. <span class="sourceLineNo">376</span> * Returns the padding used for the items labels.<a name="line.376"></a>
  385. <span class="sourceLineNo">377</span> *<a name="line.377"></a>
  386. <span class="sourceLineNo">378</span> * @return The padding (never &lt;code&gt;null&lt;/code&gt;).<a name="line.378"></a>
  387. <span class="sourceLineNo">379</span> */<a name="line.379"></a>
  388. <span class="sourceLineNo">380</span> public RectangleInsets getItemLabelPadding() {<a name="line.380"></a>
  389. <span class="sourceLineNo">381</span> return this.itemLabelPadding;<a name="line.381"></a>
  390. <span class="sourceLineNo">382</span> }<a name="line.382"></a>
  391. <span class="sourceLineNo">383</span><a name="line.383"></a>
  392. <span class="sourceLineNo">384</span> /**<a name="line.384"></a>
  393. <span class="sourceLineNo">385</span> * Sets the padding used for the item labels in the legend.<a name="line.385"></a>
  394. <span class="sourceLineNo">386</span> *<a name="line.386"></a>
  395. <span class="sourceLineNo">387</span> * @param padding the padding (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.387"></a>
  396. <span class="sourceLineNo">388</span> */<a name="line.388"></a>
  397. <span class="sourceLineNo">389</span> public void setItemLabelPadding(RectangleInsets padding) {<a name="line.389"></a>
  398. <span class="sourceLineNo">390</span> ParamChecks.nullNotPermitted(padding, "padding");<a name="line.390"></a>
  399. <span class="sourceLineNo">391</span> this.itemLabelPadding = padding;<a name="line.391"></a>
  400. <span class="sourceLineNo">392</span> notifyListeners(new TitleChangeEvent(this));<a name="line.392"></a>
  401. <span class="sourceLineNo">393</span> }<a name="line.393"></a>
  402. <span class="sourceLineNo">394</span><a name="line.394"></a>
  403. <span class="sourceLineNo">395</span> /**<a name="line.395"></a>
  404. <span class="sourceLineNo">396</span> * Gets the order used to display legend items.<a name="line.396"></a>
  405. <span class="sourceLineNo">397</span> * <a name="line.397"></a>
  406. <span class="sourceLineNo">398</span> * @return The order (never &lt;code&gt;null&lt;/code&gt;).<a name="line.398"></a>
  407. <span class="sourceLineNo">399</span> * @since 1.0.15<a name="line.399"></a>
  408. <span class="sourceLineNo">400</span> */<a name="line.400"></a>
  409. <span class="sourceLineNo">401</span> public SortOrder getSortOrder() {<a name="line.401"></a>
  410. <span class="sourceLineNo">402</span> return this.sortOrder;<a name="line.402"></a>
  411. <span class="sourceLineNo">403</span> }<a name="line.403"></a>
  412. <span class="sourceLineNo">404</span><a name="line.404"></a>
  413. <span class="sourceLineNo">405</span> /**<a name="line.405"></a>
  414. <span class="sourceLineNo">406</span> * Sets the order used to display legend items.<a name="line.406"></a>
  415. <span class="sourceLineNo">407</span> * <a name="line.407"></a>
  416. <span class="sourceLineNo">408</span> * @param order Specifies ascending or descending order (&lt;code&gt;null&lt;/code&gt;<a name="line.408"></a>
  417. <span class="sourceLineNo">409</span> * not permitted).<a name="line.409"></a>
  418. <span class="sourceLineNo">410</span> * @since 1.0.15<a name="line.410"></a>
  419. <span class="sourceLineNo">411</span> */<a name="line.411"></a>
  420. <span class="sourceLineNo">412</span> public void setSortOrder(SortOrder order) {<a name="line.412"></a>
  421. <span class="sourceLineNo">413</span> ParamChecks.nullNotPermitted(order, "order");<a name="line.413"></a>
  422. <span class="sourceLineNo">414</span> this.sortOrder = order;<a name="line.414"></a>
  423. <span class="sourceLineNo">415</span> notifyListeners(new TitleChangeEvent(this));<a name="line.415"></a>
  424. <span class="sourceLineNo">416</span> }<a name="line.416"></a>
  425. <span class="sourceLineNo">417</span><a name="line.417"></a>
  426. <span class="sourceLineNo">418</span> /**<a name="line.418"></a>
  427. <span class="sourceLineNo">419</span> * Fetches the latest legend items.<a name="line.419"></a>
  428. <span class="sourceLineNo">420</span> */<a name="line.420"></a>
  429. <span class="sourceLineNo">421</span> protected void fetchLegendItems() {<a name="line.421"></a>
  430. <span class="sourceLineNo">422</span> this.items.clear();<a name="line.422"></a>
  431. <span class="sourceLineNo">423</span> RectangleEdge p = getPosition();<a name="line.423"></a>
  432. <span class="sourceLineNo">424</span> if (RectangleEdge.isTopOrBottom(p)) {<a name="line.424"></a>
  433. <span class="sourceLineNo">425</span> this.items.setArrangement(this.hLayout);<a name="line.425"></a>
  434. <span class="sourceLineNo">426</span> }<a name="line.426"></a>
  435. <span class="sourceLineNo">427</span> else {<a name="line.427"></a>
  436. <span class="sourceLineNo">428</span> this.items.setArrangement(this.vLayout);<a name="line.428"></a>
  437. <span class="sourceLineNo">429</span> }<a name="line.429"></a>
  438. <span class="sourceLineNo">430</span><a name="line.430"></a>
  439. <span class="sourceLineNo">431</span> if (this.sortOrder.equals(SortOrder.ASCENDING)) {<a name="line.431"></a>
  440. <span class="sourceLineNo">432</span> for (int s = 0; s &lt; this.sources.length; s++) {<a name="line.432"></a>
  441. <span class="sourceLineNo">433</span> LegendItemCollection legendItems =<a name="line.433"></a>
  442. <span class="sourceLineNo">434</span> this.sources[s].getLegendItems();<a name="line.434"></a>
  443. <span class="sourceLineNo">435</span> if (legendItems != null) {<a name="line.435"></a>
  444. <span class="sourceLineNo">436</span> for (int i = 0; i &lt; legendItems.getItemCount(); i++) {<a name="line.436"></a>
  445. <span class="sourceLineNo">437</span> addItemBlock(legendItems.get(i));<a name="line.437"></a>
  446. <span class="sourceLineNo">438</span> }<a name="line.438"></a>
  447. <span class="sourceLineNo">439</span> }<a name="line.439"></a>
  448. <span class="sourceLineNo">440</span> }<a name="line.440"></a>
  449. <span class="sourceLineNo">441</span> }<a name="line.441"></a>
  450. <span class="sourceLineNo">442</span> else {<a name="line.442"></a>
  451. <span class="sourceLineNo">443</span> for (int s = this.sources.length - 1; s &gt;= 0; s--) {<a name="line.443"></a>
  452. <span class="sourceLineNo">444</span> LegendItemCollection legendItems =<a name="line.444"></a>
  453. <span class="sourceLineNo">445</span> this.sources[s].getLegendItems();<a name="line.445"></a>
  454. <span class="sourceLineNo">446</span> if (legendItems != null) {<a name="line.446"></a>
  455. <span class="sourceLineNo">447</span> for (int i = legendItems.getItemCount()-1; i &gt;= 0; i--) {<a name="line.447"></a>
  456. <span class="sourceLineNo">448</span> addItemBlock(legendItems.get(i));<a name="line.448"></a>
  457. <span class="sourceLineNo">449</span> }<a name="line.449"></a>
  458. <span class="sourceLineNo">450</span> }<a name="line.450"></a>
  459. <span class="sourceLineNo">451</span> }<a name="line.451"></a>
  460. <span class="sourceLineNo">452</span> }<a name="line.452"></a>
  461. <span class="sourceLineNo">453</span> }<a name="line.453"></a>
  462. <span class="sourceLineNo">454</span><a name="line.454"></a>
  463. <span class="sourceLineNo">455</span> private void addItemBlock(LegendItem item) {<a name="line.455"></a>
  464. <span class="sourceLineNo">456</span> Block block = createLegendItemBlock(item);<a name="line.456"></a>
  465. <span class="sourceLineNo">457</span> this.items.add(block);<a name="line.457"></a>
  466. <span class="sourceLineNo">458</span> }<a name="line.458"></a>
  467. <span class="sourceLineNo">459</span><a name="line.459"></a>
  468. <span class="sourceLineNo">460</span> /**<a name="line.460"></a>
  469. <span class="sourceLineNo">461</span> * Creates a legend item block.<a name="line.461"></a>
  470. <span class="sourceLineNo">462</span> *<a name="line.462"></a>
  471. <span class="sourceLineNo">463</span> * @param item the legend item.<a name="line.463"></a>
  472. <span class="sourceLineNo">464</span> *<a name="line.464"></a>
  473. <span class="sourceLineNo">465</span> * @return The block.<a name="line.465"></a>
  474. <span class="sourceLineNo">466</span> */<a name="line.466"></a>
  475. <span class="sourceLineNo">467</span> protected Block createLegendItemBlock(LegendItem item) {<a name="line.467"></a>
  476. <span class="sourceLineNo">468</span> BlockContainer result;<a name="line.468"></a>
  477. <span class="sourceLineNo">469</span> LegendGraphic lg = new LegendGraphic(item.getShape(),<a name="line.469"></a>
  478. <span class="sourceLineNo">470</span> item.getFillPaint());<a name="line.470"></a>
  479. <span class="sourceLineNo">471</span> lg.setFillPaintTransformer(item.getFillPaintTransformer());<a name="line.471"></a>
  480. <span class="sourceLineNo">472</span> lg.setShapeFilled(item.isShapeFilled());<a name="line.472"></a>
  481. <span class="sourceLineNo">473</span> lg.setLine(item.getLine());<a name="line.473"></a>
  482. <span class="sourceLineNo">474</span> lg.setLineStroke(item.getLineStroke());<a name="line.474"></a>
  483. <span class="sourceLineNo">475</span> lg.setLinePaint(item.getLinePaint());<a name="line.475"></a>
  484. <span class="sourceLineNo">476</span> lg.setLineVisible(item.isLineVisible());<a name="line.476"></a>
  485. <span class="sourceLineNo">477</span> lg.setShapeVisible(item.isShapeVisible());<a name="line.477"></a>
  486. <span class="sourceLineNo">478</span> lg.setShapeOutlineVisible(item.isShapeOutlineVisible());<a name="line.478"></a>
  487. <span class="sourceLineNo">479</span> lg.setOutlinePaint(item.getOutlinePaint());<a name="line.479"></a>
  488. <span class="sourceLineNo">480</span> lg.setOutlineStroke(item.getOutlineStroke());<a name="line.480"></a>
  489. <span class="sourceLineNo">481</span> lg.setPadding(this.legendItemGraphicPadding);<a name="line.481"></a>
  490. <span class="sourceLineNo">482</span><a name="line.482"></a>
  491. <span class="sourceLineNo">483</span> LegendItemBlockContainer legendItem = new LegendItemBlockContainer(<a name="line.483"></a>
  492. <span class="sourceLineNo">484</span> new BorderArrangement(), item.getDataset(),<a name="line.484"></a>
  493. <span class="sourceLineNo">485</span> item.getSeriesKey());<a name="line.485"></a>
  494. <span class="sourceLineNo">486</span> lg.setShapeAnchor(getLegendItemGraphicAnchor());<a name="line.486"></a>
  495. <span class="sourceLineNo">487</span> lg.setShapeLocation(getLegendItemGraphicLocation());<a name="line.487"></a>
  496. <span class="sourceLineNo">488</span> legendItem.add(lg, this.legendItemGraphicEdge);<a name="line.488"></a>
  497. <span class="sourceLineNo">489</span> Font textFont = item.getLabelFont();<a name="line.489"></a>
  498. <span class="sourceLineNo">490</span> if (textFont == null) {<a name="line.490"></a>
  499. <span class="sourceLineNo">491</span> textFont = this.itemFont;<a name="line.491"></a>
  500. <span class="sourceLineNo">492</span> }<a name="line.492"></a>
  501. <span class="sourceLineNo">493</span> Paint textPaint = item.getLabelPaint();<a name="line.493"></a>
  502. <span class="sourceLineNo">494</span> if (textPaint == null) {<a name="line.494"></a>
  503. <span class="sourceLineNo">495</span> textPaint = this.itemPaint;<a name="line.495"></a>
  504. <span class="sourceLineNo">496</span> }<a name="line.496"></a>
  505. <span class="sourceLineNo">497</span> LabelBlock labelBlock = new LabelBlock(item.getLabel(), textFont,<a name="line.497"></a>
  506. <span class="sourceLineNo">498</span> textPaint);<a name="line.498"></a>
  507. <span class="sourceLineNo">499</span> labelBlock.setPadding(this.itemLabelPadding);<a name="line.499"></a>
  508. <span class="sourceLineNo">500</span> legendItem.add(labelBlock);<a name="line.500"></a>
  509. <span class="sourceLineNo">501</span> legendItem.setToolTipText(item.getToolTipText());<a name="line.501"></a>
  510. <span class="sourceLineNo">502</span> legendItem.setURLText(item.getURLText());<a name="line.502"></a>
  511. <span class="sourceLineNo">503</span><a name="line.503"></a>
  512. <span class="sourceLineNo">504</span> result = new BlockContainer(new CenterArrangement());<a name="line.504"></a>
  513. <span class="sourceLineNo">505</span> result.add(legendItem);<a name="line.505"></a>
  514. <span class="sourceLineNo">506</span><a name="line.506"></a>
  515. <span class="sourceLineNo">507</span> return result;<a name="line.507"></a>
  516. <span class="sourceLineNo">508</span> }<a name="line.508"></a>
  517. <span class="sourceLineNo">509</span><a name="line.509"></a>
  518. <span class="sourceLineNo">510</span> /**<a name="line.510"></a>
  519. <span class="sourceLineNo">511</span> * Returns the container that holds the legend items.<a name="line.511"></a>
  520. <span class="sourceLineNo">512</span> *<a name="line.512"></a>
  521. <span class="sourceLineNo">513</span> * @return The container for the legend items.<a name="line.513"></a>
  522. <span class="sourceLineNo">514</span> */<a name="line.514"></a>
  523. <span class="sourceLineNo">515</span> public BlockContainer getItemContainer() {<a name="line.515"></a>
  524. <span class="sourceLineNo">516</span> return this.items;<a name="line.516"></a>
  525. <span class="sourceLineNo">517</span> }<a name="line.517"></a>
  526. <span class="sourceLineNo">518</span><a name="line.518"></a>
  527. <span class="sourceLineNo">519</span> /**<a name="line.519"></a>
  528. <span class="sourceLineNo">520</span> * Arranges the contents of the block, within the given constraints, and<a name="line.520"></a>
  529. <span class="sourceLineNo">521</span> * returns the block size.<a name="line.521"></a>
  530. <span class="sourceLineNo">522</span> *<a name="line.522"></a>
  531. <span class="sourceLineNo">523</span> * @param g2 the graphics device.<a name="line.523"></a>
  532. <span class="sourceLineNo">524</span> * @param constraint the constraint (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.524"></a>
  533. <span class="sourceLineNo">525</span> *<a name="line.525"></a>
  534. <span class="sourceLineNo">526</span> * @return The block size (in Java2D units, never &lt;code&gt;null&lt;/code&gt;).<a name="line.526"></a>
  535. <span class="sourceLineNo">527</span> */<a name="line.527"></a>
  536. <span class="sourceLineNo">528</span> @Override<a name="line.528"></a>
  537. <span class="sourceLineNo">529</span> public Size2D arrange(Graphics2D g2, RectangleConstraint constraint) {<a name="line.529"></a>
  538. <span class="sourceLineNo">530</span> Size2D result = new Size2D();<a name="line.530"></a>
  539. <span class="sourceLineNo">531</span> fetchLegendItems();<a name="line.531"></a>
  540. <span class="sourceLineNo">532</span> if (this.items.isEmpty()) {<a name="line.532"></a>
  541. <span class="sourceLineNo">533</span> return result;<a name="line.533"></a>
  542. <span class="sourceLineNo">534</span> }<a name="line.534"></a>
  543. <span class="sourceLineNo">535</span> BlockContainer container = this.wrapper;<a name="line.535"></a>
  544. <span class="sourceLineNo">536</span> if (container == null) {<a name="line.536"></a>
  545. <span class="sourceLineNo">537</span> container = this.items;<a name="line.537"></a>
  546. <span class="sourceLineNo">538</span> }<a name="line.538"></a>
  547. <span class="sourceLineNo">539</span> RectangleConstraint c = toContentConstraint(constraint);<a name="line.539"></a>
  548. <span class="sourceLineNo">540</span> Size2D size = container.arrange(g2, c);<a name="line.540"></a>
  549. <span class="sourceLineNo">541</span> result.height = calculateTotalHeight(size.height);<a name="line.541"></a>
  550. <span class="sourceLineNo">542</span> result.width = calculateTotalWidth(size.width);<a name="line.542"></a>
  551. <span class="sourceLineNo">543</span> return result;<a name="line.543"></a>
  552. <span class="sourceLineNo">544</span> }<a name="line.544"></a>
  553. <span class="sourceLineNo">545</span><a name="line.545"></a>
  554. <span class="sourceLineNo">546</span> /**<a name="line.546"></a>
  555. <span class="sourceLineNo">547</span> * Draws the title on a Java 2D graphics device (such as the screen or a<a name="line.547"></a>
  556. <span class="sourceLineNo">548</span> * printer).<a name="line.548"></a>
  557. <span class="sourceLineNo">549</span> *<a name="line.549"></a>
  558. <span class="sourceLineNo">550</span> * @param g2 the graphics device.<a name="line.550"></a>
  559. <span class="sourceLineNo">551</span> * @param area the available area for the title.<a name="line.551"></a>
  560. <span class="sourceLineNo">552</span> */<a name="line.552"></a>
  561. <span class="sourceLineNo">553</span> @Override<a name="line.553"></a>
  562. <span class="sourceLineNo">554</span> public void draw(Graphics2D g2, Rectangle2D area) {<a name="line.554"></a>
  563. <span class="sourceLineNo">555</span> draw(g2, area, null);<a name="line.555"></a>
  564. <span class="sourceLineNo">556</span> }<a name="line.556"></a>
  565. <span class="sourceLineNo">557</span><a name="line.557"></a>
  566. <span class="sourceLineNo">558</span> /**<a name="line.558"></a>
  567. <span class="sourceLineNo">559</span> * Draws the block within the specified area.<a name="line.559"></a>
  568. <span class="sourceLineNo">560</span> *<a name="line.560"></a>
  569. <span class="sourceLineNo">561</span> * @param g2 the graphics device.<a name="line.561"></a>
  570. <span class="sourceLineNo">562</span> * @param area the area.<a name="line.562"></a>
  571. <span class="sourceLineNo">563</span> * @param params ignored (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.563"></a>
  572. <span class="sourceLineNo">564</span> *<a name="line.564"></a>
  573. <span class="sourceLineNo">565</span> * @return An {@link org.jfree.chart.block.EntityBlockResult} or<a name="line.565"></a>
  574. <span class="sourceLineNo">566</span> * &lt;code&gt;null&lt;/code&gt;.<a name="line.566"></a>
  575. <span class="sourceLineNo">567</span> */<a name="line.567"></a>
  576. <span class="sourceLineNo">568</span> @Override<a name="line.568"></a>
  577. <span class="sourceLineNo">569</span> public Object draw(Graphics2D g2, Rectangle2D area, Object params) {<a name="line.569"></a>
  578. <span class="sourceLineNo">570</span> Rectangle2D target = (Rectangle2D) area.clone();<a name="line.570"></a>
  579. <span class="sourceLineNo">571</span> Rectangle2D hotspot = (Rectangle2D) area.clone();<a name="line.571"></a>
  580. <span class="sourceLineNo">572</span> StandardEntityCollection sec = null;<a name="line.572"></a>
  581. <span class="sourceLineNo">573</span> if (params instanceof EntityBlockParams<a name="line.573"></a>
  582. <span class="sourceLineNo">574</span> &amp;&amp; ((EntityBlockParams) params).getGenerateEntities()) {<a name="line.574"></a>
  583. <span class="sourceLineNo">575</span> sec = new StandardEntityCollection();<a name="line.575"></a>
  584. <span class="sourceLineNo">576</span> sec.add(new TitleEntity(hotspot, this));<a name="line.576"></a>
  585. <span class="sourceLineNo">577</span> }<a name="line.577"></a>
  586. <span class="sourceLineNo">578</span> target = trimMargin(target);<a name="line.578"></a>
  587. <span class="sourceLineNo">579</span> if (this.backgroundPaint != null) {<a name="line.579"></a>
  588. <span class="sourceLineNo">580</span> g2.setPaint(this.backgroundPaint);<a name="line.580"></a>
  589. <span class="sourceLineNo">581</span> g2.fill(target);<a name="line.581"></a>
  590. <span class="sourceLineNo">582</span> }<a name="line.582"></a>
  591. <span class="sourceLineNo">583</span> BlockFrame border = getFrame();<a name="line.583"></a>
  592. <span class="sourceLineNo">584</span> border.draw(g2, target);<a name="line.584"></a>
  593. <span class="sourceLineNo">585</span> border.getInsets().trim(target);<a name="line.585"></a>
  594. <span class="sourceLineNo">586</span> BlockContainer container = this.wrapper;<a name="line.586"></a>
  595. <span class="sourceLineNo">587</span> if (container == null) {<a name="line.587"></a>
  596. <span class="sourceLineNo">588</span> container = this.items;<a name="line.588"></a>
  597. <span class="sourceLineNo">589</span> }<a name="line.589"></a>
  598. <span class="sourceLineNo">590</span> target = trimPadding(target);<a name="line.590"></a>
  599. <span class="sourceLineNo">591</span> Object val = container.draw(g2, target, params);<a name="line.591"></a>
  600. <span class="sourceLineNo">592</span> if (val instanceof BlockResult) {<a name="line.592"></a>
  601. <span class="sourceLineNo">593</span> EntityCollection ec = ((BlockResult) val).getEntityCollection();<a name="line.593"></a>
  602. <span class="sourceLineNo">594</span> if (ec != null &amp;&amp; sec != null) {<a name="line.594"></a>
  603. <span class="sourceLineNo">595</span> sec.addAll(ec);<a name="line.595"></a>
  604. <span class="sourceLineNo">596</span> ((BlockResult) val).setEntityCollection(sec);<a name="line.596"></a>
  605. <span class="sourceLineNo">597</span> }<a name="line.597"></a>
  606. <span class="sourceLineNo">598</span> }<a name="line.598"></a>
  607. <span class="sourceLineNo">599</span> return val;<a name="line.599"></a>
  608. <span class="sourceLineNo">600</span> }<a name="line.600"></a>
  609. <span class="sourceLineNo">601</span><a name="line.601"></a>
  610. <span class="sourceLineNo">602</span> /**<a name="line.602"></a>
  611. <span class="sourceLineNo">603</span> * Returns the wrapper container, if any.<a name="line.603"></a>
  612. <span class="sourceLineNo">604</span> *<a name="line.604"></a>
  613. <span class="sourceLineNo">605</span> * @return The wrapper container (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.605"></a>
  614. <span class="sourceLineNo">606</span> *<a name="line.606"></a>
  615. <span class="sourceLineNo">607</span> * @since 1.0.11<a name="line.607"></a>
  616. <span class="sourceLineNo">608</span> */<a name="line.608"></a>
  617. <span class="sourceLineNo">609</span> public BlockContainer getWrapper() {<a name="line.609"></a>
  618. <span class="sourceLineNo">610</span> return this.wrapper;<a name="line.610"></a>
  619. <span class="sourceLineNo">611</span> }<a name="line.611"></a>
  620. <span class="sourceLineNo">612</span><a name="line.612"></a>
  621. <span class="sourceLineNo">613</span> /**<a name="line.613"></a>
  622. <span class="sourceLineNo">614</span> * Sets the wrapper container for the legend.<a name="line.614"></a>
  623. <span class="sourceLineNo">615</span> *<a name="line.615"></a>
  624. <span class="sourceLineNo">616</span> * @param wrapper the wrapper container.<a name="line.616"></a>
  625. <span class="sourceLineNo">617</span> */<a name="line.617"></a>
  626. <span class="sourceLineNo">618</span> public void setWrapper(BlockContainer wrapper) {<a name="line.618"></a>
  627. <span class="sourceLineNo">619</span> this.wrapper = wrapper;<a name="line.619"></a>
  628. <span class="sourceLineNo">620</span> }<a name="line.620"></a>
  629. <span class="sourceLineNo">621</span><a name="line.621"></a>
  630. <span class="sourceLineNo">622</span> /**<a name="line.622"></a>
  631. <span class="sourceLineNo">623</span> * Tests this title for equality with an arbitrary object.<a name="line.623"></a>
  632. <span class="sourceLineNo">624</span> *<a name="line.624"></a>
  633. <span class="sourceLineNo">625</span> * @param obj the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.625"></a>
  634. <span class="sourceLineNo">626</span> *<a name="line.626"></a>
  635. <span class="sourceLineNo">627</span> * @return A boolean.<a name="line.627"></a>
  636. <span class="sourceLineNo">628</span> */<a name="line.628"></a>
  637. <span class="sourceLineNo">629</span> @Override<a name="line.629"></a>
  638. <span class="sourceLineNo">630</span> public boolean equals(Object obj) {<a name="line.630"></a>
  639. <span class="sourceLineNo">631</span> if (obj == this) {<a name="line.631"></a>
  640. <span class="sourceLineNo">632</span> return true;<a name="line.632"></a>
  641. <span class="sourceLineNo">633</span> }<a name="line.633"></a>
  642. <span class="sourceLineNo">634</span> if (!(obj instanceof LegendTitle)) {<a name="line.634"></a>
  643. <span class="sourceLineNo">635</span> return false;<a name="line.635"></a>
  644. <span class="sourceLineNo">636</span> }<a name="line.636"></a>
  645. <span class="sourceLineNo">637</span> if (!super.equals(obj)) {<a name="line.637"></a>
  646. <span class="sourceLineNo">638</span> return false;<a name="line.638"></a>
  647. <span class="sourceLineNo">639</span> }<a name="line.639"></a>
  648. <span class="sourceLineNo">640</span> LegendTitle that = (LegendTitle) obj;<a name="line.640"></a>
  649. <span class="sourceLineNo">641</span> if (!PaintUtilities.equal(this.backgroundPaint, that.backgroundPaint)) {<a name="line.641"></a>
  650. <span class="sourceLineNo">642</span> return false;<a name="line.642"></a>
  651. <span class="sourceLineNo">643</span> }<a name="line.643"></a>
  652. <span class="sourceLineNo">644</span> if (this.legendItemGraphicEdge != that.legendItemGraphicEdge) {<a name="line.644"></a>
  653. <span class="sourceLineNo">645</span> return false;<a name="line.645"></a>
  654. <span class="sourceLineNo">646</span> }<a name="line.646"></a>
  655. <span class="sourceLineNo">647</span> if (this.legendItemGraphicAnchor != that.legendItemGraphicAnchor) {<a name="line.647"></a>
  656. <span class="sourceLineNo">648</span> return false;<a name="line.648"></a>
  657. <span class="sourceLineNo">649</span> }<a name="line.649"></a>
  658. <span class="sourceLineNo">650</span> if (this.legendItemGraphicLocation != that.legendItemGraphicLocation) {<a name="line.650"></a>
  659. <span class="sourceLineNo">651</span> return false;<a name="line.651"></a>
  660. <span class="sourceLineNo">652</span> }<a name="line.652"></a>
  661. <span class="sourceLineNo">653</span> if (!this.itemFont.equals(that.itemFont)) {<a name="line.653"></a>
  662. <span class="sourceLineNo">654</span> return false;<a name="line.654"></a>
  663. <span class="sourceLineNo">655</span> }<a name="line.655"></a>
  664. <span class="sourceLineNo">656</span> if (!this.itemPaint.equals(that.itemPaint)) {<a name="line.656"></a>
  665. <span class="sourceLineNo">657</span> return false;<a name="line.657"></a>
  666. <span class="sourceLineNo">658</span> }<a name="line.658"></a>
  667. <span class="sourceLineNo">659</span> if (!this.hLayout.equals(that.hLayout)) {<a name="line.659"></a>
  668. <span class="sourceLineNo">660</span> return false;<a name="line.660"></a>
  669. <span class="sourceLineNo">661</span> }<a name="line.661"></a>
  670. <span class="sourceLineNo">662</span> if (!this.vLayout.equals(that.vLayout)) {<a name="line.662"></a>
  671. <span class="sourceLineNo">663</span> return false;<a name="line.663"></a>
  672. <span class="sourceLineNo">664</span> }<a name="line.664"></a>
  673. <span class="sourceLineNo">665</span> if (!this.sortOrder.equals(that.sortOrder)) {<a name="line.665"></a>
  674. <span class="sourceLineNo">666</span> return false;<a name="line.666"></a>
  675. <span class="sourceLineNo">667</span> }<a name="line.667"></a>
  676. <span class="sourceLineNo">668</span> return true;<a name="line.668"></a>
  677. <span class="sourceLineNo">669</span> }<a name="line.669"></a>
  678. <span class="sourceLineNo">670</span><a name="line.670"></a>
  679. <span class="sourceLineNo">671</span> /**<a name="line.671"></a>
  680. <span class="sourceLineNo">672</span> * Provides serialization support.<a name="line.672"></a>
  681. <span class="sourceLineNo">673</span> *<a name="line.673"></a>
  682. <span class="sourceLineNo">674</span> * @param stream the output stream.<a name="line.674"></a>
  683. <span class="sourceLineNo">675</span> *<a name="line.675"></a>
  684. <span class="sourceLineNo">676</span> * @throws IOException if there is an I/O error.<a name="line.676"></a>
  685. <span class="sourceLineNo">677</span> */<a name="line.677"></a>
  686. <span class="sourceLineNo">678</span> private void writeObject(ObjectOutputStream stream) throws IOException {<a name="line.678"></a>
  687. <span class="sourceLineNo">679</span> stream.defaultWriteObject();<a name="line.679"></a>
  688. <span class="sourceLineNo">680</span> SerialUtilities.writePaint(this.backgroundPaint, stream);<a name="line.680"></a>
  689. <span class="sourceLineNo">681</span> SerialUtilities.writePaint(this.itemPaint, stream);<a name="line.681"></a>
  690. <span class="sourceLineNo">682</span> }<a name="line.682"></a>
  691. <span class="sourceLineNo">683</span><a name="line.683"></a>
  692. <span class="sourceLineNo">684</span> /**<a name="line.684"></a>
  693. <span class="sourceLineNo">685</span> * Provides serialization support.<a name="line.685"></a>
  694. <span class="sourceLineNo">686</span> *<a name="line.686"></a>
  695. <span class="sourceLineNo">687</span> * @param stream the input stream.<a name="line.687"></a>
  696. <span class="sourceLineNo">688</span> *<a name="line.688"></a>
  697. <span class="sourceLineNo">689</span> * @throws IOException if there is an I/O error.<a name="line.689"></a>
  698. <span class="sourceLineNo">690</span> * @throws ClassNotFoundException if there is a classpath problem.<a name="line.690"></a>
  699. <span class="sourceLineNo">691</span> */<a name="line.691"></a>
  700. <span class="sourceLineNo">692</span> private void readObject(ObjectInputStream stream)<a name="line.692"></a>
  701. <span class="sourceLineNo">693</span> throws IOException, ClassNotFoundException {<a name="line.693"></a>
  702. <span class="sourceLineNo">694</span> stream.defaultReadObject();<a name="line.694"></a>
  703. <span class="sourceLineNo">695</span> this.backgroundPaint = SerialUtilities.readPaint(stream);<a name="line.695"></a>
  704. <span class="sourceLineNo">696</span> this.itemPaint = SerialUtilities.readPaint(stream);<a name="line.696"></a>
  705. <span class="sourceLineNo">697</span> }<a name="line.697"></a>
  706. <span class="sourceLineNo">698</span><a name="line.698"></a>
  707. <span class="sourceLineNo">699</span>}<a name="line.699"></a>
  708. </pre>
  709. </div>
  710. </body>
  711. </html>