ChartViewer.html 33 KB

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  4. <title>Source code</title>
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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 2000-2014, 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> * ChartViewer.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 2014, by Object Refinery Limited and Contributors.<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): -;<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> * 27-Jun-2014 : Version 1 (DG);<a name="line.37"></a>
  46. <span class="sourceLineNo">038</span> *<a name="line.38"></a>
  47. <span class="sourceLineNo">039</span> */<a name="line.39"></a>
  48. <span class="sourceLineNo">040</span><a name="line.40"></a>
  49. <span class="sourceLineNo">041</span>package org.jfree.chart.fx;<a name="line.41"></a>
  50. <span class="sourceLineNo">042</span><a name="line.42"></a>
  51. <span class="sourceLineNo">043</span>import java.io.File;<a name="line.43"></a>
  52. <span class="sourceLineNo">044</span>import java.io.IOException;<a name="line.44"></a>
  53. <span class="sourceLineNo">045</span>import java.util.ArrayList;<a name="line.45"></a>
  54. <span class="sourceLineNo">046</span>import java.util.List;<a name="line.46"></a>
  55. <span class="sourceLineNo">047</span>import javafx.event.ActionEvent;<a name="line.47"></a>
  56. <span class="sourceLineNo">048</span>import javafx.scene.control.ContextMenu;<a name="line.48"></a>
  57. <span class="sourceLineNo">049</span>import javafx.scene.control.Control;<a name="line.49"></a>
  58. <span class="sourceLineNo">050</span>import javafx.scene.control.Menu;<a name="line.50"></a>
  59. <span class="sourceLineNo">051</span>import javafx.scene.control.MenuItem;<a name="line.51"></a>
  60. <span class="sourceLineNo">052</span>import javafx.scene.control.Skinnable;<a name="line.52"></a>
  61. <span class="sourceLineNo">053</span>import javafx.stage.FileChooser;<a name="line.53"></a>
  62. <span class="sourceLineNo">054</span>import javafx.stage.WindowEvent;<a name="line.54"></a>
  63. <span class="sourceLineNo">055</span>import org.jfree.chart.ChartMouseEvent;<a name="line.55"></a>
  64. <span class="sourceLineNo">056</span>import org.jfree.chart.ChartRenderingInfo;<a name="line.56"></a>
  65. <span class="sourceLineNo">057</span>import org.jfree.chart.JFreeChart;<a name="line.57"></a>
  66. <span class="sourceLineNo">058</span>import org.jfree.chart.fx.interaction.ChartMouseEventFX;<a name="line.58"></a>
  67. <span class="sourceLineNo">059</span>import org.jfree.chart.fx.interaction.ChartMouseListenerFX;<a name="line.59"></a>
  68. <span class="sourceLineNo">060</span>import org.jfree.chart.util.ExportUtils;<a name="line.60"></a>
  69. <span class="sourceLineNo">061</span>import org.jfree.chart.util.ParamChecks;<a name="line.61"></a>
  70. <span class="sourceLineNo">062</span><a name="line.62"></a>
  71. <span class="sourceLineNo">063</span>/**<a name="line.63"></a>
  72. <span class="sourceLineNo">064</span> * A control for displaying a {@link JFreeChart} in JavaFX (embeds a <a name="line.64"></a>
  73. <span class="sourceLineNo">065</span> * {@link ChartCanvas}, adds drag zooming and provides a popup menu for export<a name="line.65"></a>
  74. <span class="sourceLineNo">066</span> * to PNG/JPG/SVG and PDF formats). Many behaviours(tooltips, zooming etc) are <a name="line.66"></a>
  75. <span class="sourceLineNo">067</span> * provided directly by the canvas.<a name="line.67"></a>
  76. <span class="sourceLineNo">068</span> * <a name="line.68"></a>
  77. <span class="sourceLineNo">069</span> * &lt;p&gt;THE API FOR THIS CLASS IS SUBJECT TO CHANGE IN FUTURE RELEASES. This is<a name="line.69"></a>
  78. <span class="sourceLineNo">070</span> * so that we can incorporate feedback on the (new) JavaFX support in <a name="line.70"></a>
  79. <span class="sourceLineNo">071</span> * JFreeChart.&lt;/p&gt;<a name="line.71"></a>
  80. <span class="sourceLineNo">072</span> * <a name="line.72"></a>
  81. <span class="sourceLineNo">073</span> * @since 1.0.18<a name="line.73"></a>
  82. <span class="sourceLineNo">074</span> */<a name="line.74"></a>
  83. <span class="sourceLineNo">075</span>public class ChartViewer extends Control implements Skinnable, <a name="line.75"></a>
  84. <span class="sourceLineNo">076</span> ChartMouseListenerFX {<a name="line.76"></a>
  85. <span class="sourceLineNo">077</span> <a name="line.77"></a>
  86. <span class="sourceLineNo">078</span> /** The chart to display. */<a name="line.78"></a>
  87. <span class="sourceLineNo">079</span> private JFreeChart chart;<a name="line.79"></a>
  88. <span class="sourceLineNo">080</span> <a name="line.80"></a>
  89. <span class="sourceLineNo">081</span> /** The context menu that will be attached to the canvas. */<a name="line.81"></a>
  90. <span class="sourceLineNo">082</span> private ContextMenu contextMenu;<a name="line.82"></a>
  91. <span class="sourceLineNo">083</span><a name="line.83"></a>
  92. <span class="sourceLineNo">084</span> /** Does the viewer show tooltips from the chart? */<a name="line.84"></a>
  93. <span class="sourceLineNo">085</span> private boolean tooltipEnabled;<a name="line.85"></a>
  94. <span class="sourceLineNo">086</span> <a name="line.86"></a>
  95. <span class="sourceLineNo">087</span> /** Storage for registered chart mouse listeners. */<a name="line.87"></a>
  96. <span class="sourceLineNo">088</span> private transient List&lt;ChartMouseListenerFX&gt; chartMouseListeners;<a name="line.88"></a>
  97. <span class="sourceLineNo">089</span><a name="line.89"></a>
  98. <span class="sourceLineNo">090</span> /**<a name="line.90"></a>
  99. <span class="sourceLineNo">091</span> * Creates a new viewer to display the supplied chart in JavaFX.<a name="line.91"></a>
  100. <span class="sourceLineNo">092</span> * <a name="line.92"></a>
  101. <span class="sourceLineNo">093</span> * @param chart the chart ({@code null} not permitted). <a name="line.93"></a>
  102. <span class="sourceLineNo">094</span> */<a name="line.94"></a>
  103. <span class="sourceLineNo">095</span> public ChartViewer(JFreeChart chart) {<a name="line.95"></a>
  104. <span class="sourceLineNo">096</span> this(chart, true);<a name="line.96"></a>
  105. <span class="sourceLineNo">097</span> }<a name="line.97"></a>
  106. <span class="sourceLineNo">098</span> <a name="line.98"></a>
  107. <span class="sourceLineNo">099</span> /**<a name="line.99"></a>
  108. <span class="sourceLineNo">100</span> * Creates a new viewer instance.<a name="line.100"></a>
  109. <span class="sourceLineNo">101</span> * <a name="line.101"></a>
  110. <span class="sourceLineNo">102</span> * @param chart the chart ({@code null} not permitted).<a name="line.102"></a>
  111. <span class="sourceLineNo">103</span> * @param contextMenuEnabled enable the context menu?<a name="line.103"></a>
  112. <span class="sourceLineNo">104</span> */<a name="line.104"></a>
  113. <span class="sourceLineNo">105</span> public ChartViewer(JFreeChart chart, boolean contextMenuEnabled) {<a name="line.105"></a>
  114. <span class="sourceLineNo">106</span> ParamChecks.nullNotPermitted(chart, "chart");<a name="line.106"></a>
  115. <span class="sourceLineNo">107</span> this.chart = chart;<a name="line.107"></a>
  116. <span class="sourceLineNo">108</span> getStyleClass().add("chart-control");<a name="line.108"></a>
  117. <span class="sourceLineNo">109</span> this.contextMenu = createContextMenu();<a name="line.109"></a>
  118. <span class="sourceLineNo">110</span> this.contextMenu.setOnShowing((WindowEvent event) -&gt; {<a name="line.110"></a>
  119. <span class="sourceLineNo">111</span> ChartViewer.this.setTooltipEnabled(false);<a name="line.111"></a>
  120. <span class="sourceLineNo">112</span> });<a name="line.112"></a>
  121. <span class="sourceLineNo">113</span> this.contextMenu.setOnHiding((WindowEvent event) -&gt; {<a name="line.113"></a>
  122. <span class="sourceLineNo">114</span> ChartViewer.this.setTooltipEnabled(true);<a name="line.114"></a>
  123. <span class="sourceLineNo">115</span> });<a name="line.115"></a>
  124. <span class="sourceLineNo">116</span> setContextMenu(this.contextMenu);<a name="line.116"></a>
  125. <span class="sourceLineNo">117</span> this.tooltipEnabled = true;<a name="line.117"></a>
  126. <span class="sourceLineNo">118</span> this.chartMouseListeners = new ArrayList&lt;ChartMouseListenerFX&gt;();<a name="line.118"></a>
  127. <span class="sourceLineNo">119</span> }<a name="line.119"></a>
  128. <span class="sourceLineNo">120</span> <a name="line.120"></a>
  129. <span class="sourceLineNo">121</span> @Override<a name="line.121"></a>
  130. <span class="sourceLineNo">122</span> protected String getUserAgentStylesheet() {<a name="line.122"></a>
  131. <span class="sourceLineNo">123</span> return ChartViewer.class.getResource("chart-viewer.css")<a name="line.123"></a>
  132. <span class="sourceLineNo">124</span> .toExternalForm();<a name="line.124"></a>
  133. <span class="sourceLineNo">125</span> }<a name="line.125"></a>
  134. <span class="sourceLineNo">126</span><a name="line.126"></a>
  135. <span class="sourceLineNo">127</span> /**<a name="line.127"></a>
  136. <span class="sourceLineNo">128</span> * Returns the chart that is being displayed by this node.<a name="line.128"></a>
  137. <span class="sourceLineNo">129</span> * <a name="line.129"></a>
  138. <span class="sourceLineNo">130</span> * @return The chart (never {@code null}). <a name="line.130"></a>
  139. <span class="sourceLineNo">131</span> */<a name="line.131"></a>
  140. <span class="sourceLineNo">132</span> public JFreeChart getChart() {<a name="line.132"></a>
  141. <span class="sourceLineNo">133</span> return this.chart;<a name="line.133"></a>
  142. <span class="sourceLineNo">134</span> }<a name="line.134"></a>
  143. <span class="sourceLineNo">135</span> <a name="line.135"></a>
  144. <span class="sourceLineNo">136</span> /**<a name="line.136"></a>
  145. <span class="sourceLineNo">137</span> * Sets the chart to be displayed by this node.<a name="line.137"></a>
  146. <span class="sourceLineNo">138</span> * <a name="line.138"></a>
  147. <span class="sourceLineNo">139</span> * @param chart the chart ({@code null} not permitted). <a name="line.139"></a>
  148. <span class="sourceLineNo">140</span> */<a name="line.140"></a>
  149. <span class="sourceLineNo">141</span> public void setChart(JFreeChart chart) {<a name="line.141"></a>
  150. <span class="sourceLineNo">142</span> ParamChecks.nullNotPermitted(chart, "chart");<a name="line.142"></a>
  151. <span class="sourceLineNo">143</span> this.chart = chart;<a name="line.143"></a>
  152. <span class="sourceLineNo">144</span> ChartViewerSkin skin = (ChartViewerSkin) getSkin();<a name="line.144"></a>
  153. <span class="sourceLineNo">145</span> skin.setChart(chart);<a name="line.145"></a>
  154. <span class="sourceLineNo">146</span> }<a name="line.146"></a>
  155. <span class="sourceLineNo">147</span> <a name="line.147"></a>
  156. <span class="sourceLineNo">148</span> /**<a name="line.148"></a>
  157. <span class="sourceLineNo">149</span> * Returns the flag that controls whether or not tooltips are displayed<a name="line.149"></a>
  158. <span class="sourceLineNo">150</span> * for the chart.<a name="line.150"></a>
  159. <span class="sourceLineNo">151</span> * <a name="line.151"></a>
  160. <span class="sourceLineNo">152</span> * @return A boolean.<a name="line.152"></a>
  161. <span class="sourceLineNo">153</span> */<a name="line.153"></a>
  162. <span class="sourceLineNo">154</span> public boolean isTooltipEnabled() {<a name="line.154"></a>
  163. <span class="sourceLineNo">155</span> return this.tooltipEnabled; <a name="line.155"></a>
  164. <span class="sourceLineNo">156</span> }<a name="line.156"></a>
  165. <span class="sourceLineNo">157</span> <a name="line.157"></a>
  166. <span class="sourceLineNo">158</span> /**<a name="line.158"></a>
  167. <span class="sourceLineNo">159</span> * Sets the flag that controls whether or not the chart tooltips are shown<a name="line.159"></a>
  168. <span class="sourceLineNo">160</span> * by this viewer.<a name="line.160"></a>
  169. <span class="sourceLineNo">161</span> * <a name="line.161"></a>
  170. <span class="sourceLineNo">162</span> * @param enabled the new flag value. <a name="line.162"></a>
  171. <span class="sourceLineNo">163</span> */<a name="line.163"></a>
  172. <span class="sourceLineNo">164</span> public void setTooltipEnabled(boolean enabled) {<a name="line.164"></a>
  173. <span class="sourceLineNo">165</span> this.tooltipEnabled = enabled;<a name="line.165"></a>
  174. <span class="sourceLineNo">166</span> ChartViewerSkin skin = (ChartViewerSkin) getSkin();<a name="line.166"></a>
  175. <span class="sourceLineNo">167</span> if (skin != null) {<a name="line.167"></a>
  176. <span class="sourceLineNo">168</span> skin.setTooltipEnabled(enabled); <a name="line.168"></a>
  177. <span class="sourceLineNo">169</span> }<a name="line.169"></a>
  178. <span class="sourceLineNo">170</span> }<a name="line.170"></a>
  179. <span class="sourceLineNo">171</span><a name="line.171"></a>
  180. <span class="sourceLineNo">172</span> /**<a name="line.172"></a>
  181. <span class="sourceLineNo">173</span> * Returns the rendering info from the most recent drawing of the chart.<a name="line.173"></a>
  182. <span class="sourceLineNo">174</span> * <a name="line.174"></a>
  183. <span class="sourceLineNo">175</span> * @return The rendering info (possibly {@code null}). <a name="line.175"></a>
  184. <span class="sourceLineNo">176</span> */<a name="line.176"></a>
  185. <span class="sourceLineNo">177</span> public ChartRenderingInfo getRenderingInfo() {<a name="line.177"></a>
  186. <span class="sourceLineNo">178</span> ChartViewerSkin skin = (ChartViewerSkin) getSkin();<a name="line.178"></a>
  187. <span class="sourceLineNo">179</span> if (skin != null) {<a name="line.179"></a>
  188. <span class="sourceLineNo">180</span> return skin.getRenderingInfo();<a name="line.180"></a>
  189. <span class="sourceLineNo">181</span> }<a name="line.181"></a>
  190. <span class="sourceLineNo">182</span> return null;<a name="line.182"></a>
  191. <span class="sourceLineNo">183</span> }<a name="line.183"></a>
  192. <span class="sourceLineNo">184</span><a name="line.184"></a>
  193. <span class="sourceLineNo">185</span> /**<a name="line.185"></a>
  194. <span class="sourceLineNo">186</span> * Hides the zoom rectangle. The work is delegated to the control's <a name="line.186"></a>
  195. <span class="sourceLineNo">187</span> * current skin.<a name="line.187"></a>
  196. <span class="sourceLineNo">188</span> */<a name="line.188"></a>
  197. <span class="sourceLineNo">189</span> public void hideZoomRectangle() {<a name="line.189"></a>
  198. <span class="sourceLineNo">190</span> ChartViewerSkin skin = (ChartViewerSkin) getSkin();<a name="line.190"></a>
  199. <span class="sourceLineNo">191</span> skin.setZoomRectangleVisible(false);<a name="line.191"></a>
  200. <span class="sourceLineNo">192</span> }<a name="line.192"></a>
  201. <span class="sourceLineNo">193</span> <a name="line.193"></a>
  202. <span class="sourceLineNo">194</span> /**<a name="line.194"></a>
  203. <span class="sourceLineNo">195</span> * Sets the size and location of the zoom rectangle and makes it visible<a name="line.195"></a>
  204. <span class="sourceLineNo">196</span> * if it wasn't already visible. The work is delegated to the control's <a name="line.196"></a>
  205. <span class="sourceLineNo">197</span> * current skin.<a name="line.197"></a>
  206. <span class="sourceLineNo">198</span> * <a name="line.198"></a>
  207. <span class="sourceLineNo">199</span> * @param x the x-location.<a name="line.199"></a>
  208. <span class="sourceLineNo">200</span> * @param y the y-location.<a name="line.200"></a>
  209. <span class="sourceLineNo">201</span> * @param w the width.<a name="line.201"></a>
  210. <span class="sourceLineNo">202</span> * @param h the height.<a name="line.202"></a>
  211. <span class="sourceLineNo">203</span> */<a name="line.203"></a>
  212. <span class="sourceLineNo">204</span> public void showZoomRectangle(double x, double y, double w, double h) {<a name="line.204"></a>
  213. <span class="sourceLineNo">205</span> ChartViewerSkin skin = (ChartViewerSkin) getSkin();<a name="line.205"></a>
  214. <span class="sourceLineNo">206</span> skin.showZoomRectangle(x, y, w, h);<a name="line.206"></a>
  215. <span class="sourceLineNo">207</span> }<a name="line.207"></a>
  216. <span class="sourceLineNo">208</span> <a name="line.208"></a>
  217. <span class="sourceLineNo">209</span> /**<a name="line.209"></a>
  218. <span class="sourceLineNo">210</span> * Registers a listener to receive {@link ChartMouseEvent} notifications<a name="line.210"></a>
  219. <span class="sourceLineNo">211</span> * from this viewer.<a name="line.211"></a>
  220. <span class="sourceLineNo">212</span> *<a name="line.212"></a>
  221. <span class="sourceLineNo">213</span> * @param listener the listener ({@code null} not permitted).<a name="line.213"></a>
  222. <span class="sourceLineNo">214</span> */<a name="line.214"></a>
  223. <span class="sourceLineNo">215</span> public void addChartMouseListener(ChartMouseListenerFX listener) {<a name="line.215"></a>
  224. <span class="sourceLineNo">216</span> ParamChecks.nullNotPermitted(listener, "listener");<a name="line.216"></a>
  225. <span class="sourceLineNo">217</span> this.chartMouseListeners.add(listener);<a name="line.217"></a>
  226. <span class="sourceLineNo">218</span> }<a name="line.218"></a>
  227. <span class="sourceLineNo">219</span><a name="line.219"></a>
  228. <span class="sourceLineNo">220</span> /**<a name="line.220"></a>
  229. <span class="sourceLineNo">221</span> * Removes a listener from the list of objects listening for chart mouse<a name="line.221"></a>
  230. <span class="sourceLineNo">222</span> * events.<a name="line.222"></a>
  231. <span class="sourceLineNo">223</span> *<a name="line.223"></a>
  232. <span class="sourceLineNo">224</span> * @param listener the listener.<a name="line.224"></a>
  233. <span class="sourceLineNo">225</span> */<a name="line.225"></a>
  234. <span class="sourceLineNo">226</span> public void removeChartMouseListener(ChartMouseListenerFX listener) {<a name="line.226"></a>
  235. <span class="sourceLineNo">227</span> ParamChecks.nullNotPermitted(listener, "listener");<a name="line.227"></a>
  236. <span class="sourceLineNo">228</span> this.chartMouseListeners.remove(listener);<a name="line.228"></a>
  237. <span class="sourceLineNo">229</span> }<a name="line.229"></a>
  238. <span class="sourceLineNo">230</span><a name="line.230"></a>
  239. <span class="sourceLineNo">231</span> /**<a name="line.231"></a>
  240. <span class="sourceLineNo">232</span> * Creates the context menu.<a name="line.232"></a>
  241. <span class="sourceLineNo">233</span> * <a name="line.233"></a>
  242. <span class="sourceLineNo">234</span> * @return The context menu.<a name="line.234"></a>
  243. <span class="sourceLineNo">235</span> */<a name="line.235"></a>
  244. <span class="sourceLineNo">236</span> private ContextMenu createContextMenu() {<a name="line.236"></a>
  245. <span class="sourceLineNo">237</span> final ContextMenu menu = new ContextMenu();<a name="line.237"></a>
  246. <span class="sourceLineNo">238</span> <a name="line.238"></a>
  247. <span class="sourceLineNo">239</span> Menu export = new Menu("Export As");<a name="line.239"></a>
  248. <span class="sourceLineNo">240</span> <a name="line.240"></a>
  249. <span class="sourceLineNo">241</span> MenuItem pngItem = new MenuItem("PNG...");<a name="line.241"></a>
  250. <span class="sourceLineNo">242</span> pngItem.setOnAction((ActionEvent e) -&gt; { handleExportToPNG(); }); <a name="line.242"></a>
  251. <span class="sourceLineNo">243</span> export.getItems().add(pngItem);<a name="line.243"></a>
  252. <span class="sourceLineNo">244</span> <a name="line.244"></a>
  253. <span class="sourceLineNo">245</span> MenuItem jpegItem = new MenuItem("JPEG...");<a name="line.245"></a>
  254. <span class="sourceLineNo">246</span> jpegItem.setOnAction((ActionEvent e) -&gt; { handleExportToJPEG(); }); <a name="line.246"></a>
  255. <span class="sourceLineNo">247</span> export.getItems().add(jpegItem);<a name="line.247"></a>
  256. <span class="sourceLineNo">248</span> <a name="line.248"></a>
  257. <span class="sourceLineNo">249</span> if (ExportUtils.isOrsonPDFAvailable()) {<a name="line.249"></a>
  258. <span class="sourceLineNo">250</span> MenuItem pdfItem = new MenuItem("PDF...");<a name="line.250"></a>
  259. <span class="sourceLineNo">251</span> pdfItem.setOnAction((ActionEvent e) -&gt; {<a name="line.251"></a>
  260. <span class="sourceLineNo">252</span> handleExportToPDF();<a name="line.252"></a>
  261. <span class="sourceLineNo">253</span> });<a name="line.253"></a>
  262. <span class="sourceLineNo">254</span> export.getItems().add(pdfItem);<a name="line.254"></a>
  263. <span class="sourceLineNo">255</span> }<a name="line.255"></a>
  264. <span class="sourceLineNo">256</span> if (ExportUtils.isJFreeSVGAvailable()) {<a name="line.256"></a>
  265. <span class="sourceLineNo">257</span> MenuItem svgItem = new MenuItem("SVG...");<a name="line.257"></a>
  266. <span class="sourceLineNo">258</span> svgItem.setOnAction((ActionEvent e) -&gt; {<a name="line.258"></a>
  267. <span class="sourceLineNo">259</span> handleExportToSVG();<a name="line.259"></a>
  268. <span class="sourceLineNo">260</span> });<a name="line.260"></a>
  269. <span class="sourceLineNo">261</span> export.getItems().add(svgItem); <a name="line.261"></a>
  270. <span class="sourceLineNo">262</span> }<a name="line.262"></a>
  271. <span class="sourceLineNo">263</span> menu.getItems().add(export);<a name="line.263"></a>
  272. <span class="sourceLineNo">264</span> return menu;<a name="line.264"></a>
  273. <span class="sourceLineNo">265</span> }<a name="line.265"></a>
  274. <span class="sourceLineNo">266</span> <a name="line.266"></a>
  275. <span class="sourceLineNo">267</span> /**<a name="line.267"></a>
  276. <span class="sourceLineNo">268</span> * A handler for the export to PDF option in the context menu.<a name="line.268"></a>
  277. <span class="sourceLineNo">269</span> */<a name="line.269"></a>
  278. <span class="sourceLineNo">270</span> private void handleExportToPDF() {<a name="line.270"></a>
  279. <span class="sourceLineNo">271</span> FileChooser fileChooser = new FileChooser();<a name="line.271"></a>
  280. <span class="sourceLineNo">272</span> fileChooser.setSelectedExtensionFilter(new FileChooser.ExtensionFilter(<a name="line.272"></a>
  281. <span class="sourceLineNo">273</span> "Portable Document Format (PDF)", "pdf"));<a name="line.273"></a>
  282. <span class="sourceLineNo">274</span> fileChooser.setTitle("Export to PDF");<a name="line.274"></a>
  283. <span class="sourceLineNo">275</span> File file = fileChooser.showSaveDialog(this.getScene().getWindow());<a name="line.275"></a>
  284. <span class="sourceLineNo">276</span> if (file != null) {<a name="line.276"></a>
  285. <span class="sourceLineNo">277</span> ExportUtils.writeAsPDF(this.chart, (int) getWidth(), <a name="line.277"></a>
  286. <span class="sourceLineNo">278</span> (int) getHeight(), file);<a name="line.278"></a>
  287. <span class="sourceLineNo">279</span> } <a name="line.279"></a>
  288. <span class="sourceLineNo">280</span> }<a name="line.280"></a>
  289. <span class="sourceLineNo">281</span> <a name="line.281"></a>
  290. <span class="sourceLineNo">282</span> /**<a name="line.282"></a>
  291. <span class="sourceLineNo">283</span> * A handler for the export to SVG option in the context menu.<a name="line.283"></a>
  292. <span class="sourceLineNo">284</span> */<a name="line.284"></a>
  293. <span class="sourceLineNo">285</span> private void handleExportToSVG() {<a name="line.285"></a>
  294. <span class="sourceLineNo">286</span> FileChooser fileChooser = new FileChooser();<a name="line.286"></a>
  295. <span class="sourceLineNo">287</span> fileChooser.setTitle("Export to SVG");<a name="line.287"></a>
  296. <span class="sourceLineNo">288</span> fileChooser.setSelectedExtensionFilter(new FileChooser.ExtensionFilter(<a name="line.288"></a>
  297. <span class="sourceLineNo">289</span> "Scalable Vector Graphics (SVG)", "svg"));<a name="line.289"></a>
  298. <span class="sourceLineNo">290</span> File file = fileChooser.showSaveDialog(this.getScene().getWindow());<a name="line.290"></a>
  299. <span class="sourceLineNo">291</span> if (file != null) {<a name="line.291"></a>
  300. <span class="sourceLineNo">292</span> ExportUtils.writeAsSVG(this.chart, (int) getWidth(), <a name="line.292"></a>
  301. <span class="sourceLineNo">293</span> (int) getHeight(), file);<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> <a name="line.296"></a>
  305. <span class="sourceLineNo">297</span> /**<a name="line.297"></a>
  306. <span class="sourceLineNo">298</span> * A handler for the export to PNG option in the context menu.<a name="line.298"></a>
  307. <span class="sourceLineNo">299</span> */<a name="line.299"></a>
  308. <span class="sourceLineNo">300</span> private void handleExportToPNG() {<a name="line.300"></a>
  309. <span class="sourceLineNo">301</span> FileChooser fileChooser = new FileChooser();<a name="line.301"></a>
  310. <span class="sourceLineNo">302</span> fileChooser.setTitle("Export to PNG");<a name="line.302"></a>
  311. <span class="sourceLineNo">303</span> fileChooser.setSelectedExtensionFilter(new FileChooser.ExtensionFilter(<a name="line.303"></a>
  312. <span class="sourceLineNo">304</span> "Portable Network Graphics (PNG)", "png"));<a name="line.304"></a>
  313. <span class="sourceLineNo">305</span> File file = fileChooser.showSaveDialog(this.getScene().getWindow());<a name="line.305"></a>
  314. <span class="sourceLineNo">306</span> if (file != null) {<a name="line.306"></a>
  315. <span class="sourceLineNo">307</span> try {<a name="line.307"></a>
  316. <span class="sourceLineNo">308</span> ExportUtils.writeAsPNG(this.chart, (int) getWidth(),<a name="line.308"></a>
  317. <span class="sourceLineNo">309</span> (int) getHeight(), file);<a name="line.309"></a>
  318. <span class="sourceLineNo">310</span> } catch (IOException ex) {<a name="line.310"></a>
  319. <span class="sourceLineNo">311</span> // FIXME: show a dialog with the error<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> }<a name="line.314"></a>
  323. <span class="sourceLineNo">315</span><a name="line.315"></a>
  324. <span class="sourceLineNo">316</span> /**<a name="line.316"></a>
  325. <span class="sourceLineNo">317</span> * A handler for the export to JPEG option in the context menu.<a name="line.317"></a>
  326. <span class="sourceLineNo">318</span> */<a name="line.318"></a>
  327. <span class="sourceLineNo">319</span> private void handleExportToJPEG() {<a name="line.319"></a>
  328. <span class="sourceLineNo">320</span> FileChooser fileChooser = new FileChooser();<a name="line.320"></a>
  329. <span class="sourceLineNo">321</span> fileChooser.setTitle("Export to JPEG");<a name="line.321"></a>
  330. <span class="sourceLineNo">322</span> fileChooser.setSelectedExtensionFilter(new FileChooser.ExtensionFilter(<a name="line.322"></a>
  331. <span class="sourceLineNo">323</span> "JPEG", "jpg"));<a name="line.323"></a>
  332. <span class="sourceLineNo">324</span> File file = fileChooser.showSaveDialog(this.getScene().getWindow());<a name="line.324"></a>
  333. <span class="sourceLineNo">325</span> if (file != null) {<a name="line.325"></a>
  334. <span class="sourceLineNo">326</span> try {<a name="line.326"></a>
  335. <span class="sourceLineNo">327</span> ExportUtils.writeAsJPEG(this.chart, (int) getWidth(),<a name="line.327"></a>
  336. <span class="sourceLineNo">328</span> (int) getHeight(), file);<a name="line.328"></a>
  337. <span class="sourceLineNo">329</span> } catch (IOException ex) {<a name="line.329"></a>
  338. <span class="sourceLineNo">330</span> // FIXME: show a dialog with the error<a name="line.330"></a>
  339. <span class="sourceLineNo">331</span> }<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> @Override<a name="line.335"></a>
  344. <span class="sourceLineNo">336</span> public void chartMouseClicked(ChartMouseEventFX event) {<a name="line.336"></a>
  345. <span class="sourceLineNo">337</span> // relay the event from the canvas to our registered listeners<a name="line.337"></a>
  346. <span class="sourceLineNo">338</span> for (ChartMouseListenerFX listener: this.chartMouseListeners) {<a name="line.338"></a>
  347. <span class="sourceLineNo">339</span> listener.chartMouseClicked(event);<a name="line.339"></a>
  348. <span class="sourceLineNo">340</span> }<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> @Override<a name="line.343"></a>
  352. <span class="sourceLineNo">344</span> public void chartMouseMoved(ChartMouseEventFX event) {<a name="line.344"></a>
  353. <span class="sourceLineNo">345</span> // relay the event from the canvas to our registered listeners<a name="line.345"></a>
  354. <span class="sourceLineNo">346</span> for (ChartMouseListenerFX listener: this.chartMouseListeners) {<a name="line.346"></a>
  355. <span class="sourceLineNo">347</span> listener.chartMouseMoved(event);<a name="line.347"></a>
  356. <span class="sourceLineNo">348</span> }<a name="line.348"></a>
  357. <span class="sourceLineNo">349</span> }<a name="line.349"></a>
  358. <span class="sourceLineNo">350</span> <a name="line.350"></a>
  359. <span class="sourceLineNo">351</span>}<a name="line.351"></a>
  360. <span class="sourceLineNo">352</span><a name="line.352"></a>
  361. </pre>
  362. </div>
  363. </body>
  364. </html>