ChartViewerSkin.html 19 KB

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  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> * ChartViewerSkin.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> * 20-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 org.jfree.chart.fx.interaction.ZoomHandlerFX;<a name="line.43"></a>
  52. <span class="sourceLineNo">044</span>import javafx.scene.control.SkinBase;<a name="line.44"></a>
  53. <span class="sourceLineNo">045</span>import javafx.scene.layout.BorderPane;<a name="line.45"></a>
  54. <span class="sourceLineNo">046</span>import javafx.scene.layout.StackPane;<a name="line.46"></a>
  55. <span class="sourceLineNo">047</span>import javafx.scene.paint.Color;<a name="line.47"></a>
  56. <span class="sourceLineNo">048</span>import javafx.scene.paint.Paint;<a name="line.48"></a>
  57. <span class="sourceLineNo">049</span>import javafx.scene.shape.Rectangle;<a name="line.49"></a>
  58. <span class="sourceLineNo">050</span>import org.jfree.chart.ChartMouseEvent;<a name="line.50"></a>
  59. <span class="sourceLineNo">051</span>import org.jfree.chart.ChartRenderingInfo;<a name="line.51"></a>
  60. <span class="sourceLineNo">052</span>import org.jfree.chart.JFreeChart;<a name="line.52"></a>
  61. <span class="sourceLineNo">053</span>import org.jfree.chart.fx.interaction.ChartMouseListenerFX;<a name="line.53"></a>
  62. <span class="sourceLineNo">054</span>import org.jfree.chart.util.ParamChecks;<a name="line.54"></a>
  63. <span class="sourceLineNo">055</span><a name="line.55"></a>
  64. <span class="sourceLineNo">056</span>/**<a name="line.56"></a>
  65. <span class="sourceLineNo">057</span> * A default skin for the {@link ChartViewer} control.<a name="line.57"></a>
  66. <span class="sourceLineNo">058</span> * <a name="line.58"></a>
  67. <span class="sourceLineNo">059</span> * &lt;p&gt;THE API FOR THIS CLASS IS SUBJECT TO CHANGE IN FUTURE RELEASES. This is<a name="line.59"></a>
  68. <span class="sourceLineNo">060</span> * so that we can incorporate feedback on the (new) JavaFX support in <a name="line.60"></a>
  69. <span class="sourceLineNo">061</span> * JFreeChart.&lt;/p&gt;<a name="line.61"></a>
  70. <span class="sourceLineNo">062</span> * <a name="line.62"></a>
  71. <span class="sourceLineNo">063</span> * @since 1.0.18<a name="line.63"></a>
  72. <span class="sourceLineNo">064</span> */<a name="line.64"></a>
  73. <span class="sourceLineNo">065</span>public class ChartViewerSkin extends SkinBase&lt;ChartViewer&gt; {<a name="line.65"></a>
  74. <span class="sourceLineNo">066</span><a name="line.66"></a>
  75. <span class="sourceLineNo">067</span> /** The chart canvas. */<a name="line.67"></a>
  76. <span class="sourceLineNo">068</span> private ChartCanvas canvas;<a name="line.68"></a>
  77. <span class="sourceLineNo">069</span> <a name="line.69"></a>
  78. <span class="sourceLineNo">070</span> /** <a name="line.70"></a>
  79. <span class="sourceLineNo">071</span> * The zoom rectangle is used to display the zooming region when<a name="line.71"></a>
  80. <span class="sourceLineNo">072</span> * doing a drag-zoom with the mouse. Most of the time this rectangle<a name="line.72"></a>
  81. <span class="sourceLineNo">073</span> * is not visible.<a name="line.73"></a>
  82. <span class="sourceLineNo">074</span> */<a name="line.74"></a>
  83. <span class="sourceLineNo">075</span> private Rectangle zoomRectangle;<a name="line.75"></a>
  84. <span class="sourceLineNo">076</span> <a name="line.76"></a>
  85. <span class="sourceLineNo">077</span> /**<a name="line.77"></a>
  86. <span class="sourceLineNo">078</span> * Creates a new instance.<a name="line.78"></a>
  87. <span class="sourceLineNo">079</span> * <a name="line.79"></a>
  88. <span class="sourceLineNo">080</span> * @param control the control ({@code null} not permitted). <a name="line.80"></a>
  89. <span class="sourceLineNo">081</span> */ <a name="line.81"></a>
  90. <span class="sourceLineNo">082</span> public ChartViewerSkin(ChartViewer control) {<a name="line.82"></a>
  91. <span class="sourceLineNo">083</span> super(control);<a name="line.83"></a>
  92. <span class="sourceLineNo">084</span> getChildren().add(createNode(control));<a name="line.84"></a>
  93. <span class="sourceLineNo">085</span> this.zoomRectangle = new Rectangle(0, 0, new Color(0, 0, 1, 0.25));<a name="line.85"></a>
  94. <span class="sourceLineNo">086</span> this.zoomRectangle.setManaged(false);<a name="line.86"></a>
  95. <span class="sourceLineNo">087</span> this.zoomRectangle.setVisible(false);<a name="line.87"></a>
  96. <span class="sourceLineNo">088</span> getChildren().add(this.zoomRectangle);<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> /**<a name="line.91"></a>
  100. <span class="sourceLineNo">092</span> * Returns the rendering info from the most recent drawing of the chart.<a name="line.92"></a>
  101. <span class="sourceLineNo">093</span> * <a name="line.93"></a>
  102. <span class="sourceLineNo">094</span> * @return The rendering info (possibly {@code null}).<a name="line.94"></a>
  103. <span class="sourceLineNo">095</span> * <a name="line.95"></a>
  104. <span class="sourceLineNo">096</span> * @since 1.0.19<a name="line.96"></a>
  105. <span class="sourceLineNo">097</span> */<a name="line.97"></a>
  106. <span class="sourceLineNo">098</span> public ChartRenderingInfo getRenderingInfo() {<a name="line.98"></a>
  107. <span class="sourceLineNo">099</span> return this.canvas.getRenderingInfo();<a name="line.99"></a>
  108. <span class="sourceLineNo">100</span> }<a name="line.100"></a>
  109. <span class="sourceLineNo">101</span><a name="line.101"></a>
  110. <span class="sourceLineNo">102</span> /**<a name="line.102"></a>
  111. <span class="sourceLineNo">103</span> * Sets the chart displayed by this control.<a name="line.103"></a>
  112. <span class="sourceLineNo">104</span> * <a name="line.104"></a>
  113. <span class="sourceLineNo">105</span> * @param chart the chart ({@code null} not permitted). <a name="line.105"></a>
  114. <span class="sourceLineNo">106</span> */<a name="line.106"></a>
  115. <span class="sourceLineNo">107</span> public void setChart(JFreeChart chart) {<a name="line.107"></a>
  116. <span class="sourceLineNo">108</span> this.canvas.setChart(chart);<a name="line.108"></a>
  117. <span class="sourceLineNo">109</span> }<a name="line.109"></a>
  118. <span class="sourceLineNo">110</span> <a name="line.110"></a>
  119. <span class="sourceLineNo">111</span> public void setTooltipEnabled(boolean enabled) {<a name="line.111"></a>
  120. <span class="sourceLineNo">112</span> this.canvas.setTooltipEnabled(enabled); <a name="line.112"></a>
  121. <span class="sourceLineNo">113</span> }<a name="line.113"></a>
  122. <span class="sourceLineNo">114</span> <a name="line.114"></a>
  123. <span class="sourceLineNo">115</span> /**<a name="line.115"></a>
  124. <span class="sourceLineNo">116</span> * Returns the current fill paint for the zoom rectangle.<a name="line.116"></a>
  125. <span class="sourceLineNo">117</span> * <a name="line.117"></a>
  126. <span class="sourceLineNo">118</span> * @return The fill paint.<a name="line.118"></a>
  127. <span class="sourceLineNo">119</span> */<a name="line.119"></a>
  128. <span class="sourceLineNo">120</span> public Paint getZoomFillPaint() {<a name="line.120"></a>
  129. <span class="sourceLineNo">121</span> return this.zoomRectangle.getFill();<a name="line.121"></a>
  130. <span class="sourceLineNo">122</span> }<a name="line.122"></a>
  131. <span class="sourceLineNo">123</span> <a name="line.123"></a>
  132. <span class="sourceLineNo">124</span> /**<a name="line.124"></a>
  133. <span class="sourceLineNo">125</span> * Sets the fill paint for the zoom rectangle.<a name="line.125"></a>
  134. <span class="sourceLineNo">126</span> * <a name="line.126"></a>
  135. <span class="sourceLineNo">127</span> * @param paint the new paint. <a name="line.127"></a>
  136. <span class="sourceLineNo">128</span> */<a name="line.128"></a>
  137. <span class="sourceLineNo">129</span> public void setZoomFillPaint(Paint paint) {<a name="line.129"></a>
  138. <span class="sourceLineNo">130</span> this.zoomRectangle.setFill(paint);<a name="line.130"></a>
  139. <span class="sourceLineNo">131</span> }<a name="line.131"></a>
  140. <span class="sourceLineNo">132</span> <a name="line.132"></a>
  141. <span class="sourceLineNo">133</span> /**<a name="line.133"></a>
  142. <span class="sourceLineNo">134</span> * Registers a listener to receive {@link ChartMouseEvent} notifications<a name="line.134"></a>
  143. <span class="sourceLineNo">135</span> * from the chart viewer.<a name="line.135"></a>
  144. <span class="sourceLineNo">136</span> *<a name="line.136"></a>
  145. <span class="sourceLineNo">137</span> * @param listener the listener ({@code null} not permitted).<a name="line.137"></a>
  146. <span class="sourceLineNo">138</span> */<a name="line.138"></a>
  147. <span class="sourceLineNo">139</span> public void addChartMouseListener(ChartMouseListenerFX listener) {<a name="line.139"></a>
  148. <span class="sourceLineNo">140</span> ParamChecks.nullNotPermitted(listener, "listener");<a name="line.140"></a>
  149. <span class="sourceLineNo">141</span> this.canvas.addChartMouseListener(listener);<a name="line.141"></a>
  150. <span class="sourceLineNo">142</span> }<a name="line.142"></a>
  151. <span class="sourceLineNo">143</span><a name="line.143"></a>
  152. <span class="sourceLineNo">144</span> /**<a name="line.144"></a>
  153. <span class="sourceLineNo">145</span> * Removes a listener from the list of objects listening for chart mouse<a name="line.145"></a>
  154. <span class="sourceLineNo">146</span> * events.<a name="line.146"></a>
  155. <span class="sourceLineNo">147</span> *<a name="line.147"></a>
  156. <span class="sourceLineNo">148</span> * @param listener the listener.<a name="line.148"></a>
  157. <span class="sourceLineNo">149</span> */<a name="line.149"></a>
  158. <span class="sourceLineNo">150</span> public void removeChartMouseListener(ChartMouseListenerFX listener) {<a name="line.150"></a>
  159. <span class="sourceLineNo">151</span> this.canvas.removeChartMouseListener(listener);<a name="line.151"></a>
  160. <span class="sourceLineNo">152</span> }<a name="line.152"></a>
  161. <span class="sourceLineNo">153</span> <a name="line.153"></a>
  162. <span class="sourceLineNo">154</span> /**<a name="line.154"></a>
  163. <span class="sourceLineNo">155</span> * Sets the visibility of the zoom rectangle.<a name="line.155"></a>
  164. <span class="sourceLineNo">156</span> * <a name="line.156"></a>
  165. <span class="sourceLineNo">157</span> * @param visible the new flag value.<a name="line.157"></a>
  166. <span class="sourceLineNo">158</span> */<a name="line.158"></a>
  167. <span class="sourceLineNo">159</span> public void setZoomRectangleVisible(boolean visible) {<a name="line.159"></a>
  168. <span class="sourceLineNo">160</span> this.zoomRectangle.setVisible(visible);<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> /**<a name="line.163"></a>
  172. <span class="sourceLineNo">164</span> * Sets the location and size of the zoom rectangle and makes it visible<a name="line.164"></a>
  173. <span class="sourceLineNo">165</span> * if it is not already visible.<a name="line.165"></a>
  174. <span class="sourceLineNo">166</span> * <a name="line.166"></a>
  175. <span class="sourceLineNo">167</span> * @param x the x-coordinate.<a name="line.167"></a>
  176. <span class="sourceLineNo">168</span> * @param y the y-coordinate.<a name="line.168"></a>
  177. <span class="sourceLineNo">169</span> * @param w the width.<a name="line.169"></a>
  178. <span class="sourceLineNo">170</span> * @param h the height.<a name="line.170"></a>
  179. <span class="sourceLineNo">171</span> */<a name="line.171"></a>
  180. <span class="sourceLineNo">172</span> public void showZoomRectangle(double x, double y, double w, double h) {<a name="line.172"></a>
  181. <span class="sourceLineNo">173</span> this.zoomRectangle.setX(x);<a name="line.173"></a>
  182. <span class="sourceLineNo">174</span> this.zoomRectangle.setY(y);<a name="line.174"></a>
  183. <span class="sourceLineNo">175</span> this.zoomRectangle.setWidth(w);<a name="line.175"></a>
  184. <span class="sourceLineNo">176</span> this.zoomRectangle.setHeight(h);<a name="line.176"></a>
  185. <span class="sourceLineNo">177</span> this.zoomRectangle.setVisible(true);<a name="line.177"></a>
  186. <span class="sourceLineNo">178</span> }<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> * Creates the node representing this control.<a name="line.181"></a>
  190. <span class="sourceLineNo">182</span> * <a name="line.182"></a>
  191. <span class="sourceLineNo">183</span> * @return The node.<a name="line.183"></a>
  192. <span class="sourceLineNo">184</span> */<a name="line.184"></a>
  193. <span class="sourceLineNo">185</span> private BorderPane createNode(ChartViewer control) {<a name="line.185"></a>
  194. <span class="sourceLineNo">186</span> BorderPane borderPane = new BorderPane();<a name="line.186"></a>
  195. <span class="sourceLineNo">187</span> borderPane.setPrefSize(800, 500);<a name="line.187"></a>
  196. <span class="sourceLineNo">188</span> StackPane sp = new StackPane();<a name="line.188"></a>
  197. <span class="sourceLineNo">189</span> sp.setMinSize(10, 10);<a name="line.189"></a>
  198. <span class="sourceLineNo">190</span> sp.setPrefSize(600, 400);<a name="line.190"></a>
  199. <span class="sourceLineNo">191</span> this.canvas = new ChartCanvas(getSkinnable().getChart());<a name="line.191"></a>
  200. <span class="sourceLineNo">192</span> this.canvas.setTooltipEnabled(control.isTooltipEnabled());<a name="line.192"></a>
  201. <span class="sourceLineNo">193</span> this.canvas.addChartMouseListener(control);<a name="line.193"></a>
  202. <span class="sourceLineNo">194</span> this.canvas.widthProperty().bind(sp.widthProperty());<a name="line.194"></a>
  203. <span class="sourceLineNo">195</span> this.canvas.heightProperty().bind(sp.heightProperty());<a name="line.195"></a>
  204. <span class="sourceLineNo">196</span> <a name="line.196"></a>
  205. <span class="sourceLineNo">197</span> this.canvas.addMouseHandler(new ZoomHandlerFX("zoom", control));<a name="line.197"></a>
  206. <span class="sourceLineNo">198</span> sp.getChildren().add(this.canvas);<a name="line.198"></a>
  207. <span class="sourceLineNo">199</span> <a name="line.199"></a>
  208. <span class="sourceLineNo">200</span> borderPane.setCenter(sp);<a name="line.200"></a>
  209. <span class="sourceLineNo">201</span> return borderPane;<a name="line.201"></a>
  210. <span class="sourceLineNo">202</span> }<a name="line.202"></a>
  211. <span class="sourceLineNo">203</span> <a name="line.203"></a>
  212. <span class="sourceLineNo">204</span>}<a name="line.204"></a>
  213. </pre>
  214. </div>
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  216. </html>