chartpanel.html

jfreechart1。0。2的api。

<FONT color="green">137</FONT>    import java.awt.Point;<a name="line.137"></a>
<FONT color="green">138</FONT>    import java.awt.event.ActionEvent;<a name="line.138"></a>
<FONT color="green">139</FONT>    import java.awt.event.ActionListener;<a name="line.139"></a>
<FONT color="green">140</FONT>    import java.awt.event.MouseEvent;<a name="line.140"></a>
<FONT color="green">141</FONT>    import java.awt.event.MouseListener;<a name="line.141"></a>
<FONT color="green">142</FONT>    import java.awt.event.MouseMotionListener;<a name="line.142"></a>
<FONT color="green">143</FONT>    import java.awt.geom.AffineTransform;<a name="line.143"></a>
<FONT color="green">144</FONT>    import java.awt.geom.Line2D;<a name="line.144"></a>
<FONT color="green">145</FONT>    import java.awt.geom.Point2D;<a name="line.145"></a>
<FONT color="green">146</FONT>    import java.awt.geom.Rectangle2D;<a name="line.146"></a>
<FONT color="green">147</FONT>    import java.awt.print.PageFormat;<a name="line.147"></a>
<FONT color="green">148</FONT>    import java.awt.print.Printable;<a name="line.148"></a>
<FONT color="green">149</FONT>    import java.awt.print.PrinterException;<a name="line.149"></a>
<FONT color="green">150</FONT>    import java.awt.print.PrinterJob;<a name="line.150"></a>
<FONT color="green">151</FONT>    import java.io.File;<a name="line.151"></a>
<FONT color="green">152</FONT>    import java.io.IOException;<a name="line.152"></a>
<FONT color="green">153</FONT>    import java.io.Serializable;<a name="line.153"></a>
<FONT color="green">154</FONT>    import java.util.EventListener;<a name="line.154"></a>
<FONT color="green">155</FONT>    import java.util.ResourceBundle;<a name="line.155"></a>
<FONT color="green">156</FONT>    <a name="line.156"></a>
<FONT color="green">157</FONT>    import javax.swing.JFileChooser;<a name="line.157"></a>
<FONT color="green">158</FONT>    import javax.swing.JMenu;<a name="line.158"></a>
<FONT color="green">159</FONT>    import javax.swing.JMenuItem;<a name="line.159"></a>
<FONT color="green">160</FONT>    import javax.swing.JOptionPane;<a name="line.160"></a>
<FONT color="green">161</FONT>    import javax.swing.JPanel;<a name="line.161"></a>
<FONT color="green">162</FONT>    import javax.swing.JPopupMenu;<a name="line.162"></a>
<FONT color="green">163</FONT>    import javax.swing.ToolTipManager;<a name="line.163"></a>
<FONT color="green">164</FONT>    import javax.swing.event.EventListenerList;<a name="line.164"></a>
<FONT color="green">165</FONT>    <a name="line.165"></a>
<FONT color="green">166</FONT>    import org.jfree.chart.editor.ChartEditor;<a name="line.166"></a>
<FONT color="green">167</FONT>    import org.jfree.chart.editor.ChartEditorManager;<a name="line.167"></a>
<FONT color="green">168</FONT>    import org.jfree.chart.entity.ChartEntity;<a name="line.168"></a>
<FONT color="green">169</FONT>    import org.jfree.chart.entity.EntityCollection;<a name="line.169"></a>
<FONT color="green">170</FONT>    import org.jfree.chart.event.ChartChangeEvent;<a name="line.170"></a>
<FONT color="green">171</FONT>    import org.jfree.chart.event.ChartChangeListener;<a name="line.171"></a>
<FONT color="green">172</FONT>    import org.jfree.chart.event.ChartProgressEvent;<a name="line.172"></a>
<FONT color="green">173</FONT>    import org.jfree.chart.event.ChartProgressListener;<a name="line.173"></a>
<FONT color="green">174</FONT>    import org.jfree.chart.plot.Plot;<a name="line.174"></a>
<FONT color="green">175</FONT>    import org.jfree.chart.plot.PlotOrientation;<a name="line.175"></a>
<FONT color="green">176</FONT>    import org.jfree.chart.plot.PlotRenderingInfo;<a name="line.176"></a>
<FONT color="green">177</FONT>    import org.jfree.chart.plot.Zoomable;<a name="line.177"></a>
<FONT color="green">178</FONT>    import org.jfree.ui.ExtensionFileFilter;<a name="line.178"></a>
<FONT color="green">179</FONT>    <a name="line.179"></a>
<FONT color="green">180</FONT>    /**<a name="line.180"></a>
<FONT color="green">181</FONT>     * A Swing GUI component for displaying a {@link JFreeChart} object.<a name="line.181"></a>
<FONT color="green">182</FONT>     * &lt;P&gt;<a name="line.182"></a>
<FONT color="green">183</FONT>     * The panel registers with the chart to receive notification of changes to any<a name="line.183"></a>
<FONT color="green">184</FONT>     * component of the chart.  The chart is redrawn automatically whenever this <a name="line.184"></a>
<FONT color="green">185</FONT>     * notification is received.<a name="line.185"></a>
<FONT color="green">186</FONT>     */<a name="line.186"></a>
<FONT color="green">187</FONT>    public class ChartPanel extends JPanel <a name="line.187"></a>
<FONT color="green">188</FONT>                            implements ChartChangeListener,<a name="line.188"></a>
<FONT color="green">189</FONT>                                       ChartProgressListener,<a name="line.189"></a>
<FONT color="green">190</FONT>                                       ActionListener,<a name="line.190"></a>
<FONT color="green">191</FONT>                                       MouseListener,<a name="line.191"></a>
<FONT color="green">192</FONT>                                       MouseMotionListener,<a name="line.192"></a>
<FONT color="green">193</FONT>                                       Printable,<a name="line.193"></a>
<FONT color="green">194</FONT>                                       Serializable {<a name="line.194"></a>
<FONT color="green">195</FONT>    <a name="line.195"></a>
<FONT color="green">196</FONT>        /** For serialization. */<a name="line.196"></a>
<FONT color="green">197</FONT>        private static final long serialVersionUID = 6046366297214274674L;<a name="line.197"></a>
<FONT color="green">198</FONT>        <a name="line.198"></a>
<FONT color="green">199</FONT>        /** Default setting for buffer usage. */<a name="line.199"></a>
<FONT color="green">200</FONT>        public static final boolean DEFAULT_BUFFER_USED = false;<a name="line.200"></a>
<FONT color="green">201</FONT>    <a name="line.201"></a>
<FONT color="green">202</FONT>        /** The default panel width. */<a name="line.202"></a>
<FONT color="green">203</FONT>        public static final int DEFAULT_WIDTH = 680;<a name="line.203"></a>
<FONT color="green">204</FONT>    <a name="line.204"></a>
<FONT color="green">205</FONT>        /** The default panel height. */<a name="line.205"></a>
<FONT color="green">206</FONT>        public static final int DEFAULT_HEIGHT = 420;<a name="line.206"></a>
<FONT color="green">207</FONT>    <a name="line.207"></a>
<FONT color="green">208</FONT>        /** The default limit below which chart scaling kicks in. */<a name="line.208"></a>
<FONT color="green">209</FONT>        public static final int DEFAULT_MINIMUM_DRAW_WIDTH = 300;<a name="line.209"></a>
<FONT color="green">210</FONT>    <a name="line.210"></a>
<FONT color="green">211</FONT>        /** The default limit below which chart scaling kicks in. */<a name="line.211"></a>
<FONT color="green">212</FONT>        public static final int DEFAULT_MINIMUM_DRAW_HEIGHT = 200;<a name="line.212"></a>
<FONT color="green">213</FONT>    <a name="line.213"></a>
<FONT color="green">214</FONT>        /** The default limit below which chart scaling kicks in. */<a name="line.214"></a>
<FONT color="green">215</FONT>        public static final int DEFAULT_MAXIMUM_DRAW_WIDTH = 800;<a name="line.215"></a>
<FONT color="green">216</FONT>    <a name="line.216"></a>
<FONT color="green">217</FONT>        /** The default limit below which chart scaling kicks in. */<a name="line.217"></a>
<FONT color="green">218</FONT>        public static final int DEFAULT_MAXIMUM_DRAW_HEIGHT = 600;<a name="line.218"></a>
<FONT color="green">219</FONT>    <a name="line.219"></a>
<FONT color="green">220</FONT>        /** The minimum size required to perform a zoom on a rectangle */<a name="line.220"></a>
<FONT color="green">221</FONT>        public static final int DEFAULT_ZOOM_TRIGGER_DISTANCE = 10;<a name="line.221"></a>
<FONT color="green">222</FONT>    <a name="line.222"></a>
<FONT color="green">223</FONT>        /** Properties action command. */<a name="line.223"></a>
<FONT color="green">224</FONT>        public static final String PROPERTIES_COMMAND = "PROPERTIES";<a name="line.224"></a>
<FONT color="green">225</FONT>    <a name="line.225"></a>
<FONT color="green">226</FONT>        /** Save action command. */<a name="line.226"></a>
<FONT color="green">227</FONT>        public static final String SAVE_COMMAND = "SAVE";<a name="line.227"></a>
<FONT color="green">228</FONT>    <a name="line.228"></a>
<FONT color="green">229</FONT>        /** Print action command. */<a name="line.229"></a>
<FONT color="green">230</FONT>        public static final String PRINT_COMMAND = "PRINT";<a name="line.230"></a>
<FONT color="green">231</FONT>    <a name="line.231"></a>
<FONT color="green">232</FONT>        /** Zoom in (both axes) action command. */<a name="line.232"></a>
<FONT color="green">233</FONT>        public static final String ZOOM_IN_BOTH_COMMAND = "ZOOM_IN_BOTH";<a name="line.233"></a>
<FONT color="green">234</FONT>    <a name="line.234"></a>
<FONT color="green">235</FONT>        /** Zoom in (domain axis only) action command. */<a name="line.235"></a>
<FONT color="green">236</FONT>        public static final String ZOOM_IN_DOMAIN_COMMAND = "ZOOM_IN_DOMAIN";<a name="line.236"></a>
<FONT color="green">237</FONT>    <a name="line.237"></a>
<FONT color="green">238</FONT>        /** Zoom in (range axis only) action command. */<a name="line.238"></a>
<FONT color="green">239</FONT>        public static final String ZOOM_IN_RANGE_COMMAND = "ZOOM_IN_RANGE";<a name="line.239"></a>
<FONT color="green">240</FONT>    <a name="line.240"></a>
<FONT color="green">241</FONT>        /** Zoom out (both axes) action command. */<a name="line.241"></a>
<FONT color="green">242</FONT>        public static final String ZOOM_OUT_BOTH_COMMAND = "ZOOM_OUT_BOTH";<a name="line.242"></a>
<FONT color="green">243</FONT>    <a name="line.243"></a>
<FONT color="green">244</FONT>        /** Zoom out (domain axis only) action command. */<a name="line.244"></a>
<FONT color="green">245</FONT>        public static final String ZOOM_OUT_DOMAIN_COMMAND = "ZOOM_DOMAIN_BOTH";<a name="line.245"></a>
<FONT color="green">246</FONT>    <a name="line.246"></a>
<FONT color="green">247</FONT>        /** Zoom out (range axis only) action command. */<a name="line.247"></a>
<FONT color="green">248</FONT>        public static final String ZOOM_OUT_RANGE_COMMAND = "ZOOM_RANGE_BOTH";<a name="line.248"></a>
<FONT color="green">249</FONT>    <a name="line.249"></a>
<FONT color="green">250</FONT>        /** Zoom reset (both axes) action command. */<a name="line.250"></a>
<FONT color="green">251</FONT>        public static final String ZOOM_RESET_BOTH_COMMAND = "ZOOM_RESET_BOTH";<a name="line.251"></a>
<FONT color="green">252</FONT>    <a name="line.252"></a>
<FONT color="green">253</FONT>        /** Zoom reset (domain axis only) action command. */<a name="line.253"></a>
<FONT color="green">254</FONT>        public static final String ZOOM_RESET_DOMAIN_COMMAND = "ZOOM_RESET_DOMAIN";<a name="line.254"></a>
<FONT color="green">255</FONT>    <a name="line.255"></a>
<FONT color="green">256</FONT>        /** Zoom reset (range axis only) action command. */<a name="line.256"></a>
<FONT color="green">257</FONT>        public static final String ZOOM_RESET_RANGE_COMMAND = "ZOOM_RESET_RANGE";<a name="line.257"></a>
<FONT color="green">258</FONT>    <a name="line.258"></a>
<FONT color="green">259</FONT>        /** The chart that is displayed in the panel. */<a name="line.259"></a>
<FONT color="green">260</FONT>        private JFreeChart chart;<a name="line.260"></a>
<FONT color="green">261</FONT>    <a name="line.261"></a>
<FONT color="green">262</FONT>        /** Storage for registered (chart) mouse listeners. */<a name="line.262"></a>
<FONT color="green">263</FONT>        private EventListenerList chartMouseListeners;<a name="line.263"></a>
<FONT color="green">264</FONT>    <a name="line.264"></a>
<FONT color="green">265</FONT>        /** A flag that controls whether or not the off-screen buffer is used. */<a name="line.265"></a>
<FONT color="green">266</FONT>        private boolean useBuffer;<a name="line.266"></a>
<FONT color="green">267</FONT>    <a name="line.267"></a>
<FONT color="green">268</FONT>        /** A flag that indicates that the buffer should be refreshed. */<a name="line.268"></a>
<FONT color="green">269</FONT>        private boolean refreshBuffer;<a name="line.269"></a>
<FONT color="green">270</FONT>    <a name="line.270"></a>
<FONT color="green">271</FONT>        /** A buffer for the rendered chart. */<a name="line.271"></a>
<FONT color="green">272</FONT>        private Image chartBuffer;<a name="line.272"></a>
<FONT color="green">273</FONT>    <a name="line.273"></a>
<FONT color="green">274</FONT>        /** The height of the chart buffer. */<a name="line.274"></a>
<FONT color="green">275</FONT>        private int chartBufferHeight;<a name="line.275"></a>