meterplot.html

jfreechart最新源代码

<FONT color="green">145</FONT>    <a name="line.145"></a>
<FONT color="green">146</FONT>        /** The default meter angle. */<a name="line.146"></a>
<FONT color="green">147</FONT>        public static final int DEFAULT_METER_ANGLE = 270;<a name="line.147"></a>
<FONT color="green">148</FONT>    <a name="line.148"></a>
<FONT color="green">149</FONT>        /** The default border size. */<a name="line.149"></a>
<FONT color="green">150</FONT>        public static final float DEFAULT_BORDER_SIZE = 3f;<a name="line.150"></a>
<FONT color="green">151</FONT>    <a name="line.151"></a>
<FONT color="green">152</FONT>        /** The default circle size. */<a name="line.152"></a>
<FONT color="green">153</FONT>        public static final float DEFAULT_CIRCLE_SIZE = 10f;<a name="line.153"></a>
<FONT color="green">154</FONT>    <a name="line.154"></a>
<FONT color="green">155</FONT>        /** The default label font. */<a name="line.155"></a>
<FONT color="green">156</FONT>        public static final Font DEFAULT_LABEL_FONT <a name="line.156"></a>
<FONT color="green">157</FONT>            = new Font("SansSerif", Font.BOLD, 10);<a name="line.157"></a>
<FONT color="green">158</FONT>    <a name="line.158"></a>
<FONT color="green">159</FONT>        /** The dataset (contains a single value). */<a name="line.159"></a>
<FONT color="green">160</FONT>        private ValueDataset dataset;<a name="line.160"></a>
<FONT color="green">161</FONT>    <a name="line.161"></a>
<FONT color="green">162</FONT>        /** The dial shape (background shape). */<a name="line.162"></a>
<FONT color="green">163</FONT>        private DialShape shape;<a name="line.163"></a>
<FONT color="green">164</FONT>    <a name="line.164"></a>
<FONT color="green">165</FONT>        /** The dial extent (measured in degrees). */<a name="line.165"></a>
<FONT color="green">166</FONT>        private int meterAngle;<a name="line.166"></a>
<FONT color="green">167</FONT>        <a name="line.167"></a>
<FONT color="green">168</FONT>        /** The overall range of data values on the dial. */<a name="line.168"></a>
<FONT color="green">169</FONT>        private Range range;<a name="line.169"></a>
<FONT color="green">170</FONT>        <a name="line.170"></a>
<FONT color="green">171</FONT>        /** The tick size. */<a name="line.171"></a>
<FONT color="green">172</FONT>        private double tickSize;<a name="line.172"></a>
<FONT color="green">173</FONT>        <a name="line.173"></a>
<FONT color="green">174</FONT>        /** The paint used to draw the ticks. */<a name="line.174"></a>
<FONT color="green">175</FONT>        private Paint tickPaint;<a name="line.175"></a>
<FONT color="green">176</FONT>        <a name="line.176"></a>
<FONT color="green">177</FONT>        /** The units displayed on the dial. */    <a name="line.177"></a>
<FONT color="green">178</FONT>        private String units;<a name="line.178"></a>
<FONT color="green">179</FONT>        <a name="line.179"></a>
<FONT color="green">180</FONT>        /** The font for the value displayed in the center of the dial. */<a name="line.180"></a>
<FONT color="green">181</FONT>        private Font valueFont;<a name="line.181"></a>
<FONT color="green">182</FONT>    <a name="line.182"></a>
<FONT color="green">183</FONT>        /** The paint for the value displayed in the center of the dial. */<a name="line.183"></a>
<FONT color="green">184</FONT>        private transient Paint valuePaint;<a name="line.184"></a>
<FONT color="green">185</FONT>    <a name="line.185"></a>
<FONT color="green">186</FONT>        /** A flag that controls whether or not the border is drawn. */<a name="line.186"></a>
<FONT color="green">187</FONT>        private boolean drawBorder;<a name="line.187"></a>
<FONT color="green">188</FONT>    <a name="line.188"></a>
<FONT color="green">189</FONT>        /** The outline paint. */<a name="line.189"></a>
<FONT color="green">190</FONT>        private transient Paint dialOutlinePaint;<a name="line.190"></a>
<FONT color="green">191</FONT>    <a name="line.191"></a>
<FONT color="green">192</FONT>        /** The paint for the dial background. */<a name="line.192"></a>
<FONT color="green">193</FONT>        private transient Paint dialBackgroundPaint;<a name="line.193"></a>
<FONT color="green">194</FONT>    <a name="line.194"></a>
<FONT color="green">195</FONT>        /** The paint for the needle. */<a name="line.195"></a>
<FONT color="green">196</FONT>        private transient Paint needlePaint;<a name="line.196"></a>
<FONT color="green">197</FONT>    <a name="line.197"></a>
<FONT color="green">198</FONT>        /** A flag that controls whether or not the tick labels are visible. */<a name="line.198"></a>
<FONT color="green">199</FONT>        private boolean tickLabelsVisible;<a name="line.199"></a>
<FONT color="green">200</FONT>    <a name="line.200"></a>
<FONT color="green">201</FONT>        /** The tick label font. */<a name="line.201"></a>
<FONT color="green">202</FONT>        private Font tickLabelFont;<a name="line.202"></a>
<FONT color="green">203</FONT>    <a name="line.203"></a>
<FONT color="green">204</FONT>        /** The tick label paint. */<a name="line.204"></a>
<FONT color="green">205</FONT>        private Paint tickLabelPaint;<a name="line.205"></a>
<FONT color="green">206</FONT>        <a name="line.206"></a>
<FONT color="green">207</FONT>        /** The tick label format. */<a name="line.207"></a>
<FONT color="green">208</FONT>        private NumberFormat tickLabelFormat;<a name="line.208"></a>
<FONT color="green">209</FONT>    <a name="line.209"></a>
<FONT color="green">210</FONT>        /** The resourceBundle for the localization. */<a name="line.210"></a>
<FONT color="green">211</FONT>        protected static ResourceBundle localizationResources = <a name="line.211"></a>
<FONT color="green">212</FONT>            ResourceBundle.getBundle("org.jfree.chart.plot.LocalizationBundle");<a name="line.212"></a>
<FONT color="green">213</FONT>    <a name="line.213"></a>
<FONT color="green">214</FONT>        /** <a name="line.214"></a>
<FONT color="green">215</FONT>         * A (possibly empty) list of the {@link MeterInterval}s to be highlighted <a name="line.215"></a>
<FONT color="green">216</FONT>         * on the dial. <a name="line.216"></a>
<FONT color="green">217</FONT>         */<a name="line.217"></a>
<FONT color="green">218</FONT>        private List intervals;<a name="line.218"></a>
<FONT color="green">219</FONT>    <a name="line.219"></a>
<FONT color="green">220</FONT>        /**<a name="line.220"></a>
<FONT color="green">221</FONT>         * Creates a new plot with a default range of &lt;code&gt;0&lt;/code&gt; to <a name="line.221"></a>
<FONT color="green">222</FONT>         * &lt;code&gt;100&lt;/code&gt; and no value to display.<a name="line.222"></a>
<FONT color="green">223</FONT>         */<a name="line.223"></a>
<FONT color="green">224</FONT>        public MeterPlot() {<a name="line.224"></a>
<FONT color="green">225</FONT>            this(null);   <a name="line.225"></a>
<FONT color="green">226</FONT>        }<a name="line.226"></a>
<FONT color="green">227</FONT>        <a name="line.227"></a>
<FONT color="green">228</FONT>        /**<a name="line.228"></a>
<FONT color="green">229</FONT>         * Creates a new plot that displays the value from the supplied dataset.<a name="line.229"></a>
<FONT color="green">230</FONT>         *<a name="line.230"></a>
<FONT color="green">231</FONT>         * @param dataset  the dataset (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.231"></a>
<FONT color="green">232</FONT>         */<a name="line.232"></a>
<FONT color="green">233</FONT>        public MeterPlot(ValueDataset dataset) {<a name="line.233"></a>
<FONT color="green">234</FONT>            super();<a name="line.234"></a>
<FONT color="green">235</FONT>            this.shape = DialShape.CIRCLE;<a name="line.235"></a>
<FONT color="green">236</FONT>            this.meterAngle = DEFAULT_METER_ANGLE;<a name="line.236"></a>
<FONT color="green">237</FONT>            this.range = new Range(0.0, 100.0);<a name="line.237"></a>
<FONT color="green">238</FONT>            this.tickSize = 10.0;<a name="line.238"></a>
<FONT color="green">239</FONT>            this.tickPaint = Color.white;<a name="line.239"></a>
<FONT color="green">240</FONT>            this.units = "Units";<a name="line.240"></a>
<FONT color="green">241</FONT>            this.needlePaint = MeterPlot.DEFAULT_NEEDLE_PAINT;<a name="line.241"></a>
<FONT color="green">242</FONT>            this.tickLabelsVisible = true;<a name="line.242"></a>
<FONT color="green">243</FONT>            this.tickLabelFont = MeterPlot.DEFAULT_LABEL_FONT;<a name="line.243"></a>
<FONT color="green">244</FONT>            this.tickLabelPaint = Color.black;<a name="line.244"></a>
<FONT color="green">245</FONT>            this.tickLabelFormat = NumberFormat.getInstance();<a name="line.245"></a>
<FONT color="green">246</FONT>            this.valueFont = MeterPlot.DEFAULT_VALUE_FONT;<a name="line.246"></a>
<FONT color="green">247</FONT>            this.valuePaint = MeterPlot.DEFAULT_VALUE_PAINT;<a name="line.247"></a>
<FONT color="green">248</FONT>            this.dialBackgroundPaint = MeterPlot.DEFAULT_DIAL_BACKGROUND_PAINT;<a name="line.248"></a>
<FONT color="green">249</FONT>            this.intervals = new java.util.ArrayList();<a name="line.249"></a>
<FONT color="green">250</FONT>            setDataset(dataset);<a name="line.250"></a>
<FONT color="green">251</FONT>        }<a name="line.251"></a>
<FONT color="green">252</FONT>    <a name="line.252"></a>
<FONT color="green">253</FONT>        /**<a name="line.253"></a>
<FONT color="green">254</FONT>         * Returns the dial shape.  The default is {@link DialShape#CIRCLE}).<a name="line.254"></a>
<FONT color="green">255</FONT>         * <a name="line.255"></a>
<FONT color="green">256</FONT>         * @return The dial shape (never &lt;code&gt;null&lt;/code&gt;).<a name="line.256"></a>
<FONT color="green">257</FONT>         */<a name="line.257"></a>
<FONT color="green">258</FONT>        public DialShape getDialShape() {<a name="line.258"></a>
<FONT color="green">259</FONT>            return this.shape;<a name="line.259"></a>
<FONT color="green">260</FONT>        }<a name="line.260"></a>
<FONT color="green">261</FONT>        <a name="line.261"></a>
<FONT color="green">262</FONT>        /**<a name="line.262"></a>
<FONT color="green">263</FONT>         * Sets the dial shape and sends a {@link PlotChangeEvent} to all <a name="line.263"></a>
<FONT color="green">264</FONT>         * registered listeners.<a name="line.264"></a>
<FONT color="green">265</FONT>         * <a name="line.265"></a>
<FONT color="green">266</FONT>         * @param shape  the shape (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.266"></a>
<FONT color="green">267</FONT>         */<a name="line.267"></a>
<FONT color="green">268</FONT>        public void setDialShape(DialShape shape) {<a name="line.268"></a>
<FONT color="green">269</FONT>            if (shape == null) {<a name="line.269"></a>
<FONT color="green">270</FONT>                throw new IllegalArgumentException("Null 'shape' argument.");<a name="line.270"></a>
<FONT color="green">271</FONT>            }<a name="line.271"></a>
<FONT color="green">272</FONT>            this.shape = shape;<a name="line.272"></a>
<FONT color="green">273</FONT>            notifyListeners(new PlotChangeEvent(this));<a name="line.273"></a>
<FONT color="green">274</FONT>        }<a name="line.274"></a>
<FONT color="green">275</FONT>        <a name="line.275"></a>
<FONT color="green">276</FONT>        /**<a name="line.276"></a>
<FONT color="green">277</FONT>         * Returns the meter angle in degrees.  This defines, in part, the shape<a name="line.277"></a>
<FONT color="green">278</FONT>         * of the dial.  The default is 270 degrees.<a name="line.278"></a>
<FONT color="green">279</FONT>         *<a name="line.279"></a>
<FONT color="green">280</FONT>         * @return The meter angle (in degrees).<a name="line.280"></a>
<FONT color="green">281</FONT>         */<a name="line.281"></a>
<FONT color="green">282</FONT>        public int getMeterAngle() {<a name="line.282"></a>
<FONT color="green">283</FONT>            return this.meterAngle;<a name="line.283"></a>
<FONT color="green">284</FONT>        }<a name="line.284"></a>
<FONT color="green">285</FONT>    <a name="line.285"></a>
<FONT color="green">286</FONT>        /**<a name="line.286"></a>
<FONT color="green">287</FONT>         * Sets the angle (in degrees) for the whole range of the dial and sends <a name="line.287"></a>
<FONT color="green">288</FONT>         * a {@link PlotChangeEvent} to all registered listeners.<a name="line.288"></a>
<FONT color="green">289</FONT>         * <a name="line.289"></a>
<FONT color="green">290</FONT>         * @param angle  the angle (in degrees, in the range 1-360).<a name="line.290"></a>
<FONT color="green">291</FONT>         */<a name="line.291"></a>