combineddomainxyplot.html

jfreechart1。0。2的api。

<FONT color="green">148</FONT>        public CombinedDomainXYPlot(ValueAxis domainAxis) {<a name="line.148"></a>
<FONT color="green">149</FONT>    <a name="line.149"></a>
<FONT color="green">150</FONT>            super(<a name="line.150"></a>
<FONT color="green">151</FONT>                null,        // no data in the parent plot<a name="line.151"></a>
<FONT color="green">152</FONT>                domainAxis,<a name="line.152"></a>
<FONT color="green">153</FONT>                null,        // no range axis<a name="line.153"></a>
<FONT color="green">154</FONT>                null         // no rendereer<a name="line.154"></a>
<FONT color="green">155</FONT>            );  <a name="line.155"></a>
<FONT color="green">156</FONT>    <a name="line.156"></a>
<FONT color="green">157</FONT>            this.subplots = new java.util.ArrayList();<a name="line.157"></a>
<FONT color="green">158</FONT>    <a name="line.158"></a>
<FONT color="green">159</FONT>        }<a name="line.159"></a>
<FONT color="green">160</FONT>    <a name="line.160"></a>
<FONT color="green">161</FONT>        /**<a name="line.161"></a>
<FONT color="green">162</FONT>         * Returns a string describing the type of plot.<a name="line.162"></a>
<FONT color="green">163</FONT>         *<a name="line.163"></a>
<FONT color="green">164</FONT>         * @return The type of plot.<a name="line.164"></a>
<FONT color="green">165</FONT>         */<a name="line.165"></a>
<FONT color="green">166</FONT>        public String getPlotType() {<a name="line.166"></a>
<FONT color="green">167</FONT>            return "Combined_Domain_XYPlot";<a name="line.167"></a>
<FONT color="green">168</FONT>        }<a name="line.168"></a>
<FONT color="green">169</FONT>    <a name="line.169"></a>
<FONT color="green">170</FONT>        /**<a name="line.170"></a>
<FONT color="green">171</FONT>         * Sets the orientation for the plot (also changes the orientation for all <a name="line.171"></a>
<FONT color="green">172</FONT>         * the subplots to match).<a name="line.172"></a>
<FONT color="green">173</FONT>         * <a name="line.173"></a>
<FONT color="green">174</FONT>         * @param orientation  the orientation (&lt;code&gt;null&lt;/code&gt; not allowed).<a name="line.174"></a>
<FONT color="green">175</FONT>         */<a name="line.175"></a>
<FONT color="green">176</FONT>        public void setOrientation(PlotOrientation orientation) {<a name="line.176"></a>
<FONT color="green">177</FONT>    <a name="line.177"></a>
<FONT color="green">178</FONT>            super.setOrientation(orientation);<a name="line.178"></a>
<FONT color="green">179</FONT>            Iterator iterator = this.subplots.iterator();<a name="line.179"></a>
<FONT color="green">180</FONT>            while (iterator.hasNext()) {<a name="line.180"></a>
<FONT color="green">181</FONT>                XYPlot plot = (XYPlot) iterator.next();<a name="line.181"></a>
<FONT color="green">182</FONT>                plot.setOrientation(orientation);<a name="line.182"></a>
<FONT color="green">183</FONT>            }<a name="line.183"></a>
<FONT color="green">184</FONT>    <a name="line.184"></a>
<FONT color="green">185</FONT>        }<a name="line.185"></a>
<FONT color="green">186</FONT>    <a name="line.186"></a>
<FONT color="green">187</FONT>        /**<a name="line.187"></a>
<FONT color="green">188</FONT>         * Returns the range for the specified axis.  This is the combined range <a name="line.188"></a>
<FONT color="green">189</FONT>         * of all the subplots.<a name="line.189"></a>
<FONT color="green">190</FONT>         *<a name="line.190"></a>
<FONT color="green">191</FONT>         * @param axis  the axis.<a name="line.191"></a>
<FONT color="green">192</FONT>         *<a name="line.192"></a>
<FONT color="green">193</FONT>         * @return The range (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.193"></a>
<FONT color="green">194</FONT>         */<a name="line.194"></a>
<FONT color="green">195</FONT>        public Range getDataRange(ValueAxis axis) {<a name="line.195"></a>
<FONT color="green">196</FONT>    <a name="line.196"></a>
<FONT color="green">197</FONT>            Range result = null;<a name="line.197"></a>
<FONT color="green">198</FONT>            if (this.subplots != null) {<a name="line.198"></a>
<FONT color="green">199</FONT>                Iterator iterator = this.subplots.iterator();<a name="line.199"></a>
<FONT color="green">200</FONT>                while (iterator.hasNext()) {<a name="line.200"></a>
<FONT color="green">201</FONT>                    XYPlot subplot = (XYPlot) iterator.next();<a name="line.201"></a>
<FONT color="green">202</FONT>                    result = Range.combine(result, subplot.getDataRange(axis));<a name="line.202"></a>
<FONT color="green">203</FONT>                }<a name="line.203"></a>
<FONT color="green">204</FONT>            }<a name="line.204"></a>
<FONT color="green">205</FONT>            return result;<a name="line.205"></a>
<FONT color="green">206</FONT>    <a name="line.206"></a>
<FONT color="green">207</FONT>        }<a name="line.207"></a>
<FONT color="green">208</FONT>    <a name="line.208"></a>
<FONT color="green">209</FONT>        /**<a name="line.209"></a>
<FONT color="green">210</FONT>         * Returns the gap between subplots, measured in Java2D units.<a name="line.210"></a>
<FONT color="green">211</FONT>         *<a name="line.211"></a>
<FONT color="green">212</FONT>         * @return The gap (in Java2D units).<a name="line.212"></a>
<FONT color="green">213</FONT>         */<a name="line.213"></a>
<FONT color="green">214</FONT>        public double getGap() {<a name="line.214"></a>
<FONT color="green">215</FONT>            return this.gap;<a name="line.215"></a>
<FONT color="green">216</FONT>        }<a name="line.216"></a>
<FONT color="green">217</FONT>    <a name="line.217"></a>
<FONT color="green">218</FONT>        /**<a name="line.218"></a>
<FONT color="green">219</FONT>         * Sets the amount of space between subplots and sends a <a name="line.219"></a>
<FONT color="green">220</FONT>         * {@link PlotChangeEvent} to all registered listeners.<a name="line.220"></a>
<FONT color="green">221</FONT>         *<a name="line.221"></a>
<FONT color="green">222</FONT>         * @param gap  the gap between subplots (in Java2D units).<a name="line.222"></a>
<FONT color="green">223</FONT>         */<a name="line.223"></a>
<FONT color="green">224</FONT>        public void setGap(double gap) {<a name="line.224"></a>
<FONT color="green">225</FONT>            this.gap = gap;<a name="line.225"></a>
<FONT color="green">226</FONT>            notifyListeners(new PlotChangeEvent(this));<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>        /**<a name="line.229"></a>
<FONT color="green">230</FONT>         * Adds a subplot (with a default 'weight' of 1) and sends a <a name="line.230"></a>
<FONT color="green">231</FONT>         * {@link PlotChangeEvent} to all registered listeners.<a name="line.231"></a>
<FONT color="green">232</FONT>         * &lt;P&gt;<a name="line.232"></a>
<FONT color="green">233</FONT>         * The domain axis for the subplot will be set to &lt;code&gt;null&lt;/code&gt;.<a name="line.233"></a>
<FONT color="green">234</FONT>         *<a name="line.234"></a>
<FONT color="green">235</FONT>         * @param subplot  the subplot (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.235"></a>
<FONT color="green">236</FONT>         */<a name="line.236"></a>
<FONT color="green">237</FONT>        public void add(XYPlot subplot) {<a name="line.237"></a>
<FONT color="green">238</FONT>            // defer argument checking<a name="line.238"></a>
<FONT color="green">239</FONT>            add(subplot, 1);<a name="line.239"></a>
<FONT color="green">240</FONT>        }<a name="line.240"></a>
<FONT color="green">241</FONT>    <a name="line.241"></a>
<FONT color="green">242</FONT>        /**<a name="line.242"></a>
<FONT color="green">243</FONT>         * Adds a subplot with the specified weight and sends a <a name="line.243"></a>
<FONT color="green">244</FONT>         * {@link PlotChangeEvent} to all registered listeners.  The weight <a name="line.244"></a>
<FONT color="green">245</FONT>         * determines how much space is allocated to the subplot relative to all <a name="line.245"></a>
<FONT color="green">246</FONT>         * the other subplots.<a name="line.246"></a>
<FONT color="green">247</FONT>         * &lt;P&gt;<a name="line.247"></a>
<FONT color="green">248</FONT>         * The domain axis for the subplot will be set to &lt;code&gt;null&lt;/code&gt;.<a name="line.248"></a>
<FONT color="green">249</FONT>         *<a name="line.249"></a>
<FONT color="green">250</FONT>         * @param subplot  the subplot (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.250"></a>
<FONT color="green">251</FONT>         * @param weight  the weight (must be &gt;= 1).<a name="line.251"></a>
<FONT color="green">252</FONT>         */<a name="line.252"></a>
<FONT color="green">253</FONT>        public void add(XYPlot subplot, int weight) {<a name="line.253"></a>
<FONT color="green">254</FONT>    <a name="line.254"></a>
<FONT color="green">255</FONT>            if (subplot == null) {<a name="line.255"></a>
<FONT color="green">256</FONT>                throw new IllegalArgumentException("Null 'subplot' argument.");<a name="line.256"></a>
<FONT color="green">257</FONT>            }<a name="line.257"></a>
<FONT color="green">258</FONT>            if (weight &lt;= 0) {<a name="line.258"></a>
<FONT color="green">259</FONT>                throw new IllegalArgumentException("Require weight &gt;= 1.");<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>            // store the plot and its weight<a name="line.262"></a>
<FONT color="green">263</FONT>            subplot.setParent(this);<a name="line.263"></a>
<FONT color="green">264</FONT>            subplot.setWeight(weight);<a name="line.264"></a>
<FONT color="green">265</FONT>            subplot.setInsets(new RectangleInsets(0.0, 0.0, 0.0, 0.0), false);<a name="line.265"></a>
<FONT color="green">266</FONT>            subplot.setDomainAxis(null);<a name="line.266"></a>
<FONT color="green">267</FONT>            subplot.addChangeListener(this);<a name="line.267"></a>
<FONT color="green">268</FONT>            this.subplots.add(subplot);<a name="line.268"></a>
<FONT color="green">269</FONT>    <a name="line.269"></a>
<FONT color="green">270</FONT>            // keep track of total weights<a name="line.270"></a>
<FONT color="green">271</FONT>            this.totalWeight += weight;<a name="line.271"></a>
<FONT color="green">272</FONT>    <a name="line.272"></a>
<FONT color="green">273</FONT>            ValueAxis axis = getDomainAxis();<a name="line.273"></a>
<FONT color="green">274</FONT>            if (axis != null) {<a name="line.274"></a>
<FONT color="green">275</FONT>                axis.configure();<a name="line.275"></a>
<FONT color="green">276</FONT>            }<a name="line.276"></a>
<FONT color="green">277</FONT>            <a name="line.277"></a>
<FONT color="green">278</FONT>            notifyListeners(new PlotChangeEvent(this));<a name="line.278"></a>
<FONT color="green">279</FONT>    <a name="line.279"></a>
<FONT color="green">280</FONT>        }<a name="line.280"></a>
<FONT color="green">281</FONT>    <a name="line.281"></a>
<FONT color="green">282</FONT>        /**<a name="line.282"></a>
<FONT color="green">283</FONT>         * Removes a subplot from the combined chart and sends a <a name="line.283"></a>
<FONT color="green">284</FONT>         * {@link PlotChangeEvent} to all registered listeners.<a name="line.284"></a>
<FONT color="green">285</FONT>         *<a name="line.285"></a>
<FONT color="green">286</FONT>         * @param subplot  the subplot (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.286"></a>
<FONT color="green">287</FONT>         */<a name="line.287"></a>
<FONT color="green">288</FONT>        public void remove(XYPlot subplot) {<a name="line.288"></a>
<FONT color="green">289</FONT>            if (subplot == null) {<a name="line.289"></a>
<FONT color="green">290</FONT>                throw new IllegalArgumentException(" Null 'subplot' argument.");   <a name="line.290"></a>
<FONT color="green">291</FONT>            }<a name="line.291"></a>
<FONT color="green">292</FONT>            int position = -1;<a name="line.292"></a>
<FONT color="green">293</FONT>            int size = this.subplots.size();<a name="line.293"></a>
<FONT color="green">294</FONT>            int i = 0;<a name="line.294"></a>
<FONT color="green">295</FONT>            while (position == -1 &amp;&amp; i &lt; size) {<a name="line.295"></a>
<FONT color="green">296</FONT>                if (this.subplots.get(i) == subplot) {<a name="line.296"></a>
<FONT color="green">297</FONT>                    position = i;<a name="line.297"></a>