xyseries.html

jfreechart最新源代码

<FONT color="green">148</FONT>            this.data = new java.util.ArrayList();<a name="line.148"></a>
<FONT color="green">149</FONT>            this.autoSort = autoSort;<a name="line.149"></a>
<FONT color="green">150</FONT>            this.allowDuplicateXValues = allowDuplicateXValues;<a name="line.150"></a>
<FONT color="green">151</FONT>        }<a name="line.151"></a>
<FONT color="green">152</FONT>    <a name="line.152"></a>
<FONT color="green">153</FONT>        /**<a name="line.153"></a>
<FONT color="green">154</FONT>         * Returns the flag that controls whether the items in the series are <a name="line.154"></a>
<FONT color="green">155</FONT>         * automatically sorted.  There is no setter for this flag, it must be <a name="line.155"></a>
<FONT color="green">156</FONT>         * defined in the series constructor.<a name="line.156"></a>
<FONT color="green">157</FONT>         * <a name="line.157"></a>
<FONT color="green">158</FONT>         * @return A boolean.<a name="line.158"></a>
<FONT color="green">159</FONT>         */<a name="line.159"></a>
<FONT color="green">160</FONT>        public boolean getAutoSort() {<a name="line.160"></a>
<FONT color="green">161</FONT>            return this.autoSort;<a name="line.161"></a>
<FONT color="green">162</FONT>        }<a name="line.162"></a>
<FONT color="green">163</FONT>        <a name="line.163"></a>
<FONT color="green">164</FONT>        /**<a name="line.164"></a>
<FONT color="green">165</FONT>         * Returns a flag that controls whether duplicate x-values are allowed.  <a name="line.165"></a>
<FONT color="green">166</FONT>         * This flag can only be set in the constructor.<a name="line.166"></a>
<FONT color="green">167</FONT>         *<a name="line.167"></a>
<FONT color="green">168</FONT>         * @return A boolean.<a name="line.168"></a>
<FONT color="green">169</FONT>         */<a name="line.169"></a>
<FONT color="green">170</FONT>        public boolean getAllowDuplicateXValues() {<a name="line.170"></a>
<FONT color="green">171</FONT>            return this.allowDuplicateXValues;<a name="line.171"></a>
<FONT color="green">172</FONT>        }<a name="line.172"></a>
<FONT color="green">173</FONT>    <a name="line.173"></a>
<FONT color="green">174</FONT>        /**<a name="line.174"></a>
<FONT color="green">175</FONT>         * Returns the number of items in the series.<a name="line.175"></a>
<FONT color="green">176</FONT>         *<a name="line.176"></a>
<FONT color="green">177</FONT>         * @return The item count.<a name="line.177"></a>
<FONT color="green">178</FONT>         */<a name="line.178"></a>
<FONT color="green">179</FONT>        public int getItemCount() {<a name="line.179"></a>
<FONT color="green">180</FONT>            return this.data.size();<a name="line.180"></a>
<FONT color="green">181</FONT>        }<a name="line.181"></a>
<FONT color="green">182</FONT>    <a name="line.182"></a>
<FONT color="green">183</FONT>        /**<a name="line.183"></a>
<FONT color="green">184</FONT>         * Returns the list of data items for the series (the list contains <a name="line.184"></a>
<FONT color="green">185</FONT>         * {@link XYDataItem} objects and is unmodifiable).<a name="line.185"></a>
<FONT color="green">186</FONT>         * <a name="line.186"></a>
<FONT color="green">187</FONT>         * @return The list of data items.<a name="line.187"></a>
<FONT color="green">188</FONT>         */<a name="line.188"></a>
<FONT color="green">189</FONT>        public List getItems() {<a name="line.189"></a>
<FONT color="green">190</FONT>            return Collections.unmodifiableList(this.data);    <a name="line.190"></a>
<FONT color="green">191</FONT>        }<a name="line.191"></a>
<FONT color="green">192</FONT>        <a name="line.192"></a>
<FONT color="green">193</FONT>        /**<a name="line.193"></a>
<FONT color="green">194</FONT>         * Returns the maximum number of items that will be retained in the series.<a name="line.194"></a>
<FONT color="green">195</FONT>         * The default value is &lt;code&gt;Integer.MAX_VALUE&lt;/code&gt;.<a name="line.195"></a>
<FONT color="green">196</FONT>         *<a name="line.196"></a>
<FONT color="green">197</FONT>         * @return The maximum item count.<a name="line.197"></a>
<FONT color="green">198</FONT>         * @see #setMaximumItemCount(int)<a name="line.198"></a>
<FONT color="green">199</FONT>         */<a name="line.199"></a>
<FONT color="green">200</FONT>        public int getMaximumItemCount() {<a name="line.200"></a>
<FONT color="green">201</FONT>            return this.maximumItemCount;<a name="line.201"></a>
<FONT color="green">202</FONT>        }<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>         * Sets the maximum number of items that will be retained in the series.  <a name="line.205"></a>
<FONT color="green">206</FONT>         * If you add a new item to the series such that the number of items will <a name="line.206"></a>
<FONT color="green">207</FONT>         * exceed the maximum item count, then the first element in the series is <a name="line.207"></a>
<FONT color="green">208</FONT>         * automatically removed, ensuring that the maximum item count is not <a name="line.208"></a>
<FONT color="green">209</FONT>         * exceeded.<a name="line.209"></a>
<FONT color="green">210</FONT>         * &lt;p&gt;<a name="line.210"></a>
<FONT color="green">211</FONT>         * Typically this value is set before the series is populated with data,<a name="line.211"></a>
<FONT color="green">212</FONT>         * but if it is applied later, it may cause some items to be removed from<a name="line.212"></a>
<FONT color="green">213</FONT>         * the series (in which case a {@link SeriesChangeEvent} will be sent to<a name="line.213"></a>
<FONT color="green">214</FONT>         * all registered listeners.<a name="line.214"></a>
<FONT color="green">215</FONT>         *<a name="line.215"></a>
<FONT color="green">216</FONT>         * @param maximum  the maximum number of items for the series.<a name="line.216"></a>
<FONT color="green">217</FONT>         */<a name="line.217"></a>
<FONT color="green">218</FONT>        public void setMaximumItemCount(int maximum) {<a name="line.218"></a>
<FONT color="green">219</FONT>            this.maximumItemCount = maximum;<a name="line.219"></a>
<FONT color="green">220</FONT>            boolean dataRemoved = false;<a name="line.220"></a>
<FONT color="green">221</FONT>            while (this.data.size() &gt; maximum) {<a name="line.221"></a>
<FONT color="green">222</FONT>                this.data.remove(0);   <a name="line.222"></a>
<FONT color="green">223</FONT>                dataRemoved = true;<a name="line.223"></a>
<FONT color="green">224</FONT>            }<a name="line.224"></a>
<FONT color="green">225</FONT>            if (dataRemoved) {<a name="line.225"></a>
<FONT color="green">226</FONT>                fireSeriesChanged();<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>        /**<a name="line.230"></a>
<FONT color="green">231</FONT>         * Adds a data item to the series and sends a {@link SeriesChangeEvent} to <a name="line.231"></a>
<FONT color="green">232</FONT>         * all registered listeners.<a name="line.232"></a>
<FONT color="green">233</FONT>         *<a name="line.233"></a>
<FONT color="green">234</FONT>         * @param item  the (x, y) item (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.234"></a>
<FONT color="green">235</FONT>         */<a name="line.235"></a>
<FONT color="green">236</FONT>        public void add(XYDataItem item) {<a name="line.236"></a>
<FONT color="green">237</FONT>            // argument checking delegated...<a name="line.237"></a>
<FONT color="green">238</FONT>            add(item, true);<a name="line.238"></a>
<FONT color="green">239</FONT>        }<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>         * Adds a data item to the series and sends a {@link SeriesChangeEvent} to <a name="line.242"></a>
<FONT color="green">243</FONT>         * all registered listeners.<a name="line.243"></a>
<FONT color="green">244</FONT>         *<a name="line.244"></a>
<FONT color="green">245</FONT>         * @param x  the x value.<a name="line.245"></a>
<FONT color="green">246</FONT>         * @param y  the y value.<a name="line.246"></a>
<FONT color="green">247</FONT>         */<a name="line.247"></a>
<FONT color="green">248</FONT>        public void add(double x, double y) {<a name="line.248"></a>
<FONT color="green">249</FONT>            add(new Double(x), new Double(y), true);<a name="line.249"></a>
<FONT color="green">250</FONT>        }<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>         * Adds a data item to the series and, if requested, sends a <a name="line.253"></a>
<FONT color="green">254</FONT>         * {@link SeriesChangeEvent} to all registered listeners.<a name="line.254"></a>
<FONT color="green">255</FONT>         *<a name="line.255"></a>
<FONT color="green">256</FONT>         * @param x  the x value.<a name="line.256"></a>
<FONT color="green">257</FONT>         * @param y  the y value.<a name="line.257"></a>
<FONT color="green">258</FONT>         * @param notify  a flag that controls whether or not a <a name="line.258"></a>
<FONT color="green">259</FONT>         *                {@link SeriesChangeEvent} is sent to all registered <a name="line.259"></a>
<FONT color="green">260</FONT>         *                listeners.<a name="line.260"></a>
<FONT color="green">261</FONT>         */<a name="line.261"></a>
<FONT color="green">262</FONT>        public void add(double x, double y, boolean notify) {<a name="line.262"></a>
<FONT color="green">263</FONT>            add(new Double(x), new Double(y), notify);<a name="line.263"></a>
<FONT color="green">264</FONT>        }<a name="line.264"></a>
<FONT color="green">265</FONT>    <a name="line.265"></a>
<FONT color="green">266</FONT>        /**<a name="line.266"></a>
<FONT color="green">267</FONT>         * Adds a data item to the series and sends a {@link SeriesChangeEvent} to <a name="line.267"></a>
<FONT color="green">268</FONT>         * all registered listeners.  The unusual pairing of parameter types is to <a name="line.268"></a>
<FONT color="green">269</FONT>         * make it easier to add &lt;code&gt;null&lt;/code&gt; y-values.<a name="line.269"></a>
<FONT color="green">270</FONT>         *<a name="line.270"></a>
<FONT color="green">271</FONT>         * @param x  the x value.<a name="line.271"></a>
<FONT color="green">272</FONT>         * @param y  the y value (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.272"></a>
<FONT color="green">273</FONT>         */<a name="line.273"></a>
<FONT color="green">274</FONT>        public void add(double x, Number y) {<a name="line.274"></a>
<FONT color="green">275</FONT>            add(new Double(x), y);<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>        /**<a name="line.278"></a>
<FONT color="green">279</FONT>         * Adds a data item to the series and, if requested, sends a <a name="line.279"></a>
<FONT color="green">280</FONT>         * {@link SeriesChangeEvent} to all registered listeners.  The unusual <a name="line.280"></a>
<FONT color="green">281</FONT>         * pairing of parameter types is to make it easier to add null y-values.<a name="line.281"></a>
<FONT color="green">282</FONT>         *<a name="line.282"></a>
<FONT color="green">283</FONT>         * @param x  the x value.<a name="line.283"></a>
<FONT color="green">284</FONT>         * @param y  the y value (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.284"></a>
<FONT color="green">285</FONT>         * @param notify  a flag that controls whether or not a <a name="line.285"></a>
<FONT color="green">286</FONT>         *                {@link SeriesChangeEvent} is sent to all registered <a name="line.286"></a>
<FONT color="green">287</FONT>         *                listeners.<a name="line.287"></a>
<FONT color="green">288</FONT>         */<a name="line.288"></a>
<FONT color="green">289</FONT>        public void add(double x, Number y, boolean notify) {<a name="line.289"></a>
<FONT color="green">290</FONT>            add(new Double(x), y, notify);<a name="line.290"></a>
<FONT color="green">291</FONT>        }<a name="line.291"></a>
<FONT color="green">292</FONT>    <a name="line.292"></a>
<FONT color="green">293</FONT>        /**<a name="line.293"></a>
<FONT color="green">294</FONT>         * Adds new data to the series and sends a {@link SeriesChangeEvent} to <a name="line.294"></a>
<FONT color="green">295</FONT>         * all registered listeners.<a name="line.295"></a>
<FONT color="green">296</FONT>         * &lt;P&gt;<a name="line.296"></a>
<FONT color="green">297</FONT>         * Throws an exception if the x-value is a duplicate AND the <a name="line.297"></a>