timeperiodvalues.html

jfreechart1。0。2的api。

<FONT color="green">152</FONT>         */<a name="line.152"></a>
<FONT color="green">153</FONT>        public String getRangeDescription() {<a name="line.153"></a>
<FONT color="green">154</FONT>            return this.range;<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>        /**<a name="line.157"></a>
<FONT color="green">158</FONT>         * Sets the range description and fires a property change event.<a name="line.158"></a>
<FONT color="green">159</FONT>         *<a name="line.159"></a>
<FONT color="green">160</FONT>         * @param description  the new description.<a name="line.160"></a>
<FONT color="green">161</FONT>         */<a name="line.161"></a>
<FONT color="green">162</FONT>        public void setRangeDescription(String description) {<a name="line.162"></a>
<FONT color="green">163</FONT>            String old = this.range;<a name="line.163"></a>
<FONT color="green">164</FONT>            this.range = description;<a name="line.164"></a>
<FONT color="green">165</FONT>            firePropertyChange("Range", old, description);<a name="line.165"></a>
<FONT color="green">166</FONT>        }<a name="line.166"></a>
<FONT color="green">167</FONT>    <a name="line.167"></a>
<FONT color="green">168</FONT>        /**<a name="line.168"></a>
<FONT color="green">169</FONT>         * Returns the number of items in the series.<a name="line.169"></a>
<FONT color="green">170</FONT>         *<a name="line.170"></a>
<FONT color="green">171</FONT>         * @return The item count.<a name="line.171"></a>
<FONT color="green">172</FONT>         */<a name="line.172"></a>
<FONT color="green">173</FONT>        public int getItemCount() {<a name="line.173"></a>
<FONT color="green">174</FONT>            return this.data.size();<a name="line.174"></a>
<FONT color="green">175</FONT>        }<a name="line.175"></a>
<FONT color="green">176</FONT>    <a name="line.176"></a>
<FONT color="green">177</FONT>        /**<a name="line.177"></a>
<FONT color="green">178</FONT>         * Returns one data item for the series.<a name="line.178"></a>
<FONT color="green">179</FONT>         *<a name="line.179"></a>
<FONT color="green">180</FONT>         * @param index  the item index (zero-based).<a name="line.180"></a>
<FONT color="green">181</FONT>         *<a name="line.181"></a>
<FONT color="green">182</FONT>         * @return One data item for the series.<a name="line.182"></a>
<FONT color="green">183</FONT>         */<a name="line.183"></a>
<FONT color="green">184</FONT>        public TimePeriodValue getDataItem(int index) {<a name="line.184"></a>
<FONT color="green">185</FONT>            return (TimePeriodValue) this.data.get(index);<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>        /**<a name="line.188"></a>
<FONT color="green">189</FONT>         * Returns the time period at the specified index.<a name="line.189"></a>
<FONT color="green">190</FONT>         *<a name="line.190"></a>
<FONT color="green">191</FONT>         * @param index  the index of the data pair.<a name="line.191"></a>
<FONT color="green">192</FONT>         *<a name="line.192"></a>
<FONT color="green">193</FONT>         * @return The time period at the specified index.<a name="line.193"></a>
<FONT color="green">194</FONT>         */<a name="line.194"></a>
<FONT color="green">195</FONT>        public TimePeriod getTimePeriod(int index) {<a name="line.195"></a>
<FONT color="green">196</FONT>            return getDataItem(index).getPeriod();<a name="line.196"></a>
<FONT color="green">197</FONT>        }<a name="line.197"></a>
<FONT color="green">198</FONT>    <a name="line.198"></a>
<FONT color="green">199</FONT>        /**<a name="line.199"></a>
<FONT color="green">200</FONT>         * Returns the value at the specified index.<a name="line.200"></a>
<FONT color="green">201</FONT>         *<a name="line.201"></a>
<FONT color="green">202</FONT>         * @param index  index of a value.<a name="line.202"></a>
<FONT color="green">203</FONT>         *<a name="line.203"></a>
<FONT color="green">204</FONT>         * @return The value at the specified index.<a name="line.204"></a>
<FONT color="green">205</FONT>         */<a name="line.205"></a>
<FONT color="green">206</FONT>        public Number getValue(int index) {<a name="line.206"></a>
<FONT color="green">207</FONT>            return getDataItem(index).getValue();<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>        /**<a name="line.210"></a>
<FONT color="green">211</FONT>         * Adds a data item to the series.<a name="line.211"></a>
<FONT color="green">212</FONT>         *<a name="line.212"></a>
<FONT color="green">213</FONT>         * @param item  the (timeperiod, value) pair.<a name="line.213"></a>
<FONT color="green">214</FONT>         */<a name="line.214"></a>
<FONT color="green">215</FONT>        public void add(TimePeriodValue item) {<a name="line.215"></a>
<FONT color="green">216</FONT>    <a name="line.216"></a>
<FONT color="green">217</FONT>            // check arguments...<a name="line.217"></a>
<FONT color="green">218</FONT>            if (item == null) {<a name="line.218"></a>
<FONT color="green">219</FONT>                throw new IllegalArgumentException("Null item not allowed.");<a name="line.219"></a>
<FONT color="green">220</FONT>            }<a name="line.220"></a>
<FONT color="green">221</FONT>    <a name="line.221"></a>
<FONT color="green">222</FONT>            // make the change<a name="line.222"></a>
<FONT color="green">223</FONT>            this.data.add(item);<a name="line.223"></a>
<FONT color="green">224</FONT>            updateBounds(item.getPeriod(), this.data.size() - 1);<a name="line.224"></a>
<FONT color="green">225</FONT>    <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>         * Update the index values for the maximum and minimum bounds.<a name="line.229"></a>
<FONT color="green">230</FONT>         * <a name="line.230"></a>
<FONT color="green">231</FONT>         * @param period  the time period.<a name="line.231"></a>
<FONT color="green">232</FONT>         * @param index  the index of the time period.<a name="line.232"></a>
<FONT color="green">233</FONT>         */<a name="line.233"></a>
<FONT color="green">234</FONT>        private void updateBounds(TimePeriod period, int index) {<a name="line.234"></a>
<FONT color="green">235</FONT>            <a name="line.235"></a>
<FONT color="green">236</FONT>            long start = period.getStart().getTime();<a name="line.236"></a>
<FONT color="green">237</FONT>            long end = period.getEnd().getTime();<a name="line.237"></a>
<FONT color="green">238</FONT>            long middle = start + ((end - start) / 2);<a name="line.238"></a>
<FONT color="green">239</FONT>    <a name="line.239"></a>
<FONT color="green">240</FONT>            if (this.minStartIndex &gt;= 0) {<a name="line.240"></a>
<FONT color="green">241</FONT>                long minStart = getDataItem(this.minStartIndex).getPeriod()<a name="line.241"></a>
<FONT color="green">242</FONT>                    .getStart().getTime();<a name="line.242"></a>
<FONT color="green">243</FONT>                if (start &lt; minStart) {<a name="line.243"></a>
<FONT color="green">244</FONT>                    this.minStartIndex = index;           <a name="line.244"></a>
<FONT color="green">245</FONT>                }<a name="line.245"></a>
<FONT color="green">246</FONT>            }<a name="line.246"></a>
<FONT color="green">247</FONT>            else {<a name="line.247"></a>
<FONT color="green">248</FONT>                this.minStartIndex = index;<a name="line.248"></a>
<FONT color="green">249</FONT>            }<a name="line.249"></a>
<FONT color="green">250</FONT>            <a name="line.250"></a>
<FONT color="green">251</FONT>            if (this.maxStartIndex &gt;= 0) {<a name="line.251"></a>
<FONT color="green">252</FONT>                long maxStart = getDataItem(this.maxStartIndex).getPeriod()<a name="line.252"></a>
<FONT color="green">253</FONT>                    .getStart().getTime();<a name="line.253"></a>
<FONT color="green">254</FONT>                if (start &gt; maxStart) {<a name="line.254"></a>
<FONT color="green">255</FONT>                    this.maxStartIndex = index;           <a name="line.255"></a>
<FONT color="green">256</FONT>                }<a name="line.256"></a>
<FONT color="green">257</FONT>            }<a name="line.257"></a>
<FONT color="green">258</FONT>            else {<a name="line.258"></a>
<FONT color="green">259</FONT>                this.maxStartIndex = index;<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>            if (this.minMiddleIndex &gt;= 0) {<a name="line.262"></a>
<FONT color="green">263</FONT>                long s = getDataItem(this.minMiddleIndex).getPeriod().getStart()<a name="line.263"></a>
<FONT color="green">264</FONT>                    .getTime();<a name="line.264"></a>
<FONT color="green">265</FONT>                long e = getDataItem(this.minMiddleIndex).getPeriod().getEnd()<a name="line.265"></a>
<FONT color="green">266</FONT>                    .getTime();<a name="line.266"></a>
<FONT color="green">267</FONT>                long minMiddle = s + (e - s) / 2;<a name="line.267"></a>
<FONT color="green">268</FONT>                if (middle &lt; minMiddle) {<a name="line.268"></a>
<FONT color="green">269</FONT>                    this.minMiddleIndex = index;           <a name="line.269"></a>
<FONT color="green">270</FONT>                }<a name="line.270"></a>
<FONT color="green">271</FONT>            }<a name="line.271"></a>
<FONT color="green">272</FONT>            else {<a name="line.272"></a>
<FONT color="green">273</FONT>                this.minMiddleIndex = index;<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>            if (this.maxMiddleIndex &gt;= 0) {<a name="line.276"></a>
<FONT color="green">277</FONT>                long s = getDataItem(this.minMiddleIndex).getPeriod().getStart()<a name="line.277"></a>
<FONT color="green">278</FONT>                    .getTime();<a name="line.278"></a>
<FONT color="green">279</FONT>                long e = getDataItem(this.minMiddleIndex).getPeriod().getEnd()<a name="line.279"></a>
<FONT color="green">280</FONT>                    .getTime();<a name="line.280"></a>
<FONT color="green">281</FONT>                long maxMiddle = s + (e - s) / 2;<a name="line.281"></a>
<FONT color="green">282</FONT>                if (middle &gt; maxMiddle) {<a name="line.282"></a>
<FONT color="green">283</FONT>                    this.maxMiddleIndex = index;           <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>            else {<a name="line.286"></a>
<FONT color="green">287</FONT>                this.maxMiddleIndex = index;<a name="line.287"></a>
<FONT color="green">288</FONT>            }<a name="line.288"></a>
<FONT color="green">289</FONT>            <a name="line.289"></a>
<FONT color="green">290</FONT>            if (this.minEndIndex &gt;= 0) {<a name="line.290"></a>
<FONT color="green">291</FONT>                long minEnd = getDataItem(this.minEndIndex).getPeriod().getEnd()<a name="line.291"></a>
<FONT color="green">292</FONT>                    .getTime();<a name="line.292"></a>
<FONT color="green">293</FONT>                if (end &lt; minEnd) {<a name="line.293"></a>
<FONT color="green">294</FONT>                    this.minEndIndex = index;           <a name="line.294"></a>
<FONT color="green">295</FONT>                }<a name="line.295"></a>
<FONT color="green">296</FONT>            }<a name="line.296"></a>
<FONT color="green">297</FONT>            else {<a name="line.297"></a>
<FONT color="green">298</FONT>                this.minEndIndex = index;<a name="line.298"></a>
<FONT color="green">299</FONT>            }<a name="line.299"></a>
<FONT color="green">300</FONT>           <a name="line.300"></a>
<FONT color="green">301</FONT>            if (this.maxEndIndex &gt;= 0) {<a name="line.301"></a>
<FONT color="green">302</FONT>                long maxEnd = getDataItem(this.maxEndIndex).getPeriod().getEnd()<a name="line.302"></a>
<FONT color="green">303</FONT>                    .getTime();<a name="line.303"></a>
<FONT color="green">304</FONT>                if (end &gt; maxEnd) {<a name="line.304"></a>
<FONT color="green">305</FONT>                    this.maxEndIndex = index;           <a name="line.305"></a>