ganttrenderer.html

jfreechart1。0。2的api。

<FONT color="green">159</FONT>        /**<a name="line.159"></a>
<FONT color="green">160</FONT>         * Returns the position of the start of the progress indicator, as a <a name="line.160"></a>
<FONT color="green">161</FONT>         * percentage of the bar width.<a name="line.161"></a>
<FONT color="green">162</FONT>         * <a name="line.162"></a>
<FONT color="green">163</FONT>         * @return The start percent.<a name="line.163"></a>
<FONT color="green">164</FONT>         */<a name="line.164"></a>
<FONT color="green">165</FONT>        public double getStartPercent() {<a name="line.165"></a>
<FONT color="green">166</FONT>            return this.startPercent;<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>        /**<a name="line.169"></a>
<FONT color="green">170</FONT>         * Sets the position of the start of the progress indicator, as a <a name="line.170"></a>
<FONT color="green">171</FONT>         * percentage of the bar width.<a name="line.171"></a>
<FONT color="green">172</FONT>         * <a name="line.172"></a>
<FONT color="green">173</FONT>         * @param percent  the percent.<a name="line.173"></a>
<FONT color="green">174</FONT>         */<a name="line.174"></a>
<FONT color="green">175</FONT>        public void setStartPercent(double percent) {<a name="line.175"></a>
<FONT color="green">176</FONT>            this.startPercent = percent;<a name="line.176"></a>
<FONT color="green">177</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.177"></a>
<FONT color="green">178</FONT>        }<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>         * Returns the position of the end of the progress indicator, as a <a name="line.181"></a>
<FONT color="green">182</FONT>         * percentage of the bar width.<a name="line.182"></a>
<FONT color="green">183</FONT>         * <a name="line.183"></a>
<FONT color="green">184</FONT>         * @return The end percent.<a name="line.184"></a>
<FONT color="green">185</FONT>         */<a name="line.185"></a>
<FONT color="green">186</FONT>        public double getEndPercent() {<a name="line.186"></a>
<FONT color="green">187</FONT>            return this.endPercent;<a name="line.187"></a>
<FONT color="green">188</FONT>        }<a name="line.188"></a>
<FONT color="green">189</FONT>        <a name="line.189"></a>
<FONT color="green">190</FONT>        /**<a name="line.190"></a>
<FONT color="green">191</FONT>         * Sets the position of the end of the progress indicator, as a percentage <a name="line.191"></a>
<FONT color="green">192</FONT>         * of the bar width.<a name="line.192"></a>
<FONT color="green">193</FONT>         * <a name="line.193"></a>
<FONT color="green">194</FONT>         * @param percent  the percent.<a name="line.194"></a>
<FONT color="green">195</FONT>         */<a name="line.195"></a>
<FONT color="green">196</FONT>        public void setEndPercent(double percent) {<a name="line.196"></a>
<FONT color="green">197</FONT>            this.endPercent = percent;<a name="line.197"></a>
<FONT color="green">198</FONT>            notifyListeners(new RendererChangeEvent(this));<a name="line.198"></a>
<FONT color="green">199</FONT>        }<a name="line.199"></a>
<FONT color="green">200</FONT>        <a name="line.200"></a>
<FONT color="green">201</FONT>        /**<a name="line.201"></a>
<FONT color="green">202</FONT>         * Draws the bar for a single (series, category) data item.<a name="line.202"></a>
<FONT color="green">203</FONT>         *<a name="line.203"></a>
<FONT color="green">204</FONT>         * @param g2  the graphics device.<a name="line.204"></a>
<FONT color="green">205</FONT>         * @param state  the renderer state.<a name="line.205"></a>
<FONT color="green">206</FONT>         * @param dataArea  the data area.<a name="line.206"></a>
<FONT color="green">207</FONT>         * @param plot  the plot.<a name="line.207"></a>
<FONT color="green">208</FONT>         * @param domainAxis  the domain axis.<a name="line.208"></a>
<FONT color="green">209</FONT>         * @param rangeAxis  the range axis.<a name="line.209"></a>
<FONT color="green">210</FONT>         * @param dataset  the dataset.<a name="line.210"></a>
<FONT color="green">211</FONT>         * @param row  the row index (zero-based).<a name="line.211"></a>
<FONT color="green">212</FONT>         * @param column  the column index (zero-based).<a name="line.212"></a>
<FONT color="green">213</FONT>         * @param pass  the pass index.<a name="line.213"></a>
<FONT color="green">214</FONT>         */<a name="line.214"></a>
<FONT color="green">215</FONT>        public void drawItem(Graphics2D g2,<a name="line.215"></a>
<FONT color="green">216</FONT>                             CategoryItemRendererState state,<a name="line.216"></a>
<FONT color="green">217</FONT>                             Rectangle2D dataArea,<a name="line.217"></a>
<FONT color="green">218</FONT>                             CategoryPlot plot,<a name="line.218"></a>
<FONT color="green">219</FONT>                             CategoryAxis domainAxis,<a name="line.219"></a>
<FONT color="green">220</FONT>                             ValueAxis rangeAxis,<a name="line.220"></a>
<FONT color="green">221</FONT>                             CategoryDataset dataset,<a name="line.221"></a>
<FONT color="green">222</FONT>                             int row,<a name="line.222"></a>
<FONT color="green">223</FONT>                             int column,<a name="line.223"></a>
<FONT color="green">224</FONT>                             int pass) {<a name="line.224"></a>
<FONT color="green">225</FONT>    <a name="line.225"></a>
<FONT color="green">226</FONT>             if (dataset instanceof GanttCategoryDataset) {<a name="line.226"></a>
<FONT color="green">227</FONT>                 GanttCategoryDataset gcd = (GanttCategoryDataset) dataset;<a name="line.227"></a>
<FONT color="green">228</FONT>                 drawTasks(<a name="line.228"></a>
<FONT color="green">229</FONT>                    g2, state, dataArea, plot, domainAxis, rangeAxis, gcd, <a name="line.229"></a>
<FONT color="green">230</FONT>                    row, column<a name="line.230"></a>
<FONT color="green">231</FONT>                 );<a name="line.231"></a>
<FONT color="green">232</FONT>             }<a name="line.232"></a>
<FONT color="green">233</FONT>             else {  // let the superclass handle it...<a name="line.233"></a>
<FONT color="green">234</FONT>                 super.drawItem(<a name="line.234"></a>
<FONT color="green">235</FONT>                     g2, state, dataArea, plot, domainAxis, rangeAxis, <a name="line.235"></a>
<FONT color="green">236</FONT>                     dataset, row, column, pass<a name="line.236"></a>
<FONT color="green">237</FONT>                 );<a name="line.237"></a>
<FONT color="green">238</FONT>             }<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>        /**<a name="line.242"></a>
<FONT color="green">243</FONT>         * Draws the tasks/subtasks for one item.<a name="line.243"></a>
<FONT color="green">244</FONT>         *<a name="line.244"></a>
<FONT color="green">245</FONT>         * @param g2  the graphics device.<a name="line.245"></a>
<FONT color="green">246</FONT>         * @param state  the renderer state.<a name="line.246"></a>
<FONT color="green">247</FONT>         * @param dataArea  the data plot area.<a name="line.247"></a>
<FONT color="green">248</FONT>         * @param plot  the plot.<a name="line.248"></a>
<FONT color="green">249</FONT>         * @param domainAxis  the domain axis.<a name="line.249"></a>
<FONT color="green">250</FONT>         * @param rangeAxis  the range axis.<a name="line.250"></a>
<FONT color="green">251</FONT>         * @param dataset  the data.<a name="line.251"></a>
<FONT color="green">252</FONT>         * @param row  the row index (zero-based).<a name="line.252"></a>
<FONT color="green">253</FONT>         * @param column  the column index (zero-based).<a name="line.253"></a>
<FONT color="green">254</FONT>         */<a name="line.254"></a>
<FONT color="green">255</FONT>        protected void drawTasks(Graphics2D g2,<a name="line.255"></a>
<FONT color="green">256</FONT>                                 CategoryItemRendererState state,<a name="line.256"></a>
<FONT color="green">257</FONT>                                 Rectangle2D dataArea,<a name="line.257"></a>
<FONT color="green">258</FONT>                                 CategoryPlot plot,<a name="line.258"></a>
<FONT color="green">259</FONT>                                 CategoryAxis domainAxis,<a name="line.259"></a>
<FONT color="green">260</FONT>                                 ValueAxis rangeAxis,<a name="line.260"></a>
<FONT color="green">261</FONT>                                 GanttCategoryDataset dataset,<a name="line.261"></a>
<FONT color="green">262</FONT>                                 int row,<a name="line.262"></a>
<FONT color="green">263</FONT>                                 int column) {<a name="line.263"></a>
<FONT color="green">264</FONT>    <a name="line.264"></a>
<FONT color="green">265</FONT>            int count = dataset.getSubIntervalCount(row, column);<a name="line.265"></a>
<FONT color="green">266</FONT>            if (count == 0) {<a name="line.266"></a>
<FONT color="green">267</FONT>                drawTask(<a name="line.267"></a>
<FONT color="green">268</FONT>                    g2, state, dataArea, plot, domainAxis, rangeAxis, <a name="line.268"></a>
<FONT color="green">269</FONT>                    dataset, row, column<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>    <a name="line.272"></a>
<FONT color="green">273</FONT>            for (int subinterval = 0; subinterval &lt; count; subinterval++) {<a name="line.273"></a>
<FONT color="green">274</FONT>                <a name="line.274"></a>
<FONT color="green">275</FONT>                RectangleEdge rangeAxisLocation = plot.getRangeAxisEdge();<a name="line.275"></a>
<FONT color="green">276</FONT>    <a name="line.276"></a>
<FONT color="green">277</FONT>                // value 0<a name="line.277"></a>
<FONT color="green">278</FONT>                Number value0 = dataset.getStartValue(row, column, subinterval);<a name="line.278"></a>
<FONT color="green">279</FONT>                if (value0 == null) {<a name="line.279"></a>
<FONT color="green">280</FONT>                    return;<a name="line.280"></a>
<FONT color="green">281</FONT>                }<a name="line.281"></a>
<FONT color="green">282</FONT>                double translatedValue0 = rangeAxis.valueToJava2D(<a name="line.282"></a>
<FONT color="green">283</FONT>                    value0.doubleValue(), dataArea, rangeAxisLocation<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>                // value 1<a name="line.286"></a>
<FONT color="green">287</FONT>                Number value1 = dataset.getEndValue(row, column, subinterval);<a name="line.287"></a>
<FONT color="green">288</FONT>                if (value1 == null) {<a name="line.288"></a>
<FONT color="green">289</FONT>                    return;<a name="line.289"></a>
<FONT color="green">290</FONT>                }<a name="line.290"></a>
<FONT color="green">291</FONT>                double translatedValue1 = rangeAxis.valueToJava2D(<a name="line.291"></a>
<FONT color="green">292</FONT>                    value1.doubleValue(), dataArea, rangeAxisLocation<a name="line.292"></a>
<FONT color="green">293</FONT>                );<a name="line.293"></a>
<FONT color="green">294</FONT>        <a name="line.294"></a>
<FONT color="green">295</FONT>                if (translatedValue1 &lt; translatedValue0) {<a name="line.295"></a>
<FONT color="green">296</FONT>                    double temp = translatedValue1;<a name="line.296"></a>
<FONT color="green">297</FONT>                    translatedValue1 = translatedValue0;<a name="line.297"></a>
<FONT color="green">298</FONT>                    translatedValue0 = temp;<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>                double rectStart = calculateBarW0(<a name="line.301"></a>
<FONT color="green">302</FONT>                    plot, plot.getOrientation(), dataArea, domainAxis, state, <a name="line.302"></a>
<FONT color="green">303</FONT>                    row, column<a name="line.303"></a>
<FONT color="green">304</FONT>                );<a name="line.304"></a>
<FONT color="green">305</FONT>                double rectLength = Math.abs(translatedValue1 - translatedValue0);<a name="line.305"></a>
<FONT color="green">306</FONT>                double rectBreadth = state.getBarWidth();<a name="line.306"></a>
<FONT color="green">307</FONT>        <a name="line.307"></a>
<FONT color="green">308</FONT>                // DRAW THE BARS...<a name="line.308"></a>
<FONT color="green">309</FONT>                Rectangle2D bar = null;<a name="line.309"></a>
<FONT color="green">310</FONT>                <a name="line.310"></a>
<FONT color="green">311</FONT>                if (plot.getOrientation() == PlotOrientation.HORIZONTAL) {<a name="line.311"></a>
<FONT color="green">312</FONT>                    bar = new Rectangle2D.Double(<a name="line.312"></a>
<FONT color="green">313</FONT>                        translatedValue0, rectStart, rectLength, rectBreadth<a name="line.313"></a>
<FONT color="green">314</FONT>                    );<a name="line.314"></a>
<FONT color="green">315</FONT>                }<a name="line.315"></a>
<FONT color="green">316</FONT>                else if (plot.getOrientation() == PlotOrientation.VERTICAL) {<a name="line.316"></a>
<FONT color="green">317</FONT>                    bar = new Rectangle2D.Double(<a name="line.317"></a>
<FONT color="green">318</FONT>                        rectStart, translatedValue0, rectBreadth, rectLength<a name="line.318"></a>
<FONT color="green">319</FONT>                    );<a name="line.319"></a>