abstractcategoryitemlabelgenerator.html

jfreechart最新源代码

<FONT color="green">190</FONT>        public String getLabelFormat() {<a name="line.190"></a>
<FONT color="green">191</FONT>            return this.labelFormat;   <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>        /**<a name="line.194"></a>
<FONT color="green">195</FONT>         * Returns the number formatter.<a name="line.195"></a>
<FONT color="green">196</FONT>         *<a name="line.196"></a>
<FONT color="green">197</FONT>         * @return The number formatter (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.197"></a>
<FONT color="green">198</FONT>         */<a name="line.198"></a>
<FONT color="green">199</FONT>        public NumberFormat getNumberFormat() {<a name="line.199"></a>
<FONT color="green">200</FONT>            return this.numberFormat;<a name="line.200"></a>
<FONT color="green">201</FONT>        }<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>         * Returns the date formatter.<a name="line.204"></a>
<FONT color="green">205</FONT>         *<a name="line.205"></a>
<FONT color="green">206</FONT>         * @return The date formatter (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.206"></a>
<FONT color="green">207</FONT>         */<a name="line.207"></a>
<FONT color="green">208</FONT>        public DateFormat getDateFormat() {<a name="line.208"></a>
<FONT color="green">209</FONT>            return this.dateFormat;<a name="line.209"></a>
<FONT color="green">210</FONT>        }<a name="line.210"></a>
<FONT color="green">211</FONT>    <a name="line.211"></a>
<FONT color="green">212</FONT>        /**<a name="line.212"></a>
<FONT color="green">213</FONT>         * Generates a for the specified item.<a name="line.213"></a>
<FONT color="green">214</FONT>         *<a name="line.214"></a>
<FONT color="green">215</FONT>         * @param dataset  the dataset (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.215"></a>
<FONT color="green">216</FONT>         * @param row  the row index (zero-based).<a name="line.216"></a>
<FONT color="green">217</FONT>         * @param column  the column index (zero-based).<a name="line.217"></a>
<FONT color="green">218</FONT>         *<a name="line.218"></a>
<FONT color="green">219</FONT>         * @return The label (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.219"></a>
<FONT color="green">220</FONT>         */<a name="line.220"></a>
<FONT color="green">221</FONT>        protected String generateLabelString(CategoryDataset dataset, <a name="line.221"></a>
<FONT color="green">222</FONT>                                             int row, int column) {<a name="line.222"></a>
<FONT color="green">223</FONT>            if (dataset == null) {<a name="line.223"></a>
<FONT color="green">224</FONT>                throw new IllegalArgumentException("Null 'dataset' argument.");<a name="line.224"></a>
<FONT color="green">225</FONT>            }<a name="line.225"></a>
<FONT color="green">226</FONT>            String result = null;   <a name="line.226"></a>
<FONT color="green">227</FONT>            Object[] items = createItemArray(dataset, row, column);<a name="line.227"></a>
<FONT color="green">228</FONT>            result = MessageFormat.format(this.labelFormat, items);<a name="line.228"></a>
<FONT color="green">229</FONT>            return result;<a name="line.229"></a>
<FONT color="green">230</FONT>    <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>        /**<a name="line.233"></a>
<FONT color="green">234</FONT>         * Creates the array of items that can be passed to the <a name="line.234"></a>
<FONT color="green">235</FONT>         * {@link MessageFormat} class for creating labels.<a name="line.235"></a>
<FONT color="green">236</FONT>         *<a name="line.236"></a>
<FONT color="green">237</FONT>         * @param dataset  the dataset (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.237"></a>
<FONT color="green">238</FONT>         * @param row  the row index (zero-based).<a name="line.238"></a>
<FONT color="green">239</FONT>         * @param column  the column index (zero-based).<a name="line.239"></a>
<FONT color="green">240</FONT>         *<a name="line.240"></a>
<FONT color="green">241</FONT>         * @return The items (never &lt;code&gt;null&lt;/code&gt;).<a name="line.241"></a>
<FONT color="green">242</FONT>         */<a name="line.242"></a>
<FONT color="green">243</FONT>        protected Object[] createItemArray(CategoryDataset dataset, <a name="line.243"></a>
<FONT color="green">244</FONT>                                           int row, int column) {<a name="line.244"></a>
<FONT color="green">245</FONT>            Object[] result = new Object[4];<a name="line.245"></a>
<FONT color="green">246</FONT>            result[0] = dataset.getRowKey(row).toString();<a name="line.246"></a>
<FONT color="green">247</FONT>            result[1] = dataset.getColumnKey(column).toString();<a name="line.247"></a>
<FONT color="green">248</FONT>            Number value = dataset.getValue(row, column);<a name="line.248"></a>
<FONT color="green">249</FONT>            if (value != null) {<a name="line.249"></a>
<FONT color="green">250</FONT>                if (this.numberFormat != null) {<a name="line.250"></a>
<FONT color="green">251</FONT>                    result[2] = this.numberFormat.format(value);  <a name="line.251"></a>
<FONT color="green">252</FONT>                }<a name="line.252"></a>
<FONT color="green">253</FONT>                else if (this.dateFormat != null) {<a name="line.253"></a>
<FONT color="green">254</FONT>                    result[2] = this.dateFormat.format(value);<a name="line.254"></a>
<FONT color="green">255</FONT>                }<a name="line.255"></a>
<FONT color="green">256</FONT>            }<a name="line.256"></a>
<FONT color="green">257</FONT>            else {<a name="line.257"></a>
<FONT color="green">258</FONT>                result[2] = this.nullValueString;   <a name="line.258"></a>
<FONT color="green">259</FONT>            }<a name="line.259"></a>
<FONT color="green">260</FONT>            if (value != null) {<a name="line.260"></a>
<FONT color="green">261</FONT>                double total = DataUtilities.calculateColumnTotal(dataset, column);<a name="line.261"></a>
<FONT color="green">262</FONT>                double percent = value.doubleValue() / total;<a name="line.262"></a>
<FONT color="green">263</FONT>                result[3] = this.percentFormat.format(percent);<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>            return result;<a name="line.266"></a>
<FONT color="green">267</FONT>        }<a name="line.267"></a>
<FONT color="green">268</FONT>    <a name="line.268"></a>
<FONT color="green">269</FONT>        /**<a name="line.269"></a>
<FONT color="green">270</FONT>         * Tests this object for equality with an arbitrary object.<a name="line.270"></a>
<FONT color="green">271</FONT>         *<a name="line.271"></a>
<FONT color="green">272</FONT>         * @param obj  the other object (&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>         * @return A boolean.<a name="line.274"></a>
<FONT color="green">275</FONT>         */<a name="line.275"></a>
<FONT color="green">276</FONT>        public boolean equals(Object obj) {<a name="line.276"></a>
<FONT color="green">277</FONT>            if (obj == this) {<a name="line.277"></a>
<FONT color="green">278</FONT>                return true;<a name="line.278"></a>
<FONT color="green">279</FONT>            }<a name="line.279"></a>
<FONT color="green">280</FONT>            if (!(obj instanceof AbstractCategoryItemLabelGenerator)) {<a name="line.280"></a>
<FONT color="green">281</FONT>                return false;<a name="line.281"></a>
<FONT color="green">282</FONT>            }<a name="line.282"></a>
<FONT color="green">283</FONT>            <a name="line.283"></a>
<FONT color="green">284</FONT>            AbstractCategoryItemLabelGenerator that <a name="line.284"></a>
<FONT color="green">285</FONT>                = (AbstractCategoryItemLabelGenerator) obj;<a name="line.285"></a>
<FONT color="green">286</FONT>            if (!this.labelFormat.equals(that.labelFormat)) {<a name="line.286"></a>
<FONT color="green">287</FONT>                return false;<a name="line.287"></a>
<FONT color="green">288</FONT>            }<a name="line.288"></a>
<FONT color="green">289</FONT>            if (!ObjectUtilities.equal(this.dateFormat, that.dateFormat)) {<a name="line.289"></a>
<FONT color="green">290</FONT>                return false;<a name="line.290"></a>
<FONT color="green">291</FONT>            }<a name="line.291"></a>
<FONT color="green">292</FONT>            if (!ObjectUtilities.equal(this.numberFormat, that.numberFormat)) {<a name="line.292"></a>
<FONT color="green">293</FONT>                return false;<a name="line.293"></a>
<FONT color="green">294</FONT>            }<a name="line.294"></a>
<FONT color="green">295</FONT>            return true;<a name="line.295"></a>
<FONT color="green">296</FONT>        }<a name="line.296"></a>
<FONT color="green">297</FONT>        <a name="line.297"></a>
<FONT color="green">298</FONT>        /**<a name="line.298"></a>
<FONT color="green">299</FONT>         * Returns an independent copy of the generator.<a name="line.299"></a>
<FONT color="green">300</FONT>         * <a name="line.300"></a>
<FONT color="green">301</FONT>         * @return A clone.<a name="line.301"></a>
<FONT color="green">302</FONT>         * <a name="line.302"></a>
<FONT color="green">303</FONT>         * @throws CloneNotSupportedException  should not happen.<a name="line.303"></a>
<FONT color="green">304</FONT>         */<a name="line.304"></a>
<FONT color="green">305</FONT>        public Object clone() throws CloneNotSupportedException {<a name="line.305"></a>
<FONT color="green">306</FONT>            AbstractCategoryItemLabelGenerator clone <a name="line.306"></a>
<FONT color="green">307</FONT>                = (AbstractCategoryItemLabelGenerator) super.clone();<a name="line.307"></a>
<FONT color="green">308</FONT>            if (this.numberFormat != null) {<a name="line.308"></a>
<FONT color="green">309</FONT>                clone.numberFormat = (NumberFormat) this.numberFormat.clone();<a name="line.309"></a>
<FONT color="green">310</FONT>            } <a name="line.310"></a>
<FONT color="green">311</FONT>            if (this.dateFormat != null) {<a name="line.311"></a>
<FONT color="green">312</FONT>                clone.dateFormat = (DateFormat) this.dateFormat.clone();<a name="line.312"></a>
<FONT color="green">313</FONT>            } <a name="line.313"></a>
<FONT color="green">314</FONT>            return clone;<a name="line.314"></a>
<FONT color="green">315</FONT>        }<a name="line.315"></a>
<FONT color="green">316</FONT>    <a name="line.316"></a>
<FONT color="green">317</FONT>    }<a name="line.317"></a>




























































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