chartentity.html

jfreechart最新源代码

<FONT color="green">158</FONT>            if (area == null) {<a name="line.158"></a>
<FONT color="green">159</FONT>                throw new IllegalArgumentException("Null 'area' argument.");   <a name="line.159"></a>
<FONT color="green">160</FONT>            }<a name="line.160"></a>
<FONT color="green">161</FONT>            this.area = area;<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 the tool tip text for the entity.<a name="line.165"></a>
<FONT color="green">166</FONT>         *<a name="line.166"></a>
<FONT color="green">167</FONT>         * @return The tool tip text (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.167"></a>
<FONT color="green">168</FONT>         */<a name="line.168"></a>
<FONT color="green">169</FONT>        public String getToolTipText() {<a name="line.169"></a>
<FONT color="green">170</FONT>            return this.toolTipText;<a name="line.170"></a>
<FONT color="green">171</FONT>        }<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>         * Sets the tool tip text.<a name="line.174"></a>
<FONT color="green">175</FONT>         *<a name="line.175"></a>
<FONT color="green">176</FONT>         * @param text  the text (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.176"></a>
<FONT color="green">177</FONT>         */<a name="line.177"></a>
<FONT color="green">178</FONT>        public void setToolTipText(String text) {<a name="line.178"></a>
<FONT color="green">179</FONT>            this.toolTipText = text;<a name="line.179"></a>
<FONT color="green">180</FONT>        }<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>         * Returns the URL text for the entity.<a name="line.183"></a>
<FONT color="green">184</FONT>         *<a name="line.184"></a>
<FONT color="green">185</FONT>         * @return The URL text (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.185"></a>
<FONT color="green">186</FONT>         */<a name="line.186"></a>
<FONT color="green">187</FONT>        public String getURLText() {<a name="line.187"></a>
<FONT color="green">188</FONT>            return this.urlText;<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>        /**<a name="line.191"></a>
<FONT color="green">192</FONT>         * Sets the URL text.<a name="line.192"></a>
<FONT color="green">193</FONT>         *<a name="line.193"></a>
<FONT color="green">194</FONT>         * @param text the text (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.194"></a>
<FONT color="green">195</FONT>         */<a name="line.195"></a>
<FONT color="green">196</FONT>        public void setURLText(String text) {<a name="line.196"></a>
<FONT color="green">197</FONT>            this.urlText = text;<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>        /**<a name="line.200"></a>
<FONT color="green">201</FONT>         * Returns a string describing the entity area.  This string is intended<a name="line.201"></a>
<FONT color="green">202</FONT>         * for use in an AREA tag when generating an image map.<a name="line.202"></a>
<FONT color="green">203</FONT>         *<a name="line.203"></a>
<FONT color="green">204</FONT>         * @return The shape type (never &lt;code&gt;null&lt;/code&gt;).<a name="line.204"></a>
<FONT color="green">205</FONT>         */<a name="line.205"></a>
<FONT color="green">206</FONT>        public String getShapeType() {<a name="line.206"></a>
<FONT color="green">207</FONT>            if (this.area instanceof Rectangle2D) {<a name="line.207"></a>
<FONT color="green">208</FONT>                return "rect";<a name="line.208"></a>
<FONT color="green">209</FONT>            }<a name="line.209"></a>
<FONT color="green">210</FONT>            else {<a name="line.210"></a>
<FONT color="green">211</FONT>                return "poly";<a name="line.211"></a>
<FONT color="green">212</FONT>            }<a name="line.212"></a>
<FONT color="green">213</FONT>        }<a name="line.213"></a>
<FONT color="green">214</FONT>    <a name="line.214"></a>
<FONT color="green">215</FONT>        /**<a name="line.215"></a>
<FONT color="green">216</FONT>         * Returns the shape coordinates as a string.<a name="line.216"></a>
<FONT color="green">217</FONT>         *<a name="line.217"></a>
<FONT color="green">218</FONT>         * @return The shape coordinates (never &lt;code&gt;null&lt;/code&gt;).<a name="line.218"></a>
<FONT color="green">219</FONT>         */<a name="line.219"></a>
<FONT color="green">220</FONT>        public String getShapeCoords() {<a name="line.220"></a>
<FONT color="green">221</FONT>            if (this.area instanceof Rectangle2D) {<a name="line.221"></a>
<FONT color="green">222</FONT>                return getRectCoords((Rectangle2D) this.area);<a name="line.222"></a>
<FONT color="green">223</FONT>            }<a name="line.223"></a>
<FONT color="green">224</FONT>            else {<a name="line.224"></a>
<FONT color="green">225</FONT>                return getPolyCoords(this.area);<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>        /**<a name="line.229"></a>
<FONT color="green">230</FONT>         * Returns a string containing the coordinates (x1, y1, x2, y2) for a given<a name="line.230"></a>
<FONT color="green">231</FONT>         * rectangle.  This string is intended for use in an image map.<a name="line.231"></a>
<FONT color="green">232</FONT>         *<a name="line.232"></a>
<FONT color="green">233</FONT>         * @param rectangle  the rectangle (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.233"></a>
<FONT color="green">234</FONT>         *<a name="line.234"></a>
<FONT color="green">235</FONT>         * @return Upper left and lower right corner of a rectangle.<a name="line.235"></a>
<FONT color="green">236</FONT>         */<a name="line.236"></a>
<FONT color="green">237</FONT>        private String getRectCoords(Rectangle2D rectangle) {<a name="line.237"></a>
<FONT color="green">238</FONT>            if (rectangle == null) {<a name="line.238"></a>
<FONT color="green">239</FONT>                throw new IllegalArgumentException("Null 'rectangle' argument.");   <a name="line.239"></a>
<FONT color="green">240</FONT>            }<a name="line.240"></a>
<FONT color="green">241</FONT>            int x1 = (int) rectangle.getX();<a name="line.241"></a>
<FONT color="green">242</FONT>            int y1 = (int) rectangle.getY();<a name="line.242"></a>
<FONT color="green">243</FONT>            int x2 = x1 + (int) rectangle.getWidth();<a name="line.243"></a>
<FONT color="green">244</FONT>            int y2 = y1 + (int) rectangle.getHeight();<a name="line.244"></a>
<FONT color="green">245</FONT>            //      fix by rfuller<a name="line.245"></a>
<FONT color="green">246</FONT>            if (x2 == x1) {<a name="line.246"></a>
<FONT color="green">247</FONT>                x2++;<a name="line.247"></a>
<FONT color="green">248</FONT>            }<a name="line.248"></a>
<FONT color="green">249</FONT>            if (y2 == y1) {<a name="line.249"></a>
<FONT color="green">250</FONT>                y2++;<a name="line.250"></a>
<FONT color="green">251</FONT>            }<a name="line.251"></a>
<FONT color="green">252</FONT>            //      end fix by rfuller<a name="line.252"></a>
<FONT color="green">253</FONT>            return x1 + "," + y1 + "," + x2 + "," + y2;<a name="line.253"></a>
<FONT color="green">254</FONT>        }<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>         * Returns a string containing the coordinates for a given shape.  This<a name="line.257"></a>
<FONT color="green">258</FONT>         * string is intended for use in an image map.<a name="line.258"></a>
<FONT color="green">259</FONT>         *<a name="line.259"></a>
<FONT color="green">260</FONT>         * @param shape  the shape (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.260"></a>
<FONT color="green">261</FONT>         *<a name="line.261"></a>
<FONT color="green">262</FONT>         * @return The coordinates for a given shape as string.<a name="line.262"></a>
<FONT color="green">263</FONT>         */<a name="line.263"></a>
<FONT color="green">264</FONT>        private String getPolyCoords(Shape shape) {<a name="line.264"></a>
<FONT color="green">265</FONT>            if (shape == null) {<a name="line.265"></a>
<FONT color="green">266</FONT>                throw new IllegalArgumentException("Null 'shape' argument.");   <a name="line.266"></a>
<FONT color="green">267</FONT>            }<a name="line.267"></a>
<FONT color="green">268</FONT>            StringBuffer result = new StringBuffer();<a name="line.268"></a>
<FONT color="green">269</FONT>            boolean first = true;<a name="line.269"></a>
<FONT color="green">270</FONT>            float[] coords = new float[6];<a name="line.270"></a>
<FONT color="green">271</FONT>            PathIterator pi = shape.getPathIterator(null, 1.0);<a name="line.271"></a>
<FONT color="green">272</FONT>            while (!pi.isDone()) {<a name="line.272"></a>
<FONT color="green">273</FONT>                pi.currentSegment(coords);<a name="line.273"></a>
<FONT color="green">274</FONT>                if (first) {<a name="line.274"></a>
<FONT color="green">275</FONT>                    first = false;<a name="line.275"></a>
<FONT color="green">276</FONT>                    result.append((int) coords[0]);<a name="line.276"></a>
<FONT color="green">277</FONT>                    result.append(",").append((int) coords[1]);<a name="line.277"></a>
<FONT color="green">278</FONT>                }<a name="line.278"></a>
<FONT color="green">279</FONT>                else {<a name="line.279"></a>
<FONT color="green">280</FONT>                    result.append(",");<a name="line.280"></a>
<FONT color="green">281</FONT>                    result.append((int) coords[0]);<a name="line.281"></a>
<FONT color="green">282</FONT>                    result.append(",");<a name="line.282"></a>
<FONT color="green">283</FONT>                    result.append((int) coords[1]);<a name="line.283"></a>
<FONT color="green">284</FONT>                }<a name="line.284"></a>
<FONT color="green">285</FONT>                pi.next();<a name="line.285"></a>
<FONT color="green">286</FONT>            }<a name="line.286"></a>
<FONT color="green">287</FONT>            return result.toString();<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>        /**<a name="line.290"></a>
<FONT color="green">291</FONT>         * Returns an HTML image map tag for this entity.  The returned fragment<a name="line.291"></a>
<FONT color="green">292</FONT>         * should be &lt;code&gt;XHTML 1.0&lt;/code&gt; compliant.<a name="line.292"></a>
<FONT color="green">293</FONT>         *<a name="line.293"></a>
<FONT color="green">294</FONT>         * @param toolTipTagFragmentGenerator  the generator for tooltip fragment.<a name="line.294"></a>
<FONT color="green">295</FONT>         * @param urlTagFragmentGenerator  the generator for the URL fragment.<a name="line.295"></a>
<FONT color="green">296</FONT>         * <a name="line.296"></a>
<FONT color="green">297</FONT>         * @return The HTML tag.<a name="line.297"></a>
<FONT color="green">298</FONT>         */<a name="line.298"></a>
<FONT color="green">299</FONT>        public String getImageMapAreaTag(<a name="line.299"></a>
<FONT color="green">300</FONT>                ToolTipTagFragmentGenerator toolTipTagFragmentGenerator,<a name="line.300"></a>
<FONT color="green">301</FONT>                URLTagFragmentGenerator urlTagFragmentGenerator) {<a name="line.301"></a>
<FONT color="green">302</FONT>    <a name="line.302"></a>
<FONT color="green">303</FONT>            StringBuffer tag = new StringBuffer();<a name="line.303"></a>
<FONT color="green">304</FONT>            boolean hasURL <a name="line.304"></a>
<FONT color="green">305</FONT>                = (this.urlText == null ? false : !this.urlText.equals(""));<a name="line.305"></a>
<FONT color="green">306</FONT>            boolean hasToolTip <a name="line.306"></a>
<FONT color="green">307</FONT>                = (this.toolTipText == null ? false : !this.toolTipText.equals(""));<a name="line.307"></a>
<FONT color="green">308</FONT>            if (hasURL || hasToolTip) {<a name="line.308"></a>
<FONT color="green">309</FONT>                tag.append(<a name="line.309"></a>
<FONT color="green">310</FONT>                    "&lt;area shape=\"" + getShapeType() + "\"" + " coords=\"" <a name="line.310"></a>
<FONT color="green">311</FONT>                    + getShapeCoords() + "\""<a name="line.311"></a>
<FONT color="green">312</FONT>                );<a name="line.312"></a>
<FONT color="green">313</FONT>                if (hasToolTip) {<a name="line.313"></a>
<FONT color="green">314</FONT>                    tag.append(toolTipTagFragmentGenerator.generateToolTipFragment(<a name="line.314"></a>
<FONT color="green">315</FONT>                        this.toolTipText<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>