abstractpieitemlabelgenerator.html

jfreechart1。0。2的api。

<FONT color="green">149</FONT>            result[0] = key.toString();<a name="line.149"></a>
<FONT color="green">150</FONT>            Number value = dataset.getValue(key);<a name="line.150"></a>
<FONT color="green">151</FONT>            if (value != null) {<a name="line.151"></a>
<FONT color="green">152</FONT>                result[1] = this.numberFormat.format(value);  <a name="line.152"></a>
<FONT color="green">153</FONT>            }<a name="line.153"></a>
<FONT color="green">154</FONT>            else {<a name="line.154"></a>
<FONT color="green">155</FONT>                result[1] = "null";<a name="line.155"></a>
<FONT color="green">156</FONT>            }<a name="line.156"></a>
<FONT color="green">157</FONT>            double percent = 0.0;<a name="line.157"></a>
<FONT color="green">158</FONT>            if (value != null) {<a name="line.158"></a>
<FONT color="green">159</FONT>                double v = value.doubleValue();<a name="line.159"></a>
<FONT color="green">160</FONT>                if (v &gt; 0.0) {<a name="line.160"></a>
<FONT color="green">161</FONT>                    percent = v / total; <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>            result[2] = this.percentFormat.format(percent);<a name="line.164"></a>
<FONT color="green">165</FONT>            result[3] = this.numberFormat.format(total);<a name="line.165"></a>
<FONT color="green">166</FONT>            return result;<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>         * Generates a label for a pie section.<a name="line.170"></a>
<FONT color="green">171</FONT>         * <a name="line.171"></a>
<FONT color="green">172</FONT>         * @param dataset  the dataset (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.172"></a>
<FONT color="green">173</FONT>         * @param key  the section key (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.173"></a>
<FONT color="green">174</FONT>         * <a name="line.174"></a>
<FONT color="green">175</FONT>         * @return The label (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.175"></a>
<FONT color="green">176</FONT>         */<a name="line.176"></a>
<FONT color="green">177</FONT>        protected String generateSectionLabel(PieDataset dataset, Comparable key) {<a name="line.177"></a>
<FONT color="green">178</FONT>            String result = null;    <a name="line.178"></a>
<FONT color="green">179</FONT>            if (dataset != null) {<a name="line.179"></a>
<FONT color="green">180</FONT>                Object[] items = createItemArray(dataset, key);<a name="line.180"></a>
<FONT color="green">181</FONT>                result = MessageFormat.format(this.labelFormat, items);<a name="line.181"></a>
<FONT color="green">182</FONT>            }<a name="line.182"></a>
<FONT color="green">183</FONT>            return result;<a name="line.183"></a>
<FONT color="green">184</FONT>        }<a name="line.184"></a>
<FONT color="green">185</FONT>    <a name="line.185"></a>
<FONT color="green">186</FONT>        /**<a name="line.186"></a>
<FONT color="green">187</FONT>         * Tests the generator for equality with an arbitrary object.<a name="line.187"></a>
<FONT color="green">188</FONT>         *<a name="line.188"></a>
<FONT color="green">189</FONT>         * @param obj  the object to test against (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.189"></a>
<FONT color="green">190</FONT>         *<a name="line.190"></a>
<FONT color="green">191</FONT>         * @return A boolean.<a name="line.191"></a>
<FONT color="green">192</FONT>         */<a name="line.192"></a>
<FONT color="green">193</FONT>        public boolean equals(Object obj) {<a name="line.193"></a>
<FONT color="green">194</FONT>            if (obj == this) {<a name="line.194"></a>
<FONT color="green">195</FONT>                return true;<a name="line.195"></a>
<FONT color="green">196</FONT>            }<a name="line.196"></a>
<FONT color="green">197</FONT>            if (!(obj instanceof AbstractPieItemLabelGenerator)) {<a name="line.197"></a>
<FONT color="green">198</FONT>                return false;<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>            AbstractPieItemLabelGenerator that <a name="line.201"></a>
<FONT color="green">202</FONT>                = (AbstractPieItemLabelGenerator) obj;<a name="line.202"></a>
<FONT color="green">203</FONT>            if (!this.labelFormat.equals(that.labelFormat)) {<a name="line.203"></a>
<FONT color="green">204</FONT>                return false;<a name="line.204"></a>
<FONT color="green">205</FONT>            }<a name="line.205"></a>
<FONT color="green">206</FONT>            if (!this.numberFormat.equals(that.numberFormat)) {<a name="line.206"></a>
<FONT color="green">207</FONT>                return false;   <a name="line.207"></a>
<FONT color="green">208</FONT>            }<a name="line.208"></a>
<FONT color="green">209</FONT>            if (!this.percentFormat.equals(that.percentFormat)) {<a name="line.209"></a>
<FONT color="green">210</FONT>                return false;   <a name="line.210"></a>
<FONT color="green">211</FONT>            }<a name="line.211"></a>
<FONT color="green">212</FONT>            return true;<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>        /**<a name="line.216"></a>
<FONT color="green">217</FONT>         * Returns an independent copy of the generator.<a name="line.217"></a>
<FONT color="green">218</FONT>         * <a name="line.218"></a>
<FONT color="green">219</FONT>         * @return A clone.<a name="line.219"></a>
<FONT color="green">220</FONT>         * <a name="line.220"></a>
<FONT color="green">221</FONT>         * @throws CloneNotSupportedException  should not happen.<a name="line.221"></a>
<FONT color="green">222</FONT>         */<a name="line.222"></a>
<FONT color="green">223</FONT>        public Object clone() throws CloneNotSupportedException {      <a name="line.223"></a>
<FONT color="green">224</FONT>            AbstractPieItemLabelGenerator clone <a name="line.224"></a>
<FONT color="green">225</FONT>                = (AbstractPieItemLabelGenerator) super.clone();<a name="line.225"></a>
<FONT color="green">226</FONT>            if (this.numberFormat != null) {<a name="line.226"></a>
<FONT color="green">227</FONT>                clone.numberFormat = (NumberFormat) this.numberFormat.clone();<a name="line.227"></a>
<FONT color="green">228</FONT>            }<a name="line.228"></a>
<FONT color="green">229</FONT>            if (this.percentFormat != null) {<a name="line.229"></a>
<FONT color="green">230</FONT>                clone.percentFormat = (NumberFormat) this.percentFormat.clone();<a name="line.230"></a>
<FONT color="green">231</FONT>            }<a name="line.231"></a>
<FONT color="green">232</FONT>            return clone;<a name="line.232"></a>
<FONT color="green">233</FONT>        }<a name="line.233"></a>
<FONT color="green">234</FONT>    <a name="line.234"></a>
<FONT color="green">235</FONT>    }<a name="line.235"></a>




























































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