📄 defaultcategorydataset.html
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<FONT color="green">144</FONT> public Comparable getColumnKey(int column) {<a name="line.144"></a><FONT color="green">145</FONT> return this.data.getColumnKey(column);<a name="line.145"></a><FONT color="green">146</FONT> }<a name="line.146"></a><FONT color="green">147</FONT> <a name="line.147"></a><FONT color="green">148</FONT> /**<a name="line.148"></a><FONT color="green">149</FONT> * Returns the column index for a given key.<a name="line.149"></a><FONT color="green">150</FONT> *<a name="line.150"></a><FONT color="green">151</FONT> * @param key the column key.<a name="line.151"></a><FONT color="green">152</FONT> *<a name="line.152"></a><FONT color="green">153</FONT> * @return The column index.<a name="line.153"></a><FONT color="green">154</FONT> */<a name="line.154"></a><FONT color="green">155</FONT> public int getColumnIndex(Comparable key) {<a name="line.155"></a><FONT color="green">156</FONT> return this.data.getColumnIndex(key);<a name="line.156"></a><FONT color="green">157</FONT> }<a name="line.157"></a><FONT color="green">158</FONT> <a name="line.158"></a><FONT color="green">159</FONT> /**<a name="line.159"></a><FONT color="green">160</FONT> * Returns the column keys.<a name="line.160"></a><FONT color="green">161</FONT> *<a name="line.161"></a><FONT color="green">162</FONT> * @return The keys.<a name="line.162"></a><FONT color="green">163</FONT> */<a name="line.163"></a><FONT color="green">164</FONT> public List getColumnKeys() {<a name="line.164"></a><FONT color="green">165</FONT> return this.data.getColumnKeys();<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 value for a pair of keys.<a name="line.169"></a><FONT color="green">170</FONT> *<a name="line.170"></a><FONT color="green">171</FONT> * @param rowKey the row key (<code>null</code> not permitted).<a name="line.171"></a><FONT color="green">172</FONT> * @param columnKey the column key (<code>null</code> not permitted).<a name="line.172"></a><FONT color="green">173</FONT> *<a name="line.173"></a><FONT color="green">174</FONT> * @return The value (possibly <code>null</code>).<a name="line.174"></a><FONT color="green">175</FONT> * <a name="line.175"></a><FONT color="green">176</FONT> * @throws UnknownKeyException if either key is not defined in the dataset.<a name="line.176"></a><FONT color="green">177</FONT> */<a name="line.177"></a><FONT color="green">178</FONT> public Number getValue(Comparable rowKey, Comparable columnKey) {<a name="line.178"></a><FONT color="green">179</FONT> return this.data.getValue(rowKey, columnKey);<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> * Adds a value to the table. Performs the same function as setValue().<a name="line.183"></a><FONT color="green">184</FONT> *<a name="line.184"></a><FONT color="green">185</FONT> * @param value the value.<a name="line.185"></a><FONT color="green">186</FONT> * @param rowKey the row key.<a name="line.186"></a><FONT color="green">187</FONT> * @param columnKey the column key.<a name="line.187"></a><FONT color="green">188</FONT> */<a name="line.188"></a><FONT color="green">189</FONT> public void addValue(Number value, Comparable rowKey, <a name="line.189"></a><FONT color="green">190</FONT> Comparable columnKey) {<a name="line.190"></a><FONT color="green">191</FONT> this.data.addValue(value, rowKey, columnKey);<a name="line.191"></a><FONT color="green">192</FONT> fireDatasetChanged();<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> /**<a name="line.195"></a><FONT color="green">196</FONT> * Adds a value to the table.<a name="line.196"></a><FONT color="green">197</FONT> *<a name="line.197"></a><FONT color="green">198</FONT> * @param value the value.<a name="line.198"></a><FONT color="green">199</FONT> * @param rowKey the row key.<a name="line.199"></a><FONT color="green">200</FONT> * @param columnKey the column key.<a name="line.200"></a><FONT color="green">201</FONT> */<a name="line.201"></a><FONT color="green">202</FONT> public void addValue(double value, Comparable rowKey, <a name="line.202"></a><FONT color="green">203</FONT> Comparable columnKey) {<a name="line.203"></a><FONT color="green">204</FONT> addValue(new Double(value), rowKey, columnKey);<a name="line.204"></a><FONT color="green">205</FONT> }<a name="line.205"></a><FONT color="green">206</FONT> <a name="line.206"></a><FONT color="green">207</FONT> /**<a name="line.207"></a><FONT color="green">208</FONT> * Adds or updates a value in the table and sends a <a name="line.208"></a><FONT color="green">209</FONT> * {@link DatasetChangeEvent} to all registered listeners.<a name="line.209"></a><FONT color="green">210</FONT> *<a name="line.210"></a><FONT color="green">211</FONT> * @param value the value (<code>null</code> permitted).<a name="line.211"></a><FONT color="green">212</FONT> * @param rowKey the row key (<code>null</code> not permitted).<a name="line.212"></a><FONT color="green">213</FONT> * @param columnKey the column key (<code>null</code> not permitted).<a name="line.213"></a><FONT color="green">214</FONT> */<a name="line.214"></a><FONT color="green">215</FONT> public void setValue(Number value, Comparable rowKey, <a name="line.215"></a><FONT color="green">216</FONT> Comparable columnKey) {<a name="line.216"></a><FONT color="green">217</FONT> this.data.setValue(value, rowKey, columnKey);<a name="line.217"></a><FONT color="green">218</FONT> fireDatasetChanged();<a name="line.218"></a><FONT color="green">219</FONT> }<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> * Adds or updates a value in the table and sends a <a name="line.222"></a><FONT color="green">223</FONT> * {@link DatasetChangeEvent} to all registered listeners.<a name="line.223"></a><FONT color="green">224</FONT> *<a name="line.224"></a><FONT color="green">225</FONT> * @param value the value.<a name="line.225"></a><FONT color="green">226</FONT> * @param rowKey the row key (<code>null</code> not permitted).<a name="line.226"></a><FONT color="green">227</FONT> * @param columnKey the column key (<code>null</code> not permitted).<a name="line.227"></a><FONT color="green">228</FONT> */<a name="line.228"></a><FONT color="green">229</FONT> public void setValue(double value, Comparable rowKey, <a name="line.229"></a><FONT color="green">230</FONT> Comparable columnKey) {<a name="line.230"></a><FONT color="green">231</FONT> setValue(new Double(value), rowKey, columnKey);<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> /**<a name="line.234"></a><FONT color="green">235</FONT> * Adds the specified value to an existing value in the dataset (if the <a name="line.235"></a><FONT color="green">236</FONT> * existing value is <code>null</code>, it is treated as if it were 0.0).<a name="line.236"></a><FONT color="green">237</FONT> * <a name="line.237"></a><FONT color="green">238</FONT> * @param value the value.<a name="line.238"></a><FONT color="green">239</FONT> * @param rowKey the row key (<code>null</code> not permitted).<a name="line.239"></a><FONT color="green">240</FONT> * @param columnKey the column key (<code>null</code> not permitted).<a name="line.240"></a><FONT color="green">241</FONT> * <a name="line.241"></a><FONT color="green">242</FONT> * @throws UnknownKeyException if either key is not defined in the dataset.<a name="line.242"></a><FONT color="green">243</FONT> */<a name="line.243"></a><FONT color="green">244</FONT> public void incrementValue(double value, <a name="line.244"></a><FONT color="green">245</FONT> Comparable rowKey, <a name="line.245"></a><FONT color="green">246</FONT> Comparable columnKey) {<a name="line.246"></a><FONT color="green">247</FONT> double existing = 0.0;<a name="line.247"></a><FONT color="green">248</FONT> Number n = getValue(rowKey, columnKey);<a name="line.248"></a><FONT color="green">249</FONT> if (n != null) {<a name="line.249"></a><FONT color="green">250</FONT> existing = n.doubleValue();<a name="line.250"></a><FONT color="green">251</FONT> }<a name="line.251"></a><FONT color="green">252</FONT> setValue(existing + value, rowKey, columnKey);<a name="line.252"></a><FONT color="green">253</FONT> }<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> * Removes a value from the dataset.<a name="line.256"></a><FONT color="green">257</FONT> *<a name="line.257"></a><FONT color="green">258</FONT> * @param rowKey the row key.<a name="line.258"></a><FONT color="green">259</FONT> * @param columnKey the column key.<a name="line.259"></a><FONT color="green">260</FONT> */<a name="line.260"></a><FONT color="green">261</FONT> public void removeValue(Comparable rowKey, Comparable columnKey) {<a name="line.261"></a><FONT color="green">262</FONT> this.data.removeValue(rowKey, columnKey);<a name="line.262"></a><FONT color="green">263</FONT> fireDatasetChanged();<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> /**<a name="line.266"></a><FONT color="green">267</FONT> * Removes a row from the dataset.<a name="line.267"></a><FONT color="green">268</FONT> *<a name="line.268"></a><FONT color="green">269</FONT> * @param rowIndex the row index.<a name="line.269"></a><FONT color="green">270</FONT> */<a name="line.270"></a><FONT color="green">271</FONT> public void removeRow(int rowIndex) {<a name="line.271"></a><FONT color="green">272</FONT> this.data.removeRow(rowIndex);<a name="line.272"></a><FONT color="green">273</FONT> fireDatasetChanged();<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> /**<a name="line.276"></a><FONT color="green">277</FONT> * Removes a row from the dataset.<a name="line.277"></a><FONT color="green">278</FONT> *<a name="line.278"></a><FONT color="green">279</FONT> * @param rowKey the row key.<a name="line.279"></a><FONT color="green">280</FONT> */<a name="line.280"></a><FONT color="green">281</FONT> public void removeRow(Comparable rowKey) {<a name="line.281"></a><FONT color="green">282</FONT> this.data.removeRow(rowKey);<a name="line.282"></a><FONT color="green">283</FONT> fireDatasetChanged();<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> /**<a name="line.286"></a><FONT color="green">287</FONT> * Removes a column from the dataset.<a name="line.287"></a><FONT color="green">288</FONT> *<a name="line.288"></a><FONT color="green">289</FONT> * @param columnIndex the column index.<a name="line.289"></a>⌨️ 快捷键说明
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