numberaxis.html

jfreechart1。0。2的api。

<FONT color="green">138</FONT>        /** The default value for the autoRangeStickyZero flag. */<a name="line.138"></a>
<FONT color="green">139</FONT>        public static final boolean DEFAULT_AUTO_RANGE_STICKY_ZERO = true;<a name="line.139"></a>
<FONT color="green">140</FONT>    <a name="line.140"></a>
<FONT color="green">141</FONT>        /** The default tick unit. */<a name="line.141"></a>
<FONT color="green">142</FONT>        public static final NumberTickUnit<a name="line.142"></a>
<FONT color="green">143</FONT>            DEFAULT_TICK_UNIT = new NumberTickUnit(1.0, new DecimalFormat("0"));<a name="line.143"></a>
<FONT color="green">144</FONT>    <a name="line.144"></a>
<FONT color="green">145</FONT>        /** The default setting for the vertical tick labels flag. */<a name="line.145"></a>
<FONT color="green">146</FONT>        public static final boolean DEFAULT_VERTICAL_TICK_LABELS = false;<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>         * The range type (can be used to force the axis to display only positive<a name="line.149"></a>
<FONT color="green">150</FONT>         * values or only negative values.<a name="line.150"></a>
<FONT color="green">151</FONT>         */<a name="line.151"></a>
<FONT color="green">152</FONT>        private RangeType rangeType;<a name="line.152"></a>
<FONT color="green">153</FONT>        <a name="line.153"></a>
<FONT color="green">154</FONT>        /**<a name="line.154"></a>
<FONT color="green">155</FONT>         * A flag that affects the axis range when the range is determined<a name="line.155"></a>
<FONT color="green">156</FONT>         * automatically.  If the auto range does NOT include zero and this flag<a name="line.156"></a>
<FONT color="green">157</FONT>         * is TRUE, then the range is changed to include zero.<a name="line.157"></a>
<FONT color="green">158</FONT>         */<a name="line.158"></a>
<FONT color="green">159</FONT>        private boolean autoRangeIncludesZero;<a name="line.159"></a>
<FONT color="green">160</FONT>    <a name="line.160"></a>
<FONT color="green">161</FONT>        /**<a name="line.161"></a>
<FONT color="green">162</FONT>         * A flag that affects the size of the margins added to the axis range when<a name="line.162"></a>
<FONT color="green">163</FONT>         * the range is determined automatically.  If the value 0 falls within the<a name="line.163"></a>
<FONT color="green">164</FONT>         * margin and this flag is TRUE, then the margin is truncated at zero.<a name="line.164"></a>
<FONT color="green">165</FONT>         */<a name="line.165"></a>
<FONT color="green">166</FONT>        private boolean autoRangeStickyZero;<a name="line.166"></a>
<FONT color="green">167</FONT>    <a name="line.167"></a>
<FONT color="green">168</FONT>        /** The tick unit for the axis. */<a name="line.168"></a>
<FONT color="green">169</FONT>        private NumberTickUnit tickUnit;<a name="line.169"></a>
<FONT color="green">170</FONT>    <a name="line.170"></a>
<FONT color="green">171</FONT>        /** The override number format. */<a name="line.171"></a>
<FONT color="green">172</FONT>        private NumberFormat numberFormatOverride;<a name="line.172"></a>
<FONT color="green">173</FONT>    <a name="line.173"></a>
<FONT color="green">174</FONT>        /** An optional band for marking regions on the axis. */<a name="line.174"></a>
<FONT color="green">175</FONT>        private MarkerAxisBand markerBand;<a name="line.175"></a>
<FONT color="green">176</FONT>    <a name="line.176"></a>
<FONT color="green">177</FONT>        /**<a name="line.177"></a>
<FONT color="green">178</FONT>         * Default constructor.<a name="line.178"></a>
<FONT color="green">179</FONT>         */<a name="line.179"></a>
<FONT color="green">180</FONT>        public NumberAxis() {<a name="line.180"></a>
<FONT color="green">181</FONT>            this(null);    <a name="line.181"></a>
<FONT color="green">182</FONT>        }<a name="line.182"></a>
<FONT color="green">183</FONT>        <a name="line.183"></a>
<FONT color="green">184</FONT>        /**<a name="line.184"></a>
<FONT color="green">185</FONT>         * Constructs a number axis, using default values where necessary.<a name="line.185"></a>
<FONT color="green">186</FONT>         *<a name="line.186"></a>
<FONT color="green">187</FONT>         * @param label  the axis label (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.187"></a>
<FONT color="green">188</FONT>         */<a name="line.188"></a>
<FONT color="green">189</FONT>        public NumberAxis(String label) {<a name="line.189"></a>
<FONT color="green">190</FONT>            super(label, NumberAxis.createStandardTickUnits());<a name="line.190"></a>
<FONT color="green">191</FONT>            this.rangeType = RangeType.FULL;<a name="line.191"></a>
<FONT color="green">192</FONT>            this.autoRangeIncludesZero = DEFAULT_AUTO_RANGE_INCLUDES_ZERO;<a name="line.192"></a>
<FONT color="green">193</FONT>            this.autoRangeStickyZero = DEFAULT_AUTO_RANGE_STICKY_ZERO;<a name="line.193"></a>
<FONT color="green">194</FONT>            this.tickUnit = DEFAULT_TICK_UNIT;<a name="line.194"></a>
<FONT color="green">195</FONT>            this.numberFormatOverride = null;<a name="line.195"></a>
<FONT color="green">196</FONT>            this.markerBand = null;<a name="line.196"></a>
<FONT color="green">197</FONT>        }<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>         * Returns the axis range type.<a name="line.200"></a>
<FONT color="green">201</FONT>         * <a name="line.201"></a>
<FONT color="green">202</FONT>         * @return The axis range type (never &lt;code&gt;null&lt;/code&gt;).<a name="line.202"></a>
<FONT color="green">203</FONT>         */<a name="line.203"></a>
<FONT color="green">204</FONT>        public RangeType getRangeType() {<a name="line.204"></a>
<FONT color="green">205</FONT>            return this.rangeType;   <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>        /**<a name="line.208"></a>
<FONT color="green">209</FONT>         * Sets the axis range type.<a name="line.209"></a>
<FONT color="green">210</FONT>         * <a name="line.210"></a>
<FONT color="green">211</FONT>         * @param rangeType  the range type (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.211"></a>
<FONT color="green">212</FONT>         */<a name="line.212"></a>
<FONT color="green">213</FONT>        public void setRangeType(RangeType rangeType) {<a name="line.213"></a>
<FONT color="green">214</FONT>            if (rangeType == null) {<a name="line.214"></a>
<FONT color="green">215</FONT>                throw new IllegalArgumentException("Null 'rangeType' argument.");   <a name="line.215"></a>
<FONT color="green">216</FONT>            }<a name="line.216"></a>
<FONT color="green">217</FONT>            this.rangeType = rangeType;<a name="line.217"></a>
<FONT color="green">218</FONT>            notifyListeners(new AxisChangeEvent(this));<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>         * Returns the flag that indicates whether or not the automatic axis range<a name="line.222"></a>
<FONT color="green">223</FONT>         * (if indeed it is determined automatically) is forced to include zero.<a name="line.223"></a>
<FONT color="green">224</FONT>         *<a name="line.224"></a>
<FONT color="green">225</FONT>         * @return The flag.<a name="line.225"></a>
<FONT color="green">226</FONT>         */<a name="line.226"></a>
<FONT color="green">227</FONT>        public boolean getAutoRangeIncludesZero() {<a name="line.227"></a>
<FONT color="green">228</FONT>            return this.autoRangeIncludesZero;<a name="line.228"></a>
<FONT color="green">229</FONT>        }<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>         * Sets the flag that indicates whether or not the axis range, if <a name="line.232"></a>
<FONT color="green">233</FONT>         * automatically calculated, is forced to include zero.<a name="line.233"></a>
<FONT color="green">234</FONT>         * &lt;p&gt;<a name="line.234"></a>
<FONT color="green">235</FONT>         * If the flag is changed to &lt;code&gt;true&lt;/code&gt;, the axis range is <a name="line.235"></a>
<FONT color="green">236</FONT>         * recalculated.<a name="line.236"></a>
<FONT color="green">237</FONT>         * &lt;p&gt;<a name="line.237"></a>
<FONT color="green">238</FONT>         * Any change to the flag will trigger an {@link AxisChangeEvent}.<a name="line.238"></a>
<FONT color="green">239</FONT>         *<a name="line.239"></a>
<FONT color="green">240</FONT>         * @param flag  the new value of the flag.<a name="line.240"></a>
<FONT color="green">241</FONT>         */<a name="line.241"></a>
<FONT color="green">242</FONT>        public void setAutoRangeIncludesZero(boolean flag) {<a name="line.242"></a>
<FONT color="green">243</FONT>            if (this.autoRangeIncludesZero != flag) {<a name="line.243"></a>
<FONT color="green">244</FONT>                this.autoRangeIncludesZero = flag;<a name="line.244"></a>
<FONT color="green">245</FONT>                if (isAutoRange()) {<a name="line.245"></a>
<FONT color="green">246</FONT>                    autoAdjustRange();<a name="line.246"></a>
<FONT color="green">247</FONT>                }<a name="line.247"></a>
<FONT color="green">248</FONT>                notifyListeners(new AxisChangeEvent(this));<a name="line.248"></a>
<FONT color="green">249</FONT>            }<a name="line.249"></a>
<FONT color="green">250</FONT>        }<a name="line.250"></a>
<FONT color="green">251</FONT>    <a name="line.251"></a>
<FONT color="green">252</FONT>        /**<a name="line.252"></a>
<FONT color="green">253</FONT>         * Returns a flag that affects the auto-range when zero falls outside the<a name="line.253"></a>
<FONT color="green">254</FONT>         * data range but inside the margins defined for the axis.<a name="line.254"></a>
<FONT color="green">255</FONT>         *<a name="line.255"></a>
<FONT color="green">256</FONT>         * @return The flag.<a name="line.256"></a>
<FONT color="green">257</FONT>         */<a name="line.257"></a>
<FONT color="green">258</FONT>        public boolean getAutoRangeStickyZero() {<a name="line.258"></a>
<FONT color="green">259</FONT>            return this.autoRangeStickyZero;<a name="line.259"></a>
<FONT color="green">260</FONT>        }<a name="line.260"></a>
<FONT color="green">261</FONT>    <a name="line.261"></a>
<FONT color="green">262</FONT>        /**<a name="line.262"></a>
<FONT color="green">263</FONT>         * Sets a flag that affects the auto-range when zero falls outside the data<a name="line.263"></a>
<FONT color="green">264</FONT>         * range but inside the margins defined for the axis.<a name="line.264"></a>
<FONT color="green">265</FONT>         *<a name="line.265"></a>
<FONT color="green">266</FONT>         * @param flag  the new flag.<a name="line.266"></a>
<FONT color="green">267</FONT>         */<a name="line.267"></a>
<FONT color="green">268</FONT>        public void setAutoRangeStickyZero(boolean flag) {<a name="line.268"></a>
<FONT color="green">269</FONT>            if (this.autoRangeStickyZero != flag) {<a name="line.269"></a>
<FONT color="green">270</FONT>                this.autoRangeStickyZero = flag;<a name="line.270"></a>
<FONT color="green">271</FONT>                if (isAutoRange()) {<a name="line.271"></a>
<FONT color="green">272</FONT>                    autoAdjustRange();<a name="line.272"></a>
<FONT color="green">273</FONT>                }<a name="line.273"></a>
<FONT color="green">274</FONT>                notifyListeners(new AxisChangeEvent(this));<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>    <a name="line.277"></a>