categoryaxis.html

jfreechart1。0。2的api。

<FONT color="green">141</FONT>        private double lowerMargin;<a name="line.141"></a>
<FONT color="green">142</FONT>    <a name="line.142"></a>
<FONT color="green">143</FONT>        /** The amount of space reserved at the end of the axis. */<a name="line.143"></a>
<FONT color="green">144</FONT>        private double upperMargin;<a name="line.144"></a>
<FONT color="green">145</FONT>    <a name="line.145"></a>
<FONT color="green">146</FONT>        /** The amount of space reserved between categories. */<a name="line.146"></a>
<FONT color="green">147</FONT>        private double categoryMargin;<a name="line.147"></a>
<FONT color="green">148</FONT>        <a name="line.148"></a>
<FONT color="green">149</FONT>        /** The maximum number of lines for category labels. */<a name="line.149"></a>
<FONT color="green">150</FONT>        private int maximumCategoryLabelLines;<a name="line.150"></a>
<FONT color="green">151</FONT>    <a name="line.151"></a>
<FONT color="green">152</FONT>        /** <a name="line.152"></a>
<FONT color="green">153</FONT>         * A ratio that is multiplied by the width of one category to determine the <a name="line.153"></a>
<FONT color="green">154</FONT>         * maximum label width. <a name="line.154"></a>
<FONT color="green">155</FONT>         */<a name="line.155"></a>
<FONT color="green">156</FONT>        private float maximumCategoryLabelWidthRatio;<a name="line.156"></a>
<FONT color="green">157</FONT>        <a name="line.157"></a>
<FONT color="green">158</FONT>        /** The category label offset. */<a name="line.158"></a>
<FONT color="green">159</FONT>        private int categoryLabelPositionOffset; <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 structure defining the category label positions for each axis <a name="line.162"></a>
<FONT color="green">163</FONT>         * location. <a name="line.163"></a>
<FONT color="green">164</FONT>         */<a name="line.164"></a>
<FONT color="green">165</FONT>        private CategoryLabelPositions categoryLabelPositions;<a name="line.165"></a>
<FONT color="green">166</FONT>        <a name="line.166"></a>
<FONT color="green">167</FONT>        /** Storage for tick label font overrides (if any). */<a name="line.167"></a>
<FONT color="green">168</FONT>        private Map tickLabelFontMap;<a name="line.168"></a>
<FONT color="green">169</FONT>        <a name="line.169"></a>
<FONT color="green">170</FONT>        /** Storage for tick label paint overrides (if any). */<a name="line.170"></a>
<FONT color="green">171</FONT>        private transient Map tickLabelPaintMap;<a name="line.171"></a>
<FONT color="green">172</FONT>        <a name="line.172"></a>
<FONT color="green">173</FONT>        /** Storage for the category label tooltips (if any). */<a name="line.173"></a>
<FONT color="green">174</FONT>        private Map categoryLabelToolTips;<a name="line.174"></a>
<FONT color="green">175</FONT>    <a name="line.175"></a>
<FONT color="green">176</FONT>        /**<a name="line.176"></a>
<FONT color="green">177</FONT>         * Creates a new category axis with no label.<a name="line.177"></a>
<FONT color="green">178</FONT>         */<a name="line.178"></a>
<FONT color="green">179</FONT>        public CategoryAxis() {<a name="line.179"></a>
<FONT color="green">180</FONT>            this(null);    <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>        /**<a name="line.183"></a>
<FONT color="green">184</FONT>         * Constructs a category axis, using default values where necessary.<a name="line.184"></a>
<FONT color="green">185</FONT>         *<a name="line.185"></a>
<FONT color="green">186</FONT>         * @param label  the axis label (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.186"></a>
<FONT color="green">187</FONT>         */<a name="line.187"></a>
<FONT color="green">188</FONT>        public CategoryAxis(String label) {<a name="line.188"></a>
<FONT color="green">189</FONT>    <a name="line.189"></a>
<FONT color="green">190</FONT>            super(label);<a name="line.190"></a>
<FONT color="green">191</FONT>    <a name="line.191"></a>
<FONT color="green">192</FONT>            this.lowerMargin = DEFAULT_AXIS_MARGIN;<a name="line.192"></a>
<FONT color="green">193</FONT>            this.upperMargin = DEFAULT_AXIS_MARGIN;<a name="line.193"></a>
<FONT color="green">194</FONT>            this.categoryMargin = DEFAULT_CATEGORY_MARGIN;<a name="line.194"></a>
<FONT color="green">195</FONT>            this.maximumCategoryLabelLines = 1;<a name="line.195"></a>
<FONT color="green">196</FONT>            this.maximumCategoryLabelWidthRatio = 0.0f;<a name="line.196"></a>
<FONT color="green">197</FONT>            <a name="line.197"></a>
<FONT color="green">198</FONT>            setTickMarksVisible(false);  // not supported by this axis type yet<a name="line.198"></a>
<FONT color="green">199</FONT>            <a name="line.199"></a>
<FONT color="green">200</FONT>            this.categoryLabelPositionOffset = 4;<a name="line.200"></a>
<FONT color="green">201</FONT>            this.categoryLabelPositions = CategoryLabelPositions.STANDARD;<a name="line.201"></a>
<FONT color="green">202</FONT>            this.tickLabelFontMap = new HashMap();<a name="line.202"></a>
<FONT color="green">203</FONT>            this.tickLabelPaintMap = new HashMap();<a name="line.203"></a>
<FONT color="green">204</FONT>            this.categoryLabelToolTips = new HashMap();<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>        /**<a name="line.208"></a>
<FONT color="green">209</FONT>         * Returns the lower margin for the axis.<a name="line.209"></a>
<FONT color="green">210</FONT>         *<a name="line.210"></a>
<FONT color="green">211</FONT>         * @return The margin.<a name="line.211"></a>
<FONT color="green">212</FONT>         */<a name="line.212"></a>
<FONT color="green">213</FONT>        public double getLowerMargin() {<a name="line.213"></a>
<FONT color="green">214</FONT>            return this.lowerMargin;<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>        /**<a name="line.217"></a>
<FONT color="green">218</FONT>         * Sets the lower margin for the axis and sends an {@link AxisChangeEvent} <a name="line.218"></a>
<FONT color="green">219</FONT>         * to all registered listeners.<a name="line.219"></a>
<FONT color="green">220</FONT>         *<a name="line.220"></a>
<FONT color="green">221</FONT>         * @param margin  the margin as a percentage of the axis length (for <a name="line.221"></a>
<FONT color="green">222</FONT>         *                example, 0.05 is five percent).<a name="line.222"></a>
<FONT color="green">223</FONT>         */<a name="line.223"></a>
<FONT color="green">224</FONT>        public void setLowerMargin(double margin) {<a name="line.224"></a>
<FONT color="green">225</FONT>            this.lowerMargin = margin;<a name="line.225"></a>
<FONT color="green">226</FONT>            notifyListeners(new AxisChangeEvent(this));<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 the upper margin for the axis.<a name="line.230"></a>
<FONT color="green">231</FONT>         *<a name="line.231"></a>
<FONT color="green">232</FONT>         * @return The margin.<a name="line.232"></a>
<FONT color="green">233</FONT>         */<a name="line.233"></a>
<FONT color="green">234</FONT>        public double getUpperMargin() {<a name="line.234"></a>
<FONT color="green">235</FONT>            return this.upperMargin;<a name="line.235"></a>
<FONT color="green">236</FONT>        }<a name="line.236"></a>
<FONT color="green">237</FONT>    <a name="line.237"></a>
<FONT color="green">238</FONT>        /**<a name="line.238"></a>
<FONT color="green">239</FONT>         * Sets the upper margin for the axis and sends an {@link AxisChangeEvent}<a name="line.239"></a>
<FONT color="green">240</FONT>         * to all registered listeners.<a name="line.240"></a>
<FONT color="green">241</FONT>         *<a name="line.241"></a>
<FONT color="green">242</FONT>         * @param margin  the margin as a percentage of the axis length (for <a name="line.242"></a>
<FONT color="green">243</FONT>         *                example, 0.05 is five percent).<a name="line.243"></a>
<FONT color="green">244</FONT>         */<a name="line.244"></a>
<FONT color="green">245</FONT>        public void setUpperMargin(double margin) {<a name="line.245"></a>
<FONT color="green">246</FONT>            this.upperMargin = margin;<a name="line.246"></a>
<FONT color="green">247</FONT>            notifyListeners(new AxisChangeEvent(this));<a name="line.247"></a>
<FONT color="green">248</FONT>        }<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>         * Returns the category margin.<a name="line.251"></a>
<FONT color="green">252</FONT>         *<a name="line.252"></a>
<FONT color="green">253</FONT>         * @return The margin.<a name="line.253"></a>
<FONT color="green">254</FONT>         */<a name="line.254"></a>
<FONT color="green">255</FONT>        public double getCategoryMargin() {<a name="line.255"></a>
<FONT color="green">256</FONT>            return this.categoryMargin;<a name="line.256"></a>
<FONT color="green">257</FONT>        }<a name="line.257"></a>
<FONT color="green">258</FONT>    <a name="line.258"></a>
<FONT color="green">259</FONT>        /**<a name="line.259"></a>
<FONT color="green">260</FONT>         * Sets the category margin and sends an {@link AxisChangeEvent} to all <a name="line.260"></a>
<FONT color="green">261</FONT>         * registered listeners.  The overall category margin is distributed over <a name="line.261"></a>
<FONT color="green">262</FONT>         * N-1 gaps, where N is the number of categories on the axis.<a name="line.262"></a>
<FONT color="green">263</FONT>         *<a name="line.263"></a>
<FONT color="green">264</FONT>         * @param margin  the margin as a percentage of the axis length (for <a name="line.264"></a>
<FONT color="green">265</FONT>         *                example, 0.05 is five percent).<a name="line.265"></a>
<FONT color="green">266</FONT>         */<a name="line.266"></a>
<FONT color="green">267</FONT>        public void setCategoryMargin(double margin) {<a name="line.267"></a>
<FONT color="green">268</FONT>            this.categoryMargin = margin;<a name="line.268"></a>
<FONT color="green">269</FONT>            notifyListeners(new AxisChangeEvent(this));<a name="line.269"></a>
<FONT color="green">270</FONT>        }<a name="line.270"></a>
<FONT color="green">271</FONT>    <a name="line.271"></a>
<FONT color="green">272</FONT>        /**<a name="line.272"></a>
<FONT color="green">273</FONT>         * Returns the maximum number of lines to use for each category label.<a name="line.273"></a>
<FONT color="green">274</FONT>         * <a name="line.274"></a>
<FONT color="green">275</FONT>         * @return The maximum number of lines.<a name="line.275"></a>
<FONT color="green">276</FONT>         */<a name="line.276"></a>
<FONT color="green">277</FONT>        public int getMaximumCategoryLabelLines() {<a name="line.277"></a>
<FONT color="green">278</FONT>            return this.maximumCategoryLabelLines;<a name="line.278"></a>
<FONT color="green">279</FONT>        }<a name="line.279"></a>
<FONT color="green">280</FONT>        <a name="line.280"></a>
<FONT color="green">281</FONT>        /**<a name="line.281"></a>
<FONT color="green">282</FONT>         * Sets the maximum number of lines to use for each category label and<a name="line.282"></a>
<FONT color="green">283</FONT>         * sends an {@link AxisChangeEvent} to all registered listeners.<a name="line.283"></a>