jonas.rehn
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praktikum-holons
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<pre><span class="sourceLineNo">001</span>/* ===========================================================<a name="line.1"></a>
<span class="sourceLineNo">002</span> * JFreeChart : a free chart library for the Java(tm) platform<a name="line.2"></a>
<span class="sourceLineNo">003</span> * ===========================================================<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * (C) Copyright 2000-2014, by Object Refinery Limited and Contributors.<a name="line.5"></a>
<span class="sourceLineNo">006</span> *<a name="line.6"></a>
<span class="sourceLineNo">007</span> * Project Info:  http://www.jfree.org/jfreechart/index.html<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> * This library is free software; you can redistribute it and/or modify it<a name="line.9"></a>
<span class="sourceLineNo">010</span> * under the terms of the GNU Lesser General Public License as published by<a name="line.10"></a>
<span class="sourceLineNo">011</span> * the Free Software Foundation; either version 2.1 of the License, or<a name="line.11"></a>
<span class="sourceLineNo">012</span> * (at your option) any later version.<a name="line.12"></a>
<span class="sourceLineNo">013</span> *<a name="line.13"></a>
<span class="sourceLineNo">014</span> * This library is distributed in the hope that it will be useful, but<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY<a name="line.15"></a>
<span class="sourceLineNo">016</span> * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public<a name="line.16"></a>
<span class="sourceLineNo">017</span> * License for more details.<a name="line.17"></a>
<span class="sourceLineNo">018</span> *<a name="line.18"></a>
<span class="sourceLineNo">019</span> * You should have received a copy of the GNU Lesser General Public<a name="line.19"></a>
<span class="sourceLineNo">020</span> * License along with this library; if not, write to the Free Software<a name="line.20"></a>
<span class="sourceLineNo">021</span> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,<a name="line.21"></a>
<span class="sourceLineNo">022</span> * USA.<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. <a name="line.24"></a>
<span class="sourceLineNo">025</span> * Other names may be trademarks of their respective owners.]<a name="line.25"></a>
<span class="sourceLineNo">026</span> *<a name="line.26"></a>
<span class="sourceLineNo">027</span> * ---------------<a name="line.27"></a>
<span class="sourceLineNo">028</span> * NumberAxis.java<a name="line.28"></a>
<span class="sourceLineNo">029</span> * ---------------<a name="line.29"></a>
<span class="sourceLineNo">030</span> * (C) Copyright 2000-2013, by Object Refinery Limited and Contributors.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * Original Author:  David Gilbert (for Object Refinery Limited);<a name="line.32"></a>
<span class="sourceLineNo">033</span> * Contributor(s):   Laurence Vanhelsuwe;<a name="line.33"></a>
<span class="sourceLineNo">034</span> *                   Peter Kolb (patches 1934255 and 2603321);<a name="line.34"></a>
<span class="sourceLineNo">035</span> *<a name="line.35"></a>
<span class="sourceLineNo">036</span> * Changes<a name="line.36"></a>
<span class="sourceLineNo">037</span> * -------<a name="line.37"></a>
<span class="sourceLineNo">038</span> * 18-Sep-2001 : Added standard header and fixed DOS encoding problem (DG);<a name="line.38"></a>
<span class="sourceLineNo">039</span> * 22-Sep-2001 : Changed setMinimumAxisValue() and setMaximumAxisValue() so<a name="line.39"></a>
<span class="sourceLineNo">040</span> *               that they clear the autoRange flag (DG);<a name="line.40"></a>
<span class="sourceLineNo">041</span> * 27-Nov-2001 : Removed old, redundant code (DG);<a name="line.41"></a>
<span class="sourceLineNo">042</span> * 30-Nov-2001 : Added accessor methods for the standard tick units (DG);<a name="line.42"></a>
<span class="sourceLineNo">043</span> * 08-Jan-2002 : Added setAxisRange() method (since renamed setRange()) (DG);<a name="line.43"></a>
<span class="sourceLineNo">044</span> * 16-Jan-2002 : Added setTickUnit() method.  Extended ValueAxis to support an<a name="line.44"></a>
<span class="sourceLineNo">045</span> *               optional cross-hair (DG);<a name="line.45"></a>
<span class="sourceLineNo">046</span> * 08-Feb-2002 : Fixes bug to ensure the autorange is recalculated if the<a name="line.46"></a>
<span class="sourceLineNo">047</span> *               setAutoRangeIncludesZero flag is changed (DG);<a name="line.47"></a>
<span class="sourceLineNo">048</span> * 25-Feb-2002 : Added a new flag autoRangeStickyZero to provide further<a name="line.48"></a>
<span class="sourceLineNo">049</span> *               control over margins in the auto-range mechanism.  Updated<a name="line.49"></a>
<span class="sourceLineNo">050</span> *               constructors.  Updated import statements.  Moved the<a name="line.50"></a>
<span class="sourceLineNo">051</span> *               createStandardTickUnits() method to the TickUnits class (DG);<a name="line.51"></a>
<span class="sourceLineNo">052</span> * 19-Apr-2002 : Updated Javadoc comments (DG);<a name="line.52"></a>
<span class="sourceLineNo">053</span> * 01-May-2002 : Updated for changes to TickUnit class, removed valueToString()<a name="line.53"></a>
<span class="sourceLineNo">054</span> *               method (DG);<a name="line.54"></a>
<span class="sourceLineNo">055</span> * 25-Jul-2002 : Moved the lower and upper margin attributes, and the<a name="line.55"></a>
<span class="sourceLineNo">056</span> *               auto-range minimum size, up one level to the ValueAxis<a name="line.56"></a>
<span class="sourceLineNo">057</span> *               class (DG);<a name="line.57"></a>
<span class="sourceLineNo">058</span> * 05-Sep-2002 : Updated constructor to match changes in Axis class (DG);<a name="line.58"></a>
<span class="sourceLineNo">059</span> * 01-Oct-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.59"></a>
<span class="sourceLineNo">060</span> * 04-Oct-2002 : Moved standardTickUnits from NumberAxis --&gt; ValueAxis (DG);<a name="line.60"></a>
<span class="sourceLineNo">061</span> * 24-Oct-2002 : Added a number format override (DG);<a name="line.61"></a>
<span class="sourceLineNo">062</span> * 08-Nov-2002 : Moved to new package com.jrefinery.chart.axis (DG);<a name="line.62"></a>
<span class="sourceLineNo">063</span> * 19-Nov-2002 : Removed grid settings (now controlled by the plot) (DG);<a name="line.63"></a>
<span class="sourceLineNo">064</span> * 14-Jan-2003 : Changed autoRangeMinimumSize from Number --&gt; double, and moved<a name="line.64"></a>
<span class="sourceLineNo">065</span> *               crosshair settings to the plot classes (DG);<a name="line.65"></a>
<span class="sourceLineNo">066</span> * 20-Jan-2003 : Removed the monolithic constructor (DG);<a name="line.66"></a>
<span class="sourceLineNo">067</span> * 26-Mar-2003 : Implemented Serializable (DG);<a name="line.67"></a>
<span class="sourceLineNo">068</span> * 16-Jul-2003 : Reworked to allow for multiple secondary axes (DG);<a name="line.68"></a>
<span class="sourceLineNo">069</span> * 13-Aug-2003 : Implemented Cloneable (DG);<a name="line.69"></a>
<span class="sourceLineNo">070</span> * 07-Oct-2003 : Fixed bug (815028) in the auto range calculation (DG);<a name="line.70"></a>
<span class="sourceLineNo">071</span> * 29-Oct-2003 : Added workaround for font alignment in PDF output (DG);<a name="line.71"></a>
<span class="sourceLineNo">072</span> * 07-Nov-2003 : Modified to use NumberTick class (DG);<a name="line.72"></a>
<span class="sourceLineNo">073</span> * 21-Jan-2004 : Renamed translateJava2DToValue --&gt; java2DToValue, and<a name="line.73"></a>
<span class="sourceLineNo">074</span> *               translateValueToJava2D --&gt; valueToJava2D (DG);<a name="line.74"></a>
<span class="sourceLineNo">075</span> * 03-Mar-2004 : Added plotState to draw() method (DG);<a name="line.75"></a>
<span class="sourceLineNo">076</span> * 07-Apr-2004 : Changed string width calculation (DG);<a name="line.76"></a>
<span class="sourceLineNo">077</span> * 11-Jan-2005 : Removed deprecated methods in preparation for 1.0.0<a name="line.77"></a>
<span class="sourceLineNo">078</span> *               release (DG);<a name="line.78"></a>
<span class="sourceLineNo">079</span> * 28-Mar-2005 : Renamed autoRangeIncludesZero() --&gt; getAutoRangeIncludesZero()<a name="line.79"></a>
<span class="sourceLineNo">080</span> *               and autoRangeStickyZero() --&gt; getAutoRangeStickyZero() (DG);<a name="line.80"></a>
<span class="sourceLineNo">081</span> * 21-Apr-2005 : Removed redundant argument from selectAutoTickUnit() (DG);<a name="line.81"></a>
<span class="sourceLineNo">082</span> * 22-Apr-2005 : Renamed refreshHorizontalTicks --&gt; refreshTicksHorizontal<a name="line.82"></a>
<span class="sourceLineNo">083</span> *               (and likewise the vertical version) for consistency with<a name="line.83"></a>
<span class="sourceLineNo">084</span> *               other axis classes (DG);<a name="line.84"></a>
<span class="sourceLineNo">085</span> * ------------- JFREECHART 1.0.x ---------------------------------------------<a name="line.85"></a>
<span class="sourceLineNo">086</span> * 10-Feb-2006 : Added some API doc comments in respect of bug 821046 (DG);<a name="line.86"></a>
<span class="sourceLineNo">087</span> * 20-Feb-2006 : Modified equals() method to check rangeType field (fixes bug<a name="line.87"></a>
<span class="sourceLineNo">088</span> *               1435461) (DG);<a name="line.88"></a>
<span class="sourceLineNo">089</span> * 04-Sep-2006 : Fix auto range calculation for the case where all data values<a name="line.89"></a>
<span class="sourceLineNo">090</span> *               are constant and large (see bug report 1549218) (DG);<a name="line.90"></a>
<span class="sourceLineNo">091</span> * 11-Dec-2006 : Fix bug in auto-tick unit selection with tick format override,<a name="line.91"></a>
<span class="sourceLineNo">092</span> *               see bug 1608371 (DG);<a name="line.92"></a>
<span class="sourceLineNo">093</span> * 22-Mar-2007 : Use new defaultAutoRange attribute (DG);<a name="line.93"></a>
<span class="sourceLineNo">094</span> * 25-Sep-2008 : Added minor tick support, see patch 1934255 by Peter Kolb (DG);<a name="line.94"></a>
<span class="sourceLineNo">095</span> * 21-Jan-2009 : Default minor tick counts will now come from the tick unit<a name="line.95"></a>
<span class="sourceLineNo">096</span> *               collection (DG);<a name="line.96"></a>
<span class="sourceLineNo">097</span> * 19-Mar-2009 : Added entity support - see patch 2603321 by Peter Kolb (DG);<a name="line.97"></a>
<span class="sourceLineNo">098</span> * 02-Jul-2013 : Use ParamChecks (DG);<a name="line.98"></a>
<span class="sourceLineNo">099</span> * 01-Aug-2013 : Added attributedLabel override to support superscripts,<a name="line.99"></a>
<span class="sourceLineNo">100</span> *               subscripts and more (DG);<a name="line.100"></a>
<span class="sourceLineNo">101</span> * <a name="line.101"></a>
<span class="sourceLineNo">102</span> */<a name="line.102"></a>
<span class="sourceLineNo">103</span><a name="line.103"></a>
<span class="sourceLineNo">104</span>package org.jfree.chart.axis;<a name="line.104"></a>
<span class="sourceLineNo">105</span><a name="line.105"></a>
<span class="sourceLineNo">106</span>import java.awt.Font;<a name="line.106"></a>
<span class="sourceLineNo">107</span>import java.awt.FontMetrics;<a name="line.107"></a>
<span class="sourceLineNo">108</span>import java.awt.Graphics2D;<a name="line.108"></a>
<span class="sourceLineNo">109</span>import java.awt.font.FontRenderContext;<a name="line.109"></a>
<span class="sourceLineNo">110</span>import java.awt.font.LineMetrics;<a name="line.110"></a>
<span class="sourceLineNo">111</span>import java.awt.geom.Rectangle2D;<a name="line.111"></a>
<span class="sourceLineNo">112</span>import java.io.Serializable;<a name="line.112"></a>
<span class="sourceLineNo">113</span>import java.text.DecimalFormat;<a name="line.113"></a>
<span class="sourceLineNo">114</span>import java.text.NumberFormat;<a name="line.114"></a>
<span class="sourceLineNo">115</span>import java.util.List;<a name="line.115"></a>
<span class="sourceLineNo">116</span>import java.util.Locale;<a name="line.116"></a>
<span class="sourceLineNo">117</span><a name="line.117"></a>
<span class="sourceLineNo">118</span>import org.jfree.chart.event.AxisChangeEvent;<a name="line.118"></a>
<span class="sourceLineNo">119</span>import org.jfree.chart.plot.Plot;<a name="line.119"></a>
<span class="sourceLineNo">120</span>import org.jfree.chart.plot.PlotRenderingInfo;<a name="line.120"></a>
<span class="sourceLineNo">121</span>import org.jfree.chart.plot.ValueAxisPlot;<a name="line.121"></a>
<span class="sourceLineNo">122</span>import org.jfree.chart.util.ParamChecks;<a name="line.122"></a>
<span class="sourceLineNo">123</span>import org.jfree.data.Range;<a name="line.123"></a>
<span class="sourceLineNo">124</span>import org.jfree.data.RangeType;<a name="line.124"></a>
<span class="sourceLineNo">125</span>import org.jfree.ui.RectangleEdge;<a name="line.125"></a>
<span class="sourceLineNo">126</span>import org.jfree.ui.RectangleInsets;<a name="line.126"></a>
<span class="sourceLineNo">127</span>import org.jfree.ui.TextAnchor;<a name="line.127"></a>
<span class="sourceLineNo">128</span>import org.jfree.util.ObjectUtilities;<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span>/**<a name="line.130"></a>
<span class="sourceLineNo">131</span> * An axis for displaying numerical data.<a name="line.131"></a>
<span class="sourceLineNo">132</span> * &lt;P&gt;<a name="line.132"></a>
<span class="sourceLineNo">133</span> * If the axis is set up to automatically determine its range to fit the data,<a name="line.133"></a>
<span class="sourceLineNo">134</span> * you can ensure that the range includes zero (statisticians usually prefer<a name="line.134"></a>
<span class="sourceLineNo">135</span> * this) by setting the &lt;code&gt;autoRangeIncludesZero&lt;/code&gt; flag to<a name="line.135"></a>
<span class="sourceLineNo">136</span> * &lt;code&gt;true&lt;/code&gt;.<a name="line.136"></a>
<span class="sourceLineNo">137</span> * &lt;P&gt;<a name="line.137"></a>
<span class="sourceLineNo">138</span> * The &lt;code&gt;NumberAxis&lt;/code&gt; class has a mechanism for automatically<a name="line.138"></a>
<span class="sourceLineNo">139</span> * selecting a tick unit that is appropriate for the current axis range.  This<a name="line.139"></a>
<span class="sourceLineNo">140</span> * mechanism is an adaptation of code suggested by Laurence Vanhelsuwe.<a name="line.140"></a>
<span class="sourceLineNo">141</span> */<a name="line.141"></a>
<span class="sourceLineNo">142</span>public class NumberAxis extends ValueAxis implements Cloneable, Serializable {<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span>    /** For serialization. */<a name="line.144"></a>
<span class="sourceLineNo">145</span>    private static final long serialVersionUID = 2805933088476185789L;<a name="line.145"></a>
<span class="sourceLineNo">146</span><a name="line.146"></a>
<span class="sourceLineNo">147</span>    /** The default value for the autoRangeIncludesZero flag. */<a name="line.147"></a>
<span class="sourceLineNo">148</span>    public static final boolean DEFAULT_AUTO_RANGE_INCLUDES_ZERO = true;<a name="line.148"></a>
<span class="sourceLineNo">149</span><a name="line.149"></a>
<span class="sourceLineNo">150</span>    /** The default value for the autoRangeStickyZero flag. */<a name="line.150"></a>
<span class="sourceLineNo">151</span>    public static final boolean DEFAULT_AUTO_RANGE_STICKY_ZERO = true;<a name="line.151"></a>
<span class="sourceLineNo">152</span><a name="line.152"></a>
<span class="sourceLineNo">153</span>    /** The default tick unit. */<a name="line.153"></a>
<span class="sourceLineNo">154</span>    public static final NumberTickUnit DEFAULT_TICK_UNIT = new NumberTickUnit(<a name="line.154"></a>
<span class="sourceLineNo">155</span>            1.0, new DecimalFormat("0"));<a name="line.155"></a>
<span class="sourceLineNo">156</span><a name="line.156"></a>
<span class="sourceLineNo">157</span>    /** The default setting for the vertical tick labels flag. */<a name="line.157"></a>
<span class="sourceLineNo">158</span>    public static final boolean DEFAULT_VERTICAL_TICK_LABELS = false;<a name="line.158"></a>
<span class="sourceLineNo">159</span><a name="line.159"></a>
<span class="sourceLineNo">160</span>    /**<a name="line.160"></a>
<span class="sourceLineNo">161</span>     * The range type (can be used to force the axis to display only positive<a name="line.161"></a>
<span class="sourceLineNo">162</span>     * values or only negative values).<a name="line.162"></a>
<span class="sourceLineNo">163</span>     */<a name="line.163"></a>
<span class="sourceLineNo">164</span>    private RangeType rangeType;<a name="line.164"></a>
<span class="sourceLineNo">165</span><a name="line.165"></a>
<span class="sourceLineNo">166</span>    /**<a name="line.166"></a>
<span class="sourceLineNo">167</span>     * A flag that affects the axis range when the range is determined<a name="line.167"></a>
<span class="sourceLineNo">168</span>     * automatically.  If the auto range does NOT include zero and this flag<a name="line.168"></a>
<span class="sourceLineNo">169</span>     * is TRUE, then the range is changed to include zero.<a name="line.169"></a>
<span class="sourceLineNo">170</span>     */<a name="line.170"></a>
<span class="sourceLineNo">171</span>    private boolean autoRangeIncludesZero;<a name="line.171"></a>
<span class="sourceLineNo">172</span><a name="line.172"></a>
<span class="sourceLineNo">173</span>    /**<a name="line.173"></a>
<span class="sourceLineNo">174</span>     * A flag that affects the size of the margins added to the axis range when<a name="line.174"></a>
<span class="sourceLineNo">175</span>     * the range is determined automatically.  If the value 0 falls within the<a name="line.175"></a>
<span class="sourceLineNo">176</span>     * margin and this flag is TRUE, then the margin is truncated at zero.<a name="line.176"></a>
<span class="sourceLineNo">177</span>     */<a name="line.177"></a>
<span class="sourceLineNo">178</span>    private boolean autoRangeStickyZero;<a name="line.178"></a>
<span class="sourceLineNo">179</span><a name="line.179"></a>
<span class="sourceLineNo">180</span>    /** The tick unit for the axis. */<a name="line.180"></a>
<span class="sourceLineNo">181</span>    private NumberTickUnit tickUnit;<a name="line.181"></a>
<span class="sourceLineNo">182</span><a name="line.182"></a>
<span class="sourceLineNo">183</span>    /** The override number format. */<a name="line.183"></a>
<span class="sourceLineNo">184</span>    private NumberFormat numberFormatOverride;<a name="line.184"></a>
<span class="sourceLineNo">185</span><a name="line.185"></a>
<span class="sourceLineNo">186</span>    /** An optional band for marking regions on the axis. */<a name="line.186"></a>
<span class="sourceLineNo">187</span>    private MarkerAxisBand markerBand;<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span>    /**<a name="line.189"></a>
<span class="sourceLineNo">190</span>     * Default constructor.<a name="line.190"></a>
<span class="sourceLineNo">191</span>     */<a name="line.191"></a>
<span class="sourceLineNo">192</span>    public NumberAxis() {<a name="line.192"></a>
<span class="sourceLineNo">193</span>        this(null);<a name="line.193"></a>
<span class="sourceLineNo">194</span>    }<a name="line.194"></a>
<span class="sourceLineNo">195</span><a name="line.195"></a>
<span class="sourceLineNo">196</span>    /**<a name="line.196"></a>
<span class="sourceLineNo">197</span>     * Constructs a number axis, using default values where necessary.<a name="line.197"></a>
<span class="sourceLineNo">198</span>     *<a name="line.198"></a>
<span class="sourceLineNo">199</span>     * @param label  the axis label (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.199"></a>
<span class="sourceLineNo">200</span>     */<a name="line.200"></a>
<span class="sourceLineNo">201</span>    public NumberAxis(String label) {<a name="line.201"></a>
<span class="sourceLineNo">202</span>        super(label, NumberAxis.createStandardTickUnits());<a name="line.202"></a>
<span class="sourceLineNo">203</span>        this.rangeType = RangeType.FULL;<a name="line.203"></a>
<span class="sourceLineNo">204</span>        this.autoRangeIncludesZero = DEFAULT_AUTO_RANGE_INCLUDES_ZERO;<a name="line.204"></a>
<span class="sourceLineNo">205</span>        this.autoRangeStickyZero = DEFAULT_AUTO_RANGE_STICKY_ZERO;<a name="line.205"></a>
<span class="sourceLineNo">206</span>        this.tickUnit = DEFAULT_TICK_UNIT;<a name="line.206"></a>
<span class="sourceLineNo">207</span>        this.numberFormatOverride = null;<a name="line.207"></a>
<span class="sourceLineNo">208</span>        this.markerBand = null;<a name="line.208"></a>
<span class="sourceLineNo">209</span>    }<a name="line.209"></a>
<span class="sourceLineNo">210</span><a name="line.210"></a>
<span class="sourceLineNo">211</span>    /**<a name="line.211"></a>
<span class="sourceLineNo">212</span>     * Returns the axis range type.<a name="line.212"></a>
<span class="sourceLineNo">213</span>     *<a name="line.213"></a>
<span class="sourceLineNo">214</span>     * @return The axis range type (never &lt;code&gt;null&lt;/code&gt;).<a name="line.214"></a>
<span class="sourceLineNo">215</span>     *<a name="line.215"></a>
<span class="sourceLineNo">216</span>     * @see #setRangeType(RangeType)<a name="line.216"></a>
<span class="sourceLineNo">217</span>     */<a name="line.217"></a>
<span class="sourceLineNo">218</span>    public RangeType getRangeType() {<a name="line.218"></a>
<span class="sourceLineNo">219</span>        return this.rangeType;<a name="line.219"></a>
<span class="sourceLineNo">220</span>    }<a name="line.220"></a>
<span class="sourceLineNo">221</span><a name="line.221"></a>
<span class="sourceLineNo">222</span>    /**<a name="line.222"></a>
<span class="sourceLineNo">223</span>     * Sets the axis range type.<a name="line.223"></a>
<span class="sourceLineNo">224</span>     *<a name="line.224"></a>
<span class="sourceLineNo">225</span>     * @param rangeType  the range type (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.225"></a>
<span class="sourceLineNo">226</span>     *<a name="line.226"></a>
<span class="sourceLineNo">227</span>     * @see #getRangeType()<a name="line.227"></a>
<span class="sourceLineNo">228</span>     */<a name="line.228"></a>
<span class="sourceLineNo">229</span>    public void setRangeType(RangeType rangeType) {<a name="line.229"></a>
<span class="sourceLineNo">230</span>        ParamChecks.nullNotPermitted(rangeType, "rangeType");<a name="line.230"></a>
<span class="sourceLineNo">231</span>        this.rangeType = rangeType;<a name="line.231"></a>
<span class="sourceLineNo">232</span>        notifyListeners(new AxisChangeEvent(this));<a name="line.232"></a>
<span class="sourceLineNo">233</span>    }<a name="line.233"></a>
<span class="sourceLineNo">234</span><a name="line.234"></a>
<span class="sourceLineNo">235</span>    /**<a name="line.235"></a>
<span class="sourceLineNo">236</span>     * Returns the flag that indicates whether or not the automatic axis range<a name="line.236"></a>
<span class="sourceLineNo">237</span>     * (if indeed it is determined automatically) is forced to include zero.<a name="line.237"></a>
<span class="sourceLineNo">238</span>     *<a name="line.238"></a>
<span class="sourceLineNo">239</span>     * @return The flag.<a name="line.239"></a>
<span class="sourceLineNo">240</span>     */<a name="line.240"></a>
<span class="sourceLineNo">241</span>    public boolean getAutoRangeIncludesZero() {<a name="line.241"></a>
<span class="sourceLineNo">242</span>        return this.autoRangeIncludesZero;<a name="line.242"></a>
<span class="sourceLineNo">243</span>    }<a name="line.243"></a>
<span class="sourceLineNo">244</span><a name="line.244"></a>
<span class="sourceLineNo">245</span>    /**<a name="line.245"></a>
<span class="sourceLineNo">246</span>     * Sets the flag that indicates whether or not the axis range, if<a name="line.246"></a>
<span class="sourceLineNo">247</span>     * automatically calculated, is forced to include zero.<a name="line.247"></a>
<span class="sourceLineNo">248</span>     * &lt;p&gt;<a name="line.248"></a>
<span class="sourceLineNo">249</span>     * If the flag is changed to &lt;code&gt;true&lt;/code&gt;, the axis range is<a name="line.249"></a>
<span class="sourceLineNo">250</span>     * recalculated.<a name="line.250"></a>
<span class="sourceLineNo">251</span>     * &lt;p&gt;<a name="line.251"></a>
<span class="sourceLineNo">252</span>     * Any change to the flag will trigger an {@link AxisChangeEvent}.<a name="line.252"></a>
<span class="sourceLineNo">253</span>     *<a name="line.253"></a>
<span class="sourceLineNo">254</span>     * @param flag  the new value of the flag.<a name="line.254"></a>
<span class="sourceLineNo">255</span>     *<a name="line.255"></a>
<span class="sourceLineNo">256</span>     * @see #getAutoRangeIncludesZero()<a name="line.256"></a>
<span class="sourceLineNo">257</span>     */<a name="line.257"></a>
<span class="sourceLineNo">258</span>    public void setAutoRangeIncludesZero(boolean flag) {<a name="line.258"></a>
<span class="sourceLineNo">259</span>        if (this.autoRangeIncludesZero != flag) {<a name="line.259"></a>
<span class="sourceLineNo">260</span>            this.autoRangeIncludesZero = flag;<a name="line.260"></a>
<span class="sourceLineNo">261</span>            if (isAutoRange()) {<a name="line.261"></a>
<span class="sourceLineNo">262</span>                autoAdjustRange();<a name="line.262"></a>
<span class="sourceLineNo">263</span>            }<a name="line.263"></a>
<span class="sourceLineNo">264</span>            notifyListeners(new AxisChangeEvent(this));<a name="line.264"></a>
<span class="sourceLineNo">265</span>        }<a name="line.265"></a>
<span class="sourceLineNo">266</span>    }<a name="line.266"></a>
<span class="sourceLineNo">267</span><a name="line.267"></a>
<span class="sourceLineNo">268</span>    /**<a name="line.268"></a>
<span class="sourceLineNo">269</span>     * Returns a flag that affects the auto-range when zero falls outside the<a name="line.269"></a>
<span class="sourceLineNo">270</span>     * data range but inside the margins defined for the axis.<a name="line.270"></a>
<span class="sourceLineNo">271</span>     *<a name="line.271"></a>
<span class="sourceLineNo">272</span>     * @return The flag.<a name="line.272"></a>
<span class="sourceLineNo">273</span>     *<a name="line.273"></a>
<span class="sourceLineNo">274</span>     * @see #setAutoRangeStickyZero(boolean)<a name="line.274"></a>
<span class="sourceLineNo">275</span>     */<a name="line.275"></a>
<span class="sourceLineNo">276</span>    public boolean getAutoRangeStickyZero() {<a name="line.276"></a>
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<span class="sourceLineNo">279</span><a name="line.279"></a>
<span class="sourceLineNo">280</span>    /**<a name="line.280"></a>
<span class="sourceLineNo">281</span>     * Sets a flag that affects the auto-range when zero falls outside the data<a name="line.281"></a>
<span class="sourceLineNo">282</span>     * range but inside the margins defined for the axis.<a name="line.282"></a>
<span class="sourceLineNo">283</span>     *<a name="line.283"></a>
<span class="sourceLineNo">284</span>     * @param flag  the new flag.<a name="line.284"></a>
<span class="sourceLineNo">285</span>     *<a name="line.285"></a>
<span class="sourceLineNo">286</span>     * @see #getAutoRangeStickyZero()<a name="line.286"></a>
<span class="sourceLineNo">287</span>     */<a name="line.287"></a>
<span class="sourceLineNo">288</span>    public void setAutoRangeStickyZero(boolean flag) {<a name="line.288"></a>
<span class="sourceLineNo">289</span>        if (this.autoRangeStickyZero != flag) {<a name="line.289"></a>
<span class="sourceLineNo">290</span>            this.autoRangeStickyZero = flag;<a name="line.290"></a>
<span class="sourceLineNo">291</span>            if (isAutoRange()) {<a name="line.291"></a>
<span class="sourceLineNo">292</span>                autoAdjustRange();<a name="line.292"></a>
<span class="sourceLineNo">293</span>            }<a name="line.293"></a>
<span class="sourceLineNo">294</span>            notifyListeners(new AxisChangeEvent(this));<a name="line.294"></a>
<span class="sourceLineNo">295</span>        }<a name="line.295"></a>
<span class="sourceLineNo">296</span>    }<a name="line.296"></a>
<span class="sourceLineNo">297</span><a name="line.297"></a>
<span class="sourceLineNo">298</span>    /**<a name="line.298"></a>
<span class="sourceLineNo">299</span>     * Returns the tick unit for the axis.<a name="line.299"></a>
<span class="sourceLineNo">300</span>     * &lt;p&gt;<a name="line.300"></a>
<span class="sourceLineNo">301</span>     * Note: if the &lt;code&gt;autoTickUnitSelection&lt;/code&gt; flag is<a name="line.301"></a>
<span class="sourceLineNo">302</span>     * &lt;code&gt;true&lt;/code&gt; the tick unit may be changed while the axis is being<a name="line.302"></a>
<span class="sourceLineNo">303</span>     * drawn, so in that case the return value from this method may be<a name="line.303"></a>
<span class="sourceLineNo">304</span>     * irrelevant if the method is called before the axis has been drawn.<a name="line.304"></a>
<span class="sourceLineNo">305</span>     *<a name="line.305"></a>
<span class="sourceLineNo">306</span>     * @return The tick unit for the axis.<a name="line.306"></a>
<span class="sourceLineNo">307</span>     *<a name="line.307"></a>
<span class="sourceLineNo">308</span>     * @see #setTickUnit(NumberTickUnit)<a name="line.308"></a>
<span class="sourceLineNo">309</span>     * @see ValueAxis#isAutoTickUnitSelection()<a name="line.309"></a>
<span class="sourceLineNo">310</span>     */<a name="line.310"></a>
<span class="sourceLineNo">311</span>    public NumberTickUnit getTickUnit() {<a name="line.311"></a>
<span class="sourceLineNo">312</span>        return this.tickUnit;<a name="line.312"></a>
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<span class="sourceLineNo">314</span><a name="line.314"></a>
<span class="sourceLineNo">315</span>    /**<a name="line.315"></a>
<span class="sourceLineNo">316</span>     * Sets the tick unit for the axis and sends an {@link AxisChangeEvent} to<a name="line.316"></a>
<span class="sourceLineNo">317</span>     * all registered listeners.  A side effect of calling this method is that<a name="line.317"></a>
<span class="sourceLineNo">318</span>     * the "auto-select" feature for tick units is switched off (you can<a name="line.318"></a>
<span class="sourceLineNo">319</span>     * restore it using the {@link ValueAxis#setAutoTickUnitSelection(boolean)}<a name="line.319"></a>
<span class="sourceLineNo">320</span>     * method).<a name="line.320"></a>
<span class="sourceLineNo">321</span>     *<a name="line.321"></a>
<span class="sourceLineNo">322</span>     * @param unit  the new tick unit (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.322"></a>
<span class="sourceLineNo">323</span>     *<a name="line.323"></a>
<span class="sourceLineNo">324</span>     * @see #getTickUnit()<a name="line.324"></a>
<span class="sourceLineNo">325</span>     * @see #setTickUnit(NumberTickUnit, boolean, boolean)<a name="line.325"></a>
<span class="sourceLineNo">326</span>     */<a name="line.326"></a>
<span class="sourceLineNo">327</span>    public void setTickUnit(NumberTickUnit unit) {<a name="line.327"></a>
<span class="sourceLineNo">328</span>        // defer argument checking...<a name="line.328"></a>
<span class="sourceLineNo">329</span>        setTickUnit(unit, true, true);<a name="line.329"></a>
<span class="sourceLineNo">330</span>    }<a name="line.330"></a>
<span class="sourceLineNo">331</span><a name="line.331"></a>
<span class="sourceLineNo">332</span>    /**<a name="line.332"></a>
<span class="sourceLineNo">333</span>     * Sets the tick unit for the axis and, if requested, sends an<a name="line.333"></a>
<span class="sourceLineNo">334</span>     * {@link AxisChangeEvent} to all registered listeners.  In addition, an<a name="line.334"></a>
<span class="sourceLineNo">335</span>     * option is provided to turn off the "auto-select" feature for tick units<a name="line.335"></a>
<span class="sourceLineNo">336</span>     * (you can restore it using the<a name="line.336"></a>
<span class="sourceLineNo">337</span>     * {@link ValueAxis#setAutoTickUnitSelection(boolean)} method).<a name="line.337"></a>
<span class="sourceLineNo">338</span>     *<a name="line.338"></a>
<span class="sourceLineNo">339</span>     * @param unit  the new tick unit (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.339"></a>
<span class="sourceLineNo">340</span>     * @param notify  notify listeners?<a name="line.340"></a>
<span class="sourceLineNo">341</span>     * @param turnOffAutoSelect  turn off the auto-tick selection?<a name="line.341"></a>
<span class="sourceLineNo">342</span>     */<a name="line.342"></a>
<span class="sourceLineNo">343</span>    public void setTickUnit(NumberTickUnit unit, boolean notify,<a name="line.343"></a>
<span class="sourceLineNo">344</span>            boolean turnOffAutoSelect) {<a name="line.344"></a>
<span class="sourceLineNo">345</span><a name="line.345"></a>
<span class="sourceLineNo">346</span>        ParamChecks.nullNotPermitted(unit, "unit");<a name="line.346"></a>
<span class="sourceLineNo">347</span>        this.tickUnit = unit;<a name="line.347"></a>
<span class="sourceLineNo">348</span>        if (turnOffAutoSelect) {<a name="line.348"></a>
<span class="sourceLineNo">349</span>            setAutoTickUnitSelection(false, false);<a name="line.349"></a>
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<span class="sourceLineNo">351</span>        if (notify) {<a name="line.351"></a>
<span class="sourceLineNo">352</span>            notifyListeners(new AxisChangeEvent(this));<a name="line.352"></a>
<span class="sourceLineNo">353</span>        }<a name="line.353"></a>
<span class="sourceLineNo">354</span><a name="line.354"></a>
<span class="sourceLineNo">355</span>    }<a name="line.355"></a>
<span class="sourceLineNo">356</span><a name="line.356"></a>
<span class="sourceLineNo">357</span>    /**<a name="line.357"></a>
<span class="sourceLineNo">358</span>     * Returns the number format override.  If this is non-null, then it will<a name="line.358"></a>
<span class="sourceLineNo">359</span>     * be used to format the numbers on the axis.<a name="line.359"></a>
<span class="sourceLineNo">360</span>     *<a name="line.360"></a>
<span class="sourceLineNo">361</span>     * @return The number formatter (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.361"></a>
<span class="sourceLineNo">362</span>     *<a name="line.362"></a>
<span class="sourceLineNo">363</span>     * @see #setNumberFormatOverride(NumberFormat)<a name="line.363"></a>
<span class="sourceLineNo">364</span>     */<a name="line.364"></a>
<span class="sourceLineNo">365</span>    public NumberFormat getNumberFormatOverride() {<a name="line.365"></a>
<span class="sourceLineNo">366</span>        return this.numberFormatOverride;<a name="line.366"></a>
<span class="sourceLineNo">367</span>    }<a name="line.367"></a>
<span class="sourceLineNo">368</span><a name="line.368"></a>
<span class="sourceLineNo">369</span>    /**<a name="line.369"></a>
<span class="sourceLineNo">370</span>     * Sets the number format override.  If this is non-null, then it will be<a name="line.370"></a>
<span class="sourceLineNo">371</span>     * used to format the numbers on the axis.<a name="line.371"></a>
<span class="sourceLineNo">372</span>     *<a name="line.372"></a>
<span class="sourceLineNo">373</span>     * @param formatter  the number formatter (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.373"></a>
<span class="sourceLineNo">374</span>     *<a name="line.374"></a>
<span class="sourceLineNo">375</span>     * @see #getNumberFormatOverride()<a name="line.375"></a>
<span class="sourceLineNo">376</span>     */<a name="line.376"></a>
<span class="sourceLineNo">377</span>    public void setNumberFormatOverride(NumberFormat formatter) {<a name="line.377"></a>
<span class="sourceLineNo">378</span>        this.numberFormatOverride = formatter;<a name="line.378"></a>
<span class="sourceLineNo">379</span>        notifyListeners(new AxisChangeEvent(this));<a name="line.379"></a>
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<span class="sourceLineNo">381</span><a name="line.381"></a>
<span class="sourceLineNo">382</span>    /**<a name="line.382"></a>
<span class="sourceLineNo">383</span>     * Returns the (optional) marker band for the axis.<a name="line.383"></a>
<span class="sourceLineNo">384</span>     *<a name="line.384"></a>
<span class="sourceLineNo">385</span>     * @return The marker band (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.385"></a>
<span class="sourceLineNo">386</span>     *<a name="line.386"></a>
<span class="sourceLineNo">387</span>     * @see #setMarkerBand(MarkerAxisBand)<a name="line.387"></a>
<span class="sourceLineNo">388</span>     */<a name="line.388"></a>
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<span class="sourceLineNo">392</span><a name="line.392"></a>
<span class="sourceLineNo">393</span>    /**<a name="line.393"></a>
<span class="sourceLineNo">394</span>     * Sets the marker band for the axis.<a name="line.394"></a>
<span class="sourceLineNo">395</span>     * &lt;P&gt;<a name="line.395"></a>
<span class="sourceLineNo">396</span>     * The marker band is optional, leave it set to &lt;code&gt;null&lt;/code&gt; if you<a name="line.396"></a>
<span class="sourceLineNo">397</span>     * don't require it.<a name="line.397"></a>
<span class="sourceLineNo">398</span>     *<a name="line.398"></a>
<span class="sourceLineNo">399</span>     * @param band the new band (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.399"></a>
<span class="sourceLineNo">400</span>     *<a name="line.400"></a>
<span class="sourceLineNo">401</span>     * @see #getMarkerBand()<a name="line.401"></a>
<span class="sourceLineNo">402</span>     */<a name="line.402"></a>
<span class="sourceLineNo">403</span>    public void setMarkerBand(MarkerAxisBand band) {<a name="line.403"></a>
<span class="sourceLineNo">404</span>        this.markerBand = band;<a name="line.404"></a>
<span class="sourceLineNo">405</span>        notifyListeners(new AxisChangeEvent(this));<a name="line.405"></a>
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<span class="sourceLineNo">407</span><a name="line.407"></a>
<span class="sourceLineNo">408</span>    /**<a name="line.408"></a>
<span class="sourceLineNo">409</span>     * Configures the axis to work with the specified plot.  If the axis has<a name="line.409"></a>
<span class="sourceLineNo">410</span>     * auto-scaling, then sets the maximum and minimum values.<a name="line.410"></a>
<span class="sourceLineNo">411</span>     */<a name="line.411"></a>
<span class="sourceLineNo">412</span>    @Override<a name="line.412"></a>
<span class="sourceLineNo">413</span>    public void configure() {<a name="line.413"></a>
<span class="sourceLineNo">414</span>        if (isAutoRange()) {<a name="line.414"></a>
<span class="sourceLineNo">415</span>            autoAdjustRange();<a name="line.415"></a>
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<span class="sourceLineNo">417</span>    }<a name="line.417"></a>
<span class="sourceLineNo">418</span><a name="line.418"></a>
<span class="sourceLineNo">419</span>    /**<a name="line.419"></a>
<span class="sourceLineNo">420</span>     * Rescales the axis to ensure that all data is visible.<a name="line.420"></a>
<span class="sourceLineNo">421</span>     */<a name="line.421"></a>
<span class="sourceLineNo">422</span>    @Override<a name="line.422"></a>
<span class="sourceLineNo">423</span>    protected void autoAdjustRange() {<a name="line.423"></a>
<span class="sourceLineNo">424</span><a name="line.424"></a>
<span class="sourceLineNo">425</span>        Plot plot = getPlot();<a name="line.425"></a>
<span class="sourceLineNo">426</span>        if (plot == null) {<a name="line.426"></a>
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<span class="sourceLineNo">429</span><a name="line.429"></a>
<span class="sourceLineNo">430</span>        if (plot instanceof ValueAxisPlot) {<a name="line.430"></a>
<span class="sourceLineNo">431</span>            ValueAxisPlot vap = (ValueAxisPlot) plot;<a name="line.431"></a>
<span class="sourceLineNo">432</span><a name="line.432"></a>
<span class="sourceLineNo">433</span>            Range r = vap.getDataRange(this);<a name="line.433"></a>
<span class="sourceLineNo">434</span>            if (r == null) {<a name="line.434"></a>
<span class="sourceLineNo">435</span>                r = getDefaultAutoRange();<a name="line.435"></a>
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<span class="sourceLineNo">437</span><a name="line.437"></a>
<span class="sourceLineNo">438</span>            double upper = r.getUpperBound();<a name="line.438"></a>
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<span class="sourceLineNo">502</span>                    lower = lower - getLowerMargin() * range;<a name="line.502"></a>
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<span class="sourceLineNo">688</span>     *<a name="line.688"></a>
<span class="sourceLineNo">689</span>     * @see #setStandardTickUnits(TickUnitSource)<a name="line.689"></a>
<span class="sourceLineNo">690</span>     * @see #createIntegerTickUnits()<a name="line.690"></a>
<span class="sourceLineNo">691</span>     */<a name="line.691"></a>
<span class="sourceLineNo">692</span>    public static TickUnitSource createStandardTickUnits() {<a name="line.692"></a>
<span class="sourceLineNo">693</span>        return new NumberTickUnitSource();<a name="line.693"></a>
<span class="sourceLineNo">694</span>    }<a name="line.694"></a>
<span class="sourceLineNo">695</span><a name="line.695"></a>
<span class="sourceLineNo">696</span>    /**<a name="line.696"></a>
<span class="sourceLineNo">697</span>     * Returns a collection of tick units for integer values.<a name="line.697"></a>
<span class="sourceLineNo">698</span>     *<a name="line.698"></a>
<span class="sourceLineNo">699</span>     * @return A collection of tick units for integer values.<a name="line.699"></a>
<span class="sourceLineNo">700</span>     *<a name="line.700"></a>
<span class="sourceLineNo">701</span>     * @see #setStandardTickUnits(TickUnitSource)<a name="line.701"></a>
<span class="sourceLineNo">702</span>     * @see #createStandardTickUnits()<a name="line.702"></a>
<span class="sourceLineNo">703</span>     */<a name="line.703"></a>
<span class="sourceLineNo">704</span>    public static TickUnitSource createIntegerTickUnits() {<a name="line.704"></a>
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<span class="sourceLineNo">706</span>    }<a name="line.706"></a>
<span class="sourceLineNo">707</span><a name="line.707"></a>
<span class="sourceLineNo">708</span>    /**<a name="line.708"></a>
<span class="sourceLineNo">709</span>     * Creates a collection of standard tick units.  The supplied locale is<a name="line.709"></a>
<span class="sourceLineNo">710</span>     * used to create the number formatter (a localised instance of<a name="line.710"></a>
<span class="sourceLineNo">711</span>     * &lt;code&gt;NumberFormat&lt;/code&gt;).<a name="line.711"></a>
<span class="sourceLineNo">712</span>     * &lt;P&gt;<a name="line.712"></a>
<span class="sourceLineNo">713</span>     * If you don't like these defaults, create your own instance of<a name="line.713"></a>
<span class="sourceLineNo">714</span>     * {@link TickUnits} and then pass it to the<a name="line.714"></a>
<span class="sourceLineNo">715</span>     * &lt;code&gt;setStandardTickUnits()&lt;/code&gt; method.<a name="line.715"></a>
<span class="sourceLineNo">716</span>     *<a name="line.716"></a>
<span class="sourceLineNo">717</span>     * @param locale  the locale.<a name="line.717"></a>
<span class="sourceLineNo">718</span>     *<a name="line.718"></a>
<span class="sourceLineNo">719</span>     * @return A tick unit collection.<a name="line.719"></a>
<span class="sourceLineNo">720</span>     *<a name="line.720"></a>
<span class="sourceLineNo">721</span>     * @see #setStandardTickUnits(TickUnitSource)<a name="line.721"></a>
<span class="sourceLineNo">722</span>     */<a name="line.722"></a>
<span class="sourceLineNo">723</span>    public static TickUnitSource createStandardTickUnits(Locale locale) {<a name="line.723"></a>
<span class="sourceLineNo">724</span>        NumberFormat numberFormat = NumberFormat.getNumberInstance(locale);<a name="line.724"></a>
<span class="sourceLineNo">725</span>        return new NumberTickUnitSource(false, numberFormat);<a name="line.725"></a>
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<span class="sourceLineNo">727</span><a name="line.727"></a>
<span class="sourceLineNo">728</span>    /**<a name="line.728"></a>
<span class="sourceLineNo">729</span>     * Returns a collection of tick units for integer values.<a name="line.729"></a>
<span class="sourceLineNo">730</span>     * Uses a given Locale to create the DecimalFormats.<a name="line.730"></a>
<span class="sourceLineNo">731</span>     *<a name="line.731"></a>
<span class="sourceLineNo">732</span>     * @param locale the locale to use to represent Numbers.<a name="line.732"></a>
<span class="sourceLineNo">733</span>     *<a name="line.733"></a>
<span class="sourceLineNo">734</span>     * @return A collection of tick units for integer values.<a name="line.734"></a>
<span class="sourceLineNo">735</span>     *<a name="line.735"></a>
<span class="sourceLineNo">736</span>     * @see #setStandardTickUnits(TickUnitSource)<a name="line.736"></a>
<span class="sourceLineNo">737</span>     */<a name="line.737"></a>
<span class="sourceLineNo">738</span>    public static TickUnitSource createIntegerTickUnits(Locale locale) {<a name="line.738"></a>
<span class="sourceLineNo">739</span>        NumberFormat numberFormat = NumberFormat.getNumberInstance(locale);<a name="line.739"></a>
<span class="sourceLineNo">740</span>        return new NumberTickUnitSource(true, numberFormat);<a name="line.740"></a>
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<span class="sourceLineNo">742</span><a name="line.742"></a>
<span class="sourceLineNo">743</span>    /**<a name="line.743"></a>
<span class="sourceLineNo">744</span>     * Estimates the maximum tick label height.<a name="line.744"></a>
<span class="sourceLineNo">745</span>     *<a name="line.745"></a>
<span class="sourceLineNo">746</span>     * @param g2  the graphics device.<a name="line.746"></a>
<span class="sourceLineNo">747</span>     *<a name="line.747"></a>
<span class="sourceLineNo">748</span>     * @return The maximum height.<a name="line.748"></a>
<span class="sourceLineNo">749</span>     */<a name="line.749"></a>
<span class="sourceLineNo">750</span>    protected double estimateMaximumTickLabelHeight(Graphics2D g2) {<a name="line.750"></a>
<span class="sourceLineNo">751</span>        RectangleInsets tickLabelInsets = getTickLabelInsets();<a name="line.751"></a>
<span class="sourceLineNo">752</span>        double result = tickLabelInsets.getTop() + tickLabelInsets.getBottom();<a name="line.752"></a>
<span class="sourceLineNo">753</span><a name="line.753"></a>
<span class="sourceLineNo">754</span>        Font tickLabelFont = getTickLabelFont();<a name="line.754"></a>
<span class="sourceLineNo">755</span>        FontRenderContext frc = g2.getFontRenderContext();<a name="line.755"></a>
<span class="sourceLineNo">756</span>        result += tickLabelFont.getLineMetrics("123", frc).getHeight();<a name="line.756"></a>
<span class="sourceLineNo">757</span>        return result;<a name="line.757"></a>
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<span class="sourceLineNo">759</span><a name="line.759"></a>
<span class="sourceLineNo">760</span>    /**<a name="line.760"></a>
<span class="sourceLineNo">761</span>     * Estimates the maximum width of the tick labels, assuming the specified<a name="line.761"></a>
<span class="sourceLineNo">762</span>     * tick unit is used.<a name="line.762"></a>
<span class="sourceLineNo">763</span>     * &lt;P&gt;<a name="line.763"></a>
<span class="sourceLineNo">764</span>     * Rather than computing the string bounds of every tick on the axis, we<a name="line.764"></a>
<span class="sourceLineNo">765</span>     * just look at two values: the lower bound and the upper bound for the<a name="line.765"></a>
<span class="sourceLineNo">766</span>     * axis.  These two values will usually be representative.<a name="line.766"></a>
<span class="sourceLineNo">767</span>     *<a name="line.767"></a>
<span class="sourceLineNo">768</span>     * @param g2  the graphics device.<a name="line.768"></a>
<span class="sourceLineNo">769</span>     * @param unit  the tick unit to use for calculation.<a name="line.769"></a>
<span class="sourceLineNo">770</span>     *<a name="line.770"></a>
<span class="sourceLineNo">771</span>     * @return The estimated maximum width of the tick labels.<a name="line.771"></a>
<span class="sourceLineNo">772</span>     */<a name="line.772"></a>
<span class="sourceLineNo">773</span>    protected double estimateMaximumTickLabelWidth(Graphics2D g2,<a name="line.773"></a>
<span class="sourceLineNo">774</span>                                                   TickUnit unit) {<a name="line.774"></a>
<span class="sourceLineNo">775</span><a name="line.775"></a>
<span class="sourceLineNo">776</span>        RectangleInsets tickLabelInsets = getTickLabelInsets();<a name="line.776"></a>
<span class="sourceLineNo">777</span>        double result = tickLabelInsets.getLeft() + tickLabelInsets.getRight();<a name="line.777"></a>
<span class="sourceLineNo">778</span><a name="line.778"></a>
<span class="sourceLineNo">779</span>        if (isVerticalTickLabels()) {<a name="line.779"></a>
<span class="sourceLineNo">780</span>            // all tick labels have the same width (equal to the height of the<a name="line.780"></a>
<span class="sourceLineNo">781</span>            // font)...<a name="line.781"></a>
<span class="sourceLineNo">782</span>            FontRenderContext frc = g2.getFontRenderContext();<a name="line.782"></a>
<span class="sourceLineNo">783</span>            LineMetrics lm = getTickLabelFont().getLineMetrics("0", frc);<a name="line.783"></a>
<span class="sourceLineNo">784</span>            result += lm.getHeight();<a name="line.784"></a>
<span class="sourceLineNo">785</span>        }<a name="line.785"></a>
<span class="sourceLineNo">786</span>        else {<a name="line.786"></a>
<span class="sourceLineNo">787</span>            // look at lower and upper bounds...<a name="line.787"></a>
<span class="sourceLineNo">788</span>            FontMetrics fm = g2.getFontMetrics(getTickLabelFont());<a name="line.788"></a>
<span class="sourceLineNo">789</span>            Range range = getRange();<a name="line.789"></a>
<span class="sourceLineNo">790</span>            double lower = range.getLowerBound();<a name="line.790"></a>
<span class="sourceLineNo">791</span>            double upper = range.getUpperBound();<a name="line.791"></a>
<span class="sourceLineNo">792</span>            String lowerStr, upperStr;<a name="line.792"></a>
<span class="sourceLineNo">793</span>            NumberFormat formatter = getNumberFormatOverride();<a name="line.793"></a>
<span class="sourceLineNo">794</span>            if (formatter != null) {<a name="line.794"></a>
<span class="sourceLineNo">795</span>                lowerStr = formatter.format(lower);<a name="line.795"></a>
<span class="sourceLineNo">796</span>                upperStr = formatter.format(upper);<a name="line.796"></a>
<span class="sourceLineNo">797</span>            }<a name="line.797"></a>
<span class="sourceLineNo">798</span>            else {<a name="line.798"></a>
<span class="sourceLineNo">799</span>                lowerStr = unit.valueToString(lower);<a name="line.799"></a>
<span class="sourceLineNo">800</span>                upperStr = unit.valueToString(upper);<a name="line.800"></a>
<span class="sourceLineNo">801</span>            }<a name="line.801"></a>
<span class="sourceLineNo">802</span>            double w1 = fm.stringWidth(lowerStr);<a name="line.802"></a>
<span class="sourceLineNo">803</span>            double w2 = fm.stringWidth(upperStr);<a name="line.803"></a>
<span class="sourceLineNo">804</span>            result += Math.max(w1, w2);<a name="line.804"></a>
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<span class="sourceLineNo">806</span><a name="line.806"></a>
<span class="sourceLineNo">807</span>        return result;<a name="line.807"></a>
<span class="sourceLineNo">808</span><a name="line.808"></a>
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<span class="sourceLineNo">810</span><a name="line.810"></a>
<span class="sourceLineNo">811</span>    /**<a name="line.811"></a>
<span class="sourceLineNo">812</span>     * Selects an appropriate tick value for the axis.  The strategy is to<a name="line.812"></a>
<span class="sourceLineNo">813</span>     * display as many ticks as possible (selected from an array of 'standard'<a name="line.813"></a>
<span class="sourceLineNo">814</span>     * tick units) without the labels overlapping.<a name="line.814"></a>
<span class="sourceLineNo">815</span>     *<a name="line.815"></a>
<span class="sourceLineNo">816</span>     * @param g2  the graphics device.<a name="line.816"></a>
<span class="sourceLineNo">817</span>     * @param dataArea  the area defined by the axes.<a name="line.817"></a>
<span class="sourceLineNo">818</span>     * @param edge  the axis location.<a name="line.818"></a>
<span class="sourceLineNo">819</span>     */<a name="line.819"></a>
<span class="sourceLineNo">820</span>    protected void selectAutoTickUnit(Graphics2D g2, Rectangle2D dataArea,<a name="line.820"></a>
<span class="sourceLineNo">821</span>            RectangleEdge edge) {<a name="line.821"></a>
<span class="sourceLineNo">822</span><a name="line.822"></a>
<span class="sourceLineNo">823</span>        if (RectangleEdge.isTopOrBottom(edge)) {<a name="line.823"></a>
<span class="sourceLineNo">824</span>            selectHorizontalAutoTickUnit(g2, dataArea, edge);<a name="line.824"></a>
<span class="sourceLineNo">825</span>        }<a name="line.825"></a>
<span class="sourceLineNo">826</span>        else if (RectangleEdge.isLeftOrRight(edge)) {<a name="line.826"></a>
<span class="sourceLineNo">827</span>            selectVerticalAutoTickUnit(g2, dataArea, edge);<a name="line.827"></a>
<span class="sourceLineNo">828</span>        }<a name="line.828"></a>
<span class="sourceLineNo">829</span><a name="line.829"></a>
<span class="sourceLineNo">830</span>    }<a name="line.830"></a>
<span class="sourceLineNo">831</span><a name="line.831"></a>
<span class="sourceLineNo">832</span>    /**<a name="line.832"></a>
<span class="sourceLineNo">833</span>     * Selects an appropriate tick value for the axis.  The strategy is to<a name="line.833"></a>
<span class="sourceLineNo">834</span>     * display as many ticks as possible (selected from an array of 'standard'<a name="line.834"></a>
<span class="sourceLineNo">835</span>     * tick units) without the labels overlapping.<a name="line.835"></a>
<span class="sourceLineNo">836</span>     *<a name="line.836"></a>
<span class="sourceLineNo">837</span>     * @param g2  the graphics device.<a name="line.837"></a>
<span class="sourceLineNo">838</span>     * @param dataArea  the area defined by the axes.<a name="line.838"></a>
<span class="sourceLineNo">839</span>     * @param edge  the axis location.<a name="line.839"></a>
<span class="sourceLineNo">840</span>     */<a name="line.840"></a>
<span class="sourceLineNo">841</span>   protected void selectHorizontalAutoTickUnit(Graphics2D g2,<a name="line.841"></a>
<span class="sourceLineNo">842</span>            Rectangle2D dataArea, RectangleEdge edge) {<a name="line.842"></a>
<span class="sourceLineNo">843</span><a name="line.843"></a>
<span class="sourceLineNo">844</span>        double tickLabelWidth = estimateMaximumTickLabelWidth(g2,<a name="line.844"></a>
<span class="sourceLineNo">845</span>                getTickUnit());<a name="line.845"></a>
<span class="sourceLineNo">846</span><a name="line.846"></a>
<span class="sourceLineNo">847</span>        // start with the current tick unit...<a name="line.847"></a>
<span class="sourceLineNo">848</span>        TickUnitSource tickUnits = getStandardTickUnits();<a name="line.848"></a>
<span class="sourceLineNo">849</span>        TickUnit unit1 = tickUnits.getCeilingTickUnit(getTickUnit());<a name="line.849"></a>
<span class="sourceLineNo">850</span>        double unit1Width = lengthToJava2D(unit1.getSize(), dataArea, edge);<a name="line.850"></a>
<span class="sourceLineNo">851</span><a name="line.851"></a>
<span class="sourceLineNo">852</span>        // then extrapolate...<a name="line.852"></a>
<span class="sourceLineNo">853</span>        double guess = (tickLabelWidth / unit1Width) * unit1.getSize();<a name="line.853"></a>
<span class="sourceLineNo">854</span><a name="line.854"></a>
<span class="sourceLineNo">855</span>        NumberTickUnit unit2 = (NumberTickUnit) tickUnits.getCeilingTickUnit(<a name="line.855"></a>
<span class="sourceLineNo">856</span>                guess);<a name="line.856"></a>
<span class="sourceLineNo">857</span>        double unit2Width = lengthToJava2D(unit2.getSize(), dataArea, edge);<a name="line.857"></a>
<span class="sourceLineNo">858</span><a name="line.858"></a>
<span class="sourceLineNo">859</span>        tickLabelWidth = estimateMaximumTickLabelWidth(g2, unit2);<a name="line.859"></a>
<span class="sourceLineNo">860</span>        if (tickLabelWidth &gt; unit2Width) {<a name="line.860"></a>
<span class="sourceLineNo">861</span>            unit2 = (NumberTickUnit) tickUnits.getLargerTickUnit(unit2);<a name="line.861"></a>
<span class="sourceLineNo">862</span>        }<a name="line.862"></a>
<span class="sourceLineNo">863</span><a name="line.863"></a>
<span class="sourceLineNo">864</span>        setTickUnit(unit2, false, false);<a name="line.864"></a>
<span class="sourceLineNo">865</span><a name="line.865"></a>
<span class="sourceLineNo">866</span>    }<a name="line.866"></a>
<span class="sourceLineNo">867</span><a name="line.867"></a>
<span class="sourceLineNo">868</span>    /**<a name="line.868"></a>
<span class="sourceLineNo">869</span>     * Selects an appropriate tick value for the axis.  The strategy is to<a name="line.869"></a>
<span class="sourceLineNo">870</span>     * display as many ticks as possible (selected from an array of 'standard'<a name="line.870"></a>
<span class="sourceLineNo">871</span>     * tick units) without the labels overlapping.<a name="line.871"></a>
<span class="sourceLineNo">872</span>     *<a name="line.872"></a>
<span class="sourceLineNo">873</span>     * @param g2  the graphics device.<a name="line.873"></a>
<span class="sourceLineNo">874</span>     * @param dataArea  the area in which the plot should be drawn.<a name="line.874"></a>
<span class="sourceLineNo">875</span>     * @param edge  the axis location.<a name="line.875"></a>
<span class="sourceLineNo">876</span>     */<a name="line.876"></a>
<span class="sourceLineNo">877</span>    protected void selectVerticalAutoTickUnit(Graphics2D g2, <a name="line.877"></a>
<span class="sourceLineNo">878</span>            Rectangle2D dataArea, RectangleEdge edge) {<a name="line.878"></a>
<span class="sourceLineNo">879</span><a name="line.879"></a>
<span class="sourceLineNo">880</span>        double tickLabelHeight = estimateMaximumTickLabelHeight(g2);<a name="line.880"></a>
<span class="sourceLineNo">881</span><a name="line.881"></a>
<span class="sourceLineNo">882</span>        // start with the current tick unit...<a name="line.882"></a>
<span class="sourceLineNo">883</span>        TickUnitSource tickUnits = getStandardTickUnits();<a name="line.883"></a>
<span class="sourceLineNo">884</span>        TickUnit unit1 = tickUnits.getCeilingTickUnit(getTickUnit());<a name="line.884"></a>
<span class="sourceLineNo">885</span>        double unitHeight = lengthToJava2D(unit1.getSize(), dataArea, edge);<a name="line.885"></a>
<span class="sourceLineNo">886</span>        double guess = unit1.getSize();<a name="line.886"></a>
<span class="sourceLineNo">887</span>        if (unitHeight &gt; 0) {<a name="line.887"></a>
<span class="sourceLineNo">888</span>            // then extrapolate...<a name="line.888"></a>
<span class="sourceLineNo">889</span>            guess = (tickLabelHeight / unitHeight) * unit1.getSize();<a name="line.889"></a>
<span class="sourceLineNo">890</span>        }<a name="line.890"></a>
<span class="sourceLineNo">891</span>        NumberTickUnit unit2 = (NumberTickUnit) tickUnits.getCeilingTickUnit(<a name="line.891"></a>
<span class="sourceLineNo">892</span>                guess);<a name="line.892"></a>
<span class="sourceLineNo">893</span>        double unit2Height = lengthToJava2D(unit2.getSize(), dataArea, edge);<a name="line.893"></a>
<span class="sourceLineNo">894</span><a name="line.894"></a>
<span class="sourceLineNo">895</span>        tickLabelHeight = estimateMaximumTickLabelHeight(g2);<a name="line.895"></a>
<span class="sourceLineNo">896</span>        if (tickLabelHeight &gt; unit2Height) {<a name="line.896"></a>
<span class="sourceLineNo">897</span>            unit2 = (NumberTickUnit) tickUnits.getLargerTickUnit(unit2);<a name="line.897"></a>
<span class="sourceLineNo">898</span>        }<a name="line.898"></a>
<span class="sourceLineNo">899</span><a name="line.899"></a>
<span class="sourceLineNo">900</span>        setTickUnit(unit2, false, false);<a name="line.900"></a>
<span class="sourceLineNo">901</span><a name="line.901"></a>
<span class="sourceLineNo">902</span>    }<a name="line.902"></a>
<span class="sourceLineNo">903</span><a name="line.903"></a>
<span class="sourceLineNo">904</span>    /**<a name="line.904"></a>
<span class="sourceLineNo">905</span>     * Calculates the positions of the tick labels for the axis, storing the<a name="line.905"></a>
<span class="sourceLineNo">906</span>     * results in the tick label list (ready for drawing).<a name="line.906"></a>
<span class="sourceLineNo">907</span>     *<a name="line.907"></a>
<span class="sourceLineNo">908</span>     * @param g2  the graphics device.<a name="line.908"></a>
<span class="sourceLineNo">909</span>     * @param state  the axis state.<a name="line.909"></a>
<span class="sourceLineNo">910</span>     * @param dataArea  the area in which the plot should be drawn.<a name="line.910"></a>
<span class="sourceLineNo">911</span>     * @param edge  the location of the axis.<a name="line.911"></a>
<span class="sourceLineNo">912</span>     *<a name="line.912"></a>
<span class="sourceLineNo">913</span>     * @return A list of ticks.<a name="line.913"></a>
<span class="sourceLineNo">914</span>     */<a name="line.914"></a>
<span class="sourceLineNo">915</span>    @Override<a name="line.915"></a>
<span class="sourceLineNo">916</span>    public List refreshTicks(Graphics2D g2, AxisState state, <a name="line.916"></a>
<span class="sourceLineNo">917</span>            Rectangle2D dataArea, RectangleEdge edge) {<a name="line.917"></a>
<span class="sourceLineNo">918</span><a name="line.918"></a>
<span class="sourceLineNo">919</span>        List result = new java.util.ArrayList();<a name="line.919"></a>
<span class="sourceLineNo">920</span>        if (RectangleEdge.isTopOrBottom(edge)) {<a name="line.920"></a>
<span class="sourceLineNo">921</span>            result = refreshTicksHorizontal(g2, dataArea, edge);<a name="line.921"></a>
<span class="sourceLineNo">922</span>        }<a name="line.922"></a>
<span class="sourceLineNo">923</span>        else if (RectangleEdge.isLeftOrRight(edge)) {<a name="line.923"></a>
<span class="sourceLineNo">924</span>            result = refreshTicksVertical(g2, dataArea, edge);<a name="line.924"></a>
<span class="sourceLineNo">925</span>        }<a name="line.925"></a>
<span class="sourceLineNo">926</span>        return result;<a name="line.926"></a>
<span class="sourceLineNo">927</span><a name="line.927"></a>
<span class="sourceLineNo">928</span>    }<a name="line.928"></a>
<span class="sourceLineNo">929</span><a name="line.929"></a>
<span class="sourceLineNo">930</span>    /**<a name="line.930"></a>
<span class="sourceLineNo">931</span>     * Calculates the positions of the tick labels for the axis, storing the<a name="line.931"></a>
<span class="sourceLineNo">932</span>     * results in the tick label list (ready for drawing).<a name="line.932"></a>
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</pre>
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