symbolicxyitemlabelgenerator.html

jfreechart最新源代码

<FONT color="green">117</FONT>         * @param category  the category index (zero-based).<a name="line.117"></a>
<FONT color="green">118</FONT>         *<a name="line.118"></a>
<FONT color="green">119</FONT>         * @return The label (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.119"></a>
<FONT color="green">120</FONT>         */<a name="line.120"></a>
<FONT color="green">121</FONT>        public String generateLabel(XYDataset dataset, int series, int category) {<a name="line.121"></a>
<FONT color="green">122</FONT>            return null;  //TODO: implement this method properly<a name="line.122"></a>
<FONT color="green">123</FONT>        }<a name="line.123"></a>
<FONT color="green">124</FONT>    <a name="line.124"></a>
<FONT color="green">125</FONT>        /**<a name="line.125"></a>
<FONT color="green">126</FONT>        * Round a double value.<a name="line.126"></a>
<FONT color="green">127</FONT>        *<a name="line.127"></a>
<FONT color="green">128</FONT>        * @param value  the value.<a name="line.128"></a>
<FONT color="green">129</FONT>        * @param nb  the exponent.<a name="line.129"></a>
<FONT color="green">130</FONT>        *<a name="line.130"></a>
<FONT color="green">131</FONT>        * @return The rounded value.<a name="line.131"></a>
<FONT color="green">132</FONT>        */<a name="line.132"></a>
<FONT color="green">133</FONT>        private static double round(double value, int nb) {<a name="line.133"></a>
<FONT color="green">134</FONT>            if (nb &lt;= 0) {<a name="line.134"></a>
<FONT color="green">135</FONT>                return Math.floor(value + 0.5d);<a name="line.135"></a>
<FONT color="green">136</FONT>            }<a name="line.136"></a>
<FONT color="green">137</FONT>            double p = Math.pow(10, nb);<a name="line.137"></a>
<FONT color="green">138</FONT>            double tempval = Math.floor(value * p + 0.5d);<a name="line.138"></a>
<FONT color="green">139</FONT>            return tempval / p;<a name="line.139"></a>
<FONT color="green">140</FONT>        }<a name="line.140"></a>
<FONT color="green">141</FONT>        <a name="line.141"></a>
<FONT color="green">142</FONT>        /**<a name="line.142"></a>
<FONT color="green">143</FONT>         * Returns an independent copy of the generator.<a name="line.143"></a>
<FONT color="green">144</FONT>         * <a name="line.144"></a>
<FONT color="green">145</FONT>         * @return A clone.<a name="line.145"></a>
<FONT color="green">146</FONT>         * <a name="line.146"></a>
<FONT color="green">147</FONT>         * @throws CloneNotSupportedException if cloning is not supported.<a name="line.147"></a>
<FONT color="green">148</FONT>         */<a name="line.148"></a>
<FONT color="green">149</FONT>        public Object clone() throws CloneNotSupportedException { <a name="line.149"></a>
<FONT color="green">150</FONT>            return super.clone();<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 name="line.153"></a>
<FONT color="green">154</FONT>         * Tests if this object is equal to another.<a name="line.154"></a>
<FONT color="green">155</FONT>         *<a name="line.155"></a>
<FONT color="green">156</FONT>         * @param obj  the other object.<a name="line.156"></a>
<FONT color="green">157</FONT>         *<a name="line.157"></a>
<FONT color="green">158</FONT>         * @return A boolean.<a name="line.158"></a>
<FONT color="green">159</FONT>         */<a name="line.159"></a>
<FONT color="green">160</FONT>        public boolean equals(Object obj) {<a name="line.160"></a>
<FONT color="green">161</FONT>            if (obj == this) {<a name="line.161"></a>
<FONT color="green">162</FONT>                return true;<a name="line.162"></a>
<FONT color="green">163</FONT>            }<a name="line.163"></a>
<FONT color="green">164</FONT>            if (obj instanceof SymbolicXYItemLabelGenerator) {<a name="line.164"></a>
<FONT color="green">165</FONT>                return true;<a name="line.165"></a>
<FONT color="green">166</FONT>            }<a name="line.166"></a>
<FONT color="green">167</FONT>            return false;<a name="line.167"></a>
<FONT color="green">168</FONT>        }<a name="line.168"></a>
<FONT color="green">169</FONT>        <a name="line.169"></a>
<FONT color="green">170</FONT>    }<a name="line.170"></a>




























































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