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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 2000-2013, 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> * Title.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 David Berry 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 Berry;<a name="line.32"></a>
- <span class="sourceLineNo">033</span> * Contributor(s): David Gilbert (for Object Refinery Limited);<a name="line.33"></a>
- <span class="sourceLineNo">034</span> * Nicolas Brodu;<a name="line.34"></a>
- <span class="sourceLineNo">035</span> *<a name="line.35"></a>
- <span class="sourceLineNo">036</span> * Changes (from 21-Aug-2001)<a name="line.36"></a>
- <span class="sourceLineNo">037</span> * --------------------------<a name="line.37"></a>
- <span class="sourceLineNo">038</span> * 21-Aug-2001 : Added standard header (DG);<a name="line.38"></a>
- <span class="sourceLineNo">039</span> * 18-Sep-2001 : Updated header (DG);<a name="line.39"></a>
- <span class="sourceLineNo">040</span> * 14-Nov-2001 : Package com.jrefinery.common.ui.* changed to<a name="line.40"></a>
- <span class="sourceLineNo">041</span> * com.jrefinery.ui.* (DG);<a name="line.41"></a>
- <span class="sourceLineNo">042</span> * 07-Feb-2002 : Changed blank space around title from Insets --> Spacer, to<a name="line.42"></a>
- <span class="sourceLineNo">043</span> * allow for relative or absolute spacing (DG);<a name="line.43"></a>
- <span class="sourceLineNo">044</span> * 25-Jun-2002 : Removed unnecessary imports (DG);<a name="line.44"></a>
- <span class="sourceLineNo">045</span> * 01-Oct-2002 : Fixed errors reported by Checkstyle (DG);<a name="line.45"></a>
- <span class="sourceLineNo">046</span> * 14-Oct-2002 : Changed the event listener storage structure (DG);<a name="line.46"></a>
- <span class="sourceLineNo">047</span> * 11-Sep-2003 : Took care of listeners while cloning (NB);<a name="line.47"></a>
- <span class="sourceLineNo">048</span> * 22-Sep-2003 : Spacer cannot be null. Added nullpointer checks for this (TM);<a name="line.48"></a>
- <span class="sourceLineNo">049</span> * 08-Jan-2003 : Renamed AbstractTitle --> Title and moved to separate<a name="line.49"></a>
- <span class="sourceLineNo">050</span> * package (DG);<a name="line.50"></a>
- <span class="sourceLineNo">051</span> * 26-Oct-2004 : Refactored to implement Block interface, and removed redundant<a name="line.51"></a>
- <span class="sourceLineNo">052</span> * constants (DG);<a name="line.52"></a>
- <span class="sourceLineNo">053</span> * 11-Jan-2005 : Removed deprecated code in preparation for the 1.0.0<a name="line.53"></a>
- <span class="sourceLineNo">054</span> * release (DG);<a name="line.54"></a>
- <span class="sourceLineNo">055</span> * 02-Feb-2005 : Changed Spacer --> RectangleInsets for padding (DG);<a name="line.55"></a>
- <span class="sourceLineNo">056</span> * 03-May-2005 : Fixed problem in equals() method (DG);<a name="line.56"></a>
- <span class="sourceLineNo">057</span> * 19-Sep-2008 : Added visibility flag (DG);<a name="line.57"></a>
- <span class="sourceLineNo">058</span> * 02-Jul-2013 : Use ParamChecks (DG);<a name="line.58"></a>
- <span class="sourceLineNo">059</span> *<a name="line.59"></a>
- <span class="sourceLineNo">060</span> */<a name="line.60"></a>
- <span class="sourceLineNo">061</span><a name="line.61"></a>
- <span class="sourceLineNo">062</span>package org.jfree.chart.title;<a name="line.62"></a>
- <span class="sourceLineNo">063</span><a name="line.63"></a>
- <span class="sourceLineNo">064</span>import java.awt.Graphics2D;<a name="line.64"></a>
- <span class="sourceLineNo">065</span>import java.awt.geom.Rectangle2D;<a name="line.65"></a>
- <span class="sourceLineNo">066</span>import java.io.IOException;<a name="line.66"></a>
- <span class="sourceLineNo">067</span>import java.io.ObjectInputStream;<a name="line.67"></a>
- <span class="sourceLineNo">068</span>import java.io.ObjectOutputStream;<a name="line.68"></a>
- <span class="sourceLineNo">069</span>import java.io.Serializable;<a name="line.69"></a>
- <span class="sourceLineNo">070</span><a name="line.70"></a>
- <span class="sourceLineNo">071</span>import javax.swing.event.EventListenerList;<a name="line.71"></a>
- <span class="sourceLineNo">072</span><a name="line.72"></a>
- <span class="sourceLineNo">073</span>import org.jfree.chart.block.AbstractBlock;<a name="line.73"></a>
- <span class="sourceLineNo">074</span>import org.jfree.chart.block.Block;<a name="line.74"></a>
- <span class="sourceLineNo">075</span>import org.jfree.chart.event.TitleChangeEvent;<a name="line.75"></a>
- <span class="sourceLineNo">076</span>import org.jfree.chart.event.TitleChangeListener;<a name="line.76"></a>
- <span class="sourceLineNo">077</span>import org.jfree.chart.util.ParamChecks;<a name="line.77"></a>
- <span class="sourceLineNo">078</span>import org.jfree.ui.HorizontalAlignment;<a name="line.78"></a>
- <span class="sourceLineNo">079</span>import org.jfree.ui.RectangleEdge;<a name="line.79"></a>
- <span class="sourceLineNo">080</span>import org.jfree.ui.RectangleInsets;<a name="line.80"></a>
- <span class="sourceLineNo">081</span>import org.jfree.ui.VerticalAlignment;<a name="line.81"></a>
- <span class="sourceLineNo">082</span>import org.jfree.util.ObjectUtilities;<a name="line.82"></a>
- <span class="sourceLineNo">083</span><a name="line.83"></a>
- <span class="sourceLineNo">084</span>/**<a name="line.84"></a>
- <span class="sourceLineNo">085</span> * The base class for all chart titles. A chart can have multiple titles,<a name="line.85"></a>
- <span class="sourceLineNo">086</span> * appearing at the top, bottom, left or right of the chart.<a name="line.86"></a>
- <span class="sourceLineNo">087</span> * <P><a name="line.87"></a>
- <span class="sourceLineNo">088</span> * Concrete implementations of this class will render text and images, and<a name="line.88"></a>
- <span class="sourceLineNo">089</span> * hence do the actual work of drawing titles.<a name="line.89"></a>
- <span class="sourceLineNo">090</span> */<a name="line.90"></a>
- <span class="sourceLineNo">091</span>public abstract class Title extends AbstractBlock<a name="line.91"></a>
- <span class="sourceLineNo">092</span> implements Block, Cloneable, Serializable {<a name="line.92"></a>
- <span class="sourceLineNo">093</span><a name="line.93"></a>
- <span class="sourceLineNo">094</span> /** For serialization. */<a name="line.94"></a>
- <span class="sourceLineNo">095</span> private static final long serialVersionUID = -6675162505277817221L;<a name="line.95"></a>
- <span class="sourceLineNo">096</span><a name="line.96"></a>
- <span class="sourceLineNo">097</span> /** The default title position. */<a name="line.97"></a>
- <span class="sourceLineNo">098</span> public static final RectangleEdge DEFAULT_POSITION = RectangleEdge.TOP;<a name="line.98"></a>
- <span class="sourceLineNo">099</span><a name="line.99"></a>
- <span class="sourceLineNo">100</span> /** The default horizontal alignment. */<a name="line.100"></a>
- <span class="sourceLineNo">101</span> public static final HorizontalAlignment<a name="line.101"></a>
- <span class="sourceLineNo">102</span> DEFAULT_HORIZONTAL_ALIGNMENT = HorizontalAlignment.CENTER;<a name="line.102"></a>
- <span class="sourceLineNo">103</span><a name="line.103"></a>
- <span class="sourceLineNo">104</span> /** The default vertical alignment. */<a name="line.104"></a>
- <span class="sourceLineNo">105</span> public static final VerticalAlignment<a name="line.105"></a>
- <span class="sourceLineNo">106</span> DEFAULT_VERTICAL_ALIGNMENT = VerticalAlignment.CENTER;<a name="line.106"></a>
- <span class="sourceLineNo">107</span><a name="line.107"></a>
- <span class="sourceLineNo">108</span> /** Default title padding. */<a name="line.108"></a>
- <span class="sourceLineNo">109</span> public static final RectangleInsets DEFAULT_PADDING = new RectangleInsets(<a name="line.109"></a>
- <span class="sourceLineNo">110</span> 1, 1, 1, 1);<a name="line.110"></a>
- <span class="sourceLineNo">111</span><a name="line.111"></a>
- <span class="sourceLineNo">112</span> /**<a name="line.112"></a>
- <span class="sourceLineNo">113</span> * A flag that controls whether or not the title is visible.<a name="line.113"></a>
- <span class="sourceLineNo">114</span> *<a name="line.114"></a>
- <span class="sourceLineNo">115</span> * @since 1.0.11<a name="line.115"></a>
- <span class="sourceLineNo">116</span> */<a name="line.116"></a>
- <span class="sourceLineNo">117</span> public boolean visible;<a name="line.117"></a>
- <span class="sourceLineNo">118</span><a name="line.118"></a>
- <span class="sourceLineNo">119</span> /** The title position. */<a name="line.119"></a>
- <span class="sourceLineNo">120</span> private RectangleEdge position;<a name="line.120"></a>
- <span class="sourceLineNo">121</span><a name="line.121"></a>
- <span class="sourceLineNo">122</span> /** The horizontal alignment of the title content. */<a name="line.122"></a>
- <span class="sourceLineNo">123</span> private HorizontalAlignment horizontalAlignment;<a name="line.123"></a>
- <span class="sourceLineNo">124</span><a name="line.124"></a>
- <span class="sourceLineNo">125</span> /** The vertical alignment of the title content. */<a name="line.125"></a>
- <span class="sourceLineNo">126</span> private VerticalAlignment verticalAlignment;<a name="line.126"></a>
- <span class="sourceLineNo">127</span><a name="line.127"></a>
- <span class="sourceLineNo">128</span> /** Storage for registered change listeners. */<a name="line.128"></a>
- <span class="sourceLineNo">129</span> private transient EventListenerList listenerList;<a name="line.129"></a>
- <span class="sourceLineNo">130</span><a name="line.130"></a>
- <span class="sourceLineNo">131</span> /**<a name="line.131"></a>
- <span class="sourceLineNo">132</span> * A flag that can be used to temporarily disable the listener mechanism.<a name="line.132"></a>
- <span class="sourceLineNo">133</span> */<a name="line.133"></a>
- <span class="sourceLineNo">134</span> private boolean notify;<a name="line.134"></a>
- <span class="sourceLineNo">135</span><a name="line.135"></a>
- <span class="sourceLineNo">136</span> /**<a name="line.136"></a>
- <span class="sourceLineNo">137</span> * Creates a new title, using default attributes where necessary.<a name="line.137"></a>
- <span class="sourceLineNo">138</span> */<a name="line.138"></a>
- <span class="sourceLineNo">139</span> protected Title() {<a name="line.139"></a>
- <span class="sourceLineNo">140</span> this(Title.DEFAULT_POSITION,<a name="line.140"></a>
- <span class="sourceLineNo">141</span> Title.DEFAULT_HORIZONTAL_ALIGNMENT,<a name="line.141"></a>
- <span class="sourceLineNo">142</span> Title.DEFAULT_VERTICAL_ALIGNMENT, Title.DEFAULT_PADDING);<a name="line.142"></a>
- <span class="sourceLineNo">143</span> }<a name="line.143"></a>
- <span class="sourceLineNo">144</span><a name="line.144"></a>
- <span class="sourceLineNo">145</span> /**<a name="line.145"></a>
- <span class="sourceLineNo">146</span> * Creates a new title, using default attributes where necessary.<a name="line.146"></a>
- <span class="sourceLineNo">147</span> *<a name="line.147"></a>
- <span class="sourceLineNo">148</span> * @param position the position of the title (<code>null</code> not<a name="line.148"></a>
- <span class="sourceLineNo">149</span> * permitted).<a name="line.149"></a>
- <span class="sourceLineNo">150</span> * @param horizontalAlignment the horizontal alignment of the title<a name="line.150"></a>
- <span class="sourceLineNo">151</span> * (<code>null</code> not permitted).<a name="line.151"></a>
- <span class="sourceLineNo">152</span> * @param verticalAlignment the vertical alignment of the title<a name="line.152"></a>
- <span class="sourceLineNo">153</span> * (<code>null</code> not permitted).<a name="line.153"></a>
- <span class="sourceLineNo">154</span> */<a name="line.154"></a>
- <span class="sourceLineNo">155</span> protected Title(RectangleEdge position,<a name="line.155"></a>
- <span class="sourceLineNo">156</span> HorizontalAlignment horizontalAlignment,<a name="line.156"></a>
- <span class="sourceLineNo">157</span> VerticalAlignment verticalAlignment) {<a name="line.157"></a>
- <span class="sourceLineNo">158</span><a name="line.158"></a>
- <span class="sourceLineNo">159</span> this(position, horizontalAlignment, verticalAlignment,<a name="line.159"></a>
- <span class="sourceLineNo">160</span> Title.DEFAULT_PADDING);<a name="line.160"></a>
- <span class="sourceLineNo">161</span><a name="line.161"></a>
- <span class="sourceLineNo">162</span> }<a name="line.162"></a>
- <span class="sourceLineNo">163</span><a name="line.163"></a>
- <span class="sourceLineNo">164</span> /**<a name="line.164"></a>
- <span class="sourceLineNo">165</span> * Creates a new title.<a name="line.165"></a>
- <span class="sourceLineNo">166</span> *<a name="line.166"></a>
- <span class="sourceLineNo">167</span> * @param position the position of the title (<code>null</code> not<a name="line.167"></a>
- <span class="sourceLineNo">168</span> * permitted).<a name="line.168"></a>
- <span class="sourceLineNo">169</span> * @param horizontalAlignment the horizontal alignment of the title (LEFT,<a name="line.169"></a>
- <span class="sourceLineNo">170</span> * CENTER or RIGHT, <code>null</code> not<a name="line.170"></a>
- <span class="sourceLineNo">171</span> * permitted).<a name="line.171"></a>
- <span class="sourceLineNo">172</span> * @param verticalAlignment the vertical alignment of the title (TOP,<a name="line.172"></a>
- <span class="sourceLineNo">173</span> * MIDDLE or BOTTOM, <code>null</code> not<a name="line.173"></a>
- <span class="sourceLineNo">174</span> * permitted).<a name="line.174"></a>
- <span class="sourceLineNo">175</span> * @param padding the amount of space to leave around the outside of the<a name="line.175"></a>
- <span class="sourceLineNo">176</span> * title (<code>null</code> not permitted).<a name="line.176"></a>
- <span class="sourceLineNo">177</span> */<a name="line.177"></a>
- <span class="sourceLineNo">178</span> protected Title(RectangleEdge position, <a name="line.178"></a>
- <span class="sourceLineNo">179</span> HorizontalAlignment horizontalAlignment, <a name="line.179"></a>
- <span class="sourceLineNo">180</span> VerticalAlignment verticalAlignment, RectangleInsets padding) {<a name="line.180"></a>
- <span class="sourceLineNo">181</span><a name="line.181"></a>
- <span class="sourceLineNo">182</span> ParamChecks.nullNotPermitted(position, "position");<a name="line.182"></a>
- <span class="sourceLineNo">183</span> ParamChecks.nullNotPermitted(horizontalAlignment, "horizontalAlignment");<a name="line.183"></a>
- <span class="sourceLineNo">184</span> ParamChecks.nullNotPermitted(verticalAlignment, "verticalAlignment");<a name="line.184"></a>
- <span class="sourceLineNo">185</span> ParamChecks.nullNotPermitted(padding, "padding");<a name="line.185"></a>
- <span class="sourceLineNo">186</span><a name="line.186"></a>
- <span class="sourceLineNo">187</span> this.visible = true;<a name="line.187"></a>
- <span class="sourceLineNo">188</span> this.position = position;<a name="line.188"></a>
- <span class="sourceLineNo">189</span> this.horizontalAlignment = horizontalAlignment;<a name="line.189"></a>
- <span class="sourceLineNo">190</span> this.verticalAlignment = verticalAlignment;<a name="line.190"></a>
- <span class="sourceLineNo">191</span> setPadding(padding);<a name="line.191"></a>
- <span class="sourceLineNo">192</span> this.listenerList = new EventListenerList();<a name="line.192"></a>
- <span class="sourceLineNo">193</span> this.notify = true;<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> * Returns a flag that controls whether or not the title should be<a name="line.197"></a>
- <span class="sourceLineNo">198</span> * drawn. The default value is <code>true</code>.<a name="line.198"></a>
- <span class="sourceLineNo">199</span> *<a name="line.199"></a>
- <span class="sourceLineNo">200</span> * @return A boolean.<a name="line.200"></a>
- <span class="sourceLineNo">201</span> *<a name="line.201"></a>
- <span class="sourceLineNo">202</span> * @see #setVisible(boolean)<a name="line.202"></a>
- <span class="sourceLineNo">203</span> *<a name="line.203"></a>
- <span class="sourceLineNo">204</span> * @since 1.0.11<a name="line.204"></a>
- <span class="sourceLineNo">205</span> */<a name="line.205"></a>
- <span class="sourceLineNo">206</span> public boolean isVisible() {<a name="line.206"></a>
- <span class="sourceLineNo">207</span> return this.visible;<a name="line.207"></a>
- <span class="sourceLineNo">208</span> }<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> * Sets a flag that controls whether or not the title should be drawn, and<a name="line.211"></a>
- <span class="sourceLineNo">212</span> * sends a {@link TitleChangeEvent} to all registered listeners.<a name="line.212"></a>
- <span class="sourceLineNo">213</span> *<a name="line.213"></a>
- <span class="sourceLineNo">214</span> * @param visible the new flag value.<a name="line.214"></a>
- <span class="sourceLineNo">215</span> *<a name="line.215"></a>
- <span class="sourceLineNo">216</span> * @see #isVisible()<a name="line.216"></a>
- <span class="sourceLineNo">217</span> *<a name="line.217"></a>
- <span class="sourceLineNo">218</span> * @since 1.0.11<a name="line.218"></a>
- <span class="sourceLineNo">219</span> */<a name="line.219"></a>
- <span class="sourceLineNo">220</span> public void setVisible(boolean visible) {<a name="line.220"></a>
- <span class="sourceLineNo">221</span> this.visible = visible;<a name="line.221"></a>
- <span class="sourceLineNo">222</span> notifyListeners(new TitleChangeEvent(this));<a name="line.222"></a>
- <span class="sourceLineNo">223</span> }<a name="line.223"></a>
- <span class="sourceLineNo">224</span><a name="line.224"></a>
- <span class="sourceLineNo">225</span> /**<a name="line.225"></a>
- <span class="sourceLineNo">226</span> * Returns the position of the title.<a name="line.226"></a>
- <span class="sourceLineNo">227</span> *<a name="line.227"></a>
- <span class="sourceLineNo">228</span> * @return The title position (never <code>null</code>).<a name="line.228"></a>
- <span class="sourceLineNo">229</span> */<a name="line.229"></a>
- <span class="sourceLineNo">230</span> public RectangleEdge getPosition() {<a name="line.230"></a>
- <span class="sourceLineNo">231</span> return this.position;<a name="line.231"></a>
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- <span class="sourceLineNo">462</span>}<a name="line.462"></a>
- </pre>
- </div>
- </body>
- </html>
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