/*
* @(#)HTMLColorContentProducer.java
*
* Project: JHotdraw - a GUI framework for technical drawings
* http://www.jhotdraw.org
* http://jhotdraw.sourceforge.net
* Copyright: (c) by the original author(s) and all contributors
* License: Lesser GNU Public License (LGPL)
* http://www.opensource.org/licenses/lgpl-license.html
*/
package org.jhotdraw.contrib.html;
import java.awt.Color;
import java.io.Serializable;
/**
* HTMLColorContentProducer produces RGB color HTML encoded strings.<br>
* Ex:
* <code>Color.blue ==> #0000FF</code><br>
* <code>Color.red ==> #FF00FF</code><br>
* It can either be specific if set for a specific color, or generic, encoding
* any color passed to the getContents method.
*
* @author Eduardo Francos - InContext
* @created 4 mai 2002
* @version <$CURRENT_VERSION$>
*/
public class HTMLColorContentProducer extends ColorContentProducer implements Serializable {
/**
* Constructor for the HTMLColorContentProducer object
*/
public HTMLColorContentProducer() { }
/**
* Produces the contents for the color
*
* @param context the calling client context
* @param ctxAttrName the color attribute name (FrameColor, TextColor, etc)
* @param ctxAttrValue the color
* @return The HTML encoded RBG value for the color
*/
public Object getContent(ContentProducerContext context, String ctxAttrName, Object ctxAttrValue) {
// if we have our own color then use it
// otherwise use the one supplied
Color color = (getColor() != null) ? getColor() : (Color)ctxAttrValue;
return getHTMLColorCode(color);
}
public static String getHTMLColorCode(Color color) {
String colorCode = Integer.toHexString(color.getRGB());
return "#" + colorCode.substring(colorCode.length() - 6);
}
}