/*
* @(#)FigureDataContentProducer.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.io.IOException;
import java.io.Serializable;
import org.jhotdraw.util.StorableInput;
import org.jhotdraw.util.StorableOutput;
/**
* FigureDataContentProducer produces content on behalf of Figures.<br>
* It supports the basic information common to all figures.
* It can only be used as a generic producer, getting information from any
* figure passed to the getContents method.
*
* @author Eduardo Francos - InContext
* @created 30 avril 2002
* @version <$CURRENT_VERSION$>
*/
public class FigureDataContentProducer extends AbstractContentProducer
implements Serializable {
/**
* Constructor for the FigureContentProducer object
*/
public FigureDataContentProducer() { }
/**
* Produces the contents for the figure
*
* @param context the calling client context
* @param ctxAttrName the attribute name
* @param ctxAttrValue the figure
* @return The string value for the requested entity name
*/
public Object getContent(ContentProducerContext context, String ctxAttrName, Object ctxAttrValue) {
if (ctxAttrName.compareTo(ContentProducer.ENTITY_FIGURE_WIDTH) == 0) {
return Integer.toString(((FigureContentProducerContext)context).displayBox().width);
}
if (ctxAttrName.compareTo(ContentProducer.ENTITY_FIGURE_HEIGHT) == 0) {
return Integer.toString(((FigureContentProducerContext)context).displayBox().height);
}
if (ctxAttrName.compareTo(ContentProducer.ENTITY_FIGURE_POSX) == 0) {
return Integer.toString(((FigureContentProducerContext)context).displayBox().x);
}
if (ctxAttrName.compareTo(ContentProducer.ENTITY_FIGURE_POSY) == 0) {
return Integer.toString(((FigureContentProducerContext)context).displayBox().y);
}
return null;
}
/**
* Writes the storable
*
* @param dw the storable output
*/
public void write(StorableOutput dw) {
super.write(dw);
}
/**
* Writes the storable
*
* @param dr the storable input
* @exception IOException thrown by called methods
*/
public void read(StorableInput dr) throws IOException {
super.read(dr);
}
}