package com.nwalsh.saxon;
import org.xml.sax.SAXException;
import org.w3c.dom.*;
import javax.xml.transform.TransformerException;
import com.icl.saxon.om.NamePool;
import com.icl.saxon.output.Emitter;
import com.icl.saxon.tree.AttributeCollection;
import com.nwalsh.saxon.Callout;
/**
* <p>Utility class for the Verbatim extension (ignore this).</p>
*
* <p>$Id: FormatGraphicCallout.java,v 1.1 2001/07/16 21:23:57 nwalsh Exp $</p>
*
* <p>Copyright (C) 2000, 2001 Norman Walsh.</p>
*
* <p><b>Change Log:</b></p>
* <dl>
* <dt>1.0</dt>
* <dd><p>Initial release.</p></dd>
* </dl>
*
* @author Norman Walsh
* <a href="mailto:ndw@nwalsh.com">ndw@nwalsh.com</a>
*
* @see Verbatim
*
* @version $Id: FormatGraphicCallout.java,v 1.1 2001/07/16 21:23:57 nwalsh Exp $
**/
public class FormatGraphicCallout extends FormatCallout {
String graphicsPath = "";
String graphicsExt = "";
int graphicsMax = 0;
public FormatGraphicCallout(NamePool nPool, String path, String ext, int max, boolean fo) {
super(nPool, fo);
graphicsPath = path;
graphicsExt = ext;
graphicsMax = max;
}
public void formatCallout(Emitter rtfEmitter,
Callout callout) {
Element area = callout.getArea();
int num = callout.getCallout();
String userLabel = areaLabel(area);
String label = "(" + num + ")";
if (userLabel != null) {
label = userLabel;
}
try {
if (userLabel == null && num <= graphicsMax) {
int imgName = 0;
AttributeCollection imgAttr = null;
int namespaces[] = new int[1];
if (foStylesheet) {
imgName = namePool.allocate("fo", foURI, "external-graphic");
imgAttr = new AttributeCollection(namePool);
imgAttr.addAttribute("", "", "src", "CDATA",
graphicsPath + num + graphicsExt);
} else {
imgName = namePool.allocate("", "", "img");
imgAttr = new AttributeCollection(namePool);
imgAttr.addAttribute("", "", "src", "CDATA",
graphicsPath + num + graphicsExt);
imgAttr.addAttribute("", "", "alt", "CDATA", label);
}
startSpan(rtfEmitter);
rtfEmitter.startElement(imgName, imgAttr, namespaces, 0);
rtfEmitter.endElement(imgName);
endSpan(rtfEmitter);
} else {
formatTextCallout(rtfEmitter, callout);
}
} catch (TransformerException e) {
System.out.println("Transformer Exception in graphic formatCallout");
}
}
}