// $Id: FigEdgeHandler.java 41 2010-04-03 20:04:12Z marcusvnac $
// Copyright (c) 1996-2006 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies. This software program and
// documentation are copyrighted by The Regents of the University of
// California. The software program and documentation are supplied "AS
// IS", without any accompanying services from The Regents. The Regents
// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
// was developed for research purposes and is advised not to rely
// exclusively on the program for any reason. IN NO EVENT SHALL THE
// UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
// ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
// THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
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package org.argouml.persistence;
import java.util.StringTokenizer;
import org.tigris.gef.persistence.pgml.PGMLStackParser;
import org.tigris.gef.presentation.Fig;
import org.tigris.gef.presentation.FigEdge;
import org.tigris.gef.presentation.FigEdgePoly;
import org.tigris.gef.presentation.FigLine;
import org.tigris.gef.presentation.FigPoly;
import org.xml.sax.SAXException;
/**
* The handler for elements that represent FigEdge objects.
* This extends the base GEF class to allow comment edges to connect
* to nodes inside other edges.
* @author Bob Tarling
*/
class FigEdgeHandler
extends org.tigris.gef.persistence.pgml.FigEdgeHandler {
/**
* @param parser
* @param theEdge
*/
public FigEdgeHandler(PGMLStackParser parser, FigEdge theEdge) {
super(parser, theEdge);
}
/**
* Incorporates a contained element into this FigEdge object.<p>
*
* Three types of contained elements are supported: FigLine or FigPoly
* become the Fig associated with this FigEdge; String valued elements
* (i.e., <em>private</em> elements) are themselves parsed to determin the
* source and destination PortFig's for this FigEdge.
*
* @see org.tigris.gef.persistence.pgml.Container#addObject(java.lang.Object)
*/
public void addObject(Object o) throws SAXException {
FigEdge edge = getFigEdge();
if (o instanceof FigLine || o instanceof FigPoly) {
edge.setFig((Fig) o);
if (o instanceof FigPoly) {
((FigPoly) o).setComplete(true);
}
edge.calcBounds();
if (edge instanceof FigEdgePoly) {
((FigEdgePoly) edge).setInitiallyLaidOut(true);
}
edge.updateAnnotationPositions();
}
if (o instanceof String) {
PGMLStackParser parser = getPGMLStackParser();
// Fig spf = null;
// Fig dpf = null;
// FigNode sfn = null;
// FigNode dfn = null;
String body = (String) o;
StringTokenizer st2 = new StringTokenizer(body, "=\"' \t\n");
String sourcePortFig = null;
String destPortFig = null;
String sourceFigNode = null;
String destFigNode = null;
while (st2.hasMoreElements()) {
String attribute = st2.nextToken();
String value = st2.nextToken();
if (attribute.equals("sourcePortFig")) {
sourcePortFig = value;
}
if (attribute.equals("destPortFig")) {
destPortFig = value;
}
if (attribute.equals("sourceFigNode")) {
sourceFigNode = value;
}
if (attribute.equals("destFigNode")) {
destFigNode = value;
}
}
((org.argouml.persistence.PGMLStackParser) parser).addFigEdge(
edge,
sourcePortFig,
destPortFig,
sourceFigNode,
destFigNode);
}
}
}