/**
* If the selected Fig is a FigAssociation (an edge) then convert it to a FigNodeAssociation.
*
* @param fig the select end Fig
* @return the fig converted to a FigNode
*/
private FigNode convertToFigNode(Fig fig) {
if (fig instanceof FigEdgePort) {
fig = fig.getGroup();
}
if (!(fig instanceof FigAssociation)) {
return (FigNode) fig;
}
final FigAssociation figAssociation = (FigAssociation) fig;
final int x = figAssociation.getEdgePort().getX();
final int y = figAssociation.getEdgePort().getY();
final Object association = fig.getOwner();
final FigNode originalEdgePort = figAssociation.getEdgePort();
// Detach any edges (such as comment edges) already attached
// to the FigAssociation before the FigAssociation is removed.
// They'll later be re-attached to the new FigNodeAssociation
final Collection<FigEdge> existingEdges = originalEdgePort.getEdges();
for (FigEdge edge : existingEdges) {
originalEdgePort.removeFigEdge(edge);
}
figAssociation.removeFromDiagram();
// Create the new FigNodeAssociation and locate it.
final MutableGraphModel gm = (MutableGraphModel) editor.getGraphModel();
gm.addNode(association);
final LayerPerspective lay = (LayerPerspective) editor.getLayerManager().getActiveLayer();
final List associationFigs = lay.presentationsFor(association);
associationFigs.remove(figAssociation);
final FigNodeAssociation figNode = (FigNodeAssociation) associationFigs.get(0);
figNode.setLocation(x - figNode.getWidth() / 2, y - figNode.getHeight() / 2);
editor.add(figNode);
editor.getSelectionManager().deselectAll();
// Add the association ends to the graph model
final Collection<Object> associationEnds = Model.getFacade().getConnections(association);
for (Object associationEnd : associationEnds) {
gm.addEdge(associationEnd);
}
// Add the edges (such as comment edges) that were on the old
// FigAssociation to our new FigNodeAssociation and make sure they are
// positioned correctly.
for (FigEdge edge : existingEdges) {
if (edge.getDestFigNode() == originalEdgePort) {
edge.setDestFigNode(figNode);
edge.setDestPortFig(figNode);
}
if (edge.getSourceFigNode() == originalEdgePort) {
edge.setSourceFigNode(figNode);
edge.setSourcePortFig(figNode);
}
}
figNode.updateEdges();
return figNode;
}
/**
* Create an edge of the given type and connect it to the given nodes.
*
* @param graphModel the graph model in which to create the connection element
* @param edgeType the UML object type of the connection
* @param sourceFig the FigNode for the source element
* @param destFig the FigNode for the destination element
* @return The FigEdge representing the newly created model element
*/
@Override
protected FigEdge buildConnection(
MutableGraphModel graphModel, Object edgeType, Fig sourceFig, Fig destFig) {
try {
Object associationEnd =
Model.getUmlFactory()
.buildConnection(
edgeType, sourceFig.getOwner(), null, destFig.getOwner(), null, null, null);
final FigNode sourceFigNode = convertToFigNode(sourceFig);
final FigNode destFigNode = convertToFigNode(destFig);
graphModel.addEdge(associationEnd);
setNewEdge(associationEnd);
// Calling connect() will add the edge to the GraphModel and
// any LayerPersectives on that GraphModel will get a
// edgeAdded event and will add an appropriate FigEdge
// (determined by the GraphEdgeRenderer).
if (getNewEdge() != null) {
sourceFigNode.damage();
destFigNode.damage();
Layer lay = editor.getLayerManager().getActiveLayer();
FigEdge fe = (FigEdge) lay.presentationFor(getNewEdge());
_newItem.setLineColor(Color.black);
fe.setFig(_newItem);
fe.setSourcePortFig(sourceFigNode);
fe.setSourceFigNode(sourceFigNode);
fe.setDestPortFig(destFigNode);
fe.setDestFigNode(destFigNode);
return fe;
} else {
return null;
}
} catch (IllegalModelElementConnectionException e) {
// We have already confirmed the connection is valid
return null;
}
}
private void setSourcePort(FigEdge edge, FigNode source) {
edge.setSourcePortFig(source);
edge.setSourceFigNode(source);
}