/** Collapse edit part */
private void collapseEditPart() {
final Set<ConnectionEditPart> childrenConnections = getChildrenConnections();
final Set<ConnectionEditPart> outsideConnections =
excludeInternConnections(childrenConnections);
final Set<ConnectionEditPart> edges = filterForDependencyConstraints(outsideConnections);
for (final ConnectionEditPart outConnection : edges) {
final EdgeImpl edge = (EdgeImpl) outConnection.getModel();
// it's for undo/redo operations
if (outConnection.getSource().getModel() != edge.getSource()
|| outConnection.getTarget().getModel() != edge.getTarget()) {
return;
}
if (compartmentChildren.contains(outConnection.getSource())) {
// readjust connection and update original source history
// readjust at source
edge.setSource((ShapeImpl) editPartOfCompartment.getModel());
final Connection con = (Connection) edge.getElement();
con.setTemp(true);
final EList<Shape> oSources = con.getOriginalSource();
oSources.add(con.getSource());
con.setSource((Shape) ((ShapeImpl) editPartOfCompartment.getModel()).getElement());
} else {
// readjust at target
edge.setTarget((ShapeImpl) editPartOfCompartment.getModel());
final Connection con = (Connection) edge.getElement();
con.setTemp(true);
final EList<Shape> oTargets = con.getOriginalTarget();
oTargets.add(con.getTarget());
con.setTarget((Shape) ((ShapeImpl) editPartOfCompartment.getModel()).getElement());
}
}
}
/**
* @param connections
* @return Returns the given connections without intra-connections, i.e. connections between
* children or connections between child and parent.
*/
private Set<ConnectionEditPart> excludeInternConnections(
final Set<ConnectionEditPart> connections) {
final List<EditPart> internalParts =
EditPartService.getAllShapesInSideCompartment(compartmentToSupport);
// connections from children to its parent are also internal
internalParts.add(editPartOfCompartment);
for (final ConnectionEditPart c : connections) {
// check if connection has one end outside of compartment
if (internalParts.contains(c.getSource()) ^ internalParts.contains(c.getTarget())) {
connections.add(c);
}
}
return connections;
}