private String getCallLabel() {
String name = null;
Activity activity = (Activity) getRealModel().getCallee();
if (activity != null) {
EOperation operation = activity.getOwningOperation().getOperation();
if (!activity.getOutParameters().isEmpty()) {
EParameter param = activity.getOutParameters().get(0);
for (ParameterBinding binding : getRealModel().getOwnedParameterBindings()) {
if (binding.getParameter() == param) {
name = Expr2String.toString(binding.getValueExpression()) + " := ";
}
}
if (name == null) {
name = "";
}
} else {
name = "void ";
}
name += operation.getName() + "(";
for (EParameter param : operation.getEParameters()) {
boolean found = false;
for (ParameterBinding binding : getRealModel().getOwnedParameterBindings()) {
if (binding.getParameter() == param) {
name += Expr2String.toString(binding.getValueExpression()) + ",";
found = true;
}
}
if (!found) {
name += "null,";
}
}
int lastComma = name.lastIndexOf(",");
if (lastComma > -1) {
name = name.substring(0, lastComma);
}
name += ")";
} else {
name = "select activity to call";
}
return name;
}
@Override
public Image getColumnImage(Object element, int index) {
if (element instanceof EParameter) {
EParameter eParameter = (EParameter) element;
if (eParameter.eContainer() instanceof Activity) {
Activity activity = (Activity) eParameter.eContainer();
if (isOutgoing && activity.getInParameters().contains(eParameter)) {
return DiagramImages.getImage(DiagramImages.EPARAMETER_OUT_REF);
} else if (!isOutgoing && activity.getOutParameters().contains(eParameter)) {
return DiagramImages.getImage(DiagramImages.EPARAMETER_IN_REF);
}
}
if (isOutgoing) {
return DiagramImages.getImage(DiagramImages.EPARAMETER_OUT);
} else {
return DiagramImages.getImage(DiagramImages.EPARAMETER_IN);
}
}
return null;
}