/**
* Create an UMLAttribute.
* @param name an optional name for the attribute
* @param type an optional type object for the attribute
* @param vis the visibility of the attribute
* @param iv the initial value for the attribute
* @return the just created attribute or null
*/
UMLAttribute* UMLEntity::createAttribute(const QString &name /*= QString()*/, UMLObject *type /*= 0*/,
Uml::Visibility vis /* = Uml::Visibility::Private*/,
const QString& iv /* = QString()*/)
{
Uml::IDType id = UniqueID::gen();
QString currentName;
if (name.isNull()) {
currentName = uniqChildName(UMLObject::ot_EntityAttribute);
} else {
currentName = name;
}
UMLEntityAttribute* newAttribute = new UMLEntityAttribute(this, currentName, id, vis, type, iv);
int button = KDialog::Accepted;
bool goodName = false;
//check for name.isNull() stops dialog being shown
//when creating attribute via list view
while (button == KDialog::Accepted && !goodName && name.isNull()) {
QPointer<UMLEntityAttributeDialog> dialog = new UMLEntityAttributeDialog(0, newAttribute);
button = dialog->exec();
QString name = newAttribute->name();
if (name.length() == 0) {
KMessageBox::error(0, i18n("That is an invalid name."), i18n("Invalid Name"));
} else if ( findChildObject(name) != NULL ) {
KMessageBox::error(0, i18n("That name is already being used."), i18n("Not a Unique Name"));
} else {
goodName = true;
}
delete dialog;
}
if (button != KDialog::Accepted) {
delete newAttribute;
return 0;
}
addEntityAttribute(newAttribute);
UMLDoc *umldoc = UMLApp::app()->document();
umldoc->signalUMLObjectCreated(newAttribute);
return newAttribute;
}
