@Override
public void configure(IParametrizableTrigger parametrizableTrigger) {
Assert.isTrue(
parametrizableTrigger instanceof TableConstraintInitializerTrigger, "Invalid Trigger Type");
TableConstraintInitializerTrigger trigger =
(TableConstraintInitializerTrigger) parametrizableTrigger;
// Se está creando una nueva FK
if (trigger.getNewConstraint() instanceof EForeignKey) {
EForeignKey foreignKey = (EForeignKey) trigger.getNewConstraint();
EBaseTable referencedTable = foreignKey.getParentTable();
// Si la tabla origen tiene mas de una UK, el usuario deberá elegir una (Bugzilla #20280)
if (referencedTable.getUniqueConstraints().size() > 1) {
String msg = TriggerOptionsMessages.TableConstraintInitializerTriggerConfigurator_Select_UK;
String[] ukNames = new String[referencedTable.getUniqueConstraints().size()];
int[] ukIds = new int[referencedTable.getUniqueConstraints().size()];
for (int i = 0; i < referencedTable.getUniqueConstraints().size(); i++) {
EUniqueConstraint uk = referencedTable.getUniqueConstraints().get(i);
ukNames[i] = uk.getName();
String members = uk.getMembers().get(0) == null ? "" : uk.getMembers().get(0).getName();
for (int j = 1; j < uk.getMembers().size(); j++) {
members = members + ", " + uk.getMembers().get(j).getName();
}
ukNames[i] = uk.getName() + " (" + members + ")";
ukIds[i] = i;
}
EUniqueConstraint defaultUK = null;
if (referencedTable.getPrimaryKey() != null) defaultUK = referencedTable.getPrimaryKey();
else
defaultUK =
referencedTable
.getUniqueConstraints()
.get(0); // Si llegamos aca, al menos una UK debe existir
int defaultOption = referencedTable.getUniqueConstraints().indexOf(defaultUK);
int selectedOption =
openOptionsDialog(NEW_FOREIGN_KEY, msg, ukNames, ukIds, defaultOption, -1);
// EL usuario puede haber cerrado el dialogo con la X. En ese caso no se selecciona ninguna
// UK y la FK quedará sin UK.
if (selectedOption != -1)
trigger.setForeignKeyUniqueConstraint(
referencedTable.getUniqueConstraints().get(selectedOption));
} else if (referencedTable.getUniqueConstraints().size() == 1) {
trigger.setForeignKeyUniqueConstraint(referencedTable.getUniqueConstraints().get(0));
}
}
}
private void setPrimaryKey(EColumn owner, boolean newValue) {
boolean oldValue = isPrimaryKey(owner);
if (oldValue == newValue) return;
EBaseTable baseTable = (EBaseTable) owner.getTable();
EPrimaryKey pk = baseTable.getPrimaryKey();
if (newValue) {
if (pk == null) {
pk = EConstraintsFactory.eINSTANCE.createPrimaryKey();
baseTable.getConstraints().add(pk);
}
if (!pk.getMembers().contains(owner)) pk.getMembers().add(owner);
} else if (pk != null) {
if (pk.getMembers().contains(owner)) pk.getMembers().remove(owner);
}
}