/**
* Add the given catalog to the catalog list if it is not already there. If a separate catalog
* with the same name is in the list, the user is asked if it should be removed.
*/
public void addCatalog(int index, Catalog cat) {
// check for duplicates
int i = _catalogs.indexOf(cat);
if (i != -1) {
return;
}
// check if it is a catalog with the same name (maybe from a different config file)
String name = cat.getName();
Catalog oldCat = getCatalog(name);
int size = _catalogs.size();
if (oldCat != null) {
int ans = DialogUtil.confirm(name + " already exists. Do you want to replace it?");
if (ans != JOptionPane.YES_OPTION) return;
removeCatalog(oldCat);
size--;
}
if (index < 0 || index >= size) _catalogs.add(cat);
else _catalogs.add(index, cat);
cat.setParent(this);
CatalogFactory.registerCatalog(cat, isLocal());
_fireTreeNodesInserted(_getTreeModelEvent(cat));
}
/** Remove the given catalog from the catalog list. */
public void removeCatalog(Catalog cat) {
// event needs state before removing from tree
TreeModelEvent tme = _getTreeModelEvent(cat);
_catalogs.remove(cat);
_fireTreeNodesRemoved(tme);
cat.setParent(null);
CatalogFactory.unregisterCatalog(cat);
}
/** Set the list of catalogs in this catalog directory. */
public void setCatalogs(List catalogs) {
_catalogs = catalogs;
int n = _catalogs.size();
for (int i = 0; i < n; i++) {
Catalog cat = (Catalog) _catalogs.get(i);
cat.setParent(this);
CatalogFactory.registerCatalog(cat, isLocal());
}
_fireTreeStructureChanged(_getTreeModelEvent(this));
}
/**
* Return a list of name servers (Catalogs with serv_type equal to "namesvr") to use to resolve
* astronomical object names.
*/
public List getNameServers() {
return CatalogFactory.getCatalogsByType(Catalog.NAME_SERVER);
}