_treeAPI.addDetailTab(DatabaseObjectType.INDEX, new IndexInfoTab());
// Expanders.
_treeAPI.addExpander(IObjectTypes.INDEX_PARENT, new AllIndexesParentExpander());
_treeAPI.addExpander(DatabaseObjectType.SESSION, new DatabaseExpander(this));
TableWithChildNodesExpander tableExp = new TableWithChildNodesExpander();
tableExp.setTableTriggerExtractor(new FirebirdTableTriggerExtractorImpl());
tableExp.setTableIndexExtractor(new FirebirdTableIndexExtractorImpl());
_treeAPI.addExpander(DatabaseObjectType.TABLE, tableExp);