Most of functionality for connections in tree works now. Old list largely removed.

pglablib/ConnectionConfig.cpp

@@ -57,7 +57,7 @@ ConnectionConfig::ConnectionConfig()
 	: m_applicationName(QCoreApplication::applicationName().toUtf8().data())
 {}
 
-ConnectionGroup *ConnectionConfig::parent()
+const ConnectionGroup *ConnectionConfig::parent() const
 {
 	return m_group;
 }
@@ -301,6 +301,21 @@ void ConnectionConfig::clean()
 	m_dirty = false;
 }
 
+QString ConnectionConfig::makeLongDescription() const
+{
+	std::string result(name());
+	result += " (";
+	result += user();
+	result += "@";
+	result += host();
+	result += ":";
+	result += std::to_string(port());
+	result += "/";
+	result += dbname();
+	result += ")";
+	return stdStrToQ(result);
+}
+
 /*
 
 	PGHOST behaves the same as the host connection parameter.
@@ -358,8 +373,21 @@ void ConnectionConfig::strToEnv(QProcessEnvironment &env, const QString &var, co
 		env.insert(var, stdStrToQ(val));
 }
 
-void ConnectionGroup::add(std::shared_ptr<ConnectionConfig> cc)
+void ConnectionGroup::erase(int idx, int count)
+{
+	m_connections.remove(idx, count);
+}
+
+int ConnectionGroup::add(std::shared_ptr<ConnectionConfig> cc)
 {
 	cc->setParent(this);
 	m_connections.push_back(cc);
+	return m_connections.size() - 1;
+}
+
+void ConnectionGroup::update(int idx, const ConnectionConfig &cc)
+{
+	auto node = m_connections[idx];
+	*node = cc;
+	node->setParent(this);
 }