Added pin connection editing

comdel/domain/schema.cpp

@@ -7,18 +7,28 @@ namespace domain {
     }
 
     ConnectionInstance *Schema::getConnection(string &component, string &pin) {
+        auto pinConnections = getConnections(component, pin);
+        if(pinConnections.empty()) {
+            return nullptr;
+        } else {
+            return pinConnections[0];
+        }
+    }
+
+    std::vector<ConnectionInstance*> Schema::getConnections(string &component, string &pin) {
+        std::vector<ConnectionInstance*> pinConnections;
         for (auto &conn: connections) {
             if (conn->instance->name == component && conn->connection.getComponent().pin == pin) {
-                return conn.get();
+                pinConnections.push_back(conn.get());
             }
             auto dirConn = dynamic_cast<DirectConnectionInstance *>(conn.get());
             if (dirConn != nullptr) {
                 if (dirConn->secondInstance->name == component && conn->connection.getSecondComponent()->pin == pin) {
-                    return dirConn;
+                    pinConnections.push_back(conn.get());
                 }
             }
         }
-        return nullptr;
+        return pinConnections;
     }
 
     BusInstance *Schema::getBusInstance(string &name) {

comdel/domain/schema.h

@@ -42,6 +42,8 @@ namespace domain {
         ConnectionInstance *getConnection(string &component, string &pin);
 
         std::vector<ConnectionEntry> availableConnections(std::string instance, std::string pin, bool onlyConnectable);
+
+        vector<ConnectionInstance *> getConnections(string &component, string &pin);
     };
 
 } // namespace domain