// 刪除Connector
void ERModel::deleteConnection( Component* delComponent )
{
Connector* delConnector = static_cast<Connector*>(delComponent);
Component* sourceNode = searchComponent(delConnector->getSourceNodeID());
Component* destinationNode = searchComponent(delConnector->getDestinationNodeID());
sourceNode->deleteConnectedComponent(delConnector->getDestinationNodeID());
destinationNode->deleteConnectedComponent(delConnector->getSourceNodeID());
deleteTableSet(delComponent->getID(), _components, PARAMETER_COMPONENTSTABLE);
deleteTableSet(delComponent->getID(), _connections, PARAMETER_CONNECTIONSTABLE);
}
int ERModel::addCloneConnection( Component* cloneConnector )
{
Connector* tempCloneConnector = static_cast<Connector*>(cloneConnector);
int newSourceID = retrieveNewCloneID(tempCloneConnector->getSourceNodeID());
int newDestinationID = retrieveNewCloneID(tempCloneConnector->getDestinationNodeID());
vector<pair<int, bool>> changePrimaryKey;
if (newSourceID != PARAMETER_NOTFINDID && newDestinationID != PARAMETER_NOTFINDID)
{
Component* newSourceNode = searchComponent(newSourceID);
Component* newDestinationNode = searchComponent(newDestinationID);
// 如果以前的Attribute是PK的話，對Entity及Attribute進行修正
if (newSourceNode->getType() == PARAMETER_ATTRIBUTE)
changePrimaryKey = reBuildPrimaryKey(searchComponent(tempCloneConnector->getSourceNodeID()), newDestinationID, newSourceID);
else if (newDestinationNode->getType() == PARAMETER_ATTRIBUTE)
changePrimaryKey = reBuildPrimaryKey(searchComponent(tempCloneConnector->getDestinationNodeID()), newSourceID, newDestinationID);
// 對clone的ComponentID做修正
tempCloneConnector->setID(_componentID);
// ComponentID往後加
_componentID++;
// 設定兩個Clone的Component重新Connect
connectionSetting(newSourceNode, newDestinationNode, tempCloneConnector->getText());
// Connector設定新的Source及Destination
tempCloneConnector->setSourceNode(newSourceNode);
tempCloneConnector->setDestinationNode(newDestinationNode);
_components.push_back(cloneConnector);
_connections.push_back(tempCloneConnector);
notifyNewConnection(tempCloneConnector->getID(), tempCloneConnector->getSourceNodeID(), tempCloneConnector->getDestinationNodeID(), tempCloneConnector->getText(), changePrimaryKey);
return cloneConnector->getID();
}
return PARAMETER_ISERROR;
}
