// ----------------------------------------------------------------------
void RebuildDataConnection(iCS_EditorObject outputPort, iCS_EditorObject inputPort)
{
#if DEBUG
Debug.Log("iCanScript: RebuildDataConnection: output= " + outputPort.DisplayName + " input= " + inputPort.DisplayName);
#endif
// Have we completed rebuilding ... if so return.
if (inputPort == outputPort)
{
return;
}
var inputNode = inputPort.ParentNode;
var outputNode = outputPort.ParentNode;
if (inputNode == outputNode)
{
return;
}
// outputPort is inside the node with the inputPort.
var commonParentNode = GraphInfo.GetCommonParent(outputPort, inputPort);
if (inputNode == commonParentNode)
{
// Rebuild moving down from the common parent towards the output port.
var newInputNode = outputPort.ParentNode;
while (newInputNode != inputNode && newInputNode.ParentNode != inputNode)
{
newInputNode = newInputNode.ParentNode;
}
var existingPort = IStorage.FindPortWithSourceEndPoint(newInputNode, outputPort);
if (existingPort != null)
{
var prevSource = inputPort.ProducerPort;
if (prevSource != existingPort)
{
inputPort.ProducerPort = existingPort;
if (prevSource.IsDynamicDataPort && !inputPort.IsPartOfConnection(prevSource))
{
IStorage.CleanupHangingConnection(prevSource);
}
}
RebuildDataConnection(outputPort, existingPort);
}
else
{
iCS_EditorObject newPort = IStorage.CreatePort(inputPort.DisplayName, newInputNode.InstanceId, inputPort.RuntimeType, VSObjectType.OutDynamicDataPort);
IStorage.SetBestPositionForAutocreatedPort(newPort, outputPort.GlobalPosition, inputPort.GlobalPosition);
newPort.ProducerPort = inputPort.ProducerPort;
inputPort.ProducerPort = newPort;
RebuildDataConnection(outputPort, newPort);
}
return;
}
var inputNodeParent = inputNode.ParentNode;
if (inputNodeParent == commonParentNode)
{
// Rebuild traversing from moving upwards to downwords.
var newDstNode = outputPort.ParentNode;
while (newDstNode != commonParentNode && newDstNode.ParentNode != commonParentNode)
{
newDstNode = newDstNode.ParentNode;
}
var existingPort = IStorage.FindPortWithSourceEndPoint(newDstNode, outputPort);
if (existingPort != null)
{
var prevSource = inputPort.ProducerPort;
if (prevSource != existingPort)
{
inputPort.ProducerPort = existingPort;
if (prevSource.IsDynamicDataPort && !inputPort.IsPartOfConnection(prevSource))
{
IStorage.CleanupHangingConnection(prevSource);
}
}
RebuildDataConnection(outputPort, existingPort);
}
else
{
iCS_EditorObject newPort = IStorage.CreatePort(inputPort.DisplayName, newDstNode.InstanceId, inputPort.RuntimeType, VSObjectType.OutDynamicDataPort);
IStorage.SetBestPositionForAutocreatedPort(newPort, outputPort.GlobalPosition, inputPort.GlobalPosition);
newPort.ProducerPort = inputPort.ProducerPort;
inputPort.ProducerPort = newPort;
RebuildDataConnection(outputPort, newPort);
}
return;
}
else
{
// Rebuilding moving up from the consumer port towards the common parent.
var existingPort = IStorage.FindPortWithSourceEndPoint(inputNodeParent, outputPort);
if (existingPort != null)
{
var prevSource = inputPort.ProducerPort;
if (prevSource != existingPort)
{
inputPort.ProducerPort = existingPort;
if (prevSource.IsDynamicDataPort && !inputPort.IsPartOfConnection(prevSource))
{
IStorage.CleanupHangingConnection(prevSource);
}
}
RebuildDataConnection(outputPort, existingPort);
}
else
{
iCS_EditorObject newPort = IStorage.CreatePort(inputPort.DisplayName, inputNodeParent.InstanceId, inputPort.RuntimeType, VSObjectType.InDynamicDataPort);
IStorage.SetBestPositionForAutocreatedPort(newPort, outputPort.GlobalPosition, inputPort.GlobalPosition);
newPort.ProducerPort = inputPort.ProducerPort;
inputPort.ProducerPort = newPort;
RebuildDataConnection(outputPort, newPort);
}
}
}
