public string UpdateNodesPositions(string jsonGraph, StudioGraph graph)
{
dynamic experimentDag = jss.Deserialize <object>(jsonGraph);
List <string> regularNodes = ExtractNodesFromXml(experimentDag["Graph"]["SerializedClientData"]);
List <string> webServiceNodes = ExtractNodesFromXml(experimentDag["WebService"]["SerializedClientData"]);
StringBuilder newPositions = new StringBuilder();
if (regularNodes.Count > 0)
{
foreach (var node in graph.Nodes.Where(n => regularNodes.Contains(n.Id)))
{
newPositions.Append("<NodePosition Node='" + node.Id + "' Position='" + node.CenterX + "," + node.CenterY + "," + node.Width + "," + node.Height + "'/>");
}
string oldPositions = Regex.Match(experimentDag["Graph"]["SerializedClientData"].ToString(), "<NodePositions>(.*)</NodePositions>").Groups[1].Value;
jsonGraph = jsonGraph.Replace(oldPositions, newPositions.ToString());
}
if (webServiceNodes.Count > 0)
{
newPositions.Clear();
foreach (var node in graph.Nodes.Where(n => webServiceNodes.Contains(n.Id)))
{
newPositions.Append("<NodePosition Node='" + node.Id + "' Position='" + node.CenterX + "," + node.CenterY + "," + node.Width + "," + node.Height + "'/>");
}
string oldPositions = Regex.Match(experimentDag["WebService"]["SerializedClientData"].ToString(), "<NodePositions>(.*)</NodePositions>").Groups[1].Value;
jsonGraph = jsonGraph.Replace(oldPositions, newPositions.ToString());
}
return(jsonGraph);
}
public string AutoLayoutGraph(string jsonGraph)
{
StudioGraph sg = CreateStudioGraph(jss.Deserialize <object>(jsonGraph));
HttpResult hr = Util.HttpPost(GraphLayoutApi + "AutoLayout", jss.Serialize(sg)).Result;
if (hr.IsSuccess)
{
sg = jss.Deserialize <StudioGraph>(hr.Payload);
string serializedGraph = jss.Serialize(sg);
jsonGraph = UpdateNodesPositions(jsonGraph, sg);
return(jsonGraph);
}
throw new AmlRestApiException(hr);
}
private void InsertNodesIntoGraph(dynamic dag, StudioGraph graph, string section)
{
string nodePositions = dag[section]["SerializedClientData"];
List <string> nodes = ExtractNodesFromXml(nodePositions);
foreach (var nodeId in nodes)
{
graph.Nodes.Add(new StudioGraphNode
{
Id = nodeId,
Width = 300,
Height = 100,
UserData = nodeId
});
}
}
private StudioGraph CreateStudioGraph(dynamic dag)
{
StudioGraph graph = new StudioGraph();
InsertNodesIntoGraph(dag, graph, "Graph");
InsertNodesIntoGraph(dag, graph, "WebService");
// dataset nodes are treated differently because they don't show in the EdgesInternal section.
Dictionary <string, string> datasetNodes = new Dictionary <string, string>();
foreach (var moduleNode in dag["Graph"]["ModuleNodes"])
{
string nodeId = moduleNode["Id"];
foreach (var inputPort in moduleNode["InputPortsInternal"])
{
if (inputPort["DataSourceId"] != null && !datasetNodes.Keys.Contains(nodeId)) // this is a dataset node
{
datasetNodes.Add(nodeId, inputPort["DataSourceId"].ToString());
}
}
}
// normal edges
foreach (dynamic edge in dag["Graph"]["EdgesInternal"])
{
string sourceOutputPort = edge["SourceOutputPortId"].ToString();
string destInputPort = edge["DestinationInputPortId"].ToString();
string sourceNode = (sourceOutputPort.Split(':')[0]);
string destNode = (destInputPort.Split(':')[0]);
graph.Edges.Add(new StudioGraphEdge
{
DestinationNode = graph.Nodes.Single(n => n.Id == destNode),
SourceNode = graph.Nodes.Single(n => n.Id == sourceNode)
});
}
// dataset edges
foreach (string nodeId in datasetNodes.Keys)
{
graph.Edges.Add(new StudioGraphEdge {
DestinationNode = graph.Nodes.Single(n => n.Id == nodeId),
SourceNode = graph.Nodes.Single(n => n.Id == datasetNodes[nodeId])
}
);
}
if (dag["WebService"] != null)
{
// web service input edges
if (dag["WebService"]["Inputs"] != null)
{
foreach (var webSvcInput in dag["WebService"]["Inputs"])
{
if (webSvcInput["PortId"] != null)
{
string webSvcModuleId = webSvcInput["Id"].ToString();
string connectedModuleId = webSvcInput["PortId"].ToString().Split(':')[0];
graph.Edges.Add(new StudioGraphEdge
{
DestinationNode = graph.Nodes.Single(n => n.Id == connectedModuleId),
SourceNode = graph.Nodes.Single(n => n.Id == webSvcModuleId)
});
}
}
}
// web service output edges
if (dag["WebService"]["Outputs"] != null)
{
foreach (var webSvcOutput in dag["WebService"]["Outputs"])
{
if (webSvcOutput["PortId"] != null)
{
string webSvcModuleId = webSvcOutput["Id"].ToString();
string connectedModuleId = webSvcOutput["PortId"].ToString().Split(':')[0];
graph.Edges.Add(new StudioGraphEdge
{
DestinationNode = graph.Nodes.Single(n => n.Id == webSvcModuleId),
SourceNode = graph.Nodes.Single(n => n.Id == connectedModuleId)
});
}
}
}
}
return(graph);
}
