private void UnserializeAndPasteImplementation(string operationName, string data)
{
Undo.RegisterCompleteObjectUndo(CodeGraph.Instance.GraphObject, operationName);
var pastedGraph = CopyPasteGraphData.FromJson(data);
this.InsertCopyPasteGraph(pastedGraph);
}
private string SerializeGraphElementsImplementation(IEnumerable <GraphElement> elements)
{
// var groups = elements.OfType<ShaderGroup>().Select(x => x.userData);
var nodes = elements.OfType <AbstractNode>().ToList();
var edges = elements.OfType <Edge>().ToList();
// var inputs = selection.OfType<BlackboardField>().Select(x => x.userData as ShaderInput);
// var notes = enumerable.OfType<StickyNote>().Select(x => x.userData);
// Collect the property nodes and get the corresponding properties
// var propertyNodeGuids = nodes.OfType<PropertyNode>().Select(x => x.propertyGuid);
// var metaProperties = this.graph.properties.Where(x => propertyNodeGuids.Contains(x.guid));
// Collect the keyword nodes and get the corresponding keywords
// var keywordNodeGuids = nodes.OfType<KeywordNode>().Select(x => x.keywordGuid);
// var metaKeywords = this.graph.keywords.Where(x => keywordNodeGuids.Contains(x.guid));
var assetGUID = AssetDatabase.AssetPathToGUID(CodeGraph.Instance.GraphObject.CodeGraphData.AssetPath);
var nodePositions = new Dictionary <string, Rect>();
foreach (var node in nodes)
{
nodePositions.Add(node.GUID, node.GetPosition());
}
var graph = new CopyPasteGraphData(assetGUID, nodes, nodePositions, edges);
return(JsonUtility.ToJson(graph, true));
}
public static void InsertCopyPasteGraph(this CodeGraphView graphView, CopyPasteGraphData copyGraph)
{
if (copyGraph == null)
{
return;
}
var nodeGuidMap = new Dictionary <string, string>();
var nodeGuidMapReverse = new Dictionary <string, string>();
var remappedNodes = new List <AbstractNode>();
foreach (var node in copyGraph.Nodes)
{
var oldGuid = node.GUID;
var newGuid = Guid.NewGuid().ToString();
nodeGuidMap[newGuid] = oldGuid;
nodeGuidMapReverse[oldGuid] = newGuid;
node.GUID = newGuid;
remappedNodes.Add(node);
}
// Compute the mean of the copied nodes.
var centroid = Vector2.zero;
var count = 1;
foreach (var node in remappedNodes)
{
var position = copyGraph.NodePositions[nodeGuidMap[node.GUID]].position;
centroid += (position - centroid) / count;
++count;
}
// Get the center of the current view
var viewCenter = graphView.contentViewContainer.WorldToLocal(graphView.layout.center);
foreach (var node in remappedNodes)
{
var positionRect = copyGraph.NodePositions[nodeGuidMap[node.GUID]];
var position = positionRect.position;
position += viewCenter - centroid;
positionRect.position = position;
node.SetPosition(positionRect);
}
remappedNodes.ForEach(graphView.AddElement);
copyGraph.Edges.ToList().ForEach(graphView.Add);
// Add new elements to selection
graphView.ClearSelection();
copyGraph.Edges.ToList().ForEach(graphView.AddToSelection);
remappedNodes.ForEach(graphView.AddToSelection);
}
