85 lines
3.3 KiB
C#
85 lines
3.3 KiB
C#
using System.Linq;
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using UnityEditor;
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using UnityEditor.Experimental.GraphView;
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namespace Misaki.GraphView.Editor
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{
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public partial class GraphView
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{
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private GraphViewChange OnGraphViewChanged(GraphViewChange graphViewChange)
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{
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if (graphViewChange.elementsToRemove != null)
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{
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var removedElements = graphViewChange.elementsToRemove;
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Undo.RecordObject(_graphObject, "Remove elements");
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for (var i = removedElements.Count - 1; i >= 0; i--)
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{
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if (removedElements[i] is Node { userData: DataNode node })
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{
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RemoveNode(node);
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}
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if (removedElements[i] is StickyNote { userData: StickyNoteData stickyNote })
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{
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RemoveStickyNote(stickyNote);
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}
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if (removedElements[i] is Edge edge)
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{
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if (_slotConnections.Remove(edge, out var connection))
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{
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var inputNode = _graphObject.GetNode(connection.InputSlotData.nodeID);
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var outputNode = _graphObject.GetNode(connection.OutputSlotData.nodeID);
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if (inputNode is ISlotContainer inputSlotContainer && outputNode is ISlotContainer outputSlotContainer)
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{
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var inputSlot = inputSlotContainer.GetSlot(connection.InputSlotData.slotIndex, connection.InputSlotData.direction);
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var outputSlot = outputSlotContainer.GetSlot(connection.OutputSlotData.slotIndex, connection.OutputSlotData.direction);
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inputSlot.Unlink(outputSlot);
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}
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RemoveConnection(connection);
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}
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}
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}
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}
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// if (graphViewChange.movedElements != null)
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// {
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// var movedElements = graphViewChange.movedElements;
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// Undo.RecordObject(_graphObject, $"Move {movedElements.FirstOrDefault()?.GetType().Name}");
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//
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// foreach (var element in graphViewChange.movedElements)
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// {
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// element.SetPosition(element.GetPosition());
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// }
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// }
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if (graphViewChange.edgesToCreate != null)
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{
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var createdEdges = graphViewChange.edgesToCreate;
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Undo.RecordObject(_graphObject, $"Connect {createdEdges.FirstOrDefault()?.GetType().Name}");
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foreach (var edge in createdEdges)
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if (edge.input.userData is Slot inputSlot && edge.output.userData is Slot outputSlot)
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{
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var connection = new SlotConnection(inputSlot.slotData, outputSlot.slotData);
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_slotConnections.Add(edge, connection);
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outputSlot.Link(inputSlot);
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AddConnection(connection);
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}
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}
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_graphObject.SetGraphTransform(viewTransform);
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_graphViewConfig.serializedObject.Update();
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EditorUtility.SetDirty(_graphObject);
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return graphViewChange;
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}
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}
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}
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