【a】XNode

Assets/10.XNode/Scripts/Editor/Drawers/Odin/InputAttributeDrawer.cs

@@ -0,0 +1,49 @@
+#if UNITY_EDITOR && ODIN_INSPECTOR
+using Sirenix.OdinInspector;
+using Sirenix.OdinInspector.Editor;
+using Sirenix.Utilities.Editor;
+using UnityEngine;
+using XNode;
+
+namespace XNodeEditor {
+	public class InputAttributeDrawer : OdinAttributeDrawer<XNode.Node.InputAttribute> {
+		protected override bool CanDrawAttributeProperty(InspectorProperty property) {
+			Node node = property.Tree.WeakTargets[0] as Node;
+			return node != null;
+		}
+
+		protected override void DrawPropertyLayout(GUIContent label) {
+			Node node = Property.Tree.WeakTargets[0] as Node;
+			NodePort port = node.GetInputPort(Property.Name);
+
+			if (!NodeEditor.inNodeEditor) {
+				if (Attribute.backingValue == XNode.Node.ShowBackingValue.Always || Attribute.backingValue == XNode.Node.ShowBackingValue.Unconnected && !port.IsConnected)
+					CallNextDrawer(label);
+				return;
+			}
+
+			if (Property.Tree.WeakTargets.Count > 1) {
+				SirenixEditorGUI.WarningMessageBox("Cannot draw ports with multiple nodes selected");
+				return;
+			}
+
+			if (port != null) {
+				var portPropoerty = Property.Tree.GetUnityPropertyForPath(Property.UnityPropertyPath);
+				if (portPropoerty == null) {
+					SirenixEditorGUI.ErrorMessageBox("Port property missing at: " + Property.UnityPropertyPath);
+					return;
+				} else {
+					var labelWidth = Property.GetAttribute<LabelWidthAttribute>();
+					if (labelWidth != null)
+						GUIHelper.PushLabelWidth(labelWidth.Width);
+
+					NodeEditorGUILayout.PropertyField(portPropoerty, label == null ? GUIContent.none : label, true, GUILayout.MinWidth(30));
+
+					if (labelWidth != null)
+						GUIHelper.PopLabelWidth();
+				}
+			}
+		}
+	}
+}
+#endif