コード例 #1
0
        protected override void OnGUI_Internal(Rect rect, SerializedProperty property, GUIContent label)
        {
            // If this is not used on an enum, show an error
            if (property.propertyType == SerializedPropertyType.Enum)
            {
                // By manually creating the control ID, we can keep the ID for the
                // label and button the same. This lets them be selected together
                // with the keyboard in the inspector, much like a normal popup.
                if (idHash == 0)
                {
                    idHash = "SearchableEnumAttributeDrawer".GetHashCode();
                }
                int id = GUIUtility.GetControlID(idHash, FocusType.Keyboard, rect);

                label = EditorGUI.BeginProperty(rect, label, property);
                rect  = EditorGUI.PrefixLabel(rect, id, label);

                GUIContent buttonText =
                    new GUIContent(property.enumDisplayNames[property.enumValueIndex]);
                if (DropdownButton(id, rect, buttonText))
                {
                    Action <int> onSelect = i =>
                    {
                        property.enumValueIndex = i;
                        property.serializedObject.ApplyModifiedProperties();
                    };

                    SearchablePopup.Show(rect, property.enumDisplayNames,
                                         property.enumValueIndex, onSelect);
                }
            }
            else
            {
                string message = $"{nameof(SearchableEnumAttribute)} supports only enum fields";
                DrawDefaultPropertyAndHelpBox(rect, property, message, MessageType.Warning);
            }
        }