protected override void OnGUI_Internal(Rect rect, SerializedProperty property, GUIContent label)
{
EditorGUI.BeginProperty(rect, label, property);
System.Type propertyType = PropertyUtility.GetPropertyType(property);
if (typeof(ScriptableObject).IsAssignableFrom(propertyType))
{
ScriptableObject scriptableObject = property.objectReferenceValue as ScriptableObject;
if (scriptableObject == null)
{
EditorGUI.PropertyField(rect, property, label, false);
}
else
{
// Draw a foldout
Rect foldoutRect = new Rect()
{
x = rect.x,
y = rect.y,
width = EditorGUIUtility.labelWidth,
height = EditorGUIUtility.singleLineHeight
};
property.isExpanded = EditorGUI.Foldout(foldoutRect, property.isExpanded, label, toggleOnLabelClick: true);
// Draw the scriptable object field
float indentLength = ExternalCustomEditorGUI.GetIndentLength(rect);
float labelWidth = EditorGUIUtility.labelWidth - indentLength + ExternalCustomEditorGUI.HorizontalSpacing;
Rect propertyRect = new Rect()
{
x = rect.x + labelWidth,
y = rect.y,
width = rect.width - labelWidth,
height = EditorGUIUtility.singleLineHeight
};
EditorGUI.BeginChangeCheck();
property.objectReferenceValue = EditorGUI.ObjectField(propertyRect, GUIContent.none, property.objectReferenceValue, propertyType, false);
if (EditorGUI.EndChangeCheck())
{
property.serializedObject.ApplyModifiedProperties();
}
// Draw the child properties
if (property.isExpanded)
{
DrawChildProperties(rect, property);
}
}
}
else
{
string message = $"{typeof(ExpandableAttribute).Name} can only be used on scriptable objects";
DrawDefaultPropertyAndHelpBox(rect, property, message, MessageType.Warning);
}
EditorGUI.EndProperty();
}
protected override float GetPropertyHeight_Internal(SerializedProperty property, GUIContent label)
{
System.Type propertyType = PropertyUtility.GetPropertyType(property);
if (typeof(ScriptableObject).IsAssignableFrom(propertyType))
{
ScriptableObject scriptableObject = property.objectReferenceValue as ScriptableObject;
if (scriptableObject == null)
{
return(GetPropertyHeight(property));
}
if (property.isExpanded)
{
using (SerializedObject serializedObject = new SerializedObject(scriptableObject))
{
float totalHeight = EditorGUIUtility.singleLineHeight;
using (var iterator = serializedObject.GetIterator())
{
if (iterator.NextVisible(true))
{
do
{
SerializedProperty childProperty = serializedObject.FindProperty(iterator.name);
if (childProperty.name.Equals("m_Script", System.StringComparison.Ordinal))
{
continue;
}
bool visible = PropertyUtility.IsVisible(childProperty);
if (!visible)
{
continue;
}
float height = GetPropertyHeight(childProperty);
totalHeight += height;
}while (iterator.NextVisible(false));
}
}
totalHeight += EditorGUIUtility.standardVerticalSpacing;
return(totalHeight);
}
}
else
{
return(GetPropertyHeight(property));
}
}
else
{
return(GetPropertyHeight(property) + GetHelpBoxHeight());
}
}
private Object GetAssignableObject(Object obj, ReorderableList list)
{
System.Type listType = PropertyUtility.GetPropertyType(list.serializedProperty);
System.Type elementType = ReflectionUtility.GetListElementType(listType);
if (elementType == null)
{
return(null);
}
System.Type objType = obj.GetType();
if (elementType.IsAssignableFrom(objType))
{
return(obj);
}
if (objType == typeof(GameObject))
{
if (typeof(Transform).IsAssignableFrom(elementType))
{
Transform transform = ((GameObject)obj).transform;
if (elementType == typeof(RectTransform))
{
RectTransform rectTransform = transform as RectTransform;
return(rectTransform);
}
else
{
return(transform);
}
}
else if (typeof(MonoBehaviour).IsAssignableFrom(elementType))
{
return(((GameObject)obj).GetComponent(elementType));
}
}
return(null);
}