public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
GT_DisableGroupBeginAttribute disableAttr = attribute as GT_DisableGroupBeginAttribute;
if (disableAttr.FieldName != null)
{
var field = property.serializedObject.FindProperty(disableAttr.FieldName);
bool parentEnable = true;
//Check if field name is correct, if not display help box
if (field == null)
{
EditorGUI.HelpBox(position, $"Field with name '{disableAttr.FieldName}' doesn't exist", MessageType.Error);
return;
}
if (disableAttr.ParentFieldName != null)
{
var parentField = property.serializedObject.FindProperty(disableAttr.ParentFieldName);
//Check if parent field name is correct, if not display help box
if (parentField == null)
{
EditorGUI.HelpBox(position, $"Parent field with name '{disableAttr.ParentFieldName}' doesn't exist", MessageType.Error);
return;
}
parentEnable = IsPropertySetToEnable(parentField, disableAttr);
}
bool enable = IsPropertySetToEnable(field, disableAttr);
switch (field.propertyType)
{
case SerializedPropertyType.Boolean:
EditorGUI.PropertyField(position, property);
break;
case SerializedPropertyType.ObjectReference:
DrawObjectReferenceControl(position, property, label, enable);
break;
default:
EditorGUI.HelpBox(position, $"Type of '{field.propertyType}' isn't supported", MessageType.Error);
break;
}
GUI.enabled = parentEnable ? enable : false;
}
else
{
GUI.enabled = false;
EditorGUI.PropertyField(position, property, label, true);
}
EditorGUI.BeginDisabledGroup(false);
}
private bool IsPropertySetToEnable(SerializedProperty field, GT_DisableGroupBeginAttribute disableAttr)
{
switch (field.propertyType)
{
case SerializedPropertyType.Boolean:
return(field.boolValue != disableAttr.Invert);
case SerializedPropertyType.ObjectReference:
return((field.objectReferenceValue == null) == disableAttr.Invert);
default:
return(true);
}
}