protected override float GetPropertyHeight_Internal(SerializedProperty property, GUIContent label)
{
DropdownConstantsAttribute dropdownAttribute = (DropdownConstantsAttribute)attribute;
Type selectFromType = dropdownAttribute.SelectFromType;
FieldInfo fieldInfo = ReflectionUtility.GetField(PropertyUtility.GetTargetObjectWithProperty(property), property.name);
float propertyHeight = AreValuesValid(selectFromType, fieldInfo)
? GetPropertyHeight(property)
: GetPropertyHeight(property) + GetHelpBoxHeight();
return(propertyHeight);
}
protected override void OnGUI_Internal(Rect rect, SerializedProperty property, GUIContent label)
{
EditorGUI.BeginProperty(rect, label, property);
DropdownConstantsAttribute dropdownAttribute = (DropdownConstantsAttribute)attribute;
object target = PropertyUtility.GetTargetObjectWithProperty(property);
Type selectFromType = dropdownAttribute.SelectFromType;
FieldInfo dropdownField = ReflectionUtility.GetField(target, property.name);
if (AreValuesValid(selectFromType, dropdownField))
{
var searchFlags = BindingFlags.Public | BindingFlags.Static | BindingFlags.FlattenHierarchy;
var allPublicStaticFields = dropdownAttribute.SelectFromType.GetFields(searchFlags);
var allPublicStaticProperties = dropdownAttribute.SelectFromType.GetProperties(searchFlags);
// IsLiteral determines if its value is written at compile time and not changeable
// IsInitOnly determines if the field can be set in the body of the constructor
// for C# a field which is readonly keyword would have both true but a const field would have only IsLiteral equal to true
foreach (FieldInfo field in allPublicStaticFields)
{
if ((field.IsInitOnly || field.IsLiteral) && field.FieldType == selectFromType)
{
_constants.Add(field);
}
}
foreach (var prop in allPublicStaticProperties)
{
if (prop.PropertyType == selectFromType)
{
_constants.Add(prop);
}
}
if (IsNullOrEmpty(_constants))
{
return;
}
string[] names = new string[_constants.Count];
object[] values = new object[_constants.Count];
for (var i = 0; i < _constants.Count; i++)
{
names[i] = _constants[i].Name;
values[i] = GetValue(i);
}
// Selected value
object selectedValue = dropdownField.GetValue(target);
int selectedValueIndex = -1;
bool valueFound = false;
if (selectedValue != null)
{
for (var i = 0; i < values.Length; i++)
{
if (selectedValue.Equals(values[i]))
{
valueFound = true;
selectedValueIndex = i;
}
}
}
if (!valueFound)
{
names = InsertAt(names, 0);
values = InsertAt(values, 0);
var actualValue = selectedValue;
var value = actualValue != null ? actualValue : "NULL";
names[0] = "NOT FOUND: " + value;
values[0] = actualValue;
}
NaughtyEditorGUI.Dropdown(
rect, property.serializedObject, target, dropdownField, label.text, selectedValueIndex, values, names);
}
else
{
string message =
$"Invalid values provided to '{dropdownAttribute.GetType().Name}'. The types of the target field and the type provided to the attribute don't match";
DrawDefaultPropertyAndHelpBox(rect, property, message, MessageType.Warning);
}
EditorGUI.EndProperty();
}
