private void PopulateEntries(ClassTypeParentAttribute attr)
{
if (entries.Count == 0)
{
if (attr == null)
{
foreach (Type t in TypeHelper.NonSystemicTypes)
{
if (t.IsClass)
{
entries.Add(t.ToString());
}
}
}
else
{
Type type = attr.Type;
var types = AppDomain.CurrentDomain.GetAssemblies()
.SelectMany(s => s.GetTypes())
.Where(p => type.IsAssignableFrom(p) && ((p.IsAbstract && attr.allowAbstract) || !p.IsAbstract) && p.IsClass);
entries.Add("None");
tEntries.Add(null);
foreach (Type t in types)
{
if (t.IsClass)
{
entries.Add(t.ToString());
tEntries.Add(t);
}
}
}
}
}
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
EditorGUI.BeginProperty(position, label, property);
position = EditorGUI.PrefixLabel(position, GUIUtility.GetControlID(FocusType.Passive), label);
// Don't make child fields be indented
var indent = EditorGUI.indentLevel;
EditorGUI.indentLevel = 0;
Rect main = new Rect(position.x, position.y, position.width, position.height);
ClassTypeParentAttribute attr = null;
object[] attributes = fieldInfo.GetCustomAttributes(typeof(ClassTypeParentAttribute), false);
if (attributes.Length > 0)
{
attr = (ClassTypeParentAttribute)attributes.First();
List <Type> types = new List <Type>();
PopulateEntries(attr);
int index = GetIndexOfType(property);
int newIndex = EditorGUI.Popup(main, index, entries.ToArray());
if (index != newIndex)
{
Type t = tEntries[newIndex];
property.FindPropertyRelative("_classRef").stringValue = ClassTypeReference.GetClassRef(t);
}
}
else
{
EditorGUI.LabelField(main, "Please use ClassTypeParentAttribute");
}
// Set indent back to what it was
EditorGUI.indentLevel = indent;
EditorGUI.EndProperty();
}
