protected virtual void DrawTypeSelector(Rect rect)
{
var t = GetFieldType(true);
if (t.IsValueType == false)
{
var r = rect;
r.width -= EditorGUIUtility.labelWidth + 15;
r.x += EditorGUIUtility.labelWidth;
r.x += 15; // Indentation
if (required && value == null)
{
GUI.color = Color.red;
}
GUI.Button(r, new GUIContent(value == null ? "(empty)" : GetFieldTypeName(false)), "MiniPopup");
if (r.Contains(Event.current.mousePosition) && Event.current.type == EventType.Used)
{
var implementableTypes = ReflectionDrawerUtility.GetDerivedTypesFrom(GetFieldType(true), onlyDerivedTypesAttribute != null ? onlyDerivedTypesAttribute.type : null);
var n = new GenericMenu();
for (int i = 0; i < implementableTypes.types.Length; i++)
{
int index = i;
n.AddItem(implementableTypes.content[i], false, (obj) =>
{
ChangeImplementation(implementableTypes.types[index]);
Update();
}, implementableTypes.types[i]);
}
n.ShowAsContext();
Event.current.Use();
}
GUI.color = Color.white;
}
}
private void DrawArrayAddButton(Rect rect)
{
rect.height = EditorGUIUtility.singleLineHeight;
if (GUI.Button(rect, "Add type", "DropDownButton"))
{
var derivedTypeInfo = ReflectionDrawerUtility.GetDerivedTypesFrom(fieldInfo.FieldType.GetElementType(), onlyDerivedTypesAttribute != null ? onlyDerivedTypesAttribute.type : null);
var arrFieldType = fieldInfo.FieldType.GetElementType();
if (onlyDerivedTypesAttribute != null)
{
arrFieldType = onlyDerivedTypesAttribute.type;
}
rect.width -= 25;
if (rect.Contains(Event.current.mousePosition) && arrFieldType.IsAbstract == false && arrFieldType.IsInterface == false && ReflectionDrawerUtility.IsGenericTypeWithoutGenericArguments(arrFieldType) == false)
{
// Clicked left side
AddElement(arrFieldType);
Update();
}
else
{
// Clicked right side (pick implementation)
var n = new GenericMenu();
for (int i = 0; i < derivedTypeInfo.types.Length; i++)
{
n.AddItem(derivedTypeInfo.content[i], false, (obj) =>
{
AddElement((Type)obj);
Update();
}, derivedTypeInfo.types[i]);
}
n.ShowAsContext();
Event.current.Use();
}
}
}