Add NullableBooleanInput (#792)

Author: Dreamsorcerer

admin-js/src/App.js

@@ -14,7 +14,8 @@ import {
     BooleanField, DateField, NumberField, ReferenceField, ReferenceManyField,
     ReferenceOneField, SelectField, TextField,
     // Inputs
-    BooleanInput, DateInput, DateTimeInput, NumberInput, SelectInput, TextInput,
+    BooleanInput, DateInput, DateTimeInput, NullableBooleanInput, NumberInput,
+    SelectInput, TextInput,
     TimeInput as _TimeInput, ReferenceInput as _ReferenceInput,
     // Filters
     email, maxLength, maxValue, minLength, minValue, regex, required,
@@ -65,8 +66,8 @@ const COMPONENTS = {
     BooleanField, DateField, NumberField, ReferenceField, ReferenceManyField,
     ReferenceOneField, SelectField, TextField, TimeField,
 
-    BooleanInput, DateInput, DateTimeInput, NumberInput, ReferenceInput, SelectInput,
-    TextInput, TimeInput
+    BooleanInput, DateInput, DateTimeInput, NullableBooleanInput, NumberInput,
+    ReferenceInput, SelectInput, TextInput, TimeInput
 };
 const FUNCTIONS = {email, maxLength, maxValue, minLength, minValue, regex, required};
 const _body = document.querySelector("body");

aiohttp_admin/backends/sqlalchemy.py

@@ -180,6 +180,9 @@ def __init__(self, db: AsyncEngine, model_or_table: Union[sa.Table, type[Declara
             else:
                 field, inp, props = get_components(c.type)
 
+            if inp == "BooleanInput" and c.nullable:
+                inp = "NullableBooleanInput"
+
             props["source"] = c.name
             if isinstance(c.type, sa.Enum):
                 props["choices"] = tuple({"id": e.value, "name": e.name}