feat: django-money support (#118)

src/unfold/admin.py

@@ -58,6 +58,7 @@
     UnfoldAdminImageSmallFieldWidget,
     UnfoldAdminIntegerFieldWidget,
     UnfoldAdminIntegerRangeWidget,
+    UnfoldAdminMoneyWidget,
     UnfoldAdminNullBooleanSelectWidget,
     UnfoldAdminSingleDateWidget,
     UnfoldAdminSingleTimeWidget,
@@ -75,6 +76,13 @@
 except ImportError:
     HAS_PSYCOPG = False
 
+try:
+    from djmoney.models.fields import MoneyField
+
+    HAS_MONEY = True
+except ImportError:
+    HAS_MONEY = False
+
 checkbox = forms.CheckboxInput({"class": "action-select"}, lambda value: False)
 
 FORMFIELD_OVERRIDES = {
@@ -108,6 +116,13 @@
         }
     )
 
+if HAS_MONEY:
+    FORMFIELD_OVERRIDES.update(
+        {
+            MoneyField: {"widget": UnfoldAdminMoneyWidget},
+        }
+    )
+
 FORMFIELD_OVERRIDES_INLINE = copy.deepcopy(FORMFIELD_OVERRIDES)
 
 FORMFIELD_OVERRIDES_INLINE.update(

src/unfold/templates/unfold/widgets/split_money.html

@@ -0,0 +1,13 @@
+<div class="flex flex-row gap-2 max-w-2xl">
+    <div class="w-2/3">
+        {% with widget=widget.subwidgets.0 %}
+            {% include widget.template_name %}
+        {% endwith %}
+    </div>
+
+    <div class="w-1/3">
+        {% with widget=widget.subwidgets.1 %}
+            {% include widget.template_name %}
+        {% endwith %}
+    </div>
+</div>

src/unfold/widgets.py

@@ -12,9 +12,11 @@
     AdminTimeWidget,
     AdminUUIDInputWidget,
 )
-from django.forms import MultiWidget, NullBooleanSelect, NumberInput
+from django.forms import MultiWidget, NullBooleanSelect, NumberInput, Select
 from django.utils.translation import gettext_lazy as _
 
+from .exceptions import UnfoldException
+
 LABEL_CLASSES = [
     "block",
     "font-medium",
@@ -84,7 +86,13 @@
     "h-full",
 ]
 
-SELECT_CLASSES = [*BASE_INPUT_CLASSES, "pr-8", "max-w-2xl", "appearance-none"]
+SELECT_CLASSES = [
+    *BASE_INPUT_CLASSES,
+    "pr-8",
+    "max-w-2xl",
+    "appearance-none",
+    "truncate",
+]
 
 PROSE_CLASSES = [
     "font-normal",
@@ -287,3 +295,32 @@ def __init__(self, attrs: Optional[Dict[str, Any]] = None) -> None:
 
 class UnfoldAdminNullBooleanSelectWidget(NullBooleanSelect):
     pass
+
+
+class UnfoldAdminSelect(Select):
+    def __init__(self, attrs=None, choices=()):
+        if attrs is None:
+            attrs = {}
+
+        attrs["class"] = " ".join(SELECT_CLASSES)
+        super().__init__(attrs, choices)
+
+
+try:
+    from djmoney.forms.widgets import MoneyWidget
+    from djmoney.settings import CURRENCY_CHOICES
+
+    class UnfoldAdminMoneyWidget(MoneyWidget):
+        template_name = "unfold/widgets/split_money.html"
+
+        def __init__(self, *args, **kwargs):
+            super().__init__(
+                amount_widget=UnfoldAdminTextInputWidget,
+                currency_widget=UnfoldAdminSelect(choices=CURRENCY_CHOICES),
+            )
+
+except ImportError:
+
+    class UnfoldAdminMoneyWidget:
+        def __init__(self, *args, **kwargs):
+            raise UnfoldException("django-money not installed")