feat: choices support in ArrayWidget (#547)

src/unfold/contrib/forms/templates/unfold/forms/array.html

@@ -15,7 +15,9 @@
 
     <template x-for="(item, index) in items" :key="item.key">
         <div class="flex flex-row">
-            {% include template.template_name with widget=template %}
+            {% with widget=template %}
+                {% include template.template_name %}
+            {% endwith %}
 
             <a x-on:click="items.splice(index, 1)" class="bg-white border cursor-pointer flex items-center h-9.5 justify-center ml-2 rounded shadow-sm shrink-0 text-red-600 text-sm w-9.5 dark:bg-gray-900 dark:border-gray-700 dark:text-red-500">
                 <span class="material-symbols-outlined text-sm">delete</span>

src/unfold/contrib/forms/widgets.py

@@ -4,7 +4,11 @@
 from django.forms import MultiWidget, Widget
 from django.http import QueryDict
 from django.utils.datastructures import MultiValueDict
-from unfold.widgets import PROSE_CLASSES, UnfoldAdminTextInputWidget
+from unfold.widgets import (
+    PROSE_CLASSES,
+    UnfoldAdminSelectWidget,
+    UnfoldAdminTextInputWidget,
+)
 
 WYSIWYG_CLASSES = [
     *PROSE_CLASSES,
@@ -27,19 +31,26 @@
 
 class ArrayWidget(MultiWidget):
     template_name = "unfold/forms/array.html"
-    widget_class = UnfoldAdminTextInputWidget
 
     def __init__(self, *args: Any, **kwargs: Any) -> None:
-        widgets = [self.widget_class]
+        if "choices" in kwargs:
+            self.choices = kwargs["choices"]
+
+        widgets = [self.get_widget_instance()]
         super().__init__(widgets)
 
+    def get_widget_instance(self) -> Any:
+        if hasattr(self, "choices"):
+            return UnfoldAdminSelectWidget(choices=self.choices)
+
+        return UnfoldAdminTextInputWidget()
+
     def get_context(self, name: str, value: str, attrs: Dict) -> Dict:
         self._resolve_widgets(value)
         context = super().get_context(name, value, attrs)
-        template_widget = UnfoldAdminTextInputWidget()
-        template_widget.name = name
-
-        context.update({"template": template_widget})
+        context.update(
+            {"template": self.get_widget_instance().get_context(name, "", {})["widget"]}
+        )
         return context
 
     def value_from_datadict(
@@ -71,12 +82,12 @@ def _resolve_widgets(self, value: Optional[Union[List, str]]) -> None:
             value = []
 
         elif isinstance(value, List):
-            self.widgets = [self.widget_class for item in value]
+            self.widgets = [self.get_widget_instance() for item in value]
         else:
-            self.widgets = [self.widget_class for item in value.split(",")]
+            self.widgets = [self.get_widget_instance() for item in value.split(",")]
 
         self.widgets_names = ["" for i in range(len(self.widgets))]
-        self.widgets = [w() if isinstance(w, type) else w for w in self.widgets]
+        self.widgets = [w if isinstance(w, type) else w for w in self.widgets]
 
 
 class WysiwygWidget(Widget):