问自定义内联窗体上的raw_id字段查询

EN

from django.admin import widgets

class ItemSubRecipeRawIdWidget(widgets.ForeignKeyRawIdWidget):
    def url_parameters(self):
        res = super(ItemSubRecipeRawIdWidget, self).url_parameters()
        # DO YOUR CUSTOM FILTERING HERE!
        res['active'] = True  # here I filter on recipe.active==True
        return res

class ItemSubRecipeInline(admin.TabularInline):
    def formfield_for_foreignkey(self, db_field, request=None, **kwargs):
        field = super(ItemSubRecipeInline, self).formfield_for_foreignkey(db_field, request, **kwargs)
        if db_field.name == 'recipe':
            field.widget = ItemSubRecipeRawIdWidget(rel=ItemSubRecipe._meta.get_field('recipe').rel, admin_site=site)
        return field

class ItemSubRecipeInline(admin.TabularInline):
    def formfield_for_foreignkey(self, db_field, request=None, **kwargs):
        field = super(ItemSubRecipeInline, self).formfield_for_foreignkey(db_field, request, **kwargs)
        if db_field.name == 'recipe':
            field.widget.rel.limit_choices_to = {'your_field_to_filter': True}
        return field