By default set open filter for Round listing page's index URL

opentech/apply/funds/admin.py

@@ -14,6 +14,7 @@ from .admin_helpers import (
     FormsFundRoundListFilter,
     RoundStateListFilter,
     RoundFundChooserView,
+    RoundAdminURLHelper,
     ApplicationFormButtonHelper,
 )
 from .admin_views import CopyApplicationFormViewClass
@@ -34,6 +35,7 @@ class RoundAdmin(BaseRoundAdmin):
     menu_icon = 'repeat'
     list_display = ('title', 'fund', 'start_date', 'end_date', 'applications', 'review_forms')
     list_filter = (RoundStateListFilter,)
+    url_helper_class = RoundAdminURLHelper
 
     def applications(self, obj):
 

opentech/apply/funds/admin_helpers.py

+from urllib.parse import urlencode
+
 from django import forms
 from django.contrib import admin
 from django.urls import reverse
+from django.utils.functional import cached_property
 from django.utils.translation import ugettext as _
 
 from wagtail.contrib.modeladmin.forms import ParentChooserForm
-from wagtail.contrib.modeladmin.helpers import PageButtonHelper, ButtonHelper
+from wagtail.contrib.modeladmin.helpers import PageAdminURLHelper, PageButtonHelper, ButtonHelper
 from wagtail.contrib.modeladmin.views import ChooseParentView
 from wagtail.core.models import Page
 
@@ -122,3 +125,11 @@ class ApplicationFormButtonHelper(ButtonHelper):
         buttons.append(copy_form_button)
 
         return buttons
+
+
+class RoundAdminURLHelper(PageAdminURLHelper):
+    @cached_property
+    def index_url(self):
+        # By default set open filter for Round listing page's index URL
+        params = {'form-state': 'open'}
+        return f"{self.get_action_url('index')}?{urlencode(params)}"