tests/admin_pages/test_form.py

@@ -2267,6 +2267,37 @@ def test_form_edit_field_advanced(pub):
     assert 'Are you sure you want to prefill' not in resp.text
 
 
+def test_form_edit_prefill_text(pub):
+    create_superuser(pub)
+    create_role(pub)
+
+    FormDef.wipe()
+    formdef = FormDef()
+    formdef.name = 'form title'
+    formdef.fields = [
+        fields.StringField(id='1', label='1st field'),
+        fields.TextField(id='2', label='2nd field'),
+    ]
+    formdef.store()
+
+    app = login(get_app(pub))
+    resp = app.get(formdef.get_admin_url() + 'fields/1/')
+    assert resp.pyquery('input[name="prefill$value_string"]')
+    resp.forms[0]['prefill$type'] = 'String / Template'
+    resp.forms[0]['prefill$value_string'] = 'xxx'
+    resp = resp.forms[0].submit('submit')
+    formdef.refresh_from_storage()
+    assert formdef.fields[0].prefill == {'type': 'string', 'locked': False, 'value': 'xxx'}
+
+    resp = app.get(formdef.get_admin_url() + 'fields/2/')
+    assert resp.pyquery('textarea[name="prefill$value_string"]')
+    resp.forms[0]['prefill$type'] = 'String / Template'
+    resp.forms[0]['prefill$value_string'] = 'yyy'
+    resp = resp.forms[0].submit('submit')
+    formdef.refresh_from_storage()
+    assert formdef.fields[1].prefill == {'type': 'string', 'locked': False, 'value': 'yyy'}
+
+
 def test_form_edit_field_display(pub):
     create_superuser(pub)
     create_role(pub)

wcs/fields/base.py

@@ -48,7 +48,7 @@ class SetValueError(Exception):
 
 
 class PrefillSelectionWidget(CompositeWidget):
-    def __init__(self, name, value=None, field=None, **kwargs):
+    def __init__(self, name, value=None, field=None, use_textarea=False, **kwargs):
         CompositeWidget.__init__(self, name, value, **kwargs)
 
         if not value:
@@ -87,7 +87,7 @@ class PrefillSelectionWidget(CompositeWidget):
 
         self.prefill_types = prefill_types = collections.OrderedDict(options)
         self.add(
-            StringWidget,
+            StringWidget if use_textarea is False else TextWidget,
             'value_string',
             size=80,
             value=value.get('value') if value.get('type') == 'string' else None,
@@ -830,6 +830,7 @@ class WidgetField(Field):
     display_locations = ['validation', 'summary']
     extra_attributes = []
     prefill = {}
+    prefill_selection_widget_kwargs = {}
 
     widget_class = None
     use_live_server_validation = False
@@ -948,6 +949,7 @@ class WidgetField(Field):
             value=self.prefill,
             advanced=True,
             field=self,
+            **self.prefill_selection_widget_kwargs,
         )
         form.add(
             ConditionWidget,

wcs/fields/text.py

@@ -45,6 +45,7 @@ class TextField(WidgetField):
     display_mode = 'plain'
     maxlength = None
     extra_attributes = ['cols', 'rows', 'maxlength']
+    prefill_selection_widget_kwargs = {'use_textarea': True}
 
     def migrate(self):
         changed = super().migrate()

wcs/qommon/static/css/dc2/admin.scss

@@ -1145,9 +1145,7 @@ div.ConditionWidget div.content select:focus {
 }
 
 div.ValidationWidget div.content input[type=text],
-div.DataSourceSelectionWidget div.content input[type=text],
-div.PrefillSelectionWidget div.content select[data-dynamic-display-child-of],
-div.PrefillSelectionWidget div.content input[type=text] {
+div.DataSourceSelectionWidget div.content input[type=text] {
 	max-width: 50%;
 	margin: 0 1ex;
 }
@@ -1166,6 +1164,14 @@ div.PrefillSelectionWidget div.content input[type=submit] {
 	}
 }
 
+.PrefillSelectionWidget {
+	.content {
+		display: flex;
+		align-items: baseline;
+		gap: 1em;
+	}
+}
+
 ul#field-filter,
 ul.columns-filter {
 	list-style: none;