select.html form snippet and choices

README.md

@@ -147,7 +147,8 @@ you added to your that aren't handled by this extension.
 This extension includes the following form snippets:
 
 * [text.html](ckanext/scheming/templates/scheming/form_snippets/text.html) -
-  a simple text field for free-form text or numbers (default)
+  a simple text field for free-form text or numbers (default when no
+  choices list is given)
 * [large_text.html](ckanext/scheming/templates/scheming/form_snippets/large_text.html) -
   a larger text field, typically used for the title
 * [slug.html](ckanext/scheming/templates/scheming/form_snippets/slug.html) -
@@ -160,6 +161,8 @@ This extension includes the following form snippets:
   an organization selection field for datasets
 * [upload.html](ckanext/scheming/templates/scheming/form_snippets/upload.html) -
   an upload field for resource files
+* [select.html](ckanext/scheming/templates/scheming/form_snippets/select.html) -
+  a select box (default when choices list is given)
 
 
 ### `display_snippet`

ckanext/scheming/camel_photos.json

@@ -24,6 +24,32 @@
       "validators": "ignore_missing int_validator",
       "form_placeholder": "eg. 2"
     },
+    {
+      "field_name": "class",
+      "label": "Class",
+      "choices": [
+        {
+          "value": "bactrian",
+          "label": "Bactrian Camel"
+        },
+        {
+          "value": "hybrid",
+          "label": "Hybrid Camel"
+        },
+        {
+          "value": "f2hybrid",
+          "label": "F2 Hybrid Camel"
+        },
+        {
+          "value": "snowwhite",
+          "label": "Snow-white Dromedary"
+        },
+        {
+          "value": "black",
+          "label": "Black Camel"
+        }
+      ]
+    },
     {
       "field_name": "other",
       "label": {"en": "Other information"},

ckanext/scheming/templates/scheming/form_snippets/select.html

@@ -0,0 +1,20 @@
+{% import 'macros/form.html' as form %}
+
+{%- set options=[] -%}
+{%- for c in field.choices -%}
+    {% do options.append({
+        'value': c.value,
+        'text': h.scheming_language_text(c.label)}) %}
+{%- endfor -%}
+
+{{ form.select(
+    field.field_name,
+    id='field-' + field.field_name,
+    label=h.scheming_language_text(field.label),
+    options=options,
+    selected=data[field.field_name],
+    error=errors[field.field_name],
+    classes=['control-medium'],
+    attrs=field.form_attrs if 'form_attrs' in field else {},
+    is_required=h.scheming_field_required(field)
+    ) }}

ckanext/scheming/templates/scheming/snippets/form_field.html

@@ -4,7 +4,11 @@
 {%- set form_snippet = field.form_snippet -%}
 
 {%- if not form_snippet -%}
-  {%- set form_snippet = 'text.html' -%}
+  {%- if 'choices' in field -%}
+    {%- set form_snippet = 'select.html' -%}
+  {%- else -%}
+    {%- set form_snippet = 'text.html' -%}
+  {%- endif -%}
 {%- endif -%}
 
 {%- if '/' not in form_snippet -%}