beams: convert cf to vocabulary

app_data/vocabularies.yaml

@@ -23,4 +23,7 @@ departments:
   data-file: vocabularies/departments.yaml
 accelerators:
   pid-type: acc
-  data-file: vocabularies/accelerators.yaml
+  data-file: vocabularies/accelerators.yaml
+beams:
+  pid-type: bea
+  data-file: vocabularies/beams.yaml

app_data/vocabularies/beams.yaml

@@ -0,0 +1,54 @@
+- id: X5
+  title:
+    en: X5
+- id: H2
+  title:
+    en: H2
+- id: M2
+  title:
+    en: M2
+- id: H2-VLE
+  title:
+    en: H2-VLE
+- id: H8
+  title:
+    en: H8
+- id: T9
+  title:
+    en: T9
+- id: T7
+  title:
+    en: T7
+- id: T11
+  title:
+    en: T11
+- id: X1
+  title:
+    en: X1
+- id: T10
+  title:
+    en: T10
+- id: T8
+  title:
+    en: T8
+- id: K12
+  title:
+    en: K12
+- id: H4-VLE
+  title:
+    en: H4-VLE
+- id: T4
+  title:
+    en: T4
+- id: H6
+  title:
+    en: H6
+- id: H4
+  title:
+    en: H4
+- id: X3
+  title:
+    en: X3
+- id: X7
+  title:
+    en: X7

invenio.cfg

@@ -316,7 +316,12 @@ RDM_CUSTOM_FIELDS = [
     KeywordCF(name="cern:projects", multiple=True),
     KeywordCF(name="cern:facilities", multiple=True),
     KeywordCF(name="cern:studies", multiple=True),
-    KeywordCF(name="cern:beams", multiple=True),
+    VocabularyCF(
+        name="cern:beams",
+        vocabulary_id="beams",
+        dump_options=True,
+        multiple=True,
+    )
 ]
 
 THEME_MATHJAX_CDN = (
@@ -372,16 +377,22 @@ RDM_CUSTOM_FIELDS_UI = [
             ),
             dict(
                 field="cern:beams",
-                ui_widget="MultiInput",
+                ui_widget="Dropdown",
                 props=dict(
-                    label=_("Beams"),
+                    label="Beam",
+                    icon="bullseye",
+                    description="Please select a recognised beam from the list if applicable e.g H4, X7, T9 etc.",
+                    search=False,
+                    multiple=True,
+                    sort_by="title_sort",
+                    clearable=True,
                     type="text",
-                    description="You should fill this field with one of the beams e.g H4, X7, T9 etc.",
                     multiple_values=True,
+                    autocompleteFrom="/api/vocabularies/beams",
                     note=_(
                         "The specific beam of the data record, e.g., H4."
                     ),
-                ),
+                )
             )
         ]
     },