Add field for group id in user add dialog

Add new field in user add dialog. This combo box lists all posix groups
so user can choose one. It is also possible to fill a GID number
which is not in the list.

https://fedorahosted.org/freeipa/ticket/5505

Reviewed-By: Petr Vobornik <pvoborni@redhat.com>

install/ui/src/freeipa/user.js

@@ -447,6 +447,16 @@ return {
                         name: 'noprivate',
                         label: '@i18n:objects.user.noprivate',
                         metadata: '@mc-opt:user_add:noprivate'
+                    },
+                    {
+                        $type: 'entity_select',
+                        name: 'gidnumber',
+                        editable: true,
+                        searchable: true,
+                        other_entity: 'group',
+                        other_field: 'gidnumber',
+                        label_field: 'cn',
+                        filter_options: {'posix': true}
                     }
                 ]
             },

install/ui/src/freeipa/widget.js

@@ -4299,6 +4299,7 @@ IPA.entity_select_widget = function(spec) {
 
     that.other_entity = IPA.get_entity(spec.other_entity);
     that.other_field = spec.other_field;
+    that.label_field = spec.label_field || spec.other_field;
 
     that.options = spec.options || [];
     that.filter_options = spec.filter_options || {};
@@ -4339,9 +4340,10 @@ IPA.entity_select_widget = function(spec) {
         for (var i=0; i<data.result.count; i++) {
             var entry = entries[i];
             var values = adapter.load(entry, that.other_field);
-            var value = values[0];
+            var label = adapter.load(entry, that.label_field);
+            var option = { label: label[0], value: values[0] };
 
-            options.push(value);
+            options.push(option);
         }
 
         that.set_options(options);