Better unknown status support for "multiple_locations = group" setting.

module/VuFind/src/VuFind/Controller/AjaxController.php

@@ -416,6 +416,7 @@ class AjaxController extends AbstractBase
                 && $info['use_unknown_message'] == true
             ) {
                 $use_unknown_status = true;
+                $locations[$info['location']]['status_unknown'] = true;
             }
             // Store call number/location info:
             $locations[$info['location']]['callnumbers'][] = $info['callnumber'];
@@ -437,7 +438,9 @@ class AjaxController extends AbstractBase
                     ENT_COMPAT, 'UTF-8'
                 ),
                 'callnumbers' =>
-                    htmlentities($locationCallnumbers, ENT_COMPAT, 'UTF-8')
+                    htmlentities($locationCallnumbers, ENT_COMPAT, 'UTF-8'),
+                'status_unknown' => isset($details['status_unknown'])
+                    ? $details['status_unknown'] : false
             ];
             $locationList[] = $locationInfo;
         }

themes/bootprint3/less/icons.less

@@ -94,6 +94,7 @@ i.fa-sounddisc {background-image:url('../../images/icons/cd.png'); &:extend(.bp-
 i.fa-soundrecording {background-image:url('../../images/icons/sound.png'); &:extend(.bp-icon);}
 i.fa-spinner {background-image:url('../../images/icons/ajax_loading.gif'); &:extend(.bp-icon);}
 i.fa-star {background-image:url('../../images/icons/star.png'); &:extend(.bp-icon);}
+i.fa-status-unknown {background-image:url('../../images/icons/bullet_orange.png'); &:extend(.bp-icon);}
 i.fa-suitcase {background-image:url('../../images/icons/bookbag.png'); &:extend(.bp-icon);}
 i.fa-tapecartridge {background-image:url('../../images/icons/drive.png'); &:extend(.bp-icon);}
 i.fa-tapecassette {background-image:url('../../images/icons/drive.png'); &:extend(.bp-icon);}

themes/bootstrap3/js/check_item_statuses.js

@@ -46,6 +46,13 @@ function checkItemStatuses() {
               if (result.locationList[x].availability) {
                 locationListHTML += '<i class="fa fa-ok text-success"></i> <span class="text-success">'
                   + result.locationList[x].location + '</span> ';
+              } else if (typeof(result.locationList[x].status_unknown) !== 'undefined'
+                  && result.locationList[x].status_unknown
+              ) {
+                if (result.locationList[x].location) {
+                  locationListHTML += '<i class="fa fa-status-unknown text-warning"></i> <span class="text-warning">' 
+                    + result.locationList[x].location + '</span> ';
+                }
               } else {
                 locationListHTML += '<i class="fa fa-remove text-error"></i> <span class="text-error"">'
                   + result.locationList[x].location + '</span> ';