Issue 1000 (#1001)

* Change to Boolean logic
* added forward slash to path
* Made Viewer display configurable

---------
Co-authored-by: Rosie Le Faive <lefaive@gmail.com>

modules/islandora_iiif/config/schema/islandora_iiif.schema.yml

@@ -6,8 +6,11 @@ islandora_iiif.settings:
       type: string
       label: 'IIIF Server Url'
     use_relative_paths:
-    type: boolean
-    label: 'Use relative paths in manifest.'
+      type: boolean
+      label: 'Use relative paths in manifest.'
+    show_title:
+      type: string
+      label: 'Show title in view'
 
 views.style.iiif_manifest:
   type: views_style

modules/islandora_iiif/src/Form/IslandoraIIIFConfigForm.php

@@ -66,6 +66,11 @@ class IslandoraIIIFConfigForm extends ConfigFormBase {
    * {@inheritdoc}
    */
   public function buildForm(array $form, FormStateInterface $form_state) {
+    $options = [
+      'none' => $this->t('None'),
+      'view' => $this->t("From view title"),
+      'node' => $this->t("From node title"),
+    ];
     $config = $this->config('islandora_iiif.settings');
     $form['iiif_server'] = [
       '#type' => 'url',
@@ -84,6 +89,14 @@ class IslandoraIIIFConfigForm extends ConfigFormBase {
       '#default_value' => $config->get('use_relative_paths'),
     ];
 
+    $form['show_title'] = [
+      '#type' => 'select',
+      '#options' => $options,
+      '#title' => $this->t("Show title in viewer."),
+      '#description' => $this->t("Show title on your viewer, if viewer allows"),
+      '#default_value' => $config->get('show_title'),
+    ];
+
     return parent::buildForm($form, $form_state);
   }
 
@@ -111,6 +124,7 @@ class IslandoraIIIFConfigForm extends ConfigFormBase {
     $this->config('islandora_iiif.settings')
       ->set('iiif_server', $form_state->getValue('iiif_server'))
       ->set('use_relative_paths', $form_state->getValue('use_relative_paths'))
+      ->set('show_title', $form_state->getValue('show_title'))
       ->save();
   }
 

modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php

@@ -167,15 +167,33 @@ class IIIFManifest extends StylePluginBase {
       // @todo assumming the view is a path like /node/1/manifest.json
       $url_components = explode('/', trim($request_url, '/'));
       array_pop($url_components);
-      $content_path = implode('/', $url_components);
-      $iiif_base_id = $request_host . '/' . $content_path;
+      $content_path = '/' . implode('/', $url_components);
+      $iiif_base_id = "{$request_host}{$content_path}";
+      $display = $this->iiifConfig->get('show_title');
+      switch ($display) {
+        case 'none':
+          $label = '';
+          break;
+
+        case 'view':
+          $label = $this->view->getTitle();
+          break;
+
+        case 'node':
+          $label = $this->getEntityTitle($content_path);
+
+          break;
+
+        default:
+          $label = $this->t("IIIF Manifest");
+      }
 
       // @see https://iiif.io/api/presentation/2.1/#manifest
       $json += [
         '@type' => 'sc:Manifest',
         '@id' => $request_url,
         // If the View has a title, set the View title as the manifest label.
-        'label' => $this->view->getTitle() ?: $this->getEntityTitle($content_path),
+        'label' => $label,
         '@context' => 'http://iiif.io/api/presentation/2/context.json',
         // @see https://iiif.io/api/presentation/2.1/#sequence
         'sequences' => [