To allow to set short title on calender events. Now rewrote to work witih dynamic loading of evetns. Updated for 5.1.13

fullcalendar_view-short-title-for-5.x.patch

diff --git a/js/fullcalendar_view.js b/js/fullcalendar_view.js
index b6a6a84..977649b 100644
--- a/js/fullcalendar_view.js
+++ b/js/fullcalendar_view.js
@@ -54,7 +54,7 @@
     // Show Tooltip on Mousehover
     let thisEvent = info.event;
     let des   = thisEvent.extendedProps.des;
-    let title = thisEvent.title;
+    let title = thisEvent.extendedProps.regular_title;
     if(des.length > 0) {
       $(info.el).fullCalendarTooltip(title, des);
     }
@@ -341,6 +341,16 @@
       }
       // Language select element.
       var localeSelectorEl = document.getElementById('locale-selector-' + viewIndex);
+
+      let urlParams = new URLSearchParams(window.location.search);
+      let fcview = urlParams.get('fcview');
+      if (fcview) {
+        // for v4
+        calendarOptions.defaultView = fcview;
+        // for v5
+        calendarOptions.initialView = fcview;
+      }
+
       // Allow passing a default date via query string.
       const params = (new URL(document.location)).searchParams;
       const initialDate = params.get('initialDate')
diff --git a/src/FullcalendarViewPreprocess.php b/src/FullcalendarViewPreprocess.php
index f0b35ac..2942642 100644
--- a/src/FullcalendarViewPreprocess.php
+++ b/src/FullcalendarViewPreprocess.php
@@ -411,6 +411,18 @@ class FullcalendarViewPreprocess
       } else {
         $title = t('Invalid event title');
       }
+
+      // Event short title.
+      if (empty($options['short_title']) || $options['short_title'] == 'title') {
+        $short_title = $fields['title']->advancedRender($row);
+      }
+      elseif (!empty($fields[$options['short_title']])) {
+        $short_title = $fields[$options['short_title']]->advancedRender($row);
+      }
+      else {
+        $short_title = t('Invalid event short title');
+      }
+
       $link_url = strstr($title, 'href="');
       if ($link_url) {
         $link_url = substr($link_url, 6);
@@ -423,7 +435,8 @@ class FullcalendarViewPreprocess
       if (isset($start_field_option['type']) && $start_field_option["type"] == "smartdate_default") {
         $idkey = $row->index . '-0';
         $entry = [
-          'title' =>  Xss::filter($title, $title_allowed_tags),
+          'title' =>  Xss::filter($short_title, $title_allowed_tags),
+          'regular_title' =>  Xss::filter($title, $title_allowed_tags),
           'id' => $idkey,
           'eid' => $entity_id,
           'url' => $link_url,
@@ -512,7 +525,8 @@ class FullcalendarViewPreprocess
           foreach ($start_dates as $i => $start_date) {
             $idkey = $row->index . '-' . $i;
             $entry = [
-              'title' =>  Xss::filter($title, $title_allowed_tags),
+              'title' =>  Xss::filter($short_title, $title_allowed_tags),
+              'regular_title' =>  Xss::filter($title, $title_allowed_tags),
               'id' => $idkey,
               'eid' => $entity_id,
               'url' => $link_url,
diff --git a/src/Plugin/views/style/FullCalendarDisplay.php b/src/Plugin/views/style/FullCalendarDisplay.php
index e0883e7..4bddc2a 100644
--- a/src/Plugin/views/style/FullCalendarDisplay.php
+++ b/src/Plugin/views/style/FullCalendarDisplay.php
@@ -124,6 +124,7 @@ class FullCalendarDisplay extends StylePluginBase {
     $options['start'] = ['default' => ''];
     $options['end'] = ['default' => ''];
     $options['title'] = ['default' => ''];
+    $options['short_title'] = ['default' => ''];
     $options['date_filter'] = ['default' => ''];
     $options['duration'] = ['default' => ''];
     $options['rrule'] = ['default' => ''];
@@ -231,7 +232,13 @@ class FullCalendarDisplay extends StylePluginBase {
       '#empty_value' => '',
       '#default_value' => (!empty($this->options['date_filter'])) ? $this->options['date_filter'] : '',
     ];
-
+    // Field name of short_title.
+    $form['short_title'] = [
+      '#title' => $this->t('Short Title Field'),
+      '#type' => 'select',
+      '#options' => $field_names,
+      '#default_value' => (!empty($this->options['short_title'])) ? $this->options['short_title'] : '',
+    ];
     // Display settings.
     $form['display'] = [
       '#type' => 'details',