Admin: Add setting 'disable_slideshow_documents' BT#17404

main/document/document.php

@@ -1759,12 +1759,16 @@ if ($isAllowedToEdit ||
         );
     }
 }
+
 if (!isset($_GET['keyword']) && !$is_certificate_mode) {
+    $disable = api_get_configuration_value('disable_slideshow_documents');
+    if (false === $disable) {
         $actionsLeft .= Display::url(
             Display::return_icon('slideshow.png', get_lang('ViewSlideshow'), '', ICON_SIZE_MEDIUM),
             api_get_path(WEB_CODE_PATH).'document/slideshow.php?'.api_get_cidreq().'&curdirpath='.$curdirpathurl.'&id='.$document_id
         );
     }
+}
 
 if ($isAllowedToEdit && !$is_certificate_mode) {
     $actionsLeft .= Display::url(

main/document/slideshow.php

@@ -1,4 +1,5 @@
 <?php
+
 /* For licensing terms, see /license.txt */
 
 use ChamiloSession as Session;
@@ -7,13 +8,15 @@ use ChamiloSession as Session;
  * @author Patrick Cool patrick.cool@UGent.be Ghent University Mai 2004
  * @author Julio Montoya Lots of improvements, cleaning, adding security
  * @author Juan Carlos Raña Trabado herodoto@telefonica.net	January 2008
- *
- * @package chamilo.document
  */
 require_once __DIR__.'/../inc/global.inc.php';
 
 api_protect_course_script();
 
+if (api_get_configuration_value('disable_slideshow_documents')) {
+    api_not_allowed(true);
+}
+
 $curdirpath = $path = isset($_GET['curdirpath']) ? Security::remove_XSS($_GET['curdirpath']) : null;
 $courseInfo = api_get_course_info();
 $pathurl = urlencode($path);

main/document/slideshowoptions.php

@@ -1,13 +1,10 @@
 <?php
+
 /* For licensing terms, see /license.txt */
 
 use ChamiloSession as Session;
 
 /**
- * @author Patrick Cool
- *
- * @package chamilo.document
- *
  * @author Patrick Cool, patrick.cool@UGent.be, Ghent University, May 2004, http://icto.UGent.be
  * Please bear in mind that this is only an beta release.
  * I wrote this quite quick and didn't think too much about it in advance.
@@ -27,6 +24,10 @@ use ChamiloSession as Session;
 require_once __DIR__.'/../inc/global.inc.php';
 api_protect_course_script();
 
+if (api_get_configuration_value('disable_slideshow_documents')) {
+    api_not_allowed(true);
+}
+
 $path = Security::remove_XSS($_GET['curdirpath']);
 $pathurl = urlencode($path);
 

main/install/configuration.dist.php

@@ -1554,6 +1554,9 @@ $_configuration['auth_password_links'] = [
 // Allows prevent to the user before leaving a learning path
 //$_configuration['lp_prevents_beforeunload'] = false;
 
+// Disable slideshow documents
+//$_configuration['disable_slideshow_documents'] = false;
+
 // KEEP THIS AT THE END
 // -------- Custom DB changes
 // Add user activation by confirmation email