Merge pull request #653 from AngelFQC/BT9237-1.10.x

Don't show button to export certificates to PDF - refs BT#9237

certificates/index.php

@@ -18,6 +18,13 @@ $certificate = new Certificate($_GET['id']);
 
 switch ($action) {
     case 'export':
+        if (
+            api_get_configuration_value('hide_certificate_export_link') ||
+            (api_is_student() && api_get_configuration_value('hide_certificate_export_link_students'))
+        ) {
+            api_not_allowed(true);
+        }
+
         $certificate->generate(array('hide_print_button' => true));
 
         if ($certificate->html_file_is_generated()) {

main/gradebook/gradebook_display_certificate.php

@@ -180,7 +180,7 @@ echo Display::url(get_lang('GenerateCertificates'), $url, array('class' => 'btn
 $url = api_get_self().'?action=delete_all_certificates'.'&'.api_get_cidReq().'&cat_id='.$cat_id.'&filter='.$filterOfficialCode;
 echo Display::url(get_lang('DeleteAllCertificates'), $url, array('class' => 'btn btn-default'));
 
-if (count($certificate_list) > 0) {
+if (count($certificate_list) > 0 && !api_get_configuration_value('hide_certificate_export_link')) {
     $url = api_get_self().'?action=export_all_certificates'.'&'.api_get_cidReq().'&cat_id='.$cat_id.'&filter='.$filterOfficialCode;
     echo Display::url(get_lang('ExportAllCertificatesToPDF'), $url, array('class' => 'btn btn-default'));
 }

main/gradebook/lib/be/category.class.php

@@ -1845,7 +1845,7 @@ class Category implements GradebookItem
                     $url,
                     array(
                         'target' => '_blank',
-                        'class' => 'btn'
+                        'class' => 'btn btn-default'
                     )
                 );
 
@@ -1859,6 +1859,13 @@ class Category implements GradebookItem
                     "$url&action=export"
                 );
 
+                if (
+                    api_get_configuration_value('hide_certificate_export_link') ||
+                    (api_is_student() && api_get_configuration_value('hide_certificate_export_link_students'))
+                ) {
+                    $exportToPDF = null;
+                }
+
                 $html = array(
                     'certificate_link' => $certificates,
                     'pdf_link' => $exportToPDF

main/install/configuration.dist.php

@@ -326,4 +326,7 @@ $_configuration['system_stable']     = NEW_VERSION_STABLE;
 //$_configuration['limit_session_admin_role'] = false;
 // Show session description
 //$_configuration['show_session_description'] = false;
-
+// Hide only for students the link to export certificates to PDF 
+//$_configuration['hide_certificate_export_link_students'] = false;
+// Hide for all user roles the link to export certificates to PDF 
+//$_configuration['hide_certificate_export_link'] = false;