disable security handler when regularly saving a wiki page, fixes #4543

Closes #4543

Merge request studip/studip!3338

app/views/course/wiki/edit.php

@@ -33,7 +33,10 @@
         </div>
 
         <div data-dialog-button="">
-            <button class="button" :title="isChanged ? '<?= _('Den aktuellen Stand speichern.') ?>' : '<?= _('Der aktuelle Stand wurde bereits gespeichert.') ?>'">
+            <button class="button"
+                    :title="isChanged ? '<?= _('Den aktuellen Stand speichern.') ?>' : '<?= _('Der aktuelle Stand wurde bereits gespeichert.') ?>'"
+                    @click="toggleSecurityHandler(false)"
+            >
                 <?= _('Speichern') ?>
             </button>
             <?= \Studip\LinkButton::create(_('Verlassen'), $controller->leave_editing($page))?>

resources/assets/javascripts/lib/wiki.js

@@ -77,6 +77,13 @@ const Wiki = {
                                 this.editor.editing.view.focus();
                             });
                         },
+                        toggleSecurityHandler(state = true) {
+                            if (state) {
+                                window.addEventListener('beforeunload', this.securityHandler);
+                            } else {
+                                window.removeEventListener('beforeunload', this.securityHandler);
+                            }
+                        },
                         securityHandler(event) {
                             event.preventDefault();
                             event.returnValue = true;
@@ -105,11 +112,7 @@ const Wiki = {
                     },
                     watch: {
                         isChanged(current) {
-                            if (current) {
-                                window.addEventListener('beforeunload', this.securityHandler);
-                            } else {
-                                window.removeEventListener('beforeunload', this.securityHandler);
-                            }
+                            this.toggleSecurityHandler(current);
                         }
                     },
                     components: { WikiEditorOnlineUsers }