MDL-76358 mod_data: Add options to preset menu

* Add "Preview" and "Use this preset" menus to the preset plugin page's
burger menu
* Refactor importmapping dialogue to use the 'data-action' selector
* Add a new set_kebab_trigger action menu method
* Use set_additional_classes method for action menu
* Remove redundant parameter to add_action_menu

course/format/classes/output/local/content/cm/controlmenu.php

@@ -128,9 +128,7 @@ public function get_action_menu(\renderer_base $output): ?action_menu {
 
         // Convert control array into an action_menu.
         $menu = new action_menu();
-        $icon = $output->pix_icon('i/menu', get_string('edit'));
-        $menu->set_menu_trigger($icon, 'btn btn-icon d-flex align-items-center justify-content-center');
-
+        $menu->set_kebab_trigger(get_string('edit'));
         $menu->attributes['class'] .= ' section-cm-edit-actions commands';
 
         // Prioritise the menu ahead of all other actions.

course/format/classes/output/local/content/section/controlmenu.php

@@ -82,8 +82,7 @@ public function export_for_template(\renderer_base $output): stdClass {
 
         // Convert control array into an action_menu.
         $menu = new action_menu();
-        $icon = $output->pix_icon('i/menu', get_string('edit'));
-        $menu->set_menu_trigger($icon, 'btn btn-icon d-flex align-items-center justify-content-center');
+        $menu->set_kebab_trigger(get_string('edit'));
         $menu->attributes['class'] .= ' section-actions';
         foreach ($controls as $value) {
             $url = empty($value['url']) ? '' : $value['url'];

lib/outputcomponents.php

@@ -4304,6 +4304,31 @@ public function set_menu_trigger($trigger, $extraclasses = '') {
         $this->triggerextraclasses = $extraclasses;
     }
 
+    /**
+     * Classes for the trigger menu
+     */
+    const DEFAULT_KEBAB_TRIGGER_CLASSES = 'btn btn-icon d-flex align-items-center justify-content-center';
+
+    /**
+     * Setup trigger as in the kebab menu.
+     *
+     * @param string|null $triggername
+     * @param core_renderer|null $output
+     * @param string|null $extraclasses extra classes for the trigger {@see self::set_menu_trigger()}
+     * @throws coding_exception
+     */
+    public function set_kebab_trigger(?string $triggername = null, ?core_renderer $output = null,
+        ?string $extraclasses = '') {
+        global $OUTPUT;
+        if (empty($output)) {
+            $output = $OUTPUT;
+        }
+        $label = $triggername ?? get_string('actions');
+        $triggerclasses = self::DEFAULT_KEBAB_TRIGGER_CLASSES . ' ' . $extraclasses;
+        $icon = $output->pix_icon('i/menu', $label);
+        $this->set_menu_trigger($icon, $triggerclasses);
+    }
+
     /**
      * Return true if there is at least one visible link in the menu.
      *

lib/upgrade.txt

@@ -14,6 +14,7 @@ information provided here is intended especially for developers.
 * New DB parameter 'versionfromdb', only available for MySQL and MariaDB drivers. It allows to force the DB version to be
   evaluated through an explicit call to VERSION() to skip the PHP client version which appears to be sometimes fooled by the
   underlying infrastructure, e.g. PaaS on Azure.
+* The actionmenu component has now a set_kebab_trigger that will setup the action menu for use in kebab menus.
 * The useexternalyui configuration setting has been removed as a part of the migration away from YUI.
   It only worked with http sites and did not officially support SSL, and is at risk of disappearing should Yahoo! decide
   to remove it.
@@ -715,7 +716,6 @@ filepath because some components, such as mod_page or mod_resource, add the revi
   call the above function because the file is sent by a third party library, then you should add
   the attribute data-double-submit-protection="off" to your form.
 
-
 === 3.7 ===
 
 * Nodes in the navigation api can have labels for each group. See set/get_collectionlabel().