farm-2.x-dev/modules/core/ui/menu/farm_ui_menu.module

<?php

/**
 * @file
 * The farmOS UI Menu module.
 */

use Drupal\farm_ui_menu\Menu\DefaultSecondaryLocalTaskProvider;
use Drupal\farm_ui_menu\Render\Element\FarmAdminToolbar;

/**
 * Implements hook_menu_links_discovered_alter().
 */
function farm_ui_menu_menu_links_discovered_alter(&$links) {

  // Move the root system.admin menu link to the farm.base parent.
  if (!empty($links['system.admin'])) {
    $links['system.admin']['parent'] = 'farm.base';
    $links['system.admin']['weight'] = 100;
  }

  // Move the farm.report menu link to the farm.base parent.
  if (!empty($links['farm.report'])) {
    $links['farm.report']['parent'] = 'farm.base';
    $links['farm.report']['weight'] = 90;
  }

  // Move the farm.quick:farm.quick menu link to the farm.base parent.
  if (!empty($links['farm.quick:farm.quick'])) {
    $links['farm.quick:farm.quick']['parent'] = 'farm.base';
  }
}

/**
 * Implements hook_toolbar_alter().
 */
function farm_ui_menu_toolbar_alter(&$items) {

  // Override the toolbar tray prerender method to use farm.base root.
  $items['administration']['tray']['toolbar_administration']['#pre_render'] = [[FarmAdminToolbar::class, 'preRenderTray']];
}

/**
 * Implements hook_entity_type_build().
 */
function farm_ui_menu_entity_type_build(array &$entity_types) {

  // Override the default local task provider to use secondary tasks.
  $target_entity_types = ['asset', 'data_stream', 'log', 'plan', 'taxonomy_term'];
  foreach ($target_entity_types as $entity_type) {
    if (isset($entity_types[$entity_type])) {

      $handlers = $entity_types[$entity_type]->getHandlerClasses();
      $handlers['local_task_provider']['default'] = DefaultSecondaryLocalTaskProvider::class;
      $entity_types[$entity_type]->setHandlerClass('local_task_provider', $handlers['local_task_provider']);
    }
  }
}

/**
 * Implements hook_local_tasks_alter().
 */
function farm_ui_menu_local_tasks_alter(&$local_tasks) {

  // Remove local tasks provided by core taxonomy module.
  $taxonomy_term_tasks = [
    'entity.taxonomy_term.canonical',
    'entity.taxonomy_term.edit_form',
    'entity.taxonomy_term.delete_form',
  ];
  foreach ($taxonomy_term_tasks as $task_id) {
    unset($local_tasks[$task_id]);
  }
}