Add EntityIconGenerator feature

config/services.php

@@ -10,6 +10,7 @@
 use EasyCorp\Bundle\EasyAdminBundle\Command\MakeCrudControllerCommand;
 use EasyCorp\Bundle\EasyAdminBundle\Contracts\Field\FieldConfiguratorInterface;
 use EasyCorp\Bundle\EasyAdminBundle\Contracts\Filter\FilterConfiguratorInterface;
+use EasyCorp\Bundle\EasyAdminBundle\Contracts\Icon\EntityIconGeneratorInterface;
 use EasyCorp\Bundle\EasyAdminBundle\Contracts\Menu\MenuItemMatcherInterface;
 use EasyCorp\Bundle\EasyAdminBundle\Contracts\Orm\EntityPaginatorInterface;
 use EasyCorp\Bundle\EasyAdminBundle\Contracts\Translation\EntityTranslationIdGeneratorInterface;
@@ -73,6 +74,7 @@
 use EasyCorp\Bundle\EasyAdminBundle\Form\Type\CrudFormType;
 use EasyCorp\Bundle\EasyAdminBundle\Form\Type\FileUploadType;
 use EasyCorp\Bundle\EasyAdminBundle\Form\Type\FiltersFormType;
+use EasyCorp\Bundle\EasyAdminBundle\Icon\EntityIconGenerator;
 use EasyCorp\Bundle\EasyAdminBundle\Intl\IntlFormatter;
 use EasyCorp\Bundle\EasyAdminBundle\Maker\ClassMaker;
 use EasyCorp\Bundle\EasyAdminBundle\Menu\MenuItemMatcher;
@@ -252,6 +254,7 @@
             ->arg(3, service(AdminUrlGenerator::class))
             ->arg(4, service(MenuItemMatcherInterface::class))
             ->arg(5, service(EntityTranslationIdGeneratorInterface::class))
+            ->arg(6, service(EntityIconGeneratorInterface::class))
 
         ->set(MenuItemMatcher::class)
             ->arg(0, service(AdminUrlGenerator::class))
@@ -446,6 +449,10 @@
 
         ->alias(EntityTranslationIdGeneratorInterface::class, EntityTranslationIdGenerator::class)
 
+        ->set(EntityIconGenerator::class)
+
+        ->alias(EntityIconGeneratorInterface::class, EntityIconGenerator::class)
+
         ->set(AssetPackage::class)
             ->arg(0, service('request_stack'))
             ->tag('assets.package', ['package' => AssetPackage::PACKAGE_NAME])

doc/dashboards.rst

@@ -843,6 +843,32 @@ generator to return the menu items::
         // ...
     }
 
+Icons
+~~~~~
+
+If you prefer to configure all icons for links to entities in one place you can implement
+``EntityIconGeneratorInterface``:
+
+    namespace App\EasyAdmin\Icon;
+
+    use App\Entity\Developer;
+    use App\Entity\Invoice;
+    use EasyCorp\Bundle\EasyAdminBundle\Contracts\Icon\EntityIconGeneratorInterface;
+    use Symfony\Component\DependencyInjection\Attribute\AsAlias;
+
+    #[AsAlias(EntityIconGeneratorInterface::class)]
+    class EntityIconGenerator implements EntityIconGeneratorInterface
+    {
+        public function generate(string $entity): ?string
+        {
+            return match ($entity) {
+                Developer::class => 'fa-solid fa-user',
+                Invoice::class => 'fa fa-file-invoice',
+                default => null,
+            };
+        }
+    }
+
 .. _dashboards-user-menu:
 
 User Menu

src/Contracts/Icon/EntityIconGeneratorInterface.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace EasyCorp\Bundle\EasyAdminBundle\Contracts\Icon;
+
+interface EntityIconGeneratorInterface
+{
+    /**
+     * For a given entity FQCN (for example "App\Entity\Invoice") generates a string representing
+     * an icon (for example "fa fa-file-invoice").
+     *
+     * @param class-string $entity
+     */
+    public function generate(string $entity): ?string;
+}

src/Factory/MenuFactory.php

@@ -7,6 +7,7 @@
 use EasyCorp\Bundle\EasyAdminBundle\Config\UserMenu;
 use EasyCorp\Bundle\EasyAdminBundle\Context\AdminContext;
 use EasyCorp\Bundle\EasyAdminBundle\Contracts\Factory\MenuFactoryInterface;
+use EasyCorp\Bundle\EasyAdminBundle\Contracts\Icon\EntityIconGeneratorInterface;
 use EasyCorp\Bundle\EasyAdminBundle\Contracts\Menu\MenuItemInterface;
 use EasyCorp\Bundle\EasyAdminBundle\Contracts\Menu\MenuItemMatcherInterface;
 use EasyCorp\Bundle\EasyAdminBundle\Contracts\Provider\AdminContextProviderInterface;
@@ -34,6 +35,7 @@ public function __construct(
         private readonly AdminUrlGeneratorInterface $adminUrlGenerator,
         private readonly MenuItemMatcherInterface $menuItemMatcher,
         private readonly ?EntityTranslationIdGeneratorInterface $entityTranslationIdGenerator = null,
+        private readonly ?EntityIconGeneratorInterface $entityIconGenerator = null,
     ) {
         if (null === $this->entityTranslationIdGenerator) {
             trigger_deprecation(
@@ -43,6 +45,14 @@ public function __construct(
                 '$entityTranslationIdGenerator',
             );
         }
+        if (null === $this->entityIconGenerator) {
+            trigger_deprecation(
+                'easycorp/easyadmin-bundle',
+                '4.28',
+                'Not passing argument "$entityIconGenerator" will cause an error in 5.0.0.',
+                '$entityIconGenerator',
+            );
+        }
     }
 
     /**
@@ -119,6 +129,10 @@ private function buildMenuItem(MenuItemDto $menuItemDto, array $subItems, string
             $menuItemDto->setLabel($label);
         }
 
+        if (MenuItemDto::TYPE_CRUD === $menuItemDto->getType() && null === $menuItemDto->getIcon() && null !== $this->entityIconGenerator) {
+            $menuItemDto->setIcon($this->entityIconGenerator->generate($menuItemDto->getRouteParameters()[EA::ENTITY_FQCN]));
+        }
+
         $url = $this->generateMenuItemUrl($menuItemDto);
         $menuItemDto->setLinkUrl($url);
 

src/Icon/EntityIconGenerator.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace EasyCorp\Bundle\EasyAdminBundle\Icon;
+
+use EasyCorp\Bundle\EasyAdminBundle\Contracts\Icon\EntityIconGeneratorInterface;
+
+final class EntityIconGenerator implements EntityIconGeneratorInterface
+{
+    public function generate(string $entity): ?string
+    {
+        return null;
+    }
+}