feat: add multiple option to FileUpload element

Classes/Domain/Finishers/EmailFinisher.php

@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Remind\Form\Domain\Finishers;
+
+use TYPO3\CMS\Core\Mail\FluidEmail;
+use TYPO3\CMS\Extbase\Domain\Model\FileReference;
+use TYPO3\CMS\Form\Domain\Finishers\EmailFinisher as BaseEmailFinisher;
+use TYPO3\CMS\Form\Domain\Model\FormElements\FileUpload;
+use TYPO3\CMS\Form\Domain\Runtime\FormRuntime;
+
+class EmailFinisher extends BaseEmailFinisher
+{
+    private bool $attachUploads = false;
+
+    protected function executeInternal(): string|null
+    {
+        // temporarily store attachUploads option to use in initializeFluidEmail
+        $this->attachUploads = (bool) $this->parseOption('attachUploads');
+
+        // set option to false so BaseEmailFinisher skips attaching uploads
+        $this->options['attachUploads'] = false;
+
+        parent::executeInternal();
+
+        return null;
+    }
+
+    protected function initializeFluidEmail(FormRuntime $formRuntime): FluidEmail
+    {
+        $mail = parent::initializeFluidEmail($formRuntime);
+
+        if ($this->attachUploads) {
+            foreach ($formRuntime->getFormDefinition()->getRenderablesRecursively() as $element) {
+                if (!$element instanceof FileUpload) {
+                    continue;
+                }
+                $files = $formRuntime[$element->getIdentifier()];
+                if ($files) {
+                    // $files may contain single file or multiple files
+                    if (!is_array($files)) {
+                        $files = [$files];
+                    }
+
+                    foreach ($files as $file) {
+                        if ($file instanceof FileReference) {
+                            $file = $file->getOriginalResource();
+                        }
+                        $mail->attach($file->getContents(), $file->getName(), $file->getMimeType());
+                    }
+                }
+            }
+        }
+
+        return $mail;
+    }
+}

Classes/Mvc/Property/PropertyMappingConfiguration.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Remind\Form\Mvc\Property;
+
+use Remind\Form\Mvc\Property\TypeConverter\MultiUploadedFileReferenceConverter;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Form\Domain\Model\FormElements\FileUpload;
+use TYPO3\CMS\Form\Domain\Model\Renderable\RenderableInterface;
+
+class PropertyMappingConfiguration
+{
+    public function afterBuildingFinished(RenderableInterface $renderable): void
+    {
+        if (
+            $renderable instanceof FileUpload &&
+            !empty($renderable->getProperties()['multiple'])
+        ) {
+            $typeConverter = GeneralUtility::makeInstance(MultiUploadedFileReferenceConverter::class);
+            $renderable
+                ->getRootForm()
+                ->getProcessingRule($renderable->getIdentifier())
+                ->getPropertyMappingConfiguration()
+                ->setTypeConverter($typeConverter);
+        }
+    }
+}

Classes/Mvc/Property/TypeConverter/MultiUploadedFileReferenceConverter.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Remind\Form\Mvc\Property\TypeConverter;
+
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Extbase\Error\Error;
+use TYPO3\CMS\Extbase\Property\PropertyMappingConfigurationInterface;
+use TYPO3\CMS\Extbase\Property\TypeConverter\AbstractTypeConverter;
+use TYPO3\CMS\Form\Mvc\Property\TypeConverter\UploadedFileReferenceConverter;
+
+class MultiUploadedFileReferenceConverter extends AbstractTypeConverter
+{
+    private UploadedFileReferenceConverter $uploadedFileReferenceConverter;
+
+    public function __construct()
+    {
+        $this->uploadedFileReferenceConverter = GeneralUtility::makeInstance(UploadedFileReferenceConverter::class);
+    }
+
+    /**
+     * @param mixed[] $convertedChildProperties
+     * @return \TYPO3\CMS\Extbase\Domain\Model\AbstractFileFolder[]|Error|null
+     */
+    public function convertFrom(
+        mixed $source,
+        mixed $targetType,
+        array $convertedChildProperties = [],
+        PropertyMappingConfigurationInterface $configuration = null
+    ): array|Error|null {
+        if (is_array($source)) {
+            $resources = [];
+            foreach ($source as $file) {
+                $resource = $this->uploadedFileReferenceConverter->convertFrom($file, $targetType, $convertedChildProperties, $configuration);
+
+                if ($resource instanceof Error) {
+                    return $resource;
+                }
+
+                if ($resource) {
+                    $resources[] = $resource;
+                }
+            }
+            return $resources;
+        }
+
+        return null;
+    }
+}

Configuration/TypoScript/setup.typoscript

@@ -0,0 +1,15 @@
+plugin.tx_form {
+    settings {
+        yamlConfigurations {
+            1731425366 = EXT:rmnd_form/Configuration/Yaml/FormSetup.yaml
+        }
+    }
+}
+
+module.tx_form {
+    settings {
+        yamlConfigurations {
+            1731425366 = EXT:rmnd_form/Configuration/Yaml/FormSetup.yaml
+        }
+    }
+}

Configuration/Yaml/Finishers/EmailToReceiver.yaml

@@ -0,0 +1,5 @@
+prototypes:
+  standard:
+    finishersDefinition:
+      EmailToReceiver:
+        implementationClassName: Remind\Form\Domain\Finishers\EmailFinisher

Configuration/Yaml/Finishers/EmailToSender.yaml

@@ -0,0 +1,5 @@
+prototypes:
+  standard:
+    finishersDefinition:
+      EmailToSender:
+        implementationClassName: Remind\Form\Domain\Finishers\EmailFinisher

Configuration/Yaml/FormElements/FileUpload.yaml

@@ -0,0 +1,23 @@
+prototypes:
+  standard:
+    formElementsDefinition:
+      FileUpload:
+        formEditor:
+          editors:
+            299:
+              identifier: multiple
+              templateName: Inspector-CheckboxEditor
+              label: formEditor.elements.FileUpload.editor.multiple.label
+              propertyPath: properties.multiple
+            # Add Mime Types from ImageUpload Element
+            300:
+              selectOptions:
+                80:
+                  value: image/jpeg
+                  label: formEditor.elements.ImageUpload.editor.allowedMimeTypes.jpg
+                90:
+                  value: image/png
+                  label: formEditor.elements.ImageUpload.editor.allowedMimeTypes.png
+                100:
+                  value: image/bmp
+                  label: formEditor.elements.ImageUpload.editor.allowedMimeTypes.bmp

Configuration/Yaml/FormElements/ImageUpload.yaml

@@ -0,0 +1,4 @@
+prototypes:
+  standard:
+    formElementsDefinition:
+      ImageUpload: null

Configuration/Yaml/FormSetup.yaml

@@ -0,0 +1,15 @@
+imports:
+  - { resource: "./FormElements/FileUpload.yaml" }
+  - { resource: "./FormElements/ImageUpload.yaml" }
+
+  - { resource: "./Finishers/EmailToSender.yaml" }
+  - { resource: "./Finishers/EmailToReceiver.yaml" }
+
+prototypes:
+  standard:
+    formEditor:
+      translationFiles:
+        1731478859: "EXT:rmnd_form/Resources/Private/Language/locallang.xlf"
+    formEngine:
+      translationFiles:
+        1731478859: "EXT:rmnd_form/Resources/Private/Language/locallang.xlf"

Resources/Private/Language/de.locallang.xlf

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<xliff version="1.0">
+    <file source-language="en" datatype="plaintext" original="EXT:rmnd_form/Resources/Private/Language/de.locallang.xlf" product-name="rmnd_form">
+        <header/>
+        <body>
+            <trans-unit id="formEditor.elements.FileUpload.editor.multiple.label">
+                <target>Mehrfach</target>
+            </trans-unit>
+        </body>
+    </file>
+</xliff>

Resources/Private/Language/locallang.xlf

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
+<xliff version="1.0">
+    <file source-language="en" datatype="plaintext" original="EXT:rmnd_form/Resources/Private/Language/locallang.xlf" product-name="rmnd_form">
+        <header/>
+        <body>
+            <trans-unit id="formEditor.elements.FileUpload.editor.multiple.label">
+                <source>Multiple</source>
+            </trans-unit>
+        </body>
+    </file>
+</xliff>

composer.json

@@ -31,7 +31,9 @@
         }
     },
     "require": {
-        "typo3/cms-core": "^12.4"
+        "typo3/cms-core": "^12.4",
+        "typo3/cms-extbase": "^12.4",
+        "typo3/cms-form": "^12.4"
     },
     "require-dev": {
         "dealerdirect/phpcodesniffer-composer-installer": "^1.0",