From 81fafbbc34c4c3289b4876c80cd7a7b2337d1032 Mon Sep 17 00:00:00 2001
From: Arber Sala <sala@contenance.de>
Date: Fri, 12 Apr 2024 16:49:55 +0100
Subject: [PATCH] [FEATURE] added backend preview for form_formframework

---
 .../Classes/Hooks/FormPagePreviewRenderer.php | 175 ++++++++++++++++++
 .../TCA/Overrides/tt_content.php              |   2 +
 2 files changed, 177 insertions(+)
 create mode 100644 local_packages/success/Classes/Hooks/FormPagePreviewRenderer.php

diff --git a/local_packages/success/Classes/Hooks/FormPagePreviewRenderer.php b/local_packages/success/Classes/Hooks/FormPagePreviewRenderer.php
new file mode 100644
index 0000000..314cc19
--- /dev/null
+++ b/local_packages/success/Classes/Hooks/FormPagePreviewRenderer.php
@@ -0,0 +1,175 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace Surfcamp\Success\Hooks;
+
+use Psr\Log\LoggerInterface;
+use TYPO3\CMS\Core\Error\Exception;
+use TYPO3\CMS\Core\Utility\PathUtility;
+use TYPO3\CMS\Core\Messaging\FlashMessage;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Core\Service\FlexFormService;
+use TYPO3\CMS\Core\Localization\LanguageService;
+use TYPO3\CMS\Core\Messaging\FlashMessageService;
+use TYPO3\CMS\Core\Type\ContextualFeedbackSeverity;
+use TYPO3\CMS\Backend\Preview\StandardContentPreviewRenderer;
+use TYPO3\CMS\Backend\View\BackendLayout\Grid\GridColumnItem;
+use TYPO3\CMS\Form\Mvc\Configuration\Exception\NoSuchFileException;
+use TYPO3\CMS\Form\Mvc\Configuration\Exception\ParseErrorException;
+use TYPO3\CMS\Form\Mvc\Persistence\FormPersistenceManagerInterface;
+use TYPO3\CMS\Form\Mvc\Persistence\Exception\PersistenceManagerException;
+
+/**
+ * Contains a preview rendering for the page module of CType="form_formframework"
+ * @internal
+ */
+class FormPagePreviewRenderer extends StandardContentPreviewRenderer
+{
+    private const L10N_PREFIX = 'LLL:EXT:form/Resources/Private/Language/Database.xlf:';
+
+    public function renderPageModulePreviewContent(GridColumnItem $item): string
+    {
+        $row = $item->getRecord();
+        $itemContent = $this->linkEditContent('<strong>' . htmlspecialchars($item->getContext()->getContentTypeLabels()['form_formframework']) . '</strong>', $row) . '<br />';
+
+        $flexFormData = GeneralUtility::makeInstance(FlexFormService::class)
+            ->convertFlexFormContentToArray($row['pi_flexform']);
+
+        $persistenceIdentifier = $flexFormData['settings']['persistenceIdentifier'] ?? '';
+        if (!empty($persistenceIdentifier)) {
+            try {
+                $formPersistenceManager = GeneralUtility::makeInstance(FormPersistenceManagerInterface::class);
+
+                try {
+                    if (
+                        $formPersistenceManager->hasValidFileExtension($persistenceIdentifier)
+                        || PathUtility::isExtensionPath($persistenceIdentifier)
+                    ) {
+                        $formDefinition = $formPersistenceManager->load($persistenceIdentifier);
+                        $formLabel = $formDefinition['label'];
+                        return $this->renderFormFromDefinition($formDefinition);
+                    } else {
+                        $formLabel = sprintf(
+                            $this->getLanguageService()->sL(self::L10N_PREFIX . 'tt_content.preview.inaccessiblePersistenceIdentifier'),
+                            $persistenceIdentifier
+                        );
+                    }
+                } catch (ParseErrorException $e) {
+                    $formLabel = sprintf(
+                        $this->getLanguageService()->sL(self::L10N_PREFIX . 'tt_content.preview.invalidPersistenceIdentifier'),
+                        $persistenceIdentifier
+                    );
+                } catch (PersistenceManagerException $e) {
+                    $formLabel = sprintf(
+                        $this->getLanguageService()->sL(self::L10N_PREFIX . 'tt_content.preview.inaccessiblePersistenceIdentifier'),
+                        $persistenceIdentifier
+                    );
+                } catch (Exception $e) {
+                    $formLabel = sprintf(
+                        $this->getLanguageService()->sL(self::L10N_PREFIX . 'tt_content.preview.notExistingdPersistenceIdentifier'),
+                        $persistenceIdentifier
+                    );
+                }
+            } catch (NoSuchFileException $e) {
+                $this->addInvalidFrameworkConfigurationFlashMessage($persistenceIdentifier, $e);
+                $formLabel = sprintf(
+                    $this->getLanguageService()->sL(self::L10N_PREFIX . 'tt_content.preview.notExistingdPersistenceIdentifier'),
+                    $persistenceIdentifier
+                );
+            } catch (ParseErrorException $e) {
+                $this->addInvalidFrameworkConfigurationFlashMessage($persistenceIdentifier, $e);
+                $formLabel = sprintf(
+                    $this->getLanguageService()->sL(self::L10N_PREFIX . 'tt_content.preview.invalidFrameworkConfiguration'),
+                    $persistenceIdentifier
+                );
+            } catch (\Exception $e) {
+                // Top level catch - FAL throws top level exceptions on missing files, eg. in getFileInfoByIdentifier() of LocalDriver
+                $this->addInvalidFrameworkConfigurationFlashMessage($persistenceIdentifier, $e);
+                $formLabel = sprintf(
+                    $this->getLanguageService()->sL(self::L10N_PREFIX . 'tt_content.preview.invalidFrameworkConfiguration.text'),
+                    $persistenceIdentifier,
+                    $e->getMessage()
+                );
+            }
+        } else {
+            $formLabel = $this->getLanguageService()->sL(self::L10N_PREFIX . 'tt_content.preview.noPersistenceIdentifier');
+        }
+
+        $itemContent .= $this->linkEditContent(
+            htmlspecialchars($formLabel),
+            $row
+        ) . '<br />';
+
+        return $itemContent;
+    }
+
+    protected function addInvalidFrameworkConfigurationFlashMessage(string $persistenceIdentifier, \Exception $e): void
+    {
+        $messageText = sprintf(
+            $this->getLanguageService()->sL(self::L10N_PREFIX . 'tt_content.preview.invalidFrameworkConfiguration.text'),
+            $persistenceIdentifier,
+            $e->getMessage()
+        );
+
+        GeneralUtility::makeInstance(FlashMessageService::class)
+            ->getMessageQueueByIdentifier('core.template.flashMessages')
+            ->enqueue(
+                GeneralUtility::makeInstance(
+                    FlashMessage::class,
+                    $messageText,
+                    $this->getLanguageService()->sL(self::L10N_PREFIX . 'tt_content.preview.invalidFrameworkConfiguration.title'),
+                    ContextualFeedbackSeverity::ERROR,
+                    true
+                )
+            );
+    }
+
+    protected function renderFormFromDefinition(array $formDefinition): string
+    {
+        $finishers = $formDefinition['finishers'];
+        $pages = $formDefinition['renderables'];
+        $html = '<style>.form-container{display:flex;flex-direction:column;background:rgb(255,249,232);padding:20px;border-radius:20px;}.content{display:flex;flex-direction:column;align-items:center;width:100%;}.headline{font-size:24px;}.subline{font-size:18px;}.form{display:flex;gap:15px;}.form-page{display:flex;flex-direction:column;gap:10px;overflow:hidden;padding:15px;border-radius:15px;border:2px solid wheat;box-shadow:none;width:100%;}.form-page-label{font-size:16px;font-weight:bold;}</style><div class="form-container"><div class="content"><span class="overline">Overline</span><span class="headline">Header</span><p class="subline">Subheader</p></div><div class="form">';
+
+        foreach ($pages as $page) {
+            $html .= '<div class="form-page"><span class="form-page-label">Page</span>';
+            foreach ($page['renderables'] as $item) {
+                $html .= '<div class="form-field">' . $item['label'] . ': ' . $item['type'] . '</div>';
+            }
+            $html .= '</div>';
+        }
+
+        $html .= '</div><div class="form-field"><span class="form-page-label">Finishers:</span>&nbsp;';
+
+        foreach ($finishers as $finisher) {
+            $html .= '<div class="form-field">' . $finisher['identifier'] . '</div>&nbsp;';
+        }
+
+        $html .= '</div></div>';
+
+        return $html;
+    }
+
+    protected function getLanguageService(): LanguageService
+    {
+        return $GLOBALS['LANG'];
+    }
+
+    function setLogger(LoggerInterface $logger): void
+    {
+
+    }
+}
diff --git a/local_packages/success/Configuration/TCA/Overrides/tt_content.php b/local_packages/success/Configuration/TCA/Overrides/tt_content.php
index 0b75b99..75099d2 100644
--- a/local_packages/success/Configuration/TCA/Overrides/tt_content.php
+++ b/local_packages/success/Configuration/TCA/Overrides/tt_content.php
@@ -736,3 +736,5 @@
 ];
 
 $GLOBALS['TCA']['tt_content']['ctrl']['typeicon_classes']['success_topbar'] = 'content-header';
+
+$GLOBALS['TCA']['tt_content']['types']['form_formframework']['previewRenderer'] = \Surfcamp\Success\Hooks\FormPagePreviewRenderer::class;