From 1cd9c2567eb88a8e16a4d70553898b58f677a10a Mon Sep 17 00:00:00 2001
From: Philipp Dieter <philipp.dieter@attic-media.de>
Date: Sun, 4 Oct 2020 23:48:22 +0200
Subject: [PATCH] [TASK] Add Double2Converter

---
 .../TypeConverter/Double2Converter.php        | 88 +++++++++++++++++++
 ext_tables.php                                |  6 ++
 2 files changed, 94 insertions(+)
 create mode 100644 Classes/Property/TypeConverter/Double2Converter.php

diff --git a/Classes/Property/TypeConverter/Double2Converter.php b/Classes/Property/TypeConverter/Double2Converter.php
new file mode 100644
index 0000000..06ad658
--- /dev/null
+++ b/Classes/Property/TypeConverter/Double2Converter.php
@@ -0,0 +1,88 @@
+<?php
+namespace Cjel\TemplatesAide\Property\TypeConverter;
+
+/***
+ *
+ * This file is part of the "Templates Aide" Extension for TYPO3 CMS.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ *  (c) 2020 Philipp Dieter <philippdieter@attic-media.net>
+ *
+ ***/
+
+use TYPO3\CMS\Extbase\Property\PropertyMappingConfigurationInterface;
+use TYPO3\CMS\Extbase\Property\TypeConverter\AbstractTypeConverter;
+
+/**
+ * Converter which transforms arrays to arrays.
+ */
+class Double2Converter extends AbstractTypeConverter
+{
+    /**
+     * @var array<string>
+     */
+    protected $sourceTypes = ['integer', 'string'];
+
+    /**
+     * @var string
+     */
+    protected $targetType = 'double2';
+
+    /**
+     * @var int
+     */
+    protected $priority = 10;
+
+    /**
+     * @param mixed $source
+     * @param string $targetType
+     * @return bool
+     * @internal only to be used within Extbase, not part of TYPO3 Core API.
+     */
+    public function canConvertFrom($source, $targetType)
+    {
+        return is_string($source) ||is_integer($source);
+    }
+
+    /**
+     * Copied from
+     * TYPO3\CMS\Core\DataHandling\DataHandler::checkValue_input_Eval
+     *
+     * @param string|array $source
+     * @param string $targetType
+     * @param array $convertedChildProperties
+     * @param PropertyMappingConfigurationInterface $configuration
+     * @return array
+     */
+    public function convertFrom(
+        $source,
+        $targetType,
+        array $convertedChildProperties = [],
+        PropertyMappingConfigurationInterface $configuration = null
+    ) {
+        $value = preg_replace('/[^0-9,\\.-]/', '', $source);
+        $negative = $value[0] === '-';
+        $value = strtr($value, [',' => '.', '-' => '']);
+        if (strpos($value, '.') === false) {
+            $value .= '.0';
+        }
+        $valueArray = explode('.', $value);
+        $dec = array_pop($valueArray);
+        $value = implode('', $valueArray) . '.' . $dec;
+        if ($negative) {
+            $value *= -1;
+        }
+        $value = number_format($value, 2, '.', '');
+        //\TYPO3\CMS\Extbase\Utility\DebuggerUtility::var_dump(
+        //    $source, null, 3
+        //);
+        //if (is_string($source)) {
+        //    if ($source === '') {
+        //        $source = [];
+        //    }
+        //}
+        return $value;
+    }
+}
diff --git a/ext_tables.php b/ext_tables.php
index 2106264..778d708 100644
--- a/ext_tables.php
+++ b/ext_tables.php
@@ -20,6 +20,9 @@ call_user_func(
 );
 ## EXTENSION BUILDER DEFAULTS END TOKEN - Everything BEFORE this line is overwritten with the defaults of the extension builder
 
+use Cjel\TemplatesAide\Property\TypeConverter\Double2Converter;
+use TYPO3\CMS\Extbase\Utility\ExtensionUtility;
+
 call_user_func(
     function()
     {
@@ -43,6 +46,9 @@ call_user_func(
             'Default Config'
         );
 
+
+        ExtensionUtility::registerTypeConverter(Double2Converter::class);
+
         if (TYPO3_MODE == 'BE') {
             //$pageRenderer = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(
             //    \TYPO3\CMS\Core\Page\PageRenderer::class