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Block/Adminhtml/Form/Field/CcTypes.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace TNW\Stripe\Block\Adminhtml\Form\Field;
+
+use TNW\Stripe\Helper\CcType;
+use Magento\Framework\View\Element\Context;
+use Magento\Framework\View\Element\Html\Select;
+
+/**
+ * Class CcTypes
+ */
+class CcTypes extends Select
+{
+    /**
+     * @var CcType
+     */
+    private $ccTypeHelper;
+
+    /**
+     * Constructor
+     *
+     * @param Context $context
+     * @param CcType $ccTypeHelper
+     * @param array $data
+     */
+    public function __construct(
+        Context $context,
+        CcType $ccTypeHelper,
+        array $data = []
+    ) {
+        $this->ccTypeHelper = $ccTypeHelper;
+
+        parent::__construct($context, $data);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function _construct()
+    {
+        parent::_construct();
+
+        $this->setOptions($this->ccTypeHelper->getCcTypes())
+            ->setClass('cc-type-select')
+            ->setData('extra_params', 'multiple="multiple"');
+    }
+
+    /**
+     * Sets name for input element
+     *
+     * @param string $value
+     * @return $this
+     */
+    public function setInputName($value)
+    {
+        return $this->setData('name', $value . '[]');
+    }
+}

Block/Adminhtml/Form/Field/Countries.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace TNW\Stripe\Block\Adminhtml\Form\Field;
+
+use TNW\Stripe\Helper\Country;
+use Magento\Framework\View\Element\Context;
+use Magento\Framework\View\Element\Html\Select;
+
+/**
+ * Class Countries
+ */
+class Countries extends Select
+{
+    /**
+     * @var Country
+     */
+    private $countryHelper;
+
+    /**
+     * Constructor
+     *
+     * @param Context $context
+     * @param Country $countryHelper
+     * @param array $data
+     */
+    public function __construct(
+        Context $context,
+        Country $countryHelper,
+        array $data = []
+    ) {
+        $this->countryHelper = $countryHelper;
+
+        parent::__construct($context, $data);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    protected function _construct()
+    {
+        parent::_construct();
+
+        $this->setOptions($this->countryHelper->getCountries());
+    }
+
+    /**
+     * Sets name for input element
+     *
+     * @param string $value
+     * @return $this
+     */
+    public function setInputName($value)
+    {
+        return $this->setData('name', $value);
+    }
+}

Block/Adminhtml/Form/Field/CountryCreditCard.php

@@ -0,0 +1,107 @@
+<?php
+
+namespace TNW\Stripe\Block\Adminhtml\Form\Field;
+
+use Magento\Config\Block\System\Config\Form\Field\FieldArray\AbstractFieldArray;
+use Magento\Framework\DataObject;
+
+/**
+ * Class CountryCreditCard
+ */
+class CountryCreditCard extends AbstractFieldArray
+{
+    /**
+     * @var Countries
+     */
+    private $countryRenderer = null;
+
+    /**
+     * @var CcTypes
+     */
+    private $ccTypesRenderer = null;
+
+    /**
+     * Returns renderer for country element
+     *
+     * @return Countries
+     * @throws \Magento\Framework\Exception\LocalizedException
+     */
+    private function getCountryRenderer()
+    {
+        if (!$this->countryRenderer) {
+            $this->countryRenderer = $this->getLayout()->createBlock(
+                Countries::class,
+                '',
+                ['data' => ['is_render_to_js_template' => true]]
+            );
+        }
+
+        return $this->countryRenderer;
+    }
+
+    /**
+     * Returns renderer for country element
+     *
+     * @return CcTypes
+     * @throws \Magento\Framework\Exception\LocalizedException
+     */
+    private function getCcTypesRenderer()
+    {
+        if (!$this->ccTypesRenderer) {
+            $this->ccTypesRenderer = $this->getLayout()->createBlock(
+                CcTypes::class,
+                '',
+                ['data' => ['is_render_to_js_template' => true]]
+            );
+        }
+
+        return $this->ccTypesRenderer;
+    }
+
+    /**
+     * Prepare to render
+     * @return void
+     * @throws \Magento\Framework\Exception\LocalizedException
+     */
+    protected function _prepareToRender()
+    {
+        $this->addColumn('country_id', [
+            'label'     => __('Country'),
+            'renderer'  => $this->getCountryRenderer(),
+        ]);
+
+        $this->addColumn('cc_types', [
+            'label' => __('Allowed Credit Card Types'),
+            'renderer'  => $this->getCcTypesRenderer(),
+        ]);
+
+        $this->_addAfter = false;
+        $this->_addButtonLabel = __('Add Rule');
+    }
+
+    /**
+     * Prepare existing row data object
+     *
+     * @param DataObject $row
+     * @return void
+     * @throws \Magento\Framework\Exception\LocalizedException
+     */
+    protected function _prepareArrayRow(DataObject $row)
+    {
+        $options = [];
+
+        $country = $row->getData('country_id');
+        if ($country) {
+            $options['option_' . $this->getCountryRenderer()->calcOptionHash($country)]
+                = 'selected="selected"';
+
+            $ccTypes = $row->getData('cc_types');
+            foreach ($ccTypes as $cardType) {
+                $options['option_' . $this->getCcTypesRenderer()->calcOptionHash($cardType)]
+                    = 'selected="selected"';
+            }
+        }
+
+        $row->setData('option_extra_attrs', $options);
+    }
+}

Block/Adminhtml/System/Config/Fieldset/Hint.php

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+<?php
+/**
+ * See LICENSE.txt for license details.
+ */
+namespace TNW\Stripe\Block\Adminhtml\System\Config\Fieldset;
+
+use Magento\Backend\Block\Template;
+use Magento\Framework\Data\Form\Element\AbstractElement;
+use Magento\Framework\Data\Form\Element\Renderer\RendererInterface;
+
+/**
+ * Class Hint adds "Configuration Details" link to payment configuration.
+ * `<comment>` node must be defined in `<group>` node and contain some link.
+ */
+class Hint extends Template implements RendererInterface
+{
+    /**
+     * @param AbstractElement $element
+     * @return string
+     */
+    public function render(AbstractElement $element)
+    {
+        if (!$element->getData('comment')) {
+            return '';
+        }
+
+        return sprintf(
+            '<tr id="row_%s"><td colspan="1"><p class="note"><span><a href="%s" target="_blank">%s</a></span></p></td></tr>',
+            $element->getHtmlId(),
+            $element->getData('comment'),
+            __('Configuration Details')
+        );
+    }
+}