[TASK] Add stack to mark external links

Classes/UserFunc/ParseExternalLinks.php

@@ -0,0 +1,78 @@
+<?php
+namespace Cjel\TemplatesAide\UserFunc;
+
+/**
+ * This file is part of the "Site Templates" 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) 2021 Philipp Dieter <philipp@glanzstueck.agency>, Glanzstück GmbH
+ */
+
+use DiDom\Document;
+use DiDom\Element;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+class ParseExternalLinks
+{
+    /**
+     * @return string
+     */
+    public function render($content, $conf = [])
+    {
+        $domDocument = new \DOMDocument();
+        $testdocument = $domDocument->loadXML($content);
+        if ($testdocument === false) {
+            return $content;
+        }
+        $document = new Document($content);
+        $a = $document->find('a')[0];
+        $href = $a->getAttribute('href');
+        if (substr($href, 0, 7) != "http://"
+            && substr($href, 0, 8) != "https://"
+        ) {
+            return $content;
+        }
+        $parsedHref = parse_url($href);
+        if ($_SERVER['SERVER_NAME'] == $parsedHref['host']) {
+            return $content;
+        }
+        if ($a->getAttribute('target') == '_blank') {
+            $a->setAttribute('rel', 'noopener');
+        }
+        $class = $a->getAttribute('class');
+        if ($class) {
+            $class .= ' link link-external';
+        } else {
+            $class = 'link link-external';
+        }
+        $a->setAttribute('class', $class);
+        if ($conf['linkText']) {
+            $screenreaderHint = new Element('span', $conf['linkText'] . ' ');
+            $screenreaderHint->setAttribute('class', 'link-external-sr-only');
+            $a->prependChild($screenreaderHint);
+        }
+        if ($conf['iconFile']) {
+            $iconDataFile = GeneralUtility::getFileAbsFileName(
+                $conf['iconFile']
+            );
+            $iconData = file_get_contents($iconDataFile);
+            $icon = new Element('span');
+            $icon->setInnerHtml($iconData);
+            $icon->setAttribute('class', 'icon-link-external');
+            if ($iconPosition == 'start') {
+                $a->prepentChild($icon);
+            } else {
+                $a->appendChild($icon);
+            }
+        }
+        $innerHtml = $a->innerHtml();
+        $a->setInnerHtml(
+            '<span class="link-external-inner">'
+            . $innerHtml
+            . '</span>'
+        );
+        return $document->find('body')[0]->innerHtml();
+    }
+}

Classes/ViewHelpers/ImageAppendViewHelper.php

@@ -0,0 +1,78 @@
+<?php
+namespace Cjel\TemplatesAide\ViewHelpers;
+
+/***
+ *
+ * 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) 2021 Philipp Dieter <philippdieter@attic-media.net>
+ *
+ ***/
+
+use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractTagBasedViewHelper;
+use TYPO3\CMS\Extbase\Service\ImageService;
+use TYPO3\CMS\Core\Imaging\ImageMagickFile;
+
+/**
+ *
+ */
+class ImageAppendViewHelper extends AbstractTagBasedViewHelper
+{
+
+    /**
+     * ImageService
+     *
+     * @var ImageService
+     */
+    protected $imageService;
+
+    /**
+     * @param
+     */
+    public function injectImageService(
+        ImageService $imageService
+    ) {
+        $this->imageService = $imageService;
+    }
+
+    /**
+     * Initialize arguments.
+     */
+    public function initializeArguments()
+    {
+        parent::initializeArguments();
+        $this->registerUniversalTagAttributes();
+        $this->registerArgument('images', 'array', '');
+    }
+
+    /**
+     * Resizes a given image (if required) and renders the respective img tag
+     *
+     * @see https://docs.typo3.org/typo3cms/TyposcriptReference/ContentObjects/Image/
+     *
+     * @throws Exception
+     * @return string Rendered tag
+     */
+    public function render()
+    {
+        foreach ($this->arguments['images'] as $image) {
+            $imagePath = $image->getForLocalProcessing(false);
+            //$image = $this->imageService->getImage('', $imageArgument, true);
+            //$image = $this->imageService->getImageUri($image);
+
+            $imageMagickFile = ImageMagickFile::fromFilePath($imagePath, 0);
+
+            \TYPO3\CMS\Extbase\Utility\DebuggerUtility::var_dump(
+                $imageMagickFile, null, 3
+            );
+
+
+
+        }
+
+    }
+
+}

Resources/Private/TypoScript/Setup/parseExternalLinks.ts

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+page.10.stdWrap.parseFunc {
+    htmlSanitize = 0
+    externalBlocks = a
+    externalBlocks {
+        a.stdWrap.postUserFunc = Cjel\TemplatesAide\UserFunc\ParseExternalLinks->render
+        a.stdWrap.postUserFunc {
+            iconFile      = EXT:site_templates/Resources/Private/Partials/Atoms/IconExternalLinkFill.html
+            iconPosistion = end
+            linkText      = Externer Link zu
+        }
+    }
+}

src/styles/link-external.sass

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+.link-external
+  .link-external-inner
+    position: relative
+  .icon-circle-right
+    display: none
+  .icon-link-external
+    display: inline-block
+    position: relative
+    top: 2px
+    margin-left: 4px
+    //right: 2px
+    width: 16px
+    line-height: 1
+    div
+      display: inline-block
+  .svg-icon-element,
+  .svg-icon
+    display: block
+    width: 16px
+    height: 16px
+  .link-external-sr-only
+    position: absolute !important
+    margin: 0
+    border: 0
+    padding: 0
+    width: 1px
+    height: 1px
+    overflow: hidden
+    white-space: nowrap
+    clip: rect(1px 1px 1px 1px)
+    clip: rect(1px, 1px, 1px, 1px)
+    clip-path: inset(50%)
+  &.imagelink
+    padding-left: 0