#14 Adds possibility to load html styles from external file

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## 1.3.0
 - Adds support for TYPO3 8.7 LTS, [#18](https://github.com/bithost-gmbh/pdfviewhelpers/issues/18)
 - Adds PageBreakViewHelper, [#16](https://github.com/bithost-gmbh/pdfviewhelpers/issues/16)
+- Adds possibility to load html styles from external file, [#14](https://github.com/bithost-gmbh/pdfviewhelpers/issues/14)
 
 ## 1.2.3, March 21, 2017
 - Fixes configuration manager initialization error, [#19](https://github.com/bithost-gmbh/pdfviewhelpers/issues/19)

Classes/ViewHelpers/HtmlViewHelper.php

@@ -28,6 +28,8 @@
  *  This copyright notice MUST APPEAR in all copies of the script!
  * * */
 
+use Bithost\Pdfviewhelpers\Exception\ValidationException;
+
 /**
  * HtmlViewHelper
  *
@@ -38,18 +40,40 @@ class HtmlViewHelper extends AbstractContentElementViewHelper {
 	/**
 	 * @return void
 	 */
+	public function initializeArguments() {
+		parent::initializeArguments();
+
+		$this->registerArgument('styleSheet', 'string', '', FALSE, $this->settings['html']['styleSheet']);
+	}
+
+	/**
+	 * @return void
+	 *
+	 * @throws ValidationException if an invalid style sheet path is provided
+	 */
 	public function render() {
 		$html = $this->renderChildren();
+		$htmlStyle = '';
 		$color = $this->convertHexToRGB($this->settings['generalText']['color']);
 		$padding = $this->settings['generalText']['padding'];
 
+		if (!empty($this->arguments['styleSheet'])) {
+			$styleSheetPath = PATH_site . $this->arguments['styleSheet'];
+
+			if (!file_exists($styleSheetPath) || !is_readable($styleSheetPath)) {
+				throw new ValidationException('Path to style sheet "' . $styleSheetPath . '" does not exist or file is not readable. ERROR: 1492706529', 1492706529);
+			}
+
+			$htmlStyle = '<style>' . file_get_contents($styleSheetPath) . '</style>';
+		}
+
 		//reset settings to generalText
 		$this->getPDF()->SetTextColor($color['R'], $color['G'], $color['B']);
 		$this->getPDF()->SetFontSize($this->settings['generalText']['fontSize']);
 		$this->getPDF()->SetFont($this->settings['generalText']['fontFamily']);
 		$this->getPDF()->setCellPaddings($padding['left'], $padding['top'], $padding['right'], $padding['bottom']);
 
-		$this->getPDF()->writeHTML($html, TRUE, FALSE, TRUE, FALSE, '');
+		$this->getPDF()->writeHTML($htmlStyle . $html, TRUE, FALSE, TRUE, FALSE, '');
 	}
 
 }

Configuration/TypoScript/setup.txt

@@ -83,6 +83,9 @@ plugin.tx_pdfviewhelpers.settings {
 		bulletImageSrc = 
 		bulletSize = 1.5
 	}
+	html {
+		styleSheet =
+	}
 }
 
 module.tx_pdfviewhelpers < plugin.tx_pdfviewhelpers

Documentation/Configuration/Index.rst

@@ -106,6 +106,7 @@ Properties in plugin.tx_pdfviewhelpers.settings
 	list.bulletColor_               :ref:`t3tsref:data-type-string`       #000
 	list.bulletImageSrc_            :ref:`t3tsref:data-type-string`
 	list.bulletSize_                :ref:`t3tsref:data-type-float`        1.5
+	html.styleSheet_                :ref:`t3tsref:data-type-string`
 	=============================== ===================================== ==========================================
 
 
@@ -182,7 +183,7 @@ The title of the generated PDF document.
 .. _document.subject:
 
 document.subject
-""""""""""""""
+""""""""""""""""
 
 :typoscript:`plugin.tx_pdfviewhelpers.settings.document.subject =` :ref:`t3tsref:data-type-string`
 
@@ -374,6 +375,15 @@ list.bulletSize
 
 The size of the bullet as floating point value.
 
+.. _html.styleSheet:
+
+html.styleSheet
+"""""""""""""""
+
+:typoscript:`plugin.tx_pdfviewhelpers.settings.html.styleSheet =` :ref:`t3tsref:data-type-string`
+
+The path to a style sheet being used in the HtmlViewHelper. The path is relative to the webroot directory, e.g. "fileadmin/pdf_style.css".
+
 Advanced Customization
 ----------------------