Updated invoice pdf support Dompdf to 0.7.0 (#839)

application/helpers/dompdf/src/JavascriptEmbedder.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * @package dompdf
+ * @link    http://dompdf.github.com/
+ * @author  Fabien Ménager <fabien.menager@gmail.com>
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ */
+namespace Dompdf;
+
+use Dompdf\Frame;
+
+/**
+ * Embeds Javascript into the PDF document
+ *
+ * @package dompdf
+ */
+class JavascriptEmbedder
+{
+
+    /**
+     * @var Dompdf
+     */
+    protected $_dompdf;
+
+    function __construct(Dompdf $dompdf)
+    {
+        $this->_dompdf = $dompdf;
+    }
+
+    function insert($script)
+    {
+        $this->_dompdf->get_canvas()->javascript($script);
+    }
+
+    function render(Frame $frame)
+    {
+        if (!$this->_dompdf->get_option("enable_javascript")) {
+            return;
+        }
+
+        $this->insert($frame->get_node()->nodeValue);
+    }
+}