Added feature to append javascript into PDF; Added 'auto print' feature enabling pdf start to print automatically after opening

Author: rafaelsiqueira

src/PhpSigep/Pdf/ImprovedFPDF.php

@@ -3,16 +3,19 @@
 
 class ImprovedFPDF extends \PhpSigepFPDF
 {
-
     /**
      * @var int
      */
     private $lineHeightPadding = 33;
+
     /**
      * @var array
      */
     private $_savedState = array();
 
+    private $javascript;
+    private $n_js;
+
     function __construct($orientation = 'P', $unit = 'mm', $size = 'A4')
     {
         parent::__construct($orientation, $unit, $size);
@@ -138,6 +141,64 @@ function gdImage($im, $x=null, $y=null, $w=0, $h=0, $link='')
         $data = ob_get_clean();
         $this->MemImage($data, $x, $y, $w, $h, $link);
     }
+
+    function AutoPrint($dialog = false)
+    {
+        //Open the print dialog or start printing immediately on the standard printer
+        $param = ($dialog ? 'true' : 'false');
+        $script = "print($param);";
+        $this->IncludeJS($script);
+    }
+
+    function AutoPrintToPrinter($server, $printer, $dialog = false)
+    {
+        //Print on a shared printer (requires at least Acrobat 6)
+        $script = "var pp = getPrintParams();";
+
+        if ($dialog) {
+            $script .= "pp.interactive = pp.constants.interactionLevel.full;";
+        } else {
+            $script .= "pp.interactive = pp.constants.interactionLevel.silent;";
+        }
+
+        $script .= "pp.printerName = '" . $printer . "';";
+        $script .= "print(pp);";
+        $this->IncludeJS($script);
+
+    }
+
+    function IncludeJS($script) {
+        $this->javascript=$script;
+    }
+
+    function _putjavascript() {
+        $this->_newobj();
+        $this->n_js=$this->n;
+        $this->_out('<<');
+        $this->_out('/Names [(EmbeddedJS) '.($this->n+1).' 0 R]');
+        $this->_out('>>');
+        $this->_out('endobj');
+        $this->_newobj();
+        $this->_out('<<');
+        $this->_out('/S /JavaScript');
+        $this->_out('/JS '.$this->_textstring($this->javascript));
+        $this->_out('>>');
+        $this->_out('endobj');
+    }
+
+    function _putresources() {
+        parent::_putresources();
+        if (!empty($this->javascript)) {
+            $this->_putjavascript();
+        }
+    }
+
+    function _putcatalog() {
+        parent::_putcatalog();
+        if (!empty($this->javascript)) {
+            $this->_out('/Names <</JavaScript '.($this->n_js).' 0 R>>');
+        }
+    }
 }
 
 //Stream handler to read from global variables