Added a feature to write a page counter

Author: amici-infotech

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## 1.1.1 - 2024-06-29
+- Added a feature where pdf can have page counter and total variables to show a page counter in pdf file.
+
 ## 1.1.0 - 2023-11-16
 - Upgraded to use DomPdf v2.x.
 

composer.json

@@ -1,7 +1,7 @@
 {
 	"name": "amici/craft-super-pdf",
 	"description": "Create PDF files from html",
-	"version": "1.1.0",
+	"version": "1.1.1",
 	"type": "craft-plugin",
 	"keywords": ["craft", "cms", "craftcms", "craft-plugin","pdf", "amici", "dompdf", "twig-to-pdf", "create-pdf"],
 	"license": "proprietary",

src/SuperPdf.php

@@ -27,7 +27,7 @@ class SuperPdf extends Plugin
 	public $hasCpSection 		= false;
 	public $hasCpSettings 		= true;
     public static $pluginHandle = 'super-pdf';
-	public $schemaVersion 		= '1.1.0';
+	public $schemaVersion 		= '1.1.1';
 
 	public function init()
 	{

src/libraries/Pdf.php

@@ -110,15 +110,13 @@ private function _generate()
 			$this->dompdf->loadHtml($this->html);
 			$this->dompdf->render();
 
+			if(strpos($this->html, "SUPER_PDF_TOTAL_PAGES") !== false) {
+				$this->injectPageCount();
+			}
+
 			if($this->settings['encrypt'])
 			{
-				$allow = [];
-				if($this->settings['print']) 	$allow[] = 'print';
-				if($this->settings['modify']) 	$allow[] = 'modify';
-				if($this->settings['copy']) 	$allow[] = 'copy';
-				if($this->settings['add']) 		$allow[] = 'add';
-
-				$this->dompdf->getCanvas()->get_cpdf()->setEncryption($this->settings['password'], $this->settings['adminPassword'], $allow);
+				$this->injectEncryption();
 			}
 
 			if($this->settings['type'] == 'url')
@@ -150,6 +148,29 @@ private function _generate()
 
 	}
 
+	public function injectPageCount(): void
+	{
+		$canvas = $this->dompdf->getCanvas();
+		$pdf = $canvas->get_cpdf();
+
+		foreach ($pdf->objects as &$o) {
+			if ($o['t'] === 'contents') {
+				$o['c'] = str_replace('SUPER_PDF_TOTAL_PAGES', $canvas->get_page_count(), $o['c']);
+			}
+		}
+	}
+
+	public function injectEncryption(): void
+	{
+		$allow = [];
+		if($this->settings['print'])  $allow[] = 'print';
+		if($this->settings['modify']) $allow[] = 'modify';
+		if($this->settings['copy'])   $allow[] = 'copy';
+		if($this->settings['add']) 	  $allow[] = 'add';
+
+		$this->dompdf->getCanvas()->get_cpdf()->setEncryption($this->settings['password'], $this->settings['adminPassword'], $allow);
+	}
+
 	public function renderFileFromStorage($filename = "")
 	{
 		if($filename == "")