Compatibility with Pressbooks 4.0, fixes #19.

.editorconfig

@@ -13,6 +13,9 @@ insert_final_newline = true
 trim_trailing_whitespace = true
 indent_style = tab
 
+[*.md]
+trim_trailing_whitespace = false
+
 [{.jshintrc,*.json,*.yml,*.scss}]
 indent_style = space
 indent_size = 2

.gitignore

@@ -0,0 +1,5 @@
+vendor/*
+!vendor/autoload.php
+!vendor/composer/*
+!vendor/mpdf/*
+!vendor/setasign/*

README.md

@@ -1,2 +1,3 @@
-# pressbooks-mpdf
-Open source PDF generation for Pressbooks via the mPDF library.
+# Pressbooks mPDF
+
+Open source PDF generation for [Pressbooks](https://github.com/pressbooks/pressbooks) via the [mPDF](https://github.com/mpdf/mpdf) library.

composer.json

@@ -1,5 +1,18 @@
 {
-    "require": {
-        "mpdf/mpdf": "^6.1"
-    }
+  "license": "GPL-2.0+",
+  "type" : "wordpress-plugin",
+  "require": {
+    "mpdf/mpdf": "^6.1"
+  },
+  "require-dev": {
+    "humanmade/coding-standards": "^0.2.1"
+  },
+  "scripts": {
+    "test": [
+      "@standards"
+    ],
+    "standards": [
+      "vendor/bin/phpcs --standard=phpcs.ruleset.xml *.php inc/"
+    ]
+  }
 }

hooks-admin.php

@@ -1,72 +1,12 @@
 <?php
-
-/**
- * Add this format to the export page formats list.
- *
- * @author Book Oven Inc. <code@pressbooks.com>
- * @param array $formats a multidimensional array of standard and exotic formats
- * @return array $formats
- */
-function pb_mpdf_add_to_formats( $formats ) {
-		$formats['standard'] = array( 'mpdf' => __( 'PDF (mPDF)', 'pressbooks' ) ) + $formats['standard'];
-		return $formats;
-}
-add_filter( 'pb_export_formats', 'pb_mpdf_add_to_formats' );
-
-/**
- * Add this module to the export batch currently in progress.
- *
- * @author Book Oven Inc. <code@pressbooks.com>
- * @param array $modules an array of active export module classnames
- * @return array $modules
- */
-function pb_mpdf_add_to_modules( $modules ) {
-	if ( isset( $_POST['export_formats']['mpdf'] ) ) { // @codingStandardsIgnoreLine
-		$modules[] = '\Pressbooks\Modules\Export\Mpdf\Pdf';
-	}
-	return $modules;
-}
-add_filter( 'pb_active_export_modules', 'pb_mpdf_add_to_modules' );
-
-/**
- * Add format-specific theme options to the theme options page.
- *
- * @author Book Oven Inc. <code@pressbooks.com>
- * @param array $tabs an array of theme options tabs ('slug' => '\Classname')
- * @return array $tabs
- */
-function pb_mpdf_add_theme_options_tab( $tabs ) {
-	$tabs['mpdf'] = '\Pressbooks\Modules\ThemeOptions\MPDFOptions';
-	return $tabs;
-}
-add_filter( 'pb_theme_options_tabs', 'pb_mpdf_add_theme_options_tab' );
-
 /**
- * MPDF overrides.
+ * @author    Brad Payne <brad@bradpayne.ca>
+ * @license   GPLv2
+ * @copyright Brad Payne
  *
- * @param string $scss
- * @return string $scss
  */
-function pb_mpdf_theme_css_override( $scss ) {
-	$options = get_option( 'pressbooks_theme_options_mpdf' );
-	$global_options = get_option( 'pressbooks_theme_options_global' );
 
-	// indent paragraphs
-	if ( $options['mpdf_indent_paragraphs'] ) {
-		$scss .= "p + p, .indent {text-indent: 2.0 em; }" . "\n";
-	}
-	// hyphenation
-	if ( $options['mpdf_hyphens'] ) {
-		$scss .= "p {hyphens: auto;}" . "\n";
-	}
-	// font-size
-	if ( $options['mpdf_fontsize'] ){
-                $scss .= 'body {font-size: 1.3em; line-height: 1.3; }' . "\n";
-        }
-	// chapter numbers
-	if ( ! $global_options['chapter_numbers'] ) {
-		$scss .= "h3.chapter-number {display: none;}" . "\n";
-	}
-	return $scss;
-}
-add_filter( 'pb_mpdf_css_override', 'pb_mpdf_theme_css_override' );
+add_filter( 'pb_export_formats', [ '\Pressbooks\Modules\Export\Mpdf\Pdf', 'addToFormats' ] );
+add_filter( 'pb_active_export_modules', [ '\Pressbooks\Modules\Export\Mpdf\Pdf', 'addToModules' ] );
+add_filter( 'pb_theme_options_tabs', [ '\Pressbooks\Modules\ThemeOptions\MpdfOptions', 'addTab' ] );
+add_filter( 'pb_mpdf_css_override', [ '\Pressbooks\Modules\ThemeOptions\MpdfOptions', 'scssOverrides' ] );