test

booking.admin.inc

@@ -35,6 +35,17 @@ function booking_admin() {
 		'#collapsible' => TRUE,     
   );
 
+  $form['features']['booking_enable_html_mail'] = array(
+    '#type' => 'radios',
+    '#title' => t('Enable html emails?'),
+    '#description' => t('Turn this feature on for html based emails, otherwise plaintext emails will be used. HTML based emails will require a custom template file to be defined.'),
+    '#options' => array(
+      0 => t('No'),
+      t('Yes')
+    ),
+    '#default_value' => variable_get('booking_enable_html_mail', 0)
+  );  
+  
   $form['email']['booking_from_email'] = array(
     '#type' => 'textfield',
     '#title' => t('Sender Email Address'),

booking.emails_admin.inc

@@ -48,6 +48,18 @@ function booking_emails_admin() {
   $booking_email_notcoming_demotion = "";
   $booking_email_paymentoutstanding_married_text = "";  
 
+  if(variable_get('booking_enable_html_mail', 0) == 1) {
+    $textarea_defaults = array(
+    '#type' => 'text_format',
+    '#format' => 'full_html',      
+    );
+  }
+  else {
+    $textarea_defaults = array(
+    '#type' => 'textarea',    
+    );
+  }
+  
   //include the token definitions
   $form['tokens'] = array(
     '#theme' => 'token_tree',
@@ -70,12 +82,10 @@ function booking_emails_admin() {
   );		
   $form['emails']['booking_email_bookedin_text'] = array(
     '#title' => t('Registration Successful Email'),
-    //'#type' => 'textarea',
-    '#type' => 'text_format',
-    '#format' => 'full_html',
     '#description' => t('Text to use in an email indicating the person has booked in, paid their deposit and is not on the waiting list'),
     '#default_value' => variable_get('booking_email_bookedin_text', $default_email_text),
   );	
+  $form['emails']['booking_email_bookedin_text'][] = $textarea_defaults;
   $form['emails']['booking_email_regn_complete_text'] = array(
     '#title' => t('Payment Complete Email'),
     '#type' => 'textarea',

booking.install

@@ -651,6 +651,15 @@ function booking_update_7242() {
 	_booking_node_create_mysqlview();	
 }	
 
+/**
+* Add support for html emails
+*/
+function booking_update_7243() {
+  $current = variable_get('mail_system', array('default-system' => 'DefaultMailSystem'));
+  $addition = array('booking' => 'BookingMailSystem');
+  variable_set('mail_system', array_merge($current, $addition));
+}
+
 /**
  * Implementation of hook_install().
  */
@@ -692,6 +701,7 @@ function booking_uninstall() {
 
 /**
   * Implement hook_enable()
+	* Based on https://drupal.stackexchange.com/questions/23821/email-a-whole-node-including-template-contents
   */
 function booking_enable() {
 	drupal_set_message($message = t('The Booking System module was successfully enabled.'), $type = 'status');