Issue #1719454 by theo_, bojanz: allow the line item summary area handler to...

Issue #1719454 by theo_, bojanz: allow the line item summary area handler to display in the no results area and simplify our empty text area handler code.

modules/customer/includes/views/handlers/commerce_customer_handler_area_empty_text.inc

@@ -8,9 +8,6 @@ class commerce_customer_handler_area_empty_text extends views_handler_area {
   function option_definition() {
     $options = parent::option_definition();
 
-    // Undefine the empty option.
-    unset($options['empty']);
-
     // Define an option to link to a customer profile add form.
     $options['add_path'] = array('default' => '');
 
@@ -20,9 +17,6 @@ class commerce_customer_handler_area_empty_text extends views_handler_area {
   function options_form(&$form, &$form_state) {
     parent::options_form($form, $form_state);
 
-    // Don't display a form element for the undefined empty option.
-    unset($form['empty']);
-
     $form['add_path'] = array(
       '#type' => 'textfield',
       '#title' => t('Path to a customer profile add form'),

modules/line_item/includes/views/handlers/commerce_line_item_handler_area_line_item_summary.inc

@@ -9,9 +9,6 @@ class commerce_line_item_handler_area_line_item_summary extends views_handler_ar
   function option_definition() {
     $options = parent::option_definition();
 
-    // Undefine the empty option.
-    unset($options['empty']);
-
     // Define an option to control the links displayed in the summary.
     $options['links'] = array('default' => array());
 
@@ -31,9 +28,6 @@ class commerce_line_item_handler_area_line_item_summary extends views_handler_ar
   function options_form(&$form, &$form_state) {
     parent::options_form($form, $form_state);
 
-    // Don't display a form element for the undefined empty option.
-    unset($form['empty']);
-
     // Add checkboxes for the summary links if any are available.
     $options = array();
 
@@ -84,7 +78,7 @@ class commerce_line_item_handler_area_line_item_summary extends views_handler_ar
   }
 
   function render($empty = FALSE) {
-    if (!$empty) {
+    if (!$empty || !empty($this->options['empty'])) {
       // Build an array of line item IDs from the View results that we will load
       // and use for calculating totals.
       $line_item_ids = array();

modules/order/includes/views/handlers/commerce_order_handler_area_empty_text.inc

@@ -8,9 +8,6 @@ class commerce_order_handler_area_empty_text extends views_handler_area {
   function option_definition() {
     $options = parent::option_definition();
 
-    // Undefine the empty option.
-    unset($options['empty']);
-
     // Define an option to link to an order creation form.
     $options['add_path'] = array('default' => '');
 
@@ -20,9 +17,6 @@ class commerce_order_handler_area_empty_text extends views_handler_area {
   function options_form(&$form, &$form_state) {
     parent::options_form($form, $form_state);
 
-    // Don't display a form element for the undefined empty option.
-    unset($form['empty']);
-
     $form['add_path'] = array(
       '#type' => 'textfield',
       '#title' => t('Path to an order creation form'),

modules/product/includes/views/handlers/commerce_product_handler_area_empty_text.inc

@@ -8,9 +8,6 @@ class commerce_product_handler_area_empty_text extends views_handler_area {
   function option_definition() {
     $options = parent::option_definition();
 
-    // Undefine the empty option.
-    unset($options['empty']);
-
     // Define an option to link to a product add form.
     $options['add_path'] = array('default' => '');
 
@@ -20,9 +17,6 @@ class commerce_product_handler_area_empty_text extends views_handler_area {
   function options_form(&$form, &$form_state) {
     parent::options_form($form, $form_state);
 
-    // Don't display a form element for the undefined empty option.
-    unset($form['empty']);
-
     $form['add_path'] = array(
       '#type' => 'textfield',
       '#title' => t('Path to a product add form'),