From 21ffc90f1cf6d98460891109a789490a6956b1f3 Mon Sep 17 00:00:00 2001
From: josebc <jose_bc@live.co.uk>
Date: Mon, 17 Feb 2014 19:50:21 +0200
Subject: [PATCH] Issue #1684892 patch for the 2.x branch of the project.

---
 commerce_coupon.info                               |    3 +-
 includes/views/commerce_coupon.views.inc           |   10 ++
 .../commerce_coupon_handler_area_cart_form.inc     |  126 ++++++++++++++++++++
 3 files changed, 138 insertions(+), 1 deletion(-)
 create mode 100644 includes/views/handlers/commerce_coupon_handler_area_cart_form.inc

diff --git a/commerce_coupon.info b/commerce_coupon.info
index 393f916..4c89a96 100644
--- a/commerce_coupon.info
+++ b/commerce_coupon.info
@@ -12,4 +12,5 @@ files[] = includes/views/handlers/commerce_coupon_handler_field_coupon_edit.inc
 files[] = includes/views/handlers/commerce_coupon_handler_field_coupon_link.inc
 files[] = includes/views/handlers/commerce_coupon_handler_argument_coupon_id.inc
 files[] = includes/views/handlers/commerce_coupon_handler_argument_coupon_code.inc
-files[] = commerce_coupon.info.inc
\ No newline at end of file
+files[] = includes/views/handlers/commerce_coupon_handler_area_cart_form.inc
+files[] = commerce_coupon.info.inc
diff --git a/includes/views/commerce_coupon.views.inc b/includes/views/commerce_coupon.views.inc
index 4ad3f1f..ccaeff4 100644
--- a/includes/views/commerce_coupon.views.inc
+++ b/includes/views/commerce_coupon.views.inc
@@ -75,6 +75,16 @@ function commerce_coupon_views_data_alter(&$data) {
       'handler' => 'commerce_coupon_handler_argument_coupon_id'
     );
   }
+
+  // Expose the coupon form item on the form.
+  $data['commerce_order']['coupon_cart_form'] = array(
+    'title' => t('Coupon cart form'),
+    'help' => t('Coupon cart form.'),
+    'area' => array(
+      'handler' => 'commerce_coupon_handler_area_cart_form',
+    ),
+  );
+
 }
 
 /**
diff --git a/includes/views/handlers/commerce_coupon_handler_area_cart_form.inc b/includes/views/handlers/commerce_coupon_handler_area_cart_form.inc
new file mode 100644
index 0000000..69927ea
--- /dev/null
+++ b/includes/views/handlers/commerce_coupon_handler_area_cart_form.inc
@@ -0,0 +1,126 @@
+<?php
+/**
+ * @file
+ * Displays a commerce coupon form field item on cart's form:
+ */
+
+class commerce_coupon_handler_area_cart_form extends views_handler_area {
+
+  function option_definition() {
+    $options = parent::option_definition();
+
+    $options['weight']['default'] = 99;
+
+    return $options;
+  }
+
+  /**
+   * Options form
+   */
+
+  function options_form(&$form, &$form_state) {
+    parent::options_form($form, $form_state);
+    unset($form['empty']);
+
+    $form['weight'] = array(
+      '#type' => 'textfield',
+      '#title' => t('Form item weight'),
+      '#default_value' => $this->options['weight'],
+      '#required' => TRUE,
+    );
+  }
+
+  function options_validate($form, &$form_state) {
+    $weight = $form_state['values']['options']['weight'];
+    // Weight must be an integer:
+    if (!is_null($weight )&& (!is_numeric($weight)) || (int) $weight != $weight) {
+      form_set_error('options][weight', t('!name field must be an integer.', array('!name' => $form['weight']['#title'])));
+    }
+  }
+
+
+  function render($values) {
+    // Render a Views form item placeholder.
+    // This causes Views to wrap the View in a form.
+    // Render a Views form item placeholder.
+    return '<!--form-item-' . $this->options['id'] . '-->';
+  }
+
+  /**
+   * This handler never outputs data when the view is empty.
+   */
+  function views_form_empty($empty) {
+    return $empty;
+  }
+
+  /**
+   * Views form
+   */
+  function views_form(&$form, &$form_state) {
+
+    $form[$this->options['id']] = array(
+      '#type' => 'container',
+      '#prefix' => '<div class="commerce-coupon-handler-area-cart-form">',
+      '#suffix' => '</div>',
+      '#weight' => $this->options['weight'],
+    );
+
+    $form[$this->options['id']]['coupon_code'] = array(
+      '#type' => 'textfield',
+      '#title' => t('Coupon code'),
+      '#description' => t('Enter here your coupon code.'),
+    );
+
+    $form[$this->options['id']]['coupon_add'] = array(
+      '#type' => 'submit',
+      '#name' => 'coupon_add',
+      '#value' => t('Add coupon'),
+      '#validate' => array('commerce_coupon_handler_area_cart_form_validate'),
+      '#submit' => array('commerce_coupon_handler_area_cart_form_submit'),
+    );
+
+    // First look for an order_id argument.
+    foreach ($this->view->argument as $name => $argument) {
+      if ($argument instanceof commerce_order_handler_argument_order_order_id) {
+        // If it is single value...
+        if (count($argument->value) == 1) {
+          $order_id = reset($argument->value);
+          break;
+        }
+      }
+    }
+
+    $order = !empty($order_id) ? commerce_order_load($order_id) : commerce_cart_order_load($GLOBALS['user']->uid);
+    $coupon_review_view = views_get_view('commerce_coupon_review_pane');
+    if (!empty($coupon_review_view) && $coupon_review_view->access('checkout')) {
+      $form[$this->options['id']]['coupon_list'] = array(
+       '#markup' => $coupon_review_view->preview('default', array($order->order_id)),
+     );
+    }
+  }
+
+}
+
+/**
+ * Validate: function commerce_coupon_handler_area_cart_form
+ */
+
+function commerce_coupon_handler_area_cart_form_validate($form, $form_state) {
+  $code  = $form_state['values']['coupon_code'];
+  $order = $form_state['order'];
+
+  if (empty($code)) {
+    form_set_error('coupon_code', t('Your coupon code is required.'));
+  }
+}
+
+/**
+ * Submit: function commerce_coupon_handler_area_cart_form
+ */
+
+function commerce_coupon_handler_area_cart_form_submit($form, $form_state) {
+  $code  = $form_state['values']['coupon_code'];
+  $order = $form_state['order'];
+
+  commerce_coupon_redeem_coupon_code($code, $order);
+}
-- 
1.7.9.5