From eac832c5c5c4569ab468f852db42e2bda4124e36 Mon Sep 17 00:00:00 2001
From: Coleman Watts <coleman@civicrm.org>
Date: Thu, 2 Apr 2015 21:31:27 -0400
Subject: [PATCH] CRM-16164 - Fix adding fields when reusing saved mapping

---
 CRM/Export/Form/Map.php | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/CRM/Export/Form/Map.php b/CRM/Export/Form/Map.php
index cc26bfbd60..4697e72954 100644
--- a/CRM/Export/Form/Map.php
+++ b/CRM/Export/Form/Map.php
@@ -66,14 +66,22 @@ class CRM_Export_Form_Map extends CRM_Core_Form {
    */
   public function preProcess() {
     $this->_exportColumnCount = $this->get('exportColumnCount');
+    $this->_mappingId = $this->get('mappingId');
+
     if (!$this->_exportColumnCount) {
-      $this->_exportColumnCount = 10;
+      // Set default from saved mapping
+      if ($this->_mappingId) {
+        $mapping = new CRM_Core_DAO_MappingField();
+        $mapping->mapping_id = $this->_mappingId;
+        $this->_exportColumnCount = $mapping->count();
+      }
+      else {
+        $this->_exportColumnCount = 10;
+      }
     }
     else {
-      $this->_exportColumnCount = $this->_exportColumnCount + 10;
+      $this->_exportColumnCount += 10;
     }
-
-    $this->_mappingId = $this->get('mappingId');
   }
 
   public function buildQuickForm() {
-- 
2.25.1