From 4568df1c2e0e87807fb2197dc8f7e17dde8be0d7 Mon Sep 17 00:00:00 2001
From: Fabian Kessler <fabian.kessler@optimaize.com>
Date: Wed, 17 Jul 2013 18:26:33 +0300
Subject: [PATCH] feature to encode the submit value as csv string

my server does not support the value coming in as array or json. but a comma separated list of values as a single string is very convenient. so i added this feature. just set the encodeSubmitValue field to 'csv', works for me.
---
 src/BoxSelect.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/BoxSelect.js b/src/BoxSelect.js
index 7060292..ef41ec7 100644
--- a/src/BoxSelect.js
+++ b/src/BoxSelect.js
@@ -115,6 +115,7 @@ Ext.define('Ext.ux.form.field.BoxSelect', {
      *
      * - `true` for the field value to submit as a json encoded array in a single GET/POST variable
      * - `false` for the field to submit as an array of GET/POST variables
+     * - 'csv' returns the values as a string separated by this.delimiter (which defaults to ', ')
      */
     encodeSubmitValue: false,
 
@@ -1354,8 +1355,12 @@ Ext.define('Ext.ux.form.field.BoxSelect', {
         var me = this,
         val = me.callParent(arguments);
 
-        if (me.multiSelect && me.encodeSubmitValue && val && val[me.name]) {
-            val[me.name] = Ext.encode(val[me.name]);
+        if (me.multiSelect) {
+            if ((me.encodeSubmitValue==='csv') && val && val[me.name]) {
+                val[me.name] = val[me.name].join(this.delimiter);
+            } else if (me.encodeSubmitValue && val && val[me.name]) {
+                val[me.name] = Ext.encode(val[me.name]);
+            }
         }
 
         return val;