From 705071363456b3e3e4e5a943963288ca1fbfcb3b Mon Sep 17 00:00:00 2001
From: Roman Perin <roman.perin@teamdev.com>
Date: Thu, 14 May 2015 14:17:56 +0300
Subject: [PATCH]  There was added ability to check previous value of dropdown
 field after it was changed. This was done for issue #100.

---
 .../resources/openfaces/input/dropDownField.js         | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/openFaces/source/META-INF/resources/openfaces/input/dropDownField.js b/openFaces/source/META-INF/resources/openfaces/input/dropDownField.js
index ae2435439..7590b0db4 100644
--- a/openFaces/source/META-INF/resources/openfaces/input/dropDownField.js
+++ b/openFaces/source/META-INF/resources/openfaces/input/dropDownField.js
@@ -425,6 +425,8 @@ O$.DropDownField = {
           if (dropDown._ddf_focused)
             O$._selectTextRange(field, field.value.length, field.value.length);
 
+          dropDown._previousLabel = dropDown._lastOnchangeItemLabel;
+          dropDown._previousValue = dropDown._lastOnchangeItemValue;
           dropDown._lastOnchangeItemLabel = dropDown.value;
           dropDown._lastOnchangeItemValue = dropDown._selectedItemValue;
 
@@ -470,6 +472,14 @@ O$.DropDownField = {
         dropDown._setValue(text);
       },
 
+      getPreviousLabel: function() {
+        return dropDown._previousLabel ? dropDown._previousLabel : dropDown.value;
+      },
+
+      getPreviousValue: function() {
+        return dropDown._previousValue ? dropDown._previousValue : dropDown._selectedItemValue;
+      },
+
       _setItemPresentationValue:function () {
 
         var selectedItem = dropDown._getSelectedItem();