From 622ce645084b9b1f9fb8b27a6a343d868b377cd3 Mon Sep 17 00:00:00 2001
From: Dandan Bi <dandan.bi@intel.com>
Date: Fri, 15 Apr 2016 13:25:55 +0800
Subject: [PATCH] MdeModulePkg/DriverSampleDxe: Add a sample case

Add the sample case for orderedlist to get standard
default value from Callback function.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
---
 .../Universal/DriverSampleDxe/DriverSample.c  | 53 ++++++++++++++++++-
 .../Universal/DriverSampleDxe/NVDataStruc.h   |  1 +
 .../Universal/DriverSampleDxe/Vfr.vfr         | 13 ++++-
 3 files changed, 65 insertions(+), 2 deletions(-)

diff --git a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
index cdb8889e87..9c5d4bb61e 100644
--- a/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
+++ b/MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
@@ -68,6 +68,48 @@ HII_VENDOR_DEVICE_PATH  mHiiVendorDevicePath1 = {
   }
 };
 
+/**
+  Set value of a data element in an Array by its Index.
+
+  @param  Array                  The data array.
+  @param  Type                   Type of the data in this array.
+  @param  Index                  Zero based index for data in this array.
+  @param  Value                  The value to be set.
+
+**/
+VOID
+SetArrayData (
+  IN VOID                     *Array,
+  IN UINT8                    Type,
+  IN UINTN                    Index,
+  IN UINT64                   Value
+  )
+{
+
+  ASSERT (Array != NULL);
+
+  switch (Type) {
+  case EFI_IFR_TYPE_NUM_SIZE_8:
+    *(((UINT8 *) Array) + Index) = (UINT8) Value;
+    break;
+
+  case EFI_IFR_TYPE_NUM_SIZE_16:
+    *(((UINT16 *) Array) + Index) = (UINT16) Value;
+    break;
+
+  case EFI_IFR_TYPE_NUM_SIZE_32:
+    *(((UINT32 *) Array) + Index) = (UINT32) Value;
+    break;
+
+  case EFI_IFR_TYPE_NUM_SIZE_64:
+    *(((UINT64 *) Array) + Index) = (UINT64) Value;
+    break;
+
+  default:
+    break;
+  }
+}
+
 /**
   Add empty function for event process function.
 
@@ -1283,7 +1325,9 @@ DriverCallback (
   EFI_STRING                      Results;
   UINT32                          ProgressErr;
   CHAR16                          *TmpStr;
-  
+  UINTN                           Index;
+  UINT64                          BufferValue;
+
   if (((Value == NULL) && (Action != EFI_BROWSER_ACTION_FORM_OPEN) && (Action != EFI_BROWSER_ACTION_FORM_CLOSE))||
     (ActionRequest == NULL)) {
     return EFI_INVALID_PARAMETER;
@@ -1293,6 +1337,7 @@ DriverCallback (
   FormId = 0;
   ProgressErr = 0;
   Status = EFI_SUCCESS;
+  BufferValue = 3;
   PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
 
   switch (Action) {
@@ -1470,6 +1515,12 @@ DriverCallback (
         Value->u8 = DEFAULT_CLASS_STANDARD_VALUE;
       break;
 
+      case 0x1252:
+        for (Index = 0; Index < 3; Index ++) {
+          SetArrayData (Value, EFI_IFR_TYPE_NUM_SIZE_8, Index, BufferValue--);
+        }
+      break;
+
       default:
         Status = EFI_UNSUPPORTED;
       break;
diff --git a/MdeModulePkg/Universal/DriverSampleDxe/NVDataStruc.h b/MdeModulePkg/Universal/DriverSampleDxe/NVDataStruc.h
index 0b9e15f9bc..17b4d99c82 100644
--- a/MdeModulePkg/Universal/DriverSampleDxe/NVDataStruc.h
+++ b/MdeModulePkg/Universal/DriverSampleDxe/NVDataStruc.h
@@ -69,6 +69,7 @@ typedef struct {
   EFI_HII_TIME  Time;
   UINT8   RefreshGuidCount;
   UINT8   Match2;
+  UINT8   GetDefaultValueFromCallBackForOrderedList[3];
 } DRIVER_SAMPLE_CONFIGURATION;
 
 //
diff --git a/MdeModulePkg/Universal/DriverSampleDxe/Vfr.vfr b/MdeModulePkg/Universal/DriverSampleDxe/Vfr.vfr
index d1ce68dfb2..6e7b96bd8b 100644
--- a/MdeModulePkg/Universal/DriverSampleDxe/Vfr.vfr
+++ b/MdeModulePkg/Universal/DriverSampleDxe/Vfr.vfr
@@ -2,7 +2,7 @@
 //
 //    Sample Setup formset.
 //
-//  Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>
+//  Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
 //  This program and the accompanying materials
 //  are licensed and made available under the terms and conditions of the BSD License
 //  which accompanies this distribution.  The full text of the license may be found at
@@ -434,6 +434,17 @@ formset
             step    = 1,
             default = 18,
     endnumeric;
+
+    orderedlist
+        varid       = MyIfrNVData.GetDefaultValueFromCallBackForOrderedList,
+        questionid  = 0x1252,
+        prompt      = STRING_TOKEN(STR_DEFAULT_VALUE_FROM_CALLBACK_PROMPT),
+        help        = STRING_TOKEN(STR_DEFAULT_VALUE_FROM_CALLBACK_HELP),
+        flags       = INTERACTIVE,
+        option text = STRING_TOKEN(STR_ONE_OF_TEXT1), value = 1, flags = 0;
+        option text = STRING_TOKEN(STR_ONE_OF_TEXT2), value = 2, flags = 0;
+        option text = STRING_TOKEN(STR_ONE_OF_TEXT3), value = 3, flags = 0;
+    endlist;
         
     resetbutton
       defaultstore = MyStandardDefault,
-- 
2.39.2