/** @file\r
Utility functions for UI presentation.\r
\r
-Copyright (c) 2004 - 2010, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
BOOLEAN mHiiPackageListUpdated;\r
UI_MENU_SELECTION *gCurrentSelection;\r
-\r
+EFI_HII_HANDLE mCurrentHiiHandle = NULL;\r
+EFI_GUID mCurrentFormSetGuid = {0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0}};\r
+UINT16 mCurrentFormId = 0;\r
\r
/**\r
Clear retangle with specified text attribute.\r
EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r
FORM_BROWSER_FORMSET *FormSet;\r
EFI_INPUT_KEY Key;\r
+ BOOLEAN SubmitFormIsRequired;\r
\r
gMenuRefreshHead = NULL;\r
gResetRequired = FALSE;\r
FormSet = Selection->FormSet;\r
+ ConfigAccess = Selection->FormSet->ConfigAccess;\r
\r
//\r
// Register notify for Form package update\r
return Status;\r
}\r
\r
- //\r
- // Before display the formset, invoke ConfigAccess.Callback() with EFI_BROWSER_ACTION_FORM_OPEN\r
- //\r
- ConfigAccess = Selection->FormSet->ConfigAccess;\r
- if ((ConfigAccess != NULL) && (Selection->Action != UI_ACTION_REFRESH_FORMSET)) {\r
- ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r
- mHiiPackageListUpdated = FALSE;\r
- Status = ConfigAccess->Callback (\r
- ConfigAccess,\r
- EFI_BROWSER_ACTION_FORM_OPEN,\r
- 0,\r
- EFI_IFR_TYPE_UNDEFINED,\r
- NULL,\r
- &ActionRequest\r
- );\r
-\r
- if (!EFI_ERROR (Status)) {\r
- switch (ActionRequest) {\r
- case EFI_BROWSER_ACTION_REQUEST_RESET:\r
- gResetRequired = TRUE;\r
- break;\r
-\r
- case EFI_BROWSER_ACTION_REQUEST_SUBMIT:\r
- //\r
- // Till now there is no uncommitted data, so ignore this request\r
- //\r
- break;\r
-\r
- case EFI_BROWSER_ACTION_REQUEST_EXIT:\r
- Selection->Action = UI_ACTION_EXIT;\r
- break;\r
-\r
- default:\r
- break;\r
- }\r
- }\r
-\r
- if (mHiiPackageListUpdated) {\r
- //\r
- // IFR is updated during callback, force to reparse the IFR binary\r
- //\r
- mHiiPackageListUpdated = FALSE;\r
- Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
- goto Done;\r
- }\r
- }\r
-\r
//\r
// Initialize current settings of Questions in this FormSet\r
//\r
Status = InitializeCurrentSetting (Selection->FormSet);\r
if (EFI_ERROR (Status)) {\r
- Selection->Action = UI_ACTION_EXIT;\r
goto Done;\r
}\r
\r
//\r
// No Form to display\r
//\r
- return EFI_NOT_FOUND;\r
+ Status = EFI_NOT_FOUND;\r
+ goto Done;\r
}\r
\r
//\r
//\r
if (Selection->Form->SuppressExpression != NULL) {\r
Status = EvaluateExpression (Selection->FormSet, Selection->Form, Selection->Form->SuppressExpression);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
+ if (EFI_ERROR (Status) || (Selection->Form->SuppressExpression->Result.Type != EFI_IFR_TYPE_BOOLEAN)) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
}\r
\r
if (Selection->Form->SuppressExpression->Result.Value.b) {\r
CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gFormSuppress, gPressEnter, gEmptyString);\r
} while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r
\r
- return EFI_NOT_FOUND;\r
+ Status = EFI_NOT_FOUND;\r
+ goto Done;\r
}\r
}\r
- \r
+\r
//\r
// Reset FormPackage update flag\r
//\r
mHiiPackageListUpdated = FALSE;\r
\r
+ //\r
+ // Before display new form, invoke ConfigAccess.Callback() with EFI_BROWSER_ACTION_FORM_OPEN\r
+ // for each question with callback flag.\r
+ // New form may be the first form, or the different form after another form close.\r
+ //\r
+ if ((ConfigAccess != NULL) &&\r
+ ((Selection->Handle != mCurrentHiiHandle) ||\r
+ (!CompareGuid (&Selection->FormSetGuid, &mCurrentFormSetGuid)) ||\r
+ (Selection->FormId != mCurrentFormId))) {\r
+\r
+ //\r
+ // Keep current form information\r
+ //\r
+ mCurrentHiiHandle = Selection->Handle;\r
+ CopyGuid (&mCurrentFormSetGuid, &Selection->FormSetGuid);\r
+ mCurrentFormId = Selection->FormId;\r
+\r
+ //\r
+ // Go through each statement in this form\r
+ //\r
+ SubmitFormIsRequired = FALSE;\r
+ Link = GetFirstNode (&Selection->Form->StatementListHead);\r
+ while (!IsNull (&Selection->Form->StatementListHead, Link)) {\r
+ Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link);\r
+ Link = GetNextNode (&Selection->Form->StatementListHead, Link);\r
+ \r
+ if ((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != EFI_IFR_FLAG_CALLBACK) {\r
+ continue;\r
+ }\r
+\r
+ //\r
+ // Check whether Statement is disabled.\r
+ //\r
+ if (Statement->DisableExpression != NULL) {\r
+ Status = EvaluateExpression (Selection->FormSet, Selection->Form, Statement->DisableExpression);\r
+ if (!EFI_ERROR (Status) && \r
+ (Statement->DisableExpression->Result.Type == EFI_IFR_TYPE_BOOLEAN) && \r
+ (Statement->DisableExpression->Result.Value.b)) {\r
+ continue;\r
+ }\r
+ }\r
+\r
+ ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r
+ Status = ConfigAccess->Callback (\r
+ ConfigAccess,\r
+ EFI_BROWSER_ACTION_FORM_OPEN,\r
+ Statement->QuestionId,\r
+ EFI_IFR_TYPE_UNDEFINED,\r
+ NULL,\r
+ &ActionRequest\r
+ );\r
+\r
+ if (!EFI_ERROR (Status)) {\r
+ switch (ActionRequest) {\r
+ case EFI_BROWSER_ACTION_REQUEST_RESET:\r
+ gResetRequired = TRUE;\r
+ break;\r
+\r
+ case EFI_BROWSER_ACTION_REQUEST_SUBMIT:\r
+ SubmitFormIsRequired = TRUE;\r
+ break;\r
+\r
+ case EFI_BROWSER_ACTION_REQUEST_EXIT:\r
+ Selection->Action = UI_ACTION_EXIT;\r
+ gNvUpdateRequired = FALSE;\r
+ break;\r
+\r
+ default:\r
+ break;\r
+ }\r
+ }\r
+ }\r
+ if (SubmitFormIsRequired) {\r
+ SubmitForm (Selection->FormSet, Selection->Form);\r
+ }\r
+ //\r
+ // EXIT requests to close form.\r
+ //\r
+ if (Selection->Action == UI_ACTION_EXIT) {\r
+ goto Done;\r
+ }\r
+ //\r
+ // IFR is updated during callback of open form, force to reparse the IFR binary\r
+ //\r
+ if (mHiiPackageListUpdated) {\r
+ Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
+ mHiiPackageListUpdated = FALSE;\r
+ goto Done;\r
+ }\r
+ }\r
+\r
//\r
// Load Questions' Value for display\r
//\r
Status = LoadFormSetConfig (Selection, Selection->FormSet);\r
if (EFI_ERROR (Status)) {\r
- return Status;\r
+ goto Done;\r
}\r
\r
+ //\r
+ // EXIT requests to close form.\r
+ //\r
+ if (Selection->Action == UI_ACTION_EXIT) {\r
+ goto Done;\r
+ }\r
//\r
// IFR is updated during callback of read value, force to reparse the IFR binary\r
//\r
//\r
Status = DisplayForm (Selection);\r
if (EFI_ERROR (Status)) {\r
- return Status;\r
+ goto Done;\r
}\r
\r
//\r
//\r
mHiiPackageListUpdated = FALSE;\r
\r
- if (((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK) == EFI_IFR_FLAG_CALLBACK) && (Statement->Operand != EFI_IFR_PASSWORD_OP)) {\r
- ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r
+ if ((ConfigAccess != NULL) && \r
+ ((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK) == EFI_IFR_FLAG_CALLBACK) && \r
+ (Statement->Operand != EFI_IFR_PASSWORD_OP)) {\r
\r
- if (ConfigAccess == NULL) {\r
- return EFI_UNSUPPORTED;\r
- }\r
+ ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r
\r
HiiValue = &Statement->HiiValue;\r
TypeValue = &HiiValue->Value;\r
- if (HiiValue->Type == EFI_IFR_TYPE_STRING) {\r
- //\r
- // Create String in HII database for Configuration Driver to retrieve\r
- //\r
- HiiValue->Value.string = NewString ((CHAR16 *) Statement->BufferValue, Selection->FormSet->HiiHandle);\r
- } else if (HiiValue->Type == EFI_IFR_TYPE_BUFFER) {\r
+ if (HiiValue->Type == EFI_IFR_TYPE_BUFFER) {\r
//\r
// For OrderedList, passing in the value buffer to Callback()\r
//\r
&ActionRequest\r
);\r
\r
- if (HiiValue->Type == EFI_IFR_TYPE_STRING) {\r
- //\r
- // Clean the String in HII Database\r
- //\r
- DeleteString (HiiValue->Value.string, Selection->FormSet->HiiHandle);\r
- }\r
-\r
if (!EFI_ERROR (Status)) {\r
switch (ActionRequest) {\r
case EFI_BROWSER_ACTION_REQUEST_RESET:\r
Selection->Action = UI_ACTION_REFRESH_FORMSET;\r
}\r
}\r
- } while (Selection->Action == UI_ACTION_REFRESH_FORM);\r
\r
- //\r
- // Before exit the formset, invoke ConfigAccess.Callback() with EFI_BROWSER_ACTION_FORM_CLOSE\r
- //\r
- if ((ConfigAccess != NULL) && (Selection->Action == UI_ACTION_EXIT)) {\r
- ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r
- Status = ConfigAccess->Callback (\r
- ConfigAccess,\r
- EFI_BROWSER_ACTION_FORM_CLOSE,\r
- 0,\r
- EFI_IFR_TYPE_UNDEFINED,\r
- NULL,\r
- &ActionRequest\r
- );\r
-\r
- if (!EFI_ERROR (Status)) {\r
- switch (ActionRequest) {\r
- case EFI_BROWSER_ACTION_REQUEST_RESET:\r
- gResetRequired = TRUE;\r
- break;\r
+ //\r
+ // Before exit the form, invoke ConfigAccess.Callback() with EFI_BROWSER_ACTION_FORM_CLOSE\r
+ // for each question with callback flag.\r
+ //\r
+ if ((ConfigAccess != NULL) && \r
+ ((Selection->Action == UI_ACTION_EXIT) || \r
+ (Selection->Handle != mCurrentHiiHandle) ||\r
+ (!CompareGuid (&Selection->FormSetGuid, &mCurrentFormSetGuid)) ||\r
+ (Selection->FormId != mCurrentFormId))) {\r
+ //\r
+ // Go through each statement in this form\r
+ //\r
+ SubmitFormIsRequired = FALSE;\r
+ Link = GetFirstNode (&Selection->Form->StatementListHead);\r
+ while (!IsNull (&Selection->Form->StatementListHead, Link)) {\r
+ Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link);\r
+ Link = GetNextNode (&Selection->Form->StatementListHead, Link);\r
+ \r
+ if ((Statement->QuestionFlags & EFI_IFR_FLAG_CALLBACK) != EFI_IFR_FLAG_CALLBACK) {\r
+ continue;\r
+ }\r
\r
- case EFI_BROWSER_ACTION_REQUEST_SUBMIT:\r
- SubmitForm (Selection->FormSet, Selection->Form);\r
- break;\r
+ ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;\r
+ Status = ConfigAccess->Callback (\r
+ ConfigAccess,\r
+ EFI_BROWSER_ACTION_FORM_CLOSE,\r
+ Statement->QuestionId,\r
+ EFI_IFR_TYPE_UNDEFINED,\r
+ NULL,\r
+ &ActionRequest\r
+ );\r
+\r
+ if (!EFI_ERROR (Status)) {\r
+ switch (ActionRequest) {\r
+ case EFI_BROWSER_ACTION_REQUEST_RESET:\r
+ gResetRequired = TRUE;\r
+ break;\r
\r
- case EFI_BROWSER_ACTION_REQUEST_EXIT:\r
- gNvUpdateRequired = FALSE;\r
- break;\r
+ case EFI_BROWSER_ACTION_REQUEST_SUBMIT:\r
+ SubmitFormIsRequired = TRUE;\r
+ break;\r
\r
- default:\r
- break;\r
+ case EFI_BROWSER_ACTION_REQUEST_EXIT:\r
+ Selection->Action = UI_ACTION_EXIT;\r
+ gNvUpdateRequired = FALSE;\r
+ break;\r
+\r
+ default:\r
+ break;\r
+ }\r
+ }\r
+ }\r
+ if (SubmitFormIsRequired) {\r
+ SubmitForm (Selection->FormSet, Selection->Form);\r
}\r
}\r
- }\r
+ } while (Selection->Action == UI_ACTION_REFRESH_FORM);\r
\r
//\r
// Record the old formset\r
gOldFormSet = FormSet;\r
\r
Done:\r
+ //\r
+ // Reset current form information to the initial setting when error happens or form exit.\r
+ //\r
+ if (EFI_ERROR (Status) || Selection->Action == UI_ACTION_EXIT) {\r
+ mCurrentHiiHandle = NULL;\r
+ CopyGuid (&mCurrentFormSetGuid, &gZeroGuid);\r
+ mCurrentFormId = 0;\r
+ }\r
+\r
//\r
// Unregister notify for Form package update\r
//\r
- Status = mHiiDatabase->UnregisterPackageNotify (\r
- mHiiDatabase,\r
- NotifyHandle\r
- );\r
+ mHiiDatabase->UnregisterPackageNotify (\r
+ mHiiDatabase,\r
+ NotifyHandle\r
+ );\r
return Status;\r
}\r
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