// Copyright 2016 PDFium Authors. All rights reserved.
|
// Use of this source code is governed by a BSD-style license that can be
|
// found in the LICENSE file.
|
|
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
|
|
#include "fpdfsdk/cpdfsdk_interform.h"
|
|
#include <algorithm>
|
#include <memory>
|
#include <sstream>
|
#include <string>
|
#include <vector>
|
|
#include "core/fpdfapi/page/cpdf_page.h"
|
#include "core/fpdfapi/parser/cfdf_document.h"
|
#include "core/fpdfapi/parser/cpdf_array.h"
|
#include "core/fpdfapi/parser/cpdf_document.h"
|
#include "core/fpdfapi/parser/cpdf_stream.h"
|
#include "core/fpdfdoc/cpdf_actionfields.h"
|
#include "core/fpdfdoc/cpdf_interform.h"
|
#include "core/fxge/cfx_graphstatedata.h"
|
#include "core/fxge/cfx_pathdata.h"
|
#include "fpdfsdk/cba_annotiterator.h"
|
#include "fpdfsdk/cpdfsdk_annot.h"
|
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
|
#include "fpdfsdk/cpdfsdk_pageview.h"
|
#include "fpdfsdk/cpdfsdk_widget.h"
|
#include "fpdfsdk/formfiller/cffl_formfiller.h"
|
#include "fpdfsdk/fsdk_actionhandler.h"
|
#include "fpdfsdk/fsdk_define.h"
|
#include "fpdfsdk/ipdfsdk_annothandler.h"
|
#include "fxjs/ijs_event_context.h"
|
#include "fxjs/ijs_runtime.h"
|
#include "third_party/base/stl_util.h"
|
|
#ifdef PDF_ENABLE_XFA
|
#include "fpdfsdk/cpdfsdk_xfawidget.h"
|
#include "fpdfsdk/fpdfxfa/cpdfxfa_context.h"
|
#include "fpdfsdk/fpdfxfa/cxfa_fwladaptertimermgr.h"
|
#include "xfa/fxfa/cxfa_eventparam.h"
|
#include "xfa/fxfa/cxfa_ffdocview.h"
|
#include "xfa/fxfa/cxfa_ffwidget.h"
|
#include "xfa/fxfa/cxfa_ffwidgethandler.h"
|
#endif // PDF_ENABLE_XFA
|
|
namespace {
|
|
bool IsFormFieldTypeComboOrText(FormFieldType fieldType) {
|
switch (fieldType) {
|
case FormFieldType::kComboBox:
|
case FormFieldType::kTextField:
|
return true;
|
default:
|
return false;
|
}
|
}
|
|
#ifdef PDF_ENABLE_XFA
|
bool IsFormFieldTypeXFA(FormFieldType fieldType) {
|
switch (fieldType) {
|
case FormFieldType::kXFA:
|
case FormFieldType::kXFA_CheckBox:
|
case FormFieldType::kXFA_ComboBox:
|
case FormFieldType::kXFA_ImageField:
|
case FormFieldType::kXFA_ListBox:
|
case FormFieldType::kXFA_PushButton:
|
case FormFieldType::kXFA_Signature:
|
case FormFieldType::kXFA_TextField:
|
return true;
|
default:
|
return false;
|
}
|
}
|
#endif // PDF_ENABLE_XFA
|
|
} // namespace
|
|
CPDFSDK_InterForm::CPDFSDK_InterForm(CPDFSDK_FormFillEnvironment* pFormFillEnv)
|
: m_pFormFillEnv(pFormFillEnv),
|
m_pInterForm(
|
pdfium::MakeUnique<CPDF_InterForm>(m_pFormFillEnv->GetPDFDocument())),
|
#ifdef PDF_ENABLE_XFA
|
m_bXfaCalculate(true),
|
m_bXfaValidationsEnabled(true),
|
#endif // PDF_ENABLE_XFA
|
m_bCalculate(true),
|
m_bBusy(false),
|
m_HighlightAlpha(0) {
|
m_pInterForm->SetFormNotify(this);
|
RemoveAllHighLights();
|
}
|
|
CPDFSDK_InterForm::~CPDFSDK_InterForm() {
|
m_Map.clear();
|
#ifdef PDF_ENABLE_XFA
|
m_XFAMap.clear();
|
#endif // PDF_ENABLE_XFA
|
}
|
|
bool CPDFSDK_InterForm::HighlightWidgets() {
|
return false;
|
}
|
|
CPDFSDK_Widget* CPDFSDK_InterForm::GetSibling(CPDFSDK_Widget* pWidget,
|
bool bNext) const {
|
auto pIterator = pdfium::MakeUnique<CBA_AnnotIterator>(
|
pWidget->GetPageView(), CPDF_Annot::Subtype::WIDGET);
|
|
if (bNext)
|
return static_cast<CPDFSDK_Widget*>(pIterator->GetNextAnnot(pWidget));
|
|
return static_cast<CPDFSDK_Widget*>(pIterator->GetPrevAnnot(pWidget));
|
}
|
|
CPDFSDK_Widget* CPDFSDK_InterForm::GetWidget(CPDF_FormControl* pControl) const {
|
if (!pControl || !m_pInterForm)
|
return nullptr;
|
|
CPDFSDK_Widget* pWidget = nullptr;
|
const auto it = m_Map.find(pControl);
|
if (it != m_Map.end())
|
pWidget = it->second;
|
if (pWidget)
|
return pWidget;
|
|
CPDF_Dictionary* pControlDict = pControl->GetWidget();
|
CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument();
|
CPDFSDK_PageView* pPage = nullptr;
|
|
if (CPDF_Dictionary* pPageDict = pControlDict->GetDictFor("P")) {
|
int nPageIndex = pDocument->GetPageIndex(pPageDict->GetObjNum());
|
if (nPageIndex >= 0)
|
pPage = m_pFormFillEnv->GetPageView(nPageIndex);
|
}
|
|
if (!pPage) {
|
int nPageIndex = GetPageIndexByAnnotDict(pDocument, pControlDict);
|
if (nPageIndex >= 0)
|
pPage = m_pFormFillEnv->GetPageView(nPageIndex);
|
}
|
|
if (!pPage)
|
return nullptr;
|
|
return static_cast<CPDFSDK_Widget*>(pPage->GetAnnotByDict(pControlDict));
|
}
|
|
void CPDFSDK_InterForm::GetWidgets(
|
const WideString& sFieldName,
|
std::vector<CPDFSDK_Annot::ObservedPtr>* widgets) const {
|
for (int i = 0, sz = m_pInterForm->CountFields(sFieldName); i < sz; ++i) {
|
CPDF_FormField* pFormField = m_pInterForm->GetField(i, sFieldName);
|
ASSERT(pFormField);
|
GetWidgets(pFormField, widgets);
|
}
|
}
|
|
void CPDFSDK_InterForm::GetWidgets(
|
CPDF_FormField* pField,
|
std::vector<CPDFSDK_Annot::ObservedPtr>* widgets) const {
|
for (int i = 0, sz = pField->CountControls(); i < sz; ++i) {
|
CPDF_FormControl* pFormCtrl = pField->GetControl(i);
|
ASSERT(pFormCtrl);
|
CPDFSDK_Widget* pWidget = GetWidget(pFormCtrl);
|
if (pWidget)
|
widgets->emplace_back(pWidget);
|
}
|
}
|
|
int CPDFSDK_InterForm::GetPageIndexByAnnotDict(
|
CPDF_Document* pDocument,
|
CPDF_Dictionary* pAnnotDict) const {
|
ASSERT(pAnnotDict);
|
|
for (int i = 0, sz = pDocument->GetPageCount(); i < sz; i++) {
|
if (CPDF_Dictionary* pPageDict = pDocument->GetPage(i)) {
|
if (CPDF_Array* pAnnots = pPageDict->GetArrayFor("Annots")) {
|
for (int j = 0, jsz = pAnnots->GetCount(); j < jsz; j++) {
|
CPDF_Object* pDict = pAnnots->GetDirectObjectAt(j);
|
if (pAnnotDict == pDict)
|
return i;
|
}
|
}
|
}
|
}
|
|
return -1;
|
}
|
|
void CPDFSDK_InterForm::AddMap(CPDF_FormControl* pControl,
|
CPDFSDK_Widget* pWidget) {
|
m_Map[pControl] = pWidget;
|
}
|
|
void CPDFSDK_InterForm::RemoveMap(CPDF_FormControl* pControl) {
|
m_Map.erase(pControl);
|
}
|
|
void CPDFSDK_InterForm::EnableCalculate(bool bEnabled) {
|
m_bCalculate = bEnabled;
|
}
|
|
bool CPDFSDK_InterForm::IsCalculateEnabled() const {
|
return m_bCalculate;
|
}
|
|
#ifdef PDF_ENABLE_XFA
|
void CPDFSDK_InterForm::AddXFAMap(CXFA_FFWidget* hWidget,
|
CPDFSDK_XFAWidget* pWidget) {
|
ASSERT(hWidget);
|
m_XFAMap[hWidget] = pWidget;
|
}
|
|
void CPDFSDK_InterForm::RemoveXFAMap(CXFA_FFWidget* hWidget) {
|
ASSERT(hWidget);
|
m_XFAMap.erase(hWidget);
|
}
|
|
CPDFSDK_XFAWidget* CPDFSDK_InterForm::GetXFAWidget(CXFA_FFWidget* hWidget) {
|
ASSERT(hWidget);
|
auto it = m_XFAMap.find(hWidget);
|
return it != m_XFAMap.end() ? it->second : nullptr;
|
}
|
|
void CPDFSDK_InterForm::XfaEnableCalculate(bool bEnabled) {
|
m_bXfaCalculate = bEnabled;
|
}
|
bool CPDFSDK_InterForm::IsXfaCalculateEnabled() const {
|
return m_bXfaCalculate;
|
}
|
|
bool CPDFSDK_InterForm::IsXfaValidationsEnabled() {
|
return m_bXfaValidationsEnabled;
|
}
|
void CPDFSDK_InterForm::XfaSetValidationsEnabled(bool bEnabled) {
|
m_bXfaValidationsEnabled = bEnabled;
|
}
|
|
void CPDFSDK_InterForm::SynchronizeField(CPDF_FormField* pFormField,
|
bool bSynchronizeElse) {
|
for (int i = 0, sz = pFormField->CountControls(); i < sz; i++) {
|
CPDF_FormControl* pFormCtrl = pFormField->GetControl(i);
|
if (CPDFSDK_Widget* pWidget = GetWidget(pFormCtrl))
|
pWidget->Synchronize(bSynchronizeElse);
|
}
|
}
|
#endif // PDF_ENABLE_XFA
|
|
void CPDFSDK_InterForm::OnCalculate(CPDF_FormField* pFormField) {
|
if (!m_pFormFillEnv->IsJSInitiated())
|
return;
|
|
if (m_bBusy)
|
return;
|
|
m_bBusy = true;
|
|
if (!IsCalculateEnabled()) {
|
m_bBusy = false;
|
return;
|
}
|
|
IJS_Runtime* pRuntime = m_pFormFillEnv->GetJSRuntime();
|
int nSize = m_pInterForm->CountFieldsInCalculationOrder();
|
for (int i = 0; i < nSize; i++) {
|
CPDF_FormField* pField = m_pInterForm->GetFieldInCalculationOrder(i);
|
if (!pField)
|
continue;
|
|
FormFieldType fieldType = pField->GetFieldType();
|
if (!IsFormFieldTypeComboOrText(fieldType))
|
continue;
|
|
CPDF_AAction aAction = pField->GetAdditionalAction();
|
if (!aAction.GetDict() || !aAction.ActionExist(CPDF_AAction::Calculate))
|
continue;
|
|
CPDF_Action action = aAction.GetAction(CPDF_AAction::Calculate);
|
if (!action.GetDict())
|
continue;
|
|
WideString csJS = action.GetJavaScript();
|
if (csJS.IsEmpty())
|
continue;
|
|
IJS_EventContext* pContext = pRuntime->NewEventContext();
|
WideString sOldValue = pField->GetValue();
|
WideString sValue = sOldValue;
|
bool bRC = true;
|
pContext->OnField_Calculate(pFormField, pField, sValue, bRC);
|
|
WideString sInfo;
|
bool bRet = pContext->RunScript(csJS, &sInfo);
|
pRuntime->ReleaseEventContext(pContext);
|
if (bRet && bRC && sValue.Compare(sOldValue) != 0)
|
pField->SetValue(sValue, true);
|
}
|
m_bBusy = false;
|
}
|
|
WideString CPDFSDK_InterForm::OnFormat(CPDF_FormField* pFormField,
|
bool& bFormatted) {
|
WideString sValue = pFormField->GetValue();
|
if (!m_pFormFillEnv->IsJSInitiated()) {
|
bFormatted = false;
|
return sValue;
|
}
|
|
IJS_Runtime* pRuntime = m_pFormFillEnv->GetJSRuntime();
|
if (pFormField->GetFieldType() == FormFieldType::kComboBox &&
|
pFormField->CountSelectedItems() > 0) {
|
int index = pFormField->GetSelectedIndex(0);
|
if (index >= 0)
|
sValue = pFormField->GetOptionLabel(index);
|
}
|
|
bFormatted = false;
|
|
CPDF_AAction aAction = pFormField->GetAdditionalAction();
|
if (aAction.GetDict() && aAction.ActionExist(CPDF_AAction::Format)) {
|
CPDF_Action action = aAction.GetAction(CPDF_AAction::Format);
|
if (action.GetDict()) {
|
WideString script = action.GetJavaScript();
|
if (!script.IsEmpty()) {
|
WideString Value = sValue;
|
|
IJS_EventContext* pContext = pRuntime->NewEventContext();
|
pContext->OnField_Format(pFormField, Value, true);
|
WideString sInfo;
|
bool bRet = pContext->RunScript(script, &sInfo);
|
pRuntime->ReleaseEventContext(pContext);
|
if (bRet) {
|
sValue = Value;
|
bFormatted = true;
|
}
|
}
|
}
|
}
|
return sValue;
|
}
|
|
void CPDFSDK_InterForm::ResetFieldAppearance(CPDF_FormField* pFormField,
|
const WideString* sValue,
|
bool bValueChanged) {
|
for (int i = 0, sz = pFormField->CountControls(); i < sz; i++) {
|
CPDF_FormControl* pFormCtrl = pFormField->GetControl(i);
|
ASSERT(pFormCtrl);
|
if (CPDFSDK_Widget* pWidget = GetWidget(pFormCtrl))
|
pWidget->ResetAppearance(sValue, bValueChanged);
|
}
|
}
|
|
void CPDFSDK_InterForm::UpdateField(CPDF_FormField* pFormField) {
|
auto* formfiller = m_pFormFillEnv->GetInteractiveFormFiller();
|
for (int i = 0, sz = pFormField->CountControls(); i < sz; i++) {
|
CPDF_FormControl* pFormCtrl = pFormField->GetControl(i);
|
ASSERT(pFormCtrl);
|
|
CPDFSDK_Widget* pWidget = GetWidget(pFormCtrl);
|
if (!pWidget)
|
continue;
|
|
UnderlyingPageType* pPage = pWidget->GetUnderlyingPage();
|
FX_RECT rect = formfiller->GetViewBBox(
|
m_pFormFillEnv->GetPageView(pPage, false), pWidget);
|
m_pFormFillEnv->Invalidate(pPage, rect);
|
}
|
}
|
|
bool CPDFSDK_InterForm::OnKeyStrokeCommit(CPDF_FormField* pFormField,
|
const WideString& csValue) {
|
CPDF_AAction aAction = pFormField->GetAdditionalAction();
|
if (!aAction.GetDict() || !aAction.ActionExist(CPDF_AAction::KeyStroke))
|
return true;
|
|
CPDF_Action action = aAction.GetAction(CPDF_AAction::KeyStroke);
|
if (!action.GetDict())
|
return true;
|
|
CPDFSDK_ActionHandler* pActionHandler = m_pFormFillEnv->GetActionHandler();
|
PDFSDK_FieldAction fa;
|
fa.bModifier = false;
|
fa.bShift = false;
|
fa.sValue = csValue;
|
pActionHandler->DoAction_FieldJavaScript(
|
action, CPDF_AAction::KeyStroke, m_pFormFillEnv.Get(), pFormField, fa);
|
return fa.bRC;
|
}
|
|
bool CPDFSDK_InterForm::OnValidate(CPDF_FormField* pFormField,
|
const WideString& csValue) {
|
CPDF_AAction aAction = pFormField->GetAdditionalAction();
|
if (!aAction.GetDict() || !aAction.ActionExist(CPDF_AAction::Validate))
|
return true;
|
|
CPDF_Action action = aAction.GetAction(CPDF_AAction::Validate);
|
if (!action.GetDict())
|
return true;
|
|
CPDFSDK_ActionHandler* pActionHandler = m_pFormFillEnv->GetActionHandler();
|
PDFSDK_FieldAction fa;
|
fa.bModifier = false;
|
fa.bShift = false;
|
fa.sValue = csValue;
|
pActionHandler->DoAction_FieldJavaScript(
|
action, CPDF_AAction::Validate, m_pFormFillEnv.Get(), pFormField, fa);
|
return fa.bRC;
|
}
|
|
bool CPDFSDK_InterForm::DoAction_Hide(const CPDF_Action& action) {
|
ASSERT(action.GetDict());
|
|
CPDF_ActionFields af(&action);
|
std::vector<CPDF_Object*> fieldObjects = af.GetAllFields();
|
std::vector<CPDF_FormField*> fields = GetFieldFromObjects(fieldObjects);
|
|
bool bHide = action.GetHideStatus();
|
bool bChanged = false;
|
|
for (CPDF_FormField* pField : fields) {
|
for (int i = 0, sz = pField->CountControls(); i < sz; ++i) {
|
CPDF_FormControl* pControl = pField->GetControl(i);
|
ASSERT(pControl);
|
|
if (CPDFSDK_Widget* pWidget = GetWidget(pControl)) {
|
uint32_t nFlags = pWidget->GetFlags();
|
nFlags &= ~ANNOTFLAG_INVISIBLE;
|
nFlags &= ~ANNOTFLAG_NOVIEW;
|
if (bHide)
|
nFlags |= ANNOTFLAG_HIDDEN;
|
else
|
nFlags &= ~ANNOTFLAG_HIDDEN;
|
pWidget->SetFlags(nFlags);
|
pWidget->GetPageView()->UpdateView(pWidget);
|
bChanged = true;
|
}
|
}
|
}
|
|
return bChanged;
|
}
|
|
bool CPDFSDK_InterForm::DoAction_SubmitForm(const CPDF_Action& action) {
|
WideString sDestination = action.GetFilePath();
|
if (sDestination.IsEmpty())
|
return false;
|
|
CPDF_Dictionary* pActionDict = action.GetDict();
|
if (pActionDict->KeyExist("Fields")) {
|
CPDF_ActionFields af(&action);
|
uint32_t dwFlags = action.GetFlags();
|
std::vector<CPDF_Object*> fieldObjects = af.GetAllFields();
|
std::vector<CPDF_FormField*> fields = GetFieldFromObjects(fieldObjects);
|
if (!fields.empty()) {
|
bool bIncludeOrExclude = !(dwFlags & 0x01);
|
if (!m_pInterForm->CheckRequiredFields(&fields, bIncludeOrExclude))
|
return false;
|
|
return SubmitFields(sDestination, fields, bIncludeOrExclude, false);
|
}
|
}
|
if (!m_pInterForm->CheckRequiredFields(nullptr, true))
|
return false;
|
|
return SubmitForm(sDestination, false);
|
}
|
|
bool CPDFSDK_InterForm::SubmitFields(const WideString& csDestination,
|
const std::vector<CPDF_FormField*>& fields,
|
bool bIncludeOrExclude,
|
bool bUrlEncoded) {
|
ByteString textBuf = ExportFieldsToFDFTextBuf(fields, bIncludeOrExclude);
|
|
size_t nBufSize = textBuf.GetLength();
|
if (nBufSize == 0)
|
return false;
|
|
uint8_t* pLocalBuffer = FX_Alloc(uint8_t, nBufSize);
|
memcpy(pLocalBuffer, textBuf.c_str(), nBufSize);
|
uint8_t* pBuffer = pLocalBuffer;
|
|
if (bUrlEncoded && !FDFToURLEncodedData(pBuffer, nBufSize)) {
|
FX_Free(pLocalBuffer);
|
return false;
|
}
|
|
m_pFormFillEnv->JS_docSubmitForm(pBuffer, nBufSize, csDestination.c_str());
|
|
if (pBuffer != pLocalBuffer)
|
FX_Free(pBuffer);
|
|
FX_Free(pLocalBuffer);
|
|
return true;
|
}
|
|
bool CPDFSDK_InterForm::FDFToURLEncodedData(uint8_t*& pBuf, size_t& nBufSize) {
|
std::unique_ptr<CFDF_Document> pFDF =
|
CFDF_Document::ParseMemory(pBuf, nBufSize);
|
if (!pFDF)
|
return true;
|
|
CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDictFor("FDF");
|
if (!pMainDict)
|
return false;
|
|
CPDF_Array* pFields = pMainDict->GetArrayFor("Fields");
|
if (!pFields)
|
return false;
|
|
std::ostringstream fdfEncodedData;
|
for (uint32_t i = 0; i < pFields->GetCount(); i++) {
|
CPDF_Dictionary* pField = pFields->GetDictAt(i);
|
if (!pField)
|
continue;
|
WideString name;
|
name = pField->GetUnicodeTextFor("T");
|
ByteString name_b = ByteString::FromUnicode(name);
|
ByteString csBValue = pField->GetStringFor("V");
|
WideString csWValue = PDF_DecodeText(csBValue);
|
ByteString csValue_b = ByteString::FromUnicode(csWValue);
|
|
fdfEncodedData << name_b.GetBuffer(name_b.GetLength());
|
name_b.ReleaseBuffer(name_b.GetStringLength());
|
fdfEncodedData << "=";
|
fdfEncodedData << csValue_b.GetBuffer(csValue_b.GetLength());
|
csValue_b.ReleaseBuffer(csValue_b.GetStringLength());
|
if (i != pFields->GetCount() - 1)
|
fdfEncodedData << "&";
|
}
|
|
nBufSize = fdfEncodedData.tellp();
|
if (nBufSize == 0)
|
return false;
|
|
pBuf = FX_Alloc(uint8_t, nBufSize);
|
memcpy(pBuf, fdfEncodedData.str().c_str(), nBufSize);
|
return true;
|
}
|
|
ByteString CPDFSDK_InterForm::ExportFieldsToFDFTextBuf(
|
const std::vector<CPDF_FormField*>& fields,
|
bool bIncludeOrExclude) {
|
std::unique_ptr<CFDF_Document> pFDF = m_pInterForm->ExportToFDF(
|
m_pFormFillEnv->JS_docGetFilePath(), fields, bIncludeOrExclude, false);
|
|
return pFDF ? pFDF->WriteToString() : ByteString();
|
}
|
|
bool CPDFSDK_InterForm::SubmitForm(const WideString& sDestination,
|
bool bUrlEncoded) {
|
if (sDestination.IsEmpty())
|
return false;
|
|
if (!m_pFormFillEnv || !m_pInterForm)
|
return false;
|
|
std::unique_ptr<CFDF_Document> pFDFDoc =
|
m_pInterForm->ExportToFDF(m_pFormFillEnv->JS_docGetFilePath(), false);
|
if (!pFDFDoc)
|
return false;
|
|
ByteString fdfBuffer = pFDFDoc->WriteToString();
|
|
if (fdfBuffer.IsEmpty())
|
return false;
|
|
uint8_t* pLocalBuffer = FX_Alloc(uint8_t, fdfBuffer.GetLength());
|
memcpy(pLocalBuffer, fdfBuffer.c_str(), fdfBuffer.GetLength());
|
uint8_t* pBuffer = pLocalBuffer;
|
|
size_t nBufSize = fdfBuffer.GetLength();
|
if (bUrlEncoded && !FDFToURLEncodedData(pBuffer, nBufSize)) {
|
FX_Free(pLocalBuffer);
|
return false;
|
}
|
|
m_pFormFillEnv->JS_docSubmitForm(pBuffer, nBufSize, sDestination.c_str());
|
|
if (pBuffer != pLocalBuffer)
|
FX_Free(pBuffer);
|
|
FX_Free(pLocalBuffer);
|
|
return true;
|
}
|
|
ByteString CPDFSDK_InterForm::ExportFormToFDFTextBuf() {
|
std::unique_ptr<CFDF_Document> pFDF =
|
m_pInterForm->ExportToFDF(m_pFormFillEnv->JS_docGetFilePath(), false);
|
|
return pFDF ? pFDF->WriteToString() : ByteString();
|
}
|
|
bool CPDFSDK_InterForm::DoAction_ResetForm(const CPDF_Action& action) {
|
ASSERT(action.GetDict());
|
|
CPDF_Dictionary* pActionDict = action.GetDict();
|
if (!pActionDict->KeyExist("Fields"))
|
return m_pInterForm->ResetForm(true);
|
|
CPDF_ActionFields af(&action);
|
uint32_t dwFlags = action.GetFlags();
|
|
std::vector<CPDF_Object*> fieldObjects = af.GetAllFields();
|
std::vector<CPDF_FormField*> fields = GetFieldFromObjects(fieldObjects);
|
return m_pInterForm->ResetForm(fields, !(dwFlags & 0x01), true);
|
}
|
|
bool CPDFSDK_InterForm::DoAction_ImportData(const CPDF_Action& action) {
|
return false;
|
}
|
|
std::vector<CPDF_FormField*> CPDFSDK_InterForm::GetFieldFromObjects(
|
const std::vector<CPDF_Object*>& objects) const {
|
std::vector<CPDF_FormField*> fields;
|
for (CPDF_Object* pObject : objects) {
|
if (pObject && pObject->IsString()) {
|
WideString csName = pObject->GetUnicodeText();
|
CPDF_FormField* pField = m_pInterForm->GetField(0, csName);
|
if (pField)
|
fields.push_back(pField);
|
}
|
}
|
return fields;
|
}
|
|
int CPDFSDK_InterForm::BeforeValueChange(CPDF_FormField* pField,
|
const WideString& csValue) {
|
FormFieldType fieldType = pField->GetFieldType();
|
if (!IsFormFieldTypeComboOrText(fieldType))
|
return 0;
|
|
if (!OnKeyStrokeCommit(pField, csValue))
|
return -1;
|
|
if (!OnValidate(pField, csValue))
|
return -1;
|
|
return 1;
|
}
|
|
void CPDFSDK_InterForm::AfterValueChange(CPDF_FormField* pField) {
|
#ifdef PDF_ENABLE_XFA
|
SynchronizeField(pField, false);
|
#endif // PDF_ENABLE_XFA
|
FormFieldType fieldType = pField->GetFieldType();
|
if (IsFormFieldTypeComboOrText(fieldType)) {
|
OnCalculate(pField);
|
bool bFormatted = false;
|
WideString sValue = OnFormat(pField, bFormatted);
|
ResetFieldAppearance(pField, bFormatted ? &sValue : nullptr, true);
|
UpdateField(pField);
|
}
|
}
|
|
int CPDFSDK_InterForm::BeforeSelectionChange(CPDF_FormField* pField,
|
const WideString& csValue) {
|
if (pField->GetFieldType() != FormFieldType::kListBox)
|
return 0;
|
|
if (!OnKeyStrokeCommit(pField, csValue))
|
return -1;
|
|
if (!OnValidate(pField, csValue))
|
return -1;
|
|
return 1;
|
}
|
|
void CPDFSDK_InterForm::AfterSelectionChange(CPDF_FormField* pField) {
|
if (pField->GetFieldType() != FormFieldType::kListBox)
|
return;
|
|
OnCalculate(pField);
|
ResetFieldAppearance(pField, nullptr, true);
|
UpdateField(pField);
|
}
|
|
void CPDFSDK_InterForm::AfterCheckedStatusChange(CPDF_FormField* pField) {
|
FormFieldType fieldType = pField->GetFieldType();
|
if (fieldType != FormFieldType::kCheckBox &&
|
fieldType != FormFieldType::kRadioButton)
|
return;
|
|
OnCalculate(pField);
|
UpdateField(pField);
|
}
|
|
int CPDFSDK_InterForm::BeforeFormReset(CPDF_InterForm* pForm) {
|
return 0;
|
}
|
|
void CPDFSDK_InterForm::AfterFormReset(CPDF_InterForm* pForm) {
|
OnCalculate(nullptr);
|
}
|
|
int CPDFSDK_InterForm::BeforeFormImportData(CPDF_InterForm* pForm) {
|
return 0;
|
}
|
|
void CPDFSDK_InterForm::AfterFormImportData(CPDF_InterForm* pForm) {
|
OnCalculate(nullptr);
|
}
|
|
bool CPDFSDK_InterForm::IsNeedHighLight(FormFieldType fieldType) {
|
if (fieldType == FormFieldType::kUnknown)
|
return false;
|
|
#ifdef PDF_ENABLE_XFA
|
// For the XFA fields, we need to return if the specific field type has
|
// highlight enabled or if the general XFA field type has it enabled.
|
if (IsFormFieldTypeXFA(fieldType)) {
|
if (!m_NeedsHighlight[static_cast<size_t>(fieldType)])
|
return m_NeedsHighlight[static_cast<size_t>(FormFieldType::kXFA)];
|
}
|
#endif // PDF_ENABLE_XFA
|
return m_NeedsHighlight[static_cast<size_t>(fieldType)];
|
}
|
|
void CPDFSDK_InterForm::RemoveAllHighLights() {
|
std::fill(m_HighlightColor, m_HighlightColor + kFormFieldTypeCount,
|
FXSYS_RGB(255, 255, 255));
|
std::fill(m_NeedsHighlight, m_NeedsHighlight + kFormFieldTypeCount, false);
|
}
|
|
void CPDFSDK_InterForm::SetHighlightColor(FX_COLORREF clr,
|
FormFieldType fieldType) {
|
if (fieldType == FormFieldType::kUnknown)
|
return;
|
|
m_HighlightColor[static_cast<size_t>(fieldType)] = clr;
|
m_NeedsHighlight[static_cast<size_t>(fieldType)] = true;
|
}
|
|
void CPDFSDK_InterForm::SetAllHighlightColors(FX_COLORREF clr) {
|
for (auto type : kFormFieldTypes) {
|
m_HighlightColor[static_cast<size_t>(type)] = clr;
|
m_NeedsHighlight[static_cast<size_t>(type)] = true;
|
}
|
}
|
|
FX_COLORREF CPDFSDK_InterForm::GetHighlightColor(FormFieldType fieldType) {
|
if (fieldType == FormFieldType::kUnknown)
|
return FXSYS_RGB(255, 255, 255);
|
|
#ifdef PDF_ENABLE_XFA
|
// For the XFA fields, we need to return the specific field type highlight
|
// colour or the general XFA field type colour if present.
|
if (IsFormFieldTypeXFA(fieldType)) {
|
if (!m_NeedsHighlight[static_cast<size_t>(fieldType)] &&
|
m_NeedsHighlight[static_cast<size_t>(FormFieldType::kXFA)]) {
|
return m_HighlightColor[static_cast<size_t>(FormFieldType::kXFA)];
|
}
|
}
|
#endif // PDF_ENABLE_XFA
|
return m_HighlightColor[static_cast<size_t>(fieldType)];
|
}
|
