diff options
Diffstat (limited to 'fpdfsdk/cpdfsdk_interform.cpp')
| -rw-r--r-- | fpdfsdk/cpdfsdk_interform.cpp | 726 |
1 files changed, 726 insertions, 0 deletions
diff --git a/fpdfsdk/cpdfsdk_interform.cpp b/fpdfsdk/cpdfsdk_interform.cpp new file mode 100644 index 0000000000..65e778d2c4 --- /dev/null +++ b/fpdfsdk/cpdfsdk_interform.cpp @@ -0,0 +1,726 @@ +// 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/include/cpdfsdk_interform.h" + +#include <algorithm> +#include <memory> + +#include "core/fpdfapi/fpdf_page/include/cpdf_page.h" +#include "core/fpdfapi/fpdf_parser/include/cfdf_document.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" +#include "core/fpdfdoc/include/cpdf_actionfields.h" +#include "core/fpdfdoc/include/cpdf_interform.h" +#include "core/fxge/include/cfx_graphstatedata.h" +#include "core/fxge/include/cfx_pathdata.h" +#include "core/fxge/include/cfx_renderdevice.h" +#include "fpdfsdk/formfiller/cffl_formfiller.h" +#include "fpdfsdk/fxedit/include/fxet_edit.h" +#include "fpdfsdk/include/cba_annotiterator.h" +#include "fpdfsdk/include/cpdfsdk_annot.h" +#include "fpdfsdk/include/cpdfsdk_widget.h" +#include "fpdfsdk/include/fsdk_actionhandler.h" +#include "fpdfsdk/include/fsdk_define.h" +#include "fpdfsdk/include/fsdk_mgr.h" +#include "fpdfsdk/include/ipdfsdk_annothandler.h" +#include "fpdfsdk/javascript/ijs_context.h" +#include "fpdfsdk/javascript/ijs_runtime.h" +#include "fpdfsdk/pdfwindow/PWL_Utils.h" +#include "third_party/base/stl_util.h" + +#ifdef PDF_ENABLE_XFA +#include "fpdfsdk/fpdfxfa/include/fpdfxfa_doc.h" +#include "fpdfsdk/fpdfxfa/include/fpdfxfa_util.h" +#include "fpdfsdk/include/cpdfsdk_xfawidget.h" +#include "xfa/fxfa/include/cxfa_eventparam.h" +#include "xfa/fxfa/include/xfa_ffdocview.h" +#include "xfa/fxfa/include/xfa_ffwidget.h" +#include "xfa/fxfa/include/xfa_ffwidgethandler.h" +#endif // PDF_ENABLE_XFA + +CPDFSDK_InterForm::CPDFSDK_InterForm(CPDFSDK_Document* pDocument) + : m_pDocument(pDocument), + m_pInterForm(new CPDF_InterForm(m_pDocument->GetPDFDocument())), +#ifdef PDF_ENABLE_XFA + m_bXfaCalculate(TRUE), + m_bXfaValidationsEnabled(TRUE), +#endif // PDF_ENABLE_XFA + m_bCalculate(TRUE), + m_bBusy(FALSE), + m_iHighlightAlpha(0) { + m_pInterForm->SetFormNotify(this); + for (int i = 0; i < kNumFieldTypes; ++i) + m_bNeedHightlight[i] = FALSE; +} + +CPDFSDK_InterForm::~CPDFSDK_InterForm() { + m_Map.clear(); +#ifdef PDF_ENABLE_XFA + m_XFAMap.clear(); +#endif // PDF_ENABLE_XFA +} + +FX_BOOL CPDFSDK_InterForm::HighlightWidgets() { + return FALSE; +} + +CPDFSDK_Widget* CPDFSDK_InterForm::GetSibling(CPDFSDK_Widget* pWidget, + FX_BOOL bNext) const { + std::unique_ptr<CBA_AnnotIterator> pIterator( + new CBA_AnnotIterator(pWidget->GetPageView(), "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, + bool createIfNeeded) 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; + if (!createIfNeeded) + return nullptr; + + CPDF_Dictionary* pControlDict = pControl->GetWidget(); + CPDF_Document* pDocument = m_pDocument->GetPDFDocument(); + CPDFSDK_PageView* pPage = nullptr; + + if (CPDF_Dictionary* pPageDict = pControlDict->GetDictBy("P")) { + int nPageIndex = pDocument->GetPageIndex(pPageDict->GetObjNum()); + if (nPageIndex >= 0) + pPage = m_pDocument->GetPageView(nPageIndex); + } + + if (!pPage) { + int nPageIndex = GetPageIndexByAnnotDict(pDocument, pControlDict); + if (nPageIndex >= 0) + pPage = m_pDocument->GetPageView(nPageIndex); + } + + if (!pPage) + return nullptr; + + return static_cast<CPDFSDK_Widget*>(pPage->GetAnnotByDict(pControlDict)); +} + +void CPDFSDK_InterForm::GetWidgets( + const CFX_WideString& sFieldName, + std::vector<CPDFSDK_Widget*>* 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_Widget*>* 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, true); + if (pWidget) + widgets->push_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->GetArrayBy("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(FX_BOOL bEnabled) { + m_bCalculate = bEnabled; +} + +FX_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(FX_BOOL bEnabled) { + m_bXfaCalculate = bEnabled; +} +FX_BOOL CPDFSDK_InterForm::IsXfaCalculateEnabled() const { + return m_bXfaCalculate; +} + +FX_BOOL CPDFSDK_InterForm::IsXfaValidationsEnabled() { + return m_bXfaValidationsEnabled; +} +void CPDFSDK_InterForm::XfaSetValidationsEnabled(FX_BOOL bEnabled) { + m_bXfaValidationsEnabled = bEnabled; +} + +void CPDFSDK_InterForm::SynchronizeField(CPDF_FormField* pFormField, + FX_BOOL bSynchronizeElse) { + for (int i = 0, sz = pFormField->CountControls(); i < sz; i++) { + CPDF_FormControl* pFormCtrl = pFormField->GetControl(i); + if (CPDFSDK_Widget* pWidget = GetWidget(pFormCtrl, false)) + pWidget->Synchronize(bSynchronizeElse); + } +} +#endif // PDF_ENABLE_XFA + +void CPDFSDK_InterForm::OnCalculate(CPDF_FormField* pFormField) { + CPDFDoc_Environment* pEnv = m_pDocument->GetEnv(); + ASSERT(pEnv); + if (!pEnv->IsJSInitiated()) + return; + + if (m_bBusy) + return; + + m_bBusy = TRUE; + + if (!IsCalculateEnabled()) { + m_bBusy = FALSE; + return; + } + + IJS_Runtime* pRuntime = m_pDocument->GetJsRuntime(); + pRuntime->SetReaderDocument(m_pDocument); + + int nSize = m_pInterForm->CountFieldsInCalculationOrder(); + for (int i = 0; i < nSize; i++) { + CPDF_FormField* pField = m_pInterForm->GetFieldInCalculationOrder(i); + if (!pField) + continue; + + int nType = pField->GetFieldType(); + if (nType != FIELDTYPE_COMBOBOX && nType != FIELDTYPE_TEXTFIELD) + 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; + + CFX_WideString csJS = action.GetJavaScript(); + if (csJS.IsEmpty()) + continue; + + IJS_Context* pContext = pRuntime->NewContext(); + CFX_WideString sOldValue = pField->GetValue(); + CFX_WideString sValue = sOldValue; + FX_BOOL bRC = TRUE; + pContext->OnField_Calculate(pFormField, pField, sValue, bRC); + + CFX_WideString sInfo; + FX_BOOL bRet = pContext->RunScript(csJS, &sInfo); + pRuntime->ReleaseContext(pContext); + + if (bRet && bRC && sValue.Compare(sOldValue) != 0) + pField->SetValue(sValue, TRUE); + } + + m_bBusy = FALSE; +} + +CFX_WideString CPDFSDK_InterForm::OnFormat(CPDF_FormField* pFormField, + FX_BOOL& bFormated) { + CFX_WideString sValue = pFormField->GetValue(); + CPDFDoc_Environment* pEnv = m_pDocument->GetEnv(); + ASSERT(pEnv); + if (!pEnv->IsJSInitiated()) { + bFormated = FALSE; + return sValue; + } + + IJS_Runtime* pRuntime = m_pDocument->GetJsRuntime(); + pRuntime->SetReaderDocument(m_pDocument); + + if (pFormField->GetFieldType() == FIELDTYPE_COMBOBOX && + pFormField->CountSelectedItems() > 0) { + int index = pFormField->GetSelectedIndex(0); + if (index >= 0) + sValue = pFormField->GetOptionLabel(index); + } + + bFormated = 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()) { + CFX_WideString script = action.GetJavaScript(); + if (!script.IsEmpty()) { + CFX_WideString Value = sValue; + + IJS_Context* pContext = pRuntime->NewContext(); + pContext->OnField_Format(pFormField, Value, TRUE); + CFX_WideString sInfo; + FX_BOOL bRet = pContext->RunScript(script, &sInfo); + pRuntime->ReleaseContext(pContext); + + if (bRet) { + sValue = Value; + bFormated = TRUE; + } + } + } + } + + return sValue; +} + +void CPDFSDK_InterForm::ResetFieldAppearance(CPDF_FormField* pFormField, + const FX_WCHAR* sValue, + FX_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, false)) + pWidget->ResetAppearance(sValue, bValueChanged); + } +} + +void CPDFSDK_InterForm::UpdateField(CPDF_FormField* pFormField) { + for (int i = 0, sz = pFormField->CountControls(); i < sz; i++) { + CPDF_FormControl* pFormCtrl = pFormField->GetControl(i); + ASSERT(pFormCtrl); + + if (CPDFSDK_Widget* pWidget = GetWidget(pFormCtrl, false)) { + CPDFDoc_Environment* pEnv = m_pDocument->GetEnv(); + CFFL_IFormFiller* pIFormFiller = pEnv->GetIFormFiller(); + UnderlyingPageType* pPage = pWidget->GetUnderlyingPage(); + CPDFSDK_PageView* pPageView = m_pDocument->GetPageView(pPage, false); + FX_RECT rcBBox = pIFormFiller->GetViewBBox(pPageView, pWidget); + + pEnv->FFI_Invalidate(pPage, rcBBox.left, rcBBox.top, rcBBox.right, + rcBBox.bottom); + } + } +} + +FX_BOOL CPDFSDK_InterForm::OnKeyStrokeCommit(CPDF_FormField* pFormField, + const CFX_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; + + CPDFDoc_Environment* pEnv = m_pDocument->GetEnv(); + CPDFSDK_ActionHandler* pActionHandler = pEnv->GetActionHander(); + PDFSDK_FieldAction fa; + fa.bModifier = pEnv->FFI_IsCTRLKeyDown(0); + fa.bShift = pEnv->FFI_IsSHIFTKeyDown(0); + fa.sValue = csValue; + pActionHandler->DoAction_FieldJavaScript(action, CPDF_AAction::KeyStroke, + m_pDocument, pFormField, fa); + return fa.bRC; +} + +FX_BOOL CPDFSDK_InterForm::OnValidate(CPDF_FormField* pFormField, + const CFX_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; + + CPDFDoc_Environment* pEnv = m_pDocument->GetEnv(); + CPDFSDK_ActionHandler* pActionHandler = pEnv->GetActionHander(); + PDFSDK_FieldAction fa; + fa.bModifier = pEnv->FFI_IsCTRLKeyDown(0); + fa.bShift = pEnv->FFI_IsSHIFTKeyDown(0); + fa.sValue = csValue; + pActionHandler->DoAction_FieldJavaScript(action, CPDF_AAction::Validate, + m_pDocument, pFormField, fa); + return fa.bRC; +} + +FX_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(); + FX_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, false)) { + 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; +} + +FX_BOOL CPDFSDK_InterForm::DoAction_SubmitForm(const CPDF_Action& action) { + CFX_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); +} + +FX_BOOL CPDFSDK_InterForm::SubmitFields( + const CFX_WideString& csDestination, + const std::vector<CPDF_FormField*>& fields, + bool bIncludeOrExclude, + bool bUrlEncoded) { + CPDFDoc_Environment* pEnv = m_pDocument->GetEnv(); + + CFX_ByteTextBuf textBuf; + ExportFieldsToFDFTextBuf(fields, bIncludeOrExclude, textBuf); + + uint8_t* pBuffer = textBuf.GetBuffer(); + FX_STRSIZE nBufSize = textBuf.GetLength(); + + if (bUrlEncoded && !FDFToURLEncodedData(pBuffer, nBufSize)) + return FALSE; + + pEnv->JS_docSubmitForm(pBuffer, nBufSize, csDestination.c_str()); + return TRUE; +} + +FX_BOOL CPDFSDK_InterForm::FDFToURLEncodedData(CFX_WideString csFDFFile, + CFX_WideString csTxtFile) { + return TRUE; +} + +FX_BOOL CPDFSDK_InterForm::FDFToURLEncodedData(uint8_t*& pBuf, + FX_STRSIZE& nBufSize) { + CFDF_Document* pFDF = CFDF_Document::ParseMemory(pBuf, nBufSize); + if (!pFDF) + return TRUE; + + CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDictBy("FDF"); + if (!pMainDict) + return FALSE; + + CPDF_Array* pFields = pMainDict->GetArrayBy("Fields"); + if (!pFields) + return FALSE; + + CFX_ByteTextBuf fdfEncodedData; + for (uint32_t i = 0; i < pFields->GetCount(); i++) { + CPDF_Dictionary* pField = pFields->GetDictAt(i); + if (!pField) + continue; + CFX_WideString name; + name = pField->GetUnicodeTextBy("T"); + CFX_ByteString name_b = CFX_ByteString::FromUnicode(name); + CFX_ByteString csBValue = pField->GetStringBy("V"); + CFX_WideString csWValue = PDF_DecodeText(csBValue); + CFX_ByteString csValue_b = CFX_ByteString::FromUnicode(csWValue); + + fdfEncodedData << name_b.GetBuffer(name_b.GetLength()); + name_b.ReleaseBuffer(); + fdfEncodedData << "="; + fdfEncodedData << csValue_b.GetBuffer(csValue_b.GetLength()); + csValue_b.ReleaseBuffer(); + if (i != pFields->GetCount() - 1) + fdfEncodedData << "&"; + } + + nBufSize = fdfEncodedData.GetLength(); + pBuf = FX_Alloc(uint8_t, nBufSize); + FXSYS_memcpy(pBuf, fdfEncodedData.GetBuffer(), nBufSize); + return TRUE; +} + +FX_BOOL CPDFSDK_InterForm::ExportFieldsToFDFTextBuf( + const std::vector<CPDF_FormField*>& fields, + bool bIncludeOrExclude, + CFX_ByteTextBuf& textBuf) { + std::unique_ptr<CFDF_Document> pFDF(m_pInterForm->ExportToFDF( + m_pDocument->GetPath().AsStringC(), fields, bIncludeOrExclude)); + return pFDF ? pFDF->WriteBuf(textBuf) : FALSE; +} + +CFX_WideString CPDFSDK_InterForm::GetTemporaryFileName( + const CFX_WideString& sFileExt) { + return L""; +} + +FX_BOOL CPDFSDK_InterForm::SubmitForm(const CFX_WideString& sDestination, + FX_BOOL bUrlEncoded) { + if (sDestination.IsEmpty()) + return FALSE; + + if (!m_pDocument || !m_pInterForm) + return FALSE; + + CPDFDoc_Environment* pEnv = m_pDocument->GetEnv(); + CFX_WideString wsPDFFilePath = m_pDocument->GetPath(); + CFDF_Document* pFDFDoc = m_pInterForm->ExportToFDF(wsPDFFilePath.AsStringC()); + if (!pFDFDoc) + return FALSE; + + CFX_ByteTextBuf FdfBuffer; + FX_BOOL bRet = pFDFDoc->WriteBuf(FdfBuffer); + delete pFDFDoc; + if (!bRet) + return FALSE; + + uint8_t* pBuffer = FdfBuffer.GetBuffer(); + FX_STRSIZE nBufSize = FdfBuffer.GetLength(); + + if (bUrlEncoded && !FDFToURLEncodedData(pBuffer, nBufSize)) + return FALSE; + + pEnv->JS_docSubmitForm(pBuffer, nBufSize, sDestination.c_str()); + + if (bUrlEncoded) + FX_Free(pBuffer); + + return TRUE; +} + +FX_BOOL CPDFSDK_InterForm::ExportFormToFDFTextBuf(CFX_ByteTextBuf& textBuf) { + CFDF_Document* pFDF = + m_pInterForm->ExportToFDF(m_pDocument->GetPath().AsStringC()); + if (!pFDF) + return FALSE; + + FX_BOOL bRet = pFDF->WriteBuf(textBuf); + delete pFDF; + + return bRet; +} + +FX_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); +} + +FX_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()) { + CFX_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 CFX_WideString& csValue) { + int nType = pField->GetFieldType(); + if (nType != FIELDTYPE_COMBOBOX && nType != FIELDTYPE_TEXTFIELD) + 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 + int nType = pField->GetFieldType(); + if (nType == FIELDTYPE_COMBOBOX || nType == FIELDTYPE_TEXTFIELD) { + OnCalculate(pField); + FX_BOOL bFormated = FALSE; + CFX_WideString sValue = OnFormat(pField, bFormated); + ResetFieldAppearance(pField, bFormated ? sValue.c_str() : nullptr, TRUE); + UpdateField(pField); + } +} + +int CPDFSDK_InterForm::BeforeSelectionChange(CPDF_FormField* pField, + const CFX_WideString& csValue) { + if (pField->GetFieldType() != FIELDTYPE_LISTBOX) + 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() != FIELDTYPE_LISTBOX) + return; + + OnCalculate(pField); + ResetFieldAppearance(pField, nullptr, TRUE); + UpdateField(pField); +} + +void CPDFSDK_InterForm::AfterCheckedStatusChange(CPDF_FormField* pField) { + int nType = pField->GetFieldType(); + if (nType != FIELDTYPE_CHECKBOX && nType != FIELDTYPE_RADIOBUTTON) + 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); +} + +FX_BOOL CPDFSDK_InterForm::IsNeedHighLight(int nFieldType) { + if (nFieldType < 1 || nFieldType > kNumFieldTypes) + return FALSE; + return m_bNeedHightlight[nFieldType - 1]; +} + +void CPDFSDK_InterForm::RemoveAllHighLight() { + for (int i = 0; i < kNumFieldTypes; ++i) + m_bNeedHightlight[i] = FALSE; +} + +void CPDFSDK_InterForm::SetHighlightColor(FX_COLORREF clr, int nFieldType) { + if (nFieldType < 0 || nFieldType > kNumFieldTypes) + return; + switch (nFieldType) { + case 0: { + for (int i = 0; i < kNumFieldTypes; ++i) { + m_aHighlightColor[i] = clr; + m_bNeedHightlight[i] = TRUE; + } + break; + } + default: { + m_aHighlightColor[nFieldType - 1] = clr; + m_bNeedHightlight[nFieldType - 1] = TRUE; + break; + } + } +} + +FX_COLORREF CPDFSDK_InterForm::GetHighlightColor(int nFieldType) { + if (nFieldType < 0 || nFieldType > kNumFieldTypes) + return FXSYS_RGB(255, 255, 255); + if (nFieldType == 0) + return m_aHighlightColor[0]; + return m_aHighlightColor[nFieldType - 1]; +} |