diff options
Diffstat (limited to 'core/fpdfdoc/doc_formfield.cpp')
| -rw-r--r-- | core/fpdfdoc/doc_formfield.cpp | 987 |
1 files changed, 0 insertions, 987 deletions
diff --git a/core/fpdfdoc/doc_formfield.cpp b/core/fpdfdoc/doc_formfield.cpp deleted file mode 100644 index cb1b0a4566..0000000000 --- a/core/fpdfdoc/doc_formfield.cpp +++ /dev/null @@ -1,987 +0,0 @@ -// Copyright 2014 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 "core/fpdfdoc/include/cpdf_formfield.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_number.h" -#include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h" -#include "core/fpdfapi/fpdf_parser/include/cpdf_string.h" -#include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h" -#include "core/fpdfdoc/cpvt_generateap.h" -#include "core/fpdfdoc/doc_utils.h" -#include "core/fpdfdoc/include/cpdf_formcontrol.h" -#include "core/fpdfdoc/include/cpdf_interform.h" - -namespace { - -const int kFormListMultiSelect = 0x100; - -const int kFormComboEdit = 0x100; - -const int kFormFieldReadOnly = 0x01; -const int kFormFieldRequired = 0x02; -const int kFormFieldNoExport = 0x04; - -const int kFormRadioNoToggleOff = 0x100; -const int kFormRadioUnison = 0x200; - -const int kFormTextMultiLine = 0x100; -const int kFormTextPassword = 0x200; -const int kFormTextNoScroll = 0x400; -const int kFormTextComb = 0x800; - -bool PDF_FormField_IsUnison(CPDF_FormField* pField) { - if (pField->GetType() == CPDF_FormField::CheckBox) - return true; - - return (pField->GetFieldFlags() & 0x2000000) != 0; -} - -} // namespace - -CPDF_FormField::CPDF_FormField(CPDF_InterForm* pForm, CPDF_Dictionary* pDict) - : m_Type(Unknown), - m_pForm(pForm), - m_pDict(pDict), - m_FontSize(0), - m_pFont(nullptr) { - SyncFieldFlags(); -} - -CPDF_FormField::~CPDF_FormField() {} - -void CPDF_FormField::SyncFieldFlags() { - CFX_ByteString type_name = FPDF_GetFieldAttr(m_pDict, "FT") - ? FPDF_GetFieldAttr(m_pDict, "FT")->GetString() - : CFX_ByteString(); - uint32_t flags = FPDF_GetFieldAttr(m_pDict, "Ff") - ? FPDF_GetFieldAttr(m_pDict, "Ff")->GetInteger() - : 0; - m_Flags = 0; - if (flags & 1) { - m_Flags |= kFormFieldReadOnly; - } - if (flags & 2) { - m_Flags |= kFormFieldRequired; - } - if (flags & 4) { - m_Flags |= kFormFieldNoExport; - } - if (type_name == "Btn") { - if (flags & 0x8000) { - m_Type = RadioButton; - if (flags & 0x4000) { - m_Flags |= kFormRadioNoToggleOff; - } - if (flags & 0x2000000) { - m_Flags |= kFormRadioUnison; - } - } else if (flags & 0x10000) { - m_Type = PushButton; - } else { - m_Type = CheckBox; - } - } else if (type_name == "Tx") { - if (flags & 0x100000) { - m_Type = File; - } else if (flags & 0x2000000) { - m_Type = RichText; - } else { - m_Type = Text; - if (flags & 0x1000) { - m_Flags |= kFormTextMultiLine; - } - if (flags & 0x2000) { - m_Flags |= kFormTextPassword; - } - if (flags & 0x800000) { - m_Flags |= kFormTextNoScroll; - } - if (flags & 0x100000) { - m_Flags |= kFormTextComb; - } - } - LoadDA(); - } else if (type_name == "Ch") { - if (flags & 0x20000) { - m_Type = ComboBox; - if (flags & 0x40000) { - m_Flags |= kFormComboEdit; - } - } else { - m_Type = ListBox; - if (flags & 0x200000) { - m_Flags |= kFormListMultiSelect; - } - } - LoadDA(); - } else if (type_name == "Sig") { - m_Type = Sign; - } -} -CFX_WideString CPDF_FormField::GetFullName() const { - return ::GetFullName(m_pDict); -} - -FX_BOOL CPDF_FormField::ResetField(FX_BOOL bNotify) { - switch (m_Type) { - case CPDF_FormField::CheckBox: - case CPDF_FormField::RadioButton: { - int iCount = CountControls(); - if (iCount) { - // TODO(weili): Check whether anything special needs to be done for - // unison field. Otherwise, merge these branches. - if (PDF_FormField_IsUnison(this)) { - for (int i = 0; i < iCount; i++) { - CheckControl(i, GetControl(i)->IsDefaultChecked(), FALSE); - } - } else { - for (int i = 0; i < iCount; i++) { - CheckControl(i, GetControl(i)->IsDefaultChecked(), FALSE); - } - } - } - if (bNotify && m_pForm->m_pFormNotify) { - m_pForm->m_pFormNotify->AfterCheckedStatusChange(this); - } - } break; - case CPDF_FormField::ComboBox: - case CPDF_FormField::ListBox: { - CFX_WideString csValue; - ClearSelection(); - int iIndex = GetDefaultSelectedItem(); - if (iIndex >= 0) - csValue = GetOptionLabel(iIndex); - - if (bNotify && !NotifyListOrComboBoxBeforeChange(csValue)) - return FALSE; - - SetItemSelection(iIndex, TRUE); - if (bNotify) - NotifyListOrComboBoxAfterChange(); - } break; - case CPDF_FormField::Text: - case CPDF_FormField::RichText: - case CPDF_FormField::File: - default: { - CPDF_Object* pDV = FPDF_GetFieldAttr(m_pDict, "DV"); - CFX_WideString csDValue; - if (pDV) - csDValue = pDV->GetUnicodeText(); - - CPDF_Object* pV = FPDF_GetFieldAttr(m_pDict, "V"); - CFX_WideString csValue; - if (pV) - csValue = pV->GetUnicodeText(); - - CPDF_Object* pRV = FPDF_GetFieldAttr(m_pDict, "RV"); - if (!pRV && (csDValue == csValue)) - return FALSE; - - if (bNotify && !NotifyBeforeValueChange(csDValue)) - return FALSE; - - if (pDV) { - CPDF_Object* pClone = pDV->Clone(); - if (!pClone) - return FALSE; - - m_pDict->SetAt("V", pClone); - if (pRV) { - CPDF_Object* pCloneR = pDV->Clone(); - m_pDict->SetAt("RV", pCloneR); - } - } else { - m_pDict->RemoveAt("V"); - m_pDict->RemoveAt("RV"); - } - if (bNotify) - NotifyAfterValueChange(); - } break; - } - return TRUE; -} - -int CPDF_FormField::GetControlIndex(const CPDF_FormControl* pControl) const { - if (!pControl) - return -1; - - for (int i = 0; i < m_ControlList.GetSize(); i++) { - if (m_ControlList.GetAt(i) == pControl) - return i; - } - return -1; -} - -int CPDF_FormField::GetFieldType() const { - switch (m_Type) { - case PushButton: - return FIELDTYPE_PUSHBUTTON; - case CheckBox: - return FIELDTYPE_CHECKBOX; - case RadioButton: - return FIELDTYPE_RADIOBUTTON; - case ComboBox: - return FIELDTYPE_COMBOBOX; - case ListBox: - return FIELDTYPE_LISTBOX; - case Text: - case RichText: - case File: - return FIELDTYPE_TEXTFIELD; - case Sign: - return FIELDTYPE_SIGNATURE; - default: - break; - } - return FIELDTYPE_UNKNOWN; -} - -CPDF_AAction CPDF_FormField::GetAdditionalAction() const { - CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "AA"); - return CPDF_AAction(pObj ? pObj->GetDict() : nullptr); -} - -CFX_WideString CPDF_FormField::GetAlternateName() const { - CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "TU"); - if (!pObj) { - return L""; - } - return pObj->GetUnicodeText(); -} -CFX_WideString CPDF_FormField::GetMappingName() const { - CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "TM"); - if (!pObj) { - return L""; - } - return pObj->GetUnicodeText(); -} -uint32_t CPDF_FormField::GetFieldFlags() const { - CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "Ff"); - if (!pObj) { - return 0; - } - return pObj->GetInteger(); -} -CFX_ByteString CPDF_FormField::GetDefaultStyle() const { - CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "DS"); - if (!pObj) { - return ""; - } - return pObj->GetString(); -} -CFX_WideString CPDF_FormField::GetRichTextString() const { - CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "RV"); - if (!pObj) { - return L""; - } - return pObj->GetUnicodeText(); -} -CFX_WideString CPDF_FormField::GetValue(FX_BOOL bDefault) const { - if (GetType() == CheckBox || GetType() == RadioButton) - return GetCheckValue(bDefault); - - CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, bDefault ? "DV" : "V"); - if (!pValue) { - if (!bDefault) { - if (m_Type == RichText) { - pValue = FPDF_GetFieldAttr(m_pDict, "V"); - } - if (!pValue && m_Type != Text) { - pValue = FPDF_GetFieldAttr(m_pDict, "DV"); - } - } - if (!pValue) - return CFX_WideString(); - } - switch (pValue->GetType()) { - case CPDF_Object::STRING: - case CPDF_Object::STREAM: - return pValue->GetUnicodeText(); - case CPDF_Object::ARRAY: - pValue = pValue->AsArray()->GetDirectObjectAt(0); - if (pValue) - return pValue->GetUnicodeText(); - break; - default: - break; - } - return CFX_WideString(); -} - -CFX_WideString CPDF_FormField::GetValue() const { - return GetValue(FALSE); -} - -CFX_WideString CPDF_FormField::GetDefaultValue() const { - return GetValue(TRUE); -} - -FX_BOOL CPDF_FormField::SetValue(const CFX_WideString& value, - FX_BOOL bDefault, - FX_BOOL bNotify) { - switch (m_Type) { - case CheckBox: - case RadioButton: { - SetCheckValue(value, bDefault, bNotify); - return TRUE; - } - case File: - case RichText: - case Text: - case ComboBox: { - CFX_WideString csValue = value; - if (bNotify && !NotifyBeforeValueChange(csValue)) - return FALSE; - - int iIndex = FindOptionValue(csValue); - if (iIndex < 0) { - CFX_ByteString bsEncodeText = PDF_EncodeText(csValue); - m_pDict->SetAtString(bDefault ? "DV" : "V", bsEncodeText); - if (m_Type == RichText && !bDefault) - m_pDict->SetAtString("RV", bsEncodeText); - m_pDict->RemoveAt("I"); - } else { - m_pDict->SetAtString(bDefault ? "DV" : "V", PDF_EncodeText(csValue)); - if (!bDefault) { - ClearSelection(); - SetItemSelection(iIndex, TRUE); - } - } - if (bNotify) - NotifyAfterValueChange(); - } break; - case ListBox: { - int iIndex = FindOptionValue(value); - if (iIndex < 0) - return FALSE; - - if (bDefault && iIndex == GetDefaultSelectedItem()) - return FALSE; - - if (bNotify && !NotifyBeforeSelectionChange(value)) - return FALSE; - - if (!bDefault) { - ClearSelection(); - SetItemSelection(iIndex, TRUE); - } - if (bNotify) - NotifyAfterSelectionChange(); - break; - } - default: - break; - } - return TRUE; -} - -FX_BOOL CPDF_FormField::SetValue(const CFX_WideString& value, FX_BOOL bNotify) { - return SetValue(value, FALSE, bNotify); -} - -int CPDF_FormField::GetMaxLen() const { - if (CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "MaxLen")) - return pObj->GetInteger(); - - for (int i = 0; i < m_ControlList.GetSize(); i++) { - CPDF_FormControl* pControl = m_ControlList.GetAt(i); - if (!pControl) - continue; - - CPDF_Dictionary* pWidgetDict = pControl->m_pWidgetDict; - if (pWidgetDict->KeyExist("MaxLen")) - return pWidgetDict->GetIntegerBy("MaxLen"); - } - return 0; -} - -int CPDF_FormField::CountSelectedItems() const { - CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "V"); - if (!pValue) { - pValue = FPDF_GetFieldAttr(m_pDict, "I"); - if (!pValue) - return 0; - } - - if (pValue->IsString() || pValue->IsNumber()) - return pValue->GetString().IsEmpty() ? 0 : 1; - if (CPDF_Array* pArray = pValue->AsArray()) - return pArray->GetCount(); - return 0; -} - -int CPDF_FormField::GetSelectedIndex(int index) const { - CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "V"); - if (!pValue) { - pValue = FPDF_GetFieldAttr(m_pDict, "I"); - if (!pValue) - return -1; - } - if (pValue->IsNumber()) - return pValue->GetInteger(); - - CFX_WideString sel_value; - if (pValue->IsString()) { - if (index != 0) - return -1; - sel_value = pValue->GetUnicodeText(); - } else { - CPDF_Array* pArray = pValue->AsArray(); - if (!pArray || index < 0) - return -1; - - CPDF_Object* elementValue = pArray->GetDirectObjectAt(index); - sel_value = - elementValue ? elementValue->GetUnicodeText() : CFX_WideString(); - } - if (index < CountSelectedOptions()) { - int iOptIndex = GetSelectedOptionIndex(index); - CFX_WideString csOpt = GetOptionValue(iOptIndex); - if (csOpt == sel_value) { - return iOptIndex; - } - } - for (int i = 0; i < CountOptions(); i++) { - if (sel_value == GetOptionValue(i)) - return i; - } - return -1; -} - -FX_BOOL CPDF_FormField::ClearSelection(FX_BOOL bNotify) { - if (bNotify && m_pForm->m_pFormNotify) { - CFX_WideString csValue; - int iIndex = GetSelectedIndex(0); - if (iIndex >= 0) - csValue = GetOptionLabel(iIndex); - - if (!NotifyListOrComboBoxBeforeChange(csValue)) - return FALSE; - } - m_pDict->RemoveAt("V"); - m_pDict->RemoveAt("I"); - if (bNotify) - NotifyListOrComboBoxAfterChange(); - return TRUE; -} - -FX_BOOL CPDF_FormField::IsItemSelected(int index) const { - ASSERT(GetType() == ComboBox || GetType() == ListBox); - if (index < 0 || index >= CountOptions()) { - return FALSE; - } - if (IsOptionSelected(index)) { - return TRUE; - } - CFX_WideString opt_value = GetOptionValue(index); - CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "V"); - if (!pValue) { - pValue = FPDF_GetFieldAttr(m_pDict, "I"); - if (!pValue) { - return FALSE; - } - } - - if (pValue->IsString()) - return pValue->GetUnicodeText() == opt_value; - - if (pValue->IsNumber()) { - if (pValue->GetString().IsEmpty()) - return FALSE; - return (pValue->GetInteger() == index); - } - - CPDF_Array* pArray = pValue->AsArray(); - if (!pArray) - return FALSE; - - int iPos = -1; - for (int j = 0; j < CountSelectedOptions(); j++) { - if (GetSelectedOptionIndex(j) == index) { - iPos = j; - break; - } - } - for (int i = 0; i < static_cast<int>(pArray->GetCount()); i++) - if (pArray->GetDirectObjectAt(i)->GetUnicodeText() == opt_value && - i == iPos) { - return TRUE; - } - return FALSE; -} - -FX_BOOL CPDF_FormField::SetItemSelection(int index, - FX_BOOL bSelected, - FX_BOOL bNotify) { - ASSERT(GetType() == ComboBox || GetType() == ListBox); - if (index < 0 || index >= CountOptions()) - return FALSE; - - CFX_WideString opt_value = GetOptionValue(index); - if (bNotify && !NotifyListOrComboBoxBeforeChange(opt_value)) - return FALSE; - - if (bSelected) { - if (GetType() == ListBox) { - SelectOption(index, TRUE); - if (!(m_Flags & kFormListMultiSelect)) { - m_pDict->SetAtString("V", PDF_EncodeText(opt_value)); - } else { - CPDF_Array* pArray = new CPDF_Array; - for (int i = 0; i < CountOptions(); i++) { - if (i == index || IsItemSelected(i)) { - opt_value = GetOptionValue(i); - pArray->AddString(PDF_EncodeText(opt_value)); - } - } - m_pDict->SetAt("V", pArray); - } - } else { - m_pDict->SetAtString("V", PDF_EncodeText(opt_value)); - CPDF_Array* pI = new CPDF_Array; - pI->AddInteger(index); - m_pDict->SetAt("I", pI); - } - } else { - CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "V"); - if (pValue) { - if (GetType() == ListBox) { - SelectOption(index, FALSE); - if (pValue->IsString()) { - if (pValue->GetUnicodeText() == opt_value) - m_pDict->RemoveAt("V"); - } else if (pValue->IsArray()) { - CPDF_Array* pArray = new CPDF_Array; - for (int i = 0; i < CountOptions(); i++) { - if (i != index && IsItemSelected(i)) { - opt_value = GetOptionValue(i); - pArray->AddString(PDF_EncodeText(opt_value)); - } - } - if (pArray->GetCount() < 1) - pArray->Release(); - else - m_pDict->SetAt("V", pArray); - } - } else { - m_pDict->RemoveAt("V"); - m_pDict->RemoveAt("I"); - } - } - } - if (bNotify) - NotifyListOrComboBoxAfterChange(); - return TRUE; -} - -FX_BOOL CPDF_FormField::IsItemDefaultSelected(int index) const { - ASSERT(GetType() == ComboBox || GetType() == ListBox); - if (index < 0 || index >= CountOptions()) - return FALSE; - int iDVIndex = GetDefaultSelectedItem(); - return iDVIndex >= 0 && iDVIndex == index; -} - -int CPDF_FormField::GetDefaultSelectedItem() const { - ASSERT(GetType() == ComboBox || GetType() == ListBox); - CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "DV"); - if (!pValue) - return -1; - CFX_WideString csDV = pValue->GetUnicodeText(); - if (csDV.IsEmpty()) - return -1; - for (int i = 0; i < CountOptions(); i++) { - if (csDV == GetOptionValue(i)) - return i; - } - return -1; -} - -int CPDF_FormField::CountOptions() const { - CPDF_Array* pArray = ToArray(FPDF_GetFieldAttr(m_pDict, "Opt")); - return pArray ? pArray->GetCount() : 0; -} - -CFX_WideString CPDF_FormField::GetOptionText(int index, int sub_index) const { - CPDF_Array* pArray = ToArray(FPDF_GetFieldAttr(m_pDict, "Opt")); - if (!pArray) - return CFX_WideString(); - - CPDF_Object* pOption = pArray->GetDirectObjectAt(index); - if (!pOption) - return CFX_WideString(); - if (CPDF_Array* pOptionArray = pOption->AsArray()) - pOption = pOptionArray->GetDirectObjectAt(sub_index); - - CPDF_String* pString = ToString(pOption); - return pString ? pString->GetUnicodeText() : CFX_WideString(); -} -CFX_WideString CPDF_FormField::GetOptionLabel(int index) const { - return GetOptionText(index, 1); -} -CFX_WideString CPDF_FormField::GetOptionValue(int index) const { - return GetOptionText(index, 0); -} - -int CPDF_FormField::FindOption(CFX_WideString csOptLabel) const { - for (int i = 0; i < CountOptions(); i++) { - if (GetOptionValue(i) == csOptLabel) - return i; - } - return -1; -} - -int CPDF_FormField::FindOptionValue(const CFX_WideString& csOptValue) const { - for (int i = 0; i < CountOptions(); i++) { - if (GetOptionValue(i) == csOptValue) - return i; - } - return -1; -} - -#ifdef PDF_ENABLE_XFA -int CPDF_FormField::InsertOption(CFX_WideString csOptLabel, - int index, - FX_BOOL bNotify) { - if (csOptLabel.IsEmpty()) - return -1; - - if (bNotify && !NotifyListOrComboBoxBeforeChange(csOptLabel)) - return -1; - - CFX_ByteString csStr = - PDF_EncodeText(csOptLabel.c_str(), csOptLabel.GetLength()); - CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "Opt"); - CPDF_Array* pOpt = ToArray(pValue); - if (!pOpt) { - pOpt = new CPDF_Array; - m_pDict->SetAt("Opt", pOpt); - } - - int iCount = (int)pOpt->GetCount(); - if (index < 0 || index >= iCount) { - pOpt->AddString(csStr); - index = iCount; - } else { - CPDF_String* pString = new CPDF_String(csStr, FALSE); - pOpt->InsertAt(index, pString); - } - - if (bNotify) - NotifyListOrComboBoxAfterChange(); - return index; -} - -FX_BOOL CPDF_FormField::ClearOptions(FX_BOOL bNotify) { - if (bNotify && m_pForm->m_pFormNotify) { - CFX_WideString csValue; - int iIndex = GetSelectedIndex(0); - if (iIndex >= 0) - csValue = GetOptionLabel(iIndex); - if (!NotifyListOrComboBoxBeforeChange(csValue)) - return FALSE; - } - - m_pDict->RemoveAt("Opt"); - m_pDict->RemoveAt("V"); - m_pDict->RemoveAt("DV"); - m_pDict->RemoveAt("I"); - m_pDict->RemoveAt("TI"); - - if (bNotify) - NotifyListOrComboBoxAfterChange(); - - return TRUE; -} -#endif // PDF_ENABLE_XFA - -FX_BOOL CPDF_FormField::CheckControl(int iControlIndex, - bool bChecked, - bool bNotify) { - ASSERT(GetType() == CheckBox || GetType() == RadioButton); - CPDF_FormControl* pControl = GetControl(iControlIndex); - if (!pControl) { - return FALSE; - } - if (!bChecked && pControl->IsChecked() == bChecked) { - return FALSE; - } - CFX_WideString csWExport = pControl->GetExportValue(); - CFX_ByteString csBExport = PDF_EncodeText(csWExport); - int iCount = CountControls(); - bool bUnison = PDF_FormField_IsUnison(this); - for (int i = 0; i < iCount; i++) { - CPDF_FormControl* pCtrl = GetControl(i); - if (bUnison) { - CFX_WideString csEValue = pCtrl->GetExportValue(); - if (csEValue == csWExport) { - if (pCtrl->GetOnStateName() == pControl->GetOnStateName()) { - pCtrl->CheckControl(bChecked); - } else if (bChecked) { - pCtrl->CheckControl(FALSE); - } - } else if (bChecked) { - pCtrl->CheckControl(FALSE); - } - } else { - if (i == iControlIndex) { - pCtrl->CheckControl(bChecked); - } else if (bChecked) { - pCtrl->CheckControl(FALSE); - } - } - } - CPDF_Object* pOpt = FPDF_GetFieldAttr(m_pDict, "Opt"); - if (!ToArray(pOpt)) { - if (bChecked) { - m_pDict->SetAtName("V", csBExport); - } else { - CFX_ByteString csV; - CPDF_Object* pV = FPDF_GetFieldAttr(m_pDict, "V"); - if (pV) { - csV = pV->GetString(); - } - if (csV == csBExport) { - m_pDict->SetAtName("V", "Off"); - } - } - } else if (bChecked) { - CFX_ByteString csIndex; - csIndex.Format("%d", iControlIndex); - m_pDict->SetAtName("V", csIndex); - } - if (bNotify && m_pForm->m_pFormNotify) - m_pForm->m_pFormNotify->AfterCheckedStatusChange(this); - return TRUE; -} - -CFX_WideString CPDF_FormField::GetCheckValue(FX_BOOL bDefault) const { - ASSERT(GetType() == CheckBox || GetType() == RadioButton); - CFX_WideString csExport = L"Off"; - int iCount = CountControls(); - for (int i = 0; i < iCount; i++) { - CPDF_FormControl* pControl = GetControl(i); - FX_BOOL bChecked = - bDefault ? pControl->IsDefaultChecked() : pControl->IsChecked(); - if (bChecked) { - csExport = pControl->GetExportValue(); - break; - } - } - return csExport; -} - -FX_BOOL CPDF_FormField::SetCheckValue(const CFX_WideString& value, - FX_BOOL bDefault, - FX_BOOL bNotify) { - ASSERT(GetType() == CheckBox || GetType() == RadioButton); - int iCount = CountControls(); - for (int i = 0; i < iCount; i++) { - CPDF_FormControl* pControl = GetControl(i); - CFX_WideString csExport = pControl->GetExportValue(); - bool val = csExport == value; - if (!bDefault) - CheckControl(GetControlIndex(pControl), val); - if (val) - break; - } - if (bNotify && m_pForm->m_pFormNotify) - m_pForm->m_pFormNotify->AfterCheckedStatusChange(this); - return TRUE; -} - -int CPDF_FormField::GetTopVisibleIndex() const { - CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "TI"); - return pObj ? pObj->GetInteger() : 0; -} - -int CPDF_FormField::CountSelectedOptions() const { - CPDF_Array* pArray = ToArray(FPDF_GetFieldAttr(m_pDict, "I")); - return pArray ? pArray->GetCount() : 0; -} - -int CPDF_FormField::GetSelectedOptionIndex(int index) const { - CPDF_Array* pArray = ToArray(FPDF_GetFieldAttr(m_pDict, "I")); - if (!pArray) - return -1; - - int iCount = pArray->GetCount(); - if (iCount < 0 || index >= iCount) - return -1; - return pArray->GetIntegerAt(index); -} - -FX_BOOL CPDF_FormField::IsOptionSelected(int iOptIndex) const { - CPDF_Array* pArray = ToArray(FPDF_GetFieldAttr(m_pDict, "I")); - if (!pArray) - return FALSE; - - for (CPDF_Object* pObj : *pArray) { - if (pObj->GetInteger() == iOptIndex) - return TRUE; - } - return FALSE; -} - -FX_BOOL CPDF_FormField::SelectOption(int iOptIndex, - FX_BOOL bSelected, - FX_BOOL bNotify) { - CPDF_Array* pArray = m_pDict->GetArrayBy("I"); - if (!pArray) { - if (!bSelected) - return TRUE; - - pArray = new CPDF_Array; - m_pDict->SetAt("I", pArray); - } - - FX_BOOL bReturn = FALSE; - for (size_t i = 0; i < pArray->GetCount(); i++) { - int iFind = pArray->GetIntegerAt(i); - if (iFind == iOptIndex) { - if (bSelected) - return TRUE; - - if (bNotify && m_pForm->m_pFormNotify) { - CFX_WideString csValue = GetOptionLabel(iOptIndex); - if (!NotifyListOrComboBoxBeforeChange(csValue)) - return FALSE; - } - pArray->RemoveAt(i); - bReturn = TRUE; - break; - } - - if (iFind > iOptIndex) { - if (!bSelected) - continue; - - if (bNotify && m_pForm->m_pFormNotify) { - CFX_WideString csValue = GetOptionLabel(iOptIndex); - if (!NotifyListOrComboBoxBeforeChange(csValue)) - return FALSE; - } - pArray->InsertAt(i, new CPDF_Number(iOptIndex)); - bReturn = TRUE; - break; - } - } - if (!bReturn) { - if (bSelected) - pArray->AddInteger(iOptIndex); - - if (pArray->GetCount() == 0) - m_pDict->RemoveAt("I"); - } - if (bNotify) - NotifyListOrComboBoxAfterChange(); - - return TRUE; -} - -FX_BOOL CPDF_FormField::ClearSelectedOptions(FX_BOOL bNotify) { - if (bNotify && m_pForm->m_pFormNotify) { - CFX_WideString csValue; - int iIndex = GetSelectedIndex(0); - if (iIndex >= 0) - csValue = GetOptionLabel(iIndex); - - if (!NotifyListOrComboBoxBeforeChange(csValue)) - return FALSE; - } - m_pDict->RemoveAt("I"); - if (bNotify) - NotifyListOrComboBoxAfterChange(); - - return TRUE; -} - -void CPDF_FormField::LoadDA() { - CPDF_Dictionary* pFormDict = m_pForm->m_pFormDict; - if (!pFormDict) - return; - - CFX_ByteString DA; - if (CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "DA")) - DA = pObj->GetString(); - - if (DA.IsEmpty()) - DA = pFormDict->GetStringBy("DA"); - - if (DA.IsEmpty()) - return; - - CPDF_Dictionary* pDR = pFormDict->GetDictBy("DR"); - if (!pDR) - return; - - CPDF_Dictionary* pFont = pDR->GetDictBy("Font"); - if (!pFont) - return; - - CPDF_SimpleParser syntax(DA.AsStringC()); - syntax.FindTagParamFromStart("Tf", 2); - CFX_ByteString font_name(syntax.GetWord()); - CPDF_Dictionary* pFontDict = pFont->GetDictBy(font_name); - if (!pFontDict) - return; - - m_pFont = m_pForm->m_pDocument->LoadFont(pFontDict); - m_FontSize = FX_atof(syntax.GetWord()); -} - -bool CPDF_FormField::NotifyBeforeSelectionChange(const CFX_WideString& value) { - if (!m_pForm->m_pFormNotify) - return true; - return m_pForm->m_pFormNotify->BeforeSelectionChange(this, value) >= 0; -} - -void CPDF_FormField::NotifyAfterSelectionChange() { - if (!m_pForm->m_pFormNotify) - return; - m_pForm->m_pFormNotify->AfterSelectionChange(this); -} - -bool CPDF_FormField::NotifyBeforeValueChange(const CFX_WideString& value) { - if (!m_pForm->m_pFormNotify) - return true; - return m_pForm->m_pFormNotify->BeforeValueChange(this, value) >= 0; -} - -void CPDF_FormField::NotifyAfterValueChange() { - if (!m_pForm->m_pFormNotify) - return; - m_pForm->m_pFormNotify->AfterValueChange(this); -} - -bool CPDF_FormField::NotifyListOrComboBoxBeforeChange( - const CFX_WideString& value) { - switch (GetType()) { - case ListBox: - return NotifyBeforeSelectionChange(value); - case ComboBox: - return NotifyBeforeValueChange(value); - default: - return true; - } -} - -void CPDF_FormField::NotifyListOrComboBoxAfterChange() { - switch (GetType()) { - case ListBox: - NotifyAfterSelectionChange(); - break; - case ComboBox: - NotifyAfterValueChange(); - break; - default: - break; - } -} |