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-rw-r--r--core/fpdfdoc/doc_formfield.cpp1097
1 files changed, 1097 insertions, 0 deletions
diff --git a/core/fpdfdoc/doc_formfield.cpp b/core/fpdfdoc/doc_formfield.cpp
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+++ b/core/fpdfdoc/doc_formfield.cpp
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+// 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/doc_utils.h"
+#include "core/include/fpdfapi/cfdf_document.h"
+#include "core/include/fpdfapi/cpdf_array.h"
+#include "core/include/fpdfapi/cpdf_document.h"
+#include "core/include/fpdfapi/cpdf_number.h"
+#include "core/include/fpdfapi/cpdf_simple_parser.h"
+#include "core/include/fpdfapi/cpdf_string.h"
+#include "core/include/fpdfdoc/fpdf_doc.h"
+
+FX_BOOL PDF_FormField_IsUnison(CPDF_FormField* pField) {
+ FX_BOOL bUnison = FALSE;
+ if (pField->GetType() == CPDF_FormField::CheckBox) {
+ bUnison = TRUE;
+ } else {
+ FX_DWORD dwFlags = pField->GetFieldFlags();
+ bUnison = ((dwFlags & 0x2000000) != 0);
+ }
+ return bUnison;
+}
+CPDF_FormField::CPDF_FormField(CPDF_InterForm* pForm, CPDF_Dictionary* pDict) {
+ m_pDict = pDict;
+ m_Type = Unknown;
+ m_pForm = pForm;
+ m_pFont = NULL;
+ m_FontSize = 0;
+ 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();
+ FX_DWORD flags = FPDF_GetFieldAttr(m_pDict, "Ff")
+ ? FPDF_GetFieldAttr(m_pDict, "Ff")->GetInteger()
+ : 0;
+ m_Flags = 0;
+ if (flags & 1) {
+ m_Flags |= FORMFIELD_READONLY;
+ }
+ if (flags & 2) {
+ m_Flags |= FORMFIELD_REQUIRED;
+ }
+ if (flags & 4) {
+ m_Flags |= FORMFIELD_NOEXPORT;
+ }
+ if (type_name == "Btn") {
+ if (flags & 0x8000) {
+ m_Type = RadioButton;
+ if (flags & 0x4000) {
+ m_Flags |= FORMRADIO_NOTOGGLEOFF;
+ }
+ if (flags & 0x2000000) {
+ m_Flags |= FORMRADIO_UNISON;
+ }
+ } 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 |= FORMTEXT_MULTILINE;
+ }
+ if (flags & 0x2000) {
+ m_Flags |= FORMTEXT_PASSWORD;
+ }
+ if (flags & 0x800000) {
+ m_Flags |= FORMTEXT_NOSCROLL;
+ }
+ if (flags & 0x100000) {
+ m_Flags |= FORMTEXT_COMB;
+ }
+ }
+ LoadDA();
+ } else if (type_name == "Ch") {
+ if (flags & 0x20000) {
+ m_Type = ComboBox;
+ if (flags & 0x40000) {
+ m_Flags |= FORMCOMBO_EDIT;
+ }
+ } else {
+ m_Type = ListBox;
+ if (flags & 0x200000) {
+ m_Flags |= FORMLIST_MULTISELECT;
+ }
+ }
+ LoadDA();
+ } else if (type_name == "Sig") {
+ m_Type = Sign;
+ }
+}
+CFX_WideString CPDF_FormField::GetFullName() {
+ 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: {
+ CFX_WideString csValue;
+ ClearSelection();
+ int iIndex = GetDefaultSelectedItem();
+ if (iIndex >= 0) {
+ csValue = GetOptionLabel(iIndex);
+ }
+ if (bNotify && m_pForm->m_pFormNotify) {
+ int iRet = m_pForm->m_pFormNotify->BeforeValueChange(this, csValue);
+ if (iRet < 0) {
+ return FALSE;
+ }
+ }
+ SetItemSelection(iIndex, TRUE);
+ if (bNotify && m_pForm->m_pFormNotify) {
+ m_pForm->m_pFormNotify->AfterValueChange(this);
+ }
+ } break;
+ case CPDF_FormField::ListBox: {
+ CFX_WideString csValue;
+ ClearSelection();
+ int iIndex = GetDefaultSelectedItem();
+ if (iIndex >= 0) {
+ csValue = GetOptionLabel(iIndex);
+ }
+ if (bNotify && m_pForm->m_pFormNotify) {
+ int iRet = m_pForm->m_pFormNotify->BeforeSelectionChange(this, csValue);
+ if (iRet < 0) {
+ return FALSE;
+ }
+ }
+ SetItemSelection(iIndex, TRUE);
+ if (bNotify && m_pForm->m_pFormNotify) {
+ m_pForm->m_pFormNotify->AfterSelectionChange(this);
+ }
+ } 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 && m_pForm->m_pFormNotify) {
+ int iRet = m_pForm->m_pFormNotify->BeforeValueChange(this, csDValue);
+ if (iRet < 0) {
+ 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 && m_pForm->m_pFormNotify) {
+ m_pForm->m_pFormNotify->AfterValueChange(this);
+ }
+ m_pForm->m_bUpdated = TRUE;
+ } break;
+ }
+ return TRUE;
+}
+int CPDF_FormField::GetControlIndex(const CPDF_FormControl* pControl) {
+ 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() {
+ 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() {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "AA");
+ return CPDF_AAction(pObj ? pObj->GetDict() : nullptr);
+}
+
+CFX_WideString CPDF_FormField::GetAlternateName() {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "TU");
+ if (!pObj) {
+ return L"";
+ }
+ return pObj->GetUnicodeText();
+}
+CFX_WideString CPDF_FormField::GetMappingName() {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "TM");
+ if (!pObj) {
+ return L"";
+ }
+ return pObj->GetUnicodeText();
+}
+FX_DWORD CPDF_FormField::GetFieldFlags() {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "Ff");
+ if (!pObj) {
+ return 0;
+ }
+ return pObj->GetInteger();
+}
+CFX_ByteString CPDF_FormField::GetDefaultStyle() {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "DS");
+ if (!pObj) {
+ return "";
+ }
+ return pObj->GetString();
+}
+CFX_WideString CPDF_FormField::GetRichTextString() {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "RV");
+ if (!pObj) {
+ return L"";
+ }
+ return pObj->GetUnicodeText();
+}
+CFX_WideString CPDF_FormField::GetValue(FX_BOOL bDefault) {
+ 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()->GetElementValue(0);
+ if (pValue)
+ return pValue->GetUnicodeText();
+ break;
+ default:
+ break;
+ }
+ return CFX_WideString();
+}
+CFX_WideString CPDF_FormField::GetValue() {
+ return GetValue(FALSE);
+}
+CFX_WideString CPDF_FormField::GetDefaultValue() {
+ 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 && m_pForm->m_pFormNotify) {
+ int iRet = m_pForm->m_pFormNotify->BeforeValueChange(this, csValue);
+ if (iRet < 0) {
+ 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) {
+ } else {
+ ClearSelection();
+ SetItemSelection(iIndex, TRUE);
+ }
+ }
+ if (bNotify && m_pForm->m_pFormNotify) {
+ m_pForm->m_pFormNotify->AfterValueChange(this);
+ }
+ m_pForm->m_bUpdated = TRUE;
+ } break;
+ case ListBox: {
+ int iIndex = FindOptionValue(value);
+ if (iIndex < 0) {
+ return FALSE;
+ }
+ if (bDefault && iIndex == GetDefaultSelectedItem()) {
+ return FALSE;
+ }
+ if (bNotify && m_pForm->m_pFormNotify) {
+ CFX_WideString csValue = value;
+ int iRet = m_pForm->m_pFormNotify->BeforeSelectionChange(this, csValue);
+ if (iRet < 0) {
+ return FALSE;
+ }
+ }
+ if (bDefault) {
+ } else {
+ ClearSelection();
+ SetItemSelection(iIndex, TRUE);
+ }
+ if (bNotify && m_pForm->m_pFormNotify) {
+ m_pForm->m_pFormNotify->AfterSelectionChange(this);
+ }
+ m_pForm->m_bUpdated = TRUE;
+ break;
+ }
+ default:
+ break;
+ }
+ if (CPDF_InterForm::m_bUpdateAP) {
+ UpdateAP(NULL);
+ }
+ return TRUE;
+}
+FX_BOOL CPDF_FormField::SetValue(const CFX_WideString& value, FX_BOOL bNotify) {
+ return SetValue(value, FALSE, bNotify);
+}
+int CPDF_FormField::GetMaxLen() {
+ 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() {
+ 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) {
+ 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->GetElementValue(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;
+ }
+ }
+ int nOpts = CountOptions();
+ for (int i = 0; i < nOpts; i++) {
+ if (sel_value == GetOptionValue(i)) {
+ return i;
+ }
+ }
+ return -1;
+}
+FX_BOOL CPDF_FormField::ClearSelection(FX_BOOL bNotify) {
+ if (bNotify && m_pForm->m_pFormNotify) {
+ int iRet = 0;
+ CFX_WideString csValue;
+ int iIndex = GetSelectedIndex(0);
+ if (iIndex >= 0) {
+ csValue = GetOptionLabel(iIndex);
+ }
+ if (GetType() == ListBox) {
+ iRet = m_pForm->m_pFormNotify->BeforeSelectionChange(this, csValue);
+ }
+ if (GetType() == ComboBox) {
+ iRet = m_pForm->m_pFormNotify->BeforeValueChange(this, csValue);
+ }
+ if (iRet < 0) {
+ return FALSE;
+ }
+ }
+ m_pDict->RemoveAt("V");
+ m_pDict->RemoveAt("I");
+ if (bNotify && m_pForm->m_pFormNotify) {
+ if (GetType() == ListBox) {
+ m_pForm->m_pFormNotify->AfterSelectionChange(this);
+ }
+ if (GetType() == ComboBox) {
+ m_pForm->m_pFormNotify->AfterValueChange(this);
+ }
+ }
+ if (CPDF_InterForm::m_bUpdateAP) {
+ UpdateAP(NULL);
+ }
+ m_pForm->m_bUpdated = TRUE;
+ return TRUE;
+}
+FX_BOOL CPDF_FormField::IsItemSelected(int index) {
+ 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 (FX_DWORD i = 0; i < pArray->GetCount(); i++)
+ if (pArray->GetElementValue(i)->GetUnicodeText() == opt_value &&
+ (int)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 && m_pForm->m_pFormNotify) {
+ int iRet = 0;
+ if (GetType() == ListBox) {
+ iRet = m_pForm->m_pFormNotify->BeforeSelectionChange(this, opt_value);
+ }
+ if (GetType() == ComboBox) {
+ iRet = m_pForm->m_pFormNotify->BeforeValueChange(this, opt_value);
+ }
+ if (iRet < 0) {
+ return FALSE;
+ }
+ }
+ if (!bSelected) {
+ CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "V");
+ if (pValue) {
+ if (m_Type == 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;
+ int iCount = CountOptions();
+ for (int i = 0; i < iCount; i++) {
+ if (i != index) {
+ if (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 if (m_Type == ComboBox) {
+ m_pDict->RemoveAt("V");
+ m_pDict->RemoveAt("I");
+ }
+ }
+ } else {
+ if (m_Type == ListBox) {
+ SelectOption(index, TRUE);
+ if (!(m_Flags & FORMLIST_MULTISELECT)) {
+ m_pDict->SetAtString("V", PDF_EncodeText(opt_value));
+ } else {
+ CPDF_Array* pArray = new CPDF_Array;
+ int iCount = CountOptions();
+ for (int i = 0; i < iCount; i++) {
+ FX_BOOL bSelected;
+ if (i != index) {
+ bSelected = IsItemSelected(i);
+ } else {
+ bSelected = TRUE;
+ }
+ if (bSelected) {
+ opt_value = GetOptionValue(i);
+ pArray->AddString(PDF_EncodeText(opt_value));
+ }
+ }
+ m_pDict->SetAt("V", pArray);
+ }
+ } else if (m_Type == ComboBox) {
+ m_pDict->SetAtString("V", PDF_EncodeText(opt_value));
+ CPDF_Array* pI = new CPDF_Array;
+ pI->AddInteger(index);
+ m_pDict->SetAt("I", pI);
+ }
+ }
+ if (bNotify && m_pForm->m_pFormNotify) {
+ if (GetType() == ListBox) {
+ m_pForm->m_pFormNotify->AfterSelectionChange(this);
+ }
+ if (GetType() == ComboBox) {
+ m_pForm->m_pFormNotify->AfterValueChange(this);
+ }
+ }
+ if (CPDF_InterForm::m_bUpdateAP) {
+ UpdateAP(NULL);
+ }
+ m_pForm->m_bUpdated = TRUE;
+ return TRUE;
+}
+FX_BOOL CPDF_FormField::IsItemDefaultSelected(int index) {
+ ASSERT(GetType() == ComboBox || GetType() == ListBox);
+ if (index < 0 || index >= CountOptions()) {
+ return FALSE;
+ }
+ int iDVIndex = GetDefaultSelectedItem();
+ if (iDVIndex < 0) {
+ return FALSE;
+ }
+ return (iDVIndex == index);
+}
+int CPDF_FormField::GetDefaultSelectedItem() {
+ 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;
+ }
+ int iCount = CountOptions();
+ for (int i = 0; i < iCount; i++) {
+ if (csDV == GetOptionValue(i)) {
+ return i;
+ }
+ }
+ return -1;
+}
+void CPDF_FormField::UpdateAP(CPDF_FormControl* pControl) {
+ if (m_Type == PushButton) {
+ return;
+ }
+ if (m_Type == RadioButton || m_Type == CheckBox) {
+ return;
+ }
+ if (!m_pForm->m_bGenerateAP) {
+ return;
+ }
+ for (int i = 0; i < CountControls(); i++) {
+ CPDF_FormControl* pControl = GetControl(i);
+ FPDF_GenerateAP(m_pForm->m_pDocument, pControl->m_pWidgetDict);
+ }
+}
+int CPDF_FormField::CountOptions() {
+ CPDF_Array* pArray = ToArray(FPDF_GetFieldAttr(m_pDict, "Opt"));
+ return pArray ? pArray->GetCount() : 0;
+}
+CFX_WideString CPDF_FormField::GetOptionText(int index, int sub_index) {
+ CPDF_Array* pArray = ToArray(FPDF_GetFieldAttr(m_pDict, "Opt"));
+ if (!pArray)
+ return CFX_WideString();
+
+ CPDF_Object* pOption = pArray->GetElementValue(index);
+ if (!pOption)
+ return CFX_WideString();
+ if (CPDF_Array* pOptionArray = pOption->AsArray())
+ pOption = pOptionArray->GetElementValue(sub_index);
+
+ CPDF_String* pString = ToString(pOption);
+ return pString ? pString->GetUnicodeText() : CFX_WideString();
+}
+CFX_WideString CPDF_FormField::GetOptionLabel(int index) {
+ return GetOptionText(index, 1);
+}
+CFX_WideString CPDF_FormField::GetOptionValue(int index) {
+ return GetOptionText(index, 0);
+}
+int CPDF_FormField::FindOption(CFX_WideString csOptLabel) {
+ int iCount = CountOptions();
+ for (int i = 0; i < iCount; i++) {
+ CFX_WideString csValue = GetOptionValue(i);
+ if (csValue == csOptLabel) {
+ return i;
+ }
+ }
+ return -1;
+}
+int CPDF_FormField::FindOptionValue(const CFX_WideString& csOptValue,
+ int iStartIndex) {
+ if (iStartIndex < 0) {
+ iStartIndex = 0;
+ }
+ int iCount = CountOptions();
+ for (; iStartIndex < iCount; iStartIndex++) {
+ CFX_WideString csValue = GetOptionValue(iStartIndex);
+ if (csValue == csOptValue) {
+ return iStartIndex;
+ }
+ }
+ 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 && m_pForm->m_pFormNotify) {
+ int iRet = 0;
+ if (GetType() == ListBox)
+ iRet = m_pForm->m_pFormNotify->BeforeSelectionChange(this, csOptLabel);
+ if (GetType() == ComboBox)
+ iRet = m_pForm->m_pFormNotify->BeforeValueChange(this, csOptLabel);
+ if (iRet < 0)
+ return -1;
+ }
+
+ CFX_ByteString csStr = PDF_EncodeText(csOptLabel, 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 && m_pForm->m_pFormNotify) {
+ if (GetType() == ListBox)
+ m_pForm->m_pFormNotify->AfterSelectionChange(this);
+ if (GetType() == ComboBox)
+ m_pForm->m_pFormNotify->AfterValueChange(this);
+ }
+ m_pForm->m_bUpdated = TRUE;
+ return index;
+}
+FX_BOOL CPDF_FormField::ClearOptions(FX_BOOL bNotify) {
+ if (bNotify && m_pForm->m_pFormNotify) {
+ int iRet = 0;
+ CFX_WideString csValue;
+ int iIndex = GetSelectedIndex(0);
+ if (iIndex >= 0)
+ csValue = GetOptionLabel(iIndex);
+ if (GetType() == ListBox)
+ iRet = m_pForm->m_pFormNotify->BeforeSelectionChange(this, csValue);
+ if (GetType() == ComboBox)
+ iRet = m_pForm->m_pFormNotify->BeforeValueChange(this, csValue);
+ if (iRet < 0)
+ return FALSE;
+ }
+
+ m_pDict->RemoveAt("Opt");
+ m_pDict->RemoveAt("V");
+ m_pDict->RemoveAt("DV");
+ m_pDict->RemoveAt("I");
+ m_pDict->RemoveAt("TI");
+
+ if (bNotify && m_pForm->m_pFormNotify) {
+ if (GetType() == ListBox)
+ m_pForm->m_pFormNotify->AfterSelectionChange(this);
+ if (GetType() == ComboBox)
+ m_pForm->m_pFormNotify->AfterValueChange(this);
+ }
+
+ m_pForm->m_bUpdated = TRUE;
+ 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();
+ FX_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);
+ }
+ m_pForm->m_bUpdated = TRUE;
+ return TRUE;
+}
+CFX_WideString CPDF_FormField::GetCheckValue(FX_BOOL bDefault) {
+ ASSERT(GetType() == CheckBox || GetType() == RadioButton);
+ CFX_WideString csExport = L"Off";
+ FX_BOOL bChecked;
+ int iCount = CountControls();
+ for (int i = 0; i < iCount; i++) {
+ CPDF_FormControl* pControl = GetControl(i);
+ if (bDefault) {
+ bChecked = pControl->IsDefaultChecked();
+ } else {
+ bChecked = 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();
+ if (csExport == value) {
+ if (bDefault) {
+ } else {
+ CheckControl(GetControlIndex(pControl), TRUE);
+ }
+ break;
+ } else {
+ if (bDefault) {
+ } else {
+ CheckControl(GetControlIndex(pControl), FALSE);
+ }
+ }
+ }
+ if (bNotify && m_pForm->m_pFormNotify) {
+ m_pForm->m_pFormNotify->AfterCheckedStatusChange(this);
+ }
+ m_pForm->m_bUpdated = TRUE;
+ return TRUE;
+}
+int CPDF_FormField::GetTopVisibleIndex() {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "TI");
+ if (!pObj) {
+ return 0;
+ }
+ return pObj->GetInteger();
+}
+int CPDF_FormField::CountSelectedOptions() {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "I");
+ if (!pObj) {
+ return 0;
+ }
+ CPDF_Array* pArray = pObj->GetArray();
+ if (!pArray) {
+ return 0;
+ }
+ return (int)pArray->GetCount();
+}
+int CPDF_FormField::GetSelectedOptionIndex(int index) {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "I");
+ if (!pObj) {
+ return -1;
+ }
+ CPDF_Array* pArray = pObj->GetArray();
+ if (!pArray) {
+ return -1;
+ }
+ int iCount = (int)pArray->GetCount();
+ if (iCount > 0 && index < iCount) {
+ return pArray->GetIntegerAt(index);
+ }
+ return -1;
+}
+FX_BOOL CPDF_FormField::IsOptionSelected(int iOptIndex) {
+ CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "I");
+ if (!pObj) {
+ return FALSE;
+ }
+ CPDF_Array* pArray = pObj->GetArray();
+ if (!pArray) {
+ return FALSE;
+ }
+ int iCount = (int)pArray->GetCount();
+ for (int i = 0; i < iCount; i++) {
+ if (pArray->GetIntegerAt(i) == 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 (int i = 0; i < (int)pArray->GetCount(); i++) {
+ int iFind = pArray->GetIntegerAt(i);
+ if (iFind == iOptIndex) {
+ if (bSelected) {
+ return TRUE;
+ }
+ if (bNotify && m_pForm->m_pFormNotify) {
+ int iRet = 0;
+ CFX_WideString csValue = GetOptionLabel(iOptIndex);
+ if (GetType() == ListBox) {
+ iRet = m_pForm->m_pFormNotify->BeforeSelectionChange(this, csValue);
+ }
+ if (GetType() == ComboBox) {
+ iRet = m_pForm->m_pFormNotify->BeforeValueChange(this, csValue);
+ }
+ if (iRet < 0) {
+ return FALSE;
+ }
+ }
+ pArray->RemoveAt(i);
+ bReturn = TRUE;
+ break;
+ } else if (iFind > iOptIndex) {
+ if (!bSelected) {
+ continue;
+ }
+ if (bNotify && m_pForm->m_pFormNotify) {
+ int iRet = 0;
+ CFX_WideString csValue = GetOptionLabel(iOptIndex);
+ if (GetType() == ListBox) {
+ iRet = m_pForm->m_pFormNotify->BeforeSelectionChange(this, csValue);
+ }
+ if (GetType() == ComboBox) {
+ iRet = m_pForm->m_pFormNotify->BeforeValueChange(this, csValue);
+ }
+ if (iRet < 0) {
+ return FALSE;
+ }
+ }
+ CPDF_Number* pNum = new CPDF_Number(iOptIndex);
+ pArray->InsertAt(i, pNum);
+ bReturn = TRUE;
+ break;
+ }
+ }
+ if (!bReturn) {
+ if (bSelected) {
+ pArray->AddInteger(iOptIndex);
+ }
+ if (pArray->GetCount() == 0) {
+ m_pDict->RemoveAt("I");
+ }
+ }
+ if (bNotify && m_pForm->m_pFormNotify) {
+ if (GetType() == ListBox) {
+ m_pForm->m_pFormNotify->AfterSelectionChange(this);
+ }
+ if (GetType() == ComboBox) {
+ m_pForm->m_pFormNotify->AfterValueChange(this);
+ }
+ }
+ m_pForm->m_bUpdated = TRUE;
+ return TRUE;
+}
+FX_BOOL CPDF_FormField::ClearSelectedOptions(FX_BOOL bNotify) {
+ if (bNotify && m_pForm->m_pFormNotify) {
+ int iRet = 0;
+ CFX_WideString csValue;
+ int iIndex = GetSelectedIndex(0);
+ if (iIndex >= 0) {
+ csValue = GetOptionLabel(iIndex);
+ }
+ if (GetType() == ListBox) {
+ iRet = m_pForm->m_pFormNotify->BeforeSelectionChange(this, csValue);
+ }
+ if (GetType() == ComboBox) {
+ iRet = m_pForm->m_pFormNotify->BeforeValueChange(this, csValue);
+ }
+ if (iRet < 0) {
+ return FALSE;
+ }
+ }
+ m_pDict->RemoveAt("I");
+ if (bNotify && m_pForm->m_pFormNotify) {
+ if (GetType() == ListBox) {
+ m_pForm->m_pFormNotify->AfterSelectionChange(this);
+ }
+ if (GetType() == ComboBox) {
+ m_pForm->m_pFormNotify->AfterValueChange(this);
+ }
+ }
+ m_pForm->m_bUpdated = TRUE;
+ return TRUE;
+}
+void CPDF_FormField::LoadDA() {
+ CFX_ByteString DA;
+ if (CPDF_Object* pObj_t = FPDF_GetFieldAttr(m_pDict, "DA")) {
+ DA = pObj_t->GetString();
+ }
+ if (DA.IsEmpty() && m_pForm->m_pFormDict) {
+ DA = m_pForm->m_pFormDict->GetStringBy("DA");
+ }
+ if (DA.IsEmpty()) {
+ return;
+ }
+ CPDF_SimpleParser syntax(DA);
+ syntax.FindTagParamFromStart("Tf", 2);
+ CFX_ByteString font_name = syntax.GetWord();
+ CPDF_Dictionary* pFontDict = NULL;
+ if (m_pForm->m_pFormDict && m_pForm->m_pFormDict->GetDictBy("DR") &&
+ m_pForm->m_pFormDict->GetDictBy("DR")->GetDictBy("Font"))
+ pFontDict = m_pForm->m_pFormDict->GetDictBy("DR")
+ ->GetDictBy("Font")
+ ->GetDictBy(font_name);
+
+ if (!pFontDict) {
+ return;
+ }
+ m_pFont = m_pForm->m_pDocument->LoadFont(pFontDict);
+ m_FontSize = FX_atof(syntax.GetWord());
+}