// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "core/fpdfapi/fpdf_parser/include/cfdf_document.h"
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#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
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#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
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#include "core/fpdfapi/fpdf_parser/include/cpdf_number.h"
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#include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h"
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#include "core/fpdfapi/fpdf_parser/include/cpdf_string.h"
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#include "core/fpdfdoc/cpvt_generateap.h"
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#include "core/fpdfdoc/doc_utils.h"
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#include "core/fpdfdoc/include/fpdf_doc.h"
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namespace {
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bool PDF_FormField_IsUnison(CPDF_FormField* pField) {
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if (pField->GetType() == CPDF_FormField::CheckBox)
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return true;
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return (pField->GetFieldFlags() & 0x2000000) != 0;
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}
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} // namespace
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CPDF_FormField::CPDF_FormField(CPDF_InterForm* pForm, CPDF_Dictionary* pDict)
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: m_Type(Unknown),
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m_pForm(pForm),
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m_pDict(pDict),
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m_FontSize(0),
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m_pFont(nullptr) {
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SyncFieldFlags();
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}
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CPDF_FormField::~CPDF_FormField() {}
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void CPDF_FormField::SyncFieldFlags() {
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CFX_ByteString type_name = FPDF_GetFieldAttr(m_pDict, "FT")
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? FPDF_GetFieldAttr(m_pDict, "FT")->GetString()
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: CFX_ByteString();
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uint32_t flags = FPDF_GetFieldAttr(m_pDict, "Ff")
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? FPDF_GetFieldAttr(m_pDict, "Ff")->GetInteger()
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: 0;
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m_Flags = 0;
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if (flags & 1) {
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m_Flags |= FORMFIELD_READONLY;
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}
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if (flags & 2) {
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m_Flags |= FORMFIELD_REQUIRED;
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}
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if (flags & 4) {
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m_Flags |= FORMFIELD_NOEXPORT;
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}
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if (type_name == "Btn") {
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if (flags & 0x8000) {
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m_Type = RadioButton;
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if (flags & 0x4000) {
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m_Flags |= FORMRADIO_NOTOGGLEOFF;
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}
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if (flags & 0x2000000) {
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m_Flags |= FORMRADIO_UNISON;
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}
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} else if (flags & 0x10000) {
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m_Type = PushButton;
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} else {
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m_Type = CheckBox;
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}
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} else if (type_name == "Tx") {
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if (flags & 0x100000) {
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m_Type = File;
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} else if (flags & 0x2000000) {
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m_Type = RichText;
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} else {
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m_Type = Text;
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if (flags & 0x1000) {
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m_Flags |= FORMTEXT_MULTILINE;
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}
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if (flags & 0x2000) {
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m_Flags |= FORMTEXT_PASSWORD;
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}
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if (flags & 0x800000) {
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m_Flags |= FORMTEXT_NOSCROLL;
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}
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if (flags & 0x100000) {
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m_Flags |= FORMTEXT_COMB;
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}
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}
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LoadDA();
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} else if (type_name == "Ch") {
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if (flags & 0x20000) {
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m_Type = ComboBox;
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if (flags & 0x40000) {
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m_Flags |= FORMCOMBO_EDIT;
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}
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} else {
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m_Type = ListBox;
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if (flags & 0x200000) {
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m_Flags |= FORMLIST_MULTISELECT;
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}
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}
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LoadDA();
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} else if (type_name == "Sig") {
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m_Type = Sign;
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}
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}
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CFX_WideString CPDF_FormField::GetFullName() const {
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return ::GetFullName(m_pDict);
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}
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FX_BOOL CPDF_FormField::ResetField(FX_BOOL bNotify) {
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switch (m_Type) {
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case CPDF_FormField::CheckBox:
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case CPDF_FormField::RadioButton: {
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int iCount = CountControls();
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if (iCount) {
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// TODO(weili): Check whether anything special needs to be done for
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// unison field. Otherwise, merge these branches.
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if (PDF_FormField_IsUnison(this)) {
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for (int i = 0; i < iCount; i++) {
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CheckControl(i, GetControl(i)->IsDefaultChecked(), FALSE);
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}
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} else {
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for (int i = 0; i < iCount; i++) {
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CheckControl(i, GetControl(i)->IsDefaultChecked(), FALSE);
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}
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}
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}
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if (bNotify && m_pForm->m_pFormNotify) {
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m_pForm->m_pFormNotify->AfterCheckedStatusChange(this);
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}
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} break;
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case CPDF_FormField::ComboBox:
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case CPDF_FormField::ListBox: {
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CFX_WideString csValue;
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ClearSelection();
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int iIndex = GetDefaultSelectedItem();
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if (iIndex >= 0)
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csValue = GetOptionLabel(iIndex);
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if (bNotify && !NotifyListOrComboBoxBeforeChange(csValue))
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return FALSE;
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SetItemSelection(iIndex, TRUE);
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if (bNotify)
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NotifyListOrComboBoxAfterChange();
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} break;
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case CPDF_FormField::Text:
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case CPDF_FormField::RichText:
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case CPDF_FormField::File:
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default: {
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CPDF_Object* pDV = FPDF_GetFieldAttr(m_pDict, "DV");
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CFX_WideString csDValue;
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if (pDV)
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csDValue = pDV->GetUnicodeText();
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CPDF_Object* pV = FPDF_GetFieldAttr(m_pDict, "V");
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CFX_WideString csValue;
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if (pV)
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csValue = pV->GetUnicodeText();
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CPDF_Object* pRV = FPDF_GetFieldAttr(m_pDict, "RV");
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if (!pRV && (csDValue == csValue))
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return FALSE;
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if (bNotify && !NotifyBeforeValueChange(csDValue))
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return FALSE;
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if (pDV) {
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CPDF_Object* pClone = pDV->Clone();
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if (!pClone)
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return FALSE;
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m_pDict->SetAt("V", pClone);
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if (pRV) {
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CPDF_Object* pCloneR = pDV->Clone();
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m_pDict->SetAt("RV", pCloneR);
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}
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} else {
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m_pDict->RemoveAt("V");
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m_pDict->RemoveAt("RV");
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}
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if (bNotify)
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NotifyAfterValueChange();
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} break;
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}
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return TRUE;
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}
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int CPDF_FormField::GetControlIndex(const CPDF_FormControl* pControl) const {
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if (!pControl)
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return -1;
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for (int i = 0; i < m_ControlList.GetSize(); i++) {
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if (m_ControlList.GetAt(i) == pControl)
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return i;
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}
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return -1;
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}
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int CPDF_FormField::GetFieldType() const {
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switch (m_Type) {
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case PushButton:
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return FIELDTYPE_PUSHBUTTON;
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case CheckBox:
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return FIELDTYPE_CHECKBOX;
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case RadioButton:
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return FIELDTYPE_RADIOBUTTON;
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case ComboBox:
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return FIELDTYPE_COMBOBOX;
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case ListBox:
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return FIELDTYPE_LISTBOX;
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case Text:
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case RichText:
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case File:
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return FIELDTYPE_TEXTFIELD;
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case Sign:
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return FIELDTYPE_SIGNATURE;
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default:
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break;
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}
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return FIELDTYPE_UNKNOWN;
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}
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CPDF_AAction CPDF_FormField::GetAdditionalAction() const {
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CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "AA");
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return CPDF_AAction(pObj ? pObj->GetDict() : nullptr);
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}
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CFX_WideString CPDF_FormField::GetAlternateName() const {
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CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "TU");
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if (!pObj) {
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return L"";
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}
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return pObj->GetUnicodeText();
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}
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CFX_WideString CPDF_FormField::GetMappingName() const {
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CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "TM");
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if (!pObj) {
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return L"";
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}
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return pObj->GetUnicodeText();
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}
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uint32_t CPDF_FormField::GetFieldFlags() const {
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CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "Ff");
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if (!pObj) {
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return 0;
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}
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return pObj->GetInteger();
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}
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CFX_ByteString CPDF_FormField::GetDefaultStyle() const {
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CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "DS");
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if (!pObj) {
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return "";
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}
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return pObj->GetString();
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}
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CFX_WideString CPDF_FormField::GetRichTextString() const {
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CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "RV");
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if (!pObj) {
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return L"";
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}
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return pObj->GetUnicodeText();
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}
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CFX_WideString CPDF_FormField::GetValue(FX_BOOL bDefault) const {
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if (GetType() == CheckBox || GetType() == RadioButton)
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return GetCheckValue(bDefault);
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CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, bDefault ? "DV" : "V");
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if (!pValue) {
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if (!bDefault) {
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if (m_Type == RichText) {
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pValue = FPDF_GetFieldAttr(m_pDict, "V");
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}
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if (!pValue && m_Type != Text) {
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pValue = FPDF_GetFieldAttr(m_pDict, "DV");
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}
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}
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if (!pValue)
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return CFX_WideString();
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}
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switch (pValue->GetType()) {
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case CPDF_Object::STRING:
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case CPDF_Object::STREAM:
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return pValue->GetUnicodeText();
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case CPDF_Object::ARRAY:
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pValue = pValue->AsArray()->GetDirectObjectAt(0);
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if (pValue)
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return pValue->GetUnicodeText();
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break;
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default:
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break;
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}
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return CFX_WideString();
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}
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CFX_WideString CPDF_FormField::GetValue() const {
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return GetValue(FALSE);
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}
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CFX_WideString CPDF_FormField::GetDefaultValue() const {
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return GetValue(TRUE);
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}
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FX_BOOL CPDF_FormField::SetValue(const CFX_WideString& value,
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FX_BOOL bDefault,
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FX_BOOL bNotify) {
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switch (m_Type) {
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case CheckBox:
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case RadioButton: {
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SetCheckValue(value, bDefault, bNotify);
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return TRUE;
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}
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case File:
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case RichText:
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case Text:
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case ComboBox: {
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CFX_WideString csValue = value;
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if (bNotify && !NotifyBeforeValueChange(csValue))
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return FALSE;
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int iIndex = FindOptionValue(csValue);
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if (iIndex < 0) {
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CFX_ByteString bsEncodeText = PDF_EncodeText(csValue);
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m_pDict->SetAtString(bDefault ? "DV" : "V", bsEncodeText);
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if (m_Type == RichText && !bDefault)
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m_pDict->SetAtString("RV", bsEncodeText);
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m_pDict->RemoveAt("I");
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} else {
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m_pDict->SetAtString(bDefault ? "DV" : "V", PDF_EncodeText(csValue));
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if (!bDefault) {
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ClearSelection();
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SetItemSelection(iIndex, TRUE);
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}
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}
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if (bNotify)
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NotifyAfterValueChange();
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} break;
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case ListBox: {
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int iIndex = FindOptionValue(value);
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if (iIndex < 0)
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return FALSE;
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if (bDefault && iIndex == GetDefaultSelectedItem())
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return FALSE;
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if (bNotify && !NotifyBeforeSelectionChange(value))
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return FALSE;
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if (!bDefault) {
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ClearSelection();
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SetItemSelection(iIndex, TRUE);
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}
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if (bNotify)
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NotifyAfterSelectionChange();
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break;
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}
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default:
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break;
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}
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return TRUE;
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}
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FX_BOOL CPDF_FormField::SetValue(const CFX_WideString& value, FX_BOOL bNotify) {
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return SetValue(value, FALSE, bNotify);
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}
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int CPDF_FormField::GetMaxLen() const {
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if (CPDF_Object* pObj = FPDF_GetFieldAttr(m_pDict, "MaxLen"))
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return pObj->GetInteger();
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for (int i = 0; i < m_ControlList.GetSize(); i++) {
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CPDF_FormControl* pControl = m_ControlList.GetAt(i);
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if (!pControl)
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continue;
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CPDF_Dictionary* pWidgetDict = pControl->m_pWidgetDict;
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if (pWidgetDict->KeyExist("MaxLen"))
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return pWidgetDict->GetIntegerBy("MaxLen");
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}
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return 0;
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}
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int CPDF_FormField::CountSelectedItems() const {
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CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "V");
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if (!pValue) {
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pValue = FPDF_GetFieldAttr(m_pDict, "I");
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if (!pValue)
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return 0;
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}
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if (pValue->IsString() || pValue->IsNumber())
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return pValue->GetString().IsEmpty() ? 0 : 1;
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if (CPDF_Array* pArray = pValue->AsArray())
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return pArray->GetCount();
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return 0;
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}
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int CPDF_FormField::GetSelectedIndex(int index) const {
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CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "V");
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if (!pValue) {
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pValue = FPDF_GetFieldAttr(m_pDict, "I");
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if (!pValue)
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return -1;
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}
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if (pValue->IsNumber())
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return pValue->GetInteger();
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CFX_WideString sel_value;
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if (pValue->IsString()) {
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if (index != 0)
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return -1;
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sel_value = pValue->GetUnicodeText();
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} else {
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CPDF_Array* pArray = pValue->AsArray();
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if (!pArray || index < 0)
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return -1;
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CPDF_Object* elementValue = pArray->GetDirectObjectAt(index);
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sel_value =
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elementValue ? elementValue->GetUnicodeText() : CFX_WideString();
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}
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if (index < CountSelectedOptions()) {
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int iOptIndex = GetSelectedOptionIndex(index);
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CFX_WideString csOpt = GetOptionValue(iOptIndex);
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if (csOpt == sel_value) {
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return iOptIndex;
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}
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}
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for (int i = 0; i < CountOptions(); i++) {
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if (sel_value == GetOptionValue(i))
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return i;
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}
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return -1;
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}
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FX_BOOL CPDF_FormField::ClearSelection(FX_BOOL bNotify) {
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if (bNotify && m_pForm->m_pFormNotify) {
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CFX_WideString csValue;
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int iIndex = GetSelectedIndex(0);
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if (iIndex >= 0)
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csValue = GetOptionLabel(iIndex);
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if (!NotifyListOrComboBoxBeforeChange(csValue))
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return FALSE;
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}
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m_pDict->RemoveAt("V");
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m_pDict->RemoveAt("I");
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if (bNotify)
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NotifyListOrComboBoxAfterChange();
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return TRUE;
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}
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FX_BOOL CPDF_FormField::IsItemSelected(int index) const {
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ASSERT(GetType() == ComboBox || GetType() == ListBox);
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if (index < 0 || index >= CountOptions()) {
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return FALSE;
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}
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if (IsOptionSelected(index)) {
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return TRUE;
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}
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CFX_WideString opt_value = GetOptionValue(index);
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CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "V");
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if (!pValue) {
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pValue = FPDF_GetFieldAttr(m_pDict, "I");
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if (!pValue) {
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return FALSE;
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}
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}
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if (pValue->IsString())
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return pValue->GetUnicodeText() == opt_value;
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if (pValue->IsNumber()) {
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if (pValue->GetString().IsEmpty())
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return FALSE;
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return (pValue->GetInteger() == index);
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}
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CPDF_Array* pArray = pValue->AsArray();
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if (!pArray)
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return FALSE;
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int iPos = -1;
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for (int j = 0; j < CountSelectedOptions(); j++) {
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if (GetSelectedOptionIndex(j) == index) {
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iPos = j;
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break;
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}
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}
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for (int i = 0; i < static_cast<int>(pArray->GetCount()); i++)
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if (pArray->GetDirectObjectAt(i)->GetUnicodeText() == opt_value &&
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i == iPos) {
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return TRUE;
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}
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return FALSE;
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}
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FX_BOOL CPDF_FormField::SetItemSelection(int index,
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FX_BOOL bSelected,
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FX_BOOL bNotify) {
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ASSERT(GetType() == ComboBox || GetType() == ListBox);
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if (index < 0 || index >= CountOptions())
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return FALSE;
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CFX_WideString opt_value = GetOptionValue(index);
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if (bNotify && !NotifyListOrComboBoxBeforeChange(opt_value))
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return FALSE;
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if (bSelected) {
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if (GetType() == ListBox) {
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SelectOption(index, TRUE);
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if (!(m_Flags & FORMLIST_MULTISELECT)) {
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m_pDict->SetAtString("V", PDF_EncodeText(opt_value));
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} else {
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CPDF_Array* pArray = new CPDF_Array;
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for (int i = 0; i < CountOptions(); i++) {
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if (i == index || IsItemSelected(i)) {
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opt_value = GetOptionValue(i);
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pArray->AddString(PDF_EncodeText(opt_value));
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}
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}
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m_pDict->SetAt("V", pArray);
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}
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} else {
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m_pDict->SetAtString("V", PDF_EncodeText(opt_value));
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CPDF_Array* pI = new CPDF_Array;
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pI->AddInteger(index);
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m_pDict->SetAt("I", pI);
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}
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} else {
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CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "V");
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if (pValue) {
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if (GetType() == ListBox) {
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SelectOption(index, FALSE);
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if (pValue->IsString()) {
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if (pValue->GetUnicodeText() == opt_value)
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m_pDict->RemoveAt("V");
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} else if (pValue->IsArray()) {
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CPDF_Array* pArray = new CPDF_Array;
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for (int i = 0; i < CountOptions(); i++) {
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if (i != index && IsItemSelected(i)) {
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opt_value = GetOptionValue(i);
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pArray->AddString(PDF_EncodeText(opt_value));
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}
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}
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if (pArray->GetCount() < 1)
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pArray->Release();
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else
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m_pDict->SetAt("V", pArray);
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}
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} else {
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m_pDict->RemoveAt("V");
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m_pDict->RemoveAt("I");
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}
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}
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}
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if (bNotify)
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NotifyListOrComboBoxAfterChange();
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return TRUE;
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}
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FX_BOOL CPDF_FormField::IsItemDefaultSelected(int index) const {
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ASSERT(GetType() == ComboBox || GetType() == ListBox);
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if (index < 0 || index >= CountOptions())
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return FALSE;
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int iDVIndex = GetDefaultSelectedItem();
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return iDVIndex >= 0 && iDVIndex == index;
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}
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int CPDF_FormField::GetDefaultSelectedItem() const {
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ASSERT(GetType() == ComboBox || GetType() == ListBox);
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CPDF_Object* pValue = FPDF_GetFieldAttr(m_pDict, "DV");
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if (!pValue)
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return -1;
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CFX_WideString csDV = pValue->GetUnicodeText();
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if (csDV.IsEmpty())
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return -1;
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for (int i = 0; i < CountOptions(); i++) {
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if (csDV == GetOptionValue(i))
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return i;
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}
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return -1;
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}
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int CPDF_FormField::CountOptions() const {
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CPDF_Array* pArray = ToArray(FPDF_GetFieldAttr(m_pDict, "Opt"));
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return pArray ? pArray->GetCount() : 0;
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}
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CFX_WideString CPDF_FormField::GetOptionText(int index, int sub_index) const {
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CPDF_Array* pArray = ToArray(FPDF_GetFieldAttr(m_pDict, "Opt"));
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if (!pArray)
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return CFX_WideString();
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CPDF_Object* pOption = pArray->GetDirectObjectAt(index);
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if (!pOption)
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return CFX_WideString();
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if (CPDF_Array* pOptionArray = pOption->AsArray())
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pOption = pOptionArray->GetDirectObjectAt(sub_index);
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CPDF_String* pString = ToString(pOption);
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return pString ? pString->GetUnicodeText() : CFX_WideString();
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}
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CFX_WideString CPDF_FormField::GetOptionLabel(int index) const {
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return GetOptionText(index, 1);
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}
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CFX_WideString CPDF_FormField::GetOptionValue(int index) const {
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return GetOptionText(index, 0);
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}
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int CPDF_FormField::FindOption(CFX_WideString csOptLabel) const {
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for (int i = 0; i < CountOptions(); i++) {
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if (GetOptionValue(i) == csOptLabel)
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return i;
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}
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return -1;
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}
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int CPDF_FormField::FindOptionValue(const CFX_WideString& csOptValue) const {
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for (int i = 0; i < CountOptions(); i++) {
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if (GetOptionValue(i) == csOptValue)
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return i;
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}
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return -1;
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}
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#ifdef PDF_ENABLE_XFA
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int CPDF_FormField::InsertOption(CFX_WideString csOptLabel,
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int index,
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FX_BOOL bNotify) {
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if (csOptLabel.IsEmpty())
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return -1;
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if (bNotify && !NotifyListOrComboBoxBeforeChange(csOptLabel))
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return -1;
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CFX_ByteString csStr =
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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;
|
}
|
}
|
