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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 "fpdfsdk/include/formfiller/FFL_ComboBox.h"
#include "fpdfsdk/include/formfiller/FFL_CBA_Fontmap.h"
#include "fpdfsdk/include/formfiller/FFL_FormFiller.h"
#include "fpdfsdk/include/formfiller/FFL_IFormFiller.h"
#include "fpdfsdk/include/fsdk_common.h"
#include "fpdfsdk/include/fsdk_mgr.h"
#include "fpdfsdk/include/pdfwindow/PWL_ComboBox.h"
CFFL_ComboBox::CFFL_ComboBox(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pAnnot)
: CFFL_FormFiller(pApp, pAnnot), m_pFontMap(NULL) {
m_State.nIndex = 0;
m_State.nStart = 0;
m_State.nEnd = 0;
}
CFFL_ComboBox::~CFFL_ComboBox() {
delete m_pFontMap;
}
PWL_CREATEPARAM CFFL_ComboBox::GetCreateParam() {
PWL_CREATEPARAM cp = CFFL_FormFiller::GetCreateParam();
int nFlags = m_pWidget->GetFieldFlags();
if (nFlags & FIELDFLAG_EDIT) {
cp.dwFlags |= PCBS_ALLOWCUSTOMTEXT;
}
if (!m_pFontMap)
m_pFontMap = new CBA_FontMap(m_pWidget, GetSystemHandler());
cp.pFontMap = m_pFontMap;
cp.pFocusHandler = this;
return cp;
}
CPWL_Wnd* CFFL_ComboBox::NewPDFWindow(const PWL_CREATEPARAM& cp,
CPDFSDK_PageView* pPageView) {
CPWL_ComboBox* pWnd = new CPWL_ComboBox();
pWnd->AttachFFLData(this);
pWnd->Create(cp);
CFFL_IFormFiller* pFormFiller = m_pApp->GetIFormFiller();
pWnd->SetFillerNotify(pFormFiller);
int32_t nCurSel = m_pWidget->GetSelectedIndex(0);
CFX_WideString swText;
if (nCurSel < 0)
swText = m_pWidget->GetValue();
else
swText = m_pWidget->GetOptionLabel(nCurSel);
for (int32_t i = 0, sz = m_pWidget->CountOptions(); i < sz; i++) {
pWnd->AddString(m_pWidget->GetOptionLabel(i).c_str());
}
pWnd->SetSelect(nCurSel);
pWnd->SetText(swText.c_str());
return pWnd;
}
FX_BOOL CFFL_ComboBox::OnChar(CPDFSDK_Annot* pAnnot,
FX_UINT nChar,
FX_UINT nFlags) {
return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
}
FX_BOOL CFFL_ComboBox::IsDataChanged(CPDFSDK_PageView* pPageView) {
CPWL_ComboBox* pWnd = (CPWL_ComboBox*)GetPDFWindow(pPageView, FALSE);
if (!pWnd)
return FALSE;
int32_t nCurSel = pWnd->GetSelect();
if (!(m_pWidget->GetFieldFlags() & FIELDFLAG_EDIT))
return nCurSel != m_pWidget->GetSelectedIndex(0);
if (nCurSel >= 0)
return nCurSel != m_pWidget->GetSelectedIndex(0);
return pWnd->GetText() != m_pWidget->GetValue();
}
void CFFL_ComboBox::SaveData(CPDFSDK_PageView* pPageView) {
CPWL_ComboBox* pWnd =
static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE));
if (!pWnd)
return;
CFX_WideString swText = pWnd->GetText();
int32_t nCurSel = pWnd->GetSelect();
bool bSetValue = false;
if (m_pWidget->GetFieldFlags() & FIELDFLAG_EDIT)
bSetValue = (nCurSel < 0) || (swText != m_pWidget->GetOptionLabel(nCurSel));
if (bSetValue) {
m_pWidget->SetValue(swText, FALSE);
} else {
m_pWidget->GetSelectedIndex(0);
m_pWidget->SetOptionSelection(nCurSel, TRUE, FALSE);
}
m_pWidget->ResetFieldAppearance(TRUE);
m_pWidget->UpdateField();
SetChangeMark();
m_pWidget->GetPDFPage();
}
void CFFL_ComboBox::GetActionData(CPDFSDK_PageView* pPageView,
CPDF_AAction::AActionType type,
PDFSDK_FieldAction& fa) {
switch (type) {
case CPDF_AAction::KeyStroke:
if (CPWL_ComboBox* pComboBox =
static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) {
if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
fa.bFieldFull = pEdit->IsTextFull();
int nSelStart = 0;
int nSelEnd = 0;
pEdit->GetSel(nSelStart, nSelEnd);
fa.nSelEnd = nSelEnd;
fa.nSelStart = nSelStart;
fa.sValue = pEdit->GetText();
fa.sChangeEx = GetSelectExportText();
if (fa.bFieldFull) {
fa.sChange = L"";
fa.sChangeEx = L"";
}
}
}
break;
case CPDF_AAction::Validate:
if (CPWL_ComboBox* pComboBox =
static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) {
if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
fa.sValue = pEdit->GetText();
}
}
break;
case CPDF_AAction::LoseFocus:
case CPDF_AAction::GetFocus:
fa.sValue = m_pWidget->GetValue();
break;
default:
break;
}
}
void CFFL_ComboBox::SetActionData(CPDFSDK_PageView* pPageView,
CPDF_AAction::AActionType type,
const PDFSDK_FieldAction& fa) {
switch (type) {
case CPDF_AAction::KeyStroke:
if (CPWL_ComboBox* pComboBox =
static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) {
if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
pEdit->SetSel(fa.nSelStart, fa.nSelEnd);
pEdit->ReplaceSel(fa.sChange.c_str());
}
}
break;
default:
break;
}
}
FX_BOOL CFFL_ComboBox::IsActionDataChanged(CPDF_AAction::AActionType type,
const PDFSDK_FieldAction& faOld,
const PDFSDK_FieldAction& faNew) {
switch (type) {
case CPDF_AAction::KeyStroke:
return (!faOld.bFieldFull && faOld.nSelEnd != faNew.nSelEnd) ||
faOld.nSelStart != faNew.nSelStart ||
faOld.sChange != faNew.sChange;
default:
break;
}
return FALSE;
}
void CFFL_ComboBox::SaveState(CPDFSDK_PageView* pPageView) {
ASSERT(pPageView);
if (CPWL_ComboBox* pComboBox =
static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) {
m_State.nIndex = pComboBox->GetSelect();
if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
pEdit->GetSel(m_State.nStart, m_State.nEnd);
m_State.sValue = pEdit->GetText();
}
}
}
void CFFL_ComboBox::RestoreState(CPDFSDK_PageView* pPageView) {
ASSERT(pPageView);
if (CPWL_ComboBox* pComboBox =
static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, TRUE))) {
if (m_State.nIndex >= 0) {
pComboBox->SetSelect(m_State.nIndex);
} else {
if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
pEdit->SetText(m_State.sValue.c_str());
pEdit->SetSel(m_State.nStart, m_State.nEnd);
}
}
}
}
CPWL_Wnd* CFFL_ComboBox::ResetPDFWindow(CPDFSDK_PageView* pPageView,
FX_BOOL bRestoreValue) {
if (bRestoreValue)
SaveState(pPageView);
DestroyPDFWindow(pPageView);
CPWL_Wnd* pRet = NULL;
if (bRestoreValue) {
RestoreState(pPageView);
pRet = GetPDFWindow(pPageView, FALSE);
} else {
pRet = GetPDFWindow(pPageView, TRUE);
}
m_pWidget->UpdateField();
return pRet;
}
void CFFL_ComboBox::OnSetFocus(CPWL_Wnd* pWnd) {
ASSERT(m_pApp);
if (pWnd->GetClassName() == PWL_CLASSNAME_EDIT) {
CPWL_Edit* pEdit = (CPWL_Edit*)pWnd;
pEdit->SetCharSet(134);
pEdit->SetCodePage(936);
pEdit->SetReadyToInput();
CFX_WideString wsText = pEdit->GetText();
int nCharacters = wsText.GetLength();
CFX_ByteString bsUTFText = wsText.UTF16LE_Encode();
unsigned short* pBuffer = (unsigned short*)bsUTFText.c_str();
m_pApp->FFI_OnSetFieldInputFocus(m_pWidget->GetFormField(), pBuffer,
nCharacters, TRUE);
pEdit->SetEditNotify(this);
}
}
void CFFL_ComboBox::OnKillFocus(CPWL_Wnd* pWnd) {
ASSERT(m_pApp);
}
void CFFL_ComboBox::OnAddUndo(CPWL_Edit* pEdit) {
ASSERT(pEdit);
}
CFX_WideString CFFL_ComboBox::GetSelectExportText() {
CFX_WideString swRet;
int nExport = -1;
CPDFSDK_PageView* pPageView = GetCurPageView();
if (CPWL_ComboBox* pComboBox =
(CPWL_ComboBox*)GetPDFWindow(pPageView, FALSE)) {
nExport = pComboBox->GetSelect();
}
if (nExport >= 0) {
if (CPDF_FormField* pFormField = m_pWidget->GetFormField()) {
swRet = pFormField->GetOptionValue(nExport);
if (swRet.IsEmpty())
swRet = pFormField->GetOptionLabel(nExport);
}
}
return swRet;
}
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