// 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 "fpdfsdk/formfiller/cffl_combobox.h"
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#include "fpdfsdk/formfiller/cba_fontmap.h"
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#include "fpdfsdk/formfiller/cffl_formfiller.h"
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#include "fpdfsdk/formfiller/cffl_iformfiller.h"
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#include "fpdfsdk/include/fsdk_common.h"
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#include "fpdfsdk/include/fsdk_mgr.h"
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#include "fpdfsdk/pdfwindow/PWL_ComboBox.h"
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CFFL_ComboBox::CFFL_ComboBox(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pAnnot)
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: CFFL_FormFiller(pApp, pAnnot), m_pFontMap(nullptr) {
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m_State.nIndex = 0;
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m_State.nStart = 0;
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m_State.nEnd = 0;
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}
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CFFL_ComboBox::~CFFL_ComboBox() {
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for (const auto& it : m_Maps)
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it.second->InvalidateFocusHandler(this);
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delete m_pFontMap;
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}
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PWL_CREATEPARAM CFFL_ComboBox::GetCreateParam() {
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PWL_CREATEPARAM cp = CFFL_FormFiller::GetCreateParam();
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int nFlags = m_pWidget->GetFieldFlags();
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if (nFlags & FIELDFLAG_EDIT) {
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cp.dwFlags |= PCBS_ALLOWCUSTOMTEXT;
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}
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if (!m_pFontMap)
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m_pFontMap = new CBA_FontMap(m_pWidget, GetSystemHandler());
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cp.pFontMap = m_pFontMap;
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cp.pFocusHandler = this;
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return cp;
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}
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CPWL_Wnd* CFFL_ComboBox::NewPDFWindow(const PWL_CREATEPARAM& cp,
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CPDFSDK_PageView* pPageView) {
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CPWL_ComboBox* pWnd = new CPWL_ComboBox();
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pWnd->AttachFFLData(this);
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pWnd->Create(cp);
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CFFL_IFormFiller* pFormFiller = m_pApp->GetIFormFiller();
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pWnd->SetFillerNotify(pFormFiller);
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int32_t nCurSel = m_pWidget->GetSelectedIndex(0);
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CFX_WideString swText;
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if (nCurSel < 0)
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swText = m_pWidget->GetValue();
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else
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swText = m_pWidget->GetOptionLabel(nCurSel);
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for (int32_t i = 0, sz = m_pWidget->CountOptions(); i < sz; i++) {
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pWnd->AddString(m_pWidget->GetOptionLabel(i).c_str());
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}
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pWnd->SetSelect(nCurSel);
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pWnd->SetText(swText.c_str());
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return pWnd;
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}
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FX_BOOL CFFL_ComboBox::OnChar(CPDFSDK_Annot* pAnnot,
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FX_UINT nChar,
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FX_UINT nFlags) {
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return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
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}
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FX_BOOL CFFL_ComboBox::IsDataChanged(CPDFSDK_PageView* pPageView) {
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CPWL_ComboBox* pWnd = (CPWL_ComboBox*)GetPDFWindow(pPageView, FALSE);
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if (!pWnd)
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return FALSE;
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int32_t nCurSel = pWnd->GetSelect();
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if (!(m_pWidget->GetFieldFlags() & FIELDFLAG_EDIT))
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return nCurSel != m_pWidget->GetSelectedIndex(0);
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if (nCurSel >= 0)
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return nCurSel != m_pWidget->GetSelectedIndex(0);
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return pWnd->GetText() != m_pWidget->GetValue();
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}
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void CFFL_ComboBox::SaveData(CPDFSDK_PageView* pPageView) {
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CPWL_ComboBox* pWnd =
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static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE));
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if (!pWnd)
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return;
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CFX_WideString swText = pWnd->GetText();
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int32_t nCurSel = pWnd->GetSelect();
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bool bSetValue = false;
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if (m_pWidget->GetFieldFlags() & FIELDFLAG_EDIT)
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bSetValue = (nCurSel < 0) || (swText != m_pWidget->GetOptionLabel(nCurSel));
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if (bSetValue) {
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m_pWidget->SetValue(swText, FALSE);
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} else {
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m_pWidget->GetSelectedIndex(0);
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m_pWidget->SetOptionSelection(nCurSel, TRUE, FALSE);
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}
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m_pWidget->ResetFieldAppearance(TRUE);
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m_pWidget->UpdateField();
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SetChangeMark();
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m_pWidget->GetPDFPage();
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}
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void CFFL_ComboBox::GetActionData(CPDFSDK_PageView* pPageView,
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CPDF_AAction::AActionType type,
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PDFSDK_FieldAction& fa) {
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switch (type) {
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case CPDF_AAction::KeyStroke:
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if (CPWL_ComboBox* pComboBox =
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static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) {
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if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
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fa.bFieldFull = pEdit->IsTextFull();
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int nSelStart = 0;
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int nSelEnd = 0;
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pEdit->GetSel(nSelStart, nSelEnd);
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fa.nSelEnd = nSelEnd;
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fa.nSelStart = nSelStart;
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fa.sValue = pEdit->GetText();
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fa.sChangeEx = GetSelectExportText();
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if (fa.bFieldFull) {
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fa.sChange = L"";
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fa.sChangeEx = L"";
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}
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}
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}
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break;
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case CPDF_AAction::Validate:
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if (CPWL_ComboBox* pComboBox =
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static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) {
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if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
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fa.sValue = pEdit->GetText();
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}
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}
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break;
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case CPDF_AAction::LoseFocus:
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case CPDF_AAction::GetFocus:
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fa.sValue = m_pWidget->GetValue();
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break;
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default:
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break;
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}
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}
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void CFFL_ComboBox::SetActionData(CPDFSDK_PageView* pPageView,
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CPDF_AAction::AActionType type,
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const PDFSDK_FieldAction& fa) {
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switch (type) {
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case CPDF_AAction::KeyStroke:
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if (CPWL_ComboBox* pComboBox =
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static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) {
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if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
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pEdit->SetSel(fa.nSelStart, fa.nSelEnd);
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pEdit->ReplaceSel(fa.sChange.c_str());
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}
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}
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break;
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default:
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break;
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}
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}
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FX_BOOL CFFL_ComboBox::IsActionDataChanged(CPDF_AAction::AActionType type,
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const PDFSDK_FieldAction& faOld,
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const PDFSDK_FieldAction& faNew) {
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switch (type) {
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case CPDF_AAction::KeyStroke:
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return (!faOld.bFieldFull && faOld.nSelEnd != faNew.nSelEnd) ||
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faOld.nSelStart != faNew.nSelStart ||
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faOld.sChange != faNew.sChange;
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default:
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break;
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}
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return FALSE;
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}
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void CFFL_ComboBox::SaveState(CPDFSDK_PageView* pPageView) {
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ASSERT(pPageView);
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if (CPWL_ComboBox* pComboBox =
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static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) {
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m_State.nIndex = pComboBox->GetSelect();
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if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
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pEdit->GetSel(m_State.nStart, m_State.nEnd);
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m_State.sValue = pEdit->GetText();
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}
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}
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}
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void CFFL_ComboBox::RestoreState(CPDFSDK_PageView* pPageView) {
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ASSERT(pPageView);
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if (CPWL_ComboBox* pComboBox =
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static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, TRUE))) {
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if (m_State.nIndex >= 0) {
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pComboBox->SetSelect(m_State.nIndex);
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} else {
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if (CPWL_Edit* pEdit = pComboBox->GetEdit()) {
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pEdit->SetText(m_State.sValue.c_str());
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pEdit->SetSel(m_State.nStart, m_State.nEnd);
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}
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}
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}
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}
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CPWL_Wnd* CFFL_ComboBox::ResetPDFWindow(CPDFSDK_PageView* pPageView,
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FX_BOOL bRestoreValue) {
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if (bRestoreValue)
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SaveState(pPageView);
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DestroyPDFWindow(pPageView);
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CPWL_Wnd* pRet = nullptr;
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if (bRestoreValue) {
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RestoreState(pPageView);
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pRet = GetPDFWindow(pPageView, FALSE);
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} else {
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pRet = GetPDFWindow(pPageView, TRUE);
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}
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m_pWidget->UpdateField();
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return pRet;
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}
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#ifdef PDF_ENABLE_XFA
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FX_BOOL CFFL_ComboBox::IsFieldFull(CPDFSDK_PageView* pPageView) {
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if (CPWL_ComboBox* pComboBox =
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static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) {
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if (CPWL_Edit* pEdit = pComboBox->GetEdit())
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return pEdit->IsTextFull();
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}
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return FALSE;
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}
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#endif // PDF_ENABLE_XFA
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void CFFL_ComboBox::OnSetFocus(CPWL_Wnd* pWnd) {
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ASSERT(m_pApp);
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if (pWnd->GetClassName() == PWL_CLASSNAME_EDIT) {
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CPWL_Edit* pEdit = (CPWL_Edit*)pWnd;
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pEdit->SetCharSet(FXFONT_GB2312_CHARSET);
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pEdit->SetCodePage(936);
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pEdit->SetReadyToInput();
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CFX_WideString wsText = pEdit->GetText();
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int nCharacters = wsText.GetLength();
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CFX_ByteString bsUTFText = wsText.UTF16LE_Encode();
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unsigned short* pBuffer = (unsigned short*)bsUTFText.c_str();
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m_pApp->FFI_OnSetFieldInputFocus(m_pWidget->GetFormField(), pBuffer,
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nCharacters, TRUE);
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}
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}
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CFX_WideString CFFL_ComboBox::GetSelectExportText() {
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CFX_WideString swRet;
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int nExport = -1;
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CPDFSDK_PageView* pPageView = GetCurPageView();
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if (CPWL_ComboBox* pComboBox =
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(CPWL_ComboBox*)GetPDFWindow(pPageView, FALSE)) {
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nExport = pComboBox->GetSelect();
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}
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if (nExport >= 0) {
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if (CPDF_FormField* pFormField = m_pWidget->GetFormField()) {
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swRet = pFormField->GetOptionValue(nExport);
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if (swRet.IsEmpty())
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swRet = pFormField->GetOptionLabel(nExport);
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}
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}
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return swRet;
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}
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