// 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_listbox.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_ListBox.h"
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#define FFL_DEFAULTLISTBOXFONTSIZE 12.0f
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CFFL_ListBox::CFFL_ListBox(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pWidget)
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: CFFL_FormFiller(pApp, pWidget), m_pFontMap(nullptr) {}
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CFFL_ListBox::~CFFL_ListBox() {
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delete m_pFontMap;
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}
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PWL_CREATEPARAM CFFL_ListBox::GetCreateParam() {
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PWL_CREATEPARAM cp = CFFL_FormFiller::GetCreateParam();
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uint32_t dwFieldFlag = m_pWidget->GetFieldFlags();
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if (dwFieldFlag & FIELDFLAG_MULTISELECT) {
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cp.dwFlags |= PLBS_MULTIPLESEL;
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}
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cp.dwFlags |= PWS_VSCROLL;
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if (cp.dwFlags & PWS_AUTOFONTSIZE)
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cp.fFontSize = FFL_DEFAULTLISTBOXFONTSIZE;
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if (!m_pFontMap)
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m_pFontMap = new CBA_FontMap(m_pWidget, m_pApp->GetSysHandler());
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cp.pFontMap = m_pFontMap;
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return cp;
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}
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CPWL_Wnd* CFFL_ListBox::NewPDFWindow(const PWL_CREATEPARAM& cp,
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CPDFSDK_PageView* pPageView) {
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CPWL_ListBox* pWnd = new CPWL_ListBox();
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pWnd->AttachFFLData(this);
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pWnd->Create(cp);
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CFFL_IFormFiller* pIFormFiller = m_pApp->GetIFormFiller();
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pWnd->SetFillerNotify(pIFormFiller);
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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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if (pWnd->HasFlag(PLBS_MULTIPLESEL)) {
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m_OriginSelections.clear();
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FX_BOOL bSetCaret = FALSE;
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for (int32_t i = 0, sz = m_pWidget->CountOptions(); i < sz; i++) {
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if (m_pWidget->IsOptionSelected(i)) {
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if (!bSetCaret) {
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pWnd->SetCaret(i);
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bSetCaret = TRUE;
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}
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pWnd->Select(i);
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m_OriginSelections.insert(i);
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}
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}
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} else {
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for (int i = 0, sz = m_pWidget->CountOptions(); i < sz; i++) {
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if (m_pWidget->IsOptionSelected(i)) {
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pWnd->Select(i);
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break;
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}
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}
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}
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pWnd->SetTopVisibleIndex(m_pWidget->GetTopVisibleIndex());
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return pWnd;
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}
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FX_BOOL CFFL_ListBox::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_ListBox::IsDataChanged(CPDFSDK_PageView* pPageView) {
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CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE);
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if (!pListBox)
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return FALSE;
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if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) {
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size_t nSelCount = 0;
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for (int32_t i = 0, sz = pListBox->GetCount(); i < sz; ++i) {
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if (pListBox->IsItemSelected(i)) {
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if (m_OriginSelections.count(i) == 0)
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return TRUE;
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++nSelCount;
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}
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}
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return nSelCount != m_OriginSelections.size();
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}
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return pListBox->GetCurSel() != m_pWidget->GetSelectedIndex(0);
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}
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void CFFL_ListBox::SaveData(CPDFSDK_PageView* pPageView) {
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CPWL_ListBox* pListBox =
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static_cast<CPWL_ListBox*>(GetPDFWindow(pPageView, FALSE));
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if (!pListBox)
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return;
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int32_t nNewTopIndex = pListBox->GetTopVisibleIndex();
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m_pWidget->ClearSelection(FALSE);
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if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) {
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for (int32_t i = 0, sz = pListBox->GetCount(); i < sz; i++) {
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if (pListBox->IsItemSelected(i))
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m_pWidget->SetOptionSelection(i, TRUE, FALSE);
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}
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} else {
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m_pWidget->SetOptionSelection(pListBox->GetCurSel(), TRUE, FALSE);
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}
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m_pWidget->SetTopVisibleIndex(nNewTopIndex);
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m_pWidget->ResetFieldAppearance(TRUE);
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m_pWidget->UpdateField();
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SetChangeMark();
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}
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void CFFL_ListBox::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::Validate:
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if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) {
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fa.sValue = L"";
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} else {
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if (CPWL_ListBox* pListBox =
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(CPWL_ListBox*)GetPDFWindow(pPageView, FALSE)) {
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int32_t nCurSel = pListBox->GetCurSel();
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if (nCurSel >= 0)
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fa.sValue = m_pWidget->GetOptionLabel(nCurSel);
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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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if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) {
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fa.sValue = L"";
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} else {
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int32_t nCurSel = m_pWidget->GetSelectedIndex(0);
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if (nCurSel >= 0)
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fa.sValue = m_pWidget->GetOptionLabel(nCurSel);
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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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void CFFL_ListBox::SetActionData(CPDFSDK_PageView* pPageView,
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CPDF_AAction::AActionType type,
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const PDFSDK_FieldAction& fa) {}
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void CFFL_ListBox::SaveState(CPDFSDK_PageView* pPageView) {
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ASSERT(pPageView);
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if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE)) {
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for (int32_t i = 0, sz = pListBox->GetCount(); i < sz; i++) {
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if (pListBox->IsItemSelected(i)) {
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m_State.Add(i);
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}
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}
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}
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}
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void CFFL_ListBox::RestoreState(CPDFSDK_PageView* pPageView) {
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if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE)) {
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for (int i = 0, sz = m_State.GetSize(); i < sz; i++)
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pListBox->Select(m_State[i]);
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}
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}
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CPWL_Wnd* CFFL_ListBox::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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