diff options
Diffstat (limited to 'fpdfsdk/formfiller/cffl_listbox.cpp')
| -rw-r--r-- | fpdfsdk/formfiller/cffl_listbox.cpp | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/fpdfsdk/formfiller/cffl_listbox.cpp b/fpdfsdk/formfiller/cffl_listbox.cpp new file mode 100644 index 0000000000..f5c777743c --- /dev/null +++ b/fpdfsdk/formfiller/cffl_listbox.cpp @@ -0,0 +1,223 @@ +// 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/formfiller/cffl_listbox.h" + +#include "fpdfsdk/formfiller/cba_fontmap.h" +#include "fpdfsdk/formfiller/cffl_formfiller.h" +#include "fpdfsdk/formfiller/cffl_iformfiller.h" +#include "fpdfsdk/include/fsdk_common.h" +#include "fpdfsdk/include/fsdk_mgr.h" +#include "fpdfsdk/include/pdfwindow/PWL_ListBox.h" + +#define FFL_DEFAULTLISTBOXFONTSIZE 12.0f + +CFFL_ListBox::CFFL_ListBox(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pWidget) + : CFFL_FormFiller(pApp, pWidget), m_pFontMap(NULL) {} + +CFFL_ListBox::~CFFL_ListBox() { + delete m_pFontMap; +} + +PWL_CREATEPARAM CFFL_ListBox::GetCreateParam() { + PWL_CREATEPARAM cp = CFFL_FormFiller::GetCreateParam(); + + FX_DWORD dwFieldFlag = m_pWidget->GetFieldFlags(); + + if (dwFieldFlag & FIELDFLAG_MULTISELECT) { + cp.dwFlags |= PLBS_MULTIPLESEL; + } + + cp.dwFlags |= PWS_VSCROLL; + + if (cp.dwFlags & PWS_AUTOFONTSIZE) + cp.fFontSize = FFL_DEFAULTLISTBOXFONTSIZE; + + if (!m_pFontMap) + m_pFontMap = new CBA_FontMap(m_pWidget, m_pApp->GetSysHandler()); + cp.pFontMap = m_pFontMap; + + return cp; +} + +CPWL_Wnd* CFFL_ListBox::NewPDFWindow(const PWL_CREATEPARAM& cp, + CPDFSDK_PageView* pPageView) { + CPWL_ListBox* pWnd = new CPWL_ListBox(); + pWnd->AttachFFLData(this); + pWnd->Create(cp); + + CFFL_IFormFiller* pIFormFiller = m_pApp->GetIFormFiller(); + pWnd->SetFillerNotify(pIFormFiller); + + for (int32_t i = 0, sz = m_pWidget->CountOptions(); i < sz; i++) + pWnd->AddString(m_pWidget->GetOptionLabel(i).c_str()); + + if (pWnd->HasFlag(PLBS_MULTIPLESEL)) { + m_OriginSelections.clear(); + + FX_BOOL bSetCaret = FALSE; + for (int32_t i = 0, sz = m_pWidget->CountOptions(); i < sz; i++) { + if (m_pWidget->IsOptionSelected(i)) { + if (!bSetCaret) { + pWnd->SetCaret(i); + bSetCaret = TRUE; + } + pWnd->Select(i); + m_OriginSelections.insert(i); + } + } + } else { + for (int i = 0, sz = m_pWidget->CountOptions(); i < sz; i++) { + if (m_pWidget->IsOptionSelected(i)) { + pWnd->Select(i); + break; + } + } + } + + pWnd->SetTopVisibleIndex(m_pWidget->GetTopVisibleIndex()); + + return pWnd; +} + +FX_BOOL CFFL_ListBox::OnChar(CPDFSDK_Annot* pAnnot, + FX_UINT nChar, + FX_UINT nFlags) { + return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags); +} + +FX_BOOL CFFL_ListBox::IsDataChanged(CPDFSDK_PageView* pPageView) { + CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE); + if (!pListBox) + return FALSE; + + if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) { + size_t nSelCount = 0; + for (int32_t i = 0, sz = pListBox->GetCount(); i < sz; ++i) { + if (pListBox->IsItemSelected(i)) { + if (m_OriginSelections.count(i) == 0) + return TRUE; + + ++nSelCount; + } + } + + return nSelCount != m_OriginSelections.size(); + } + return pListBox->GetCurSel() != m_pWidget->GetSelectedIndex(0); +} + +void CFFL_ListBox::SaveData(CPDFSDK_PageView* pPageView) { + ASSERT(m_pWidget); + + if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE)) { + CFX_IntArray aOldSelect, aNewSelect; + + { + for (int i = 0, sz = m_pWidget->CountOptions(); i < sz; i++) { + if (m_pWidget->IsOptionSelected(i)) { + aOldSelect.Add(i); + } + } + } + + int32_t nNewTopIndex = pListBox->GetTopVisibleIndex(); + + m_pWidget->ClearSelection(FALSE); + + if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) { + for (int32_t i = 0, sz = pListBox->GetCount(); i < sz; i++) { + if (pListBox->IsItemSelected(i)) { + m_pWidget->SetOptionSelection(i, TRUE, FALSE); + aNewSelect.Add(i); + } + } + } else { + m_pWidget->SetOptionSelection(pListBox->GetCurSel(), TRUE, FALSE); + aNewSelect.Add(pListBox->GetCurSel()); + } + + m_pWidget->SetTopVisibleIndex(nNewTopIndex); + m_pWidget->ResetFieldAppearance(TRUE); + m_pWidget->UpdateField(); + SetChangeMark(); + } +} + +void CFFL_ListBox::GetActionData(CPDFSDK_PageView* pPageView, + CPDF_AAction::AActionType type, + PDFSDK_FieldAction& fa) { + switch (type) { + case CPDF_AAction::Validate: + if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) { + fa.sValue = L""; + } else { + if (CPWL_ListBox* pListBox = + (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE)) { + int32_t nCurSel = pListBox->GetCurSel(); + if (nCurSel >= 0) + fa.sValue = m_pWidget->GetOptionLabel(nCurSel); + } + } + break; + case CPDF_AAction::LoseFocus: + case CPDF_AAction::GetFocus: + if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) { + fa.sValue = L""; + } else { + int32_t nCurSel = m_pWidget->GetSelectedIndex(0); + if (nCurSel >= 0) + fa.sValue = m_pWidget->GetOptionLabel(nCurSel); + } + break; + default: + break; + } +} + +void CFFL_ListBox::SetActionData(CPDFSDK_PageView* pPageView, + CPDF_AAction::AActionType type, + const PDFSDK_FieldAction& fa) {} + +void CFFL_ListBox::SaveState(CPDFSDK_PageView* pPageView) { + ASSERT(pPageView); + + if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE)) { + for (int32_t i = 0, sz = pListBox->GetCount(); i < sz; i++) { + if (pListBox->IsItemSelected(i)) { + m_State.Add(i); + } + } + } +} + +void CFFL_ListBox::RestoreState(CPDFSDK_PageView* pPageView) { + if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE)) { + for (int i = 0, sz = m_State.GetSize(); i < sz; i++) + pListBox->Select(m_State[i]); + } +} + +CPWL_Wnd* CFFL_ListBox::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; +} |