sw/source/core/crsr/DropDownFormFieldButton.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <DropDownFormFieldButton.hxx>
  11 #include <edtwin.hxx>
  12 #include <bookmark.hxx>
  13 #include <vcl/settings.hxx>
  14 #include <vcl/svapp.hxx>
  15 #include <xmloff/odffields.hxx>
  16 #include <IMark.hxx>
  17 #include <view.hxx>
  18 #include <docsh.hxx>
  19 #include <strings.hrc>
  20
  21 /**
  22  * Popup dialog for drop-down form field showing the list items of the field.
  23  * The user can select the item using this popup while filling in a form.
  24  */
  25
  26 void DropDownFormFieldButton::InitDropdown()
  27 {
  28     const sw::mark::IFieldmark::parameter_map_t* const pParameters = m_rFieldmark.GetParameters();
  29
  30     sw::mark::IFieldmark::parameter_map_t::const_iterator pListEntries
  31         = pParameters->find(ODF_FORMDROPDOWN_LISTENTRY);
  32     css::uno::Sequence<OUString> vListEntries;
  33     if (pListEntries != pParameters->end())
  34     {
  35         pListEntries->second >>= vListEntries;
  36         for (OUString const& i : std::as_const(vListEntries))
  37             m_xTreeView->append_text(i);
  38     }
  39
  40     if (!vListEntries.hasElements())
  41     {
  42         m_xTreeView->append_text(SwResId(STR_DROP_DOWN_EMPTY_LIST));
  43     }
  44
  45     // Select the current one
  46     sw::mark::IFieldmark::parameter_map_t::const_iterator pResult
  47         = pParameters->find(ODF_FORMDROPDOWN_RESULT);
  48     if (pResult != pParameters->end())
  49     {
  50         sal_Int32 nSelection = -1;
  51         pResult->second >>= nSelection;
  52         m_xTreeView->set_cursor(nSelection);
  53         m_xTreeView->select(nSelection);
  54     }
  55
  56     auto nHeight = m_xTreeView->get_height_rows(
  57         std::min<int>(Application::GetSettings().GetStyleSettings().GetListBoxMaximumLineCount(),
  58                       m_xTreeView->n_children()));
  59     m_xTreeView->set_size_request(-1, nHeight);
  60     Size lbSize(m_xTreeView->get_preferred_size());
  61     lbSize.AdjustWidth(4);
  62     lbSize.AdjustHeight(4);
  63     auto nMinListWidth = GetSizePixel().Width();
  64     lbSize.setWidth(std::max(lbSize.Width(), nMinListWidth));
  65     m_xTreeView->set_size_request(lbSize.Width(), lbSize.Height());
  66 }
  67
  68 IMPL_LINK(DropDownFormFieldButton, MyListBoxHandler, weld::TreeView&, rBox, bool)
  69 {
  70     OUString sSelection = rBox.get_selected_text();
  71     if (sSelection == SwResId(STR_DROP_DOWN_EMPTY_LIST))
  72     {
  73         m_xFieldPopup->popdown();
  74         return true;
  75     }
  76
  77     sal_Int32 nSelection = rBox.get_selected_index();
  78     if (nSelection >= 0)
  79     {
  80         (*m_rFieldmark.GetParameters())[ODF_FORMDROPDOWN_RESULT] <<= nSelection;
  81         m_rFieldmark.Invalidate();
  82         SwView& rView = static_cast<SwEditWin*>(GetParent())->GetView();
  83         rView.GetDocShell()->SetModified();
  84     }
  85
  86     m_xFieldPopup->popdown();
  87
  88     return true;
  89 }
  90
  91 DropDownFormFieldButton::DropDownFormFieldButton(SwEditWin* pEditWin,
  92                                                  sw::mark::DropDownFieldmark& rFieldmark)
  93     : FormFieldButton(pEditWin, rFieldmark)
  94 {
  95 }
  96
  97 DropDownFormFieldButton::~DropDownFormFieldButton() { disposeOnce(); }
  98
  99 void DropDownFormFieldButton::LaunchPopup()
 100 {
 101     m_xFieldPopupBuilder
 102         = Application::CreateBuilder(GetFrameWeld(), "modules/swriter/ui/formdropdown.ui");
 103     m_xFieldPopup = m_xFieldPopupBuilder->weld_popover("FormDropDown");
 104     m_xTreeView = m_xFieldPopupBuilder->weld_tree_view("list");
 105     InitDropdown();
 106     m_xTreeView->connect_row_activated(LINK(this, DropDownFormFieldButton, MyListBoxHandler));
 107     FormFieldButton::LaunchPopup();
 108     m_xTreeView->grab_focus();
 109 }
 110
 111 void DropDownFormFieldButton::DestroyPopup()
 112 {
 113     m_xTreeView.reset();
 114     FormFieldButton::DestroyPopup();
 115 }
 116
 117 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */