formula/source/ui/dlg/structpg.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   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  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <svl/zforlist.hxx>
  21 #include <svl/stritem.hxx>
  22 #include <vcl/svapp.hxx>
  23
  24 #include "structpg.hxx"
  25 #include <formula/formdata.hxx>
  26 #include <formula/formula.hxx>
  27 #include <formula/IFunctionDescription.hxx>
  28 #include <formula/token.hxx>
  29 #include <bitmaps.hlst>
  30
  31 namespace formula
  32 {
  33
  34 void StructPage::SetActiveFlag(bool bFlag)
  35 {
  36     bActiveFlag = bFlag;
  37 }
  38
  39 StructPage::StructPage(weld::Container* pParent)
  40     : m_xBuilder(Application::CreateBuilder(pParent, "formula/ui/structpage.ui"))
  41     , m_xContainer(m_xBuilder->weld_container("StructPage"))
  42     , m_xTlbStruct(m_xBuilder->weld_tree_view("struct"))
  43     , maImgEnd(BMP_STR_END)
  44     , maImgError(BMP_STR_ERROR)
  45     , pSelectedToken(nullptr)
  46     , bActiveFlag(false)
  47 {
  48     m_xTlbStruct->set_size_request(m_xTlbStruct->get_approximate_digit_width() * 20,
  49                                    m_xTlbStruct->get_height_rows(17));
  50
  51     m_xTlbStruct->connect_changed(LINK( this, StructPage, SelectHdl ) );
  52 }
  53
  54 StructPage::~StructPage()
  55 {
  56 }
  57
  58 void StructPage::ClearStruct()
  59 {
  60     SetActiveFlag(false);
  61     m_xTlbStruct->clear();
  62 }
  63
  64 bool StructPage::InsertEntry(const OUString& rText, const weld::TreeIter* pParent,
  65                              sal_uInt16 nFlag, int nPos,
  66                              const FormulaToken* pIFormulaToken,
  67                              weld::TreeIter& rRet)
  68 {
  69     SetActiveFlag(false);
  70
  71     OUString sId(OUString::number(reinterpret_cast<sal_Int64>(pIFormulaToken)));
  72
  73     bool bEntry = false;
  74     switch (nFlag)
  75     {
  76         case STRUCT_FOLDER:
  77             m_xTlbStruct->insert(pParent, nPos, &rText, &sId, nullptr, nullptr,
  78                                  nullptr, false, &rRet);
  79             m_xTlbStruct->set_image(rRet, BMP_STR_OPEN);
  80             bEntry = true;
  81             break;
  82         case STRUCT_END:
  83             m_xTlbStruct->insert(pParent, nPos, &rText, &sId, nullptr, nullptr,
  84                                  nullptr, false, &rRet);
  85             m_xTlbStruct->set_image(rRet, maImgEnd);
  86             bEntry = true;
  87             break;
  88         case STRUCT_ERROR:
  89             m_xTlbStruct->insert(pParent, nPos, &rText, &sId, nullptr, nullptr,
  90                                  nullptr, false, &rRet);
  91             m_xTlbStruct->set_image(rRet, maImgError);
  92             bEntry = true;
  93             break;
  94     }
  95
  96     if (bEntry && pParent)
  97         m_xTlbStruct->expand_row(*pParent);
  98     return bEntry;
  99 }
 100
 101 OUString StructPage::GetEntryText(const weld::TreeIter* pEntry) const
 102 {
 103     OUString aString;
 104     if (pEntry)
 105         aString = m_xTlbStruct->get_text(*pEntry);
 106     return aString;
 107 }
 108
 109 const FormulaToken* StructPage::GetFunctionEntry(const weld::TreeIter* pEntry)
 110 {
 111     if (pEntry)
 112     {
 113         const FormulaToken * pToken = reinterpret_cast<const FormulaToken *>(m_xTlbStruct->get_id(*pEntry).toInt64());
 114         if (pToken)
 115         {
 116             if ( !(pToken->IsFunction() || pToken->GetParamCount() > 1 ) )
 117             {
 118                 std::unique_ptr<weld::TreeIter> xParent(m_xTlbStruct->make_iterator(pEntry));
 119                 if (!m_xTlbStruct->iter_parent(*xParent))
 120                     return nullptr;
 121                 return GetFunctionEntry(xParent.get());
 122             }
 123             else
 124             {
 125                 return pToken;
 126             }
 127         }
 128     }
 129     return nullptr;
 130 }
 131
 132 IMPL_LINK(StructPage, SelectHdl, weld::TreeView&, rTlb, void)
 133 {
 134     if (GetActiveFlag())
 135     {
 136         if (&rTlb == m_xTlbStruct.get())
 137         {
 138             std::unique_ptr<weld::TreeIter> xCurEntry(m_xTlbStruct->make_iterator());
 139             if (m_xTlbStruct->get_cursor(xCurEntry.get()))
 140             {
 141                 pSelectedToken = reinterpret_cast<const FormulaToken *>(m_xTlbStruct->get_id(*xCurEntry).toInt64());
 142                 if (pSelectedToken)
 143                 {
 144                     if ( !(pSelectedToken->IsFunction() || pSelectedToken->GetParamCount() > 1) )
 145                     {
 146                         pSelectedToken = GetFunctionEntry(xCurEntry.get());
 147                     }
 148                 }
 149             }
 150         }
 151
 152         aSelLink.Call(*this);
 153     }
 154 }
 155
 156 } // formula
 157
 158 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */