1 files changed, 430 insertions, 0 deletions
diff --git a/dbaccess/source/ui/dlg/dbfindex.cxx b/dbaccess/source/ui/dlg/dbfindex.cxx
new file mode 100644
index 000000000..89f74ab72
--- /dev/null
+++ b/dbaccess/source/ui/dlg/dbfindex.cxx
@@ -0,0 +1,430 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "dbfindex.hxx"
+#include <comphelper/processfactory.hxx>
+#include <osl/file.hxx>
+#include <osl/thread.hxx>
+#include <tools/config.hxx>
+#include <osl/diagnose.h>
+#include <unotools/localfilehelper.hxx>
+#include <tools/urlobj.hxx>
+#include <unotools/pathoptions.hxx>
+#include <ucbhelper/content.hxx>
+#include <svl/filenotation.hxx>
+#include <rtl/strbuf.hxx>
+
+namespace dbaui
+{
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::ucb;
+using namespace ::svt;
+
+constexpr OStringLiteral aGroupIdent("dBase III");
+
+
+ODbaseIndexDialog::ODbaseIndexDialog(weld::Window * pParent, const OUString& aDataSrcName)
+    : GenericDialogController(pParent, "dbaccess/ui/dbaseindexdialog.ui", "DBaseIndexDialog")
+    , m_aDSN(aDataSrcName)
+    , m_xPB_OK(m_xBuilder->weld_button("ok"))
+    , m_xCB_Tables(m_xBuilder->weld_combo_box("table"))
+    , m_xIndexes(m_xBuilder->weld_widget("frame"))
+    , m_xLB_TableIndexes(m_xBuilder->weld_tree_view("tableindex"))
+    , m_xLB_FreeIndexes(m_xBuilder->weld_tree_view("freeindex"))
+    , m_xAdd(m_xBuilder->weld_button("add"))
+    , m_xRemove(m_xBuilder->weld_button("remove"))
+    , m_xAddAll(m_xBuilder->weld_button("addall"))
+    , m_xRemoveAll(m_xBuilder->weld_button("removeall"))
+{
+    int nWidth = m_xLB_TableIndexes->get_approximate_digit_width() * 18;
+    int nHeight = m_xLB_TableIndexes->get_height_rows(10);
+    m_xLB_TableIndexes->set_size_request(nWidth, nHeight);
+    m_xLB_FreeIndexes->set_size_request(nWidth, nHeight);
+
+    m_xCB_Tables->connect_changed( LINK(this, ODbaseIndexDialog, TableSelectHdl) );
+    m_xAdd->connect_clicked( LINK(this, ODbaseIndexDialog, AddClickHdl) );
+    m_xRemove->connect_clicked( LINK(this, ODbaseIndexDialog, RemoveClickHdl) );
+    m_xAddAll->connect_clicked( LINK(this, ODbaseIndexDialog, AddAllClickHdl) );
+    m_xRemoveAll->connect_clicked( LINK(this, ODbaseIndexDialog, RemoveAllClickHdl) );
+    m_xPB_OK->connect_clicked( LINK(this, ODbaseIndexDialog, OKClickHdl) );
+
+    m_xLB_FreeIndexes->connect_changed( LINK(this, ODbaseIndexDialog, OnListEntrySelected) );
+    m_xLB_TableIndexes->connect_changed( LINK(this, ODbaseIndexDialog, OnListEntrySelected) );
+
+    Init();
+    SetCtrls();
+}
+
+ODbaseIndexDialog::~ODbaseIndexDialog()
+{
+}
+
+void ODbaseIndexDialog::checkButtons()
+{
+    m_xAdd->set_sensitive(0 != m_xLB_FreeIndexes->count_selected_rows());
+    m_xAddAll->set_sensitive(0 != m_xLB_FreeIndexes->n_children());
+
+    m_xRemove->set_sensitive(0 != m_xLB_TableIndexes->count_selected_rows());
+    m_xRemoveAll->set_sensitive(0 != m_xLB_TableIndexes->n_children());
+}
+
+OTableIndex ODbaseIndexDialog::implRemoveIndex(const OUString& _rName, TableIndexList& _rList, weld::TreeView& _rDisplay, bool _bMustExist)
+{
+    OTableIndex aReturn;
+
+    TableIndexList::iterator aSearch = std::find_if(_rList.begin(), _rList.end(),
+        [&_rName](const OTableIndex& rIndex) { return rIndex.GetIndexFileName() == _rName; });
+    if (aSearch != _rList.end())
+    {
+        sal_Int32 nPos = static_cast<sal_Int32>(std::distance(_rList.begin(), aSearch));
+
+        aReturn = *aSearch;
+
+        _rList.erase(aSearch);
+        _rDisplay.remove_text(_rName);
+
+        // adjust selection if necessary
+        if (static_cast<sal_uInt32>(nPos) == _rList.size())
+            _rDisplay.select(static_cast<sal_uInt16>(nPos)-1);
+        else
+            _rDisplay.select(static_cast<sal_uInt16>(nPos));
+    }
+    OSL_ENSURE(!_bMustExist || !aReturn.GetIndexFileName().isEmpty(), "ODbaseIndexDialog::implRemoveIndex : did not find the index!");
+    return aReturn;
+}
+
+void ODbaseIndexDialog::implInsertIndex(const OTableIndex& _rIndex, TableIndexList& _rList, weld::TreeView& _rDisplay)
+{
+    _rList.push_front(_rIndex);
+    _rDisplay.append_text(_rIndex.GetIndexFileName());
+    _rDisplay.select(0);
+}
+
+OTableIndex ODbaseIndexDialog::RemoveTableIndex( std::u16string_view _rTableName, const OUString& _rIndexName )
+{
+    OTableIndex aReturn;
+
+    // does the table exist ?
+    TableInfoList::iterator aTablePos = std::find_if(m_aTableInfoList.begin(), m_aTableInfoList.end(),
+                                           [&] (const OTableInfo& arg) { return arg.aTableName == _rTableName; });
+
+    if (aTablePos == m_aTableInfoList.end())
+        return aReturn;
+
+    return implRemoveIndex(_rIndexName, aTablePos->aIndexList, *m_xLB_TableIndexes, true/*_bMustExist*/);
+}
+
+void ODbaseIndexDialog::InsertTableIndex( std::u16string_view _rTableName, const OTableIndex& _rIndex)
+{
+    TableInfoList::iterator aTablePos = std::find_if(m_aTableInfoList.begin(), m_aTableInfoList.end(),
+                                           [&] (const OTableInfo& arg) { return arg.aTableName == _rTableName; });
+
+    if (aTablePos == m_aTableInfoList.end())
+        return;
+
+    implInsertIndex(_rIndex, aTablePos->aIndexList, *m_xLB_TableIndexes);
+}
+
+IMPL_LINK_NOARG(ODbaseIndexDialog, OKClickHdl, weld::Button&, void)
+{
+    // let all tables write their INF file
+
+    for (auto const& tableInfo : m_aTableInfoList)
+        tableInfo.WriteInfFile(m_aDSN);
+
+    m_xDialog->response(RET_OK);
+}
+
+IMPL_LINK_NOARG(ODbaseIndexDialog, AddClickHdl, weld::Button&, void)
+{
+    OUString aSelection = m_xLB_FreeIndexes->get_selected_text();
+    OUString aTableName = m_xCB_Tables->get_active_text();
+    OTableIndex aIndex = RemoveFreeIndex( aSelection, true );
+    InsertTableIndex( aTableName, aIndex );
+
+    checkButtons();
+}
+
+IMPL_LINK_NOARG(ODbaseIndexDialog, RemoveClickHdl, weld::Button&, void)
+{
+    OUString aSelection = m_xLB_TableIndexes->get_selected_text();
+    OUString aTableName = m_xCB_Tables->get_active_text();
+    OTableIndex aIndex = RemoveTableIndex( aTableName, aSelection );
+    InsertFreeIndex( aIndex );
+
+    checkButtons();
+}
+
+IMPL_LINK_NOARG(ODbaseIndexDialog, AddAllClickHdl, weld::Button&, void)
+{
+    const sal_Int32 nCnt = m_xLB_FreeIndexes->n_children();
+    OUString aTableName = m_xCB_Tables->get_active_text();
+
+    for (sal_Int32 nPos = 0; nPos < nCnt; ++nPos)
+        InsertTableIndex(aTableName, RemoveFreeIndex(m_xLB_FreeIndexes->get_text(0), true));
+
+    checkButtons();
+}
+
+IMPL_LINK_NOARG(ODbaseIndexDialog, RemoveAllClickHdl, weld::Button&, void)
+{
+    const sal_Int32 nCnt = m_xLB_TableIndexes->n_children();
+    OUString aTableName = m_xCB_Tables->get_active_text();
+
+    for (sal_Int32 nPos = 0; nPos < nCnt; ++nPos)
+        InsertFreeIndex(RemoveTableIndex(aTableName, m_xLB_TableIndexes->get_text(0)));
+
+    checkButtons();
+}
+
+IMPL_LINK_NOARG(ODbaseIndexDialog, OnListEntrySelected, weld::TreeView&, void)
+{
+    checkButtons();
+}
+
+IMPL_LINK(ODbaseIndexDialog, TableSelectHdl, weld::ComboBox&, rComboBox, void)
+{
+    // search the table
+    TableInfoList::iterator aTablePos = std::find_if(m_aTableInfoList.begin(), m_aTableInfoList.end(),
+                                           [&] (const OTableInfo& arg) { return arg.aTableName == rComboBox.get_active_text() ; });
+
+    if (aTablePos == m_aTableInfoList.end())
+        return;
+
+    // fill the listbox for the indexes
+    m_xLB_TableIndexes->clear();
+    for (auto const& index : aTablePos->aIndexList)
+        m_xLB_TableIndexes->append_text(index.GetIndexFileName());
+
+    if (!aTablePos->aIndexList.empty())
+        m_xLB_TableIndexes->select(0);
+
+    checkButtons();
+}
+
+void ODbaseIndexDialog::Init()
+{
+    m_xPB_OK->set_sensitive(false);
+    m_xIndexes->set_sensitive(false);
+
+    // All indices are first added to a list of free indices.
+    // Afterwards, check the index of each table in the Inf-file.
+    // These indices are removed from the list of free indices and
+    // entered in the indexlist of the table.
+
+    // if the string does not contain a path, cut the string
+    INetURLObject aURL;
+    aURL.SetSmartProtocol(INetProtocol::File);
+    {
+        SvtPathOptions aPathOptions;
+        m_aDSN = aPathOptions.SubstituteVariable(m_aDSN);
+    }
+    aURL.SetSmartURL(m_aDSN);
+
+    //  String aFileName = aURL.PathToFileName();
+    m_aDSN = aURL.GetMainURL(INetURLObject::DecodeMechanism::NONE);
+    ::ucbhelper::Content aFile;
+    bool bFolder=true;
+    try
+    {
+        aFile = ::ucbhelper::Content(m_aDSN,Reference< css::ucb::XCommandEnvironment >(), comphelper::getProcessComponentContext());
+        bFolder = aFile.isFolder();
+    }
+    catch(Exception&)
+    {
+        return;
+    }
+
+    // first assume for all indexes they're free
+
+    OUString const aIndexExt("ndx");
+    OUString const aTableExt("dbf");
+
+    std::vector< OUString > aUsedIndexes;
+
+    aURL.SetSmartProtocol(INetProtocol::File);
+    const Sequence<OUString> aFolderUrls = ::utl::LocalFileHelper::GetFolderContents(m_aDSN, bFolder);
+    for(const OUString& rURL : aFolderUrls)
+    {
+        OUString aName;
+        osl::FileBase::getSystemPathFromFileURL(rURL,aName);
+        aURL.SetSmartURL(aName);
+        OUString aExt = aURL.getExtension();
+        if (aExt == aIndexExt)
+        {
+            m_aFreeIndexList.emplace_back(aURL.getName() );
+        }
+        else if (aExt == aTableExt)
+        {
+            m_aTableInfoList.emplace_back(aURL.getName() );
+            OTableInfo& rTabInfo = m_aTableInfoList.back();
+
+            // open the INF file
+            aURL.setExtension(u"inf");
+            OFileNotation aTransformer(aURL.GetURLNoPass(), OFileNotation::N_URL);
+            Config aInfFile( aTransformer.get(OFileNotation::N_SYSTEM) );
+            aInfFile.SetGroup( aGroupIdent );
+
+            // fill the indexes list
+            OString aNDX;
+            sal_uInt16 nKeyCnt = aInfFile.GetKeyCount();
+            OString aKeyName;
+            OUString aEntry;
+
+            for( sal_uInt16 nKey = 0; nKey < nKeyCnt; nKey++ )
+            {
+                // does the key point to an index file ?
+                aKeyName = aInfFile.GetKeyName( nKey );
+                aNDX = aKeyName.copy(0,3);
+
+                // yes -> add to the tables index list
+                if (aNDX == "NDX")
+                {
+                    aEntry = OStringToOUString(aInfFile.ReadKey(aKeyName), osl_getThreadTextEncoding());
+                    rTabInfo.aIndexList.emplace_back( aEntry );
+
+                    // and remove it from the free index list
+                    aUsedIndexes.push_back(aEntry);
+                        // do this later below. We may not have encountered the index file, yet, thus we may not
+                        // know the index as being free, yet
+                }
+            }
+        }
+    }
+
+    for (auto const& usedIndex : aUsedIndexes)
+        RemoveFreeIndex( usedIndex, false );
+
+    if (!m_aTableInfoList.empty())
+    {
+        m_xPB_OK->set_sensitive(true);
+        m_xIndexes->set_sensitive(true);
+    }
+
+    checkButtons();
+}
+
+void ODbaseIndexDialog::SetCtrls()
+{
+    // ComboBox tables
+    for (auto const& tableInfo : m_aTableInfoList)
+        m_xCB_Tables->append_text(tableInfo.aTableName);
+
+    // put the first dataset into Edit
+    if (!m_aTableInfoList.empty())
+    {
+        const OTableInfo& rTabInfo = m_aTableInfoList.front();
+        m_xCB_Tables->set_entry_text(rTabInfo.aTableName);
+
+        // build ListBox of the table indices
+        for (auto const& index : rTabInfo.aIndexList)
+            m_xLB_TableIndexes->append_text(index.GetIndexFileName());
+
+        if (!rTabInfo.aIndexList.empty())
+            m_xLB_TableIndexes->select(0);
+    }
+
+    // ListBox of the free indices
+    for (auto const& freeIndex : m_aFreeIndexList)
+        m_xLB_FreeIndexes->append_text(freeIndex.GetIndexFileName());
+
+    if (!m_aFreeIndexList.empty())
+        m_xLB_FreeIndexes->select(0);
+
+    TableSelectHdl(*m_xCB_Tables);
+    checkButtons();
+}
+
+void OTableInfo::WriteInfFile( const OUString& rDSN ) const
+{
+    // open INF file
+    INetURLObject aURL;
+    aURL.SetSmartProtocol(INetProtocol::File);
+    OUString aDsn = rDSN;
+    {
+        SvtPathOptions aPathOptions;
+        aDsn = aPathOptions.SubstituteVariable(aDsn);
+    }
+    aURL.SetSmartURL(aDsn);
+    aURL.Append(aTableName);
+    aURL.setExtension(u"inf");
+
+    OFileNotation aTransformer(aURL.GetURLNoPass(), OFileNotation::N_URL);
+    Config aInfFile( aTransformer.get(OFileNotation::N_SYSTEM) );
+    aInfFile.SetGroup( aGroupIdent );
+
+    // first, delete all table indices
+    OString aNDX;
+    sal_uInt16 nKeyCnt = aInfFile.GetKeyCount();
+    sal_uInt16 nKey = 0;
+
+    while( nKey < nKeyCnt )
+    {
+        // Does the key point to an index file?...
+        OString aKeyName = aInfFile.GetKeyName( nKey );
+        aNDX = aKeyName.copy(0,3);
+
+        //...if yes, delete index file, nKey is at subsequent key
+        if (aNDX == "NDX")
+        {
+            aInfFile.DeleteKey(aKeyName);
+            nKeyCnt--;
+        }
+        else
+            nKey++;
+
+    }
+
+    // now add all saved indices
+    sal_uInt16 nPos = 0;
+    for (auto const& index : aIndexList)
+    {
+        OStringBuffer aKeyName("NDX");
+        if( nPos > 0 )  // first index contains no number
+            aKeyName.append(static_cast<sal_Int32>(nPos));
+        aInfFile.WriteKey(
+            aKeyName.makeStringAndClear(),
+            OUStringToOString(index.GetIndexFileName(),
+                osl_getThreadTextEncoding()));
+        ++nPos;
+    }
+
+    aInfFile.Flush();
+
+    // if only [dbase] is left in INF-file, delete file
+    if(nPos)
+        return;
+
+    try
+    {
+        ::ucbhelper::Content aContent(aURL.GetURLNoPass(),Reference<XCommandEnvironment>(), comphelper::getProcessComponentContext());
+        aContent.executeCommand( "delete", Any( true ) );
+    }
+    catch (const Exception& )
+    {
+        // simply silent this. The strange algorithm here does a lot of
+        // things even if no files at all were created or accessed, so it's
+        // possible that the file we're trying to delete does not even
+        // exist, and this is a valid condition.
+    }
+}
+
+} // namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */