panel_sym_lib_table.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2017 Wayne Stambaugh <[email protected]>
 * Copyright (C) 2021 CERN
 * Copyright The KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#include <set>
#include <wx/regex.h>
 
#include <build_version.h>
#include <common.h>     // For ExpandEnvVarSubstitutions
#include <dialogs/dialog_global_sym_lib_table_config.h>
#include <dialogs/dialog_plugin_options.h>
#include <project.h>
#include <panel_sym_lib_table.h>
#include <lib_id.h>
#include <symbol_lib_table.h>
#include <lib_table_lexer.h>
#include <lib_table_grid_tricks.h>
#include <widgets/wx_grid.h>
#include <confirm.h>
#include <bitmaps.h>
#include <lib_table_grid.h>
#include <wildcards_and_files_ext.h>
#include <env_paths.h>
#include <eeschema_id.h>
#include <symbol_edit_frame.h>
#include <symbol_viewer_frame.h>
#include <sch_edit_frame.h>
#include <kiway.h>
#include <paths.h>
#include <pgm_base.h>
#include <settings/settings_manager.h>
#include <widgets/grid_readonly_text_helpers.h>
#include <widgets/grid_text_button_helpers.h>
#include <widgets/std_bitmap_button.h>
#include <sch_file_versions.h>
#include <wx/filedlg.h>
#include <wx/msgdlg.h>
#include <project_sch.h>
 
 
 
// clang-format off
 
struct SUPPORTED_FILE_TYPE
{
    wxString m_Description;            
    wxString m_FileFilter;             
 
    wxString m_FolderSearchExtension;
    bool     m_IsFile;                 
    SCH_IO_MGR::SCH_FILE_T m_Plugin;
};
 
 
enum {
    ID_PANEL_SYM_LIB_KICAD = ID_END_EESCHEMA_ID_LIST,
    ID_PANEL_SYM_LIB_LEGACY,
};
 
// clang-format on
 
class SYMBOL_LIB_TABLE_GRID : public LIB_TABLE_GRID, public SYMBOL_LIB_TABLE
{
    friend class PANEL_SYM_LIB_TABLE;
    friend class SYMBOL_GRID_TRICKS;
 
protected:
    LIB_TABLE_ROW* at( size_t aIndex ) override { return &m_rows.at( aIndex ); }
 
    size_t size() const override { return m_rows.size(); }
 
    LIB_TABLE_ROW* makeNewRow() override
    {
        return dynamic_cast< LIB_TABLE_ROW* >( new SYMBOL_LIB_TABLE_ROW );
    }
 
    LIB_TABLE_ROWS_ITER begin() override { return m_rows.begin(); }
 
    LIB_TABLE_ROWS_ITER insert( LIB_TABLE_ROWS_ITER aIterator, LIB_TABLE_ROW* aRow ) override
    {
        return m_rows.insert( aIterator, aRow );
    }
 
    void push_back( LIB_TABLE_ROW* aRow ) override { m_rows.push_back( aRow ); }
 
    LIB_TABLE_ROWS_ITER erase( LIB_TABLE_ROWS_ITER aFirst, LIB_TABLE_ROWS_ITER aLast ) override
    {
        return m_rows.erase( aFirst, aLast );
    }
 
public:
    void SetValue( int aRow, int aCol, const wxString &aValue ) override
    {
        wxCHECK( aRow < (int) size(), /* void */ );
 
        LIB_TABLE_GRID::SetValue( aRow, aCol, aValue );
 
        // If setting a filepath, attempt to auto-detect the format
        if( aCol == COL_URI )
        {
            LIB_TABLE_ROW* row = at( (size_t) aRow );
            wxString       fullURI = row->GetFullURI( true );
 
            SCH_IO_MGR::SCH_FILE_T pluginType = SCH_IO_MGR::GuessPluginTypeFromLibPath( fullURI );
 
            if( pluginType == SCH_IO_MGR::SCH_FILE_UNKNOWN )
                pluginType = SCH_IO_MGR::SCH_KICAD;
 
            SetValue( aRow, COL_TYPE, SCH_IO_MGR::ShowType( pluginType ) );
        }
    }
 
 
    SYMBOL_LIB_TABLE_GRID( const SYMBOL_LIB_TABLE& aTableToEdit )
    {
        m_rows = aTableToEdit.m_rows;
    }
};
 
class SYMBOL_GRID_TRICKS : public LIB_TABLE_GRID_TRICKS
{
public:
    SYMBOL_GRID_TRICKS( DIALOG_EDIT_LIBRARY_TABLES* aParent, WX_GRID* aGrid ) :
        LIB_TABLE_GRID_TRICKS( aGrid ),
        m_dialog( aParent )
    {
    }
 
protected:
    DIALOG_EDIT_LIBRARY_TABLES* m_dialog;
 
    virtual void optionsEditor( int aRow ) override
    {
        SYMBOL_LIB_TABLE_GRID* tbl = (SYMBOL_LIB_TABLE_GRID*) m_grid->GetTable();
 
        if( tbl->GetNumberRows() > aRow )
        {
            LIB_TABLE_ROW*  row = tbl->at( (size_t) aRow );
            const wxString& options = row->GetOptions();
            wxString        result = options;
            std::map<std::string, UTF8> choices;
 
            SCH_IO_MGR::SCH_FILE_T pi_type = SCH_IO_MGR::EnumFromStr( row->GetType() );
            IO_RELEASER<SCH_IO> pi( SCH_IO_MGR::FindPlugin( pi_type ) );
            pi->GetLibraryOptions( &choices );
 
            DIALOG_PLUGIN_OPTIONS dlg( m_dialog, row->GetNickName(), choices, options, &result );
            dlg.ShowModal();
 
            if( options != result )
            {
                row->SetOptions( result );
                m_grid->Refresh();
            }
        }
 
    }
 
    virtual void paste_text( const wxString& cb_text ) override
    {
        SYMBOL_LIB_TABLE_GRID* tbl = (SYMBOL_LIB_TABLE_GRID*) m_grid->GetTable();
        size_t                 ndx = cb_text.find( "(sym_lib_table" );
 
        if( ndx != std::string::npos )
        {
            // paste the SYMBOL_LIB_TABLE_ROWs of s-expression (sym_lib_table), starting
            // at column 0 regardless of current cursor column.
 
            STRING_LINE_READER  slr( TO_UTF8( cb_text ), wxS( "Clipboard" ) );
            LIB_TABLE_LEXER     lexer( &slr );
            SYMBOL_LIB_TABLE    tmp_tbl;
            bool                parsed = true;
 
            try
            {
                tmp_tbl.Parse( &lexer );
            }
            catch( PARSE_ERROR& pe )
            {
                DisplayError( m_dialog, pe.What() );
                parsed = false;
            }
 
            if( parsed )
            {
                // make sure the table is big enough...
                if( tmp_tbl.GetCount() > (unsigned) tbl->GetNumberRows() )
                    tbl->AppendRows( tmp_tbl.GetCount() - tbl->GetNumberRows() );
 
                for( unsigned i = 0;  i < tmp_tbl.GetCount();  ++i )
                    tbl->ReplaceRow( i, tmp_tbl.At( i ).clone() );
            }
 
            m_grid->AutoSizeColumns( false );
        }
        else
        {
            // paste spreadsheet formatted text.
            GRID_TRICKS::paste_text( cb_text );
 
            m_grid->AutoSizeColumns( false );
        }
    }
 
    bool supportsVisibilityColumn() override
    {
        return true;
    }
};
 
 
void PANEL_SYM_LIB_TABLE::setupGrid( WX_GRID* aGrid )
{
    auto autoSizeCol =
            [&]( WX_GRID* aCurrGrid, int aCol )
            {
                int prevWidth = aCurrGrid->GetColSize( aCol );
 
                aCurrGrid->AutoSizeColumn( aCol, false );
                aCurrGrid->SetColSize( aCol, std::max( prevWidth, aCurrGrid->GetColSize( aCol ) ) );
            };
 
    // Give a bit more room for combobox editors
    for( int ii = 0; ii < aGrid->GetNumberRows(); ++ii )
        aGrid->SetRowSize( ii, aGrid->GetDefaultRowSize() + 4 );
 
    // add Cut, Copy, and Paste to wxGrids
    aGrid->PushEventHandler( new SYMBOL_GRID_TRICKS( m_parent, aGrid ) );
 
    aGrid->SetSelectionMode( wxGrid::wxGridSelectRows );
 
    // Set special attributes
    wxGridCellAttr* attr = new wxGridCellAttr;
 
    wxString fileFiltersStr;
    wxString allWildcardsStr;
 
    if( EESCHEMA_SETTINGS* cfg = GetAppSettings<EESCHEMA_SETTINGS>( "eeschema" ) )
    {
        attr->SetEditor( new GRID_CELL_PATH_EDITOR(
                m_parent, aGrid, &cfg->m_lastSymbolLibDir, true, m_project->GetProjectPath(),
                []( WX_GRID* grid, int row ) -> wxString
                {
                    auto* libTable = static_cast<SYMBOL_LIB_TABLE_GRID*>( grid->GetTable() );
                    auto* tableRow = static_cast<SYMBOL_LIB_TABLE_ROW*>( libTable->at( row ) );
 
                    IO_RELEASER<SCH_IO> pi( SCH_IO_MGR::FindPlugin( tableRow->GetFileType() ) );
 
                    if( pi )
                    {
                        const IO_BASE::IO_FILE_DESC& desc = pi->GetLibraryDesc();
 
                        if( desc.m_IsFile )
                            return desc.FileFilter();
                    }
 
                    return wxEmptyString;
                } ) );
    }
 
    aGrid->SetColAttr( COL_URI, attr );
 
    attr = new wxGridCellAttr;
    attr->SetEditor( new wxGridCellChoiceEditor( m_pluginChoices ) );
    aGrid->SetColAttr( COL_TYPE, attr );
 
    attr = new wxGridCellAttr;
    attr->SetRenderer( new wxGridCellBoolRenderer() );
    attr->SetReadOnly();    // not really; we delegate interactivity to GRID_TRICKS
    aGrid->SetColAttr( COL_ENABLED, attr );
 
    attr = new wxGridCellAttr;
    attr->SetRenderer( new wxGridCellBoolRenderer() );
    attr->SetReadOnly();    // not really; we delegate interactivity to GRID_TRICKS
    aGrid->SetColAttr( COL_VISIBLE, attr );
 
    // all but COL_OPTIONS, which is edited with Option Editor anyways.
    autoSizeCol( aGrid, COL_NICKNAME );
    autoSizeCol( aGrid, COL_TYPE );
    autoSizeCol( aGrid, COL_URI );
    autoSizeCol( aGrid, COL_DESCR );
    autoSizeCol( aGrid, COL_ENABLED );
 
    // Gives a selection to each grid, mainly for delete button.  wxGrid's wake up with
    // a currentCell which is sometimes not highlighted.
    if( aGrid->GetNumberRows() > 0 )
        aGrid->SelectRow( 0 );
};
 
 
PANEL_SYM_LIB_TABLE::PANEL_SYM_LIB_TABLE( DIALOG_EDIT_LIBRARY_TABLES* aParent, PROJECT* aProject,
                                          SYMBOL_LIB_TABLE* aGlobalTable,
                                          const wxString& aGlobalTablePath,
                                          SYMBOL_LIB_TABLE* aProjectTable,
                                          const wxString& aProjectTablePath ) :
    PANEL_SYM_LIB_TABLE_BASE( aParent ),
    m_globalTable( aGlobalTable ),
    m_projectTable( aProjectTable ),
    m_project( aProject ),
    m_parent( aParent )
{
    // wxGrid only supports user owned tables if they exist past end of ~wxGrid(),
    // so make it a grid owned table.
    m_global_grid->SetTable( new SYMBOL_LIB_TABLE_GRID( *m_globalTable ), true );
 
    for( const SCH_IO_MGR::SCH_FILE_T& type : SCH_IO_MGR::SCH_FILE_T_vector )
    {
        IO_RELEASER<SCH_IO> pi( SCH_IO_MGR::FindPlugin( type ) );
 
        if( !pi )
            continue;
 
        if( const IO_BASE::IO_FILE_DESC& desc = pi->GetLibraryDesc() )
            m_pluginChoices.Add( SCH_IO_MGR::ShowType( type ) );
    }
 
    if( EESCHEMA_SETTINGS* cfg = GetAppSettings<EESCHEMA_SETTINGS>( "eeschema" ) )
    {
        if( cfg->m_lastSymbolLibDir.IsEmpty() )
            cfg->m_lastSymbolLibDir = PATHS::GetDefaultUserSymbolsPath();
    }
 
    m_lastProjectLibDir = m_project->GetProjectPath();
 
    setupGrid( m_global_grid );
 
    if( m_projectTable )
    {
        m_project_grid->SetTable( new SYMBOL_LIB_TABLE_GRID( *m_projectTable ), true );
        setupGrid( m_project_grid );
    }
    else
    {
        m_pageNdx = 0;
        m_notebook->DeletePage( 1 );
        m_project_grid = nullptr;
    }
 
    // add Cut, Copy, and Paste to wxGrids
    m_path_subs_grid->PushEventHandler( new GRID_TRICKS( m_path_subs_grid ) );
 
    populateEnvironReadOnlyTable();
 
    // select the last selected page
    m_notebook->SetSelection( m_pageNdx );
    m_cur_grid = ( m_pageNdx == 0 ) ? m_global_grid : m_project_grid;
 
    m_path_subs_grid->SetColLabelValue( 0, _( "Name" ) );
    m_path_subs_grid->SetColLabelValue( 1, _( "Value" ) );
 
    // for ALT+A handling, we want the initial focus to be on the first selected grid.
    m_parent->SetInitialFocus( m_cur_grid );
 
    // Configure button logos
    m_append_button->SetBitmap( KiBitmapBundle( BITMAPS::small_plus ) );
    m_delete_button->SetBitmap( KiBitmapBundle( BITMAPS::small_trash ) );
    m_move_up_button->SetBitmap( KiBitmapBundle( BITMAPS::small_up ) );
    m_move_down_button->SetBitmap( KiBitmapBundle( BITMAPS::small_down ) );
    m_browse_button->SetBitmap( KiBitmapBundle( BITMAPS::small_folder ) );
}
 
 
PANEL_SYM_LIB_TABLE::~PANEL_SYM_LIB_TABLE()
{
    // Delete the GRID_TRICKS.
    // Any additional event handlers should be popped before the window is deleted.
    m_global_grid->PopEventHandler( true );
 
    if( m_project_grid )
        m_project_grid->PopEventHandler( true );
 
    m_path_subs_grid->PopEventHandler( true );
}
 
 
bool PANEL_SYM_LIB_TABLE::allowAutomaticPluginTypeSelection( wxString& aLibraryPath )
{
    // When the plugin type depends only of the file extension, return true.
    // if it needs to read the actual file (that can be not available), return false
 
    wxFileName fn( aLibraryPath );
    wxString   ext = fn.GetExt().Lower();
 
    // Currently, only the extension .lib is common to legacy libraries and Cadstar libraries
    // so return false in this case
    if( ext == FILEEXT::LegacySymbolLibFileExtension )
        return false;
 
    return true;
}
 
 
bool PANEL_SYM_LIB_TABLE::verifyTables()
{
    wxString                      msg;
    std::unique_ptr<wxBusyCursor> wait;
    wait.reset( new wxBusyCursor );
 
    for( SYMBOL_LIB_TABLE_GRID* model : { global_model(), project_model() } )
    {
        if( !model )
            continue;
 
        for( int r = 0; r < model->GetNumberRows(); )
        {
            wxString nick = model->GetValue( r, COL_NICKNAME ).Trim( false ).Trim();
            wxString uri  = model->GetValue( r, COL_URI ).Trim( false ).Trim();
            unsigned illegalCh = 0;
 
            if( !nick || !uri )
            {
                if( !nick && !uri )
                    msg = _( "A library table row nickname and path cells are empty." );
                else if( !nick )
                    msg = _( "A library table row nickname cell is empty." );
                else
                    msg = _( "A library table row path cell is empty." );
 
                wxWindow* topLevelParent = wxGetTopLevelParent( this );
 
                wxMessageDialog badCellDlg( topLevelParent, msg, _( "Invalid Row Definition" ),
                                            wxYES_NO | wxCENTER | wxICON_QUESTION | wxYES_DEFAULT );
                badCellDlg.SetExtendedMessage( _( "Empty cells will result in all rows that are "
                                                  "invalid to be removed from the table." ) );
                badCellDlg.SetYesNoLabels(
                        wxMessageDialog::ButtonLabel( _( "Remove Invalid Cells" ) ),
                        wxMessageDialog::ButtonLabel( _( "Cancel Table Update" ) ) );
 
                wait.reset();
 
                if( badCellDlg.ShowModal() == wxID_NO )
                    return false;
 
                wait.reset( new wxBusyCursor );
 
                // Delete the "empty" row, where empty means missing nick or uri.
                // This also updates the UI which could be slow, but there should only be a few
                // rows to delete, unless the user fell asleep on the Add Row
                // button.
                model->DeleteRows( r, 1 );
            }
            else if( ( illegalCh = LIB_ID::FindIllegalLibraryNameChar( nick ) ) )
            {
                msg = wxString::Format( _( "Illegal character '%c' in nickname '%s'" ),
                                        illegalCh,
                                        nick );
 
                // show the tabbed panel holding the grid we have flunked:
                if( model != cur_model() )
                    m_notebook->SetSelection( model == global_model() ? 0 : 1 );
 
                m_cur_grid->MakeCellVisible( r, 0 );
                m_cur_grid->SetGridCursor( r, 1 );
 
                wxWindow* topLevelParent = wxGetTopLevelParent( this );
 
                wxMessageDialog errdlg( topLevelParent, msg, _( "Library Nickname Error" ) );
 
                wait.reset();
                errdlg.ShowModal();
                return false;
            }
            else
            {
                // set the trimmed values back into the table so they get saved to disk.
                model->SetValue( r, COL_NICKNAME, nick );
 
                if( allowAutomaticPluginTypeSelection( uri ) )
                {
                    model->SetValue( r, COL_URI, uri );
                }
                else
                {
                    wxString ltype  = model->GetValue( r, COL_TYPE );
                    model->LIB_TABLE_GRID::SetValue( r, COL_URI, uri );
                    model->SetValue( r, COL_TYPE, ltype );
                }
 
                ++r;        // this row was OK.
            }
        }
    }
 
    // check for duplicate nickNames, separately in each table.
    for( SYMBOL_LIB_TABLE_GRID* model : { global_model(), project_model() } )
    {
        if( !model )
            continue;
 
        for( int r1 = 0; r1 < model->GetNumberRows() - 1; ++r1 )
        {
            wxString    nick1 = model->GetValue( r1, COL_NICKNAME );
 
            for( int r2 = r1 + 1; r2 < model->GetNumberRows(); ++r2 )
            {
                wxString    nick2 = model->GetValue( r2, COL_NICKNAME );
 
                if( nick1 == nick2 )
                {
                    msg = wxString::Format( _( "Multiple libraries cannot share the same "
                                               "nickname ('%s')." ), nick1 );
 
                    // show the tabbed panel holding the grid we have flunked:
                    if( model != cur_model() )
                        m_notebook->SetSelection( model == global_model() ? 0 : 1 );
 
                    // go to the lower of the two rows, it is technically the duplicate:
                    m_cur_grid->MakeCellVisible( r2, 0 );
                    m_cur_grid->SetGridCursor( r2, 1 );
 
                    wxWindow* topLevelParent = wxGetTopLevelParent( this );
 
                    wait.reset();
                    wxMessageDialog errdlg( topLevelParent, msg, _( "Library Nickname Error" ) );
                    errdlg.ShowModal();
 
                    return false;
                }
            }
        }
    }
 
    for( SYMBOL_LIB_TABLE* table : { global_model(), project_model() } )
    {
        if( !table )
            continue;
 
        for( unsigned int r = 0; r < table->GetCount(); ++r )
        {
            SYMBOL_LIB_TABLE_ROW& row = dynamic_cast<SYMBOL_LIB_TABLE_ROW&>( table->At( r ) );
 
            // Newly-added rows won't have set this yet
            row.SetParent( table );
 
            if( !row.GetIsEnabled() )
                continue;
 
            try
            {
                if( row.Refresh() )
                {
                    if( table == global_model() )
                        m_parent->m_GlobalTableChanged = true;
                    else
                        m_parent->m_ProjectTableChanged = true;
                }
            }
            catch( const IO_ERROR& ioe )
            {
                msg.Printf( _( "Symbol library '%s' failed to load." ), row.GetNickName() );
 
                wxWindow* topLevelParent = wxGetTopLevelParent( this );
                wait.reset();
                wxMessageDialog errdlg( topLevelParent, msg + wxS( "\n" ) + ioe.What(),
                                        _( "Error Loading Library" ) );
                errdlg.ShowModal();
 
                return true;
            }
        }
    }
 
    return true;
}
 
 
void PANEL_SYM_LIB_TABLE::OnUpdateUI( wxUpdateUIEvent& event )
{
}
 
 
void PANEL_SYM_LIB_TABLE::browseLibrariesHandler( wxCommandEvent& event )
{
    wxString fileFiltersStr;
    wxString allWildcardsStr;
 
    for( const SCH_IO_MGR::SCH_FILE_T& fileType : SCH_IO_MGR::SCH_FILE_T_vector )
    {
        IO_RELEASER<SCH_IO> pi( SCH_IO_MGR::FindPlugin( fileType ) );
 
        if( !pi )
            continue;
 
        const IO_BASE::IO_FILE_DESC& desc = pi->GetLibraryDesc();
 
        if( desc.m_FileExtensions.empty() )
            continue;
 
        if( !fileFiltersStr.IsEmpty() )
            fileFiltersStr += wxChar( '|' );
 
        fileFiltersStr += desc.FileFilter();
 
        for( const std::string& ext : desc.m_FileExtensions )
            allWildcardsStr << wxT( "*." ) << formatWildcardExt( ext ) << wxT( ";" );
    }
 
    fileFiltersStr = _( "All supported formats" ) + wxT( "|" ) + allWildcardsStr + wxT( "|" )
                     + fileFiltersStr;
 
    EESCHEMA_SETTINGS* cfg = GetAppSettings<EESCHEMA_SETTINGS>( "eeschema" );
    wxString           dummy;
    wxString*          lastDir;
 
    if( m_cur_grid == m_project_grid )
        lastDir = &m_lastProjectLibDir;
    else
        lastDir = cfg ? &cfg->m_lastSymbolLibDir : &dummy;
 
    wxWindow* topLevelParent = wxGetTopLevelParent( this );
 
    wxFileDialog dlg( topLevelParent, _( "Add Library" ), *lastDir, wxEmptyString, fileFiltersStr,
                      wxFD_OPEN | wxFD_FILE_MUST_EXIST | wxFD_MULTIPLE );
 
    if( dlg.ShowModal() == wxID_CANCEL )
        return;
 
    *lastDir = dlg.GetDirectory();
 
    const ENV_VAR_MAP& envVars       = Pgm().GetLocalEnvVariables();
    bool               addDuplicates = false;
    bool               applyToAll    = false;
 
    wxArrayString filePathsList;
    dlg.GetPaths( filePathsList );
 
    for( const wxString& filePath : filePathsList )
    {
        wxFileName fn( filePath );
        wxString   nickname = LIB_ID::FixIllegalChars( fn.GetName(), true );
        bool       doAdd = true;
 
        if( cur_model()->ContainsNickname( nickname ) )
        {
            if( !applyToAll )
            {
                // The cancel button adds the library to the table anyway
                addDuplicates = OKOrCancelDialog( wxGetTopLevelParent( this ), _( "Warning: Duplicate Nickname" ),
                                                  wxString::Format( _( "A library nicknamed '%s' already exists." ),
                                                                    nickname ),
                                                  _( "One of the nicknames will need to be changed after adding "
                                                     "this library." ),
                                                  _( "Skip" ), _( "Add Anyway" ),
                                                  &applyToAll ) == wxID_CANCEL;
            }
 
            doAdd = addDuplicates;
        }
 
        if( doAdd && m_cur_grid->AppendRows( 1 ) )
        {
            int last_row = m_cur_grid->GetNumberRows() - 1;
 
            m_cur_grid->SetCellValue( last_row, COL_NICKNAME, nickname );
 
            // attempt to auto-detect the plugin type
            SCH_IO_MGR::SCH_FILE_T pluginType = SCH_IO_MGR::GuessPluginTypeFromLibPath( filePath );
 
            if( pluginType == SCH_IO_MGR::SCH_FILE_UNKNOWN )
                pluginType = SCH_IO_MGR::SCH_KICAD;
 
            m_cur_grid->SetCellValue( last_row, COL_TYPE, SCH_IO_MGR::ShowType( pluginType ) );
 
            // try to use path normalized to an environmental variable or project path
            wxString path = NormalizePath( filePath, &envVars, m_project->GetProjectPath() );
 
            // Do not use the project path in the global library table.  This will almost
            // assuredly be wrong for a different project.
            if( m_pageNdx == 0 && path.Contains( "${KIPRJMOD}" ) )
                path = fn.GetFullPath();
 
            m_cur_grid->SetCellValue( last_row, COL_URI, path );
        }
    }
 
    if( !filePathsList.IsEmpty() )
    {
        m_cur_grid->MakeCellVisible( m_cur_grid->GetNumberRows() - 1, COL_ENABLED );
        m_cur_grid->SetGridCursor( m_cur_grid->GetNumberRows() - 1, COL_NICKNAME );
    }
}
 
 
void PANEL_SYM_LIB_TABLE::appendRowHandler( wxCommandEvent& event )
{
    if( !m_cur_grid->CommitPendingChanges() )
        return;
 
    if( m_cur_grid->AppendRows( 1 ) )
    {
        int row = m_cur_grid->GetNumberRows() - 1;
 
        // wx documentation is wrong, SetGridCursor does not make visible.
        m_cur_grid->MakeCellVisible( row, COL_ENABLED );
        m_cur_grid->SetGridCursor( row, COL_NICKNAME );
        m_cur_grid->EnableCellEditControl( true );
        m_cur_grid->ShowCellEditControl();
    }
}
 
 
void PANEL_SYM_LIB_TABLE::deleteRowHandler( wxCommandEvent& event )
{
    if( !m_cur_grid->CommitPendingChanges() )
        return;
 
    wxGridUpdateLocker noUpdates( m_cur_grid );
 
    int curRow = m_cur_grid->GetGridCursorRow();
    int curCol = m_cur_grid->GetGridCursorCol();
 
    // In a wxGrid, collect rows that have a selected cell, or are selected
    // It is not so easy: it depends on the way the selection was made.
    // Here, we collect rows selected by clicking on a row label, and rows that contain
    // previously-selected cells.
    // If no candidate, just delete the row with the grid cursor.
    wxArrayInt selectedRows = m_cur_grid->GetSelectedRows();
    wxGridCellCoordsArray cells = m_cur_grid->GetSelectedCells();
    wxGridCellCoordsArray blockTopLeft = m_cur_grid->GetSelectionBlockTopLeft();
    wxGridCellCoordsArray blockBotRight = m_cur_grid->GetSelectionBlockBottomRight();
 
    // Add all row having cell selected to list:
    for( unsigned ii = 0; ii < cells.GetCount(); ii++ )
        selectedRows.Add( cells[ii].GetRow() );
 
    // Handle block selection
    if( !blockTopLeft.IsEmpty() && !blockBotRight.IsEmpty() )
    {
        for( int i = blockTopLeft[0].GetRow(); i <= blockBotRight[0].GetRow(); ++i )
            selectedRows.Add( i );
    }
 
    // Use the row having the grid cursor only if we have no candidate:
    if( selectedRows.size() == 0 && m_cur_grid->GetGridCursorRow() >= 0 )
        selectedRows.Add( m_cur_grid->GetGridCursorRow() );
 
    if( selectedRows.size() == 0 )
    {
        wxBell();
        return;
    }
 
    std::sort( selectedRows.begin(), selectedRows.end() );
 
    // Remove selected rows (note: a row can be stored more than once in list)
    int last_row = -1;
 
    // Needed to avoid a wxWidgets alert if the row to delete is the last row
    // at least on wxMSW 3.2
    m_cur_grid->ClearSelection();
 
    for( int ii = selectedRows.GetCount()-1; ii >= 0; ii-- )
    {
        int row = selectedRows[ii];
 
        if( row != last_row )
        {
            last_row = row;
            m_cur_grid->DeleteRows( row, 1 );
        }
    }
 
    if( m_cur_grid->GetNumberRows() > 0 && curRow >= 0 )
        m_cur_grid->SetGridCursor( std::min( curRow, m_cur_grid->GetNumberRows() - 1 ), curCol );
}
 
 
void PANEL_SYM_LIB_TABLE::moveUpHandler( wxCommandEvent& event )
{
    if( !m_cur_grid->CommitPendingChanges() )
        return;
 
    SYMBOL_LIB_TABLE_GRID* tbl = cur_model();
    int curRow = m_cur_grid->GetGridCursorRow();
 
    // @todo: add multiple selection moves.
    if( curRow >= 1 )
    {
        tbl->ChangeRowOrder( curRow--, -1 );
 
        if( tbl->GetView() )
        {
            // Update the wxGrid
            wxGridTableMessage msg( tbl, wxGRIDTABLE_NOTIFY_ROWS_INSERTED, curRow, 0 );
            tbl->GetView()->ProcessTableMessage( msg );
        }
 
        m_cur_grid->MakeCellVisible( curRow, m_cur_grid->GetGridCursorCol() );
        m_cur_grid->SetGridCursor( curRow, m_cur_grid->GetGridCursorCol() );
    }
}
 
 
void PANEL_SYM_LIB_TABLE::moveDownHandler( wxCommandEvent& event )
{
    if( !m_cur_grid->CommitPendingChanges() )
        return;
 
    SYMBOL_LIB_TABLE_GRID* tbl = cur_model();
    int curRow = m_cur_grid->GetGridCursorRow();
 
    // @todo: add multiple selection moves.
    if( unsigned( curRow + 1 ) < tbl->m_rows.size() )
    {
        tbl->ChangeRowOrder( curRow++, 1 );
 
        if( tbl->GetView() )
        {
            // Update the wxGrid
            wxGridTableMessage msg( tbl, wxGRIDTABLE_NOTIFY_ROWS_INSERTED, curRow - 1, 0 );
            tbl->GetView()->ProcessTableMessage( msg );
        }
 
        m_cur_grid->MakeCellVisible( curRow, m_cur_grid->GetGridCursorCol() );
        m_cur_grid->SetGridCursor( curRow, m_cur_grid->GetGridCursorCol() );
    }
}
 
 
void PANEL_SYM_LIB_TABLE::onReset( wxCommandEvent& event )
{
    if( !m_cur_grid->CommitPendingChanges() )
        return;
 
    // No need to prompt to preserve an empty table
    if( m_global_grid->GetNumberRows() > 0 &&
        !IsOK( this, wxString::Format( _( "This action will reset your global library table on "
                                          "disk and cannot be undone." ) ) ) )
    {
        return;
    }
 
 
    DIALOG_GLOBAL_SYM_LIB_TABLE_CONFIG dlg( m_parent );
 
    if( dlg.ShowModal() == wxID_OK )
    {
        m_global_grid->Freeze();
 
        wxGridTableBase* table = m_global_grid->GetTable();
        m_global_grid->DestroyTable( table );
 
        m_global_grid->SetTable( new SYMBOL_LIB_TABLE_GRID( *m_globalTable ), true );
        m_global_grid->PopEventHandler( true );
        setupGrid( m_global_grid );
        m_parent->m_GlobalTableChanged = true;
 
        m_global_grid->Thaw();
    }
}
 
 
void PANEL_SYM_LIB_TABLE::onPageChange( wxBookCtrlEvent& event )
{
    m_pageNdx = (unsigned) std::max( 0, m_notebook->GetSelection() );
 
    if( m_pageNdx == 0 )
    {
        m_cur_grid = m_global_grid;
        m_resetGlobal->Enable();
    }
    else
    {
        m_cur_grid = m_project_grid;
        m_resetGlobal->Disable();
    }
}
 
 
void PANEL_SYM_LIB_TABLE::onConvertLegacyLibraries( wxCommandEvent& event )
{
    if( !m_cur_grid->CommitPendingChanges() )
        return;
 
    wxArrayInt selectedRows = m_cur_grid->GetSelectedRows();
 
    if( selectedRows.empty() && m_cur_grid->GetGridCursorRow() >= 0 )
        selectedRows.push_back( m_cur_grid->GetGridCursorRow() );
 
    wxArrayInt legacyRows;
    wxString   databaseType = SCH_IO_MGR::ShowType( SCH_IO_MGR::SCH_DATABASE );
    wxString   kicadType = SCH_IO_MGR::ShowType( SCH_IO_MGR::SCH_KICAD );
    wxString   msg;
 
    for( int row : selectedRows )
    {
        if( m_cur_grid->GetCellValue( row, COL_TYPE ) != databaseType &&
            m_cur_grid->GetCellValue( row, COL_TYPE ) != kicadType )
        {
            legacyRows.push_back( row );
        }
    }
 
    if( legacyRows.size() <= 0 )
    {
        wxMessageBox( _( "Select one or more rows containing libraries "
                         "to save as current KiCad format (*.kicad_sym)." ) );
        return;
    }
    else
    {
        if( legacyRows.size() == 1 )
        {
            msg.Printf( _( "Save '%s' as current KiCad format (*.kicad_sym) "
                           "and replace legacy entry in table?" ),
                        m_cur_grid->GetCellValue( legacyRows[0], COL_NICKNAME ) );
        }
        else
        {
            msg.Printf( _( "Save %d libraries as current KiCad format (*.kicad_sym) "
                           "and replace legacy entries in table?" ),
                        (int) legacyRows.size() );
        }
 
        if( !IsOK( m_parent, msg ) )
            return;
    }
 
    for( int row : legacyRows )
    {
        wxString   libName = m_cur_grid->GetCellValue( row, COL_NICKNAME );
        wxString   relPath = m_cur_grid->GetCellValue( row, COL_URI );
        wxString   resolvedPath = ExpandEnvVarSubstitutions( relPath, m_project );
        wxFileName legacyLib( resolvedPath );
 
        if( !legacyLib.Exists() )
        {
            msg.Printf( _( "Library '%s' not found." ), relPath );
 
            wxWindow* topLevelParent = wxGetTopLevelParent( this );
 
            DisplayErrorMessage( topLevelParent, msg );
            continue;
        }
 
        wxFileName newLib( resolvedPath );
        newLib.SetExt( "kicad_sym" );
 
        if( newLib.Exists() )
        {
            msg.Printf( _( "File '%s' already exists. Do you want overwrite this file?" ),
                        newLib.GetFullPath() );
 
            switch( wxMessageBox( msg, _( "Migrate Library" ),
                                  wxYES_NO | wxCANCEL | wxICON_QUESTION, m_parent ) )
            {
            case wxYES:    break;
            case wxNO:     continue;
            case wxCANCEL: return;
            }
        }
 
        wxString options = m_cur_grid->GetCellValue( row, COL_OPTIONS );
        std::unique_ptr<std::map<std::string, UTF8>> props(
                LIB_TABLE::ParseOptions( options.ToStdString() ) );
 
        if( SCH_IO_MGR::ConvertLibrary( props.get(),
                                        legacyLib.GetFullPath(), newLib.GetFullPath() ) )
        {
            relPath = NormalizePath( newLib.GetFullPath(), &Pgm().GetLocalEnvVariables(),
                                     m_project );
 
            // Do not use the project path in the global library table.  This will almost
            // assuredly be wrong for a different project.
            if( m_cur_grid == m_global_grid && relPath.Contains( "${KIPRJMOD}" ) )
                relPath = newLib.GetFullPath();
 
            m_cur_grid->SetCellValue( row, COL_URI, relPath );
            m_cur_grid->SetCellValue( row, COL_TYPE, kicadType );
            m_cur_grid->SetCellValue( row, COL_OPTIONS, wxEmptyString );
        }
        else
        {
            msg.Printf( _( "Failed to save symbol library file '%s'." ), newLib.GetFullPath() );
 
            wxWindow* topLevelParent = wxGetTopLevelParent( this );
 
            DisplayErrorMessage( topLevelParent, msg );
        }
    }
}
 
 
bool PANEL_SYM_LIB_TABLE::TransferDataFromWindow()
{
    if( !m_cur_grid->CommitPendingChanges() )
        return false;
 
    if( !verifyTables() )
        return false;
 
    if( *global_model() != *m_globalTable )
    {
        m_parent->m_GlobalTableChanged = true;
        m_globalTable->TransferRows( global_model()->m_rows );
    }
 
    if( project_model() && *project_model() != *m_projectTable )
    {
        m_parent->m_ProjectTableChanged = true;
        m_projectTable->TransferRows( project_model()->m_rows );
    }
 
    return true;
}
 
 
void PANEL_SYM_LIB_TABLE::populateEnvironReadOnlyTable()
{
    wxRegEx re( ".*?(\\$\\{(.+?)\\})|(\\$\\((.+?)\\)).*?", wxRE_ADVANCED );
    wxASSERT( re.IsValid() );   // wxRE_ADVANCED is required.
 
    std::set< wxString > unique;
 
    // clear the table
    m_path_subs_grid->ClearRows();
 
    for( SYMBOL_LIB_TABLE_GRID* tbl : { global_model(), project_model() } )
    {
        if( !tbl )
            continue;
 
        for( int row = 0; row < tbl->GetNumberRows(); ++row )
        {
            wxString uri = tbl->GetValue( row, COL_URI );
 
            while( re.Matches( uri ) )
            {
                wxString envvar = re.GetMatch( uri, 2 );
 
                // if not ${...} form then must be $(...)
                if( envvar.IsEmpty() )
                    envvar = re.GetMatch( uri, 4 );
 
                // ignore duplicates
                unique.insert( envvar );
 
                // delete the last match and search again
                uri.Replace( re.GetMatch( uri, 0 ), wxEmptyString );
            }
        }
    }
 
    // Make sure this special environment variable shows up even if it was
    // not used yet.  It is automatically set by KiCad to the directory holding
    // the current project.
    unique.insert( PROJECT_VAR_NAME );
    unique.insert( SYMBOL_LIB_TABLE::GlobalPathEnvVariableName() );
 
    for( const wxString& evName : unique )
    {
        int row = m_path_subs_grid->GetNumberRows();
        m_path_subs_grid->AppendRows( 1 );
 
        m_path_subs_grid->SetCellValue( row, 0, wxT( "${" ) + evName + wxT( "}" ) );
        m_path_subs_grid->SetCellEditor( row, 0, new GRID_CELL_READONLY_TEXT_EDITOR() );
 
        wxString evValue;
        wxGetEnv( evName, &evValue );
        m_path_subs_grid->SetCellValue( row, 1, evValue );
        m_path_subs_grid->SetCellEditor( row, 1, new GRID_CELL_READONLY_TEXT_EDITOR() );
    }
 
    // No combobox editors here, but it looks better if its consistent with the other
    // grids in the dialog.
    m_path_subs_grid->SetDefaultRowSize( m_path_subs_grid->GetDefaultRowSize() + 2 );
 
    adjustPathSubsGridColumns( m_path_subs_grid->GetRect().GetWidth() );
}
 
 
void PANEL_SYM_LIB_TABLE::adjustPathSubsGridColumns( int aWidth )
{
    // Account for scroll bars
    aWidth -= ( m_path_subs_grid->GetSize().x - m_path_subs_grid->GetClientSize().x );
 
    m_path_subs_grid->AutoSizeColumn( 0 );
    m_path_subs_grid->SetColSize( 0, std::max( 72, m_path_subs_grid->GetColSize( 0 ) ) );
    m_path_subs_grid->SetColSize( 1, std::max( 120, aWidth - m_path_subs_grid->GetColSize( 0 ) ) );
}
 
 
void PANEL_SYM_LIB_TABLE::onSizeGrid( wxSizeEvent& event )
{
    adjustPathSubsGridColumns( event.GetSize().GetX() );
 
    event.Skip();
}
 
 
SYMBOL_LIB_TABLE_GRID* PANEL_SYM_LIB_TABLE::global_model() const
{
    return (SYMBOL_LIB_TABLE_GRID*) m_global_grid->GetTable();
}
 
 
SYMBOL_LIB_TABLE_GRID* PANEL_SYM_LIB_TABLE::project_model() const
{
    return m_project_grid ? (SYMBOL_LIB_TABLE_GRID*) m_project_grid->GetTable() : nullptr;
}
 
 
SYMBOL_LIB_TABLE_GRID* PANEL_SYM_LIB_TABLE::cur_model() const
{
    return (SYMBOL_LIB_TABLE_GRID*) m_cur_grid->GetTable();
}
 
 
size_t PANEL_SYM_LIB_TABLE::m_pageNdx = 0;
 
 
void InvokeSchEditSymbolLibTable( KIWAY* aKiway, wxWindow *aParent )
{
    auto* symbolEditor = (SYMBOL_EDIT_FRAME*) aKiway->Player( FRAME_SCH_SYMBOL_EDITOR, false );
 
    SYMBOL_LIB_TABLE* globalTable = &SYMBOL_LIB_TABLE::GetGlobalLibTable();
    wxString          globalTablePath = SYMBOL_LIB_TABLE::GetGlobalTableFileName();
    SYMBOL_LIB_TABLE* projectTable = nullptr;
    wxString          projectPath = aKiway->Prj().GetProjectPath();
    wxFileName        projectTableFn( projectPath, SYMBOL_LIB_TABLE::GetSymbolLibTableFileName() );
    wxString          msg;
    wxString          currentLib;
 
    // Don't allow editing project tables if no project is open
    if( !aKiway->Prj().IsNullProject() )
        projectTable = PROJECT_SCH::SchSymbolLibTable( &aKiway->Prj() );
 
    if( symbolEditor )
    {
        currentLib = symbolEditor->GetCurLib();
 
        // This prevents an ugly crash on OSX (https://bugs.launchpad.net/kicad/+bug/1765286)
        symbolEditor->FreezeLibraryTree();
 
        if( symbolEditor->HasLibModifications() )
        {
            msg = _( "Modifications have been made to one or more symbol libraries.\n"
                     "Changes must be saved or discarded before the symbol library "
                     "table can be modified." );
 
            switch( UnsavedChangesDialog( aParent, msg ) )
            {
            case wxID_YES:    symbolEditor->SaveAll();         break;
            case wxID_NO:     symbolEditor->RevertAll();       break;
            default:
            case wxID_CANCEL: symbolEditor->ThawLibraryTree(); return;
            }
        }
    }
 
    DIALOG_EDIT_LIBRARY_TABLES dlg( aParent, _( "Symbol Libraries" ) );
    dlg.SetKiway( &dlg, aKiway );
 
    dlg.InstallPanel( new PANEL_SYM_LIB_TABLE( &dlg, &aKiway->Prj(), globalTable, globalTablePath,
                                               projectTable, projectTableFn.GetFullPath() ) );
 
    if( dlg.ShowModal() == wxID_CANCEL )
    {
        if( symbolEditor )
            symbolEditor->ThawLibraryTree();
 
        return;
    }
 
    if( dlg.m_GlobalTableChanged )
    {
        try
        {
            globalTable->Save( globalTablePath );
        }
        catch( const IO_ERROR& ioe )
        {
            msg.Printf( _( "Error saving global library table:\n\n%s" ), ioe.What() );
            wxMessageBox( msg, _( "File Save Error" ), wxOK | wxICON_ERROR );
        }
    }
 
    if( projectTable && dlg.m_ProjectTableChanged )
    {
        try
        {
            projectTable->Save( projectTableFn.GetFullPath() );
        }
        catch( const IO_ERROR& ioe )
        {
            msg.Printf( _( "Error saving project-specific library table:\n\n%s" ), ioe.What() );
            wxMessageBox( msg, _( "File Save Error" ), wxOK | wxICON_ERROR );
        }
    }
 
    if( symbolEditor )
    {
        symbolEditor->ThawLibraryTree();
    }
 
    std::string payload = "";
    aKiway->ExpressMail( FRAME_SCH, MAIL_RELOAD_LIB, payload );
    aKiway->ExpressMail( FRAME_SCH_SYMBOL_EDITOR, MAIL_RELOAD_LIB, payload );
    aKiway->ExpressMail( FRAME_SCH_VIEWER, MAIL_RELOAD_LIB, payload );
}