panel_fp_lib_table.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <[email protected]>
 * Copyright (C) 2013-2021 CERN
 * Copyright (C) 2012-2022 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 2
 * 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, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
 
/* TODO:
 
*) After any change to uri, reparse the environment variables.
 
*/
 
 
#include <set>
#include <wx/dir.h>
#include <wx/regex.h>
#include <wx/grid.h>
#include <wx/dirdlg.h>
#include <wx/filedlg.h>
 
#include <project.h>
#include <3d_viewer/eda_3d_viewer_frame.h> // for KICAD7_3DMODEL_DIR
#include <panel_fp_lib_table.h>
#include <lib_id.h>
#include <fp_lib_table.h>
#include <lib_table_lexer.h>
#include <invoke_pcb_dialog.h>
#include <bitmaps.h>
#include <lib_table_grid_tricks.h>
#include <widgets/wx_grid.h>
#include <widgets/std_bitmap_button.h>
#include <confirm.h>
#include <lib_table_grid.h>
#include <wildcards_and_files_ext.h>
#include <pgm_base.h>
#include <pcb_edit_frame.h>
#include <env_paths.h>
#include <dialogs/dialog_edit_library_tables.h>
#include <footprint_viewer_frame.h>
#include <footprint_edit_frame.h>
#include <kiway.h>
#include <kiway_express.h>
#include <widgets/grid_readonly_text_helpers.h>
#include <widgets/grid_text_button_helpers.h>
#include <pcbnew_id.h> // For ID_PCBNEW_END_LIST
#include <settings/settings_manager.h>
#include <paths.h>
#include <macros.h>
// clang-format off
 
struct SUPPORTED_FILE_TYPE
{
 wxString m_Description; 
 wxString m_FileFilter; 
 wxString m_FolderSearchExtension; 
 bool m_IsFile; 
 IO_MGR::PCB_FILE_T m_Plugin;
};
 
enum {
 ID_PANEL_FPLIB_ADD_KICADMOD = ID_PCBNEW_END_LIST,
 ID_PANEL_FPLIB_ADD_ALTIUM,
 ID_PANEL_FPLIB_ADD_EAGLE6,
 ID_PANEL_FPLIB_ADD_KICADLEGACY,
 ID_PANEL_FPLIB_ADD_GEDA,
};
 
static const std::map<int, SUPPORTED_FILE_TYPE>& fileTypes()
{
 /*
 * TODO(C++20): Clean this up
 * This is wrapped inside a function to prevent a static initialization order fiasco
 * with the file extension variables. Once C++20 is allowed in KiCad code, those file
 * extensions can be made constexpr and this can be removed from a function call and
 * placed in the file normally.
 */
 static const std::map<int, SUPPORTED_FILE_TYPE> fileTypes =
 {
 { ID_PANEL_FPLIB_ADD_KICADMOD,
 {
 wxT( "KiCad (folder with .kicad_mod files)" ), wxT( "" ),
 KiCadFootprintFileExtension, false, IO_MGR::KICAD_SEXP
 }
 },
 { ID_PANEL_FPLIB_ADD_ALTIUM,
 {
 "Altium (*.PcbLib)", AltiumFootprintLibPathWildcard(), "", true, IO_MGR::ALTIUM_DESIGNER
 }
 },
 { ID_PANEL_FPLIB_ADD_EAGLE6,
 {
 wxT( "Eagle 6.x (*.lbr)" ), EagleFootprintLibPathWildcard(), wxT( "" ),
 true, IO_MGR::EAGLE
 }
 },
 { ID_PANEL_FPLIB_ADD_KICADLEGACY,
 {
 wxT( "KiCad legacy (*.mod)" ), LegacyFootprintLibPathWildcard(), wxT( "" ),
 true, IO_MGR::LEGACY
 }
 },
 { ID_PANEL_FPLIB_ADD_GEDA,
 {
 wxT( "Geda (folder with *.fp files)" ), wxT( "" ),
 GedaPcbFootprintLibFileExtension, false, IO_MGR::GEDA_PCB
 }
 },
 };
 
 return fileTypes;
}
// clang-format on
 
 
class LIBRARY_TRAVERSER : public wxDirTraverser
{
public:
 LIBRARY_TRAVERSER( wxString aSearchExtension, wxString aInitialDir )
 : m_searchExtension( aSearchExtension ),
 m_currentDir( aInitialDir )
 {
 }
 
 virtual wxDirTraverseResult OnFile( const wxString& aFileName ) override
 {
 wxFileName file( aFileName );
 
 if( m_searchExtension.IsSameAs( file.GetExt(), false ) )
 m_foundDirs.insert( { m_currentDir, 1 } );
 
 return wxDIR_CONTINUE;
 }
 
 virtual wxDirTraverseResult OnOpenError( const wxString& aOpenErrorName ) override
 {
 m_failedDirs.insert( { aOpenErrorName, 1 } );
 return wxDIR_IGNORE;
 }
 
 bool HasDirectoryOpenFailures()
 {
 return m_failedDirs.size() > 0;
 }
 
 virtual wxDirTraverseResult OnDir( const wxString& aDirName ) override
 {
 m_currentDir = aDirName;
 return wxDIR_CONTINUE;
 }
 
 void GetPaths( wxArrayString& aPathArray )
 {
 for( std::pair<const wxString, int>& foundDirsPair : m_foundDirs )
 aPathArray.Add( foundDirsPair.first );
 }
 
 void GetFailedPaths( wxArrayString& aPathArray )
 {
 for( std::pair<const wxString, int>& failedDirsPair : m_failedDirs )
 aPathArray.Add( failedDirsPair.first );
 }
 
private:
 wxString m_searchExtension;
 wxString m_currentDir;
 std::unordered_map<wxString, int> m_foundDirs;
 std::unordered_map<wxString, int> m_failedDirs;
};
 
 
class FP_LIB_TABLE_GRID : public LIB_TABLE_GRID, public FP_LIB_TABLE
{
 friend class PANEL_FP_LIB_TABLE;
 friend class FP_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 FP_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:
 
 FP_LIB_TABLE_GRID( const FP_LIB_TABLE& aTableToEdit )
 {
 m_rows = aTableToEdit.m_rows;
 }
};
 
 
#define MYID_OPTIONS_EDITOR 15151
 
 
class FP_GRID_TRICKS : public LIB_TABLE_GRID_TRICKS
{
public:
 FP_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;
 
 void optionsEditor( int aRow )
 {
 FP_LIB_TABLE_GRID* tbl = (FP_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;
 
 InvokePluginOptionsEditor( m_dialog, row->GetNickName(), row->GetType(), options,
 &result );
 
 if( options != result )
 {
 row->SetOptions( result );
 m_grid->Refresh();
 }
 }
 }
 
 bool handleDoubleClick( wxGridEvent& aEvent ) override
 {
 if( aEvent.GetCol() == COL_OPTIONS )
 {
 optionsEditor( aEvent.GetRow() );
 return true;
 }
 
 return false;
 }
 
 void showPopupMenu( wxMenu& menu ) override
 {
 if( m_grid->GetGridCursorCol() == COL_OPTIONS )
 {
 menu.Append( MYID_OPTIONS_EDITOR, _( "Options Editor..." ), _( "Edit options" ) );
 menu.AppendSeparator();
 }
 
 LIB_TABLE_GRID_TRICKS::showPopupMenu( menu );
 }
 
 void doPopupSelection( wxCommandEvent& event ) override
 {
 if( event.GetId() == MYID_OPTIONS_EDITOR )
 optionsEditor( m_grid->GetGridCursorRow() );
 else
 LIB_TABLE_GRID_TRICKS::doPopupSelection( event );
 }
 
 void paste_text( const wxString& cb_text ) override
 {
 FP_LIB_TABLE_GRID* tbl = (FP_LIB_TABLE_GRID*) m_grid->GetTable();
 size_t ndx = cb_text.find( "(fp_lib_table" );
 
 if( ndx != std::string::npos )
 {
 // paste the FP_LIB_TABLE_ROWs of s-expression (fp_lib_table), starting
 // at column 0 regardless of current cursor column.
 
 STRING_LINE_READER slr( TO_UTF8( cb_text ), wxT( "Clipboard" ) );
  LIB_TABLE_LEXER lexer( &slr );
 FP_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->m_rows.replace( 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 );
 }
 }
};
 
 
PANEL_FP_LIB_TABLE::PANEL_FP_LIB_TABLE( DIALOG_EDIT_LIBRARY_TABLES* aParent,
 FP_LIB_TABLE* aGlobal, const wxString& aGlobalTblPath,
 FP_LIB_TABLE* aProject, const wxString& aProjectTblPath,
 const wxString& aProjectBasePath ) :
 PANEL_FP_LIB_TABLE_BASE( aParent ),
 m_global( aGlobal ),
 m_project( aProject ),
 m_projectBasePath( aProjectBasePath ),
 m_parent( aParent )
{
 m_global_grid->SetTable( new FP_LIB_TABLE_GRID( *aGlobal ), true );
 
 // add Cut, Copy, and Paste to wxGrids
 m_path_subs_grid->PushEventHandler( new GRID_TRICKS( m_path_subs_grid ) );
 
 wxArrayString choices;
 
 choices.Add( IO_MGR::ShowType( IO_MGR::KICAD_SEXP ) );
 choices.Add( IO_MGR::ShowType( IO_MGR::LEGACY ) );
 choices.Add( IO_MGR::ShowType( IO_MGR::ALTIUM_DESIGNER ) );
 choices.Add( IO_MGR::ShowType( IO_MGR::EAGLE ) );
 choices.Add( IO_MGR::ShowType( IO_MGR::GEDA_PCB ) );
 
 /* PCAD_PLUGIN does not support Footprint*() functions
 choices.Add( IO_MGR::ShowType( IO_MGR::PCAD ) );
 */
 PCBNEW_SETTINGS* cfg = Pgm().GetSettingsManager().GetAppSettings<PCBNEW_SETTINGS>();
 
 if( cfg->m_lastFootprintLibDir.IsEmpty() )
 cfg->m_lastFootprintLibDir = PATHS::GetDefaultUserFootprintsPath();
 
 m_lastProjectLibDir = m_projectBasePath;
 
 auto autoSizeCol =
 [&]( WX_GRID* aGrid, int aCol )
 {
 int prevWidth = aGrid->GetColSize( aCol );
 
 aGrid->AutoSizeColumn( aCol, false );
 aGrid->SetColSize( aCol, std::max( prevWidth, aGrid->GetColSize( aCol ) ) );
 };
 
 auto setupGrid =
 [&]( WX_GRID* aGrid )
 {
 // Give a bit more room for wxChoice editors
 aGrid->SetDefaultRowSize( aGrid->GetDefaultRowSize() + 4 );
 
 // add Cut, Copy, and Paste to wxGrids
 aGrid->PushEventHandler( new FP_GRID_TRICKS( m_parent, aGrid ) );
 
 aGrid->SetSelectionMode( wxGrid::wxGridSelectRows );
 
 wxGridCellAttr* attr;
 
 attr = new wxGridCellAttr;
 attr->SetEditor( new GRID_CELL_PATH_EDITOR( m_parent, aGrid,
 &cfg->m_lastFootprintLibDir,
 wxEmptyString, true,
 m_projectBasePath ) );
 aGrid->SetColAttr( COL_URI, attr );
 
 attr = new wxGridCellAttr;
 attr->SetEditor( new wxGridCellChoiceEditor( choices ) );
 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 );
 
 // No visibility control for footprint libraries yet; this feature is primarily
 // useful for database libraries and it's only implemented for schematic symbols
 // at the moment.
 aGrid->HideCol( COL_VISIBLE );
 
 // 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 );
 
 // 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 );
 };
 
 setupGrid( m_global_grid );
 
 populateEnvironReadOnlyTable();
 
 if( aProject )
 {
 m_project_grid->SetTable( new FP_LIB_TABLE_GRID( *aProject ), true );
 setupGrid( m_project_grid );
 }
 else
 {
 m_pageNdx = 0;
 m_notebook->DeletePage( 1 );
 m_project_grid = nullptr;
 }
 
 m_path_subs_grid->SetColLabelValue( 0, _( "Name" ) );
 m_path_subs_grid->SetColLabelValue( 1, _( "Value" ) );
 
 // select the last selected page
 m_notebook->SetSelection( m_pageNdx );
 m_cur_grid = ( m_pageNdx == 0 ) ? m_global_grid : m_project_grid;
 
 // 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( KiBitmap( BITMAPS::small_plus ) );
 m_delete_button->SetBitmap( KiBitmap( BITMAPS::small_trash ) );
 m_move_up_button->SetBitmap( KiBitmap( BITMAPS::small_up ) );
 m_move_down_button->SetBitmap( KiBitmap( BITMAPS::small_down ) );
 m_browseButton->SetBitmap( KiBitmap( BITMAPS::small_folder ) );
 
 // For aesthetic reasons, we must set the size of m_browseButton to match the other bitmaps
 // manually (for instance m_append_button)
 Layout(); // Needed at least on MSW to compute the actual buttons sizes, after initializing
 // their bitmaps
 wxSize buttonSize = m_append_button->GetSize();
 
 m_browseButton->SetWidthPadding( 4 );
 m_browseButton->SetMinSize( buttonSize );
 
 // Populate the browse library options
 wxMenu* browseMenu = m_browseButton->GetSplitButtonMenu();
 
 for( const std::pair<const int, SUPPORTED_FILE_TYPE>& fileType : fileTypes() )
 {
 browseMenu->Append( fileType.first, fileType.second.m_Description );
 
 browseMenu->Bind( wxEVT_COMMAND_MENU_SELECTED, &PANEL_FP_LIB_TABLE::browseLibrariesHandler,
 this, fileType.first );
 }
 
 Layout();
 
 // This is the button only press for the browse button instead of the menu
 m_browseButton->Bind( wxEVT_BUTTON, &PANEL_FP_LIB_TABLE::browseLibrariesHandler, this );
}
 
 
PANEL_FP_LIB_TABLE::~PANEL_FP_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_FP_LIB_TABLE::verifyTables()
{
 wxString msg;
 
 for( FP_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." );
 
 wxMessageDialog badCellDlg( this, 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" ) ) );
 
 if( badCellDlg.ShowModal() == wxID_NO )
 return false;
 
 // 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 );
 
 wxMessageDialog errdlg( this, msg, _( "Library Nickname Error" ) );
 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 );
 model->SetValue( r, COL_URI, uri );
 
 // Make sure to not save a hidden flag
 model->SetValue( r, COL_VISIBLE, wxS( "1" ) );
 
 ++r; // this row was OK.
 }
 }
 }
 
 // check for duplicate nickNames, separately in each table.
 for( FP_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 );
 
 wxMessageDialog errdlg( this, msg, _( "Library Nickname Error" ) );
 errdlg.ShowModal();
 return false;
 }
 }
 }
 }
 
 return true;
}
 
 
void PANEL_FP_LIB_TABLE::OnUpdateUI( wxUpdateUIEvent& event )
{
 m_pageNdx = (unsigned) std::max( 0, m_notebook->GetSelection() );
 m_cur_grid = m_pageNdx == 0 ? m_global_grid : m_project_grid;
}
 
 
void PANEL_FP_LIB_TABLE::appendRowHandler( wxCommandEvent& event )
{
 if( !m_cur_grid->CommitPendingChanges() )
 return;
 
 if( m_cur_grid->AppendRows( 1 ) )
 {
 int last_row = m_cur_grid->GetNumberRows() - 1;
 
 // wx documentation is wrong, SetGridCursor does not make visible.
 m_cur_grid->MakeCellVisible( last_row, 0 );
 m_cur_grid->SetGridCursor( last_row, 1 );
 m_cur_grid->EnableCellEditControl( true );
 m_cur_grid->ShowCellEditControl();
 }
}
 
 
void PANEL_FP_LIB_TABLE::deleteRowHandler( wxCommandEvent& event )
{
 if( !m_cur_grid->CommitPendingChanges() )
 return;
 
 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 any
 // 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;
 
 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_FP_LIB_TABLE::moveUpHandler( wxCommandEvent& event )
{
 if( !m_cur_grid->CommitPendingChanges() )
 return;
 
 FP_LIB_TABLE_GRID* tbl = cur_model();
 int curRow = m_cur_grid->GetGridCursorRow();
 
 // @todo: add multiple selection moves.
 if( curRow >= 1 )
 {
 boost::ptr_vector< LIB_TABLE_ROW >::auto_type move_me =
 tbl->m_rows.release( tbl->m_rows.begin() + curRow );
 
 --curRow;
 tbl->m_rows.insert( tbl->m_rows.begin() + curRow, move_me.release() );
 
 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_FP_LIB_TABLE::moveDownHandler( wxCommandEvent& event )
{
 if( !m_cur_grid->CommitPendingChanges() )
 return;
 
 FP_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() )
 {
 boost::ptr_vector< LIB_TABLE_ROW >::auto_type move_me =
 tbl->m_rows.release( tbl->m_rows.begin() + curRow );
 
 ++curRow;
 tbl->m_rows.insert( tbl->m_rows.begin() + curRow, move_me.release() );
 
 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_FP_LIB_TABLE::browseLibrariesHandler( wxCommandEvent& event )
{
 if( !m_cur_grid->CommitPendingChanges() )
 return;
 
 std::map<int, SUPPORTED_FILE_TYPE>::const_iterator fileTypeIt;
 
 // We are bound both to the menu and button with this one handler
 // So we must set the file type based on it
 if( event.GetEventType() == wxEVT_BUTTON )
 {
 // Let's default to adding a kicad footprint file for just the footprint
 fileTypeIt = fileTypes().find( ID_PANEL_FPLIB_ADD_KICADMOD );
 }
 else
 {
 fileTypeIt = fileTypes().find( event.GetId() );
 }
 
 if( fileTypeIt == fileTypes().end() )
 {
 wxLogWarning( wxT( "File type selection event received but could not find the file type "
 "in the table" ) );
 return;
 }
 
 SUPPORTED_FILE_TYPE fileType = fileTypeIt->second;
 
 PCBNEW_SETTINGS* cfg = Pgm().GetSettingsManager().GetAppSettings<PCBNEW_SETTINGS>();
 
 wxArrayString files;
 
 wxString title;
 
 title.Printf( _( "Select %s Library" ), fileType.m_Description );
 
 wxString openDir = cfg->m_lastFootprintLibDir;
 
 if( m_cur_grid == m_project_grid )
 openDir = m_lastProjectLibDir;
 
 if( fileType.m_IsFile )
 {
 wxFileDialog dlg( this, title, openDir, wxEmptyString, fileType.m_FileFilter,
 wxFD_OPEN | wxFD_FILE_MUST_EXIST | wxFD_MULTIPLE );
 
 int result = dlg.ShowModal();
 
 if( result == wxID_CANCEL )
 return;
 
 dlg.GetPaths( files );
 
 if( m_cur_grid == m_global_grid )
 cfg->m_lastFootprintLibDir = dlg.GetDirectory();
 else
 m_lastProjectLibDir = dlg.GetDirectory();
 }
 else
 {
#if wxCHECK_VERSION( 3, 1, 4 ) // 3.1.4 required for wxDD_MULTIPLE
 wxDirDialog dlg( nullptr, title, openDir,
 wxDD_DEFAULT_STYLE | wxDD_DIR_MUST_EXIST | wxDD_MULTIPLE );
 
 int result = dlg.ShowModal();
 
 if( result == wxID_CANCEL )
 return;
 
 dlg.GetPaths( files );
#else
 wxDirDialog dlg( nullptr, title, openDir, wxDD_DEFAULT_STYLE | wxDD_DIR_MUST_EXIST );
 
 int result = dlg.ShowModal();
 
 if( result == wxID_CANCEL )
 return;
 
 // is there a file extension configured to hunt out their containing folders?
 if( fileType.m_FolderSearchExtension != "" )
 {
 wxDir rootDir( dlg.GetPath() );
 
 LIBRARY_TRAVERSER traverser( fileType.m_FolderSearchExtension, rootDir.GetName() );
 rootDir.Traverse( traverser );
 
 traverser.GetPaths( files );
 
 if( traverser.HasDirectoryOpenFailures() )
 {
 wxArrayString failedDirs;
 traverser.GetPaths( failedDirs );
 wxString detailedMsg = _( "The following directories could not be opened: \n" );
 
 for( const wxString& path : failedDirs )
 detailedMsg << path << wxT( "\n" );
 
 DisplayErrorMessage( this, _( "Failed to open directories to look for libraries" ),
 detailedMsg );
 }
 }
 else
 {
 files.Add( dlg.GetPath() );
 }
#endif
 
 if( !files.IsEmpty() )
 {
 wxFileName first( files.front() );
 
 if( m_cur_grid == m_global_grid )
 cfg->m_lastFootprintLibDir = first.GetPath();
 else
 m_lastProjectLibDir = first.GetPath();
 }
 }
 
 // Drop the last directory if the path is a .pretty folder
 if( cfg->m_lastFootprintLibDir.EndsWith( KiCadFootprintLibPathExtension ) )
 cfg->m_lastFootprintLibDir = cfg->m_lastFootprintLibDir.BeforeLast( wxFileName::GetPathSeparator() );
 
 const ENV_VAR_MAP& envVars = Pgm().GetLocalEnvVariables();
 bool addDuplicates = false;
 bool applyToAll = false;
 wxString warning = _( "Warning: Duplicate Nicknames" );
 wxString msg = _( "A library nicknamed '%s' already exists." );
 wxString detailedMsg = _( "One of the nicknames will need to be changed after "
 "adding this library." );
 
 for( const wxString& filePath : files )
 {
 wxFileName fn( filePath );
 wxString nickname = LIB_ID::FixIllegalChars( fn.GetName(), true );
 bool doAdd = true;
 
 if( fileType.m_Plugin == IO_MGR::KICAD_SEXP && fn.GetExt() != KiCadFootprintLibPathExtension )
 nickname = LIB_ID::FixIllegalChars( fn.GetFullName(), true );
 
 if( cur_model()->ContainsNickname( nickname ) )
 {
 if( !applyToAll )
 {
 // The cancel button adds the library to the table anyway
 addDuplicates = OKOrCancelDialog( this, warning, wxString::Format( msg, nickname ),
 detailedMsg, _( "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 );
 
 m_cur_grid->SetCellValue( last_row, COL_TYPE, IO_MGR::ShowType( fileType.m_Plugin ) );
 
 // try to use path normalized to an environmental variable or project path
 wxString path = NormalizePath( filePath, &envVars, m_projectBasePath );
 
 // 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( wxT( "${KIPRJMOD}" ) ) )
 path = fn.GetFullPath();
 
 m_cur_grid->SetCellValue( last_row, COL_URI, path );
 }
 }
 
 if( !files.IsEmpty() )
 {
 int new_row = m_cur_grid->GetNumberRows() - 1;
 m_cur_grid->MakeCellVisible( new_row, m_cur_grid->GetGridCursorCol() );
 m_cur_grid->SetGridCursor( new_row, m_cur_grid->GetGridCursorCol() );
 }
}
 
 
void PANEL_FP_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_FP_LIB_TABLE::onSizeGrid( wxSizeEvent& event )
{
 adjustPathSubsGridColumns( event.GetSize().GetX() );
 
 event.Skip();
}
 
 
bool PANEL_FP_LIB_TABLE::TransferDataFromWindow()
{
 if( !m_cur_grid->CommitPendingChanges() )
 return false;
 
 if( verifyTables() )
 {
 if( *global_model() != *m_global )
 {
 m_parent->m_GlobalTableChanged = true;
 
 m_global->Clear();
 m_global->m_rows.transfer( m_global->m_rows.end(), global_model()->m_rows.begin(),
 global_model()->m_rows.end(), global_model()->m_rows );
 m_global->reindex();
 }
 
 if( project_model() && *project_model() != *m_project )
 {
 m_parent->m_ProjectTableChanged = true;
 
 m_project->Clear();
 m_project->m_rows.transfer( m_project->m_rows.end(), project_model()->m_rows.begin(),
 project_model()->m_rows.end(), project_model()->m_rows );
 m_project->reindex();
 }
 
 return true;
 }
 
 return false;
}
 
 
void PANEL_FP_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( FP_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( FP_LIB_TABLE::GlobalPathEnvVariableName() );
 // This special environment variable is used to locate 3d shapes
 unique.insert( KICAD7_3DMODEL_DIR );
 
 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() );
}
 
//-----</event handlers>---------------------------------
 
 
 
size_t PANEL_FP_LIB_TABLE::m_pageNdx = 0;
 
 
void InvokePcbLibTableEditor( KIWAY* aKiway, wxWindow* aCaller )
{
 FP_LIB_TABLE* globalTable = &GFootprintTable;
 wxString globalTablePath = FP_LIB_TABLE::GetGlobalTableFileName();
 FP_LIB_TABLE* projectTable = aKiway->Prj().PcbFootprintLibs();
 wxString projectTablePath = aKiway->Prj().FootprintLibTblName();
 wxString msg;
 
 DIALOG_EDIT_LIBRARY_TABLES dlg( aCaller, _( "Footprint Libraries" ) );
 dlg.SetKiway( &dlg, aKiway );
 
 if( aKiway->Prj().IsNullProject() )
 projectTable = nullptr;
 
 dlg.InstallPanel( new PANEL_FP_LIB_TABLE( &dlg, globalTable, globalTablePath,
 projectTable, projectTablePath,
 aKiway->Prj().GetProjectPath() ) );
 
 if( dlg.ShowModal() == wxID_CANCEL )
 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( projectTablePath );
 }
 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 );
 }
 }
 
 auto editor = (FOOTPRINT_EDIT_FRAME*) aKiway->Player( FRAME_FOOTPRINT_EDITOR, false );
 
 if( editor )
 {
 editor->SyncLibraryTree( true );
 editor->RefreshLibraryTree();
 }
 
 auto viewer = (FOOTPRINT_VIEWER_FRAME*) aKiway->Player( FRAME_FOOTPRINT_VIEWER, false );
 
 if( viewer )
 viewer->ReCreateLibraryList();
 
 std::string payload = "";
 aKiway->ExpressMail( FRAME_CVPCB, MAIL_RELOAD_LIB, payload );
}