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 (C) 2017-2023 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 <common.h> // For ExpandEnvVarSubstitutions
#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>
 
 
 
// 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,
};
 
 
class SYMBOL_LIB_TABLE_GRID : public LIB_TABLE_GRID, public SYMBOL_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
 {
 LIB_TABLE_GRID::SetValue( aRow, aCol, aValue );
 
 // If setting a filepath, attempt to auto-detect the format
 if( aCol == COL_URI )
 {
 SCH_IO_MGR::SCH_FILE_T pluginType = SCH_IO_MGR::GuessPluginTypeFromLibPath( aValue );
 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;
 STRING_UTF8_MAP choices;
 
 SCH_IO_MGR::SCH_FILE_T pi_type = SCH_IO_MGR::EnumFromStr( row->GetType() );
 SCH_PLUGIN::SCH_PLUGIN_RELEASER pi( SCH_IO_MGR::FindPlugin( pi_type ) );
 pi->SymbolLibOptions( &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->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_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 );
 
 wxArrayString pluginChoices;
 
 pluginChoices.Add( SCH_IO_MGR::ShowType( SCH_IO_MGR::SCH_KICAD ) );
 pluginChoices.Add( SCH_IO_MGR::ShowType( SCH_IO_MGR::SCH_LEGACY ) );
 pluginChoices.Add( SCH_IO_MGR::ShowType( SCH_IO_MGR::SCH_DATABASE ) );
 pluginChoices.Add( SCH_IO_MGR::ShowType( SCH_IO_MGR::SCH_CADSTAR_ARCHIVE ) );
 
 EESCHEMA_SETTINGS* cfg = Pgm().GetSettingsManager().GetAppSettings<EESCHEMA_SETTINGS>();
 
 if( cfg->m_lastSymbolLibDir.IsEmpty() )
 cfg->m_lastSymbolLibDir = PATHS::GetDefaultUserSymbolsPath();
 
 m_lastProjectLibDir = m_project->GetProjectPath();
 
 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 combobox editors
 aGrid->SetDefaultRowSize( 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;
 
 attr = new wxGridCellAttr;
 
 wxString wildcards = AllSymbolLibFilesWildcard()
 + "|" + KiCadSymbolLibFileWildcard()
 + "|" + LegacySymbolLibFileWildcard();
 attr->SetEditor( new GRID_CELL_PATH_EDITOR( m_parent, aGrid,
 &cfg->m_lastSymbolLibDir, wildcards,
 true, m_project->GetProjectPath() ) );
 aGrid->SetColAttr( COL_URI, attr );
 
 attr = new wxGridCellAttr;
 attr->SetEditor( new wxGridCellChoiceEditor( 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 );
 };
 
 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( 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_browse_button->SetBitmap( KiBitmap( 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 (taht 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 == LegacySymbolLibFileExtension )
 return false;
 
 return true;
}
 
 
bool PANEL_SYM_LIB_TABLE::verifyTables()
{
 wxString msg;
 
 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." );
 
 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 );
 
 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 );
 
 wxMessageDialog errdlg( this, 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 ) );
 
 if( !row.GetParent() )
 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() );
 
 wxMessageDialog errdlg( this, msg + wxS( "\n" ) + ioe.What(),
 _( "Error Loading Library" ) );
 errdlg.ShowModal();
 
 return true;
 }
 }
 }
 
 return true;
}
 
 
void PANEL_SYM_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_SYM_LIB_TABLE::browseLibrariesHandler( wxCommandEvent& event )
{
 wxString wildcards = AllSymbolLibFilesWildcard()
 + "|" + KiCadSymbolLibFileWildcard()
 + "|" + LegacySymbolLibFileWildcard()
 + "|" + DatabaseLibFileWildcard();
 
 EESCHEMA_SETTINGS* cfg = Pgm().GetSettingsManager().GetAppSettings<EESCHEMA_SETTINGS>();
 
 wxString openDir = cfg->m_lastSymbolLibDir;
 
 if( m_cur_grid == m_project_grid )
 openDir = m_lastProjectLibDir;
 
 wxFileDialog dlg( this, _( "Select Library" ), openDir, wxEmptyString, wildcards,
 wxFD_OPEN | wxFD_FILE_MUST_EXIST | wxFD_MULTIPLE );
 
 if( dlg.ShowModal() == wxID_CANCEL )
 return;
 
 if( m_cur_grid == m_global_grid )
 cfg->m_lastSymbolLibDir = dlg.GetDirectory();
 else
 m_lastProjectLibDir = dlg.GetDirectory();
 
 const ENV_VAR_MAP& envVars = Pgm().GetLocalEnvVariables();
 bool addDuplicates = false;
 bool applyToAll = false;
 wxString warning = _( "Warning: Duplicate Nickname" );
 wxString msg = _( "A library nicknamed '%s' already exists." );
 wxString detailedMsg = _( "One of the nicknames will need to be changed after "
 "adding this library." );
 
 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( 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 );
 
 // attempt to auto-detect the plugin type
 SCH_IO_MGR::SCH_FILE_T pluginType = SCH_IO_MGR::GuessPluginTypeFromLibPath( filePath );
 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;
 
 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;
 
 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 )
 {
 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_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() )
 {
 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_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 legacyType = SCH_IO_MGR::ShowType( SCH_IO_MGR::SCH_LEGACY );
 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 ) == legacyType )
 legacyRows.push_back( row );
 }
 
 if( legacyRows.size() <= 0 )
 {
 wxMessageBox( _( "Select one or more rows containing libraries in Legacy format (*.lib) "
 "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 Legacy format 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 );
 DisplayErrorMessage( this, 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;
 }
 }
 
 if( convertLibrary( libName, 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 );
 }
 else
 {
 msg.Printf( _( "Failed to save symbol library file '%s'." ), newLib.GetFullPath() );
 DisplayErrorMessage( this, msg );
 }
 }
}
 
 
bool PANEL_SYM_LIB_TABLE::convertLibrary( const wxString& aLibrary, const wxString& legacyFilepath,
 const wxString& newFilepath )
{
 SCH_PLUGIN::SCH_PLUGIN_RELEASER legacyPI( SCH_IO_MGR::FindPlugin( SCH_IO_MGR::SCH_LEGACY ) );
 SCH_PLUGIN::SCH_PLUGIN_RELEASER kicadPI( SCH_IO_MGR::FindPlugin( SCH_IO_MGR::SCH_KICAD ) );
 std::vector<LIB_SYMBOL*> symbols;
 std::vector<LIB_SYMBOL*> newSymbols;
 std::map<LIB_SYMBOL*, LIB_SYMBOL*> symbolMap;
 
 try
 {
 // Write a stub file; SaveSymbol() expects something to be there already.
 FILE_OUTPUTFORMATTER* formatter = new FILE_OUTPUTFORMATTER( newFilepath );
 
 formatter->Print( 0, "(kicad_symbol_lib (version %d) (generator kicad_converter))",
 SEXPR_SYMBOL_LIB_FILE_VERSION );
 
 // This will write the file
 delete formatter;
 
 legacyPI->EnumerateSymbolLib( symbols, legacyFilepath );
 
 // Copy non-aliases first so we can build a map from symbols to newSymbols
 for( LIB_SYMBOL* symbol : symbols )
 {
 if( symbol->IsAlias() )
 continue;
 
 symbol->SetName( EscapeString( symbol->GetName(), CTX_LIBID ) );
 
 newSymbols.push_back( new LIB_SYMBOL( *symbol ) );
 symbolMap[symbol] = newSymbols.back();
 }
 
 // Now do the aliases using the map to hook them up to their newSymbol parents
 for( LIB_SYMBOL* symbol : symbols )
 {
 if( !symbol->IsAlias() )
 continue;
 
 symbol->SetName( EscapeString( symbol->GetName(), CTX_LIBID ) );
 
 newSymbols.push_back( new LIB_SYMBOL( *symbol ) );
 newSymbols.back()->SetParent( symbolMap[ symbol->GetParent().lock().get() ] );
 }
 
 // Finally write out newSymbols
 for( LIB_SYMBOL* symbol : newSymbols )
 {
 kicadPI->SaveSymbol( newFilepath, symbol );
 }
 }
 catch( ... )
 {
 return false;
 }
 
 return true;
}
 
 
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->Clear();
 m_globalTable->m_rows.transfer( m_globalTable->m_rows.end(), global_model()->m_rows.begin(),
 global_model()->m_rows.end(), global_model()->m_rows );
 m_globalTable->reindex();
 }
 
 if( project_model() && *project_model() != *m_projectTable )
 {
 m_parent->m_ProjectTableChanged = true;
 
 m_projectTable->Clear();
 m_projectTable->m_rows.transfer( m_projectTable->m_rows.end(), project_model()->m_rows.begin(),
 project_model()->m_rows.end(), project_model()->m_rows );
 m_projectTable->reindex();
 }
 
 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 = aKiway->Prj().SchSymbolLibTable();
 
 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 );
}