kicad/eeschema/eeschema_helpers.cpp

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2022-10-26 21:59:33 +00:00
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 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 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, you may find one here:
* http://www.gnu.org/licenses/gpl-3.0.html
* or you may search the http://www.gnu.org website for the version 3 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <eeschema_helpers.h>
#include <sch_edit_frame.h>
#include <settings/settings_manager.h>
#include <wildcards_and_files_ext.h>
#include <schematic.h>
#include <sch_io_mgr.h>
#include <locale_io.h>
#include <wx/app.h>
#include <connection_graph.h>
SCH_EDIT_FRAME* EESCHEMA_HELPERS::s_SchEditFrame = nullptr;
SETTINGS_MANAGER* EESCHEMA_HELPERS::s_SettingsManager = nullptr;
void EESCHEMA_HELPERS::SetSchEditFrame( SCH_EDIT_FRAME* aSchEditFrame )
{
s_SchEditFrame = aSchEditFrame;
}
SETTINGS_MANAGER* EESCHEMA_HELPERS::GetSettingsManager()
{
if( !s_SettingsManager )
{
if( s_SchEditFrame )
{
s_SettingsManager = s_SchEditFrame->GetSettingsManager();
}
else
{
s_SettingsManager = new SETTINGS_MANAGER( true );
}
}
return s_SettingsManager;
}
PROJECT* EESCHEMA_HELPERS::GetDefaultProject()
{
// For some reasons, LoadProject() needs a C locale, so ensure we have the right locale
// This is mainly when running QA Python tests
LOCALE_IO dummy;
PROJECT* project = GetSettingsManager()->GetProject( "" );
if( !project )
{
GetSettingsManager()->LoadProject( "" );
project = GetSettingsManager()->GetProject( "" );
}
return project;
}
SCHEMATIC* EESCHEMA_HELPERS::LoadSchematic( wxString& aFileName )
{
if( aFileName.EndsWith( KiCadSchematicFileExtension ) )
return LoadSchematic( aFileName, SCH_IO_MGR::SCH_KICAD );
else if( aFileName.EndsWith( LegacySchematicFileExtension ) )
return LoadSchematic( aFileName, SCH_IO_MGR::SCH_LEGACY );
// as fall back for any other kind use the legacy format
return LoadSchematic( aFileName, SCH_IO_MGR::SCH_LEGACY );
}
SCHEMATIC* EESCHEMA_HELPERS::LoadSchematic( wxString& aFileName, SCH_IO_MGR::SCH_FILE_T aFormat )
{
wxFileName pro = aFileName;
pro.SetExt( ProjectFileExtension );
pro.MakeAbsolute();
wxString projectPath = pro.GetFullPath();
// Ensure the "C" locale is temporary set, before reading any file
// It also avoid wxWidget alerts about locale issues, later, when using Python 3
LOCALE_IO dummy;
PROJECT* project = GetSettingsManager()->GetProject( projectPath );
if( !project )
{
if( wxFileExists( projectPath ) )
{
GetSettingsManager()->LoadProject( projectPath, false );
project = GetSettingsManager()->GetProject( projectPath );
}
}
else if( s_SchEditFrame && project == &GetSettingsManager()->Prj() )
{
// Project is already loaded? Then so is the board
return &s_SchEditFrame->Schematic();
}
// Board cannot be loaded without a project, so create the default project
if( !project )
project = GetDefaultProject();
SCH_PLUGIN* plugin = SCH_IO_MGR::FindPlugin( aFormat );
SCH_PLUGIN::SCH_PLUGIN_RELEASER pi( plugin );
SCHEMATIC* schematic = new SCHEMATIC( project );
try
{
schematic->SetRoot( pi->Load( aFileName, schematic ) );
}
catch( ... )
{
return nullptr;
}
SCH_SHEET_LIST sheetList = schematic->GetSheets();
SCH_SCREENS schematicScreenRoot( schematic->Root() );
for( SCH_SCREEN* screen = schematicScreenRoot.GetFirst(); screen;
screen = schematicScreenRoot.GetNext() )
screen->UpdateLocalLibSymbolLinks();
if( schematic->RootScreen()->GetFileFormatVersionAtLoad() < 20221002 )
sheetList.UpdateSymbolInstances( schematic->RootScreen()->GetSymbolInstances() );
sheetList.UpdateSheetInstances( schematic->RootScreen()->GetSheetInstances() );
schematic->ConnectionGraph()->Reset();
schematic->SetSheetNumberAndCount();
schematic->RecomputeIntersheetRefs( true, []( SCH_GLOBALLABEL* ) { } );
schematic->CurrentSheet().UpdateAllScreenReferences();
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schematic->CurrentSheet().LastScreen()->TestDanglingEnds( nullptr, nullptr );
return schematic;
}