settings_manager.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2020 Jon Evans <[email protected]>
 * Copyright (C) 2020-2021 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/>.
 */
 
#ifndef _SETTINGS_MANAGER_H
#define _SETTINGS_MANAGER_H
 
#include <algorithm>
#include <mutex>
#include <typeinfo>
#include <core/wx_stl_compat.h> // for wxString hash
#include <settings/color_settings.h>
 
class COLOR_SETTINGS;
class COMMON_SETTINGS;
class KIWAY;
class PROJECT;
class PROJECT_FILE;
class REPORTER;
class wxSingleInstanceChecker;
class LOCKFILE;
 
 
#define PROJECT_BACKUPS_DIR_SUFFIX wxT( "-backups" )
 
 
class SETTINGS_MANAGER
{
public:
 SETTINGS_MANAGER( bool aHeadless = false );
 
 ~SETTINGS_MANAGER();
 
 bool IsOK() { return m_ok; }
 
 void SetKiway( KIWAY* aKiway ) { m_kiway = aKiway; }
 
 template<typename T>
 T* RegisterSettings( T* aSettings, bool aLoadNow = true )
 {
 return static_cast<T*>( registerSettings( aSettings, aLoadNow ) );
 }
 
 void Load();
 
 void Load( JSON_SETTINGS* aSettings );
 
 void Save();
 
 void Save( JSON_SETTINGS* aSettings );
 
 void FlushAndRelease( JSON_SETTINGS* aSettings, bool aSave = true );
 
 template<typename T>
 T* GetAppSettings()
 {
 T* ret = nullptr;
 size_t typeHash = typeid( T ).hash_code();
 
 if( m_app_settings_cache.count( typeHash ) )
 ret = dynamic_cast<T*>( m_app_settings_cache.at( typeHash ) );
 
 if( ret )
 return ret;
 
 auto it = std::find_if( m_settings.begin(), m_settings.end(),
 []( const std::unique_ptr<JSON_SETTINGS>& aSettings )
 {
 return dynamic_cast<T*>( aSettings.get() );
 } );
 
 if( it != m_settings.end() )
 {
 ret = dynamic_cast<T*>( it->get() );
 }
 else
 {
 throw std::runtime_error( "Tried to GetAppSettings before registering" );
 }
 
 m_app_settings_cache[typeHash] = ret;
 
 return ret;
 }
 
 COLOR_SETTINGS* GetColorSettings( const wxString& aName = "user" );
 
 std::vector<COLOR_SETTINGS*> GetColorSettingsList()
 {
 std::vector<COLOR_SETTINGS*> ret;
 
 for( const std::pair<const wxString, COLOR_SETTINGS*>& entry : m_color_settings )
 ret.push_back( entry.second );
 
 std::sort( ret.begin(), ret.end(), []( COLOR_SETTINGS* a, COLOR_SETTINGS* b )
 {
 return a->GetName() < b->GetName();
 } );
 
 return ret;
 }
 
 void SaveColorSettings( COLOR_SETTINGS* aSettings, const std::string& aNamespace = "" );
 
 COLOR_SETTINGS* AddNewColorSettings( const wxString& aFilename );
 
 COLOR_SETTINGS* GetMigratedColorSettings();
 
 COMMON_SETTINGS* GetCommonSettings() const { return m_common_settings; }
 
 wxString GetPathForSettingsFile( JSON_SETTINGS* aSettings );
 
 bool MigrateIfNeeded();
 
 void SetMigrationSource( const wxString& aSource ) { m_migration_source = aSource; }
 
 void SetMigrateLibraryTables( bool aMigrate = true ) { m_migrateLibraryTables = aMigrate; }
 
 bool GetPreviousVersionPaths( std::vector<wxString>* aName = nullptr );
 
 void ReloadColorSettings();
 
 bool LoadProject( const wxString& aFullPath, bool aSetActive = true );
 
 bool UnloadProject( PROJECT* aProject, bool aSave = true );
 
 bool IsProjectOpen() const;
 
 PROJECT& Prj() const;
 
 PROJECT* GetProject( const wxString& aFullPath ) const;
 
 std::vector<wxString> GetOpenProjects() const;
 
 bool SaveProject( const wxString& aFullPath = wxEmptyString, PROJECT* aProject = nullptr );
 
 void SaveProjectAs( const wxString& aFullPath, PROJECT* aProject = nullptr );
 
 void SaveProjectCopy( const wxString& aFullPath, PROJECT* aProject = nullptr );
 
 wxString GetProjectBackupsPath() const;
 
 bool BackupProject( REPORTER& aReporter ) const;
 
 bool TriggerBackupIfNeeded( REPORTER& aReporter ) const;
 
 static bool IsSettingsPathValid( const wxString& aPath );
 
 static wxString GetColorSettingsPath();
 
 static std::string GetSettingsVersion();
 
 static wxString GetUserSettingsPath();
private:
 JSON_SETTINGS* registerSettings( JSON_SETTINGS* aSettings, bool aLoadNow = true );
 
 static int compareVersions( const std::string& aFirst, const std::string& aSecond );
 
 static bool extractVersion( const std::string& aVersionString, int* aMajor = nullptr,
 int* aMinor = nullptr );
 
 COLOR_SETTINGS* loadColorSettingsByName( const wxString& aName );
 
 COLOR_SETTINGS* registerColorSettings( const wxString& aFilename, bool aAbsolutePath = false );
 
 void loadAllColorSettings();
 
 bool loadProjectFile( PROJECT& aProject );
 
 bool unloadProjectFile( PROJECT* aProject, bool aSave );
 
 // Helper to create built-in colors and register them
 void registerBuiltinColorSettings();
 
private:
 
 bool m_headless;
 
 KIWAY* m_kiway;
 
 std::vector<std::unique_ptr<JSON_SETTINGS>> m_settings;
 
 std::unordered_map<wxString, COLOR_SETTINGS*> m_color_settings;
 
 std::unordered_map<size_t, JSON_SETTINGS*> m_app_settings_cache;
 
 // Convenience shortcut
 COMMON_SETTINGS* m_common_settings;
 
 wxString m_migration_source;
 
 bool m_migrateLibraryTables;
 
 bool m_ok;
 
 std::vector<std::unique_ptr<PROJECT>> m_projects_list;
 
 std::map<wxString, PROJECT*> m_projects;
 
 std::map<wxString, PROJECT_FILE*> m_project_files;
 
 std::unique_ptr<LOCKFILE> m_project_lock;
 
 static wxString backupDateTimeFormat;
};
 
#endif