456 lines
14 KiB
C++
456 lines
14 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2017 CERN
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* @author Maciej Suminski <maciej.suminski@cern.ch>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* https://www.gnu.org/licenses/gpl-3.0.html
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* or you may search the http://www.gnu.org website for the version 3 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef LIB_MANAGER_H
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#define LIB_MANAGER_H
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#include <map>
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#include <list>
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#include <deque>
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#include <set>
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#include <memory>
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#include <wx/arrstr.h>
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#include <symbol_tree_synchronizing_adapter.h>
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#include <sch_screen.h>
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class LIB_ALIAS;
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class LIB_PART;
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class LIB_BUFFER;
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class PART_LIB;
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class SCH_PLUGIN;
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class LIB_EDIT_FRAME;
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class SYMBOL_LIB_TABLE;
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class SYMBOL_LIB_TABLE_ROW;
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/**
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* Class to handle modifications to the symbol libraries.
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*/
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class LIB_MANAGER
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{
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public:
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LIB_MANAGER( LIB_EDIT_FRAME& aFrame );
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/**
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* Updates the LIB_MANAGER data to synchronize with Symbol Library Table.
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*/
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void Sync( bool aForce = false, std::function<void(int, int, const wxString&)> aProgressCallback
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= [](int, int, const wxString&){} );
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int GetHash() const;
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/**
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* Retruns a library hash value to determine if it has changed.
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*
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* For buffered libraries, it returns a number corresponding to the number
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* of modifications. For original libraries, hash is computed basing on the
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* library URI. Returns -1 when the requested library does not exist.
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*/
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int GetLibraryHash( const wxString& aLibrary ) const;
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/**
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* Returns the array of library names.
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*/
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wxArrayString GetLibraryNames() const;
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/**
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* Finds a single library within the (aggregate) library table.
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*/
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SYMBOL_LIB_TABLE_ROW* GetLibrary( const wxString& aLibrary ) const;
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/**
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* Returns a set containing all part names for a specific library.
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*/
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wxArrayString GetAliasNames( const wxString& aLibrary ) const;
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std::list<LIB_ALIAS*> GetAliases( const wxString& aLibrary ) const;
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/**
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* Creates an empty library and adds it to the library table. The library file is created.
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*/
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bool CreateLibrary( const wxString& aFilePath, SYMBOL_LIB_TABLE* aTable )
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{
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return addLibrary( aFilePath, true, aTable );
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}
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/**
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* Adds an existing library. The library is added to the library table as well.
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*/
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bool AddLibrary( const wxString& aFilePath, SYMBOL_LIB_TABLE* aTable )
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{
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return addLibrary( aFilePath, false, aTable );
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}
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/**
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* Updates the part buffer with a new version of the part.
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* The library buffer creates a copy of the part.
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* It is required to save the library to use the updated part in the schematic editor.
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*/
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bool UpdatePart( LIB_PART* aPart, const wxString& aLibrary );
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/**
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* Updates the part buffer with a new version of the part when the name has changed.
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* The old library buffer will be deleted and a new one created with the new name.
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*/
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bool UpdatePartAfterRename( LIB_PART* aPart, const wxString& oldAlias,
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const wxString& aLibrary );
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/**
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* Removes the part from the part buffer.
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* It is required to save the library to have the part removed in the schematic editor.
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*/
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bool RemovePart( const wxString& aName, const wxString& aLibrary );
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/**
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* Returns either an alias of a working LIB_PART copy, or alias of the original part if there
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* is no working copy.
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*/
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LIB_ALIAS* GetAlias( const wxString& aAlias, const wxString& aLibrary ) const;
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/**
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* Returns the part copy from the buffer. In case it does not exist yet, the copy is created.
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* LIB_MANAGER retains the ownership.
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*/
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LIB_PART* GetBufferedPart( const wxString& aAlias, const wxString& aLibrary );
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/**
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* Returns the screen used to edit a specific part. LIB_MANAGER retains the ownership.
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*/
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SCH_SCREEN* GetScreen( const wxString& aAlias, const wxString& aLibrary );
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/**
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* Returns true if part with a specific alias exists in library (either original one or buffered).
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*/
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bool PartExists( const wxString& aAlias, const wxString& aLibrary ) const;
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/**
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* Returns true if library exists. If \a aCheckEnabled is set, then the library must
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* also be enabled in the library table.
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*/
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bool LibraryExists( const wxString& aLibrary, bool aCheckEnabled = false ) const;
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/**
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* Returns true if library has unsaved modifications.
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*/
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bool IsLibraryModified( const wxString& aLibrary ) const;
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/**
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* Returns true if part has unsaved modifications.
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*/
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bool IsPartModified( const wxString& aAlias, const wxString& aLibrary ) const;
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/**
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* Clears the modified flag for all parts in a library.
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*/
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bool ClearLibraryModified( const wxString& aLibrary ) const;
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/**
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* Clears the modified flag for a part.
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*/
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bool ClearPartModified( const wxString& aAlias, const wxString& aLibrary ) const;
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/**
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* Returns true if the library is stored in a read-only file.
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* @return True on success, false otherwise.
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*/
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bool IsLibraryReadOnly( const wxString& aLibrary ) const;
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/**
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* Saves part changes to the library copy used by the schematic editor. Not it is not
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* necessarily saved to the file.
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* @return True on success, false otherwise.
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*/
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bool FlushPart( const wxString& aAlias, const wxString& aLibrary );
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/**
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* Saves changes to the library copy used by the schematic editor. Note it is not
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* necessarily saved to the file.
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* @param aLibrary is the library name.
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* @return True on success, false otherwise.
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*/
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bool FlushLibrary( const wxString& aLibrary );
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/**
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* Saves library to a file, including unsaved changes.
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* @param aLibrary is the library name.
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* @param aFileName is the target file name.
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* @return True on success, false otherwise.
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*/
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bool SaveLibrary( const wxString& aLibrary, const wxString& aFileName );
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/**
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* Saves all changes to libraries.
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* @return True if all changes have been flushed successfully, false otherwise.
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*/
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bool FlushAll();
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/**
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* Reverts unsaved changes for a particular part.
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* @return The LIB_ID of the reverted part (which may be different in the case
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* of a rename)
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*/
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LIB_ID RevertPart( const wxString& aAlias, const wxString& aLibrary );
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/**
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* Reverts unsaved changes for a particular library.
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* @return True on success, false otherwise.
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*/
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bool RevertLibrary( const wxString& aLibrary );
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/**
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* Returns a library name that is not currently in use.
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* Used for generating names for new libraries.
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*/
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wxString GetUniqueLibraryName() const;
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/**
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* Returns a component name that is not stored in a library.
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* Used for generating names for new components.
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*/
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wxString GetUniqueComponentName( const wxString& aLibrary ) const;
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/**
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* Returns the adapter object that provides the stored data.
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*/
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LIB_TREE_MODEL_ADAPTER::PTR& GetAdapter() { return m_adapter; }
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/**
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* Returns the currently modified library name.
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*/
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const wxString& GetCurrentLib() const
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{
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return m_currentLib;
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}
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/**
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* Sets the currently modified library name.
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*/
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void SetCurrentLib( const wxString& aLibrary )
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{
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m_currentLib = aLibrary;
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}
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/**
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* Returns the currently modified part name.
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*/
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const wxString& GetCurrentPart() const
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{
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return m_currentPart;
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}
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/**
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* Sets the currently modified part name.
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*/
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void SetCurrentPart( const wxString& aPart )
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{
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m_currentPart = aPart;
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}
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/**
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* Returns the current library and part name as LIB_ID.
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*/
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LIB_ID GetCurrentLibId() const
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{
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return LIB_ID( m_currentLib, m_currentPart );
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}
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private:
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///> Parent frame
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LIB_EDIT_FRAME& m_frame;
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///> Extracts library name basing on the file name
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static wxString getLibraryName( const wxString& aFilePath );
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///> Helper function to add either existing or create new library
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bool addLibrary( const wxString& aFilePath, bool aCreate, SYMBOL_LIB_TABLE* aTable );
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///> Returns the current Symbol Library Table
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SYMBOL_LIB_TABLE* symTable() const;
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///> Class to store a working copy of a LIB_PART object and editor context.
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class PART_BUFFER
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{
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public:
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PART_BUFFER( LIB_PART* aPart = nullptr, std::unique_ptr<SCH_SCREEN> aScreen = nullptr );
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~PART_BUFFER();
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LIB_PART* GetPart() const { return m_part; }
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void SetPart( LIB_PART* aPart );
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LIB_PART* GetOriginal() const { return m_original; }
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void SetOriginal( LIB_PART* aPart );
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bool IsModified() const;
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SCH_SCREEN* GetScreen() const { return m_screen.get(); }
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///> Transfer the screen ownership
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std::unique_ptr<SCH_SCREEN> RemoveScreen()
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{
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return std::move( m_screen );
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}
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bool SetScreen( std::unique_ptr<SCH_SCREEN> aScreen )
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{
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bool ret = !!m_screen;
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m_screen = std::move( aScreen );
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return ret;
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}
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typedef std::shared_ptr<PART_BUFFER> PTR;
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typedef std::weak_ptr<PART_BUFFER> WEAK_PTR;
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private:
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std::unique_ptr<SCH_SCREEN> m_screen;
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///> Working copy
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LIB_PART* m_part;
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///> Initial state of the part
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LIB_PART* m_original;
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};
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///> Class to store a working copy of a library
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class LIB_BUFFER
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{
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public:
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LIB_BUFFER( const wxString& aLibrary )
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: m_libName( aLibrary ), m_hash( 1 )
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{
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}
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bool IsModified() const
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{
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if( !m_deleted.empty() )
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return true;
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for( const auto& partBuf : m_parts )
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{
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if( partBuf->IsModified() )
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return true;
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}
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return false;
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}
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int GetHash() const
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{
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return m_hash;
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}
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///> Returns all alias names for stored parts
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wxArrayString GetAliasNames() const;
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///> Returns the working copy of a LIB_PART object with specified alias
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LIB_PART* GetPart( const wxString& aAlias ) const
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{
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auto buf = GetBuffer( aAlias );
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return buf ? buf->GetPart() : nullptr;
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}
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///> Creates a new buffer to store a part. LIB_BUFFER takes ownership of aCopy.
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bool CreateBuffer( LIB_PART* aCopy, SCH_SCREEN* aScreen );
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///> Updates the stored part. LIB_BUFFER takes ownership of aCopy.
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bool UpdateBuffer( PART_BUFFER::PTR aPartBuf, LIB_PART* aCopy );
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bool DeleteBuffer( PART_BUFFER::PTR aPartBuf );
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void ClearDeletedBuffer()
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{
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m_deleted.clear();
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}
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///> Saves stored modifications to Symbol Lib Table. It may result in saving the symbol
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///> to disk as well, depending on the row properties.
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bool SaveBuffer( PART_BUFFER::PTR aPartBuf, SYMBOL_LIB_TABLE* aLibTable );
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///> Saves stored modificatiosn using a plugin. aBuffer decides whether the changes
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///> should be cached or stored directly to the disk (for SCH_LEGACY_PLUGIN).
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bool SaveBuffer( PART_BUFFER::PTR aPartBuf, SCH_PLUGIN* aPlugin, bool aBuffer );
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///> Returns a part buffer with LIB_PART holding a particular alias
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PART_BUFFER::PTR GetBuffer( const wxString& aAlias ) const
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{
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auto it = m_aliases.find( aAlias );
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return it != m_aliases.end() ? it->second.lock() : PART_BUFFER::PTR( nullptr );
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}
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///> Returns all buffered parts
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const std::deque<PART_BUFFER::PTR>& GetBuffers() const
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{
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return m_parts;
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}
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///> Returns all aliases of buffered parts
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const std::map<wxString, PART_BUFFER::WEAK_PTR>& GetAliases() const
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{
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return m_aliases;
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}
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private:
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///> Creates alias entries for a particular part buffer
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bool addAliases( PART_BUFFER::PTR aPartBuf );
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///> Removes alias entries for a particular part buffer
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bool removeAliases( PART_BUFFER::PTR aPartBuf );
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std::map<wxString, PART_BUFFER::WEAK_PTR> m_aliases;
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std::deque<PART_BUFFER::PTR> m_parts;
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///> Buffer to keep deleted parts until the library is saved
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std::deque<PART_BUFFER::PTR> m_deleted;
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/// Buffered library name
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const wxString m_libName;
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int m_hash;
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friend class PART_BUFFER;
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};
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///> Returns a set of LIB_PART objects belonging to the original library
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std::set<LIB_PART*> getOriginalParts( const wxString& aLibrary );
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///> Returns an existing library buffer or creates one to using
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///> Symbol Library Table to get the original data.
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LIB_BUFFER& getLibraryBuffer( const wxString& aLibrary );
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///> The library buffers
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std::map<wxString, LIB_BUFFER> m_libs;
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///> Symbol Lib Table hash value returned during the last synchronization
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int m_syncHash;
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///> Currently modified part
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wxString m_currentLib;
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///> Currently modified library
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wxString m_currentPart;
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SYMBOL_TREE_SYNCHRONIZING_ADAPTER::PTR m_adapter;
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SYMBOL_TREE_SYNCHRONIZING_ADAPTER* getAdapter() { return static_cast<SYMBOL_TREE_SYNCHRONIZING_ADAPTER*>( m_adapter.get() ); }
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};
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#endif /* LIB_MANAGER_H */
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