kicad/eeschema/libedit/lib_manager.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017 CERN
* Copyright (C) 2019 KiCad Developers, see AUTHORS.txt for contributors.
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* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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:
* https://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
*/
#ifndef LIB_MANAGER_H
#define LIB_MANAGER_H
#include <map>
#include <list>
#include <deque>
#include <set>
#include <memory>
#include <wx/arrstr.h>
#include <symbol_tree_synchronizing_adapter.h>
#include <sch_screen.h>
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class LIB_ALIAS;
class LIB_PART;
class LIB_BUFFER;
class PART_LIB;
class SCH_PLUGIN;
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class LIB_EDIT_FRAME;
class SYMBOL_LIB_TABLE;
class SYMBOL_LIB_TABLE_ROW;
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/**
* Class to handle modifications to the symbol libraries.
*/
class LIB_MANAGER
{
public:
LIB_MANAGER( LIB_EDIT_FRAME& aFrame );
/**
* Updates the LIB_MANAGER data to synchronize with Symbol Library Table.
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*/
void Sync( bool aForce = false, std::function<void(int, int, const wxString&)> aProgressCallback
= [](int, int, const wxString&){} );
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int GetHash() const;
bool HasModifications() const;
/**
* Returns a library hash value to determine if it has changed.
*
* For buffered libraries, it returns a number corresponding to the number
* of modifications. For original libraries, hash is computed basing on the
* library URI. Returns -1 when the requested library does not exist.
*/
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int GetLibraryHash( const wxString& aLibrary ) const;
/**
* Returns the array of library names.
*/
wxArrayString GetLibraryNames() const;
/**
* Finds a single library within the (aggregate) library table.
*/
SYMBOL_LIB_TABLE_ROW* GetLibrary( const wxString& aLibrary ) const;
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/**
* Returns a set containing all part names for a specific library.
*/
wxArrayString GetAliasNames( const wxString& aLibrary ) const;
std::list<LIB_ALIAS*> GetAliases( const wxString& aLibrary ) const;
/**
* Creates an empty library and adds it to the library table. The library file is created.
*/
bool CreateLibrary( const wxString& aFilePath, SYMBOL_LIB_TABLE* aTable )
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{
return addLibrary( aFilePath, true, aTable );
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}
/**
* Adds an existing library. The library is added to the library table as well.
*/
bool AddLibrary( const wxString& aFilePath, SYMBOL_LIB_TABLE* aTable )
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{
return addLibrary( aFilePath, false, aTable );
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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.
*/
bool UpdatePart( LIB_PART* aPart, const wxString& aLibrary );
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/**
* Updates the part buffer with a new version of the part when the name has changed.
* The old library buffer will be deleted and a new one created with the new name.
*/
bool UpdatePartAfterRename( LIB_PART* aPart, const wxString& oldAlias,
const wxString& aLibrary );
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/**
* Removes the part from the part buffer.
* It is required to save the library to have the part removed in the schematic editor.
*/
bool RemovePart( const wxString& aName, const wxString& aLibrary );
/**
* Returns either an alias of a working LIB_PART copy, or alias of the original part if there
* is no working copy.
*/
LIB_ALIAS* GetAlias( const wxString& aAlias, const wxString& aLibrary ) const;
/**
* Returns the part copy from the buffer. In case it does not exist yet, the copy is created.
* LIB_MANAGER retains the ownership.
*/
LIB_PART* GetBufferedPart( const wxString& aAlias, const wxString& aLibrary );
/**
* Returns the screen used to edit a specific part. LIB_MANAGER retains the ownership.
*/
SCH_SCREEN* GetScreen( const wxString& aAlias, const wxString& aLibrary );
/**
* Returns true if part with a specific alias exists in library (either original one or buffered).
*/
bool PartExists( const wxString& aAlias, const wxString& aLibrary ) const;
/**
* Returns true if library exists. If \a aCheckEnabled is set, then the library must
* also be enabled in the library table.
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*/
bool LibraryExists( const wxString& aLibrary, bool aCheckEnabled = false ) const;
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/**
* Returns true if library has unsaved modifications.
*/
bool IsLibraryModified( const wxString& aLibrary ) const;
/**
* Returns true if part has unsaved modifications.
*/
bool IsPartModified( const wxString& aAlias, const wxString& aLibrary ) const;
/**
* Clears the modified flag for all parts in a library.
*/
bool ClearLibraryModified( const wxString& aLibrary ) const;
/**
* Clears the modified flag for a part.
*/
bool ClearPartModified( const wxString& aAlias, const wxString& aLibrary ) const;
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/**
* Returns true if the library is stored in a read-only file.
* @return True on success, false otherwise.
*/
bool IsLibraryReadOnly( const wxString& aLibrary ) const;
/**
* Saves part changes to the library copy used by the schematic editor. Not it is not
* necessarily saved to the file.
* @return True on success, false otherwise.
*/
bool FlushPart( const wxString& aAlias, const wxString& aLibrary );
/**
* Saves changes to the library copy used by the schematic editor. Note it is not
* necessarily saved to the file.
* @param aLibrary is the library name.
* @return True on success, false otherwise.
*/
bool FlushLibrary( const wxString& aLibrary );
/**
* Saves library to a file, including unsaved changes.
* @param aLibrary is the library name.
* @param aFileName is the target file name.
* @return True on success, false otherwise.
*/
bool SaveLibrary( const wxString& aLibrary, const wxString& aFileName );
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/**
* Saves all changes to libraries.
* @return True if all changes have been flushed successfully, false otherwise.
*/
bool FlushAll();
/**
* Reverts unsaved changes for a particular part.
* @return The LIB_ID of the reverted part (which may be different in the case
* of a rename)
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*/
LIB_ID RevertPart( const wxString& aAlias, const wxString& aLibrary );
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/**
* Reverts unsaved changes for a particular library.
* @return True on success, false otherwise.
*/
bool RevertLibrary( const wxString& aLibrary );
/**
* Revert all pending changes.
*
* @return True if all changes successfully reverted.
*/
bool RevertAll();
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/**
* Returns a library name that is not currently in use.
* Used for generating names for new libraries.
*/
wxString GetUniqueLibraryName() const;
/**
* Returns a component name that is not stored in a library.
* Used for generating names for new components.
*/
wxString GetUniqueComponentName( const wxString& aLibrary ) const;
/**
* Returns the adapter object that provides the stored data.
*/
LIB_TREE_MODEL_ADAPTER::PTR& GetAdapter() { return m_adapter; }
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/**
* Returns the currently modified library name.
*/
const wxString& GetCurrentLib() const
{
return m_currentLib;
}
/**
* Sets the currently modified library name.
*/
void SetCurrentLib( const wxString& aLibrary )
{
m_currentLib = aLibrary;
}
/**
* Returns the currently modified part name.
*/
const wxString& GetCurrentPart() const
{
return m_currentPart;
}
/**
* Sets the currently modified part name.
*/
void SetCurrentPart( const wxString& aPart )
{
m_currentPart = aPart;
}
/**
* Returns the current library and part name as LIB_ID.
*/
LIB_ID GetCurrentLibId() const
{
return LIB_ID( m_currentLib, m_currentPart );
}
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private:
///> Parent frame
LIB_EDIT_FRAME& m_frame;
///> Extracts library name basing on the file name
static wxString getLibraryName( const wxString& aFilePath );
///> Helper function to add either existing or create new library
bool addLibrary( const wxString& aFilePath, bool aCreate, SYMBOL_LIB_TABLE* aTable );
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///> Returns the current Symbol Library Table
SYMBOL_LIB_TABLE* symTable() const;
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///> Class to store a working copy of a LIB_PART object and editor context.
class PART_BUFFER
{
public:
PART_BUFFER( LIB_PART* aPart = nullptr, std::unique_ptr<SCH_SCREEN> aScreen = nullptr );
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~PART_BUFFER();
LIB_PART* GetPart() const { return m_part; }
void SetPart( LIB_PART* aPart );
LIB_PART* GetOriginal() const { return m_original; }
void SetOriginal( LIB_PART* aPart );
bool IsModified() const;
SCH_SCREEN* GetScreen() const { return m_screen.get(); }
///> Transfer the screen ownership
std::unique_ptr<SCH_SCREEN> RemoveScreen()
{
return std::move( m_screen );
}
bool SetScreen( std::unique_ptr<SCH_SCREEN> aScreen )
{
bool ret = !!m_screen;
m_screen = std::move( aScreen );
return ret;
}
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typedef std::shared_ptr<PART_BUFFER> PTR;
typedef std::weak_ptr<PART_BUFFER> WEAK_PTR;
private:
std::unique_ptr<SCH_SCREEN> m_screen;
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///> Working copy
LIB_PART* m_part;
///> Initial state of the part
LIB_PART* m_original;
};
///> Class to store a working copy of a library
class LIB_BUFFER
{
public:
LIB_BUFFER( const wxString& aLibrary )
: m_libName( aLibrary ), m_hash( 1 )
{
}
bool IsModified() const
{
if( !m_deleted.empty() )
return true;
for( const auto& partBuf : m_parts )
{
if( partBuf->IsModified() )
return true;
}
return false;
}
int GetHash() const
{
return m_hash;
}
///> Returns all alias names for stored parts
wxArrayString GetAliasNames() const;
///> Returns the working copy of a LIB_PART object with specified alias
LIB_PART* GetPart( const wxString& aAlias ) const
{
auto buf = GetBuffer( aAlias );
return buf ? buf->GetPart() : nullptr;
}
///> Creates a new buffer to store a part. LIB_BUFFER takes ownership of aCopy.
bool CreateBuffer( LIB_PART* aCopy, SCH_SCREEN* aScreen );
///> Updates the stored part. LIB_BUFFER takes ownership of aCopy.
bool UpdateBuffer( PART_BUFFER::PTR aPartBuf, LIB_PART* aCopy );
bool DeleteBuffer( PART_BUFFER::PTR aPartBuf );
void ClearDeletedBuffer()
{
m_deleted.clear();
}
///> Saves stored modifications to Symbol Lib Table. It may result in saving the symbol
///> to disk as well, depending on the row properties.
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bool SaveBuffer( PART_BUFFER::PTR aPartBuf, SYMBOL_LIB_TABLE* aLibTable );
///> Saves stored modifications using a plugin. aBuffer decides whether the changes
///> should be cached or stored directly to the disk (for SCH_LEGACY_PLUGIN).
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
PART_BUFFER::PTR GetBuffer( const wxString& aAlias ) const
{
auto it = m_aliases.find( aAlias );
return it != m_aliases.end() ? it->second.lock() : PART_BUFFER::PTR( nullptr );
}
///> Returns all buffered parts
const std::deque<PART_BUFFER::PTR>& GetBuffers() const
{
return m_parts;
}
///> Returns all aliases of buffered parts
const std::map<wxString, PART_BUFFER::WEAK_PTR>& GetAliases() const
{
return m_aliases;
}
private:
///> Creates alias entries for a particular part buffer
bool addAliases( PART_BUFFER::PTR aPartBuf );
///> Removes alias entries for a particular part buffer
bool removeAliases( PART_BUFFER::PTR aPartBuf );
std::map<wxString, PART_BUFFER::WEAK_PTR> m_aliases;
std::deque<PART_BUFFER::PTR> m_parts;
///> Buffer to keep deleted parts until the library is saved
std::deque<PART_BUFFER::PTR> m_deleted;
/// Buffered library name
const wxString m_libName;
int m_hash;
friend class PART_BUFFER;
};
///> Returns a set of LIB_PART objects belonging to the original library
std::set<LIB_PART*> getOriginalParts( const wxString& aLibrary );
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///> Returns an existing library buffer or creates one to using
///> Symbol Library Table to get the original data.
LIB_BUFFER& getLibraryBuffer( const wxString& aLibrary );
///> The library buffers
std::map<wxString, LIB_BUFFER> m_libs;
///> Symbol Lib Table hash value returned during the last synchronization
int m_syncHash;
///> Currently modified part
wxString m_currentLib;
///> Currently modified library
wxString m_currentPart;
SYMBOL_TREE_SYNCHRONIZING_ADAPTER::PTR m_adapter;
SYMBOL_TREE_SYNCHRONIZING_ADAPTER* getAdapter()
{
return static_cast<SYMBOL_TREE_SYNCHRONIZING_ADAPTER*>( m_adapter.get() );
}
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};
#endif /* LIB_MANAGER_H */