kicad/eeschema/libedit/libedit_undo_redo.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2007 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2014-2020 KiCad Developers, see CHANGELOG.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 2
* 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/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <fctsys.h>
#include <sch_draw_panel.h>
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#include <lib_edit_frame.h>
#include <class_libentry.h>
#include <lib_manager.h>
#include <widgets/lib_tree.h>
#include <symbol_tree_pane.h>
#include <tool/tool_manager.h>
#include <tools/ee_actions.h>
#include <tools/ee_selection_tool.h>
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void LIB_EDIT_FRAME::SaveCopyInUndoList( EDA_ITEM* ItemToCopy, UNDO_REDO undoType, bool aAppend )
{
wxASSERT_MSG( !aAppend, "Append not needed/supported for LibEdit" );
if( !ItemToCopy )
return;
LIB_PART* copyItem;
PICKED_ITEMS_LIST* lastcmd = new PICKED_ITEMS_LIST();
copyItem = new LIB_PART( * (LIB_PART*) ItemToCopy );
// Clear current flags (which can be temporary set by a current edit command).
copyItem->ClearTempFlags();
copyItem->ClearEditFlags();
copyItem->SetFlags( UR_TRANSIENT );
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ITEM_PICKER wrapper( GetScreen(), copyItem, undoType );
lastcmd->PushItem( wrapper );
PushCommandToUndoList( lastcmd );
// Clear redo list, because after new save there is no redo to do.
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ClearUndoORRedoList( REDO_LIST );
}
void LIB_EDIT_FRAME::GetComponentFromRedoList()
{
if( GetRedoCommandCount() <= 0 )
return;
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m_toolManager->RunAction( EE_ACTIONS::clearSelection, true );
// Load the last redo entry
PICKED_ITEMS_LIST* redoCommand = PopCommandFromRedoList();
ITEM_PICKER redoWrapper = redoCommand->PopItem();
delete redoCommand;
LIB_PART* part = (LIB_PART*) redoWrapper.GetItem();
wxCHECK( part, /* void */ );
part->ClearFlags( UR_TRANSIENT );
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UNDO_REDO undoRedoType = redoWrapper.GetStatus();
// Store the current part in the undo buffer
PICKED_ITEMS_LIST* undoCommand = new PICKED_ITEMS_LIST();
LIB_PART* oldPart = m_my_part;
oldPart->SetFlags( UR_TRANSIENT );
ITEM_PICKER undoWrapper( GetScreen(), oldPart, undoRedoType );
undoCommand->PushItem( undoWrapper );
PushCommandToUndoList( undoCommand );
// Do not delete the previous part by calling SetCurPart( part )
// which calls delete <previous part>.
// <previous part> is now put in undo list and is owned by this list
// Just set the current part to the part which come from the redo list
m_my_part = part;
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if( undoRedoType == UNDO_REDO::LIB_RENAME )
{
wxString lib = GetCurLib();
m_libMgr->UpdatePartAfterRename( part, oldPart->GetName(), lib );
// Reselect the renamed part
m_treePane->GetLibTree()->SelectLibId( LIB_ID( lib, part->GetName() ) );
}
RebuildSymbolUnitsList();
SetShowDeMorgan( part->HasConversion() );
updateTitle();
RebuildView();
OnModify();
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}
void LIB_EDIT_FRAME::GetComponentFromUndoList()
{
if( GetUndoCommandCount() <= 0 )
return;
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m_toolManager->RunAction( EE_ACTIONS::clearSelection, true );
// Load the last undo entry
PICKED_ITEMS_LIST* undoCommand = PopCommandFromUndoList();
ITEM_PICKER undoWrapper = undoCommand->PopItem();
delete undoCommand;
LIB_PART* part = (LIB_PART*) undoWrapper.GetItem();
wxCHECK( part, /* void */ );
part->ClearFlags( UR_TRANSIENT );
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UNDO_REDO undoRedoType = undoWrapper.GetStatus();
// Store the current part in the redo buffer
PICKED_ITEMS_LIST* redoCommand = new PICKED_ITEMS_LIST();
LIB_PART* oldPart = m_my_part;
oldPart->SetFlags( UR_TRANSIENT );
ITEM_PICKER redoWrapper( GetScreen(), oldPart, undoRedoType );
redoCommand->PushItem( redoWrapper );
PushCommandToRedoList( redoCommand );
// Do not delete the previous part by calling SetCurPart( part ),
// which calls delete <previous part>.
// <previous part> is now put in redo list and is owned by this list.
// Just set the current part to the part which come from the undo list
m_my_part = part;
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if( undoRedoType == UNDO_REDO::LIB_RENAME )
{
wxString lib = GetCurLib();
m_libMgr->UpdatePartAfterRename( part, oldPart->GetName(), lib );
// Reselect the renamed part
m_treePane->GetLibTree()->SelectLibId( LIB_ID( lib, part->GetName() ) );
}
RebuildSymbolUnitsList();
SetShowDeMorgan( part->HasConversion() );
updateTitle();
RebuildView();
OnModify();
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}
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void LIB_EDIT_FRAME::RollbackPartFromUndo()
{
m_toolManager->RunAction( EE_ACTIONS::clearSelection, true );
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// Load the last undo entry
PICKED_ITEMS_LIST* undoCommand = PopCommandFromUndoList();
// Check if we were already at the top of the stack
if( !undoCommand )
return;
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ITEM_PICKER undoWrapper = undoCommand->PopItem();
delete undoCommand;
LIB_PART* part = (LIB_PART*) undoWrapper.GetItem();
part->ClearFlags( UR_TRANSIENT );
SetCurPart( part );
EE_SELECTION_TOOL* selTool = m_toolManager->GetTool<EE_SELECTION_TOOL>();
selTool->RebuildSelection();
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RebuildSymbolUnitsList();
SetShowDeMorgan( part->HasConversion() );
RebuildView();
}