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							327 lines
						
					
					
						
							6.9 KiB
						
					
					
				| /* | |
|  * This program source code file is part of KiCad, a free EDA CAD application. | |
|  * | |
|  * Copyright (C) 2018 jp.charras at wanadoo.fr | |
|  * Copyright (C) 2011 Wayne Stambaugh <stambaughw@gmail.com> | |
|  * Copyright (C) 2021-2022 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 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 <eda_item.h> | |
| #include <undo_redo_container.h> | |
|  | |
| 
 | |
| ITEM_PICKER::ITEM_PICKER() | |
| { | |
|     m_undoRedoStatus = UNDO_REDO::UNSPECIFIED; | |
|     SetItem( nullptr ); | |
|     m_pickerFlags = 0; | |
|     m_link = nullptr; | |
|     m_screen = nullptr; | |
| } | |
| 
 | |
| 
 | |
| ITEM_PICKER::ITEM_PICKER( BASE_SCREEN* aScreen, EDA_ITEM* aItem, UNDO_REDO aUndoRedoStatus ) | |
| { | |
|     m_undoRedoStatus = aUndoRedoStatus; | |
|     SetItem( aItem ); | |
|     m_pickerFlags = 0; | |
|     m_link = nullptr; | |
|     m_screen = aScreen; | |
| } | |
| 
 | |
| 
 | |
| void ITEM_PICKER::SetItem( EDA_ITEM* aItem ) | |
| { | |
|     m_pickedItem = aItem; | |
|     m_pickedItemType = aItem ? aItem->Type() : TYPE_NOT_INIT; | |
| } | |
| 
 | |
| 
 | |
| PICKED_ITEMS_LIST::PICKED_ITEMS_LIST() | |
| { | |
| } | |
| 
 | |
| 
 | |
| PICKED_ITEMS_LIST::~PICKED_ITEMS_LIST() | |
| { | |
| } | |
| 
 | |
| 
 | |
| void PICKED_ITEMS_LIST::PushItem( const ITEM_PICKER& aItem ) | |
| { | |
|     m_ItemsList.push_back( aItem ); | |
| } | |
| 
 | |
| 
 | |
| ITEM_PICKER PICKED_ITEMS_LIST::PopItem() | |
| { | |
|     ITEM_PICKER item; | |
| 
 | |
|     if( m_ItemsList.size() != 0 ) | |
|     { | |
|         item = m_ItemsList.back(); | |
|         m_ItemsList.pop_back(); | |
|     } | |
| 
 | |
|     return item; | |
| } | |
| 
 | |
| 
 | |
| bool PICKED_ITEMS_LIST::ContainsItem( const EDA_ITEM* aItem ) const | |
| { | |
|     for( const ITEM_PICKER& picker : m_ItemsList ) | |
|     { | |
|         if( picker.GetItem() == aItem ) | |
|             return true; | |
|     } | |
| 
 | |
|     return false; | |
| } | |
| 
 | |
| 
 | |
| int PICKED_ITEMS_LIST::FindItem( const EDA_ITEM* aItem ) const | |
| { | |
|     for( size_t i = 0; i < m_ItemsList.size(); i++ ) | |
|     { | |
|         if( m_ItemsList[i].GetItem() == aItem ) | |
|             return i; | |
|     } | |
| 
 | |
|     return -1; | |
| } | |
| 
 | |
| 
 | |
| void PICKED_ITEMS_LIST::ClearItemsList() | |
| { | |
|     m_ItemsList.clear(); | |
| } | |
| 
 | |
| 
 | |
| void PICKED_ITEMS_LIST::ClearListAndDeleteItems( std::function<void(EDA_ITEM*)> aItemDeleter ) | |
| { | |
|     while( GetCount() > 0 ) | |
|     { | |
|         ITEM_PICKER wrapper = PopItem(); | |
| 
 | |
|         if( wrapper.GetItem() == nullptr ) // No more items in list. | |
|             break; | |
| 
 | |
|         // The Link is an undo construct; it is always owned by the undo/redo container | |
|         if( wrapper.GetLink() ) | |
|             aItemDeleter( wrapper.GetLink() ); | |
| 
 | |
|         if( wrapper.GetFlags() & UR_TRANSIENT ) | |
|         { | |
|             aItemDeleter( wrapper.GetItem() ); | |
|         } | |
|         else if( wrapper.GetStatus() == UNDO_REDO::DELETED ) | |
|         { | |
|             // This should really be replaced with UR_TRANSIENT, but currently many clients | |
|             // (eeschema in particular) abuse this to achieve non-undo-related deletions. | |
|             aItemDeleter( wrapper.GetItem() ); | |
|         } | |
|     } | |
| } | |
| 
 | |
| 
 | |
| ITEM_PICKER PICKED_ITEMS_LIST::GetItemWrapper( unsigned int aIdx ) const | |
| { | |
|     ITEM_PICKER picker; | |
| 
 | |
|     if( aIdx < m_ItemsList.size() ) | |
|         picker = m_ItemsList[aIdx]; | |
| 
 | |
|     return picker; | |
| } | |
| 
 | |
| 
 | |
| EDA_ITEM* PICKED_ITEMS_LIST::GetPickedItem( unsigned int aIdx ) const | |
| { | |
|     if( aIdx < m_ItemsList.size() ) | |
|         return m_ItemsList[aIdx].GetItem(); | |
| 
 | |
|     return nullptr; | |
| } | |
| 
 | |
| 
 | |
| BASE_SCREEN* PICKED_ITEMS_LIST::GetScreenForItem( unsigned int aIdx ) const | |
| { | |
|     if( aIdx < m_ItemsList.size() ) | |
|         return m_ItemsList[aIdx].GetScreen(); | |
| 
 | |
|     return nullptr; | |
| } | |
| 
 | |
| 
 | |
| EDA_ITEM* PICKED_ITEMS_LIST::GetPickedItemLink( unsigned int aIdx ) const | |
| { | |
|     if( aIdx < m_ItemsList.size() ) | |
|         return m_ItemsList[aIdx].GetLink(); | |
| 
 | |
|     return nullptr; | |
| } | |
| 
 | |
| 
 | |
| UNDO_REDO PICKED_ITEMS_LIST::GetPickedItemStatus( unsigned int aIdx ) const | |
| { | |
|     if( aIdx < m_ItemsList.size() ) | |
|         return m_ItemsList[aIdx].GetStatus(); | |
| 
 | |
|     return UNDO_REDO::UNSPECIFIED; | |
| } | |
| 
 | |
| 
 | |
| EDA_ITEM_FLAGS PICKED_ITEMS_LIST::GetPickerFlags( unsigned aIdx ) const | |
| { | |
|     if( aIdx < m_ItemsList.size() ) | |
|         return m_ItemsList[aIdx].GetFlags(); | |
| 
 | |
|     return 0; | |
| } | |
| 
 | |
| 
 | |
| bool PICKED_ITEMS_LIST::SetPickedItem( EDA_ITEM* aItem, unsigned aIdx ) | |
| { | |
|     if( aIdx < m_ItemsList.size() ) | |
|     { | |
|         m_ItemsList[aIdx].SetItem( aItem ); | |
|         return true; | |
|     } | |
| 
 | |
|     return false; | |
| } | |
| 
 | |
| 
 | |
| bool PICKED_ITEMS_LIST::SetPickedItemLink( EDA_ITEM* aLink, unsigned aIdx ) | |
| { | |
|     if( aIdx < m_ItemsList.size() ) | |
|     { | |
|         m_ItemsList[aIdx].SetLink( aLink ); | |
|         return true; | |
|     } | |
| 
 | |
|     return false; | |
| } | |
| 
 | |
| 
 | |
| bool PICKED_ITEMS_LIST::SetPickedItem( EDA_ITEM* aItem, UNDO_REDO aStatus, unsigned aIdx ) | |
| { | |
|     if( aIdx < m_ItemsList.size() ) | |
|     { | |
|         m_ItemsList[aIdx].SetItem( aItem ); | |
|         m_ItemsList[aIdx].SetStatus( aStatus ); | |
|         return true; | |
|     } | |
| 
 | |
|     return false; | |
| } | |
| 
 | |
| 
 | |
| bool PICKED_ITEMS_LIST::SetPickedItemStatus( UNDO_REDO aStatus, unsigned aIdx ) | |
| { | |
|     if( aIdx < m_ItemsList.size() ) | |
|     { | |
|         m_ItemsList[aIdx].SetStatus( aStatus ); | |
|         return true; | |
|     } | |
| 
 | |
|     return false; | |
| } | |
| 
 | |
| 
 | |
| bool PICKED_ITEMS_LIST::SetPickerFlags( EDA_ITEM_FLAGS aFlags, unsigned aIdx ) | |
| { | |
|     if( aIdx < m_ItemsList.size() ) | |
|     { | |
|         m_ItemsList[aIdx].SetFlags( aFlags ); | |
|         return true; | |
|     } | |
| 
 | |
|     return false; | |
| } | |
| 
 | |
| 
 | |
| bool PICKED_ITEMS_LIST::RemovePicker( unsigned aIdx ) | |
| { | |
|     if( aIdx >= m_ItemsList.size() ) | |
|         return false; | |
| 
 | |
|     m_ItemsList.erase( m_ItemsList.begin() + aIdx ); | |
|     return true; | |
| } | |
| 
 | |
| 
 | |
| void PICKED_ITEMS_LIST::CopyList( const PICKED_ITEMS_LIST& aSource ) | |
| { | |
|     m_ItemsList = aSource.m_ItemsList;  // Vector's copy | |
| } | |
| 
 | |
| 
 | |
| void PICKED_ITEMS_LIST::ReversePickersListOrder() | |
| { | |
|     std::vector <ITEM_PICKER> tmp; | |
| 
 | |
|     while( !m_ItemsList.empty() ) | |
|     { | |
|         tmp.push_back( m_ItemsList.back() ); | |
|         m_ItemsList.pop_back(); | |
|     } | |
| 
 | |
|     m_ItemsList.swap( tmp ); | |
| } | |
| 
 | |
| 
 | |
| UNDO_REDO_CONTAINER::UNDO_REDO_CONTAINER() | |
| { | |
| } | |
| 
 | |
| 
 | |
| UNDO_REDO_CONTAINER::~UNDO_REDO_CONTAINER() | |
| { | |
|     ClearCommandList(); | |
| } | |
| 
 | |
| 
 | |
| void UNDO_REDO_CONTAINER::ClearCommandList() | |
| { | |
|     for( unsigned ii = 0; ii < m_CommandsList.size(); ii++ ) | |
|         delete m_CommandsList[ii]; | |
| 
 | |
|     m_CommandsList.clear(); | |
| } | |
| 
 | |
| 
 | |
| void UNDO_REDO_CONTAINER::PushCommand( PICKED_ITEMS_LIST* aItem ) | |
| { | |
|     m_CommandsList.push_back( aItem ); | |
| } | |
| 
 | |
| 
 | |
| PICKED_ITEMS_LIST* UNDO_REDO_CONTAINER::PopCommand() | |
| { | |
|     if( m_CommandsList.size() != 0 ) | |
|     { | |
|         PICKED_ITEMS_LIST* item = m_CommandsList.back(); | |
|         m_CommandsList.pop_back(); | |
|         return item; | |
|     } | |
| 
 | |
|     return nullptr; | |
| }
 |