C++ BOARD_ITEM::SwapData方法代码示例

void BOARD_COMMIT::Revert()
{
    PICKED_ITEMS_LIST undoList;
    KIGFX::VIEW* view = m_toolMgr->GetView();
    BOARD* board = (BOARD*) m_toolMgr->GetModel();
    auto connectivity = board->GetConnectivity();

    for( auto it = m_changes.rbegin(); it != m_changes.rend(); ++it )
    {
        COMMIT_LINE& ent = *it;
        BOARD_ITEM* item = static_cast<BOARD_ITEM*>( ent.m_item );
        BOARD_ITEM* copy = static_cast<BOARD_ITEM*>( ent.m_copy );
        int changeType = ent.m_type & CHT_TYPE;
        int changeFlags = ent.m_type & CHT_FLAGS;

        switch( changeType )
        {
        case CHT_ADD:
            if( !( changeFlags & CHT_DONE ) )
                break;

            view->Remove( item );
            connectivity->Remove( item );
            board->Remove( item );
            break;

        case CHT_REMOVE:
            if( !( changeFlags & CHT_DONE ) )
                break;

            if( item->Type() == PCB_MODULE_T )
            {
                MODULE* newModule = static_cast<MODULE*>( item );
                newModule->RunOnChildren( std::bind( &EDA_ITEM::ClearFlags, _1, SELECTED ) );
            }

            view->Add( item );
            connectivity->Add( item );
            board->Add( item );
            break;

        case CHT_MODIFY:
        {
            view->Remove( item );
            connectivity->Remove( item );

            item->SwapData( copy );
            item->ClearFlags( SELECTED );

            // Update all pads/drawings/texts, as they become invalid
            // for the VIEW after SwapData() called for modules
            if( item->Type() == PCB_MODULE_T )
            {
                MODULE* newModule = static_cast<MODULE*>( item );
                newModule->RunOnChildren( std::bind( &EDA_ITEM::ClearFlags, _1, SELECTED ) );
            }

            view->Add( item );
            connectivity->Add( item );
            delete copy;
            break;
        }

        default:
            wxASSERT( false );
            break;
        }
    }

    if ( !m_editModules )
        connectivity->RecalculateRatsnest();

    clear();
}

void PCB_EDIT_FRAME::PutDataInPreviousState( PICKED_ITEMS_LIST* aList, bool aRedoCommand,
                                             bool aRebuildRatsnet )
{
    BOARD_ITEM* item;
    bool        not_found = false;
    bool        reBuild_ratsnest = false;
    KIGFX::VIEW* view = GetGalCanvas()->GetView();
    RN_DATA* ratsnest = GetBoard()->GetRatsnest();

    // Undo in the reverse order of list creation: (this can allow stacked changes
    // like the same item can be changes and deleted in the same complex command

    bool build_item_list = true;    // if true the list of existing items must be rebuilt

    for( int ii = aList->GetCount() - 1; ii >= 0 ; ii-- )
    {
        item = (BOARD_ITEM*) aList->GetPickedItem( ii );
        wxASSERT( item );

        /* Test for existence of item on board.
         * It could be deleted, and no more on board:
         *   - if a call to SaveCopyInUndoList was forgotten in Pcbnew
         *   - in zones outlines, when a change in one zone merges this zone with an other
         * This test avoids a Pcbnew crash
         * Obviously, this test is not made for deleted items
         */
        UNDO_REDO_T status = aList->GetPickedItemStatus( ii );

        if( status != UR_DELETED )
        {
            if( build_item_list )
                // Build list of existing items, for integrity test
                TestForExistingItem( GetBoard(), NULL );

            build_item_list = false;

            if( !TestForExistingItem( GetBoard(), item ) )
            {
                // Remove this non existent item
                aList->RemovePicker( ii );
                ii++;       // the current item was removed, ii points now the next item
                            // decrement it because it will be incremented later
                not_found = true;
                continue;
            }
        }

        item->ClearFlags();

        // see if we must rebuild ratsnets and pointers lists
        switch( item->Type() )
        {
        case PCB_MODULE_T:
        case PCB_ZONE_AREA_T:
        case PCB_TRACE_T:
        case PCB_VIA_T:
            reBuild_ratsnest = true;
            break;

        default:
            break;
        }

        switch( aList->GetPickedItemStatus( ii ) )
        {
        case UR_CHANGED:    /* Exchange old and new data for each item */
        {
            BOARD_ITEM* image = (BOARD_ITEM*) aList->GetPickedItemLink( ii );

            // Remove all pads/drawings/texts, as they become invalid
            // for the VIEW after SwapData() called for modules
            if( item->Type() == PCB_MODULE_T )
            {
                MODULE* oldModule = static_cast<MODULE*>( item );
                oldModule->RunOnChildren( boost::bind( &KIGFX::VIEW::Remove, view, _1 ) );
            }
            ratsnest->Remove( item );

            item->SwapData( image );

            // Update all pads/drawings/texts, as they become invalid
            // for the VIEW after SwapData() called for modules
            if( item->Type() == PCB_MODULE_T )
            {
                MODULE* newModule = static_cast<MODULE*>( item );
                newModule->RunOnChildren( boost::bind( &KIGFX::VIEW::Add, view, _1 ) );
            }
            ratsnest->Add( item );

            item->ClearFlags( SELECTED );
            item->ViewUpdate( KIGFX::VIEW_ITEM::LAYERS );
        }
        break;

        case UR_NEW:        /* new items are deleted */
            aList->SetPickedItemStatus( UR_DELETED, ii );
            GetBoard()->Remove( item );

            if( item->Type() == PCB_MODULE_T )
            {
//.........这里部分代码省略.........

void BOARD_COMMIT::Revert()
{
    PICKED_ITEMS_LIST undoList;
    KIGFX::VIEW* view = m_toolMgr->GetView();
    BOARD* board = (BOARD*) m_toolMgr->GetModel();
    RN_DATA* ratsnest = board->GetRatsnest();

    for( auto it = m_changes.rbegin(); it != m_changes.rend(); ++it )
    {
        COMMIT_LINE& ent = *it;
        BOARD_ITEM* item = static_cast<BOARD_ITEM*>( ent.m_item );
        BOARD_ITEM* copy = static_cast<BOARD_ITEM*>( ent.m_copy );

        switch( ent.m_type )
        {
        case CHT_ADD:
            if( item->Type() == PCB_MODULE_T )
            {
                MODULE* oldModule = static_cast<MODULE*>( item );
                oldModule->RunOnChildren( boost::bind( &KIGFX::VIEW::Remove, view, _1 ) );
            }

            view->Remove( item );
            ratsnest->Remove( item );
            break;

        case CHT_REMOVE:
            if( item->Type() == PCB_MODULE_T )
            {
                MODULE* newModule = static_cast<MODULE*>( item );
                newModule->RunOnChildren( boost::bind( &EDA_ITEM::ClearFlags, _1, SELECTED ) );
                newModule->RunOnChildren( boost::bind( &KIGFX::VIEW::Add, view, _1 ) );
            }

            view->Add( item );
            ratsnest->Add( item );
            break;

        case CHT_MODIFY:
        {
            if( item->Type() == PCB_MODULE_T )
            {
                MODULE* oldModule = static_cast<MODULE*>( item );
                oldModule->RunOnChildren( boost::bind( &KIGFX::VIEW::Remove, view, _1 ) );
            }

            view->Remove( item );
            ratsnest->Remove( item );

            item->SwapData( copy );

            item->ClearFlags( SELECTED );

            // Update all pads/drawings/texts, as they become invalid
            // for the VIEW after SwapData() called for modules
            if( item->Type() == PCB_MODULE_T )
            {
                MODULE* newModule = static_cast<MODULE*>( item );
                newModule->RunOnChildren( boost::bind( &EDA_ITEM::ClearFlags, _1, SELECTED ) );
                newModule->RunOnChildren( boost::bind( &KIGFX::VIEW::Add, view, _1 ) );
            }

            view->Add( item );
            ratsnest->Add( item );
            delete copy;
            break;
        }

        default:
            assert( false );
            break;
        }
    }

    ratsnest->Recalculate();

    clear();
}