C++ BOARD_ITEM::ClearFlags方法代码示例

void PCB_EDIT_FRAME::Block_Move()
{
    OnModify();

    wxPoint            MoveVector = GetScreen()->m_BlockLocate.GetMoveVector();

    PICKED_ITEMS_LIST* itemsList = &GetScreen()->m_BlockLocate.GetItems();
    itemsList->m_Status = UR_MOVED;

    for( unsigned ii = 0; ii < itemsList->GetCount(); ii++ )
    {
        BOARD_ITEM* item = (BOARD_ITEM*) itemsList->GetPickedItem( ii );
        itemsList->SetPickedItemStatus( UR_MOVED, ii );
        item->Move( MoveVector );
        GetBoard()->GetConnectivity()->Update( item );
        item->ClearFlags( IS_MOVED );

        switch( item->Type() )
        {
        case PCB_MODULE_T:
            m_Pcb->m_Status_Pcb = 0;
            item->ClearFlags();
            break;

        // Move track segments
        case PCB_TRACE_T:       // a track segment (segment on a copper layer)
        case PCB_VIA_T:         // a via (like a track segment on a copper layer)
            m_Pcb->m_Status_Pcb = 0;
            break;

        case PCB_ZONE_AREA_T:
        case PCB_LINE_T:
        case PCB_TEXT_T:
        case PCB_TARGET_T:
        case PCB_DIMENSION_T:
            break;

        // This item is not put in undo list
        case PCB_ZONE_T:        // SEG_ZONE items are now deprecated
            itemsList->RemovePicker( ii );
            ii--;
            break;

        default:
            wxMessageBox( wxT( "PCB_EDIT_FRAME::Block_Move( ) error: unexpected type" ) );
            break;
        }
    }

    SaveCopyInUndoList( *itemsList, UR_MOVED, MoveVector );

    Compile_Ratsnest( NULL, true );
    m_canvas->Refresh( true );
}

/* Copy marked items, at new position = old position + offset
 */
void CopyMarkedItems( MODULE* module, wxPoint offset )
{
    if( module == NULL )
        return;

    for( D_PAD* pad = module->Pads();  pad;  pad = pad->Next() )
    {
        if( !pad->IsSelected() )
            continue;

        pad->ClearFlags( SELECTED );
        D_PAD* NewPad = new D_PAD( *pad );
        NewPad->SetParent( module );
        NewPad->SetFlags( SELECTED );
        module->Pads().PushFront( NewPad );
    }

    BOARD_ITEM* newItem;

    for( BOARD_ITEM* item = module->GraphicalItems();  item;  item = item->Next() )
    {
        if( !item->IsSelected() )
            continue;

        item->ClearFlags( SELECTED );

        newItem = (BOARD_ITEM*)item->Clone();
        newItem->SetParent( module );
        newItem->SetFlags( SELECTED );
        module->GraphicalItems().PushFront( newItem );
    }

    MoveMarkedItems( module, offset );
}

void PCB_EDIT_FRAME::Block_Flip()
{
#define INVERT( pos ) (pos) = center.y - ( (pos) - center.y )
    wxPoint memo;
    wxPoint center; // Position of the axis for inversion of all elements

    OnModify();

    PICKED_ITEMS_LIST* itemsList = &GetScreen()->m_BlockLocate.GetItems();
    itemsList->m_Status = UR_FLIPPED;

    memo = GetCrossHairPosition();

    center = GetScreen()->m_BlockLocate.Centre();

    for( unsigned ii = 0; ii < itemsList->GetCount(); ii++ )
    {
        BOARD_ITEM* item = (BOARD_ITEM*) itemsList->GetPickedItem( ii );
        wxASSERT( item );
        itemsList->SetPickedItemStatus( UR_FLIPPED, ii );
        item->Flip( center );

        switch( item->Type() )
        {
        case PCB_MODULE_T:
            item->ClearFlags();
            m_Pcb->m_Status_Pcb = 0;
            break;

        // Move and rotate the track segments
        case PCB_TRACE_T:       // a track segment (segment on a copper layer)
        case PCB_VIA_T:         // a via (like track segment on a copper layer)
            m_Pcb->m_Status_Pcb = 0;
            break;

        case PCB_ZONE_AREA_T:
        case PCB_LINE_T:
        case PCB_TEXT_T:
        case PCB_TARGET_T:
        case PCB_DIMENSION_T:
            break;

        // This item is not put in undo list
        case PCB_ZONE_T:         // SEG_ZONE items are now deprecated
            itemsList->RemovePicker( ii );
            ii--;
            break;


        default:
            wxMessageBox( wxT( "PCB_EDIT_FRAME::Block_Flip( ) error: unexpected type" ) );
            break;
        }
    }

    SaveCopyInUndoList( *itemsList, UR_FLIPPED, center );
    Compile_Ratsnest( NULL, true );
    m_canvas->Refresh( true );
}

int EDIT_TOOL::Properties( const TOOL_EVENT& aEvent )
{
    const SELECTION& selection = m_selectionTool->GetSelection();
    PCB_BASE_EDIT_FRAME* editFrame = getEditFrame<PCB_BASE_EDIT_FRAME>();

    // Shall the selection be cleared at the end?
    bool unselect = selection.Empty();

    if( !hoverSelection( false ) )
        return 0;

    // Tracks & vias are treated in a special way:
    if( ( SELECTION_CONDITIONS::OnlyTypes( GENERAL_COLLECTOR::Tracks ) )( selection ) )
    {
        DIALOG_TRACK_VIA_PROPERTIES dlg( editFrame, selection );

        if( dlg.ShowModal() )
        {
            dlg.Apply( *m_commit );
            m_commit->Push( _( "Edit track/via properties" ) );
        }
    }
    else if( selection.Size() == 1 ) // Properties are displayed when there is only one item selected
    {
        // Display properties dialog
        BOARD_ITEM* item = selection.Item<BOARD_ITEM>( 0 );

        // Some of properties dialogs alter pointers, so we should deselect them
        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );

        // Store flags, so they can be restored later
        STATUS_FLAGS flags = item->GetFlags();
        item->ClearFlags();

        // Do not handle undo buffer, it is done by the properties dialogs @todo LEGACY
        // Display properties dialog provided by the legacy canvas frame
        editFrame->OnEditItemRequest( NULL, item );

        m_toolMgr->RunAction( COMMON_ACTIONS::editModifiedSelection, true );
        item->SetFlags( flags );
    }

    if( unselect )
        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );

    return 0;
}

int EDIT_TOOL::Properties( const TOOL_EVENT& aEvent )
{
    const SELECTION& selection = m_selectionTool->GetSelection();
    PCB_BASE_EDIT_FRAME* editFrame = getEditFrame<PCB_BASE_EDIT_FRAME>();

    if( !hoverSelection( selection, false ) )
        return 0;

    // Properties are displayed when there is only one item selected
    if( selection.Size() == 1 )
    {
        // Display properties dialog
        BOARD_ITEM* item = selection.Item<BOARD_ITEM>( 0 );

        std::vector<PICKED_ITEMS_LIST*>& undoList = editFrame->GetScreen()->m_UndoList.m_CommandsList;

        // Some of properties dialogs alter pointers, so we should deselect them
        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
        STATUS_FLAGS flags = item->GetFlags();
        item->ClearFlags();

        // It is necessary to determine if anything has changed
        PICKED_ITEMS_LIST* lastChange = undoList.empty() ? NULL : undoList.back();

        // Display properties dialog
        editFrame->OnEditItemRequest( NULL, item );

        PICKED_ITEMS_LIST* currentChange = undoList.empty() ? NULL : undoList.back();

        if( lastChange != currentChange )        // Something has changed
        {
            processChanges( currentChange );

            updateRatsnest( true );
            getModel<BOARD>()->GetRatsnest()->Recalculate();
            item->ViewUpdate();

            m_toolMgr->RunAction( COMMON_ACTIONS::pointEditorUpdate, true );
        }

        item->SetFlags( flags );
    }

    return 0;
}

/* Copy marked items, at new position = old position + offset
 */
void CopyMarkedItems( MODULE* module, wxPoint offset, bool aIncrement )
{
    if( module == NULL )
        return;

    // Reference and value cannot be copied, they are unique.
    // Ensure they are not selected
    module->Reference().ClearFlags();
    module->Value().ClearFlags();

    for( D_PAD* pad = module->Pads();  pad;  pad = pad->Next() )
    {
        if( !pad->IsSelected() )
            continue;

        pad->ClearFlags( SELECTED );
        D_PAD* NewPad = new D_PAD( *pad );
        NewPad->SetParent( module );
        NewPad->SetFlags( SELECTED );
        module->Pads().PushFront( NewPad );

        if( aIncrement )
            NewPad->IncrementPadName( true, true );
    }

    BOARD_ITEM* newItem;

    for( BOARD_ITEM* item = module->GraphicalItems();  item;  item = item->Next() )
    {
        if( !item->IsSelected() )
            continue;

        item->ClearFlags( SELECTED );

        newItem = (BOARD_ITEM*)item->Clone();
        newItem->SetParent( module );
        newItem->SetFlags( SELECTED );
        module->GraphicalItems().PushFront( newItem );
    }

    MoveMarkedItems( module, offset );
}

int EDIT_TOOL::Properties( const TOOL_EVENT& aEvent )
{
    const SELECTION& selection = m_selectionTool->GetSelection();
    PCB_BASE_EDIT_FRAME* editFrame = getEditFrame<PCB_BASE_EDIT_FRAME>();

    // Shall the selection be cleared at the end?
    bool unselect = selection.Empty();

    if( !hoverSelection( selection, false ) )
        return 0;

    // Tracks & vias are treated in a special way:
    if( ( SELECTION_CONDITIONS::OnlyTypes( m_tracksViasType ) )( selection ) )
    {
        DIALOG_TRACK_VIA_PROPERTIES dlg( editFrame, selection );

        if( dlg.ShowModal() )
        {
            RN_DATA* ratsnest = getModel<BOARD>()->GetRatsnest();

            editFrame->OnModify();
            editFrame->SaveCopyInUndoList( selection.items, UR_CHANGED );
            dlg.Apply();

            selection.ForAll<KIGFX::VIEW_ITEM>( boost::bind( &KIGFX::VIEW_ITEM::ViewUpdate, _1,
                                                KIGFX::VIEW_ITEM::ALL ) );
            selection.ForAll<BOARD_ITEM>( boost::bind( &RN_DATA::Update, ratsnest, _1 ) );
            ratsnest->Recalculate();
        }
    }
    else if( selection.Size() == 1 ) // Properties are displayed when there is only one item selected
    {
        // Display properties dialog
        BOARD_ITEM* item = selection.Item<BOARD_ITEM>( 0 );

        // Store the head of the undo list to compare if anything has changed
        std::vector<PICKED_ITEMS_LIST*>& undoList = editFrame->GetScreen()->m_UndoList.m_CommandsList;

        // Some of properties dialogs alter pointers, so we should deselect them
        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
        STATUS_FLAGS flags = item->GetFlags();
        item->ClearFlags();

        // It is necessary to determine if anything has changed, so store the current undo save point
        PICKED_ITEMS_LIST* undoSavePoint = undoList.empty() ? NULL : undoList.back();

        // Display properties dialog provided by the legacy canvas frame
        editFrame->OnEditItemRequest( NULL, item );

        if( !undoList.empty() && undoList.back() != undoSavePoint )      // Undo buffer has changed
        {
            // Process changes stored after undoSavePoint
            processUndoBuffer( undoSavePoint );

            // Update the modified item
            item->ViewUpdate();
            RN_DATA* ratsnest = getModel<BOARD>()->GetRatsnest();
            ratsnest->Recalculate();

            // TODO OBSERVER! I miss you so much..
            m_toolMgr->RunAction( COMMON_ACTIONS::pointEditorUpdate, true );
        }

        item->SetFlags( flags );
    }

    if( unselect )
        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );

    return 0;
}

int EDIT_TOOL::Properties( TOOL_EVENT& aEvent )
{
    const SELECTION& selection = m_selectionTool->GetSelection();
    PCB_BASE_EDIT_FRAME* editFrame = getEditFrame<PCB_BASE_EDIT_FRAME>();

    if( !makeSelection( selection ) )
    {
        setTransitions();

        return 0;
    }

    // Properties are displayed when there is only one item selected
    if( selection.Size() == 1 )
    {
        // Display properties dialog
        BOARD_ITEM* item = selection.Item<BOARD_ITEM>( 0 );

        // Check if user wants to edit pad or module properties
        if( item->Type() == PCB_MODULE_T )
        {
            VECTOR2D cursor = getViewControls()->GetCursorPosition();

            for( D_PAD* pad = static_cast<MODULE*>( item )->Pads(); pad; pad = pad->Next() )
            {
                if( pad->ViewBBox().Contains( cursor ) )
                {
                    // Turns out that user wants to edit a pad properties
                    item = pad;
                    break;
                }
            }
        }

        std::vector<PICKED_ITEMS_LIST*>& undoList = editFrame->GetScreen()->m_UndoList.m_CommandsList;

        // Some of properties dialogs alter pointers, so we should deselect them
        m_toolMgr->RunAction( COMMON_ACTIONS::selectionClear, true );
        STATUS_FLAGS flags = item->GetFlags();
        item->ClearFlags();

        // It is necessary to determine if anything has changed
        PICKED_ITEMS_LIST* lastChange = undoList.empty() ? NULL : undoList.back();

        // Display properties dialog
        editFrame->OnEditItemRequest( NULL, item );

        PICKED_ITEMS_LIST* currentChange = undoList.empty() ? NULL : undoList.back();

        if( lastChange != currentChange )        // Something has changed
        {
            processChanges( currentChange );

            updateRatsnest( true );
            getModel<BOARD>()->GetRatsnest()->Recalculate();
            item->ViewUpdate();

            m_toolMgr->RunAction( COMMON_ACTIONS::pointEditorUpdate, true );
        }

        item->SetFlags( flags );
    }

    setTransitions();

    return 0;
}

void PCB_BASE_EDIT_FRAME::PutDataInPreviousState( PICKED_ITEMS_LIST* aList, bool aRedoCommand,
                                             bool aRebuildRatsnet )
{
    BOARD_ITEM* item;
    bool        not_found = false;
    bool        reBuild_ratsnest = false;
    bool        deep_reBuild_ratsnest = false;  // true later if pointers must be rebuilt

    auto view = GetGalCanvas()->GetView();
    auto connectivity = GetBoard()->GetConnectivity();

    // 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

    // Restore changes in reverse order
    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
                && status != UR_DRILLORIGIN     // origin markers never on board
                && status != UR_GRIDORIGIN )    // origin markers never on board
        {
            if( build_item_list )
                // Build list of existing items, for integrity test
                TestForExistingItem( GetBoard(), NULL );

            build_item_list = false;

            if( !TestForExistingItem( GetBoard(), item ) )
            {
                // Checking if it ever happens
                wxASSERT_MSG( false, "Item in the undo buffer does not exist" );

                // 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:
            deep_reBuild_ratsnest = true;   // Pointers on pads can be invalid
            // Fall through
        case PCB_ZONE_AREA_T:
        case PCB_TRACE_T:
        case PCB_VIA_T:
            reBuild_ratsnest = true;
            break;

        case PCB_NETINFO_T:
            reBuild_ratsnest = true;
            deep_reBuild_ratsnest = true;
            break;

        default:
            break;
        }

        // It is possible that we are going to replace the selected item, so clear it
        SetCurItem( NULL );

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

            SwapItemData( item, 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( std::bind( &BOARD_ITEM::ClearFlags, _1, EDA_ITEM_ALL_FLAGS ));
//.........这里部分代码省略.........

void FOOTPRINT_EDIT_FRAME::OnLeftClick( wxDC* DC, const wxPoint& MousePos )
{
    BOARD_ITEM* item = GetCurItem();

    m_canvas->CrossHairOff( DC );

    if( GetToolId() == ID_NO_TOOL_SELECTED )
    {
        if( item && item->GetFlags() ) // Move item command in progress
        {
            switch( item->Type() )
            {
            case PCB_MODULE_TEXT_T:
                PlaceTexteModule( static_cast<TEXTE_MODULE*>( item ), DC );
                break;

            case PCB_MODULE_EDGE_T:
                SaveCopyInUndoList( GetBoard()->m_Modules, UR_MODEDIT );
                Place_EdgeMod( static_cast<EDGE_MODULE*>( item ) );
                break;

            case PCB_PAD_T:
                PlacePad( static_cast<D_PAD*>( item ), DC );
                break;

            default:
            {
                wxString msg;
                msg.Printf( wxT( "WinEDA_ModEditFrame::OnLeftClick err:Struct %d, m_Flag %X" ),
                            item->Type(), item->GetFlags() );
                DisplayError( this, msg );
                item->ClearFlags();
                break;
            }
            }
        }

        else
        {
            if( !wxGetKeyState( WXK_SHIFT ) && !wxGetKeyState( WXK_ALT )
                    && !wxGetKeyState( WXK_CONTROL ) )
                item = ModeditLocateAndDisplay();

            SetCurItem( item );
        }
    }

    item = GetCurItem();
    bool no_item_edited = item == NULL || item->GetFlags() == 0;

    switch( GetToolId() )
    {
    case ID_NO_TOOL_SELECTED:
        break;

    case ID_MODEDIT_CIRCLE_TOOL:
    case ID_MODEDIT_ARC_TOOL:
    case ID_MODEDIT_LINE_TOOL:
        if( no_item_edited )
        {
            STROKE_T shape = S_SEGMENT;

            if( GetToolId() == ID_MODEDIT_CIRCLE_TOOL )
                shape = S_CIRCLE;

            if( GetToolId() == ID_MODEDIT_ARC_TOOL )
                shape = S_ARC;

            SetCurItem( Begin_Edge_Module( (EDGE_MODULE*) NULL, DC, shape ) );
        }
        else if( item->IsNew() )
        {
            if( ( (EDGE_MODULE*) item )->GetShape() == S_CIRCLE )
            {
                End_Edge_Module( (EDGE_MODULE*) item );
                SetCurItem( NULL );
                m_canvas->Refresh();
            }
            else if( ( (EDGE_MODULE*) item )->GetShape() == S_ARC )
            {
                End_Edge_Module( (EDGE_MODULE*) item );
                SetCurItem( NULL );
                m_canvas->Refresh();
            }
            else if( ( (EDGE_MODULE*) item )->GetShape() == S_SEGMENT )
            {
                SetCurItem( Begin_Edge_Module( (EDGE_MODULE*) item, DC, S_SEGMENT ) );
            }
            else
            {
                wxMessageBox( wxT( "ProcessCommand error: unknown shape" ) );
            }
        }
        break;

    case ID_MODEDIT_DELETE_TOOL:
        if( ! no_item_edited )    // Item in edit, cannot delete it
            break;

        item = ModeditLocateAndDisplay();
//.........这里部分代码省略.........

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();
    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 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();
}

/**
 * Function PutDataInPreviousState
 * Used in undo or redo command.
 * Put data pointed by List in the previous state, i.e. the state memorised by List
 * @param aList = a PICKED_ITEMS_LIST pointer to the list of items to undo/redo
 * @param aRedoCommand = a bool: true for redo, false for undo
 * @param aRebuildRatsnet = a bool: true to rebuid ratsnet (normal use, and default), false
 * to just retrieve las state (used in abort commands that do not need to rebuild ratsnest)
 */
void PCB_EDIT_FRAME::PutDataInPreviousState( PICKED_ITEMS_LIST* aList, bool aRedoCommand,
                                             bool aRebuildRatsnet )
{
    BOARD_ITEM* item;
    bool        not_found = false;
    bool        reBuild_ratsnest = false;

    // 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 esiting 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
         * Obviouly, 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 existant 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 );
            SwapData( item, image );
        }
        break;

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

        case UR_DELETED:    /* deleted items are put in List, as new items */
            aList->SetPickedItemStatus( UR_NEW, ii );
            GetBoard()->Add( item );
            build_item_list = true;
            break;

        case UR_MOVED:
            item->Move( aRedoCommand ? aList->m_TransformPoint : -aList->m_TransformPoint );
            break;

        case UR_ROTATED:
            item->Rotate( aList->m_TransformPoint, aRedoCommand ? 900 : -900 );
            break;

        case UR_ROTATED_CLOCKWISE:
            item->Rotate( aList->m_TransformPoint, aRedoCommand ? -900 : 900 );
            break;

        case UR_FLIPPED:
//.........这里部分代码省略.........