/*
 * Traces the outline of the search block structures
 * The entire block follows the cursor
 */
void DrawMovingBlockOutlines( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
                              bool aErase )
{
    SCH_DRAW_PANEL*    panel =static_cast<SCH_DRAW_PANEL*>( aPanel );
    LIB_EDIT_FRAME*    frame = (LIB_EDIT_FRAME*) aPanel->GetParent();
    KIGFX::SCH_VIEW*   view = panel->GetView();
    KIGFX::VIEW_GROUP* preview = view->GetPreview();

    BASE_SCREEN*       screen = aPanel->GetScreen();
    BLOCK_SELECTOR*    block = &screen->m_BlockLocate;
    LIB_PART*          component = frame->GetCurPart();

    if( component == NULL )
        return;

    block->SetMoveVector( frame->GetCrossHairPosition( true ) - block->GetLastCursorPosition() );

    preview->Clear();
    view->SetVisible( preview, true );

    for( unsigned ii = 0; ii < block->GetCount(); ii++ )
    {
        LIB_ITEM* libItem = (LIB_ITEM*) block->GetItem( ii );
        LIB_ITEM* copy = static_cast<LIB_ITEM*>( libItem->Clone() );

        copy->Move( copy->GetPosition() + block->GetMoveVector() );
        copy->SetFlags( IS_MOVED );
        preview->Add( copy );

        view->Hide( libItem );
    }

    view->Update( preview );
}
void LIB_EDIT_FRAME::BlockCopySelectedItems( const wxPoint& aOffset, LIB_PART* aPart, BLOCK_SELECTOR* aBlock )
{
    PICKED_ITEMS_LIST& aItemsList = aBlock->GetItems();
    LIB_ITEM* oldItem;
    LIB_ITEM* newItem;

    for( unsigned ii = 0; ii < aItemsList.GetCount(); ii++ )
    {
        oldItem = static_cast<LIB_ITEM*>( aItemsList.GetPickedItem( ii ) );

        // We *do not* copy fields because they are unique for the whole component
        // so skip them (do not duplicate) if they are flagged selected.
        if( oldItem->Type() == LIB_FIELD_T )
            oldItem->ClearFlags( SELECTED );

        if( !oldItem->IsSelected() )
            continue;

        newItem = (LIB_ITEM*) oldItem->Clone();
        newItem->SetFlags( SELECTED );
        oldItem->ClearFlags( SELECTED );

        newItem->SetOffset( aBlock->GetMoveVector() );

        aItemsList.SetPickedItem( newItem, ii );
        aItemsList.SetPickedItemStatus( UR_NEW, ii );

        aPart->GetDrawItems().push_back( newItem );
    }
}