container.c

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class Container extends LayoutHolder
{
    protected ref array<ref LayoutHolder>   m_Body;
    protected ref array<LayoutHolder>       m_OpenedContainers;
    protected int                           m_ActiveIndex = 0;
    protected bool                          m_LastIndex; //deprecated 
    protected bool                          m_Closed;
    protected Container                     m_FocusedContainer;
    protected float                         m_PrevAlpha;
    const int ITEMS_IN_ROW = 8;
    
    //protected int                         m_RowCount;
    protected int                           m_ColumnCount;
    
    protected int                           m_FocusedColumn = 0;
    protected bool                          m_ForcedHide;
    protected bool                          m_ForcedShow; //used to override displayability condition, but 'm_ForcedHide' takes preference
    
    protected SlotsIcon                     m_SlotIcon;
    protected EntityAI                      m_Entity;
    
    const int SORT_ATTACHMENTS_OWN = 1; //direct attachments of the parent item
    const int SORT_CARGO_OWN = 2; //cargo of the parent item
    const int SORT_ATTACHMENTS_NEXT_OFFSET = 2;
    const int SORT_CARGO_NEXT_OFFSET = 3;
 
    void OnDropReceivedFromHeader( Widget w, int x, int y, Widget receiver );
    void DraggingOver( Widget w, int x, int y, Widget receiver );
    void DraggingOverHeader( Widget w, int x, int y, Widget receiver );
    void UpdateSpacer();
    Header GetHeader();
    void SetHeader(Header header);
    void CheckHeaderDragability();
    
    void Container( LayoutHolder parent )
    {
        m_Body = new array<ref LayoutHolder>;
        m_OpenedContainers = new array<LayoutHolder>;
        m_PrevAlpha = m_RootWidget.GetAlpha();
        m_SlotIcon = null;
        m_ForcedHide = false;
        m_ForcedShow = false;
        
        m_ActiveIndex = 0;
        m_IsActive = false;
    }
    
    Container GetFocusedContainer()
    {
        if (m_ActiveIndex < m_OpenedContainers.Count())
        {
            return Container.Cast(m_OpenedContainers[m_ActiveIndex]);
        }
        return null;
    }
    
    Container GetContainer(int index)
    {
        if (index < m_Body.Count())
        {
            return Container.Cast( m_Body[index] );
        }
        return null;
    }
    
    
    void SetFocusedContainer( Container cont )
    {
        m_FocusedContainer = cont;
    }
    
    SlotsIcon GetFocusedSlotsIcon()
    {
        Container c = GetFocusedContainer();
        if (c)
        {
            return c.GetFocusedSlotsIcon();
        }
        return null;
    }
    
    int GetActiveIndex()
    {
        return m_ActiveIndex;
    }
    
    void SetActiveIndex( int index )
    {
        m_ActiveIndex = index;
    }
 
    ScrollWidget GetSlotsScrollWidget()
    {
        return null;
    }
    
    ScrollWidget GetScrollWidget()
    {
        return null;
    }
    
    void UpdateRadialIcon()
    {
        if ( m_SlotIcon )
        {
            m_SlotIcon.GetRadialIconPanel().Show( false );
        }
    }
    
    void SetSlotIcon( SlotsIcon icon )
    {
        m_SlotIcon = icon;
    }
    
    void SetDefaultFocus(bool while_micromanagment_mode = false)
    {
        m_ActiveIndex = 0;
    }
    
    void SetLastFocus()
    {
        m_ActiveIndex = 0;
        m_FocusedColumn = 0;
        if ( m_OpenedContainers.Count() > 0 )
        {
            m_ActiveIndex = m_OpenedContainers.Count() - 1;
        }
    }
    
    void Unfocus()
    {
    }
    
    void MoveGridCursor(int direction)
    {
        if ( direction == Direction.UP )
        {
            SetPreviousActive();
        }
        else if ( direction == Direction.DOWN )
        {
            SetNextActive();
        }
        else if ( direction == Direction.RIGHT )
        {
            SetNextRightActive();
        }
        else if ( direction == Direction.LEFT )
        {
            SetNextLeftActive();
        }
        
        UpdateSelectionIcons();
        
        Inventory.GetInstance().UpdateConsoleToolbar();
    }
 
    void ScrollToActiveContainer()
    {
        ScrollWidget sw = GetScrollWidget();
        if (sw)
        {
            ScrollToActiveContainer(sw);
        }
        
        #ifndef PLATFORM_CONSOLE
        ScrollWidget ssw = GetSlotsScrollWidget();
        if (ssw)
        {
            ScrollToActiveContainer(ssw);
        }
        #endif
    }
    
    void ScrollToActiveContainer(ScrollWidget sw)
    {
        if (!sw)
            return;
 
        float x, y, y_s;
        float f_y,f_h;
        float amount;
        
        sw.GetScreenPos(x, y);
        sw.GetScreenSize(x, y_s);
        f_y = GetFocusedContainerYScreenPos(true);
        f_h = GetFocusedContainerHeight(true);
        
        float next_pos = f_y + f_h;
        if (next_pos > (y + y_s))
        {
            amount  =  sw.GetVScrollPos() + next_pos - (y + y_s) + 2;
            sw.VScrollToPos(amount);
        }
        else if (f_y < y)
        {
            amount = sw.GetVScrollPos() + f_y - y - 2;
            sw.VScrollToPos(amount);
        }
        
        //CheckScrollbarVisibility();
    }
    
    void CheckScrollbarVisibility()
    {
        ScrollWidget sw = GetScrollWidget();
        if (sw)
        {
            CheckScrollbarVisibility(sw);
        }
        
        #ifndef PLATFORM_CONSOLE
        ScrollWidget ssw = GetSlotsScrollWidget();
        if (ssw)
        {
            CheckScrollbarVisibility(ssw);
        }
        #endif
    }
    
    void CheckScrollbarVisibility(ScrollWidget sw)
    {
        if (!sw)
            return;
 
        if (!sw.IsScrollbarVisible())
        {
            sw.VScrollToPos01(0.0);
        }
        else if (sw.GetVScrollPos01() > 1.0)
        {
            sw.VScrollToPos01(1.0);
        }
    }
    
    void Open()
    {
        m_Closed = false;
        UpdateSelectionIcons();
    }
    
    void Close()
    {
        m_Closed = true;
        UpdateSelectionIcons();
    }
    
    bool IsOpened()
    {
        return !m_Closed;
    }
    
    void SetOpenForSlotIcon(bool open, SlotsIcon icon = null/*m_SlotIcon*/)
    {
        if (!icon)
        {
            icon = m_SlotIcon;
        }
        
        if (icon)
        {
            icon.GetRadialIcon().Show(open);
            icon.GetRadialIconClosed().Show(!open);
        }
        /*else
        {
            ErrorEx("Dbg No Icon");
        }*/
    }
    
    void Toggle()
    {
        if (IsOpened())
        {
            Close();
        }
        else
        {
            Open();
        }
        SetOpenForSlotIcon(IsOpened());
    }
    
    float GetFocusedContainerHeight( bool contents = false )
    {
        float x, y, result;
        if( GetFocusedContainer() )
            y = GetFocusedContainer().GetFocusedContainerHeight( contents );
        else if( GetRootWidget() )
            GetRootWidget().GetScreenSize( x, y );
        
        result = y;
        
        if ( m_ActiveIndex == 0 )
        {
            if ( GetHeader() )
            {
                GetHeader().GetRootWidget().GetScreenSize( x, y );
                result += y;
            }
        }
        return result;
    }
    
    float GetFocusedContainerYPos( bool contents = false )
    {
        float x, y;
        if( GetFocusedContainer() )
            y = GetFocusedContainer().GetFocusedContainerYPos( contents );
        else if( GetRootWidget() )
            GetRootWidget().GetPos( x, y );
        
        return y;
    }
    
    float GetFocusedContainerYScreenPos( bool contents = false )
    {
        float x, y, result;
        if( GetFocusedContainer() )
            y = GetFocusedContainer().GetFocusedContainerYScreenPos( contents );
        else if( GetRootWidget() )
            GetRootWidget().GetScreenPos( x, y );
        
        
        result = y;
        
        if ( m_ActiveIndex == 0 )
        {
            if ( GetHeader() )
            {
                GetHeader().GetRootWidget().GetScreenPos( x, y );
                result = y;
            }
        }
        return result;
    }
 
    int Count()
    {
        return m_Body.Count();
    }
    
    bool SelectItem()
    {
        if( GetFocusedContainer() )
            return GetFocusedContainer().SelectItem();
        return false;
    }
    
    bool Select()
    {
        if( GetFocusedContainer() )
            return GetFocusedContainer().Select();
        return false;
    }
    
    bool OnSelectButton()
    {
        if(GetFocusedContainer())
        {
            return GetFocusedContainer().OnSelectButton();
        }
        return false;
    }
    
    bool Combine()
    {
        if( GetFocusedContainer() )
            return GetFocusedContainer().Combine();
        return true;
    }
    
    bool TransferItemToVicinity()
    {
        if( GetFocusedContainer() )
            return GetFocusedContainer().TransferItemToVicinity();
        return false;
    }
    
    bool TransferItem()
    {
        if( GetFocusedContainer() )
            return GetFocusedContainer().TransferItem();
        return false;
    }
    
    bool InspectItem()
    {
        if( GetFocusedContainer() )
            return GetFocusedContainer().InspectItem();
        return false;
    }
    
    bool SplitItem()
    {
        if (GetFocusedContainer())
        {
            return GetFocusedContainer().SplitItem();
        }
        else
        {
            if (CanSplit())
            {
                ItemBase.Cast(GetFocusedItem()).OnRightClick();
            }
        }
        return false;
    }
    
    bool EquipItem()
    {
        if (GetFocusedContainer())
            return GetFocusedContainer().EquipItem();
        
        if (CanEquip())
        {   
            EntityAI ent = GetFocusedItem();
            bool res = false;
            
            if (ent)
            {
                res = GetGame().GetPlayer().PredictiveTakeOrSwapAttachment(ent);
                if(!res)
                {
                    res = GetGame().GetPlayer().PredictiveTakeEntityToInventory(FindInventoryLocationType.ATTACHMENT, ent);
                }
            }
            return res;
        }
        return false;
    }
    
    bool CanOpenCloseContainer()
    {
        if ( ItemManager.GetInstance().IsMicromanagmentMode() )
            return false;
        
        EntityAI focusedEntity = GetFocusedItem();
        if (focusedEntity)
        {
            if (GetFocusedContainer())
                return GetFocusedContainer().CanOpenCloseContainerEx(focusedEntity);
        
            return CanOpenCloseContainerEx(focusedEntity);
        }
 
        return false;       
    }
    
    bool CanOpenCloseContainerEx(EntityAI focusedEntity)
    {
        return false;
    }
    
    bool CanSplit()
    {
        EntityAI focusedEntity = GetFocusedItem();
        if (focusedEntity)
        {
            if (GetFocusedContainer())
                return GetFocusedContainer().CanSplitEx(focusedEntity);
        
            return CanSplitEx(focusedEntity);
        }
 
        return false;       
    }
    
    bool CanSplitEx(EntityAI focusedEntity)
    {
        if ( ItemManager.GetInstance().IsMicromanagmentMode() )
            return false;
        
        if (focusedEntity)
        {
            if (GetFocusedContainer())
                return GetFocusedContainer().CanSplitEx(focusedEntity);
            
            return focusedEntity.CanBeSplit();
        }
        return false;
    }
    
    bool CanDrop()
    {
        EntityAI focusedEntity = GetFocusedItem();
        if (focusedEntity)
        {
            if (GetFocusedContainer())
                return GetFocusedContainer().CanDropEx(focusedEntity);
        
            return CanDropEx(focusedEntity);
        
        }
 
        return false;
    }
    
    bool CanDropEx(EntityAI focusedEntity)
    {
        if ( ItemManager.GetInstance().IsMicromanagmentMode() )
            return false;
        
        if (focusedEntity)
        {
            PlayerBase player = PlayerBase.Cast(GetGame().GetPlayer());
        
            if (player)
            {
                return player.CanDropEntity(focusedEntity);
            }
        }
        return false;
    }
    
    bool CanSwapOrTakeToHands()
    {
        EntityAI focusedEntity = GetFocusedItem();
        if (focusedEntity)
        {
            if (GetFocusedContainer())
                return GetFocusedContainer().CanSwapOrTakeToHandsEx(focusedEntity);
        
            return CanSwapOrTakeToHandsEx(focusedEntity);
        }
 
        return false;   
    }
    
    bool CanSwapOrTakeToHandsEx(EntityAI focusedEntity)
    {
        if ( ItemManager.GetInstance().IsMicromanagmentMode() )
            return false;
        
        if (focusedEntity)
        {
            PlayerBase player = PlayerBase.Cast(GetGame().GetPlayer());
            EntityAI entityInHands = player.GetItemInHands();
            if (entityInHands)
            {
                InventoryLocation il = new InventoryLocation();
    
                if (!GameInventory.CanSwapEntitiesEx(focusedEntity, entityInHands))
                {
                    return GameInventory.CanForceSwapEntitiesEx( focusedEntity, null, entityInHands, il );
                }
                else
                {
                    return true;
                }
            }
            else
            {       
                return player.GetInventory().CanAddEntityIntoHands(focusedEntity);
            }
        }
        return false;   
    }
    
    bool CanEquip()
    {   
        EntityAI focusedEntity = GetFocusedItem();
        if (focusedEntity)
        {
            if (GetFocusedContainer())
                return GetFocusedContainer().CanEquipEx(focusedEntity);
        
            return CanEquipEx(focusedEntity);
        }
 
        return false;   
    }
    
    bool CanEquipEx(EntityAI focusedEntity)
    {
        if ( ItemManager.GetInstance().IsMicromanagmentMode() )
            return false;
        
        bool found = false;
        if (focusedEntity)
        {
            InventoryLocation il = new InventoryLocation;
            PlayerBase player = PlayerBase.Cast(GetGame().GetPlayer());
            found = player.GetInventory().FindFreeLocationFor(focusedEntity,FindInventoryLocationType.ATTACHMENT, il);
            
            if (found && il.GetParent().GetInventory().FindAttachment(il.GetSlot()))
            {
                found = false;
            }
            else if (!found)
            {
                for (int i = 0; i < focusedEntity.GetInventory().GetSlotIdCount(); i++)
                {               
                    int slot_id = focusedEntity.GetInventory().GetSlotId(i);
                    EntityAI slot_item = player.GetInventory().FindAttachment( slot_id );
                    if (slot_item && player.GetInventory().CanSwapEntitiesEx( focusedEntity, slot_item ))
                    {
                        found = true;
                        break;
                    }
                    
                }
            }
        }
        return found;
    }
    
    bool CanTakeToInventory()
    {
        EntityAI focusedEntity = GetFocusedItem();
        if (focusedEntity)
        {
            if (GetFocusedContainer())
                return GetFocusedContainer().CanTakeToInventoryEx(focusedEntity);
        
            return CanTakeToInventoryEx(focusedEntity);
        }
 
        return false;
    }
    
    bool CanTakeToInventoryEx(EntityAI focusedEntity)
    {
        if ( ItemManager.GetInstance().IsMicromanagmentMode() )
            return false;
        
        if (focusedEntity)
        {
            PlayerBase player = PlayerBase.Cast(GetGame().GetPlayer());
            return player.GetInventory().CanAddEntityToInventory(focusedEntity,FindInventoryLocationType.CARGO);
        }
        return false;
    }
    
    bool CanCombine()
    {
        EntityAI focusedEntity = GetFocusedItem();
        if (focusedEntity)
        {
            if (GetFocusedContainer())
                return GetFocusedContainer().CanCombineEx(focusedEntity);
        
            return CanCombineEx(focusedEntity);
        }
 
        return false;
    }
    
    bool CanCombineEx(EntityAI focusedEntity)
    {
        if (ItemManager.GetInstance().IsMicromanagmentMode())
            return false;
        
        if (focusedEntity)
        {
            EntityAI entityInHands = PlayerBase.Cast(GetGame().GetPlayer()).GetItemInHands();
            if (focusedEntity != entityInHands)
            {
                return (ItemManager.GetCombinationFlags(entityInHands, focusedEntity) != 0);
            }
        }
        return false;
    }
    
    bool CanCombineAmmo()
    {
        if( GetFocusedContainer() )
            return GetFocusedContainer().CanCombineAmmo();
        return false;
    }
    
    bool CanAddToQuickbarEx(EntityAI focusedEntity)
    {
        if ( ItemManager.GetInstance().IsMicromanagmentMode() )
            return false;
        
        if (focusedEntity)
        {
            PlayerBase player = PlayerBase.Cast(GetGame().GetPlayer());
            if (focusedEntity.GetHierarchyRootPlayer() == player)
            {
                return true;
            }
        }
        
        return false;
    }
    
    bool AddItemToQuickbarRadial(EntityAI itemToAssign)
    {
        if ( CanAddToQuickbarEx(itemToAssign) )
        {
            PlayerBase player = PlayerBase.Cast(GetGame().GetPlayer());
            DayZPlayerInventory dpi;
            dpi = player.GetDayZPlayerInventory();
            
            if (itemToAssign && dpi && !dpi.IsProcessing())
            {
                RadialQuickbarMenu.SetItemToAssign(itemToAssign);
                
                //open radial quickbar menu
                if (!GetGame().GetUIManager().IsMenuOpen(MENU_RADIAL_QUICKBAR))
                {
                    RadialQuickbarMenu.OpenMenu(GetGame().GetUIManager().FindMenu(MENU_INVENTORY));
                }               
            }
            return true;
        }
        return false;
    }
    
    bool IsEmpty()
    {
        return m_OpenedContainers.Count() == 0;
    }
    
    bool IsItemActive()
    {
        if( GetFocusedContainer() )
            return GetFocusedContainer().IsItemActive();
        return false;
    }
 
    bool IsItemWithQuantityActive()
    {
        if( GetFocusedContainer() )
            return GetFocusedContainer().IsItemWithQuantityActive();
        return false;
    }
    
    EntityAI GetFocusedItem()
    {
        EntityAI item;
        if( GetFocusedContainer() )
            item = GetFocusedContainer().GetFocusedItem();
 
        return item;
    }
    
    EntityAI GetFocusedContainerEntity()
    {
        EntityAI item;
        if( GetFocusedContainer() )
            item = GetFocusedContainer().GetFocusedContainerEntity();
        return item;
    }
    
    int GetColumnCount()
    {
        return m_ColumnCount;
    }
    
    void SetColumnCount( int count )
    {
        m_ColumnCount = count;
    }
    
    int GetFocusedColumn()
    {
        return m_FocusedColumn;
    }
    
    void SetFocusedColumn( int column )
    {
        m_FocusedColumn = column;
    }
    
    override void UpdateInterval()
    {
        for ( int i = 0; i < m_Body.Count(); i++ )
        {
            if ( m_Body.Get( i ) )
                m_Body.Get( i ).UpdateInterval();
        }
        
        CheckHeaderDragability();
    }
 
    override void SetLastActive()
    {
        if (m_IsActive)
        {
            m_IsActive = true;
            if (m_OpenedContainers.Count())
            {
                SetLastFocus();
                if (!m_OpenedContainers[m_ActiveIndex].IsActive())
                {
                    for (int i = 0; i < m_OpenedContainers.Count() - 1; i++)
                    {
                        if (m_OpenedContainers[i].IsActive())
                        {
                            m_OpenedContainers[i].SetActive(false);
                        }
                    }
                    m_OpenedContainers[m_ActiveIndex].SetLastActive();
                }
                else
                {
                    m_OpenedContainers[m_ActiveIndex].SetLastActive();
                }
            }
        }
        else
        {
            m_IsActive = true;
            if (GetHeader())
            {
                GetHeader().SetActive(m_IsActive);
            }
            SetLastFocus();
            if (m_OpenedContainers.Count())
            {
                Container c = Container.Cast(m_OpenedContainers.Get( m_ActiveIndex ));
                if (c)
                {
                    c.SetLastActive( );
                }
            }
        }
    }
    
    override void SetFirstActive()
    {
        if (!m_IsActive)
        {
            SetActive(true);
        }
        else
        {
            if (m_OpenedContainers.Count())
            {
                SetDefaultFocus();
                if (!m_OpenedContainers[m_ActiveIndex].IsActive())
                {
                    for (int i = 1; i < m_OpenedContainers.Count(); i++)
                    {
                        if (m_OpenedContainers[i].IsActive())
                        {
                            m_OpenedContainers[i].SetActive(false);
                        }
                    }
                    m_OpenedContainers[m_ActiveIndex].SetActive(true);
                }
                else
                {
                    m_OpenedContainers[m_ActiveIndex].SetFirstActive();
                }
            }
        }
    }
    
    override void SetActive(bool active)
    {
        if (!active)
        {
            HideOwnedTooltip();
        }
        
        if (!active && !m_IsActive)
            return;
        
        super.SetActive( active );
        if ( GetHeader() )
        {
            GetHeader().SetActive(active);
        }
 
        if (m_MainWidget.FindAnyWidget("SelectedContainer"))
        {
            m_MainWidget.FindAnyWidget("SelectedContainer").Show(active);
        }
        
        Container c;
        if( active )
        {
 
            SetDefaultFocus();
            if( m_OpenedContainers.Count() )
            {               
                c = Container.Cast(m_OpenedContainers.Get( m_ActiveIndex ));
                if (c)
                {
                    c.SetActive(active);
                }
            }
        }
        else
        {
            c = GetFocusedContainer();
            if (c)
            {
                GetFocusedContainer().SetActive(false);
            }
            Unfocus();
            m_ActiveIndex = 0;
            m_FocusedColumn = 0;
        }
    }
 
    void UnfocusAll()
    {
        for ( int i = 0; i < Count(); i++ )
        {
            for ( int j = 0; j < ITEMS_IN_ROW; j++ )
            {
                SlotsIcon icon;
                if (Get(i) && Get(i).GetMainWidget())
                    Get( i ).GetMainWidget().GetUserData(icon);
                
                if (icon)
                    icon.GetCursorWidget().Show( false );
            }
        }
    }
 
    void UnfocusGrid()
    {
        if( GetFocusedContainer() )
        {
            m_FocusedColumn = 0;
            GetFocusedContainer().UnfocusAll();
        }
    }
 
    bool IsLastIndex()
    {
        return m_ActiveIndex == ( m_OpenedContainers.Count() - 1 );
    }
    
    bool IsFirstIndex()
    {
        return m_ActiveIndex == 0; 
    }
    
    bool IsFirstContainerFocused()
    {
        return m_ActiveIndex == 0;
    }
    
    bool IsLastContainerFocused()
    {
        return m_ActiveIndex >= ( m_OpenedContainers.Count() - 1 );
    }
    
    void ResetFocusedContainer()
    {
        if ( GetFocusedContainer() )
        {
            GetFocusedContainer().ResetFocusedContainer();
        }
        
        m_ActiveIndex == 0;
    }
 
    void SetNextActive()
    {
        HideOwnedTooltip();
 
        Container active;
        if (m_OpenedContainers.Count())
        {
            active = Container.Cast(m_OpenedContainers[m_ActiveIndex]);
        }       
        
        if (active && active.IsActive())
        {
            active.SetNextActive();
        }
        if (!active || !active.IsActive())
        {
            Container next;
            if (!IsLastContainerFocused())
            {
                m_ActiveIndex++;
                
                next = Container.Cast(m_OpenedContainers[m_ActiveIndex]);
                next.SetActive(true);
            } 
            else if (Container.Cast( GetParent() ))
            {
                SetActive(false);
            }
            else
            {
                SetActive(false);
                SetFirstActive();
            }
        }
    }
 
    void SetPreviousActive(bool force = false)
    {
        HideOwnedTooltip();
        Container active;
        if (m_OpenedContainers.Count())
        {
            active = Container.Cast(m_OpenedContainers[m_ActiveIndex]);
        }
        
        if (active && active.IsActive())
        {
            active.SetPreviousActive();
        }
        
        if (!active || !active.IsActive())
        {
            Container prev;
            if (!IsFirstContainerFocused())
            {
                m_ActiveIndex--;
                
                prev = Container.Cast(m_OpenedContainers[m_ActiveIndex]);
                prev.SetLastActive();
            } 
            else if (Container.Cast( GetParent() ))
            {
                SetActive(false);
            }
            else
            {
                SetActive(false);
                SetLastActive();
            }           
        }
    }
    
    void SetNextRightActive()
    {
        Container active;
        if (m_OpenedContainers.Count())
        {
            active = Container.Cast(m_OpenedContainers[m_ActiveIndex]);
        }
        
        if (active)
        {
            active.SetNextRightActive();
        }
    }
    
    void SetNextLeftActive()
    {
        Container active;
        if (m_OpenedContainers.Count())
        {
            active = Container.Cast(m_OpenedContainers[m_ActiveIndex]);
        }
        
        if (active)
        {
            active.SetNextLeftActive();
        }
    }
    
    void SetSameLevelNextActive()
    {
        HideOwnedTooltip();
        Container active, next;
        if (m_OpenedContainers.Count())
        {
            active = Container.Cast(m_OpenedContainers[m_ActiveIndex]);
        }
 
        if (active && active.IsActive())
        {
            SlotsIcon icon = GetFocusedSlotsIcon();
            if (icon && icon.GetParent() && SlotsContainer.Cast(icon.GetParent()))
            {
                SlotsContainer sc = SlotsContainer.Cast(icon.GetParent());
                AttachmentsGroupContainer agc = AttachmentsGroupContainer.Cast(sc.GetParent());
                if (agc)
                {
                    agc.SetActive(false);
                }
            }
 
            active.SetSameLevelNextActive();
        }
 
        if (!active || !active.IsActive())
        {
            if (!IsLastContainerFocused())
            {
                m_ActiveIndex++;
                next = Container.Cast(m_OpenedContainers[m_ActiveIndex]);
                next.SetActive(true);
            } 
            else if (Container.Cast(GetParent()))
            {
                SetActive(false);
            }
            else
            {
                SetActive(false);
                SetFirstActive();
            }
        }
    }
 
    void SetSameLevelPreviousActive()
    {
        HideOwnedTooltip();
        Container active;
        if (m_OpenedContainers.Count())
        {
            active = Container.Cast(m_OpenedContainers[m_ActiveIndex]);
        }
 
        if (active && active.IsActive())
        {
            SlotsIcon icon = GetFocusedSlotsIcon();
            if (icon && icon.GetParent() && SlotsContainer.Cast(icon.GetParent()))
            {
                SlotsContainer sc = SlotsContainer.Cast(icon.GetParent());
                AttachmentsGroupContainer agc = AttachmentsGroupContainer.Cast(sc.GetParent());
                if (agc)
                {
                    agc.SetActive(false);
                }
            }
 
            active.SetSameLevelPreviousActive();
        }
        
        if (!active || !active.IsActive())
        {
            Container prev;
            if (!IsFirstContainerFocused())
            {
                m_ActiveIndex--;
                
                prev = Container.Cast(m_OpenedContainers[m_ActiveIndex]);
                prev.SetLastActive();
            } 
            else if (Container.Cast( GetParent() ))
            {
                SetActive(false);
            }
            else
            {
                SetActive(false);
                SetLastActive();
            }           
        }
    }
    
    void RecomputeOpenedContainers()
    {
        m_OpenedContainers.Clear();
        int i;
        bool need_reset_focus = false;
        Container c;
        for (i = 0; i < m_Body.Count(); i++)
        {
            c = Container.Cast(m_Body.Get( i ));
            if ( c ) 
            {
                c.RecomputeOpenedContainers();
                if (c.IsDisplayable() && c.IsVisible())
                {
                    m_OpenedContainers.Insert(c);
                }
                else if (c.IsActive())
                {
                    c.SetActive(false);
                    need_reset_focus = true;
                }
                
            }   
        }
        
        //In case of removing focused container or change order of containers
        if (IsActive())
        {
            if (!need_reset_focus && ( m_ActiveIndex >= m_OpenedContainers.Count() || !m_OpenedContainers[m_ActiveIndex].IsActive() ))
            {
                need_reset_focus = true;
                for (i = 0; i < m_OpenedContainers.Count(); i++)
                {
                    if (m_OpenedContainers[i].IsActive())
                    {
                        need_reset_focus = false;
                        m_ActiveIndex = i;
                    }
                }
            }
            
            if (need_reset_focus)
            {
                SetFirstActive();
            }
        }
    }
 
    override void SetLayoutName()
    {
        m_LayoutName = WidgetLayoutName.Container;
    }
 
    void Insert( LayoutHolder container, int pos = -1, bool immedUpdate = true )
    {
        if ( pos > -1 && pos < m_Body.Count() )
        {
            if ( pos <= m_ActiveIndex )
                m_ActiveIndex++;
            m_Body.InsertAt( container, pos );
        }
        else
            m_Body.Insert( container );
        
        if ( immedUpdate )
            Refresh();
    }
 
    void Remove( LayoutHolder container )
    {
        if( m_Body )
        {
            int index = m_Body.Find( container );
            if( index > -1 )
            {
                index = m_OpenedContainers.Find( container );
                if (index > -1)
                {
                    if (index <= m_ActiveIndex)
                    {
                        if (GetFocusedContainer() == container)
                        {
                            SetPreviousActive( true );
                        }
                        else
                        {
                            m_ActiveIndex--;
                        }
                    }
                    m_OpenedContainers.RemoveItem( container );
                }
                m_Body.RemoveItem( container );
            }
        }
        
        Refresh();
    }
    
    LayoutHolder Get( int x )
    {
        return m_Body.Get( x );
    }
 
    override void Refresh()
    {
        for ( int i = 0; i < m_Body.Count(); i++ )
        {
            if( m_Body.Get( i ) )
                m_Body.Get( i ).Refresh();
        }
    }
 
    void UpdateBodySpacers()
    {
        for ( int i = 0; i < m_Body.Count(); i++ )
        {
            Container c = Container.Cast( m_Body.Get( i ) );
            if( c && c.IsInherited( Container ) )
            {
                c.UpdateSpacer();
            }
        }
        
        UpdateSpacer();
    }
 
    void HideContent( bool force_hide = false )
    {
        if( !m_ForcedHide )
        {
            m_ForcedHide = force_hide;
        }
        for(int i = 0; i < m_Body.Count(); i++)
        {
            if( m_Body.Get( i ) )
                m_Body.Get( i ).OnHide();
        }
    }
    
    void ShowContent( bool force_show = false )
    {
        if( force_show )
            m_ForcedHide = false;
        
        if( !m_ForcedHide )
        {
            for(int i = 0; i < m_Body.Count(); i++)
            {
                if( m_Body.Get( i ) )
                m_Body.Get( i ).OnShow();
            }
        }
    }
    
    void SetForceShow(bool value)
    {
        m_ForcedShow = value;
    }
    
    override void UpdateSelectionIcons()
    {
        m_Parent.UpdateSelectionIcons();
    }
    
    void ExpandCollapseContainer(){}
}