leftarea.c

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class LeftArea: Container
{
    protected Widget                    m_UpIcon;
    protected Widget                    m_DownIcon;
    protected Widget                    m_ContentParent;
    protected ref VicinityContainer     m_VicinityContainer;
    protected ScrollWidget              m_ScrollWidget;
    protected ref SizeToChild           m_ContentResize;
    protected bool                      m_ShouldChangeSize = true;
    protected bool                      m_IsProcessing = false; // Prevents refreshing every time a child is added while it is still processing
    
    void LeftArea(LayoutHolder parent )
    {
        m_MainWidget.Show(true, false);
        
        m_ContentParent = m_MainWidget.FindAnyWidget("ContentParent");
        m_ContentParent.GetScript(m_ContentResize);
        
        m_ScrollWidget  = ScrollWidget.Cast(m_MainWidget.FindAnyWidget("Scroller"));
        m_MainWidget    = m_MainWidget.FindAnyWidget("Content");
        
        m_UpIcon        = m_RootWidget.FindAnyWidget("Up");
        m_DownIcon      = m_RootWidget.FindAnyWidget("Down");
        
        m_VicinityContainer = new VicinityContainer(this, false);
        m_Body.Insert(m_VicinityContainer);
        m_ActiveIndex = 0;
        
        WidgetEventHandler.GetInstance().RegisterOnChildAdd(m_MainWidget, this, "OnChildAdd");
        WidgetEventHandler.GetInstance().RegisterOnChildRemove(m_MainWidget, this, "OnChildRemove");
        RecomputeOpenedContainers();
    }
    
    override void UnfocusGrid()
    {
        Container active_container;
        for ( int i = 0; i < m_OpenedContainers.Count(); i++ )
        {
            active_container = Container.Cast( m_OpenedContainers.Get( i ) );
            active_container.UnfocusGrid();
        }
    }
    
    override bool IsActive()
    {
        if( m_OpenedContainers.Count() <= m_ActiveIndex )
        {
            m_ActiveIndex = 0;
        }
        Container active_container = Container.Cast( m_OpenedContainers.Get( m_ActiveIndex ) );
        return active_container.IsActive( );
    }
    
    override void SetActive( bool active )
    {
        super.SetActive( active );
        
        UpdateSelectionIcons();
    }
    
    override ScrollWidget GetScrollWidget()
    {
        return m_ScrollWidget;
    }
    
    override void UpdateSelectionIcons()
    {
        #ifdef PLATFORM_CONSOLE
            ScrollToActiveContainer();
        #endif
        m_UpIcon.Show( m_IsActive );
        m_DownIcon.Show( m_IsActive );
        if( m_IsActive )
        {
            float x, y;
            m_UpIcon.GetScreenSize( x, y );
            
            float top_y     = GetCurrentContainerTopY();
            m_UpIcon.SetPos( 0, Math.Clamp( top_y, 0, 99999 ) );
            
            #ifndef PLATFORM_CONSOLE
            float x2, y2;
            m_DownIcon.GetScreenSize( x2, y2 );
            float bottom_y  = GetCurrentContainerBottomY() - y2;
            
            float diff      = bottom_y - ( top_y + y );
            if( diff < 0 )
            {
                top_y += diff / 2;
                bottom_y -= diff / 2;
            }
            m_DownIcon.SetPos( 0, bottom_y );
            #endif
        }
    }
    
    float GetCurrentContainerTopY()
    {
        float x, y, cont_screen_pos;
        m_MainWidget.GetScreenPos( x, y );
        if ( m_OpenedContainers.IsValidIndex( m_ActiveIndex ) )
            cont_screen_pos = Container.Cast( m_OpenedContainers.Get( m_ActiveIndex ) ).GetFocusedContainerYScreenPos();
 
        return cont_screen_pos - y;
    }
    
    float GetCurrentContainerBottomY()
    {
        float x, y, cont_screen_pos, cont_screen_height;
        m_MainWidget.GetScreenPos( x, y );
        
        if ( m_OpenedContainers.IsValidIndex( m_ActiveIndex ) )
        {
            cont_screen_pos = Container.Cast( m_OpenedContainers.Get( m_ActiveIndex ) ).GetFocusedContainerYScreenPos();
            cont_screen_height = Container.Cast( m_OpenedContainers.Get( m_ActiveIndex ) ).GetFocusedContainerHeight();
        }
            
        return cont_screen_pos - y + cont_screen_height;
    }
    
    override void SetSameLevelNextActive()
    {
        m_VicinityContainer.SetSameLevelNextActive();
        Refresh();
    }
    override void SetSameLevelPreviousActive()
    {
        m_VicinityContainer.SetSameLevelPreviousActive();
        Refresh();
    }
    
    override void ExpandCollapseContainer()
    {
        Container c = GetFocusedContainer();        
        if (c)
        {
            c.ExpandCollapseContainer();
        }
        
        Refresh();
    }
    
    void OnLeftPanelDropReceived( Widget w, int x, int y, Widget receiver )
    {
        m_VicinityContainer.OnLeftPanelDropReceived( w, x, y, receiver );
    }
    
    override void DraggingOverHeader( Widget w, int x, int y, Widget receiver )
    {
        m_VicinityContainer.DraggingOverHeader( w, x, y, receiver );
    }
    
    override void SetLayoutName()
    {
        #ifdef PLATFORM_CONSOLE
            m_LayoutName = WidgetLayoutName.LeftAreaXbox;
        #else
            switch ( InventoryMenu.GetWidthType() )
            {
                case ScreenWidthType.NARROW:
                {
                    m_LayoutName = WidgetLayoutName.LeftAreaNarrow;
                    break;
                }
                case ScreenWidthType.MEDIUM:
                {
                    m_LayoutName = WidgetLayoutName.LeftAreaMedium;
                    break;
                }
                case ScreenWidthType.WIDE:
                {
                    m_LayoutName = WidgetLayoutName.LeftAreaWide;
                    break;
                }
            }
        #endif
            
    }
    
    override EntityAI GetFocusedItem()
    {
        EntityAI item = GetFocusedContainer().GetFocusedItem();
        return item;
    }
    
    VicinityContainer GetVicinityContainer()
    {
        return m_VicinityContainer;
    }
    
    override void SetParentWidget()
    {
        m_ParentWidget = m_Parent.GetMainWidget().FindAnyWidget( "LeftPanel" );
    }
    
    override void OnShow()
    {
        super.OnShow();
        Refresh();
    }
    
    override void Refresh()
    {
        super.Refresh();
        
        m_MainWidget.Update();
        m_RootWidget.Update();
        m_ScrollWidget.Update();
        
        UpdateSelectionIcons();
        m_ShouldChangeSize = true;
    }
    
    override void UpdateInterval()
    {
        m_IsProcessing = true;
        super.UpdateInterval();
        m_IsProcessing = false;
        
        float x, y;
        float x2, y2;
        m_ContentParent.GetScreenSize( x, y );
        m_MainWidget.GetScreenSize( x2, y2 );
        if ( y2 != y )
            m_ShouldChangeSize = true;
        bool changed_size;
        //if ( m_ShouldChangeSize )
            m_ContentResize.ResizeParentToChild( changed_size );
        if ( changed_size || m_ShouldChangeSize )
        {
            m_MainWidget.Update();
            m_RootWidget.Update();
            m_ScrollWidget.Update();
            m_ShouldChangeSize = false;
        }
        CheckScrollbarVisibility();
    }
 
    override bool OnChildRemove( Widget w, Widget child )
    {
        if (!m_IsProcessing)
            Refresh();
        return true;
    }
    
    override bool OnChildAdd( Widget w, Widget child )
    {
        if (!m_IsProcessing)
            Refresh();
        return true;
    }
}