ClosableHeader.c

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class ClosableHeader: Header
{
    protected float         m_SquareSize;
    protected int           m_DefaultSort;
    
    protected Widget        m_MovePanel;
    protected Widget        m_PanelWidget;
    protected Widget        m_DragRender;
    protected ButtonWidget  m_MoveUp;
    protected ButtonWidget  m_MoveDown;
    
    protected bool          m_IsInLocalEquipment;
    
    void ClosableHeader( LayoutHolder parent, string function_name )
    {
        m_MovePanel = GetMainWidget().FindAnyWidget( "MovePanel" );
        m_PanelWidget   = GetMainWidget().FindAnyWidget( "PanelWidget" );
        m_DragRender    = GetMainWidget().FindAnyWidget( "Drag_Render" );
        m_MoveUp    = ButtonWidget.Cast( GetMainWidget().FindAnyWidget( "MoveUp" ) );
        m_MoveDown  = ButtonWidget.Cast( GetMainWidget().FindAnyWidget( "MoveDown" ) );
        
        WidgetEventHandler.GetInstance().RegisterOnClick( m_MoveUp,  m_Parent, "MoveContainerUp" );
        WidgetEventHandler.GetInstance().RegisterOnClick( m_MoveDown,  m_Parent, "MoveContainerDown" );
        WidgetEventHandler.GetInstance().RegisterOnMouseLeave( m_MoveUp,  this, "MouseLeave" );
        WidgetEventHandler.GetInstance().RegisterOnMouseLeave( m_MoveDown,  this, "MouseLeave" );
        
        WidgetEventHandler.GetInstance().RegisterOnDrag( GetMainWidget() ,  this, "OnDragHeader" );
        WidgetEventHandler.GetInstance().RegisterOnDrop( GetMainWidget() ,  this, "OnDropHeader" );
        
        WidgetEventHandler.GetInstance().RegisterOnMouseEnter( GetMainWidget(),  this, "MouseEnter" );
        WidgetEventHandler.GetInstance().RegisterOnMouseLeave( GetMainWidget(),  this, "MouseLeave" );
        
        float temp;
        GetMainWidget().GetScreenSize( temp, m_SquareSize );
        
        m_DefaultColor          = m_PanelWidget.GetColor();
        m_DefaultFontSize       = 20;
        
        if( GetParent() && GetParent().GetParent() && GetParent().GetParent().GetParent() )
            m_IsInLocalEquipment    = GetParent().GetParent().GetParent().IsInherited( RightArea );
    }
    
    void ~ClosableHeader()
    {
        if( InventoryItem.Cast( m_Entity ) )
            InventoryItem.Cast( m_Entity ).GetOnItemFlipped().Remove( UpdateFlip );
    }
 
    override void SetLayoutName()
    {
        m_LayoutName = WidgetLayoutName.ClosableHeader;
    }
    
    override void SetName( string name )
    {
        name.ToUpper();
        
        m_HeaderText.SetText( name );
        m_HeaderText.Update();
        
        float x, y;
        m_HeaderText.GetScreenSize( x, y );
        m_PanelWidget.SetSize( 1, y + InventoryMenu.GetHeightMultiplied( 10 ) );
    }
    
    void OnDragHeader( Widget w, int x, int y )
    {
        ClosableContainer parent = ClosableContainer.Cast( m_Parent );
        if( parent && GetMainWidget() && m_Entity )
        {
            ItemPreviewWidget item_preview_drag = ItemPreviewWidget.Cast( m_DragRender );
            item_preview_drag.SetFlags(WidgetFlags.EXACTPOS );
            m_DefaultSort = GetRootWidget().GetSort();
            item_preview_drag.GetParent().GetParent().GetParent().GetParent().GetParent().GetParent().GetParent().GetParent().AddChild( GetRootWidget() );
            if( item_preview_drag && m_Entity )
            {
                item_preview_drag.SetItem( m_Entity );
                item_preview_drag.SetView( m_Entity.GetViewIndex() );
            }
            
            ItemManager.GetInstance().SetIsDragging( true );
            
            parent.HideContent( true );
            
            m_PanelWidget.Show( false );
            if( item_preview_drag )
                item_preview_drag.Show( true );
            
            int ww, hh;
            GetGame().GetInventoryItemSize( InventoryItem.Cast( m_Entity ), ww, hh );
            if( item_preview_drag )
            {
                m_Entity.GetOnItemFlipped().Insert( UpdateFlip );
                if( m_Entity.GetInventory().GetFlipCargo() )
                {
                    item_preview_drag.SetSize( hh * m_SquareSize, ww * m_SquareSize );
                }
                else
                {
                    item_preview_drag.SetSize( ww * m_SquareSize, hh * m_SquareSize );
                }
            }
        }
    }
    
    void UpdateFlip( bool flipped )
    {
        ItemPreviewWidget item_preview_drag = ItemPreviewWidget.Cast( m_DragRender );
        if( InventoryItem.Cast( m_Entity ) && item_preview_drag )
        {
            int ww, hh;
            GetGame().GetInventoryItemSize( InventoryItem.Cast( m_Entity ), ww, hh );
            if( flipped )
            {
                item_preview_drag.SetSize( hh * m_SquareSize, ww * m_SquareSize );
            }
            else
            {
                item_preview_drag.SetSize( ww * m_SquareSize, hh * m_SquareSize );
            }
        }
    }
    
    void OnDropHeader( Widget w )
    {
        ClosableContainer parent = ClosableContainer.Cast( m_Parent );
        parent.GetMainWidget().AddChild( GetRootWidget() );
        GetRootWidget().SetSort( 0 );
        if( parent )
        {
            //
            ItemPreviewWidget item_preview_drag = ItemPreviewWidget.Cast( m_DragRender );
            if( item_preview_drag )
            {
                item_preview_drag.SetItem( null );//TODO: is this safe?
            }
            //
            
            m_PanelWidget.Show( true );
            m_DragRender.Show( false );
            
            parent.ShowContent( true );
            
            ItemManager.GetInstance().HideDropzones();
            ItemManager.GetInstance().SetIsDragging( false );
        }
        if( InventoryItem.Cast( m_Entity ) )
            InventoryItem.Cast( m_Entity ).GetOnItemFlipped().Remove( UpdateFlip );
    }
    
    bool MouseEnter(Widget w, int x, int y)
    {
        if( m_IsInLocalEquipment && !GetDragWidget() )
        {
            #ifdef PLATFORM_CONSOLE
            m_MovePanel.Show( GetGame().GetInput().IsEnabledMouseAndKeyboardEvenOnServer() );
            #else
            m_MovePanel.Show( true );
            #endif
        }
        PrepareOwnedTooltip( m_Entity, x, y );
        return true;
    }
 
    bool MouseLeave( Widget w, Widget enter_w, int x, int y )
    {
        if( enter_w != m_MoveUp && enter_w != m_MoveDown && enter_w != m_CollapseButton )
        {
            if( m_IsInLocalEquipment )
            {
                m_MovePanel.Show( false );
            }
        }
        HideOwnedTooltip();
        return true;
    }
    
    override void SetActive( bool active )
    {
        super.SetActive( active );
        if( active )
        {
            m_PanelWidget.SetColor( ARGBF( 1, 1, 0, 0 ) );
        }
        else
        {
            m_PanelWidget.SetColor( m_DefaultColor );
        }
    }
}