SCR_LoadoutGallery.c

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class SCR_LoadoutGallery : SCR_GalleryComponent
{
    [Attribute("{39D815C843414C76}UI/layouts/Menus/DeployMenu/LoadoutButton.layout")]
    protected ResourceName m_sLoadoutButton;
    protected ref set<SCR_LoadoutButton> m_aLoadoutButtons = new set<SCR_LoadoutButton>();  
 
    protected ref ScriptInvoker<SCR_LoadoutButton> m_OnLoadoutClicked;
    protected ref ScriptInvoker<SCR_BasePlayerLoadout> m_OnLoadoutHovered;
    protected ref ScriptInvokerBool m_OnFocusChange = new ScriptInvokerBool();
    protected bool m_bFocused;
    
    override void HandlerAttached(Widget w)
    {
        super.HandlerAttached(w);
        EnablePagingInputListeners(false);
    }
    
    ScriptInvokerBool GetOnFocusChange()
    {
        return m_OnFocusChange;
    }
    
    void SetGalleryFocused(bool focused)
    {
        Widget focusedWidget = GetGame().GetWorkspace().GetFocusedWidget();
        if (m_bFocused && (focusedWidget && focusedWidget.IsInherited(SCR_LoadoutButton)))
            return;
        
        m_bFocused = focused;
        m_OnFocusChange.Invoke(m_bFocused);
    }
    
    override bool OnFocus(Widget w, int x, int y)
    {
        super.OnFocus(w, x, y);
        SetGalleryFocused(true);
        
        return false;
    }
    
    override bool OnFocusLost(Widget w, int x, int y)
    {
        super.OnFocusLost(w, x, y);
        SetGalleryFocused(false);
        
        return false;
    }
    
    bool GetFocused()
    {
        return m_bFocused;
    }
    
    void EnablePagingInputListeners(bool enable)
    {   
        GetGame().GetInputManager().RemoveActionListener(m_sActionLeft, EActionTrigger.DOWN, OnCustomLeft);
        GetGame().GetInputManager().RemoveActionListener(m_sActionRight, EActionTrigger.DOWN, OnCustomRight);
        
        if (!enable)
            return;
        
        GetGame().GetInputManager().AddActionListener(m_sActionLeft, EActionTrigger.DOWN, OnCustomLeft);
        GetGame().GetInputManager().AddActionListener(m_sActionRight, EActionTrigger.DOWN, OnCustomRight);
    }
    
    int AddItem(SCR_BasePlayerLoadout loadout, bool enabled = true)
    {
        Widget loadoutEntry = GetGame().GetWorkspace().CreateWidgets(m_sLoadoutButton);
        SCR_LoadoutButton loadoutBtn = SCR_LoadoutButton.Cast(loadoutEntry.FindHandler(SCR_LoadoutButton));
        if (loadoutBtn)
        {
            loadoutBtn.SetLoadout(loadout);
            loadoutBtn.SetEnabled(enabled);
 
            loadoutBtn.m_OnClicked.Insert(OnLoadoutClicked);
            loadoutBtn.m_OnFocus.Insert(OnLoadoutHovered);
            loadoutBtn.m_OnMouseEnter.Insert(OnLoadoutHovered);
 
            m_aLoadoutButtons.Insert(loadoutBtn);
        }
 
        int itm = AddItem(loadoutEntry);
        ShowPagingButtons(); // hack to go around hajkovinas
 
        return itm;
    }
    
    override void ShowPagingButtons(bool animate = true)
    {
        bool show = (m_aWidgets.Count() > m_iCountShownItems);
        if (m_PagingLeft)
            m_PagingLeft.SetVisible(show, false);
        
        if (m_PagingRight)
            m_PagingRight.SetVisible(show, false);
    }
 
    protected void OnLoadoutClicked(notnull SCR_LoadoutButton loadoutBtn)
    {
        GetOnLoadoutClicked().Invoke(loadoutBtn);
    }
    
    protected void OnLoadoutHovered(Widget btn)
    {
        SCR_LoadoutButton loadoutBtn = SCR_LoadoutButton.Cast(btn.FindHandler(SCR_LoadoutButton));
        if (loadoutBtn)
            GetOnLoadoutHovered().Invoke(loadoutBtn.GetLoadout());
    }
    
    Widget GetContentRoot()
    {
        return m_wContentRoot;
    }
 
    void SetSelected(SCR_BasePlayerLoadout loadout)
    {
        foreach (SCR_LoadoutButton loadoutBtn : m_aLoadoutButtons)
        {
            loadoutBtn.SetSelected(loadoutBtn.GetLoadout() == loadout)
        }
    }
 
    override void ClearAll()
    {
        super.ClearAll();
        m_aLoadoutButtons.Clear();
    }
 
    SCR_LoadoutButton GetButtonForLoadout(SCR_BasePlayerLoadout loadout)
    {
        foreach (SCR_LoadoutButton btn : m_aLoadoutButtons)
        {
            if (btn.GetLoadout() == loadout)
                return btn;
        }
 
        return null;
    }
    
    ScriptInvoker GetOnLoadoutClicked()
    {
        if (!m_OnLoadoutClicked)
            m_OnLoadoutClicked = new ScriptInvoker();
 
        return m_OnLoadoutClicked;
    }
    
    ScriptInvoker GetOnLoadoutHovered()
    {
        if (!m_OnLoadoutHovered)
            m_OnLoadoutHovered = new ScriptInvoker();
 
        return m_OnLoadoutHovered;
    }   
};