SCR_PagingButtonComponent.c

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//------------------------------------------------------------------------------------------------
class SCR_PagingButtonComponent : SCR_ButtonBaseComponent
{
    [Attribute()]
    protected bool m_bIsPositive;
 
    [Attribute("false", UIWidgets.Auto, "Use action hint instead of an image")]
    bool m_bUseActionHint;
 
    [Attribute("MenuSearch")]
    string m_sActionName;
 
    protected string m_sBackgroundImageName = "BackgroundImage";
    protected string m_sFrontImageName = "Panel";
    protected string m_sActionTextName = "ActionText";
 
    protected ImageWidget m_wPanel;
    protected TextWidget m_wText;
    protected Widget m_wBackgroundImage;
 
    ref ScriptInvoker m_OnActivated = new ScriptInvoker(); // Returns -1 if negative, 1 if positive
 
    //------------------------------------------------------------------------------------------------
    override void HandlerAttached(Widget w)
    {
        super.HandlerAttached(w);
 
        m_wBackgroundImage = w.FindAnyWidget(m_sBackgroundImageName);
        m_wPanel = ImageWidget.Cast(w.FindAnyWidget(m_sFrontImageName));
        m_wText = TextWidget.Cast(w.FindAnyWidget(m_sActionTextName));
 
        if (m_wPanel)
            m_wPanel.SetVisible(!m_bUseActionHint);
 
        if (m_wBackgroundImage)
        {
            m_wBackgroundImage.SetVisible(!m_bUseActionHint);
            m_wBackgroundImage.SetColor(m_BackgroundDefault);
        }
        
        if (m_wText)
        {
            m_wText.SetVisible(m_bUseActionHint);
            if (m_bUseActionHint)
            {
                m_wText.SetTextFormat("<action name='%1' scale='1.5'/>", m_sActionName);
            }
        }
        
        SetAction(m_sActionName);
 
        FlipImage(!m_bIsPositive);
    }
 
    //------------------------------------------------------------------------------------------------
    override bool OnClick(Widget w, int x, int y, int button)
    {
        super.OnClick(w, x, y, button);
 
        if (button != 0)
            return false;
 
        if (m_bIsPositive)
            m_OnActivated.Invoke(m_wRoot, 1);
        else
            m_OnActivated.Invoke(m_wRoot, -1);
 
        return false;
    }
 
    //------------------------------------------------------------------------------------------------
    protected void FlipImage(bool flip)
    {
        if (!m_wPanel || !m_wBackgroundImage)
            return;
 
        if (flip)
        {
            m_wPanel.SetFlags(WidgetFlags.FLIPU);
            m_wBackgroundImage.SetFlags(WidgetFlags.FLIPU);
        }
        else
        {
            m_wPanel.ClearFlags(WidgetFlags.FLIPU);
            m_wBackgroundImage.ClearFlags(WidgetFlags.FLIPU);
        }
    }
 
    //------------------------------------------------------------------------------------------------
    override protected void OnMenuSelect()
    {
        MenuSelectBase();
        if (!m_wRoot.IsEnabled())
            return;
 
        // Bail if attached to menu but menu is not focused
        if (!IsParentMenuFocused())
            return;
 
        if (m_bIsPositive)
            m_OnActivated.Invoke(m_wRoot, 1);
        else
            m_OnActivated.Invoke(m_wRoot, -1);
    }
 
    //------------------------------------------------------------------------------------------------
    override void SetEnabled(bool enabled, bool animate = true)
    {
        super.SetEnabled(enabled, animate);
        if (m_wBackgroundImage && !m_bUseActionHint)
            m_wBackgroundImage.SetVisible(enabled);
    }
 
    // User API
    //------------------------------------------------------------------------------------------------
    bool IsPositive()
    {
        return m_bIsPositive;
    }
 
    //------------------------------------------------------------------------------------------------
    void SetPositive(bool positive)
    {
        m_bIsPositive = positive;
    }
 
    //------------------------------------------------------------------------------------------------
    void SetAction(string name)
    {
        if (!m_wText)
            return;
 
        GetGame().GetInputManager().RemoveActionListener(m_sActionName, EActionTrigger.DOWN, OnMenuSelect);
        m_sActionName = name;
 
        // Handle case of empty action
        name = name.Trim();
        if (name == string.Empty)
        {
            if (m_wText)
                m_wText.SetText(" ");
        }
        else
        {
            GetGame().GetInputManager().AddActionListener(m_sActionName, EActionTrigger.DOWN, OnMenuSelect);
            m_wText.SetTextFormat("<action name='%1' scale='1.5'/>", m_sActionName);
        }
    }
 
    //------------------------------------------------------------------------------------------------
    override bool OnMouseEnter(Widget w, int x, int y)
    {
        super.OnMouseEnter(w, x, y);
 
        if (!m_bUseColorization)
            return false;
 
        PlaySound(m_sSoundHovered);
 
        if (m_bUseActionHint)
            AnimateWidget.Color(m_wText, m_BackgroundHovered, m_fAnimationRate);
        else
            AnimateWidget.Color(m_wBackgroundImage, m_BackgroundHovered, m_fAnimationRate);
 
        return false;
    }
 
    //------------------------------------------------------------------------------------------------
    override bool OnMouseLeave(Widget w, Widget enterW, int x, int y)
    {
        super.OnMouseLeave(w, enterW, x, y);
 
        if (!m_bUseColorization)
            return false;
 
        if (m_bUseActionHint)
            AnimateWidget.Color(m_wText, m_BackgroundDefault, m_fAnimationRate);
        else
            AnimateWidget.Color(m_wBackgroundImage, m_BackgroundDefault, m_fAnimationRate);
 
        return false;
    }
 
    //------------------------------------------------------------------------------------------------
    string GetAction()
    {
        return m_sActionName;
    }
 
    //------------------------------------------------------------------------------------------------
    static SCR_PagingButtonComponent GetPagingButtonComponent(string name, Widget parent, bool searchAllChildren = true)
    {
        return SCR_PagingButtonComponent.Cast(SCR_PagingButtonComponent.GetComponent(SCR_ButtonBaseComponent, name, parent, searchAllChildren));
    }
};