SCR_LoadingCircleComponent.c

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// Component for simple loading circle widget with endless spining  
 
//------------------------------------------------------------------------------------------------
class SCR_LoadingCircleComponent : SCR_WLibComponentBase 
{
    const string WIDGET_IMAGE = "Image";
    
    [Attribute("1", UIWidgets.CheckBox, "Speed of rotation")]
    protected float m_fSpeed;
    
    protected bool m_bIsPlayingAnimation;
    protected bool m_bIsAnimationDone;
    
    SizeLayoutWidget m_wRootSize;
    ImageWidget m_wImage;
    
    //------------------------------------------------------------------------------------------------
    override void HandlerAttached(Widget w)
    {
        super.HandlerAttached(w);
        
        m_wRoot = w;
        
        m_wRootSize = SizeLayoutWidget.Cast(m_wRoot);
        m_wImage = ImageWidget.Cast(m_wRoot.FindAnyWidget(WIDGET_IMAGE));
 
        m_bIsPlayingAnimation = true;
        m_bIsAnimationDone = true;
        
        Animate();
    }
    
    //------------------------------------------------------------------------------------------------  
    protected void Animate()
    {
        if (!m_wImage)
            return;
        
        m_wImage.SetRotation(0);
        WidgetAnimationBase anim = AnimateWidget.Rotation(m_wImage, 360, m_fSpeed);
        if (anim)
            anim.GetOnCompleted().Insert(Animate);
    }
    
    //------------------------------------------------------------------------------------------------
    void SCR_LoadingCircleComponent()
    {
            
    }
    
    //------------------------------------------------------------------------------------------------
    void ~SCR_LoadingCircleComponent()
    {
            
    }
    
    // API
    //------------------------------------------------------------------------------------------------
    void SetSpeed(float speed) { m_fSpeed = speed; }
    
    //------------------------------------------------------------------------------------------------
    float GetSpeed() { return m_fSpeed; }
    
    //------------------------------------------------------------------------------------------------
    void GetIsPlayingAnimation(bool playing) { m_bIsPlayingAnimation = playing; }
    
    //------------------------------------------------------------------------------------------------
    bool GetIsPlayingAnimation() { return m_bIsPlayingAnimation; }
};