SCR_WLibProgressBar.c

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//------------------------------------------------------------------------------------------------
class SCR_WLibProgressBarComponent : ScriptedWidgetComponent
{
    protected const string WIDGET_CHANGE = "Change";
    
    [Attribute("0")]
    protected float m_fMin;
 
    [Attribute("1")]
    protected float m_fMax;
 
    [Attribute("0.5")]
    protected float m_fValue;
    
    [Attribute("false")]
    protected bool m_bReverseDirection;
 
    [Attribute("true", desc: "Use constant speed of the animation. If false, every change will take the same time.")]
    protected bool m_bConstantAnimationSpeed;
    
    [Attribute("0.0")]
    protected float m_fAnimationTime;
    
    [Attribute("0.760 0.392 0.078 1")]
    ref Color m_SliderColor;
 
    [Attribute("0 0 0 0.3")]
    ref Color m_BackgroundColor;
 
    protected Widget m_wRoot;
    protected Widget m_wBar;
    protected Widget m_wChange;
    protected Widget m_wSpacer;
    
    protected float m_fChange;
 
    //------------------------------------------------------------------------------------------------
    override void HandlerAttached(Widget w)
    {
        m_wRoot = w;
        m_wSpacer = w.FindAnyWidget("Spacer");
        m_wChange = w.FindAnyWidget(WIDGET_CHANGE);
        m_wBar = w.FindAnyWidget("Bar");
        
        if (m_wBar)
        {
            m_wBar.SetColor(m_SliderColor);
            if (m_bReverseDirection)
                m_wBar.SetZOrder(1);
        }
        
        Widget background = w.FindAnyWidget("Background");
        if (background)
            background.SetColor(m_BackgroundColor);
        
        UpdateVisuals(false);
    }
 
    //------------------------------------------------------------------------------------------------
    void SetMin(float value)
    {
        m_fMin = value;
        UpdateVisuals();
    }
 
    //------------------------------------------------------------------------------------------------
    void SetMax(float value)
    {
        m_fMax = value;
        UpdateVisuals();
    }
 
    //------------------------------------------------------------------------------------------------
    void SetValue(float value, bool animate = true)
    {
        m_fValue = value;
        UpdateVisuals(animate);
    }
    
    //------------------------------------------------------------------------------------------------
    void SetChange(float value)
    {
        m_fChange = value;
        UpdateVisuals(false);
    }
    
    //------------------------------------------------------------------------------------------------
    void UpdateVisuals(bool animate = true)
    {
        if (!m_wSpacer || !m_wBar)
            return;
        
        float progress, currentProgress, change;
        float range = m_fMax - m_fMin;
        if (range <= 0)
            return;
        
        currentProgress = HorizontalLayoutSlot.GetFillWeight(m_wBar);
        progress = m_fValue / range;
        change = m_fChange / range;
        progress = Math.Clamp(progress, 0, 1);
 
        if (animate && m_fAnimationTime > 0 && currentProgress != progress)
        {
            float speed = 1 / m_fAnimationTime;
            if (m_bConstantAnimationSpeed)
                speed = speed * (1 / Math.AbsFloat(currentProgress - progress));
            
            AnimateWidget.LayoutFill(m_wBar, progress, speed);
            AnimateWidget.LayoutFill(m_wChange, change, speed);
            AnimateWidget.LayoutFill(m_wSpacer, 1 - progress - change, speed);
        }
        else
        {
            HorizontalLayoutSlot.SetFillWeight(m_wBar, progress);
            HorizontalLayoutSlot.SetFillWeight(m_wChange, change);
            HorizontalLayoutSlot.SetFillWeight(m_wSpacer, 1 - progress - change);
        }
    }
    
    //------------------------------------------------------------------------------------------------
    void StopProgressAnimation()
    {
        AnimateWidget.StopAnimation(m_wBar, WidgetAnimationLayoutFill);
        AnimateWidget.StopAnimation(m_wSpacer, WidgetAnimationLayoutFill);
        float progress = HorizontalLayoutSlot.GetFillWeight(m_wBar);
        float value = progress * m_fMax - m_fMin;
        SetValue(value, false);
    }
    
    //------------------------------------------------------------------------------------------------
    void SetSliderColor(Color newColor)
    {
        m_SliderColor = newColor;
        m_wBar.SetColor(m_SliderColor);
    }
    
    //------------------------------------------------------------------------------------------------
    void SetSliderChangeColor(Color newColor)
    {
        if (m_wChange)
            m_wChange.SetColor(newColor);
    }
 
    //------------------------------------------------------------------------------------------------
    float GetMin()
    {
        return m_fMin;
    }
 
    //------------------------------------------------------------------------------------------------
    float GetMax()
    {
        return m_fMax;
    }
 
    //------------------------------------------------------------------------------------------------
    float GetValue()
    {
        return m_fValue;
    }
 
    //------------------------------------------------------------------------------------------------
    Widget GetRootWidget()
    {
        return m_wRoot;
    }
    
    //------------------------------------------------------------------------------------------------
    float GetAnimationSpeed()
    {
        return m_fAnimationTime;
    }
    
    //------------------------------------------------------------------------------------------------
    bool IsUsingAnimationTime() 
    {
        return m_bConstantAnimationSpeed;
    }
    
    //------------------------------------------------------------------------------------------------
    void SetUsingAnimationTime(bool enable)
    {
        m_bConstantAnimationSpeed = enable;
    }
    
    //------------------------------------------------------------------------------------------------
    void SetAnimationTime(float value)
    {
        m_fAnimationTime = value;
    }
    
    //------------------------------------------------------------------------------------------------
    static SCR_WLibProgressBarComponent GetProgressBar(string name, Widget parent, bool searchAllChildren = true)
    {
        if (!parent || name == string.Empty)
            return null;
 
        Widget w;
        if (searchAllChildren)
            w = parent.FindAnyWidget(name);
        else
            w = parent.FindWidget(name);
 
        if (!w)
        {
            Print(string.Format("SCR_WLibProgressBarComponent.GetProgressBar: widget not found: %1", name), LogLevel.WARNING);
            Debug.DumpStack();
            return null;
        }
 
        return SCR_WLibProgressBarComponent.Cast(w.FindHandler(SCR_WLibProgressBarComponent));
    }
};