OptionSelectorSlider.c

См. документацию.

class OptionSelectorSlider extends OptionSelectorSliderSetup
{
    protected bool m_Changed;
    protected EditBoxWidget m_ValueText;
    protected bool m_ShowEditbox;
    protected float m_LastValue;
 
    void OptionSelectorSlider(Widget parent, float value, ScriptedWidgetEventHandler parent_menu, bool disabled, float min, float max, bool showEditbox = false)
    {
        if (!showEditbox)
        {
            m_Root = GetGame().GetWorkspace().CreateWidgets("gui/layouts/new_ui/option_slider.layout", parent);
        }
        else
        {
            m_Root = GetGame().GetWorkspace().CreateWidgets("gui/layouts/new_ui/option_slider_editbox.layout", parent);
            m_ValueText  = EditBoxWidget.Cast(m_Root.FindAnyWidget("option_value_text"));
            m_ValueText.Enable(false);
            #ifdef PLATFORM_CONSOLE
            m_ValueText.SetFlags(WidgetFlags.IGNOREPOINTER);
            #endif
        }
 
        #ifdef PLATFORM_CONSOLE
        m_Parent = parent.GetParent().GetParent();
        #else
        #ifdef PLATFORM_WINDOWS
        m_Parent = parent.GetParent();
        #endif
        #endif
        
        m_SelectorType = 1;
        m_ParentClass = parent_menu;
        m_Slider = SliderWidget.Cast(m_Root.FindAnyWidget("option_value"));
        m_Slider.SetCurrent(value);
        
        m_MinValue = min;
        m_MaxValue = max;
        m_LastValue = value;
        m_ShowEditbox = showEditbox;
        
        SetValue(value);
        Enable();
        
        if (showEditbox)
        {
            SetValueText();
        }
 
        m_Parent.SetHandler(this);
    }
    
    void SetValueText()
    {
        float percentage = GetRangePercantageByValue();
        m_ValueText.SetText(percentage.ToString());
    }
    
    void Refresh(float defaultValue = -1)
    {
        if (m_ShowEditbox)
        {
            if (m_ValueText.GetText() == "" && defaultValue > -1)
            {
                SetValue(defaultValue);
                SetValueText();
            }
        }
        
        m_Changed = false;
    }
    
    float GetRangePercantageByValue()
    {
        float percentage = ((GetValue() - m_MinValue) * 100) / (m_MaxValue - m_MinValue);
        return percentage;
    }
    
    override bool OnChange(Widget w, int x, int y, bool finished)
    {
        float value;
        if (w == m_Slider)
        {
            if (m_ShowEditbox)
            {
                SetValueText();
            }
            
            value = GetValue();
            m_OptionChanged.Invoke(value);
            m_LastValue = value;
            return true;
        }
        else if (m_ShowEditbox && w == m_ValueText)
        {
            if (IsValidEditboxValue(m_ValueText.GetText()))
            {
                value = (m_ValueText.GetText().ToFloat() * (m_MaxValue - m_MinValue) / 100) + m_MinValue;
                m_Slider.SetCurrent(NormalizeInput(value));
                m_OptionChanged.Invoke(GetValue());
                return true;
            }
            else
            {
                m_ValueText.SetText("");
                Refresh();
                return true;
            }
        }
        return false;
    }
    
    bool Changed()
    {
        return m_Changed;
    }
    
    bool IsValidEditboxValue(string text)
    {
        TStringArray allowedCharacters = {"0","1","2","3","4","5","6","7","8","9"};
        for (int i = 0; i < text.Length(); i++)
        {
            int foundIndex = allowedCharacters.Find(text.Get(i));
            if (foundIndex == -1)
                return false;
            
            // make sure user input value can not contain zeros only
            if (i > 0 && text.ToInt() == 0)
            {
                return false;
            }
        }
        
        // make sure user input value is in valid percantage range (0 - 100)
        if (text.ToInt() > 100 || text.ToInt() < 0)
        {
            return false;
        }
 
        return true;
    }
    
    override bool OnDoubleClick(Widget w, int x, int y, int button)
    {
        #ifndef PLATFORM_CONSOLE    
        if (m_ShowEditbox && w == m_ValueText)
        {
            m_ValueText.Enable(true);
            SetFocus(m_ValueText);
            m_LastValue = GetValue();
            m_ValueText.SetText("");
            m_ValueText.SetTextColor(ARGB(255, 255, 0, 0));
            SetActiveOption();
            return true;
        }
        #endif
        
        return false;
    }
    
    override bool OnFocus(Widget w, int x, int y)
    {
        if (m_ShowEditbox)
        {
            m_LastValue = GetValue();
            UpdateActiveOption();
            SetActiveOption();
        }
        #ifdef PLATFORM_CONSOLE
        return super.OnFocus(m_Parent, x, y);
        #else
        return false;
        #endif
    }
    
    override bool OnFocusLost(Widget w, int x, int y)
    {
        if (m_ShowEditbox && w == m_ValueText)
        {
            m_ValueText.Enable(false);
            UpdateActiveOption();
        }
        
        return super.OnFocusLost(w, x, y);
    }
    
    override bool IsFocusable(Widget w)
    {
        if (m_ShowEditbox && w)
        {
            return (w == m_Parent || w == m_Slider || w == m_ValueText);
        }
        return super.IsFocusable(w);
    }
 
    override bool OnMouseLeave(Widget w, Widget enterW, int x, int y)
    {
        #ifdef PLATFORM_CONSOLE
        if (ButtonWidget.Cast(w))
        {
            ColorNormalConsole(w);
        }
        #else
        if (m_ShowEditbox && m_ValueText.GetText() == "")
        {
            Refresh(m_LastValue);
        }
        #endif
            
        return super.OnMouseLeave(w, enterW, x, y);
    }
    
    void SetActiveOption()
    {
        OptionsMenuControls menuControls = OptionsMenuControls.Cast(m_ParentClass);
        if (menuControls)
        {
            menuControls.SetActiveOption(this);
        }
    }
    
    void UpdateActiveOption()
    {
        OptionsMenuControls menuControls = OptionsMenuControls.Cast(m_ParentClass);
        if (menuControls && menuControls.GetActiveOption())
        {
            OptionSelectorSlider optionSlider = OptionSelectorSlider.Cast(menuControls.GetActiveOption());
            if (!optionSlider || !optionSlider.IsValueTextVisible())
                return;
 
            optionSlider.Update();
        }
    }
    
    void Update()
    {
        m_ValueText.SetTextColor(ARGB(255, 255, 255, 255));
        if (m_ValueText.GetText() == "")
            Refresh(m_LastValue);
    }
    
    bool IsValueTextVisible()
    {
        return m_ShowEditbox;
    }
}