TMTT/PlcUiControl/MyUiControl/MyUiLight.cs

using Model;
using Permission;
using Sunny.UI;
using System;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

[ToolboxItem(true)]
[Description("提示灯控件")]
public class MyUiLight : UIControl, IPermissionControl
{
    private Timer timer;

    private UIShape sharpType;

    private int interval = 500;

    private UILightState state;

    private bool blinkState;

    private bool showCenterColor = true;

    private bool showLightLine;

    private Color onColor = UIColor.Green;

    private Color centerColor = UIColor.White;

    private Color offCenterColor = UIColor.White;

    private Color offColor = UIColor.Gray;

    [Category("MyControl")]
    [Description("控件要求的权限等级")]
    [Browsable(true)]
    [DefaultValue(PermissionLevel.操作工)]
    public PermissionLevel RequiredPermissionLevel { get => requiredPermissionLevel; set { requiredPermissionLevel = value; IsPermissionGot = currentPermissionLevel >= RequiredPermissionLevel; HandlePermissionChange(); } }
    private PermissionLevel requiredPermissionLevel = PermissionLevel.操作工;

    [Category("MyControl")]
    [Description("当前登录的权限")]
    [Browsable(false)]
    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
    public PermissionLevel CurrentPermissionLevel { get => currentPermissionLevel; set { currentPermissionLevel = value; IsPermissionGot = currentPermissionLevel >= RequiredPermissionLevel; HandlePermissionChange(); } }
    private PermissionLevel currentPermissionLevel = PermissionLevel.无权限;

    [Category("MyControl")]
    [Description("控件是否获得了权限")]
    [Browsable(false)]
    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
    public bool IsPermissionGot { get; private set; }

    protected virtual void HandlePermissionChange()
    {
        this.Enabled = IsPermissionGot;
    }

    [DefaultValue(UIShape.Circle)]
    [Description("显示形状：圆形，正方形")]
    [Category("SunnyUI")]
    public UIShape Shape
    {
        get
        {
            return sharpType;
        }
        set
        {
            if (sharpType != value)
            {
                sharpType = value;
                Invalidate();
            }
        }
    }

    [Description("是否显示文字")]
    [Category("SunnyUI")]
    [DefaultValue(false)]
    public new bool ShowText
    {
        get
        {
            return base.ShowText;
        }
        set
        {
            base.ShowText = value;
        }
    }

    [DefaultValue(500)]
    [Description("显示间隔")]
    [Category("SunnyUI")]
    public int Interval
    {
        get
        {
            return interval;
        }
        set
        {
            interval = Math.Max(100, value);
            interval = Math.Min(interval, 10000);
            if (timer != null)
            {
                bool enabled = timer.Enabled;
                timer.Stop();
                timer.Interval = interval;
                if (enabled)
                {
                    timer.Start();
                }
            }
        }
    }

    [DefaultValue(UILightState.On)]
    [Description("显示状态")]
    [Category("SunnyUI")]
    public UILightState State
    {
        get
        {
            return state;
        }
        set
        {
            state = value;
            timer?.Stop();
            if (state == UILightState.Blink)
            {
                if (timer == null)
                {
                    timer = new Timer
                    {
                        Interval = interval
                    };
                    timer.Tick += Timer_Tick;
                }

                blinkState = true;
                timer.Start();
            }

            Invalidate();
        }
    }

    [DefaultValue(true)]
    [Description("是否显示中心颜色")]
    [Category("SunnyUI")]
    public bool ShowCenterColor
    {
        get
        {
            return showCenterColor;
        }
        set
        {
            showCenterColor = value;
            Invalidate();
        }
    }

    [DefaultValue(false)]
    [Description("显示灯光亮线")]
    [Category("SunnyUI")]
    public bool ShowLightLine
    {
        get
        {
            return showLightLine;
        }
        set
        {
            showLightLine = value;
            Invalidate();
        }
    }

    [DefaultValue(typeof(Color), "110, 190, 40")]
    [Description("打开状态颜色")]
    [Category("SunnyUI")]
    public Color OnColor
    {
        get
        {
            return onColor;
        }
        set
        {
            onColor = value;
            Invalidate();
        }
    }

    [DefaultValue(typeof(Color), "White")]
    [Description("中心颜色")]
    [Category("SunnyUI")]
    [Browsable(false)]
    public Color CenterColor
    {
        get
        {
            return centerColor;
        }
        set
        {
            centerColor = value;
            Invalidate();
        }
    }

    [DefaultValue(typeof(Color), "White")]
    [Description("中心颜色")]
    [Category("SunnyUI")]
    public Color OnCenterColor
    {
        get
        {
            return CenterColor;
        }
        set
        {
            CenterColor = value;
        }
    }

    [DefaultValue(typeof(Color), "White")]
    [Description("中心颜色")]
    [Category("SunnyUI")]
    public Color OffCenterColor
    {
        get
        {
            return offCenterColor;
        }
        set
        {
            offCenterColor = value;
            Invalidate();
        }
    }

    [DefaultValue(typeof(Color), "140, 140, 140")]
    [Description("关闭状态颜色")]
    [Category("SunnyUI")]
    public Color OffColor
    {
        get
        {
            return offColor;
        }
        set
        {
            offColor = value;
            Invalidate();
        }
    }
    [DefaultValue(false)]
    [Description("Text属性是否从图案左侧开始输出")]
    [Category("SunnyUI")]
    public bool TextCoverSymbol
    {
        get
        {
            return textCoverSymbol;
        }
        set
        {
            textCoverSymbol = value;
            Invalidate();
        }
    }
    [Description("文字对齐方向")]
    [Category("SunnyUI")]
    public  ContentAlignment MyTextAlign
    {
        get
        {
            return base.TextAlign;
        }
        set
        {
            //if (textAlign != value)
            //{
            //    textAlign = value;
            //    Invalidate();
            //}
            base.TextAlign = value;
        }
    }
    //private ContentAlignment textAlign;

    private bool textCoverSymbol;

    public MyUiLight()
    {
        SetStyleFlags(supportTransparent: true, selectable: false);
        base.ShowRect = false;
        base.ShowText = false;
        base.Radius = (base.Width = (base.Height = 35));
    }

    protected override void OnPaintFore(Graphics g, GraphicsPath path)
    {
        if(!textCoverSymbol)
            g.DrawString(Text, Font, ForeColor, base.ClientRectangle, base.TextAlign,offsetX:base.Height);
        else
            g.DrawString(Text, Font, ForeColor, base.ClientRectangle, base.TextAlign);
    }

    private void Timer_Tick(object sender, EventArgs e)
    {
        blinkState = !blinkState;
        Invalidate();
    }

    protected override void OnPaintFill(Graphics g, GraphicsPath path)
    {
        int num = Math.Min(base.Width, base.Height);
        Color color = ((State == UILightState.On) ? OnColor : ((State != UILightState.Off) ? (blinkState ? onColor : offColor) : OffColor));
        Color color2 = ((State == UILightState.On) ? OnCenterColor : ((State != UILightState.Off) ? (blinkState ? OnCenterColor : offCenterColor) : offCenterColor));
        if (Shape == UIShape.Circle)
        {
            if (base.Radius != num)
            {
                base.Radius = num;
            }

            using (GraphicsPath graphicsPath = new GraphicsPath())
            {
                graphicsPath.AddEllipse(2, 2, num - 4, num - 4);
                g.Smooth();
                if (ShowCenterColor)
                {
                    Color[] surroundColors = new Color[1] { color };
                    using (GraphicsPath path2 = base.ClientRectangle.CreateTrueRoundedRectanglePath(base.Height))
                    {
                        using (PathGradientBrush pathGradientBrush = new PathGradientBrush(path2))
                        {
                            pathGradientBrush.CenterPoint = new PointF((float)num / 2f, (float)num / 2f);
                            pathGradientBrush.CenterColor = color2;
                            pathGradientBrush.SurroundColors = surroundColors;
                            g.FillPath(pathGradientBrush, graphicsPath);
                        }
                    }
                }
                else
                {
                    g.FillPath(color, graphicsPath);
                }
            }
            if (ShowLightLine)
            {
                int num2 = (num - 4) / 5;
                g.DrawArc(color2, num2, num2, num - num2 * 2, num - num2 * 2, 45, -155);
            }
        }

        if (Shape != UIShape.Square)
        {
            return;
        }

        if (base.Radius != 0)
        {
            base.Radius = 0;
        }

        g.FillRoundRectangle(color, 2, 2, num - 4, num - 4, 5);
        if (!ShowCenterColor)
        {
            return;
        }

        using (GraphicsPath graphicsPath2 = new GraphicsPath())
        {
            Point[] points = new Point[4]
            {
            new Point(3, 3),
            new Point(num - 3, 3),
            new Point(num - 3, num - 3),
            new Point(3, num - 3)
            };
            graphicsPath2.AddLines(points);
            g.Smooth();
            Color[] surroundColors2 = new Color[1] { color };
            using (PathGradientBrush pathGradientBrush2 = new PathGradientBrush(path))
            {
                pathGradientBrush2.CenterPoint = new PointF((float)num / 2f, (float)num / 2f);
                pathGradientBrush2.CenterColor = color2;
                pathGradientBrush2.SurroundColors = surroundColors2;
                g.FillPath(pathGradientBrush2, graphicsPath2);
            }
        }
    }
}