kev/Drawer/UCDraw/SigmaDrawerWellElement/PropertyEditorFillCurveGradient.cs

using GeoSigma.SigmaDrawerElement;
using SigmaDrawerElement;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing.Design;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms.Design;

namespace GeoSigma.SigmaDrawerStyle
{
    //设置曲线填充的渐进色
   public class PropertyEditorFillCurveGradient : UITypeEditor
   {

        public override UITypeEditorEditStyle GetEditStyle(ITypeDescriptorContext context)
        {
            return UITypeEditorEditStyle.Modal;
        }

        public override bool GetPaintValueSupported(ITypeDescriptorContext context)
        {
            return true;
        }

        public override void PaintValue(PaintValueEventArgs e)
        {
            if (e.Value is WellTrackGradientStyle style)
            {
                var g = e.Graphics;
                var rect = e.Bounds;
              //  rect.Width += 100;
                using (LinearGradientBrush brush = new LinearGradientBrush(
                    rect,               // 渐变作用区域
                    style.LeftColor,          // 起始颜色
                    style.RightColor,         // 结束颜色
                    LinearGradientMode.Horizontal)) // 渐变方向
                {
                    // 用渐变色填充矩形
                    g.FillRectangle(brush, rect);
                }
            }
        }

        public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
        {
            if (!(value is WellTrackGradientStyle style))
            {
                return value;
            }

            IWindowsFormsEditorService edSvc = provider?.GetService(typeof(IWindowsFormsEditorService)) as IWindowsFormsEditorService;
            if (edSvc == null)
            {
                return value;
            }
            List<string> curvesNames = new List<string>();
            if (context.Instance is WellCurveTrack curveTrack)
            {
                if (curveTrack.wellPoleContext.geoWellPole.GetWellAllCurveNames(curveTrack.wellPoleContext.wellObjHandle, out string[] NamesArr) == true)
                {
                    curvesNames = new List<string>(NamesArr);
                    curvesNames.Insert(0, "");
                }
            }
            else
                return value;

            using (var editorForm = new FillCurveGradientFrm(style, curvesNames) { StartPosition = FormStartPosition.CenterScreen })
            {
                if (edSvc.ShowDialog(editorForm) == DialogResult.OK)
                {
                    return new WellTrackGradientStyle()
                    {
                        AutoMiddleColor = style.AutoMiddleColor,
                        Left = style.Left,
                        Right = style.Right,
                        CurveName = style.CurveName,
                        LeftColor = style.LeftColor,
                        RightColor = style.RightColor,
                        MiddleColor = style.MiddleColor
                    };

                }
            }

            return value;
        }


    }
}