using System;
using System.Diagnostics;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geometry;
using KGIS.Framework.Utils.Enum;

namespace Kingo.Plugin.ResultsOfProof
{
    public class CustomDrawTool : BaseToolCommand
    {
        public override enumProductType AttachProductType
        {
            get { return enumProductType.KDB | enumProductType.KAP; }
        }
        private IHookHelper m_hookHelper;
        private DrawParams m_pDrawParams;
        private ISimpleFillSymbol m_pFillSymbol;
        private IGeometry m_pGeom;

        public event DoContinueEventHandler DoContinue;

        public CustomDrawTool(DrawParams pDrawParams)
        {
            this.m_pGeom = null;
            base.m_category = "";
            base.m_caption = "";
            base.m_message = "";
            base.m_toolTip = "";
            base.m_name = "画多边形";
            try
            {
                string resource = base.GetType().Name + ".bmp";
                //base.m_cursor = new Cursor(base.GetType(), base.GetType().Name + ".cur");
                //base.m_bitmap = new Bitmap(base.GetType(), resource);
            }
            catch (Exception exception)
            {
                Trace.WriteLine(exception.Message, "Invalid Bitmap");
            }
            this.m_pDrawParams = pDrawParams;
        }

        private void AddElement(IActiveView pActiveView, ISimpleFillSymbol pSimpleFillSymbol)
        {
            m_pGeom = null;
            IRubberBand band = new RubberRectangularPolygonClass();
            if (m_pDrawParams.enumDrawMode == EnumDrawMode.DrawPolygon)
            {
                band = new RubberPolygonClass();  // 多边型
            }

            IPolygon polygon = (IPolygon)band.TrackNew(pActiveView.ScreenDisplay, null);
            if (this.m_pDrawParams.bCreateTrail)
            {
                IFillShapeElement element = new PolygonElementClass();
                IElement pElement = (IElement)element;
                if (pSimpleFillSymbol == null)
                {
                    pSimpleFillSymbol = (ISimpleFillSymbol)Symbol.CreateDefaultSymbol(EnumSymbolType.SimpleFillSymbol);
                }
                element.Symbol = pSimpleFillSymbol;
                pElement.Geometry = polygon;
                Element.DrawElement(pElement, pActiveView);
            }
            this.m_pGeom = polygon;
        }

        private static void ArcGISCategoryRegistration(System.Type registerType)
        {
            ControlsCommands.Register(string.Format(@"HKEY_CLASSES_ROOT\CLSID\{{{0}}}", registerType.GUID));
        }

        private static void ArcGISCategoryUnregistration(System.Type registerType)
        {
            ControlsCommands.Unregister(string.Format(@"HKEY_CLASSES_ROOT\CLSID\{{{0}}}", registerType.GUID));
        }

        public override void OnClick()
        {
        }

        public override void OnCreate(object hook)
        {
            if (this.m_hookHelper == null)
            {
                this.m_hookHelper = new HookHelperClass();
            }
            this.m_hookHelper.Hook = hook;
        }

        public override void OnMouseDown(int Button, int Shift, int X, int Y)
        {
            IMapControl2 hook = (IMapControl2)this.m_hookHelper.Hook;
            if (this.m_pDrawParams.bClearOtherElement)
            {
                hook.ActiveView.GraphicsContainer.DeleteAllElements();
            }
            if (Button <= 2)
            {
                this.AddElement(hook.ActiveView, this.m_pDrawParams.pSymbol as ISimpleFillSymbol);
                this.DoContinue(this.m_pGeom);
            }
            else
            {
                //Bug-15932 霍岩 2019-05-27 但点击鼠标滚轮时启动漫游工具
                this.CurrentTool = new ControlsMapPanToolClass();
            }
        }

        public override void OnMouseMove(int Button, int Shift, int X, int Y)
        {
        }

        public override void OnMouseUp(int Button, int Shift, int X, int Y)
        {
        }


        [ComRegisterFunction, ComVisible(false)]
        private static void RegisterFunction(System.Type registerType)
        {
            ArcGISCategoryRegistration(registerType);
        }

        [ComUnregisterFunction, ComVisible(false)]
        private static void UnregisterFunction(System.Type registerType)
        {
            ArcGISCategoryUnregistration(registerType);
        }

        public IGeometry ReturnGeom
        {
            get
            {
                return this.m_pGeom;
            }
        }

        public delegate void DoContinueEventHandler(IGeometry pGeo);
    }

    public struct DrawParams
    {
        public EnumDrawMode enumDrawMode;
        public bool bCreateTrail;
        public bool bClearOtherElement;
        public ISymbol pSymbol;
    }
    public enum EnumDrawMode
    {
        DrawPoint,
        DrawLine,
        DrawRect,
        DrawPolygon,
        DrawCircle,
        DrawEllipse
    }

    public class Symbol
    {
        public static ISymbol CreateDefaultSymbol(EnumSymbolType pSymbolType)
        {
            ISymbol symbol = null;
            IRgbColor color = new RgbColorClass();
            color = GetRGBColor(0xff, 0, 0);
            switch (pSymbolType)
            {
                case EnumSymbolType.SimpleMarkerSymbol:
                    return symbol;

                case EnumSymbolType.SimpleLineSymbol:
                    {
                        ISimpleLineSymbol symbol2 = new SimpleLineSymbolClass();
                        symbol2.Color = color;
                        symbol2.Width = 1.5;
                        return (ISymbol)symbol2;
                    }
                case EnumSymbolType.SimpleFillSymbol:
                    {
                        ISimpleFillSymbol symbol3 = new SimpleFillSymbolClass();
                        symbol3.Outline.Color = color;
                        symbol3.Color = color;
                        symbol3.Style = esriSimpleFillStyle.esriSFSDiagonalCross;
                        return (ISymbol)symbol3;
                    }
            }
            return symbol;
        }


        public static IRgbColor GetRGBColor(int pRed, int pGreen, int pBlue)
        {
            try
            {
                IRgbColor color = new RgbColorClass();
                color.Red = pRed;
                color.Green = pGreen;
                color.Blue = pBlue;
                return color;
            }
            catch
            {
                return null;
            }
        }
    }
    public enum EnumSymbolType
    {
        SimpleMarkerSymbol,
        SimpleLineSymbol,
        SimpleFillSymbol,
        FormattedTextSymbol
    }
    public class Element
    {
        public static void DrawElement(IElement pElement, IActiveView pActiveView)
        {
            try
            {
                ((IGraphicsContainer)pActiveView).AddElement(pElement, 0);
                pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
            }
            catch
            {
            }
        }
    }
}