using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geometry;
using KGIS.Framework.Maps;
using KGIS.Framework.Utils.Helper;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Kingo.Plugin.MapView
{
    public partial class UcAerialView : UserControl
    {
        AxMapControl axMapControl1 = null;
        private bool initialZT = false;
        public UcAerialView()
        {
            InitializeComponent();
            //MapsManager.Instance.MapService.getAxMapControl().OnMapReplaced += UcAerialView_OnMapReplaced;
            MapsManager.Instance.MapService.getAxMapControl().OnExtentUpdated += UcAerialView_OnExtentUpdated;
            MapsManager.Instance.MapService.ProjectOpened += MapService_ProjectOpened;
            MapsManager.Instance.MapService.ProjectClosed += MapService_ProjectClosed;
        }
        public void InitView(ILayer layer)
        {
            axMapControl1 = MapsManager.Instance.MapService.getAxMapControl() as AxMapControl;
            if (axMapControl1.LayerCount > 0)
            {
                axMapControl.Map = new MapClass();
                //for (int i = 0; i <= axMapControl1.Map.LayerCount - 1; i++)
                //{
                //    axMapControl.AddLayer(axMapControl1.get_Layer(i));
                //}
                if ((layer as IFeatureLayer).Visible == false)
                {
                    (layer as IFeatureLayer).Visible = true;
                    initialZT = true;
                }
                if (layer != null)
                    axMapControl.AddLayer(layer);
                axMapControl.SpatialReference = axMapControl1.SpatialReference;
                axMapControl.Extent = layer.AreaOfInterest;
                axMapControl.Refresh();
                
            }
        }

        private void MapService_ProjectClosed(object sender, EventArgs e)
        {
            if (axMapControl != null)
                axMapControl.ClearLayers();
        }

        private void MapService_ProjectOpened(object sender, KGIS.Framework.Maps.Handlers.ProjectArgs args)
        {
            if (axMapControl == null) return;
            AxMapControl axMapControl1 = MapsManager.Instance.MapService.getAxMapControl() as AxMapControl;
            if (axMapControl1.LayerCount > 0)
            {
                axMapControl.Map = new MapClass();
                //for (int i = 0; i <= axMapControl1.Map.LayerCount - 1; i++)
                //{
                ILayer layer = MapsManager.Instance.MapService.GetFeatureLayerByLayerName("行政区");
                if (layer != null)
                    axMapControl.AddLayer(layer);
                //}
                axMapControl.SpatialReference = axMapControl1.SpatialReference;

                axMapControl.Extent = layer.AreaOfInterest;
                axMapControl.Refresh();
            }
        }

        public void Close(ILayer layer)
        {
            MapsManager.Instance.MapService.ProjectOpened -= MapService_ProjectOpened;
            //MapsManager.Instance.MapService.getAxMapControl().OnMapReplaced -= UcAerialView_OnMapReplaced;
            MapsManager.Instance.MapService.getAxMapControl().OnExtentUpdated -= UcAerialView_OnExtentUpdated;
            if (initialZT == true) (layer as IFeatureLayer).Visible = false;
            axMapControl.ClearLayers();
            axMapControl.Dispose();
            axMapControl = null;
            this.Dispose();
        }

        private void UcAerialView_OnExtentUpdated(object sender, IMapControlEvents2_OnExtentUpdatedEvent e)
        {
            // 得到新范围
            IEnvelope pEnvelope = (IEnvelope)e.newEnvelope;

            IGraphicsContainer pGraphicsContainer = axMapControl.Map as IGraphicsContainer;

            IActiveView pActiveView = pGraphicsContainer as IActiveView;

            //在绘制前,清除axMapControl2中的任何图形元素 
            pGraphicsContainer.DeleteAllElements();

            IRectangleElement pRectangleEle = new RectangleElementClass();
            IElement pElement = pRectangleEle as IElement;
            pElement.Geometry = pEnvelope;

            //设置鹰眼图中的红线框

            IRgbColor pColor = new RgbColorClass();
            pColor.Red = 255;
            pColor.Green = 0;
            pColor.Blue = 0;
            pColor.Transparency = 255;

            //产生一个线符号对象

            ILineSymbol pOutline = new SimpleLineSymbolClass();
            pOutline.Width = 3;
            pOutline.Color = pColor;

            //设置颜色属性

            pColor = new RgbColorClass();
            pColor.Red = 255;
            pColor.Green = 0;
            pColor.Blue = 0;
            pColor.Transparency = 0;

            //设置填充符号的属性

            IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
            pFillSymbol.Color = pColor;
            pFillSymbol.Outline = pOutline;
            IFillShapeElement pFillShapeEle = pElement as IFillShapeElement;
            pFillShapeEle.Symbol = pFillSymbol;
            pGraphicsContainer.AddElement((IElement)pFillShapeEle, 0);

            pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
        }

        //private void UcAerialView_OnMapReplaced(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMapReplacedEvent e)
        //{
        //    AxMapControl axMapControl1 = sender as AxMapControl;
        //    if (axMapControl1.LayerCount > 0)
        //    {
        //        axMapControl.Map = new MapClass();
        //        for (int i = 0; i <= axMapControl1.Map.LayerCount - 1; i++)
        //        {
        //            axMapControl.AddLayer(axMapControl1.get_Layer(i));
        //        }
        //        axMapControl.Extent = axMapControl1.Extent;
        //        axMapControl.Refresh();
        //    }
        //}

        private void axMapControl_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e)
        {
            if (e.button == 1)
            {
                IPoint pPoint = new PointClass();
                pPoint.PutCoords(e.mapX, e.mapY);
                axMapControl1.CenterAt(pPoint);
                axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
            }
        }

        private void axMapControl_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
        {
            if (axMapControl.Map.LayerCount > 0)
            {
                if (e.button == 1)
                {
                    IPoint pPoint = new PointClass();
                    pPoint.PutCoords(e.mapX, e.mapY);
                    axMapControl1.CenterAt(pPoint);
                    axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
                }
                else if (e.button == 2)
                {
                    IEnvelope pEnv = axMapControl.TrackRectangle();
                    axMapControl1.Extent = pEnv;
                    axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
                }
            }
        }
    }
}