NDBGJK5.0/Kingo.Plugins/Kingo.Plugin.MapView/Commands/LayerSelectableOnlyOneCommand.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Carto;
using KGIS.Framework.AE.ExtensionMethod;
using KGIS.Framework.Platform;
using KGIS.Framework.Maps;

namespace Kingo.Plugin.MapView.Commands
{
    [Guid("d6cf0401-78d0-4f87-b6e4-7b306f7d2014")]
    [ClassInterface(ClassInterfaceType.None)]
    [ProgId("KGIS.Commands.LayerSelectableCommand")]
    public class LayerSelectableOnlyOneCommand : BaseCommand, ICommandSubType
    {
        //private IMapControl3 m_mapControl;
        public long m_subType = 1;
        private bool Selectable = true;
        private IHookHelper m_hookHelper = null;
        public void LayerSelectable()
        {
        }
        public override void OnCreate(object hook)
        {
            if (m_hookHelper == null)
            {
                m_hookHelper = new HookHelper();
                m_hookHelper.Hook = hook;
            }
        }
        public override void OnClick()
        {
            IFeatureLayer layer = m_hookHelper.GetCustomProperty() as IFeatureLayer;
            if (layer == null)
            {
                m_hookHelper.Hook = MapsManager.Instance.MapService.Hook;
                layer = m_hookHelper.GetCustomProperty() as IFeatureLayer;
            }
            if (layer != null)
            {
                //if (m_subType == 1)
                //{
                //    layer.Selectable = true;
                //}
                //else if (m_subType == 2)
                //{
                List<IFeatureLayer> allLayers = MapsManager.Instance.MapService.GetAllLayerInMap<IFeatureLayer>();//LayerHelper.GetAllLayerInMap<IFeatureLayer>(this.m_hookHelper.FocusMap);
                foreach (var item in allLayers)
                {
                    if (item != null)
                    {
                        item.Selectable = !Selectable;
                    }
                }
                layer.Selectable = Selectable;
                Selectable = !Selectable;
                //}
                //else if (m_subType == 3)
                //{
                //    layer.Selectable = false;
                //}
            }
        }
        public override bool Enabled
        {
            get
            {
                return true;
            }
        }

        public int GetCount()
        {
            return 3;
        }
        public void SetSubType(int SubType)
        {
            m_subType = SubType;
        }
        public override string Caption
        {
            get
            {
                if (Selectable)
                    return "将此图层设置成唯一可选图层";
                else
                    return "将此图层设置成唯一不可选图层";

            }
        }
    }
}