NDBG_LCS/Kingo.Plugins/Kingo.Plugin.MapView/Commands/AllLayerSelectableCommand.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.Platform;
using KGIS.Framework.Maps;

namespace Kingo.Plugin.MapView.Commands
{
    public class AllLayerSelectableCommand : BaseCommand, ICommandSubType
    {
        private IHookHelper m_hookHelper = null;// Env.Instance.KMap.HookHelper;
        public long m_subType = 2;
        private bool Selectable = true;

        public AllLayerSelectableCommand()
        {
        }
        public override void OnCreate(object hook)
        {
            if (m_hookHelper == null)
            {
                m_hookHelper = new HookHelper();
                m_hookHelper.Hook = hook;
            }
        }
        public override void OnClick()
        {
            List<IFeatureLayer> allLayers = MapsManager.Instance.MapService.GetAllLayerInMap<IFeatureLayer>();// LayerHelper.GetAllLayerInMap<IFeatureLayer>(m_hookHelper.FocusMap);
            Selectable = !Selectable;
            foreach (var layer in allLayers)
            {
                if (layer == null)
                    continue;
                if (!Selectable)
                {
                    layer.Selectable = false;
                }
                else
                {
                    layer.Selectable = true;
                }
            }
        }
        public override bool Enabled
        {
            get
            {
                //int canSelectCount = 0;
                //int notCanSelectCount = 0;
                //List<IFeatureLayer> allLayers = Platform.Instance.MapsService.GetAllLayerInMap<IFeatureLayer>();//LayerHelper.GetAllLayerInMap<IFeatureLayer>(m_hookHelper.FocusMap);
                //foreach (var layer in allLayers)
                //{
                //    if (layer != null)
                //    {
                //        if (layer.Selectable == false)
                //        {
                //            notCanSelectCount++;
                //        }
                //        else
                //        {
                //            canSelectCount++;
                //        }
                //    }
                //}
                //if (m_subType == 1)
                //{
                //    //所有图层可选菜单 只有一种情况下不可点击（所有都已经选择上）
                //    return !(notCanSelectCount == 0 && canSelectCount > 0);
                //}
                //else
                //{
                //    //所有图层不可选菜单只有一种情况下不可点击（所有都没选择上）
                //    return !(canSelectCount == 0 && notCanSelectCount > 0);
                //}
                return true;
            }
        }
        public int GetCount()
        {
            return 2;
        }
        public void SetSubType(int SubType)
        {
            m_subType = SubType;
        }
        public override string Caption
        {
            get
            {
                if (!Selectable)
                    return "设置所有图层可选";
                else
                    return "设置所有图层不可选";
            }
        }
    }
}