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

using System;
using System.Collections.Generic;
using System.Linq;
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;
using UIShell.OSGi;
using Kingo.PluginServiceInterface;

namespace Kingo.Plugin.MapView.Commands
{
    [Guid("d6cf0401-78d0-4f87-b6e4-7b306f7d2014")]
    [ClassInterface(ClassInterfaceType.None)]
    [ProgId("KGIS.Commands.LayerSelectableCommand")]
    public class LayerSelectableCommand : BaseCommand, ICommandSubType
    {
        public long m_subType = 2;
        private IHookHelper m_hookHelper = null;
        private IDataCatalogService _DataCatalog = null;
        private IFeatureLayer FeatureLayer = null;
        private LayerCfg layerCfg = null;
        public override void OnCreate(object hook)
        {
            if (m_hookHelper == null)
            {
                m_hookHelper = new HookHelper
                {
                    Hook = hook
                };
            }
        }
        public override void OnClick()
        {
            if (layerCfg != null && FeatureLayer != null)
            {
                if (layerCfg.Selectable)
                {
                    FeatureLayer.Selectable = false;
                }
                else
                {
                    FeatureLayer.Selectable = true;
                }
                Platform.Instance.SendMsg(new KGIS.Framework.Utils.Interface.NotifyMsgPackage() { MsgType = "SaveProject" });
                if (_DataCatalog != null)
                    _DataCatalog.UpdateTree();
            }
        }
        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 (_DataCatalog == null)
                    _DataCatalog = BundleRuntime.Instance.GetFirstOrDefaultService<IDataCatalogService>();
                if (_DataCatalog.CurrentLayers == null) return "图层不可选";
                LayerCfg layerInfo = _DataCatalog.CurrentLayers as LayerCfg;
                List<LayerCfg> lists = layerInfo.GetAllItem();
                FeatureLayer = m_hookHelper.GetCustomProperty() as IFeatureLayer;
                if (!(m_hookHelper.GetCustomProperty() is FeatureLayer))
                {
                    m_hookHelper.Hook = MapsManager.Instance.MapService.Hook;
                    FeatureLayer = m_hookHelper.GetCustomProperty() as IFeatureLayer;
                }
                if (FeatureLayer == null) return "图层不可选";
                layerCfg = lists.FirstOrDefault(x => x.LayerName == FeatureLayer.Name);
                if (layerCfg != null && !layerCfg.Selectable)
                    return "图层可选";
                else
                    return "图层不可选";
            }
        }
    }
}