NDBGJK5.0/Kingo.Plugins/Kingo.Plugin.EngineEditor/Commands/Tools/CmdDeleteFeature.cs

using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Geodatabase;
using KGIS.Framework.Commands;
using KGIS.Framework.EngineEditor;
using KGIS.Framework.Maps;
using KGIS.Framework.Platform;
using KGIS.Framework.Utils.Helper;
using System.Windows.Forms;

namespace Kingo.Plugin.EngineEditor.Commands.Tools
{
    public class CmdDeleteFeature : BaseMapMenuCommand
    {
        //private IHookHelper m_hookHelper;
        private ESRI.ArcGIS.Controls.ControlsEditingClearCommandClass controlsEditingClearCommandClass = null;
        private IEngineEditor m_pEditor;
        public override void OnCreate(object hook)
        {
            if (m_hookHelper == null)
            {
                m_hookHelper = new HookHelper();
                m_hookHelper.Hook = hook;
            }
            m_pEditor = new EngineEditorClass();
            //base.OnCreate(hook);
            controlsEditingClearCommandClass = new ControlsEditingClearCommandClass();
            controlsEditingClearCommandClass.OnCreate(hook);
        }
        public override void OnClick()
        {
            if (MessageHelper.ShowYesNoAndTips("是否删除选中图斑？") != System.Windows.Forms.DialogResult.Yes) return;
            //base.OnClick();
            controlsEditingClearCommandClass.OnClick();
            Platform.Instance.SendMsg(new KGIS.Framework.Utils.Interface.NotifyMsgPackage() { MsgType = "SignDelete" });
            //通知刷新图斑查看界面
            KGIS.Framework.Platform.Platform.Instance.SendMsg(new KGIS.Framework.Utils.Interface.NotifyMsgPackage() { Content = "RefreshTBBGDetail", MsgType = "RefreshTBBGDetail" });
        }
        public override bool Enabled
        {
            get
            {
                if (m_pEditor == null)
                {
                    return false;
                }
                if (m_pEditor.EditState != esriEngineEditState.esriEngineStateEditing)
                { return false; }
                if ((m_pEditor as EngineEditorClass).TargetLayer == null)
                { return false; }
                else
                {
                    IFeatureSelection s = (m_pEditor as EngineEditorClass).TargetLayer as IFeatureSelection;
                    if (s == null) return false;
                    ISelectionSet seleSet = s.SelectionSet;
                    if (seleSet != null)
                    {
                        return seleSet.Count != 0;
                    }
                    return false;
                }
                return true;
            }
        }

    }
}