// Copyright 2010 ESRI
// 
// All rights reserved under the copyright laws of the United States
// and applicable international laws, treaties, and conventions.
// 
// You may freely redistribute and use this sample code, with or
// without modification, provided you include the original copyright
// notice and use restrictions.
// 
// See the use restrictions.
// 

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.Framework;
using ESRI.ArcGIS.ArcMapUI;
using ESRI.ArcGIS.esriSystem;

namespace SimpleLogWindowCS
{
    [Guid("21532172-bc21-43eb-a2ad-bb6c333eff5e")]
    [ClassInterface(ClassInterfaceType.None)]
    [ProgId("SimpleLogWindowCS.LogLineMultiItemCmd")]
    public class LogLineMultiItemCmd : IMultiItem
    {
        #region COM Registration Function(s)
        [ComRegisterFunction()]
        [ComVisible(false)]
        static void RegisterFunction(Type registerType)
        {
            // Required for ArcGIS Component Category Registrar support
            ArcGISCategoryRegistration(registerType);

            //
            // TODO: Add any COM registration code here
            //
        }

        [ComUnregisterFunction()]
        [ComVisible(false)]
        static void UnregisterFunction(Type registerType)
        {
            // Required for ArcGIS Component Category Registrar support
            ArcGISCategoryUnregistration(registerType);

            //
            // TODO: Add any COM unregistration code here
            //
        }

        #region ArcGIS Component Category Registrar generated code
        /// <summary>
        /// Required method for ArcGIS Component Category registration -
        /// Do not modify the contents of this method with the code editor.
        /// </summary>
        private static void ArcGISCategoryRegistration(Type registerType)
        {
            string regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{{{0}}}", registerType.GUID);
            GxCommands.Register(regKey);
            GMxCommands.Register(regKey);
            MxCommands.Register(regKey);
            SxCommands.Register(regKey);

        }
        /// <summary>
        /// Required method for ArcGIS Component Category unregistration -
        /// Do not modify the contents of this method with the code editor.
        /// </summary>
        private static void ArcGISCategoryUnregistration(Type registerType)
        {
            string regKey = string.Format("HKEY_CLASSES_ROOT\\CLSID\\{{{0}}}", registerType.GUID);
            GxCommands.Unregister(regKey);
            GMxCommands.Unregister(regKey);
            MxCommands.Unregister(regKey);
            SxCommands.Unregister(regKey);

        }

        #endregion
        #endregion

        private System.Windows.Forms.ListBox m_targetListBox;

        #region "IMultiItem Implementations"
        public string Caption
        {
            get
            {
                return "Delete log by line (C#)";
            }
        }

        public int HelpContextID
        {
            get
            {
                return default(int);
            }
        }

        public string HelpFile
        {
            get
            {
                return default(string);
            }
        }

        public string Message
        {
            get
            {
                return "Delete a specific line in the simple log dockable window";
            }
        }

        public string Name
        {
            get
            {
                return "CSNETSamples_DeleteLogLineCommand";
            }
        }

        public void OnItemClick(int index)
        {
            if (index > -1)
                m_targetListBox.Items.RemoveAt(index);  //Delete the line
        }

        public int OnPopup(object hook)
        {
            IApplication app = hook as IApplication;

            //This command is designed to be on a context menu displayed when the 
            //logging window is right-clicked. Get the context item of the application
            IDocument doc = app.Document;
            object contextItem = null;
            if (doc is IBasicDocument)
            {
                contextItem = ((IBasicDocument)doc).ContextItem;
            }

            IDockableWindow dockWin = null;
            UID logWindowID = new UIDClass();
            logWindowID.Value = "{600cb3c8-e9d8-4c20-b2c7-f97082b10f92}";

            if (contextItem != null && contextItem is IDockableWindow)
            {
                dockWin = (IDockableWindow)contextItem;
            }
            else //In the case of ArcCatalog or the command has been placed outside the designated context menu
            {
                //Get the dockable window directly
                IDockableWindowManager dockWindowManager = (IDockableWindowManager)app;
                dockWin = dockWindowManager.GetDockableWindow(logWindowID);
            }

             //Get list item count in the dockable window
            if (dockWin != null && dockWin.ID.Compare(logWindowID))
            {
                m_targetListBox = dockWin.UserData as System.Windows.Forms.ListBox;
                return m_targetListBox.Items.Count;
            }
            
            return 0; //failed or not applicable
        }

        public int get_ItemBitmap(int index)
        {
            return 0;
        }

        public string get_ItemCaption(int index)
        {
            if (index > -1)
            {
                string formatMessage = m_targetListBox.Items[index].ToString();
                if (formatMessage.Length > 25) //Trim display string
                {
                    formatMessage = formatMessage.Substring(0, 11) + "..." + formatMessage.Substring(formatMessage.Length - 11);
                }
                return string.Format("Delete line {0}: {1}", index + 1, formatMessage);
            }

            return "";
        }

        public bool get_ItemChecked(int index)
        {
            return false;
        }

        public bool get_ItemEnabled(int index)
        {
            return true;
        }
        #endregion

    }
}