// Copyright 2012 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.Drawing;
using System.Runtime.InteropServices;
using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.SystemUI;

namespace DynamicBiking
{
  /// <summary>
  /// Summary description for BikingTrackModeCmd.
  /// </summary>
  [Guid("5a26e262-9e4c-498f-b77c-a6fdeee0dd4b")]
  [ClassInterface(ClassInterfaceType.None)]
  [ProgId("DynamicBiking.BikingTrackModeCmd")]
  public sealed class BikingTrackModeCmd : BaseCommand
  {
    #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);
      ControlsCommands.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);
      ControlsCommands.Unregister(regKey);

    }

    #endregion
    #endregion

    private IHookHelper m_hookHelper = null;

    private DynamicBikingCmd m_dynamicBikingCmd = null;

    public BikingTrackModeCmd()
    {
      base.m_category = ".NET Samples";
      base.m_caption = "Dynamic biking track";
      base.m_message = "Dynamic biking track mode";
      base.m_toolTip = "Dynamic biking track mode";
      base.m_name = "DynamicBiking_BikingTrackModeCmd";

      try
      {
        string bitmapResourceName = GetType().Name + ".bmp";
        base.m_bitmap = new Bitmap(GetType(), bitmapResourceName);
      }
      catch (Exception ex)
      {
        System.Diagnostics.Trace.WriteLine(ex.Message, "Invalid Bitmap");
      }
    }

    #region Overriden Class Methods

    /// <summary>
    /// Occurs when this command is created
    /// </summary>
    /// <param name="hook">Instance of the application</param>
    public override void OnCreate(object hook)
    {
      if (hook == null)
        return;

      if (m_hookHelper == null)
        m_hookHelper = new HookHelperClass();

      m_hookHelper.Hook = hook;
    }

    /// <summary>
    /// Occurs when this command is clicked
    /// </summary>
    public override void OnClick()
    {
      if (m_dynamicBikingCmd != null)
      {
        m_dynamicBikingCmd.TrackMode = !m_dynamicBikingCmd.TrackMode;
      }
    }

    public override bool Enabled
    {
      get
      {
        m_dynamicBikingCmd = GetBikingCmd();
        if (m_dynamicBikingCmd != null)
          return m_dynamicBikingCmd.IsPlaying;

        return false;
      }
    }

    public override bool Checked
    {
      get
      {
        if (m_dynamicBikingCmd != null)
        {
          return m_dynamicBikingCmd.TrackMode;
        }
        return false;
      }
    }

    #endregion

    private DynamicBikingCmd GetBikingCmd()
    {
      if (m_hookHelper.Hook == null)
        return null;

      DynamicBikingCmd dynamicBikingCmd = null;
      if (m_hookHelper.Hook is IToolbarControl2)
      {
        IToolbarControl2 toolbarCtrl = (IToolbarControl2)m_hookHelper.Hook;
        ICommandPool2 commandPool = toolbarCtrl.CommandPool as ICommandPool2;
        int commantCount = commandPool.Count;
        ICommand command = null;
        for (int i = 0; i < commantCount; i++)
        {
          command = commandPool.get_Command(i);
          if (command is DynamicBikingCmd)
          {
            dynamicBikingCmd = (DynamicBikingCmd)command;
          }
        }
      }

      return dynamicBikingCmd;
    }
  }
}