' 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.
' 

Imports Microsoft.VisualBasic
Imports System
Imports System.Drawing
Imports System.Runtime.InteropServices
Imports ESRI.ArcGIS.ADF.BaseClasses
Imports ESRI.ArcGIS.ADF.CATIDs
Imports ESRI.ArcGIS.Controls
Imports ESRI.ArcGIS.Carto
Imports ESRI.ArcGIS.Display
Imports ESRI.ArcGIS.esriSystem
Imports ESRI.ArcGIS.SystemUI

  ''' <summary>
  ''' Summary description for BikingTrackModeCmd.
  ''' </summary>
  <Guid("5a26e262-9e4c-498f-b77c-a6fdeee0dd4b"), ClassInterface(ClassInterfaceType.None), ProgId("BikingTrackModeCmd")> _
  Public NotInheritable Class BikingTrackModeCmd : Inherits BaseCommand
    #Region "COM Registration Function(s)"
    <ComRegisterFunction(), ComVisible(False)> _
    Private Shared Sub RegisterFunction(ByVal registerType As Type)
      ' Required for ArcGIS Component Category Registrar support
      ArcGISCategoryRegistration(registerType)

      '
      ' TODO: Add any COM registration code here
      '
    End Sub

    <ComUnregisterFunction(), ComVisible(False)> _
    Private Shared Sub UnregisterFunction(ByVal registerType As Type)
      ' Required for ArcGIS Component Category Registrar support
      ArcGISCategoryUnregistration(registerType)

      '
      ' TODO: Add any COM unregistration code here
      '
    End Sub

    #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 Shared Sub ArcGISCategoryRegistration(ByVal registerType As Type)
      Dim regKey As String = String.Format("HKEY_CLASSES_ROOT\CLSID\{{{0}}}", registerType.GUID)
      ControlsCommands.Register(regKey)

    End Sub
    ''' <summary>
    ''' Required method for ArcGIS Component Category unregistration -
    ''' Do not modify the contents of this method with the code editor.
    ''' </summary>
    Private Shared Sub ArcGISCategoryUnregistration(ByVal registerType As Type)
      Dim regKey As String = String.Format("HKEY_CLASSES_ROOT\CLSID\{{{0}}}", registerType.GUID)
      ControlsCommands.Unregister(regKey)

    End Sub

    #End Region
    #End Region

    Private m_hookHelper As IHookHelper = Nothing

    Private m_dynamicBikingCmd As DynamicBikingCmd = Nothing

    Public Sub New()
      MyBase.m_category = ".NET Samples"
      MyBase.m_caption = "Dynamic biking track"
      MyBase.m_message = "Dynamic biking track mode"
      MyBase.m_toolTip = "Dynamic biking track mode"
      MyBase.m_name = "BikingTrackModeCmd"

      Try
        Dim bitmapResourceName As String = Me.GetType().Name & ".bmp"
        MyBase.m_bitmap = New Bitmap(Me.GetType(), bitmapResourceName)
      Catch ex As Exception
        System.Diagnostics.Trace.WriteLine(ex.Message, "Invalid Bitmap")
      End Try
    End Sub

#Region "Overridden Class Methods"

    ''' <summary>
    ''' Occurs when this command is created
    ''' </summary>
    ''' <param name="hook">Instance of the application</param>
    Public Overrides Sub OnCreate(ByVal hook As Object)
        If hook Is Nothing Then
            Return
        End If

        If m_hookHelper Is Nothing Then
            m_hookHelper = New HookHelperClass()
        End If

        m_hookHelper.Hook = hook
    End Sub

    ''' <summary>
    ''' Occurs when this command is clicked
    ''' </summary>
    Public Overrides Sub OnClick()
        If Not m_dynamicBikingCmd Is Nothing Then
            m_dynamicBikingCmd.TrackMode = Not m_dynamicBikingCmd.TrackMode
        End If
    End Sub

    Public Overrides ReadOnly Property Enabled() As Boolean
        Get
            m_dynamicBikingCmd = GetBikingCmd()
            If Not m_dynamicBikingCmd Is Nothing Then
                Return m_dynamicBikingCmd.IsPlaying
            End If

            Return False
        End Get
    End Property

    Public Overrides ReadOnly Property Checked() As Boolean
        Get
            If Not m_dynamicBikingCmd Is Nothing Then
                Return m_dynamicBikingCmd.TrackMode
            End If
            Return False
        End Get
    End Property

#End Region

    Private Function GetBikingCmd() As DynamicBikingCmd
      If m_hookHelper.Hook Is Nothing Then
        Return Nothing
      End If

      Dim dynamicBikingCmd As DynamicBikingCmd = Nothing
      If TypeOf m_hookHelper.Hook Is IToolbarControl2 Then
        Dim toolbarCtrl As IToolbarControl2 = CType(m_hookHelper.Hook, IToolbarControl2)
        Dim commandPool As ICommandPool2 = TryCast(toolbarCtrl.CommandPool, ICommandPool2)
        Dim commantCount As Integer = commandPool.Count
        Dim command As ICommand = Nothing
        Dim i As Integer = 0
        Do While i < commantCount
          command = commandPool.Command(i)
          If TypeOf command Is DynamicBikingCmd Then
            dynamicBikingCmd = CType(command, DynamicBikingCmd)
          End If
          i += 1
        Loop
      End If

      Return dynamicBikingCmd
    End Function
  End Class