' 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.Windows.Forms
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.Geometry


  ''' <summary>
  ''' Add a new weather item given a zipCode.
  ''' </summary>
  ''' <remarks>Should the weather item exist, it will be updated</remarks>
  <ClassInterface(ClassInterfaceType.None), Guid("D19CA1E0-FC77-4d2a-8FAA-EC74683FA991"), ProgId("AddWeatherItemCmd"), ComVisible(True)> _
  Public NotInheritable Class AddWeatherItemCmd : 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)
    MxCommands.Register(regKey)
    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)
    MxCommands.Unregister(regKey)
    ControlsCommands.Unregister(regKey)
    End Sub

    #End Region
    #End Region

  'class members
  Private m_hookHelper As IHookHelper = Nothing
    Private m_weatherLayer As RSSWeatherLayerClass = Nothing

  ''' <summary>
  ''' CTor
  ''' </summary>
    Public Sub New()
    MyBase.m_category = "Weather"
      MyBase.m_caption = "Add Weather item by zipcode"
      MyBase.m_message = "Add weather item by zipcode"
      MyBase.m_toolTip = "Add by zipcode"
      MyBase.m_name = MyBase.m_category & "_" & MyBase.m_caption

      Try
    MyBase.m_bitmap = New Bitmap(Me.GetType().Assembly.GetManifestResourceStream(Me.GetType(), "AddWeatherItemCmd.bmp"))
      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)
        'Instantiate the hook helper
        If m_hookHelper Is Nothing Then
            m_hookHelper = New HookHelperClass()
        End If

        'set the hook
        m_hookHelper.Hook = hook
    End Sub

    ''' <summary>
    ''' Occurs when this command is clicked
    ''' </summary>
    Public Overrides Sub OnClick()
        Try
            If 0 = m_hookHelper.FocusMap.LayerCount Then
                Return
            End If

            'get the weather layer
            Dim layers As IEnumLayer = m_hookHelper.FocusMap.Layers(Nothing, False)
            layers.Reset()
            Dim layer As ILayer = layers.Next()
            Do While Not layer Is Nothing
                If TypeOf layer Is RSSWeatherLayerClass Then
                    m_weatherLayer = CType(layer, RSSWeatherLayerClass)
                    Exit Do
                End If
                layer = layers.Next()
            Loop

            'in case that the layer exists
            If Not Nothing Is m_weatherLayer Then
                'launch the zipCode input dialog
                Dim dlg As ZipCodeDlg = New ZipCodeDlg()
                If System.Windows.Forms.DialogResult.OK = dlg.ShowDialog() Then
                    Dim zipCode As Long = dlg.ZipCode
                    If 0 <> zipCode Then
                        'add the weather item to the layer
                        m_weatherLayer.AddItem(zipCode)

                        'if the user checked the 'ZoomTo' checkbox, zoom to the item
                        If dlg.ZoomToItem Then
                            m_weatherLayer.ZoomTo(zipCode)
                        End If
                    End If
                End If
            End If
        Catch ex As Exception
            System.Diagnostics.Trace.WriteLine(ex.Message)
        End Try
    End Sub

#End Region
  End Class