' 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.
' 

Imports System.Runtime.InteropServices
Imports System.Drawing
Imports ESRI.ArcGIS.ADF.BaseClasses
Imports ESRI.ArcGIS.ADF.CATIDs
Imports ESRI.ArcGIS.Controls
Imports System.Windows.Forms
Imports ESRI.ArcGIS.Carto
Imports ESRI.ArcGIS.Display
Imports ESRI.ArcGIS.Geometry

<ComClass(AddDateTool.ClassId, AddDateTool.InterfaceId, AddDateTool.EventsId)> _
Public NotInheritable Class AddDateTool
  Inherits BaseTool

#Region "COM GUIDs"
    ' These  GUIDs provide the COM identity for this class 
    ' and its COM interfaces. If you change them, existing 
    ' clients will no longer be able to access the class.
    Public Const ClassId As String = "35c6e12a-b09c-4673-8ab8-85491f31cd16"
    Public Const InterfaceId As String = "9b0c240f-ddf2-4d47-95ca-97239447d765"
    Public Const EventsId As String = "837eac70-8f4a-4d7c-8d3c-64e605be9980"
#End Region

#Region "COM Registration Function(s)"
    <ComRegisterFunction(), ComVisibleAttribute(False)> _
    Public Shared Sub RegisterFunction(ByVal registerType As Type)
        ' Required for ArcGIS Component Category Registrar support
        ArcGISCategoryRegistration(registerType)

        'Add any COM registration code after the ArcGISCategoryRegistration() call

    End Sub

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

        'Add any COM unregistration code after the ArcGISCategoryUnregistration() call

    End Sub

#Region "ArcGIS Component Category Registrar generated code"
    Private Shared Sub ArcGISCategoryRegistration(ByVal registerType As Type)
        Dim regKey As String = String.Format("HKEY_CLASSES_ROOT\CLSID\{{{0}}}", registerType.GUID)
        ControlsCommands.Register(regKey)
        MxCommands.Register(regKey)
    End Sub
    Private Shared Sub ArcGISCategoryUnregistration(ByVal registerType As Type)
        Dim regKey As String = String.Format("HKEY_CLASSES_ROOT\CLSID\{{{0}}}", registerType.GUID)
        ControlsCommands.Unregister(regKey)
        MxCommands.Unregister(regKey)

    End Sub

#End Region
#End Region

    Private m_hookHelper As IHookHelper

  ' A creatable COM class must have a Public Sub New() 
  ' with no parameters, otherwise, the class will not be 
  ' registered in the COM registry and cannot be created 
  ' via CreateObject.
  Public Sub New()
    MyBase.New()

        MyBase.m_category = "CustomMapViewer"
        MyBase.m_caption = "Add Date"
        MyBase.m_message = "Adds a date element to the active view"
        MyBase.m_toolTip = "Add Date"
        MyBase.m_name = "CustomMapViewer_AddDateTool"

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

  Public Overrides Sub OnCreate(ByVal hook As Object)
        If m_hookHelper Is Nothing Then m_hookHelper = New HookHelperClass

        If Not hook Is Nothing Then
            Try
                m_hookHelper.Hook = hook
                If m_hookHelper.ActiveView Is Nothing Then m_hookHelper = Nothing
            Catch
                m_hookHelper = Nothing
            End Try

            'Disable if hook fails
            If m_hookHelper Is Nothing Then
                MyBase.m_enabled = False
            Else
                MyBase.m_enabled = True
            End If

        End If
  End Sub

  Public Overrides Sub OnClick()
    'TODO: Add AddDateTool.OnClick implementation
  End Sub

  Public Overrides Sub OnMouseDown(ByVal Button As Integer, ByVal Shift As Integer, ByVal X As Integer, ByVal Y As Integer)
        'Get the active view
        Dim pActiveView As IActiveView = m_hookHelper.ActiveView

        'Create a new text element
        Dim pTextElement As ITextElement = New TextElementClass
        'Create a text symbol
        Dim pTextSymbol As ITextSymbol = New TextSymbolClass
        pTextSymbol.Size = 25

        'Set the text element properties
        pTextElement.Symbol = pTextSymbol
        pTextElement.Text = Date.Now.ToShortDateString

        'QI for IElement
        Dim pElement As IElement
        pElement = pTextElement
        'Create a point
        Dim pPoint As IPoint
        pPoint = pActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y)
        'Set the elements geometry
        pElement.Geometry = pPoint

        'Add the element to the graphics container
        pActiveView.GraphicsContainer.AddElement(pTextElement, 0)
        'Refresh the graphics
        pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, Nothing, Nothing)
    End Sub

  Public Overrides Sub OnMouseMove(ByVal Button As Integer, ByVal Shift As Integer, ByVal X As Integer, ByVal Y As Integer)
    'TODO: Add AddDateTool.OnMouseMove implementation
  End Sub

  Public Overrides Sub OnMouseUp(ByVal Button As Integer, ByVal Shift As Integer, ByVal X As Integer, ByVal Y As Integer)
    'TODO: Add AddDateTool.OnMouseUp implementation
  End Sub
End Class