' Copyright 2011 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.Collections.Generic
Imports System.ComponentModel
Imports System.Text
Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls

Namespace MapCoordinateDisplay
    <DefaultProperty("Text"), _
    ToolboxData("<{0}:MapCoordinateDisplay runat=server></{0}:MapCoordinateDisplay>"), _
    AjaxControlToolkit.ClientScriptResource("MapCoordinateDisplay.MapCoordinateDisplay", "MapCoordinateDisplay.js")> _
    Public Class MapCoordinateDisplay
        Inherits ESRI.ArcGIS.ADF.Web.UI.WebControls.WebControl
        Private m_displayLabel As Label

        Public Property Text() As String
            Get
                Return TryCast(StateManager.GetProperty("text"), String)
            End Get
            Set(ByVal value As String)
                StateManager.SetProperty("text", value)
            End Set
        End Property

        ''' <summary>The ID of the Map control to associate with this control.</summary>
        Public Property Map() As String
            Get

                Return TryCast(StateManager.GetProperty("map"), String)
            End Get
            Set(ByVal value As String)
                StateManager.SetProperty("map", value)
            End Set
        End Property

        Protected Overrides Sub CreateChildControls()
            Controls.Clear()
            MyBase.CreateChildControls()

            m_displayLabel = New Label()
            m_displayLabel.ID = "DisplayLabel"
            m_displayLabel.Text = Text
            m_displayLabel.Font.Bold = True
            Controls.Add(m_displayLabel)
        End Sub

        Protected Overrides Sub OnPreRender(ByVal e As EventArgs)
            MyBase.OnPreRender(e)

            If (Not MyBase.IsAsync) Then
                Dim script As StringBuilder = New StringBuilder()
                script.Append("Sys.Application.add_init(function() {")
                script.Append("$create(MapCoordinateDisplay.MapCoordinateDisplay,")
                script.AppendFormat("{{""displayLabel"":$get('{0}')", m_displayLabel.ClientID)
                script.AppendFormat("}}, null, {{""map"":""{0}""}}, $get('{1}'));", Map, ClientID)
                script.AppendLine("});")

                ScriptManager.RegisterStartupScript(Me, GetType(MapCoordinateDisplay), Me.ClientID & "_startup", script.ToString(), True)
            End If
        End Sub
    End Class
End Namespace