' 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
Namespace CustomEditorTask_VBNet

    Public Class CustomEditor
        Inherits ESRI.ArcGIS.ADF.ArcGISServer.Editor.Editor
#Region "Constructor"

        Public Sub New(ByVal customEditorTask As CustomEditorTask)
            MyBase.New(customEditorTask)
            ' Add handler to edtior's LayerChanged event to update the editor's current layer definition
            AddHandler LayerChanged, AddressOf CustomEditor_LayerChanged
        End Sub

#End Region

#Region "Event Handling"

        Private Sub CustomEditor_LayerChanged(ByVal featureLayer As ESRI.ArcGIS.Carto.IFeatureLayer)
            ' Update the CurrentLayerDefinition in state
            StateManager.SetProperty("CurrentLayerDefinition", CustomUtilities.GetLayerDefinition(Me))
        End Sub

#End Region

#Region "WebControl Life Cycle Event Overrides"

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

            If MapResource IsNot Nothing AndAlso (Not Page.ClientScript.IsClientScriptBlockRegistered("display_editorSnapTip.js")) Then
                ' Register stylesheet for snap tip style.  Editor base class registers the explicit base 
                ' class type when including stylesheet.  As a result, classes that derive from the Editor 
                ' must explicitly include stylesheet, if needed.
                Dim includeTemplate As String = "<link rel='stylesheet' text='text/css' href='{0}' />"
                Dim scriptLocation As String = Page.ClientScript.GetWebResourceUrl(GetType(CustomEditorTask), "CustomEditorTask_CSharp.styles.editorStyles.css")
                Dim include As New System.Web.UI.LiteralControl(System.String.Format(includeTemplate, scriptLocation))
                CType(Page.Header, System.Web.UI.HtmlControls.HtmlHead).Controls.Add(include)
            End If
        End Sub

#End Region

#Region "EditorTask Panel Creation Overrides"

        'add select by attributes panel to panels collection
        Protected Overrides Function CreateEditorPanels() As System.Collections.Generic.List(Of ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel)
            ' Get a reference to the default panel collection
            Dim editorPanelList As System.Collections.Generic.List(Of ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel) = MyBase.CreateEditorPanels()

            ' Instantiate a SearchAttributesPanel for use by the editor
            Dim searchAttributesPanel As ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel = New SearchAttributesPanel(Me.EditorTask)

            ' Add the SearchAttributesPanel to the panels collection 
            editorPanelList.Add(searchAttributesPanel)

            ' Uncomment the following sections to add a QueryBuilderPanel and/or a SimpleQueryPanel
            ' to the CustomEditorTask

            ' Create a SimpleQueryPanel instance for use by the editor
            Dim SimpleQueryPanel As ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel = New SimpleQueryPanel(Me.EditorTask)

            'Add the SimpleQueryPanel to the panels collection
            editorPanelList.Add(SimpleQueryPanel)

            ' Create an instance of the QueryBuilderPanel for the editor
            Dim QueryBuilderPanel As ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel = New QueryBuilderPanel(Me.EditorTask)

            ' Add the QueryBuilderPanel to the panels collection
            editorPanelList.Add(QueryBuilderPanel)

            Return editorPanelList
        End Function

        ' Override to create and return the custom EditExistingFeaturePanel
        Protected Overrides Function CreateEditExistingFeaturePanel(ByVal editorTask As ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorTask) As ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel
            Return New CustomEditExistingFeaturePanel(editorTask)
        End Function

        Protected Overrides Function CreateEditAttributesPanel(ByVal editorTask As ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorTask) As ESRI.ArcGIS.ADF.ArcGISServer.Editor.EditorPanel
            Return New CustomEditAttributesPanel(editorTask)
        End Function

#End Region

#Region "Instance Properties"

        ' LayerDefinition object for currently selected layer
        Public ReadOnly Property CurrentLayerDefinition() As ESRI.ArcGIS.ADF.Web.UI.WebControls.LayerDefinition
            Get
                ' Get the current layer definition from state
                Dim layerDefinition As ESRI.ArcGIS.ADF.Web.UI.WebControls.LayerDefinition = TryCast(StateManager.GetProperty("CurrentLayerDefinition"), ESRI.ArcGIS.ADF.Web.UI.WebControls.LayerDefinition)

                ' If no layer definition is in state, execute method to retrieve it
                If layerDefinition Is Nothing Then
                    layerDefinition = CustomUtilities.GetLayerDefinition(Me)
                End If
                Return (layerDefinition)
            End Get
        End Property

        ' ID of currently selected polyline layer in resource being edited
        Friend Property PolylineLayerID() As Integer
            Get
                Dim obj As Object = Page.Session("PolylineLayerID")
                Return If(obj Is Nothing, -1, CInt(Fix(obj)))
            End Get

            Set(ByVal value As Integer)
                Page.Session("PolylineLayerID") = value
            End Set
        End Property

#End Region
    End Class

End Namespace