' 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
Namespace FindNearTask_VBNet
  Public Class SearchAreaByPoint
    Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IMapServerToolAction, ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IToolbarItemSetup

    #Region "IMapServerToolAction Members"

    Public Sub ServerAction(ByVal args As ESRI.ArcGIS.ADF.Web.UI.WebControls.ToolEventArgs) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IMapServerToolAction.ServerAction
      'Toolbar.Cell.Row.Table.Task
      Dim task As ESRI.ArcGIS.ADF.Web.UI.WebControls.FloatingPanelTask = TryCast(toolbarItemInfo.Toolbar.Parent.Parent.Parent.Parent, ESRI.ArcGIS.ADF.Web.UI.WebControls.FloatingPanelTask)
      If task Is Nothing Then
        Return
      End If

      Dim cTask As FindNearTask = TryCast(task, FindNearTask)
      Dim map As ESRI.ArcGIS.ADF.Web.UI.WebControls.Map = TryCast(args.Control, ESRI.ArcGIS.ADF.Web.UI.WebControls.Map)
      If map Is Nothing Then
        Return
      End If
'      #Region "Create geometry"
      Dim pargs As ESRI.ArcGIS.ADF.Web.UI.WebControls.PointEventArgs = TryCast(args, ESRI.ArcGIS.ADF.Web.UI.WebControls.PointEventArgs)
      Dim point As ESRI.ArcGIS.ADF.Web.Geometry.Point = ESRI.ArcGIS.ADF.Web.Geometry.Point.ToMapPoint(pargs.ScreenPoint, map.GetTransformationParams(ESRI.ArcGIS.ADF.Web.Geometry.TransformationDirection.ToMap))

      Dim inputGeometries As ESRI.ArcGIS.ADF.Web.Geometry.Geometry() = New ESRI.ArcGIS.ADF.Web.Geometry.Geometry(0){}
      inputGeometries(0) = TryCast(point, ESRI.ArcGIS.ADF.Web.Geometry.Geometry)
      cTask.TaskInput.SetUserInputGeometries(inputGeometries)
'      #End Region
      cTask.UpdateInputGraphicsLayers()

      Dim hideActivityIndicatorCallbackResult As ESRI.ArcGIS.ADF.Web.UI.WebControls.CallbackResult = ESRI.ArcGIS.ADF.Web.UI.WebControls.CallbackResult.CreateJavaScript("hideUpdateAreaIndicator();")
      map.CallbackResults.Add(hideActivityIndicatorCallbackResult)
    End Sub
    #End Region

    #Region "IToolbarItemSetup Members"
    Private toolbarItemInfo As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo
    Public Sub Initialize(ByVal info As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IToolbarItemSetup.Initialize
      toolbarItemInfo = info
    End Sub

    Public Sub Unload(ByVal info As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IToolbarItemSetup.Unload
    End Sub

    #End Region
  End Class

  Public Class SearchAreaByTaskResult
    Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IMapServerToolAction

    #Region "IMapServerToolAction Members"

    Public Sub ServerAction(ByVal args As ESRI.ArcGIS.ADF.Web.UI.WebControls.ToolEventArgs) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IMapServerToolAction.ServerAction
    End Sub
    #End Region
  End Class

  Public Class AddSearchPolyline
    Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IMapServerToolAction, ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IToolbarItemSetup

    #Region "IMapServerToolAction Members"

    Public Sub ServerAction(ByVal args As ESRI.ArcGIS.ADF.Web.UI.WebControls.ToolEventArgs) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IMapServerToolAction.ServerAction
      ' Get a reference to the containing FindNearTask
      Dim findNearTask As FindNearTask_VBNet.FindNearTask = TryCast(Utility.GetContainer(toolbarItemInfo.Toolbar, GetType(FindNearTask_VBNet.FindNearTask)), FindNearTask_VBNet.FindNearTask)

      Dim mapPolylineEventArgs As ESRI.ArcGIS.ADF.Web.UI.WebControls.MapPolylineEventArgs = TryCast(args, ESRI.ArcGIS.ADF.Web.UI.WebControls.MapPolylineEventArgs)

      Dim inputGeometries As ESRI.ArcGIS.ADF.Web.Geometry.Geometry() = New ESRI.ArcGIS.ADF.Web.Geometry.Geometry(0){}
      inputGeometries(0) = TryCast(mapPolylineEventArgs.MapPolyline, ESRI.ArcGIS.ADF.Web.Geometry.Geometry)

      findNearTask.TaskInput.SetUserInputGeometries(inputGeometries)
      findNearTask.UpdateInputGraphicsLayers()

      ' Get a reference to the map control on which the tool was executed
      Dim adfMap As ESRI.ArcGIS.ADF.Web.UI.WebControls.Map = CType(args.Control, ESRI.ArcGIS.ADF.Web.UI.WebControls.Map)
      Dim hideActivityIndicatorCallbackResult As ESRI.ArcGIS.ADF.Web.UI.WebControls.CallbackResult = ESRI.ArcGIS.ADF.Web.UI.WebControls.CallbackResult.CreateJavaScript("hideUpdateAreaIndicator();")
      adfMap.CallbackResults.Add(hideActivityIndicatorCallbackResult)
    End Sub
    #End Region

    #Region "IToolbarItemSetup Members"
    Private toolbarItemInfo As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo
    Public Sub Initialize(ByVal info As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IToolbarItemSetup.Initialize
      toolbarItemInfo = info
    End Sub

    Public Sub Unload(ByVal info As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IToolbarItemSetup.Unload
    End Sub

    #End Region
  End Class

  Public Class Utility
    Public Shared Function GetContainer(ByVal control As System.Web.UI.Control, ByVal typeOfContainer As System.Type) As System.Web.UI.Control
      Dim containerControl As System.Web.UI.Control = Nothing
      If Not control.Parent Is Nothing Then
        If typeOfContainer.IsAssignableFrom(control.Parent.GetType()) Then
          containerControl = control.Parent
        Else
          containerControl = GetContainer(control.Parent, typeOfContainer)
        End If
      End If

      Return containerControl
    End Function
  End Class

  Public Class AddSearchPolygon
    Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IMapServerToolAction, ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IToolbarItemSetup

    #Region "IMapServerToolAction Members"

    Public Sub ServerAction(ByVal args As ESRI.ArcGIS.ADF.Web.UI.WebControls.ToolEventArgs) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IMapServerToolAction.ServerAction
      ' Get a reference to the containing FindNearTask
      Dim findNearTask As FindNearTask_VBNet.FindNearTask = TryCast(Utility.GetContainer(toolbarItemInfo.Toolbar, GetType(FindNearTask_VBNet.FindNearTask)), FindNearTask_VBNet.FindNearTask)

      Dim mapPolygonEventArgs As ESRI.ArcGIS.ADF.Web.UI.WebControls.MapPolygonEventArgs = TryCast(args, ESRI.ArcGIS.ADF.Web.UI.WebControls.MapPolygonEventArgs)

      Dim inputGeometries As ESRI.ArcGIS.ADF.Web.Geometry.Geometry() = New ESRI.ArcGIS.ADF.Web.Geometry.Geometry(0){}
      inputGeometries(0) = TryCast(mapPolygonEventArgs.MapPolygon, ESRI.ArcGIS.ADF.Web.Geometry.Geometry)

      findNearTask.TaskInput.SetUserInputGeometries(inputGeometries)
      findNearTask.UpdateInputGraphicsLayers()

      ' Get a reference to the map control on which the tool was executed
      Dim adfMap As ESRI.ArcGIS.ADF.Web.UI.WebControls.Map = CType(args.Control, ESRI.ArcGIS.ADF.Web.UI.WebControls.Map)
      Dim hideActivityIndicatorCallbackResult As ESRI.ArcGIS.ADF.Web.UI.WebControls.CallbackResult = ESRI.ArcGIS.ADF.Web.UI.WebControls.CallbackResult.CreateJavaScript("hideUpdateAreaIndicator();")
      adfMap.CallbackResults.Add(hideActivityIndicatorCallbackResult)
    End Sub
    #End Region

    #Region "IToolbarItemSetup Members"
    Private toolbarItemInfo As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo
    Public Sub Initialize(ByVal info As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IToolbarItemSetup.Initialize
      toolbarItemInfo = info
    End Sub

    Public Sub Unload(ByVal info As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IToolbarItemSetup.Unload
    End Sub

    #End Region
  End Class

  Public Class SearchAreaBySelection
    Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IMapServerToolAction, ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IToolbarItemSetup

    #Region "IMapServerToolAction Members"

    Public Sub ServerAction(ByVal toolEventArgs As ESRI.ArcGIS.ADF.Web.UI.WebControls.ToolEventArgs) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IMapServerToolAction.ServerAction
      ' Get a reference to the containing FindNearTask
      Dim findNearTask As FindNearTask_VBNet.FindNearTask = TryCast(Utility.GetContainer(toolbarItemInfo.Toolbar, GetType(FindNearTask_VBNet.FindNearTask)), FindNearTask_VBNet.FindNearTask)

      ' Get a reference to the map control on which the tool was executed
      Dim adfMap As ESRI.ArcGIS.ADF.Web.UI.WebControls.Map = CType(toolEventArgs.Control, ESRI.ArcGIS.ADF.Web.UI.WebControls.Map)

      ' Get the map extent of the rectangle drawn on the map
      Dim mapRectangleEventArgs As ESRI.ArcGIS.ADF.Web.UI.WebControls.MapRectangleEventArgs = CType(toolEventArgs, ESRI.ArcGIS.ADF.Web.UI.WebControls.MapRectangleEventArgs)
      Dim adfEnvelope As ESRI.ArcGIS.ADF.Web.Geometry.Envelope = mapRectangleEventArgs.MapExtent
      ' Get the user-specified tool parameters specified via the page's interface

      Dim selectionInput As String = Nothing
      If adfMap.Page.IsCallback Then
        ' Since the page is using the callback framework, the tool parameters have been packaged 
        ' along with the callback parameters.  This is done via custom javascript.
        Dim callbackArguments As String = adfMap.Page.Request.Params("__CALLBACKPARAM")
        Dim callbackArgsCollection As System.Collections.Specialized.NameValueCollection = ESRI.ArcGIS.ADF.Web.UI.WebControls.CallbackUtility.ParseStringIntoNameValueCollection(callbackArguments)
        selectionInput = callbackArgsCollection("SelectionLayer")
      Else
        ' Since the page is using the PartialPostback framework, and the controls receiving user
        ' input are ASP.NET server controls, the tool parameters are automatically passed in
        ' the page's request parameters.
        selectionInput = adfMap.Page.Request.Params("SelectionLayer")
      End If

      Dim selectionInputArray As String() = selectionInput.Split(","c)

      ' Get the name of the resource on which to perform the selection
      Dim resourceName As String = selectionInputArray(0)

      ' Get a reference to the resource
      Dim commonMapFunctionality As ESRI.ArcGIS.ADF.Web.DataSources.IMapFunctionality = adfMap.GetFunctionality(resourceName)
      Dim gisResource As ESRI.ArcGIS.ADF.Web.DataSources.IGISResource = commonMapFunctionality.Resource

      ' Create a query functionality to use in querying the resource
      Dim commonQueryFunctionality As ESRI.ArcGIS.ADF.Web.DataSources.IQueryFunctionality = CType(gisResource.CreateFunctionality(GetType(ESRI.ArcGIS.ADF.Web.DataSources.IQueryFunctionality), Nothing), ESRI.ArcGIS.ADF.Web.DataSources.IQueryFunctionality)

      Dim selectionLayerID As String = selectionInputArray(1)

      ' Set-up a spatial filter to use in querying the resource
      Dim adfSpatialFilter As ESRI.ArcGIS.ADF.Web.SpatialFilter = New ESRI.ArcGIS.ADF.Web.SpatialFilter()
      adfSpatialFilter.ReturnADFGeometries = True
      adfSpatialFilter.MaxRecords = 100
      adfSpatialFilter.Geometry = adfEnvelope

      ' Query the selection layer with the user-drawn rectangle
      Dim resultsDataTable As System.Data.DataTable = commonQueryFunctionality.Query(commonMapFunctionality.Name, selectionLayerID, adfSpatialFilter)

      ' Convert the results data table to a graphics layer
      Dim resultsGraphicsLayer As ESRI.ArcGIS.ADF.Web.Display.Graphics.GraphicsLayer = ESRI.ArcGIS.ADF.Web.Converter.ToGraphicsLayer(resultsDataTable)

      Dim inputGeometries As ESRI.ArcGIS.ADF.Web.Geometry.Geometry() = New ESRI.ArcGIS.ADF.Web.Geometry.Geometry(resultsGraphicsLayer.Rows.Count - 1){}

      Dim i As Integer = 0
      Do While i < resultsGraphicsLayer.Rows.Count
        inputGeometries(i) = resultsGraphicsLayer.GeometryFromRow(resultsGraphicsLayer.Rows(i))
        i += 1
      Loop

      findNearTask.TaskInput.SetUserInputGeometries(inputGeometries)
      findNearTask.UpdateInputGraphicsLayers()

      Dim hideActivityIndicatorCallbackResult As ESRI.ArcGIS.ADF.Web.UI.WebControls.CallbackResult = ESRI.ArcGIS.ADF.Web.UI.WebControls.CallbackResult.CreateJavaScript("hideUpdateAreaIndicator();")
      adfMap.CallbackResults.Add(hideActivityIndicatorCallbackResult)

      ' Select each result so that its node is checked in the TaskResults control
      'foreach (System.Data.DataRow dataRow in resultsGraphicsLayer.Rows)
      '    dataRow[resultsGraphicsLayer.IsSelectedColumn] = true;

      ' Render the results on the client to enable callouts and highlighting
      'resultsGraphicsLayer.RenderOnClient = true;


      '// Create a DataSet and add the results to it
      'string resultsDataSetName = string.Format("Selected Features - {0}",
      '    resultsGraphicsLayer.TableName);
      'System.Data.DataSet resultsDataSet = new System.Data.DataSet(resultsDataSetName);
      'resultsDataSet.Tables.Add(resultsGraphicsLayer);

      '// Retrieve the TaskResults control from session and add the results to it
      'ESRI.ArcGIS.ADF.Web.UI.WebControls.TaskResults taskResults =
      '    (ESRI.ArcGIS.ADF.Web.UI.WebControls.TaskResults)adfMap.Page.Session["TaskResultsControl"];
      'taskResults.DisplayResults(null, null, null, resultsDataSet);

      '// Copy the TaskResults' callback results to the Map so the results show up
      'adfMap.CallbackResults.CopyFrom(taskResults.CallbackResults);
      Return
    End Sub
    #End Region


    #Region "IToolbarItemSetup Members"
    Private toolbarItemInfo As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo
    Public Sub Initialize(ByVal info As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IToolbarItemSetup.Initialize
      toolbarItemInfo = info
    End Sub

    Public Sub Unload(ByVal info As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IToolbarItemSetup.Unload
    End Sub

    #End Region
  End Class

  Public Class ClearInput
    Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IMapServerCommandAction
    #Region "IMapServerCommandAction Members"

    Private Sub ServerAction(ByVal toolbarItemInfo As ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.ToolbarItemInfo) Implements ESRI.ArcGIS.ADF.Web.UI.WebControls.Tools.IServerAction.ServerAction
      ' Get a reference to the containing FindNearTask
      Dim findNearTask As FindNearTask_VBNet.FindNearTask = TryCast(Utility.GetContainer(toolbarItemInfo.Toolbar, GetType(FindNearTask_VBNet.FindNearTask)), FindNearTask_VBNet.FindNearTask)
      findNearTask.ClearTaskInput()
    End Sub

    #End Region
  End Class
End Namespace