jj 16.11 frmGoogle
This commit is contained in:
JenneJ
@@ -1,79 +1,112 @@
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Imports System.Web
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Imports System.Text
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Imports DevExpress.XtraMap
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Imports DevExpress.Map
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Public Class frmGoogle
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Private ReadOnly Property SearchLayer() As InformationLayer
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'##################### SEARCH ##############################
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'Private ReadOnly Property SearchLayer() As InformationLayer
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' Get
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' Return CType(MapControl1.Layers("SearchLayer"), InformationLayer)
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' End Get
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'End Property
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'Private ReadOnly Property SearchProvider() As BingSearchDataProvider
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' Get
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' Return CType(SearchLayer.DataProvider, BingSearchDataProvider)
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' End Get
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'End Property
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'##################### VECTOR ##############################
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Private ReadOnly Property VectorLayer() As VectorItemsLayer
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Get
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Return CType(MapControl1.Layers("SearchLayer"), InformationLayer)
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End Get
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End Property
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Private ReadOnly Property SearchProvider() As BingSearchDataProvider
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Get
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Return CType(SearchLayer.DataProvider, BingSearchDataProvider)
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Return CType(MapControl1.Layers("VectorLayer"), VectorItemsLayer)
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End Get
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End Property
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Private Sub SearchLayer_DataRequestCompleted(ByVal sender As Object, ByVal e As RequestCompletedEventArgs)
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Private ReadOnly Property ItemStorage() As MapItemStorage
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Get
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Return CType(VectorLayer.Data, MapItemStorage)
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End Get
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End Property
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End Sub
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Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
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' Get the Google maps URL with defult zoom.
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Dim url = GoogleMapUrl(txtAdress.Text, cmbType.Text, 0)
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' Display the URL in the WebBrowser control.
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WebBrowser1.Navigate(url)
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SearchProvider.Search(txtAdress.Text)
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MapControl1.ZoomToFitLayerItems()
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End Sub
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Private Function GoogleMapUrl(query As String, map_type As String, zoom As Integer)
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' Start with the base map URL.
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Dim _url As String = "http://maps.google.com/maps?"
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' Add the query.
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_url &= "q=" + HttpUtility.UrlEncode(query, Encoding.UTF8)
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'Add the type.
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map_type = GoogleMapTypeCode(map_type)
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If Not IsNothing(map_type) Then
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_url += "&t=" + map_type
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End If
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'Add the zoom level.
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If (zoom > 0) Then
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_url += "&z=" + zoom.ToString()
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End If
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Return _url
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End Function
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' Return a Google map type code.
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Private Function GoogleMapTypeCode(map_type As String)
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' Insert the proper type.
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Select Case map_type
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Case "Map"
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Return "m"
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Case "Satellite"
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Return "k"
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Case "Hybrid"
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Return "h"
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Case "Terrain"
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Return "p"
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Case "Google Earth"
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Return "e"
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Case Else
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Return Nothing
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End Select
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End Function
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Private Sub frmGoogle_Load(sender As Object, e As EventArgs) Handles Me.Load
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InitializeComponent()
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' AddHandler SearchLayer.DataRequestCompleted, AddressOf SearchLayer_DataRequestCompleted
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'Events
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AddHandler MapControl1.MapItemClick, AddressOf MapControl1_MapItemClick
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MapControl1.ShowToolTips = True
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MapControl1.SetMapItemFactory(New MapItemFactory())
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'Records holen
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Dim dt As DataTable = ClassDatabase.Return_Datatable("SELECT TOP 10 * FROM VWTEMP_PMO_FORM19")
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Dim lat As Double = 50.6
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Dim lon As Double = 8.6
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' Pins erstellen
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For Each row As DataRow In dt.Rows
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' TODO: How to change PushPin Appearance when selected?
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' TODO: Make Pretty Permanent Tooltip like google maps?
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' MapItemFactory
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' https://documentation.devexpress.com/#WindowsForms/DevExpressXtraMapMapControl_SetMapItemFactorytopic
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Dim pushpin As New MapPushpin()
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pushpin.Location = New GeoPoint(lat, lon)
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pushpin.Text = row.Item("Record-ID")
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pushpin.Information = row
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pushpin.Attributes.Add(New MapItemAttribute() With {.Name = "SNumber", .Type = GetType(String), .Value = row.Item("Supplier_number")})
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pushpin.Attributes.Add(New MapItemAttribute() With {.Name = "SName", .Type = GetType(String), .Value = row.Item("Supplier_name")})
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pushpin.ToolTipPattern = "Supplier Name: {SName} - Supplier Number: {SNumber}"
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ItemStorage.Items.Add(pushpin)
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lat += 0.01
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lon += 0.01
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Next
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End Sub
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End Class
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Private Sub MapControl1_MapItemClick(sender As Object, e As MapItemClickEventArgs)
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Dim item As MapPushpin = e.Item
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Dim row As DataRow = item.Information
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Dim attrs As MapItemAttributeCollection = item.Attributes
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ListBox1.Items.Clear()
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ListBox1.Items.Add(row.Item("Supplier_number"))
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ListBox1.Items.Add(row.Item("Supplier_name"))
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ListBox1.Items.Add(row.Item("MP_Number"))
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End Sub
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Private Sub MapControl1_DrawMapItem(sender As Object, e As DrawMapItemEventArgs) Handles MapControl1.DrawMapItem
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Dim colorOuter As Color = Color.White
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Dim colorInner As Color = Color.Blue
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Dim colorInnerHighlight As Color = Color.Red
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e.Fill = If(e.IsSelected Or e.IsHighlighted, colorInnerHighlight, colorInner)
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e.Stroke = colorOuter
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e.StrokeWidth = If(e.IsSelected, 5, 2)
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End Sub
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Public Class MapItemFactory
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Inherits DefaultMapItemFactory
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Protected Overrides Sub InitializeItem(ByVal item As MapItem, ByVal obj As Object)
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MyBase.InitializeItem(item, obj)
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Dim rect As MapRectangle = TryCast(item, MapRectangle)
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If rect IsNot Nothing Then
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rect.Width = 1000
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rect.Height = 1000
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End If
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End Sub
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End Class
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End Class
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