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MainWindow.xaml.vb
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MainWindow.xaml.vb
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Imports mshtml
Class MainWindow
Dim zippo As New clsZippo
Public Property CurrentPage As Uri
Private Sub btnExternal_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs)
Dim outputString As String = ""
Dim productIdCounter As Integer = 0
Dim tempstr As String = ""
Dim imgsrc As String = ""
Dim previousclass As String = ""
'reset image to prevent collecting previous zippo images
zippo.Images.Clear()
'fetch image url
'check if document exists
If myBrowser.Document IsNot Nothing Then
'try to find specific id on zippo site "imgHero"
Dim element As Object = myBrowser.Document.GetElementById("imgHero")
'if the element exists
If element IsNot Nothing Then
'get the image location
imgsrc = element.GetAttribute("src")
If imgsrc IsNot Nothing Then
outputString &= " imgUrl: " & imgsrc & Environment.NewLine
End If
Else
'no element found
outputString &= "imgUrl: No suited image url found" & Environment.NewLine
End If
Dim currentDocument As mshtml.IHTMLDocument2 = myBrowser.Document
Dim Elems As IHTMLElementCollection
Elems = currentDocument.links
'loop through all links on the page and filter out the item images
For Each elem As IHTMLElement In Elems
If elem.className IsNot Nothing Then
Dim cssClass As String = elem.className
Select Case cssClass.Split(" ")(0)
Case "altView"
imgsrc = elem.getAttribute("href")
If imgsrc IsNot Nothing Then
zippo.addImage(imgsrc)
End If
End Select
If previousclass = "altView" AndAlso cssClass <> "altView" Then
'got consecutive images, no need to keep searching
'better use while loop
Exit For
End If
End If
Next
Elems = currentDocument.body.all
'loop through all gathered elements on the page and filter out the item specs
For Each elem As IHTMLElement In Elems
If elem.getAttribute("itemprop") IsNot Nothing Then
Dim itemprop As Object = elem.getAttribute("itemprop")
Select Case itemprop.ToString
Case "name"
zippo.Category = elem.innerText
Case "offers"
zippo.Price = elem.innerText
Case "productID"
If productIdCounter < 1 Then
zippo.PUID = String.Format("{0:c}", elem.innerText)
productIdCounter += 1
End If
Case "description"
zippo.Finishing = elem.innerHTML.Split("<br>")(1).Substring(4)
tempstr = ""
Dim description As String = elem.innerHTML.Replace("<BR>", Environment.NewLine)
Dim lines As Array = Split(elem.innerHTML, "<BR>")
For ii As Integer = 2 To lines.Length - 1
tempstr &= lines(ii) & Environment.NewLine
Next
zippo.Description = tempstr
End Select
End If
Next
zippo.Url = CurrentPage
Try
Dim parameters As String = CurrentPage.ToString.Split("?")(1)
zippo.ZID = parameters.Split("=")(1)
Catch
End Try
'retrieving zippo properties
outputString &= "Images: " & Environment.NewLine
For ii As Integer = 0 To zippo.Images.Count - 1
outputString &= zippo.Images(ii).ToString & Environment.NewLine
Next
outputString &= "Category: " & zippo.Category & Environment.NewLine
outputString &= "Price: " & zippo.Price & Environment.NewLine
outputString &= "productID: " & zippo.PUID & Environment.NewLine
outputString &= "Finishing: " & zippo.Finishing & Environment.NewLine
outputString &= "Description: " & Environment.NewLine & zippo.Description & Environment.NewLine
outputString &= "Uri: " & zippo.Url.ToString & Environment.NewLine
outputString &= "Id: " & zippo.ZID & Environment.NewLine
MessageBox.Show(outputString)
End If
End Sub
Private Sub btnInternal_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs)
'load default page
myBrowser.Navigate("http://www.zippo.com/search.aspx")
End Sub
' Handle the search event
'IMPORTANT: REFERENCE TO NAME INSTEAD OF CLASS!!!
Private Sub Search(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles Shortcutmenu1.search
Me.btnInternal_Click(sender, e)
End Sub
' Handle the collect event
'IMPORTANT: REFERENCE TO NAME INSTEAD OF CLASS!!!
Private Sub Collect(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles Shortcutmenu1.collect
Me.btnExternal_Click(sender, e)
End Sub
Private Sub myBrowser_Navigating(ByVal sender As System.Object, ByVal e As System.Windows.Navigation.NavigatingCancelEventArgs) Handles myBrowser.Navigating
'load uri to text
CurrentPage = e.Uri
txtLoad.Text = CurrentPage.ToString
End Sub
Private Sub myBrowser_LoadCompleted(ByVal sender As System.Object, ByVal e As System.Windows.Navigation.NavigationEventArgs) Handles myBrowser.LoadCompleted
'####REGION
'TODO: Overflow:hidden to disable scrollbars on document
' //Dim currentDocument As mshtml.HTMLDocument = myBrowser.Document.DomDocument
' Dim currentDocument As mshtml.IHTMLDocument = myBrowser.Document
' Dim length As Integer = currentDocument.styleSheets.length
' Dim stylesheet As mshtml.IHTMLStyleSheet = currentDocument.createStyleSheet("", length + 1)
' stylesheet.cssText = "body{overflow:hidden;color:red;background-color:green;}"
'###END REGION
If (myBrowser.Document IsNot Nothing) Then
'hiding header
Dim header As IHTMLElement = myBrowser.Document.GetElementById("hdrSite")
header.style.display = "none"
header.innerHTML = ""
'hiding irritating sliced malfunctioning footer
Dim footer As IHTMLElement = myBrowser.Document.GetElementById("ftrSite")
footer.style.display = "none"
footer.innerHTML = ""
'hiding sidebar
Dim currentDocument As mshtml.IHTMLDocument = myBrowser.Document
Dim Elems As IHTMLElementCollection
Elems = currentDocument.body.all
'loop through all gathered elements on the page and filter out the item specs
For Each elem As IHTMLElement In Elems
If elem.getAttribute("class") IsNot Nothing Then
Dim itemprop As Object = elem.getAttribute("class")
Select Case itemprop.ToString
Case "listKickersRight"
elem.style.display = "none"
End Select
End If
Next
'when on search page, scroll the search container to the top of the page
If e.Uri.ToString = "http://www.zippo.com/search.aspx" Then
Dim element As Object = myBrowser.Document.GetElementById("fSearch")
If element IsNot Nothing Then
element.ScrollIntoView(True)
End If
End If
End If
End Sub
End Class