Imports System.Web.Configuration

Partial Public Class PrincipalList
  Inherits System.Web.UI.Page

  Private Shared intDateColumn As Integer
  Private Shared dblRows As Double = 0
  Private Shared strGVFilter As String = ""

  Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
    If Not Page.IsPostBack Then dblRows = 0

    lblMessage.Text = ""
  End Sub

  Private Sub Page_LoadComplete(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.LoadComplete

    If Not Page.IsPostBack Then
      Dim arrFilter(0) As String
      Dim intStart, intEnd As Integer
      intDateColumn = gvPrincipal.Columns.Count - 2

      gvPrincipal.PageSize = WebConfigurationManager.AppSettings("PAGESIZE")
      If WebConfigurationManager.AppSettings("ULEVEL") <> 5 Then
        btnAdd1.Enabled = False
        btnAdd2.Enabled = False
      End If

      If WebConfigurationManager.AppSettings("strPage") = "PrincipalDetails" Then

        If WebConfigurationManager.AppSettings("ShowMore") = True Then
          gvPrincipal.PageSize = WebConfigurationManager.AppSettings("MAXPAGESIZE")
        End If

        gvPrincipal.PageIndex = WebConfigurationManager.AppSettings("intListIndex")
        strGVFilter = WebConfigurationManager.AppSettings("intListFilter")
        Try
          arrFilter(0) = strGVFilter.Replace(" AND ", Chr(31))
          arrFilter = arrFilter(0).Split(Chr(31))
          For i As Integer = 1 To arrFilter.Length - 1
            If arrFilter(i).Contains("strPrincipal") Then
              intStart = arrFilter(i).LastIndexOf("'%")
              intEnd = arrFilter(i).LastIndexOf("%'")
              'ddlStatus.SelectedValue = arrFilter(i).Substring(arrFilter(i).IndexOf("=")).Trim
              txtPrincipal.Text = arrFilter(i).Substring(intStart + 2, intEnd - intStart - 2)
            End If
            'If arrFilter(i).Contains("refPrincipalID") Then ddlKeyAccount.SelectedValue = arrFilter(i).Substring(arrFilter(i).IndexOf("=") + 1).Trim
          Next

          sdsPrincipal.FilterExpression = strGVFilter
          'Exit Sub
        Catch ex As Exception

        End Try

      End If

      btnSearch_Click(sender, e)
    End If

    dblRows = gvPrincipal.PageIndex * gvPrincipal.PageSize     '< has to run for every action				
  End Sub

  Private Sub Page_PreRenderComplete(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.PreRenderComplete
    Dim s As String = ""

    btnExport.Enabled = True

    If strGVFilter.Length > 0 Then s = "WHERE " & strGVFilter
    If sqlDB.CountRows("SELECT PrincipalID FROM mstPrincipal " & s) = 0 Then
      lblMessage.Text = "<div width='100%' align='center'>- No Principals found -</div>"
      btnExport.Enabled = False
    End If
  End Sub

  Private Sub gvPrincipal_Sorting(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewSortEventArgs) Handles gvPrincipal.Sorting
    sdsPrincipal.FilterExpression = strGVFilter
    dblRows = 0
  End Sub

  Private Sub gvPrincipal_PageIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles gvPrincipal.PageIndexChanged
    sdsPrincipal.FilterExpression = strGVFilter
    WebConfigurationManager.AppSettings("intListIndex") = gvPrincipal.PageIndex
  End Sub

  Private Sub gvPrincipal_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles gvPrincipal.RowDataBound

    If e.Row.RowType = DataControlRowType.DataRow Then

      Dim btnDelete As LinkButton = CType(e.Row.Cells(e.Row.Cells.Count - 1).Controls(0), LinkButton)
      If WebConfigurationManager.AppSettings("ULEVEL") = 5 Then
        btnDelete.OnClientClick = String.Format("return confirm('Are you certain you want to delete Principal ""{0}"" ?');", _
         DirectCast(DirectCast(e.Row.Cells(1).Controls(0), System.Web.UI.Control), System.Web.UI.WebControls.HyperLink).Text)
        'might need to change e.Row.Cells(1).Controls(0) if using inGridEdit
      Else
        btnDelete.Enabled = False
      End If
      Try
        dblRows += 1
        e.Row.Cells(0).Text = dblRows
        e.Row.Cells(intDateColumn).Text = sqlDB.SqlDate(e.Row.Cells(intDateColumn).Text, "d MMM yyyy")  ' "d MMM yyyy HH:mm")
      Catch ex As Exception
        e.Row.Cells(intDateColumn).Text = Date.Now.ToString("n/a")
      End Try
    End If
  End Sub

  Private Sub gvPrincipal_RowDeleting(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewDeleteEventArgs) Handles gvPrincipal.RowDeleting
    Dim intRows As Integer = 0
    lblMessage.Text = ""
    intRows += sqlDB.CountRows("SELECT refPrincipalID FROM mstBrand WHERE refPrincipalID = " & e.Keys(0))

    If intRows > 0 Then
      lblMessage.Text = "<div width='100%' align='right'>Unable to delete Principal '" & e.Keys(1) & "': Principal is in use</div>"
      e.Cancel = True
    Else
      e.Cancel = False
      btnSearch_Click(sender, e:=New System.EventArgs())
    End If
  End Sub

  Protected Sub btnSearch_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnSearch.Click
    sdsPrincipal.FilterExpression = "1=1"
    dblRows = 0

    Dim s As String

    If txtPrincipal.Text.Length > 0 Then
      s = sqlDB.CleanString(txtPrincipal.Text.Trim)
      sdsPrincipal.FilterExpression &= " AND strPrincipal LIKE '%" & s & "%'"
    End If
    'If ddlPrincipal.SelectedIndex > 0 Then
    '  sdsPrincipal.FilterExpression &= " AND refPrincipalID = " & ddlPrincipal.SelectedValue
    'End If

    strGVFilter = sdsPrincipal.FilterExpression
    WebConfigurationManager.AppSettings("intListFilter") = strGVFilter

  End Sub

  Protected Sub btnAdd_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnAdd1.Click, btnAdd2.Click
    Response.Redirect("PrincipalDetails.aspx?PID=0")
  End Sub

  Protected Sub btnExport_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnExport.Click
    sdsPrincipal.FilterExpression = strGVFilter
    gvExport.Visible = True

    Response.Clear()
    Response.Buffer = True
    Response.ContentType = "application/vnd.ms-excel"
    Response.Charset = ""
      Response.AddHeader("Content-Disposition", _
       "attachment;filename=PrincipalList_" & Session.Item("User").Replace(" ", "") & "_" & Date.Today.ToString("yyyyMMdd") & ".xls") 'v1.4.5 - 20160913 - Fixed logged In user & savings (i.e use session instead) - maanie
    Me.EnableViewState = False

    Dim oStringWriter As New System.IO.StringWriter()
    Dim oHtmlTextWriter As New System.Web.UI.HtmlTextWriter(oStringWriter)
    Dim frm As HtmlForm = New HtmlForm()
    Me.Controls.Add(frm)
    frm.Controls.Add(gvExport)
    frm.RenderControl(oHtmlTextWriter)
    Response.Write(oStringWriter.ToString())

    gvExport.Visible = False

    Response.End()
  End Sub

  Protected Sub chkResize_CheckedChanged(ByVal sender As Object, ByVal e As EventArgs) Handles chkResize.CheckedChanged
    gvPrincipal.PageIndex = 0
    sdsPrincipal.FilterExpression = strGVFilter
    If chkResize.Checked Then
      gvPrincipal.PageSize = WebConfigurationManager.AppSettings("MAXPAGESIZE")
      WebConfigurationManager.AppSettings("ShowMore") = True
    Else
      gvPrincipal.PageSize = WebConfigurationManager.AppSettings("PAGESIZE")
      WebConfigurationManager.AppSettings("ShowMore") = False
    End If
  End Sub
End Class