Imports System.Web.UI.WebControls

Imports Telerik.Web.UI
Imports System.Data.SqlClient
Imports System.Configuration
Imports Telerik.Web.UI.RadWebControl


Public Class SchuelerAdmin

    Inherits System.Web.UI.Page

    

  

    Private Sub Schueler_InitComplete(sender As Object, e As System.EventArgs) Handles Me.InitComplete

    End Sub

    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        If Not Page.IsPostBack Then
            Me.chkAlleSchuler.Checked = False
            Me.chkAlleSchuler.Visible = False
            Session("Admin") = "True"
            If Session.Item("Admin") = "True" Then
                Session("Lehrer") = 0
                Load_Admin()
            Else
                Session("Lehrer") = 1
            End If
            If Request.QueryString("Schuelernr") <> "" Then
                Me.chkAlleSchuler.Checked = True
                Refresh_RadListBox1()
                selectentry(Me.Request.QueryString("Schuelernr"))
                refresh_data(Me.Request.QueryString("Schuelernr"))
            End If
        End If
        Get_Lehrername()
        update_zugeteilt()
        Me.Form.DefaultButton = Me.btnInsertBeruf.UniqueID
        RadWindowManager1.Windows.Clear()

    End Sub

    Sub update_zugeteilt()
        Try
            Dim dh As New clsDatahandling
            Dim ds As New DataSet
            ds = dh.Get_Tabledata("SELECT dbo.SchuelerBeruf.BerufNr, dbo.Beruf.Bezeichnung FROM dbo.SchuelerBeruf INNER JOIN dbo.Beruf ON dbo.SchuelerBeruf.BerufNr = dbo.Beruf.Berufnr where schuelerberufnr=" + Me.RadGridSchuelerberuf.SelectedValue.ToString, False, True)

            Session("Berufnr") = ds.Tables(0).Rows(0).Item(0)

            Me.RadGridZugeteilt.DataBind()
            Me.RadGridFreiePlaetze.DataBind()
        Catch ex As Exception
        End Try

    End Sub

    Protected Sub Load_Admin()
        Me.SqlDataSource1.SelectCommand = "SELECT [KlasseNr], [Bezeichnung] FROM [Klasse] WHERE aktiv=1"
        Me.chkAlleSchuler.Visible = True
        Me.RadComboBox1.DataBind()
        Me.cbklasse.DataBind()
    End Sub
    Protected Sub RadComboBox1_SelectedIndexChanged(sender As Object, e As Telerik.Web.UI.RadComboBoxSelectedIndexChangedEventArgs) Handles RadComboBox1.SelectedIndexChanged

        Me.RadListBox1.DataBind()
        Try
            Me.RadListBox1.SelectedIndex = 0
            refresh_data(Me.RadListBox1.SelectedValue)
        Catch ex As Exception
            Me.txtname.Text = ""
            Me.txtvorname.Text = ""
            Me.txtBemerkung.Text = ""
        End Try
        get_Lehrername()
    End Sub

    Private Sub Get_Lehrername()

        Try
            Dim dh As New clsDatahandling
            Dim klassenr As Integer = Me.RadComboBox1.SelectedValue
            Dim ds1 As New DataSet
            ds1 = dh.Get_Tabledata("SELECT dbo.web_Lehrer.Name+' '+dbo.web_Lehrer.Vorname as Lehrername FROM dbo.Klasse INNER JOIN  dbo.web_Lehrer ON dbo.Klasse.Lehrernr = dbo.web_Lehrer.LehrerNr WHERE dbo.Klasse.KlasseNr = " + klassenr.ToString, False, True)
            Me.RadTextBox1.Text = ds1.Tables(0).Rows(0).Item(0)
        Catch ex As Exception
            RadTextBox1.Text = ""
        End Try
    End Sub

    Private Sub refresh_data(ByVal schuelernr As Integer)
        Dim dh As New clsDatahandling
        Dim ds As New DataSet

        ds = dh.Get_Tabledata("select * from schueler where schuelernr=" + schuelernr.ToString, False, True)
        Me.txtname.Text = ds.Tables(0).Rows(0).Item("name")
        Me.txtvorname.Text = ds.Tables(0).Rows(0).Item("vorname")
        Me.txtBemerkung.Text = ds.Tables(0).Rows(0).Item("bemerkung").ToString
        Me.chkaktiv.Checked = ds.Tables(0).Rows(0).Item("aktiv") = True
        Me.cbklasse.SelectedValue = ds.Tables(0).Rows(0).Item("Klassenr")
        Me.cbKlassentyp.SelectedValue = ds.Tables(0).Rows(0).Item("klassentyp")
        Me.RadGridSchuelerberuf.DataBind()
        selectentry(schuelernr)
        'Me.LblSchuelertyp.Text = "(" + Me.cbKlassentyp.Text + ")"
        Me.lblLehrer.Text = dh.Get_Lehrer(ds.Tables(0).Rows(0).Item("Klassenr"))
        Me.txtname.Focus()

    End Sub

    Protected Sub RadButton1_Click(sender As Object, e As EventArgs) Handles RadButton1.Click
        Dim i As Integer
        i = Me.RadListBox1.SelectedValue
        Dim dh As New clsDatahandling
        dh.UpdateTable("schueler", "Name", Me.txtname.Text, True, "schuelernr", Me.RadListBox1.SelectedValue)
        dh.UpdateTable("schueler", "VorName", Me.txtvorname.Text, True, "schuelernr", Me.RadListBox1.SelectedValue)
        dh.UpdateTable("schueler", "bemerkung", Me.txtBemerkung.Text, True, "schuelernr", Me.RadListBox1.SelectedValue)
        If Me.chkaktiv.Checked = True Then
            dh.UpdateTable("schueler", "Aktiv", 1, False, "schuelernr", Me.RadListBox1.SelectedValue)
        Else
            dh.UpdateTable("schueler", "Aktiv", 0, False, "schuelernr", Me.RadListBox1.SelectedValue)
        End If
        dh.UpdateTable("schueler", "klassenr", Me.cbklasse.SelectedValue, False, "schuelernr", Me.RadListBox1.SelectedValue)
        dh.UpdateTable("schueler", "klassentyp", Me.cbKlassentyp.SelectedValue, False, "schuelernr", Me.RadListBox1.SelectedValue)
        Me.Refresh_RadListBox1()
        'Me.RadListBox1.DataBind()
        Try
            'Me.RadListBox1.SelectedIndex = i
            refresh_data(i)
        Catch ex As Exception
            Try
                Me.RadListBox1.SelectedIndex = 0
                refresh_data(Me.RadListBox1.SelectedValue)
            Catch ex1 As Exception
            End Try
        End Try
    End Sub


    Private Sub RadListBox1_SelectedIndexChanged(sender As Object, e As System.EventArgs) Handles RadListBox1.SelectedIndexChanged
        refresh_data(Me.RadListBox1.SelectedValue.ToString)

    End Sub


    Protected Sub btnInsertBeruf_Click(sender As Object, e As EventArgs) Handles btnInsertBeruf.Click

        Dim errormessage As String = ""
        errormessage = Validate_Form()
        If errormessage <> "" Then
            Showmessage(1, errormessage)
            Exit Sub
        End If

        Dim dh As New clsDatahandling
        Try
            If Me.txtBerufnr.Text <> "" Then Me.cbBeruf.SelectedValue = Me.txtBerufnr.Text
        Catch ex As Exception
            'Me.C1Dialog1.Visible = True
            Exit Sub
        End Try

        Dim key As Integer = dh.Insert_new_record("Schuelerberuf", "Schuelerberufnr")
        Dim prio As Integer = dh.Get_Last_Schulerberuf_Priority_By_Schuler(Me.RadListBox1.SelectedValue)
        dh.UpdateTable("Schuelerberuf", "Schuelernr", Me.RadListBox1.SelectedValue, False, "Schuelerberufnr", key)
        dh.UpdateTable("Schuelerberuf", "Berufnr", Me.cbBeruf.SelectedValue, False, "Schuelerberufnr", key)
        dh.UpdateTable("Schuelerberuf", "Prioritaet", prio, False, "Schuelerberufnr", key)
        If Me.txtBerufnr.Text <> "" Then
            Me.txtBerufnr.Text = ""
            Me.txtBerufnr.Focus()
        End If
        Me.RadGridSchuelerberuf.DataBind()
    End Sub

    Private Function Validate_Form() As String
        Dim s As String = ""
        If Me.RadListBox1.SelectedValue Is System.DBNull.Value Then
            If s <> "" Then s = s + "<br/>"
            s = s + "- Es wurde kein Schüler ausgewählt"
        End If
        If Me.RadListBox1.SelectedValue = "" Then
            If s <> "" Then s = s + "<br/>"
            s = s + "- Es wurde kein Schüler ausgewählt"
        End If
        Try
            If Me.txtBerufnr.Text <> "" Then

                Me.cbBeruf.SelectedValue = Me.txtBerufnr.Text
                If Me.cbBeruf.SelectedValue <> Me.txtBerufnr.Text Then
                    If s <> "" Then s = s + "<br/>"
                    s = s + "- Die eingegebene Berufsnummer ist ungültig"
                End If

            End If
        Catch ex As Exception
            If s <> "" Then s = s + "<br/>"
            s = s + "- Die eingegebene Berufsnummer ist ungültig"
        End Try
        If s <> "" Then s = "Folgende Fehler sind vorhanden:" + "<br/>" + s
        Return s
    End Function

    Protected Sub RadButton2_Click(sender As Object, e As EventArgs) Handles btnneuerschueler.Click
        Dim dh As New clsDatahandling
        Dim i As Integer
        i = dh.Insert_Schueler(Me.RadComboBox1.SelectedValue, Me.cbKlassentyp.SelectedValue)
        If i > -1 Then
            Me.RadListBox1.DataBind()
            Me.refresh_data(i)
        End If
    End Sub

    Protected Sub selectentry(ByVal nr As Integer)
        Dim isselected As Boolean = False
        For Each item As RadListBoxItem In Me.RadListBox1.Items
            item.Selected = False
        Next
        For Each item As RadListBoxItem In Me.RadListBox1.Items
            If item.Value = nr Then
                item.Selected = True
                isselected = True
            End If
        Next
        If Not isselected Then Me.RadListBox1.SelectedIndex = 0

    End Sub



    Private Sub Showmessage(ByVal typ As Integer, ByVal meldung As String)
        Dim newwindow As New Telerik.Web.UI.RadWindow
        Session.Item("ErrorMessage") = meldung
        newwindow.NavigateUrl = "~/UserControls/Dialogbox.aspx?type=" + typ.ToString
        newwindow.ID = "RadWindow2"
        newwindow.Skin = "Default"
        newwindow.VisibleOnPageLoad = True
        newwindow.AutoSize = True
        RadWindowManager1.Windows.Clear()
        RadWindowManager1.Windows.Add(newwindow)
    End Sub

    Protected Sub chkAlleSchuler_CheckedChanged(sender As Object, e As EventArgs) Handles chkAlleSchuler.CheckedChanged
        Refresh_RadListBox1()
    End Sub

    Protected Sub Refresh_RadListBox1()
        If chkAlleSchuler.Checked = True Then
            Me.SqlDataSource2.SelectCommand = "select Schuelernr, name+' '+vorname as Schuelername from schueler where aktiv=1  order by name, vorname"
        Else
            Me.SqlDataSource2.SelectCommand = "select Schuelernr, name+' '+vorname as Schuelername from schueler where aktiv=1 and klassenr=@klassenr order by name, vorname"
        End If
        Me.RadListBox1.DataBind()

    End Sub



    Protected Sub RadMenu1_ItemClick(ByVal sender As Object, ByVal e As RadMenuEventArgs) Handles RadMenu1.ItemClick
        Try
            Dim radGridClickedRowIndex As Integer
            Dim SchuelerBerufRowIndex As Integer
            radGridClickedRowIndex = Convert.ToInt32(Request.Form("radGridClickedRowIndex"))
            SchuelerBerufRowIndex = Convert.ToInt32(Request.Form("SchuelerBeruf"))
            Select Case e.Item.Text
                Case "Zuteilen"
                    Dim schuelerberufnr As Integer = Me.RadGridSchuelerberuf.MasterTableView.DataKeyValues(SchuelerBerufRowIndex).Item("SchuelerBerufNr")
                    Dim firmaberufnr As Integer = Me.RadGridFreiePlaetze.MasterTableView.DataKeyValues(radGridClickedRowIndex).Item("FirmaBerufNr")
                    Dim dh As New clsDatahandling
                    dh.Insert_Zuteilung(schuelerberufnr, firmaberufnr, Session("Userid"))
                    Me.RadGridZuteilung.DataBind()
                    Me.RadGridFreiePlaetze.DataBind()
            End Select
        Catch ex As Exception
        End Try

    End Sub 'RadMenu1_ItemClick 

    Private Sub RadGridZuteilung_ItemDeleted(sender As Object, e As Telerik.Web.UI.GridDeletedEventArgs) Handles RadGridZuteilung.ItemDeleted
        Me.RadGridFreiePlaetze.DataBind()
        Me.RadGridZugeteilt.DataBind()
    End Sub

    Protected Sub cbBeruf_SelectedIndexChanged(sender As Object, e As Telerik.Web.UI.RadComboBoxSelectedIndexChangedEventArgs) Handles cbBeruf.SelectedIndexChanged
        Me.txtBerufnr.Text = ""
    End Sub


    Protected Sub RadComboBox2_SelectedIndexChanged(sender As Object, e As RadComboBoxSelectedIndexChangedEventArgs) Handles RadComboBox2.SelectedIndexChanged
        Me.RadListBox1.SelectedValue = Me.RadComboBox2.SelectedValue
        'RadListBox1_SelectedIndexChanged(sender, e)
        refresh_data(Me.RadComboBox2.SelectedValue.ToString)
    End Sub

    Protected Sub RadButton2_Click1(sender As Object, e As EventArgs) Handles RadButton2.Click
        Session("Schuelernr") = Me.RadListBox1.SelectedValue
        Session("RedirPath") = HttpContext.Current.Request.Url.AbsoluteUri
        Response.Redirect("~/administration/schuelerreport.aspx")
    End Sub
End Class