BWPM/BlazorApp/Pages/Teacher/Teacher.razor

@page "/Teacher/TeacherContact"
@inject Blazored.SessionStorage.ISessionStorageService sessionStorage
@inject NavigationManager NavManager
@inherits Admin.ListBase;
@using System.ComponentModel.DataAnnotations
@using Syncfusion.Blazor.Grids;
@using Syncfusion.Blazor.Buttons;
@using Syncfusion.Blazor.Spinner;
@using Syncfusion.Blazor.Navigations;
@using Syncfusion.Blazor.Popups;
@using BlazorApp.Helper
@using BWPMModels;

<div class="control-section e-tab-section">

    <EditForm Model="_lehrer" OnValidSubmit="@Submit" OnInvalidSubmit="@InvalidSubmit">


        <DataAnnotationsValidator />
        <SfTab ID="BlazorTab" Height="390" @ref="Tab">
            <TabEvents Created="TabCreate"></TabEvents>
            <TabItems>
                <TabItem>
                    <ChildContent>
                        <TabHeader Text="Kontakt-Daten"></TabHeader>
                    </ChildContent>
                    <ContentTemplate>
                        <div class="row">
                            <div class="col-md-6">
                                <div class="card">

                                    <div class="card-body">
                                        <h5 class="card-title">Adress-Daten</h5>
                                        <form>
                                            <div class="form-group row">
                                                <label for="Anrede" class="col-2 col-form-label">Anrede</label>
                                                <div class="col-10">
                                                    <select id="Anrede" name="Anrede" class="form-control" @bind="@_lehrer.anredeID">
                                                        <option value="1">Herr</option>
                                                        <option value="2">Frau</option>
                                                        <option value="3">Damen und Herren</option>
                                                    </select>
                                                </div>
                                            </div>
                                            <div class="form-group row">
                                                <label for="nameZ1" class="col-2 col-form-label">Name</label>
                                                <div class="col-10">
                                                    <InputText id="namez1" class="form-control" @bind-Value="_lehrer.name" placeholder="Nachname" />
                                                    <ValidationMessage For="@(() => _lehrer.name)" />
                                                </div>
                                            </div>
                                            <div class="form-group row">
                                                <label for="nameZ2" class="col-2 col-form-label">Zusatz</label>
                                                <div class="col-10">
                                                    <InputText id="nameZ2" class="form-control" @bind-Value="@_lehrer.vorname" placeholder="vorname" />
                                                    <ValidationMessage For="@(() => _lehrer.vorname)" />
                                                </div>
                                            </div>
                                            <hr />
                                            <div class="form-group row">
                                                <label for="telefon" class="col-2 col-form-label">Telefon</label>
                                                <div class="col-10">
                                                    <InputText id="tel" class="form-control" @bind-Value="@_lehrer.tel" placeholder="Telefon-Nummer" />
                                                    <ValidationMessage For="@(() => _lehrer.tel)" />
                                                </div>
                                            </div>
                                            <div class="form-group row">
                                                <label for="handy" class="col-2 col-form-label">Mobile</label>
                                                <div class="col-10">
                                                    <InputText id="handy" class="form-control" @bind-Value="@_lehrer.handy" placeholder="Mobile-Nummer" />
                                                    <ValidationMessage For="@(() => _lehrer.handy)" />
                                                </div>
                                            </div>
                                            <div class="form-group row">
                                                <label for="email" class="col-2 col-form-label">E-Mail</label>
                                                <div class="col-10">
                                                    <InputText id="mail" class="form-control" @bind-Value="@_lehrer.email" placeholder="E-Mail" required="required" typeof="email" />
                                                    <ValidationMessage For="@(() => _lehrer.email)" />
                                                </div>
                                            </div>
                                            <div class="form-group row">
                                                <label for="Schulhaus" class="col-2 col-form-label">Schulhaus</label>
                                                <div class="col-10">
                                                    <select id="Schulhaus" name="Schulhaus" class="form-control" @bind="@_lehrer.schulhausID">
                                                        @foreach (var sh in _schulhaus)
                            {
                                                        <option value="@sh.ID">@sh.bezeichnung</option>
                                                        }
                                                    </select>
                                                </div>
                                            </div>
                                        </form>
                                    </div>
                                </div>
                                <div class="card">

                                    <div class="card-body">
                                        <SfButton IsPrimary="true" OnClick="@(() => SaveClick())">Speichern und weiter</SfButton>
                                    </div>
                                </div>
                            </div>

                        </div>

                    </ContentTemplate>
                </TabItem>
                <TabItem>
                    <ChildContent>
                        <TabHeader Text="Stammdaten"></TabHeader>
                    </ChildContent>
                    <ContentTemplate>

                        <div class="row">
                            <div class="col-md-6" id="TestCol">
                                <div class="card">
                                    <div class="card-body">
                                        <h5 class="card-title">Klassen und Klassengrösse</h5>
                                        <div class="col-lg-12 control-section">
                                            <div class="content-wrapper">
                                                <div class="row">
                                                    <SfGrid @bind-Visible="@ShowErrorDialog_grid" DataSource="@GridData" @ref="Grid" AllowPaging="true" AllowSorting="true" Toolbar="@(new List<string>() { "Add", "Edit", "Update", "Cancel" })">
                                                        <GridPageSettings PageCount="5" PageSizes="true"></GridPageSettings>
                                                        <GridEditSettings AllowAdding="true" AllowDeleting="false" AllowEditing="true" Mode="EditMode.Dialog"></GridEditSettings>
                                                        <GridEvents OnActionBegin="OnBeginHandler" OnActionComplete="OnCompletedHandler" TValue="Klasse" OnDataBound="RowDataBoundHandler"></GridEvents>
                                                        <GridColumns>
                                                            <GridColumn Type="ColumnType.CheckBox" AllowFiltering="false" AllowSorting="false" Width="60"></GridColumn>

                                                            <GridColumn Field=@nameof(Klasse.ID) HeaderText="Id" IsPrimaryKey="true" AllowAdding="false" Width="60" Visible="true"></GridColumn>
                                                            <GridForeignColumn Field=@nameof(Klasse.schulhausID) HeaderText="Schulhaus" ForeignKeyValue="bezeichnung" ForeignKeyField="ID" ForeignDataSource="@_schulhaus" Width="150"></GridForeignColumn>
                                                            @*<GridColumn Field=@nameof(Klasse.schulhausID) HeaderText="Schulhausid" Width="100" Visible="true"></GridColumn>*@

                                                            <GridColumn Field=@nameof(Klasse.bezeichnung) HeaderText="Bezeichnung" Width="100" Visible="true"></GridColumn>

                                                            <GridColumn Field=@nameof(Klasse.klassengroesse) HeaderText="Klassengrösse" Width="100" Visible="true"></GridColumn>

                                                            <GridColumn Field=@nameof(Klasse.aktiv) HeaderText="Aktiv" Width="100" Visible="false" DisplayAsCheckBox="true"></GridColumn>

                                                            <GridColumn Field=@nameof(Klasse.erstellt_am) HeaderText="Erstellt_am" Width="100" Visible="false" Format="d" Type="ColumnType.Date"></GridColumn>

                                                            <GridColumn Field=@nameof(Klasse.mutiert_am) HeaderText="Mutiert_am" Width="100" Visible="false" Format="d" Type="ColumnType.Date"></GridColumn>

                                                            <GridColumn Field=@nameof(Klasse.mutierer) HeaderText="Mutierer" Width="100" Visible="false"></GridColumn>


                                                            <GridColumn Field=@nameof(Klasse.lehrerID) HeaderText="Lehrerid" Width="100" Visible="false"></GridColumn>

                                                            <GridColumn Field=@nameof(Klasse.mandantnr) HeaderText="Mandantnr" Width="100" Visible="false"></GridColumn>
                                                        </GridColumns>
                                                    </SfGrid>

                                                    <form>
                                                    </form>
                                                    <div class="card">

                                                        <div class="card-body">
                                                            <SfButton IsPrimary="true" OnClick="@(() => WeiterClick())">Weiter zu Schülerdaten</SfButton>
                                                        </div>
                                                    </div>
                                                </div>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </ContentTemplate>

                </TabItem>
            </TabItems>
        </SfTab>


    </EditForm>
</div>
<SfDialog Width="250px" IsModal="true" @bind-Visible="@ShowErrorDialog">
    <DialogTemplates>
        <Header> Formmular unvollständig </Header>
        <Content> Bitte das Formular vollständig ausfüllen. </Content>

    </DialogTemplates>
    <DialogButtons>
        <DialogButton Content="OK" IsPrimary="true" OnClick="@CloseDialog" />
    </DialogButtons>
</SfDialog>



	@code {
    SfTab Tab;
    SfGrid<Klasse> Grid { get; set; }
    public int Value = 0;
    public List<BWPMModels.Klasse> GridData { get; set; }
    public List<BWPMModels.Klasse> Klasses { get; set; }
    public int foundrow = 0;
    public bool ContinuePaging = true;
    public bool InitialRender { get; set; }

    private List<BWPMModels.Schulhaus> _schulhaus { get; set; } = BlazorApp.Controller.SchulhausController.GetAllData();
    private Lehrer _lehrer { get; set; } = new BWPMModels.Lehrer();
    public List<BWPMModels.Lehrer> Lehrerdaten { get; set; }
    string userid = "";
    public static int? pkey { get; set; }
    public bool Initial { get; set; } = true;
    private bool ShowErrorDialog { get; set; } = false;
    private bool ShowErrorDialog_grid { get; set; } = false;

    public void Submit()
    {
        BlazorApp.Controller.LehrerController.PUT(_lehrer);
        Tab.EnableTab(1, true);
        Tab.Select(1);

    }
    public void InvalidSubmit()
    {
        Tab.EnableTab(1, false);
        Tab.Select(0);
        ShowErrorDialog = true;
    }
    private void CloseDialog()
    {
        this.ShowErrorDialog = false;
    }

    private void SaveClick()
    {
    }
     private void WeiterClick()
    {
        NavManager.NavigateTo("/Teacher/TeacherStudent");
    }

    protected override async void OnInitialized()
    {

    }

    public async Task TabCreate()
    {
        await Tab.EnableTab(1, false);
        @*await Tab.EnableTab(2, false);*@
        @*Tab.EnableTab(3, false);*@
    }
    public async Task SelectTrainBack()
    {
        await Tab.Select(0);
    }
    protected override async Task OnAfterRenderAsync(bool firstRender)
    {

        userid = await sessionStorage.GetItemAsync<string>("UserID");
        if (userid == null)
        {
            var authState = await authenticationStateTask;
            var userId = authState.User.Claims.FirstOrDefault().Value;
            var user = authState.User;

            if (user.Identity.IsAuthenticated)

            {
                await sessionStorage.SetItemAsync("UserID", userId);
                userid = userId;
            }
            else
            {
                await sessionStorage.SetItemAsync("UserID", userId);
                userid = userId;
            }
        }
        if (firstRender)
        {
            Lehrerdaten = BlazorApp.Controller.LehrerController.GetByUserID(userid);
            _lehrer = Lehrerdaten.First<BWPMModels.Lehrer>();
            GridData = BlazorApp.Controller.KlasseController.GetByLehrerID(_lehrer.ID);
            await sessionStorage.SetItemAsync("LehrerID", _lehrer.ID);
        }

    }

    private async Task OnBeginHandler(ActionEventArgs<BWPMModels.Klasse> Args)

    {

        @* try
            {
            if (_lehrer.ID == 0)
            {
            ShowErrorDialog_grid = true;
            return;
            }
            }
            catch
            {
            ShowErrorDialog_grid = true;
            return;
            }*@
        if (Args.RequestType == Syncfusion.Blazor.Grids.Action.Save)
        {
            if (Args.Action == "Add")
            {
                Args.Data.lehrerID = _lehrer.ID;
                Args.Data.erstellt_am = DateTime.Now;
                Args.Data.mutierer = userid;
                Args.Data.mutiert_am = DateTime.Now;
                Args.Data.aktiv = true;
                Args.Data.ID = BlazorApp.Controller.KlasseController.POST(Args.Data);
                Value = Args.Data.ID;
            }
            else
            {
                Args.Data.mutierer = userid.ToString();
                Args.Data.mutiert_am = DateTime.Now;
                BlazorApp.Controller.KlasseController.PUT(Args.Data);

                Value = Args.Data.ID;
                Grid.Refresh();

            }
        }
    }

    public async Task OnCompletedHandler(ActionEventArgs<BWPMModels.Klasse> Args)

    {
        if (Args.RequestType == Syncfusion.Blazor.Grids.Action.Save)
        {
            await Grid.SetRowData(Args.Data.ID, Args.Data);
            double xx = 0;
            Value = Args.Data.ID;
            xx = await DataHandler();
            await Grid.SelectRow(xx);

        }
    }

    public async void RowDataBoundHandler(BeforeDataBoundArgs<BWPMModels.Klasse> args)
    {
        if (!Initial)
        {
            //await Task.Delay(100);
            //var Idx = await this.Grid.GetRowIndexByPrimaryKey(Convert.ToDouble(Value));   //get index value
            //this.Grid.SelectRow(Convert.ToDouble(Idx));
        }
        Initial = false;
    }


    public async Task<double> DataHandler()
    {
        var PageCount = (GridData.Count / Grid.PageSettings.PageSize) + 1;
        ContinuePaging = true;
        var CurrentPage = 1;
        Grid.Refresh();
        await Grid.GoToPage(1);

        for (int i = 1; i <= PageCount; i++)

        {
            List<Klasse> Rows = await Grid.GetCurrentViewRecords(); // returns the current view data
            for (int j = 0; j < Grid.PageSettings.PageSize; j++)
            {
                if (j < Rows.Count && Rows[j].ID == Value)
                {
                    foundrow = j;

                    ContinuePaging = false; // prevent the default navigation
                    break;
                }
            }
            if (ContinuePaging)
            {
                if (i >= PageCount)
                {
                    i = 0;
                }
                await Grid.GoToPage(i + 1);

            }
            else
            {
                return foundrow;
            }
        }
        return foundrow;
    }
}