BWPM/BlazorApp/Pages/Admin/Student/Student.razor

@page "/Admin/Student/Student"
@inject Blazored.SessionStorage.ISessionStorageService sessionStorage
@inject IJSRuntime jsRuntime
@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 Syncfusion.Blazor.DropDowns
@using BlazorApp.Helper
@using BWPMModels;

<div class="container-fluid">
    <div class="card">
        <h6 class="card-header card-header2">Schüler / Berufswunsch</h6>
        <div class="card-body">
            <div class="row">
                <div class="col-md-2">
                    <div class="card">
                        <h6 class="card-header">
                            Klasse/Lehrer
                        </h6>
                        <div class="card-body">
                            Klasse
                            <BlazorApp.Pages.Shared.KlasseList @ref="KlasseList" OnKlasseChanged="KlasseChanged"></BlazorApp.Pages.Shared.KlasseList>
                            Lehrer
                            <BlazorApp.Pages.Shared.LehrerList @ref="LehrerList" OnLehrerChanged="LehrerChanged"></BlazorApp.Pages.Shared.LehrerList>
                            <SfCheckBox Label="Alle Schüler" @bind-Checked="alleschueler" @onchange="onAlleSchuelerChange"> ></SfCheckBox>
                        </div>
                    </div>
                    <br />
                    <div class="card">
                        <h6 class="card-header">
                            Schüler
                            <input type="hidden" @bind="UID">
                        </h6>
                        <div class="card-body">
                            <BlazorApp.Pages.Shared.SchuelerList @ref="SchuelerList" OnSchuelerChanged="SchuelerChanged"></BlazorApp.Pages.Shared.SchuelerList>

                        </div>
                    </div>
                </div>
                <div class="col-md-10">
                    <SfAccordion ExpandMode="ExpandMode.Multiple" @bind-ExpandedIndices=ExpandItems>
                        <AccordionItems>
                            <AccordionItem>
                                <HeaderTemplate><h4>Schüler-Daten</h4></HeaderTemplate>
                                <ContentTemplate>
                                    <StudentEdit @ref="StudentEdit" iSchuelerID="@ISchuelerID"></StudentEdit>

                                </ContentTemplate>
                            </AccordionItem>
                            <AccordionItem>
                                <HeaderTemplate><h4>Berufswünsche</h4></HeaderTemplate>
                                <ContentTemplate>
                                    <Berufswunsch @ref="Berufswunsch"></Berufswunsch>
                                </ContentTemplate>
                            </AccordionItem>
                            <AccordionItem>
                                <HeaderTemplate><h4>Zuteilung</h4></HeaderTemplate>
                                <ContentTemplate>
                                    <div class="row">
                                        <div class="col-sm-4">
                                            <h6>Berufswahl</h6>
                                            <BlazorApp.Pages.Shared.BerufswunschListe AllowUpdates="false" @ref="BerufswunschListe" OnGridClicked="Refresh_OP"></BlazorApp.Pages.Shared.BerufswunschListe>
                                        </div>
                                        <div class="col-md-8">
                                            <h6>Zuteilungen</h6>
                                            <BlazorApp.Pages.Admin.Student.Zuteilung @ref="Zuteilung" OnGridClicked="OnGridClicked1"></BlazorApp.Pages.Admin.Student.Zuteilung>
                                            <br />
                                            <h6>Offene Plätze</h6>
                                            <BlazorApp.Pages.Shared.OffenePlaetze @ref="OP" OnGridChanged="OnGridClicked1"></BlazorApp.Pages.Shared.OffenePlaetze>
                                        </div>
                                    </div>
                                </ContentTemplate>
                            </AccordionItem>
                        </AccordionItems>
                    </SfAccordion>



                </div>
            </div>
        </div>
    </div>
</div>

@code {
    BlazorApp.Pages.Shared.KlasseList KlasseList { get; set; }
    BlazorApp.Pages.Shared.LehrerList LehrerList { get; set; }
    BlazorApp.Pages.Shared.SchuelerList SchuelerList { get; set; }
    BlazorApp.Pages.Admin.Student.StudentEdit StudentEdit { get; set; }
    BlazorApp.Pages.Admin.Student.Berufswunsch Berufswunsch { get; set; }
    BlazorApp.Pages.Shared.BerufswunschListe BerufswunschListe { get; set; }
    BlazorApp.Pages.Admin.Student.Zuteilung Zuteilung { get; set; }
    BlazorApp.Pages.Shared.OffenePlaetze OP { get; set; }
    public int[] ExpandItems = new int[] { 0 };
    public bool alleschueler = false;

    public string userid = "";
    public string UID = "";
    public string lehrerID = "";
    public string klasseID = "";
    public string ISchuelerID = "";
    public string sBerufid = "";
    #region "Init / AfterRender"

    private void onAlleSchuelerChange(Microsoft.AspNetCore.Components.ChangeEventArgs args)
    {
        if (args.Value.ToString() == "True") 
        { SchuelerList.ReloadData("-1"); }
        else
        {
            KlasseChanged(KlasseList.GetKlasseID());
        }
    }

    protected override async Task OnInitializedAsync()
    {

        ExpandItems = new int[] { 1 };
        userid = await sessionStorage.GetItemAsync<string>("UserID");
        UID = userid;
        klasseID = KlasseList.GetKlasseID();
        lehrerID = LehrerList.GetLehrerID();

        SchuelerChanged(SchuelerList.ReloadData(KlasseList.GetKlasseID()));
        ExpandItems = new int[] { 2 };
        SchuelerChanged(SchuelerList.ReloadData(KlasseList.GetKlasseID()));
        ExpandItems = new int[] { 2 };
    }

    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);
            }
            else
            {
                await sessionStorage.SetItemAsync("UserID", userId);
            }
        }

    }

    public void KlasseChanged(String KlasseID)
    {
        SchuelerChanged(SchuelerList.ReloadData(KlasseID));
    }
    public void LehrerChanged(string LehrerID)
    {
        KlasseList.ReloadByLehrer(LehrerID);
        SchuelerChanged(SchuelerList.ReloadData(KlasseList.GetKlasseID()));
    }
    public void SchuelerChanged(string SchuelerID)
    {
        ISchuelerID = SchuelerID;
        try { StudentEdit.ReloadData(SchuelerID); } catch { };
        try
        {
            Berufswunsch.SchuelerID = Convert.ToInt32(SchuelerID);
            Berufswunsch.userid = userid;
            Berufswunsch.SchuelerID = Convert.ToInt32(SchuelerID);
            Berufswunsch.ReloadData(SchuelerID);
            BerufswunschListe.ReloadData(Convert.ToInt32(SchuelerID));
            Zuteilung.userid = userid;
            Zuteilung.SchuelerID = Convert.ToInt32(SchuelerID);
            Zuteilung.ReloadData(Convert.ToInt32(SchuelerID));
            OP.SchuelerID = Convert.ToInt32(SchuelerID);
        }
        catch {
            int i =0;
        }
    }
    private void Refresh_OP(string Berufid)
    {
        int KlasseTypID = 0;
        sBerufid = Berufid;
        OP.ReloadData(Convert.ToInt32(Berufid), KlasseTypID);

    }
    private void OnGridClicked1(string Schuelerid)
    {
        Zuteilung.userid = userid;
        Zuteilung.SchuelerID = Convert.ToInt32(Schuelerid);
        Zuteilung.ReloadData(Convert.ToInt32(Schuelerid));

        int KlasseTypID = 0;
        OP.ReloadData(Convert.ToInt32(sBerufid), KlasseTypID);

    }

    private void OnGridClicked(string Schuelerid)
    {
        OP.SchuelerID = Convert.ToInt32(Schuelerid);
        int KlasseTypID = 0;
        OP.ReloadData(Convert.ToInt32(sBerufid), KlasseTypID);

    }
    #endregion

}