Files
DbFirst/DbFirst.BlazorWasm/Components/CatalogsGrid.razor
OlgunR 9bbe34dece Enhance grid filter UI with custom editors for each type
Replaced default filter row editors with custom templates in CatalogsGrid and MassDataGrid. Added DxTextBox for text fields, DxDateEdit for date fields, and a DxComboBox for boolean status filtering. Introduced BoolFilterOption class to support the status dropdown. These changes improve filter usability and data type handling.
2026-02-05 11:37:06 +01:00

403 lines
14 KiB
Plaintext

@using Microsoft.AspNetCore.Components.Forms
@inject CatalogApiClient Api
<style>
.action-panel { margin-bottom: 16px; }
.grid-section { margin-top: 12px; }
.catalog-grid .dxbl-grid-sort-asc,
.catalog-grid .dxbl-grid-sort-desc {
display: none;
}
.catalog-grid th.dxbl-grid-header-sortable {
position: relative;
padding-right: 1.5rem;
}
.catalog-grid th.dxbl-grid-header-sortable::before,
.catalog-grid th.dxbl-grid-header-sortable::after {
content: "";
position: absolute;
right: 0.45rem;
width: 0.7rem;
height: 0.7rem;
background-repeat: no-repeat;
background-size: 0.7rem 0.7rem;
opacity: 0.35;
pointer-events: none;
}
.catalog-grid th.dxbl-grid-header-sortable::before {
top: 38%;
background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.957 10.999a1 1 0 0 1-.821-1.571l2.633-3.785a1.5 1.5 0 0 1 2.462 0l2.633 3.785a1 1 0 0 1-.821 1.57H4.957Z' fill='%23888888'/%3E%3C/svg%3E");
}
.catalog-grid th.dxbl-grid-header-sortable::after {
top: 58%;
background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.957 5a1 1 0 0 0-.821 1.571l2.633 3.784a1.5 1.5 0 0 0 2.462 0l2.633-3.784A1 1 0 0 0 11.043 5H4.957Z' fill='%23888888'/%3E%3C/svg%3E");
}
.catalog-grid th.dxbl-grid-header-sortable[aria-sort="ascending"]::after {
opacity: 0;
}
.catalog-grid th.dxbl-grid-header-sortable[aria-sort="descending"]::before {
opacity: 0;
}
.catalog-grid .filter-search-input input {
padding-right: 1.75rem;
background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M9.309 10.016a4.5 4.5 0 1 1 .707-.707l3.838 3.837a.5.5 0 0 1-.708.708L9.31 10.016ZM10 6.5a3.5 3.5 0 1 0-7 0 3.5 3.5 0 0 0 7 0Z' fill='%23666666'/%3E%3C/svg%3E");
background-repeat: no-repeat;
background-position: right 0.5rem center;
background-size: 0.9rem;
}
.catalog-edit-popup {
min-width: 720px;
}
</style>
@if (!string.IsNullOrWhiteSpace(errorMessage))
{
<div class="alert alert-danger" role="alert">@errorMessage</div>
}
else if (!string.IsNullOrWhiteSpace(infoMessage))
{
<div class="alert alert-success" role="alert">@infoMessage</div>
}
@if (isLoading)
{
<p><em>Lade Daten...</em></p>
}
else if (items.Count == 0)
{
<p>Keine Einträge vorhanden.</p>
}
else
{
<div class="grid-section">
<DxGrid Data="@items"
TItem="CatalogReadDto"
KeyFieldName="@nameof(CatalogReadDto.Guid)"
ShowFilterRow="true"
PageSize="10"
CssClass="mb-4 catalog-grid"
EditMode="GridEditMode.PopupEditForm"
PopupEditFormCssClass="catalog-edit-popup"
CustomizeEditModel="OnCustomizeEditModel"
EditModelSaving="OnEditModelSaving"
DataItemDeleting="OnDataItemDeleting">
<Columns>
<DxGridCommandColumn Width="120px" />
<DxGridDataColumn FieldName="@nameof(CatalogReadDto.Guid)" Caption="Id" Width="140px" SortIndex="0" SortOrder="GridColumnSortOrder.Ascending">
<FilterRowCellTemplate Context="filter">
<DxTextBox Text="@(filter.FilterRowValue?.ToString())"
TextChanged="@(value => filter.FilterRowValue = value)"
CssClass="filter-search-input" />
</FilterRowCellTemplate>
</DxGridDataColumn>
<DxGridDataColumn FieldName="@nameof(CatalogReadDto.CatTitle)" Caption="Titel">
<FilterRowCellTemplate Context="filter">
<DxTextBox Text="@(filter.FilterRowValue as string)"
TextChanged="@(value => filter.FilterRowValue = value)"
CssClass="filter-search-input" />
</FilterRowCellTemplate>
</DxGridDataColumn>
<DxGridDataColumn FieldName="@nameof(CatalogReadDto.CatString)" Caption="String">
<FilterRowCellTemplate Context="filter">
<DxTextBox Text="@(filter.FilterRowValue as string)"
TextChanged="@(value => filter.FilterRowValue = value)"
CssClass="filter-search-input" />
</FilterRowCellTemplate>
</DxGridDataColumn>
<DxGridDataColumn FieldName="@nameof(CatalogReadDto.AddedWho)" Caption="Angelegt von" ReadOnly="true">
<FilterRowCellTemplate Context="filter">
<DxTextBox Text="@(filter.FilterRowValue as string)"
TextChanged="@(value => filter.FilterRowValue = value)"
CssClass="filter-search-input" />
</FilterRowCellTemplate>
</DxGridDataColumn>
<DxGridDataColumn FieldName="@nameof(CatalogReadDto.AddedWhen)" Caption="Angelegt am" ReadOnly="true">
<FilterRowCellTemplate Context="filter">
<DxDateEdit Date="@((DateTime?)filter.FilterRowValue)"
DateChanged="@((DateTime? value) => filter.FilterRowValue = value)"
Width="100%" />
</FilterRowCellTemplate>
</DxGridDataColumn>
<DxGridDataColumn FieldName="@nameof(CatalogReadDto.ChangedWho)" Caption="Geändert von" ReadOnly="true">
<FilterRowCellTemplate Context="filter">
<DxTextBox Text="@(filter.FilterRowValue as string)"
TextChanged="@(value => filter.FilterRowValue = value)"
CssClass="filter-search-input" />
</FilterRowCellTemplate>
</DxGridDataColumn>
<DxGridDataColumn FieldName="@nameof(CatalogReadDto.ChangedWhen)" Caption="Geändert am" ReadOnly="true">
<FilterRowCellTemplate Context="filter">
<DxDateEdit Date="@((DateTime?)filter.FilterRowValue)"
DateChanged="@((DateTime? value) => filter.FilterRowValue = value)"
Width="100%" />
</FilterRowCellTemplate>
</DxGridDataColumn>
</Columns>
<EditFormTemplate Context="editFormContext">
@{ SetEditContext(editFormContext.EditContext); var editModel = (CatalogEditModel)editFormContext.EditModel; }
<DxFormLayout ColCount="2">
<DxFormLayoutItem Caption="Titel">
<DxTextBox @bind-Text="editModel.CatTitle"
@bind-Text:after="OnTitleChanged"
BindValueMode="BindValueMode.OnInput"
Width="100%" />
</DxFormLayoutItem>
<DxFormLayoutItem Caption="Kennung">
<DxTextBox @bind-Text="editModel.CatString" Width="100%" />
</DxFormLayoutItem>
<DxFormLayoutItem Caption="Update-Prozedur">
<DxComboBox Data="@procedureOptions"
TData="ProcedureOption"
TValue="int"
TextFieldName="Text"
ValueFieldName="Value"
@bind-Value="editModel.UpdateProcedure"
Width="100%" />
</DxFormLayoutItem>
<DxFormLayoutItem ColSpanMd="12">
<ValidationSummary />
</DxFormLayoutItem>
</DxFormLayout>
</EditFormTemplate>
</DxGrid>
</div>
}
@code {
private List<CatalogReadDto> items = new();
private bool isLoading;
private string? errorMessage;
private string? infoMessage;
private EditContext? editContext;
private ValidationMessageStore? validationMessageStore;
private readonly List<ProcedureOption> procedureOptions = new()
{
new() { Value = 0, Text = "PRTBMY_CATALOG_UPDATE" },
new() { Value = 1, Text = "PRTBMY_CATALOG_SAVE" }
};
protected override async Task OnInitializedAsync()
{
await LoadCatalogs();
}
private void SetEditContext(EditContext context)
{
if (editContext == context)
{
return;
}
if (editContext != null)
{
editContext.OnFieldChanged -= OnEditFieldChanged;
}
editContext = context;
validationMessageStore = new ValidationMessageStore(editContext);
editContext.OnFieldChanged += OnEditFieldChanged;
}
private void OnEditFieldChanged(object? sender, FieldChangedEventArgs e)
{
if (validationMessageStore == null || editContext == null)
{
return;
}
if (e.FieldIdentifier.FieldName == nameof(CatalogEditModel.UpdateProcedure))
{
validationMessageStore.Clear();
editContext.NotifyValidationStateChanged();
}
}
private void OnTitleChanged()
{
if (validationMessageStore == null || editContext == null)
{
return;
}
var field = new FieldIdentifier(editContext.Model, nameof(CatalogEditModel.CatTitle));
validationMessageStore.Clear(field);
editContext.NotifyValidationStateChanged();
}
private void OnCustomizeEditModel(GridCustomizeEditModelEventArgs e)
{
if (e.IsNew)
{
e.EditModel = new CatalogEditModel();
return;
}
var item = (CatalogReadDto)e.DataItem;
e.EditModel = new CatalogEditModel
{
Guid = item.Guid,
CatTitle = item.CatTitle,
CatString = item.CatString,
UpdateProcedure = 0,
OriginalCatTitle = item.CatTitle
};
}
private async Task LoadCatalogs()
{
isLoading = true;
errorMessage = null;
try
{
items = await Api.GetAllAsync();
}
catch (Exception ex)
{
errorMessage = $"Kataloge konnten nicht geladen werden: {ex.Message}";
}
finally
{
isLoading = false;
StateHasChanged();
}
}
private async Task OnEditModelSaving(GridEditModelSavingEventArgs e)
{
errorMessage = null;
infoMessage = null;
validationMessageStore?.Clear();
editContext?.NotifyValidationStateChanged();
var editModel = (CatalogEditModel)e.EditModel;
if (!ValidateEditModel(editModel, e.IsNew))
{
e.Cancel = true;
return;
}
var dto = new CatalogWriteDto
{
CatTitle = editModel.CatTitle,
CatString = editModel.CatString,
UpdateProcedure = editModel.UpdateProcedure
};
try
{
if (e.IsNew)
{
var created = await Api.CreateAsync(dto);
if (!created.Success || created.Value == null)
{
if (!string.IsNullOrWhiteSpace(created.Error))
{
AddValidationError(editModel, nameof(CatalogEditModel.CatTitle), created.Error);
}
else
{
errorMessage = "Anlegen fehlgeschlagen.";
}
e.Cancel = true;
return;
}
infoMessage = "Katalog angelegt.";
}
else
{
var updated = await Api.UpdateAsync(editModel.Guid, dto);
if (!updated.Success)
{
errorMessage = updated.Error ?? "Aktualisierung fehlgeschlagen.";
e.Cancel = true;
return;
}
infoMessage = "Katalog aktualisiert.";
}
await LoadCatalogs();
}
catch (Exception ex)
{
errorMessage = $"Fehler beim Speichern: {ex.Message}";
e.Cancel = true;
}
}
private void AddValidationError(CatalogEditModel editModel, string fieldName, string message)
{
if (editContext == null || validationMessageStore == null)
{
return;
}
var field = new FieldIdentifier(editModel, fieldName);
validationMessageStore.Add(field, message);
editContext.NotifyValidationStateChanged();
}
private bool ValidateEditModel(CatalogEditModel editModel, bool isNew)
{
if (isNew)
{
return true;
}
if (editModel.UpdateProcedure == 0 &&
!string.Equals(editModel.CatTitle, editModel.OriginalCatTitle, StringComparison.OrdinalIgnoreCase))
{
AddValidationError(editModel, nameof(CatalogEditModel.CatTitle), "Titel kann nicht geändert werden.");
return false;
}
return true;
}
private async Task OnDataItemDeleting(GridDataItemDeletingEventArgs e)
{
errorMessage = null;
infoMessage = null;
var item = (CatalogReadDto)e.DataItem;
try
{
var deleted = await Api.DeleteAsync(item.Guid);
if (!deleted.Success)
{
errorMessage = deleted.Error ?? "Löschen fehlgeschlagen.";
e.Cancel = true;
return;
}
infoMessage = "Katalog gelöscht.";
await LoadCatalogs();
}
catch (Exception ex)
{
errorMessage = $"Fehler beim Löschen: {ex.Message}";
e.Cancel = true;
}
}
private sealed class CatalogEditModel
{
public int Guid { get; set; }
public string CatTitle { get; set; } = string.Empty;
public string CatString { get; set; } = string.Empty;
public int UpdateProcedure { get; set; }
public string OriginalCatTitle { get; set; } = string.Empty;
}
private sealed class ProcedureOption
{
public int Value { get; set; }
public string Text { get; set; } = string.Empty;
}
}