Enterprise-level component library based on Bootstrap and Blazor
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Display detail line function

Used to display parent-child relationship table data

Set the detail row content by setting the DetailRowTemplate template

Demo

In the detail row, another field education of the binding row is displayed in the form of ordinary text

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Set the detail behavior sub-table data by setting the DetailRowTemplate template

Demo

Another Table component is nested in the detail row. Since each row must be associated with sub-table data, for performance reasons, this function adopts the lazy loading mode. , that is, after clicking the expand button, the nested Table is filled with data, and the ShowDetailRow callback delegate can control whether each row displays the detail row. In this example, the Complete attribute to control whether to display the detail line, you can test this function by turning the page

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Set the content of the detail row by setting the Height template after the header is fixed

Demo

In this example, after the header is fixed, the detail line function is enabled

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Set the detail row content by setting the DetailRowTemplate template

Demo

In this example, the Tab component is used in the detail row to split the data into two TabItem contents again to demonstrate the data splitting again

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Data source is DataTable

Demo
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@page "/tables/detail"

<h3>@LocalizerDetailRow["Title"]</h3>

<h4>@LocalizerDetailRow["Desc"]</h4>

<DemoBlock Title="@LocalizerDetailRow["DetailRowTemplateTitle"]" Introduction="@LocalizerDetailRow["DetailRowTemplateIntro"]" Name="IsDetails">
    <p>@((MarkupString)LocalizerDetailRow["DetailRowTemplateP"].Value)</p>
    <Table TItem="Foo" @ref="@Table"
           IsPagination="true" PageItemsSource="@PageItemsSource"
           IsStriped="true" IsBordered="true" IsDetails="IsDetails"
           ShowToolbar="true" ShowDefaultButtons="false" ShowRefresh="false" OnDoubleClickRowCallback="OnDoubleClickRowCallback()!"
           OnQueryAsync="@OnQueryAsync">
        <TableColumns>
            <TableColumn @bind-Field="@context.DateTime" Width="180" />
            <TableColumn @bind-Field="@context.Name" Width="100" />
            <TableColumn @bind-Field="@context.Address" />
            <TableColumn @bind-Field="@context.Count" />
        </TableColumns>
        <DetailRowTemplate>
            <div>@LocalizerDetailRow["EducationText"] @typeof(EnumEducation).ToDescriptionString(context.Education.ToString())</div>
        </DetailRowTemplate>
    </Table>

    <Button Text="@DetailText" OnClick="OnClickDetailRow" class="mt-3"></Button>
</DemoBlock>

<DemoBlock Title="@LocalizerDetailRow["DetailRowTemplate2Title"]" Introduction="@LocalizerDetailRow["DetailRowTemplate2Intro"]" Name="ShowDetailRow">
    <p>@((MarkupString)LocalizerDetailRow["DetailRowTemplate2P"].Value)</p>
    <Table TItem="Foo"
           IsPagination="true" PageItemsSource="@PageItemsSource"
           IsStriped="true" IsBordered="true"
           ShowToolbar="true" ShowDefaultButtons="false"
           OnQueryAsync="@OnQueryAsync" ShowDetailRow="ShowDetailRow">
        <TableColumns>
            <TableColumn @bind-Field="@context.DateTime" Width="180" />
            <TableColumn @bind-Field="@context.Name" Width="100" />
            <TableColumn @bind-Field="@context.Address" />
            <TableColumn @bind-Field="@context.Count" />
        </TableColumns>
        <DetailRowTemplate>
            @{
                // 此段代码为提高性能
                var cacheKey = context.Name ?? "";
                var DetailDataSource = Enumerable.Empty<DetailRow>();
                if (Cache.ContainsKey(cacheKey))
                {
                    DetailDataSource = Cache[cacheKey];
                }
                else
                {
                    DetailDataSource = GetDetailRowsByName(cacheKey).ToList();
                    Cache.Add(cacheKey, DetailDataSource);
                }
            }
            <Table TItem="DetailRow" IsBordered="true" ShowToolbar="false" Items="@DetailDataSource">
                <TableColumns Context="Detail">
                    <TableColumn @bind-Field="@Detail.Name" />
                    <TableColumn @bind-Field="@Detail.DateTime" Width="180" />
                    <TableColumn @bind-Field="@Detail.Complete" Width="70" />
                </TableColumns>
            </Table>
        </DetailRowTemplate>
    </Table>
</DemoBlock>

<DemoBlock Title="@LocalizerDetailRow["HeightTitle"]" Introduction="@LocalizerDetailRow["HeightIntro"]" Name="Height">
    <p>@LocalizerDetailRow["HeightP"]</p>
    <Table TItem="Foo" Height="400" IsFixedHeader="true"
           IsStriped="true" IsBordered="true"
           ShowToolbar="true" ShowDefaultButtons="false"
           OnQueryAsync="@OnQueryAsync">
        <TableColumns>
            <TableColumn @bind-Field="@context.DateTime" Width="180" />
            <TableColumn @bind-Field="@context.Name" Width="100" />
            <TableColumn @bind-Field="@context.Address" />
            <TableColumn @bind-Field="@context.Count" />
        </TableColumns>
        <DetailRowTemplate>
            <div>@LocalizerDetailRow["EducationText"] @typeof(EnumEducation).ToDescriptionString(context.Education.ToString())</div>
        </DetailRowTemplate>
    </Table>
</DemoBlock>

<DemoBlock Title="@LocalizerDetailRow["DetailRowTemplate3Title"]" Introduction="@LocalizerDetailRow["DetailRowTemplate3Intro"]" Name="DetailRowTemplate3">
    <p>@((MarkupString)LocalizerDetailRow["DetailRowTemplate3P"].Value)</p>
    <Table TItem="Foo" IsPagination="true" PageItemsSource="@PageItemsSource"
           IsStriped="true" IsBordered="true"
           ShowToolbar="true" ShowDefaultButtons="false"
           OnQueryAsync="@OnQueryAsync">
        <TableColumns>
            <TableColumn @bind-Field="@context.DateTime" Width="180" />
            <TableColumn @bind-Field="@context.Name" Width="100" />
            <TableColumn @bind-Field="@context.Address" />
            <TableColumn @bind-Field="@context.Count" />
        </TableColumns>
        <DetailRowTemplate>
            <Tab>
                <TabItem Text="明细数据">
                    @{
                        // 此段代码为提高性能
                        var cacheKey = context.Name ?? "";
                        var DetailDataSource = Enumerable.Empty<DetailRow>();
                        if (Cache.ContainsKey(cacheKey))
                        {
                            DetailDataSource = Cache[cacheKey];
                        }
                        else
                        {
                            DetailDataSource = GetDetailRowsByName(cacheKey).ToList();
                            Cache.Add(cacheKey, DetailDataSource);
                        }
                    }
                    <Table TItem="DetailRow" IsBordered="true" ShowToolbar="false" Items="@DetailDataSource" AutoGenerateColumns="true" />
                </TabItem>
                <TabItem Text="@LocalizerDetailRow["TabItemText"]">
                    <div>@LocalizerDetailRow["EducationText"] @typeof(EnumEducation).ToDescriptionString(context.Education.ToString())</div>
                </TabItem>
            </Tab>
        </DetailRowTemplate>
    </Table>
</DemoBlock>

<DemoBlock Title="@LocalizerDetailRow["DynamicTitle"]" Introduction="@LocalizerDetailRow["DynamicIntro"]" Name="Excel">
    <Table TItem="DynamicObject" DynamicContext="DataTableDynamicContext"
           IsStriped="true" IsBordered="true" IsExcel="true"
           ShowToolbar="true" ShowDefaultButtons="false">
        <DetailRowTemplate>
            @{
                var detailContext = GetDetailDataTableDynamicContext(context);
            }
            <div class="p-2 w-100">
                <Table TItem="DynamicObject" DynamicContext="detailContext" IsStriped="true" IsBordered="true" IsExcel="true">
                </Table>
            </div>
        </DetailRowTemplate>
    </Table>
</DemoBlock>
// Copyright (c) Argo Zhang (argo@163.com). All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
// Website: https://www.blazor.zone or https://argozhang.github.io/

using BootstrapBlazor.Components;
using BootstrapBlazor.Shared.Services;
using Microsoft.AspNetCore.Components;
using Microsoft.Extensions.Localization;
using System.ComponentModel;

namespace BootstrapBlazor.Shared.Samples.Table;

/// <summary>
/// 
/// </summary>
public sealed partial class TablesDetailRow
{
    private Dictionary<string, IEnumerable<DetailRow>> Cache { get; } = new();

    private static readonly Random random = new();

    private static IEnumerable<int> PageItemsSource => new int[] { 4, 10, 20 };

    [NotNull]
    private List<Foo>? Items { get; set; }

    [Inject]
    [NotNull]
    private IStringLocalizer<Foo>? Localizer { get; set; }

    [Inject]
    [NotNull]
    private IStringLocalizer<TablesDetailRow>? LocalizerDetailRow { get; set; }

    [NotNull]
    private string? DetailText { get; set; }

    [Inject]
    [NotNull]
    private MockDataTableDynamicService? DataTableDynamicService { get; set; }

    [NotNull]
    private Table<Foo>? Table { get; set; }

    private DataTableDynamicContext? DataTableDynamicContext { get; set; }

    /// <summary>
    /// OnInitialized 方法
    /// </summary>
    protected override void OnInitialized()
    {
        base.OnInitialized();

        DetailText ??= LocalizerDetailRow[$"{nameof(DetailText)}{!IsDetails}"];
        Items = Foo.GenerateFoo(Localizer);
        DataTableDynamicContext = DataTableDynamicService.CreateContext();
    }

    private static IEnumerable<DetailRow> GetDetailRowsByName(string name) => Enumerable.Range(1, 4).Select(i => new DetailRow()
    {
        Id = i,
        Name = name,
        DateTime = DateTime.Now.AddDays(i - 1),
        Complete = random.Next(1, 100) > 50
    });

    private Func<Foo, Task>? OnDoubleClickRowCallback()
    {
        Func<Foo, Task>? ret = null;
        if (IsDetails)
        {
            ret = foo =>
            {
                Table.ExpandDetailRow(foo);
                return Task.CompletedTask;
            };
        }
        return ret;
    }

    private Task<QueryData<Foo>> OnQueryAsync(QueryPageOptions options)
    {
        IEnumerable<Foo> items = Items;

        // 设置记录总数
        var total = items.Count();

        // 内存分页
        items = items.Skip((options.PageIndex - 1) * options.PageItems).Take(options.PageItems).ToList();

        return Task.FromResult(new QueryData<Foo>()
        {
            Items = items,
            TotalCount = total
        });
    }

    private bool IsDetails { get; set; } = true;

    private void OnClickDetailRow()
    {
        DetailText = LocalizerDetailRow[$"{nameof(DetailText)}{IsDetails}"];
        IsDetails = !IsDetails;
    }

    private class DetailRow
    {
        /// <summary>
        /// 
        /// </summary>
        [DisplayName("主键")]
        public int Id { get; set; }

        /// <summary>
        /// 
        /// </summary>
        [DisplayName("培训课程")]
        [AutoGenerateColumn(Order = 10)]
        public string Name { get; set; } = "";

        /// <summary>
        /// 
        /// </summary>
        [DisplayName("日期")]
        [AutoGenerateColumn(Order = 20, Width = 180)]
        public DateTime DateTime { get; set; }

        /// <summary>
        /// 
        /// </summary>
        [DisplayName("是/否")]
        [AutoGenerateColumn(Order = 30, Width = 70)]
        public bool Complete { get; set; }
    }

    private static bool ShowDetailRow(Foo item) => item.Complete;

    private DynamicObjectContext GetDetailDataTableDynamicContext(DynamicObject context) => DataTableDynamicService.CreateDetailContext(context);
}

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