نمای درختی

@using BzCore.Components.Tree
@using BzCore.Components.Button
@using BzCore.Enums

<BzTreeView @ref="_tree" TItem="TreeNode" Items="_roots"
            TextSelector="@(n => n.Name)"
            ChildrenSelector="@(n => n.Children)"
            IconSelector="@(n => n.Icon)"
            MultiSelect="true">
    <NodeActions>
        @* context is the node this row renders *@
        <BzButton Size="BzSize.Small" Variant="BzButtonVariant.Text" IconOnly
                  StartIcon="fa-solid fa-pen"
                  OnClick="@(() => _msg = $"ویرایش: {context.Name}")" />
        <BzButton Size="BzSize.Small" Variant="BzButtonVariant.Text" IconOnly
                  StartIcon="fa-solid fa-trash" Color="BzColor.Danger"
                  OnClick="@(() => _msg = $"حذف: {context.Name}")" />
    </NodeActions>
</BzTreeView>

<BzButton Size="BzSize.Small" Text="باز کردن همه" Variant="BzButtonVariant.Soft"
          OnClick="@(() => _tree.ExpandAll())" />
<BzButton Size="BzSize.Small" Text="بستن همه" Variant="BzButtonVariant.Soft"
          OnClick="@(() => _tree.CollapseAll())" />
<BzButton Size="BzSize.Small" Text="انتخاب شده ها" OnClick="ShowSelected" />

@if (!string.IsNullOrEmpty(_msg)) { <p>@_msg</p> }

@code {
    private BzTreeView<TreeNode> _tree = default!;
    private string? _msg;

    // Your own model — the tree only needs the three selectors above.
    public class TreeNode
    {
        public string Name { get; set; } = "";
        public string? Icon { get; set; }
        public List<TreeNode> Children { get; set; } = new();
    }

    private List<TreeNode> _roots = new()
    {
        new TreeNode { Name = "فروش", Icon = "fa-solid fa-cart-shopping", Children =
        {
            new TreeNode { Name = "سفارش ها", Icon = "fa-solid fa-receipt" },
            new TreeNode { Name = "مشتری ها", Icon = "fa-solid fa-users", Children =
            {
                new TreeNode { Name = "حقیقی", Icon = "fa-solid fa-user" },
                new TreeNode { Name = "حقوقی", Icon = "fa-solid fa-building" },
            }},
        }},
        new TreeNode { Name = "انبار", Icon = "fa-solid fa-warehouse" },
    };

    private void ShowSelected()
    {
        var names = _tree.GetSelected().Select(n => n.Name);
        _msg = "انتخاب شده: " + string.Join("، ", names);
    }
}