ant-design-blazor/components/layout/Sider.razor.cs

164 lines
4.7 KiB
C#

using System;
using System.Threading.Tasks;
using AntDesign.JsInterop;
using Microsoft.AspNetCore.Components;
namespace AntDesign
{
public partial class Sider
{
private static string _prefixCls = "ant-layout-sider";
[Parameter] public bool Collapsible { get; set; }
[Parameter] public RenderFragment ChildContent { get; set; }
/// <summary>
/// When Trigger is null, `OnCollapse` won't be invoked after `Collapsed` was changed.
/// </summary>
[Parameter] public RenderFragment Trigger { get; set; }
[Parameter] public bool NoTrigger { get; set; }
[CascadingParameter] public Layout Parent { get; set; }
[Parameter] public BreakpointType Breakpoint { get; set; }
[Parameter] public SiderTheme Theme { get; set; } = SiderTheme.Dark;
[Parameter] public int Width { get; set; } = 200;
[Parameter] public int CollapsedWidth { get; set; } = 80;
[Parameter]
public bool Collapsed
{
get => _isCollapsed;
set
{
if (_isCollapsed == value)
return;
_isCollapsed = value;
OnCollapsed?.Invoke(_isCollapsed);
}
}
[Parameter]
public EventCallback<bool> OnCollapse { get; set; }
[Parameter]
public EventCallback<bool> OnBreakpoint { get; set; }
[Inject] public DomEventService DomEventService { get; set; }
private int ComputedWidth => _isCollapsed ? CollapsedWidth : Width;
/// <summary>
/// param1: collapsed or not
/// param2: call inside sider or not
/// </summary>
public event Action<bool> OnCollapsed;
private bool _isCollapsed;
private bool _showTrigger;
private string SiderStyles =>
$"flex: 0 0 {ComputedWidth}px;" +
$"max-width: {ComputedWidth}px;" +
$"min-width: {ComputedWidth}px;" +
$"width: {ComputedWidth}px;" +
(_isCollapsed ? "overflow:initial;" : "");
private RenderFragment DefaultTrigger => builder =>
{
builder.OpenComponent<Icon>(1);
builder.AddAttribute(2, "Type", _isCollapsed ? "right" : "left");
builder.AddAttribute(3, "Theme", "outline");
builder.CloseComponent();
};
private void SetClass()
{
ClassMapper.Clear()
.Add(_prefixCls)
.If($"{_prefixCls}-dark", () => Theme == SiderTheme.Dark)
.If($"{_prefixCls}-light", () => Theme == SiderTheme.Light)
.If($"{_prefixCls}-has-trigger", () => Collapsible)
.If($"{_prefixCls}-collapsed", () => _isCollapsed)
.If($"{_prefixCls}-zero-width", () => CollapsedWidth == 0 && _isCollapsed);
}
protected override void OnInitialized()
{
base.OnInitialized();
Parent?.HasSider();
if (Trigger == null && !NoTrigger)
{
Trigger = DefaultTrigger;
}
SetClass();
}
protected override async Task OnAfterRenderAsync(bool firstRender)
{
await base.OnAfterRenderAsync(firstRender);
if (firstRender && Breakpoint != null)
{
var dimensions = await JsInvokeAsync<Window>(JSInteropConstants.GetWindow);
DomEventService.AddEventListener<Window>("window", "resize", OnResize, false);
OptimizeSize(dimensions.innerWidth);
}
}
private void OnResize(Window window)
{
OptimizeSize(window.innerWidth);
}
public void ToggleCollapsed()
{
_isCollapsed = !_isCollapsed;
OnCollapsed?.Invoke(_isCollapsed);
if (OnCollapse.HasDelegate)
{
OnCollapse.InvokeAsync(_isCollapsed);
}
}
private void OptimizeSize(decimal windowWidth)
{
if (windowWidth < Breakpoint?.Width)
{
_isCollapsed = true;
_showTrigger = true;
OnBreakpoint.InvokeAsync(true);
}
else
{
_showTrigger = false;
_isCollapsed = false;
}
OnCollapsed?.Invoke(_isCollapsed);
if (OnCollapse.HasDelegate)
{
OnCollapse.InvokeAsync(_isCollapsed);
}
StateHasChanged();
}
protected override void Dispose(bool disposing)
{
base.Dispose(disposing);
DomEventService.RemoveEventListerner<Window>("window", "resize", OnResize);
}
}
}