ant-design-blazor/components/upload/UploadButton.razor.cs
Noah Potash 9925cf288b feat(module: upload): add method parameter (#1853)
* add method parameter to upload component
* update documentation
* add test

Co-authored-by: Noah Potash <noah.potash@outbreaklabs.com>
2021-08-21 01:25:38 +08:00

238 lines
7.7 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Components;
using Microsoft.JSInterop;
namespace AntDesign.Internal
{
public partial class UploadButton : AntDomComponentBase
{
[CascadingParameter]
public Upload Upload { get; set; }
[Parameter]
public RenderFragment ChildContent { get; set; }
[Parameter]
public string ListType { get; set; }
[Parameter]
public bool ShowButton { get; set; }
[Parameter]
public string Name { get; set; }
[Parameter]
public bool Directory { get; set; }
[Parameter]
public bool Multiple { get; set; }
[Parameter]
public string Accept { get; set; }
[Parameter]
public Dictionary<string, object> Data { get; set; }
[Parameter]
public Dictionary<string, string> Headers { get; set; }
[Parameter]
public string Action { get; set; }
[Parameter]
public string Method { get; set; }
[Parameter]
public bool Disabled
{
get
{
return _disabled;
}
set
{
if (value != _disabled)
{
_disabled = value;
_ = InvokeAsync(() => ToggleDisabled());
}
}
}
[Inject]
public IJSRuntime JSRuntime { get; set; }
private ElementReference _file;
private ElementReference _btn;
private DotNetObjectReference<UploadButton> _currentInstance;
private string _fileId = Guid.NewGuid().ToString();
private bool _disabled;
private UploadInfo _uploadInfo = new UploadInfo();
protected override bool ShouldRender() => Upload != null;
protected override void OnInitialized()
{
_currentInstance = DotNetObjectReference.Create(this);
var prefixCls = "ant-upload";
ClassMapper
.Add(prefixCls)
.Get(() => $"{prefixCls}-select-{ListType}")
.If($"{prefixCls}-drag", () => Upload?.Drag == true)
.If($"{prefixCls}-drag-hover", () => Upload?._dragHover == true)
.Add($"{prefixCls}-select")
.If($"{prefixCls}-rtl", () => RTL);
}
protected override async Task OnAfterRenderAsync(bool firstRender)
{
if (firstRender && !Disabled && Upload?.Drag == false)
{
await JSRuntime.InvokeVoidAsync(JSInteropConstants.AddFileClickEventListener, _btn);
}
await base.OnAfterRenderAsync(firstRender);
}
private async Task ToggleDisabled()
{
if (Disabled)
{
await JSRuntime.InvokeVoidAsync(JSInteropConstants.RemoveFileClickEventListener, _btn);
}
else
{
await JSRuntime.InvokeVoidAsync(JSInteropConstants.AddFileClickEventListener, _btn);
}
}
private async Task FileNameChanged(ChangeEventArgs e)
{
var value = e.Value?.ToString();
if (string.IsNullOrWhiteSpace(value))
{
return;
}
var flist = await JSRuntime.InvokeAsync<List<UploadFileItem>>(JSInteropConstants.GetFileInfo, _file);
var index = 0;
if (Upload.BeforeAllUploadAsync != null && !(await Upload.BeforeAllUploadAsync.Invoke(flist)))
{
await JSRuntime.InvokeVoidAsync(JSInteropConstants.ClearFile, _file);
return;
}
if (Upload.BeforeAllUpload != null && !Upload.BeforeAllUpload.Invoke(flist))
{
await JSRuntime.InvokeVoidAsync(JSInteropConstants.ClearFile, _file);
return;
}
foreach (var fileItem in flist)
{
var fileName = fileItem.FileName;
fileItem.Ext = fileItem.FileName.Substring(fileName.LastIndexOf('.'));
var id = Guid.NewGuid().ToString();
if (Upload.BeforeUpload != null && !Upload.BeforeUpload.Invoke(fileItem))
{
await JSRuntime.InvokeVoidAsync(JSInteropConstants.ClearFile, _file);
return;
}
fileItem.Percent = 0;
fileItem.State = UploadState.Uploading;
fileItem.Id = id;
Upload.FileList.Add(fileItem);
await Upload.FileListChanged.InvokeAsync(this.Upload.FileList);
await InvokeAsync(StateHasChanged);
await JSRuntime.InvokeVoidAsync(JSInteropConstants.UploadFile, _file, index, Data, Headers, id, Action, Name, _currentInstance, "UploadChanged", "UploadSuccess", "UploadError", Method);
index++;
}
await JSRuntime.InvokeVoidAsync(JSInteropConstants.ClearFile, _file);
}
[JSInvokable]
public async Task UploadSuccess(string id, string returnData)
{
var file = Upload.FileList.FirstOrDefault(x => x.Id.Equals(id));
_uploadInfo.FileList = Upload.FileList;
if (file == null)
{
return;
}
file.State = UploadState.Success;
file.Percent = 100;
file.Response = returnData;
_uploadInfo.File = file;
await UploadChanged(id, 100);
await InvokeAsync(StateHasChanged);
if (Upload.OnSingleCompleted.HasDelegate)
{
await Upload.OnSingleCompleted.InvokeAsync(_uploadInfo);
}
if (Upload.OnCompleted.HasDelegate && Upload.FileList.All(x => (x.State.Equals(UploadState.Success) || x.State.Equals(UploadState.Fail))))
{
await Upload.OnCompleted.InvokeAsync(_uploadInfo);
}
}
[JSInvokable]
public async Task UploadError(string id, string reponseCode)
{
var file = Upload.FileList.FirstOrDefault(x => x.Id.Equals(id));
if (file == null)
{
return;
}
file.State = UploadState.Fail;
file.Percent = 100;
_uploadInfo.File = file;
_uploadInfo.FileList = Upload.FileList;
file.Response ??= reponseCode;
await UploadChanged(id, 100);
await InvokeAsync(StateHasChanged);
if (Upload.OnSingleCompleted.HasDelegate)
{
await Upload.OnSingleCompleted.InvokeAsync(_uploadInfo);
}
if (Upload.OnCompleted.HasDelegate && Upload.FileList.All(x => (x.State.Equals(UploadState.Success) || x.State.Equals(UploadState.Fail))))
{
await Upload.OnCompleted.InvokeAsync(_uploadInfo);
}
}
[JSInvokable]
public async Task UploadChanged(string id, int progress)
{
var file = Upload.FileList.FirstOrDefault(x => x.Id.Equals(id));
if (file == null)
{
return;
}
file.Percent = progress;
_uploadInfo.File = file;
_uploadInfo.FileList = Upload.FileList;
await InvokeAsync(StateHasChanged);
if (Upload.OnChange.HasDelegate)
{
await Upload.OnChange.InvokeAsync(_uploadInfo);
}
}
protected override void Dispose(bool disposing)
{
InvokeAsync(async () => await JSRuntime.InvokeVoidAsync(JSInteropConstants.RemoveFileClickEventListener, _btn));
base.Dispose(disposing);
}
}
}