/// <summary>
///
/// </summary>
/// <param name="args"></param>
/// <returns></returns>
protected override async Task OnFileChange(InputFileChangeEventArgs args)
{
CurrentFile = new UploadFile()
{
OriginFileName = args.File.Name,
Size = args.File.Size,
File = args.File,
Uploaded = false
};
CurrentFile.ValidateId = $"{Id}_{CurrentFile.GetHashCode()}";
if (IsSingle)
{
// 单图片模式
DefaultFileList?.Clear();
UploadFiles.Clear();
}
UploadFiles.Add(CurrentFile);
await base.OnFileChange(args);
// ValidateFile 后 IsValid 才有值
CurrentFile.IsValid = IsValid;
if (OnChange != null)
{
await OnChange(CurrentFile);
}
else
{
await CurrentFile.RequestBase64ImageFileAsync(CurrentFile.File.ContentType, 320, 240);
}
}
/// <summary>
/// 获得当前图片集合
/// </summary>
/// <returns></returns>
protected virtual List <UploadFile> GetUploadFiles()
{
var ret = new List <UploadFile>();
if (IsSingle)
{
if (DefaultFileList?.Any() ?? false)
{
ret.Add(DefaultFileList.First());
}
if (ret.Count == 0 && UploadFiles.Any())
{
ret.Add(UploadFiles.First());
}
}
else
{
if (DefaultFileList != null)
{
ret.AddRange(DefaultFileList);
}
ret.AddRange(UploadFiles);
}
return(ret);
}
/// <summary>
/// OnFileDelete 回调委托
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
protected override async Task <bool> OnFileDelete(UploadFile item)
{
var ret = await base.OnFileDelete(item);
if (ret)
{
UploadFiles.Remove(item);
if (!string.IsNullOrEmpty(item.ValidateId))
{
await JSRuntime.InvokeVoidAsync(null, "bb_tooltip", item.ValidateId, "dispose");
}
if (DefaultFileList != null)
{
DefaultFileList.Remove(item);
}
}
return(ret);
}
/// <summary>
/// 清空上传列表方法
/// </summary>
public override void Reset()
{
DefaultFileList?.Clear();
base.Reset();
}
