/// <summary>
/// Notifies the component that file input value has changed.
/// </summary>
/// <param name="files">List of changed file(s).</param>
/// <returns>A task that represents the asynchronous operation.</returns>
public async Task NotifyChange(FileEntry[] files)
{
// Unlike in other Edit components we cannot just call CurrentValueHandler since
// we're dealing with complex types instead of a simple string as en element value.
//
// Because of that we're going to skip CurrentValueHandler and implement all the
// update logic here.
foreach (var file in files)
{
// So that method invocations on the file can be dispatched back here
file.Owner = (IFileEntryOwner)(object)this;
}
InternalValue = files;
// send the value to the validation for processing
if (ParentValidation != null)
{
await ParentValidation.NotifyInputChanged <IFileEntry[]>(files);
}
await Changed.InvokeAsync(new(files) );
await InvokeAsync(StateHasChanged);
}
public Task NotifyChange(FileEntry[] files)
{
// Unlike in other Edit components we cannot just call CurrentValueHandler since
// we're dealing with complex types instead of a simple string as en element value.
//
// Because of that we're going to skip CurrentValueHandler and implement all the
// update logic here.
foreach (var file in files)
{
// So that method invocations on the file can be dispatched back here
file.Owner = (FileEdit)(object)this;
}
InternalValue = files;
// send the value to the validation for processing
ParentValidation?.NotifyInputChanged();
return(Changed.InvokeAsync(new FileChangedEventArgs(files)));
}
/// <summary>
/// Handles the parsing of an input value.
/// </summary>
/// <param name="value">Input value to be parsed.</param>
/// <returns>Returns the awaitable task.</returns>
protected async Task CurrentValueHandler(string value)
{
var empty = false;
if (string.IsNullOrEmpty(value))
{
empty = true;
CurrentValue = default;
}
if (!empty)
{
var result = await ParseValueFromStringAsync(value);
if (result.Success)
{
CurrentValue = result.ParsedValue;
}
}
// send the value to the validation for processing
ParentValidation?.NotifyInputChanged();
}