private async Task _onValueChangeHandler(ChangeEventArgs e)
{
var value = (string)e.Value;
//Generate new Rows
var rows = WvpHelpers.GetCsvData <TItem>(value, _hasHeader, _delimiter, Culture);
await ValueChanged.InvokeAsync(new ChangeEventArgs { Value = value });
await RowsChanged.InvokeAsync(new ChangeEventArgs { Value = rows });
}
protected override async Task OnParametersSetAsync()
{
_cssList = new List <string>();
if (!String.IsNullOrWhiteSpace(Class))
{
_cssList.Add(Class);
}
_cssList.Add($"form-control-datacsv");
var valueHasChanged = false;
var rowsHasChanged = false;
var delimterHasChanged = false;
var hasHeaderHasChanged = false;
if (JsonConvert.SerializeObject(_originalValue) != JsonConvert.SerializeObject(Value))
{
_originalValue = Value;
_value = FieldValueService.InitAsString(Value);
valueHasChanged = true;
}
if (JsonConvert.SerializeObject(_originalRows) != JsonConvert.SerializeObject(Rows))
{
_originalRows = Rows.ToList();
_rows = Rows.ToList();
rowsHasChanged = true;
}
if (JsonConvert.SerializeObject(_originalDelimiter) != JsonConvert.SerializeObject(Delimiter))
{
_originalDelimiter = Delimiter;
_delimiter = Delimiter;
delimterHasChanged = true;
}
if (JsonConvert.SerializeObject(_originalHasHeader) != JsonConvert.SerializeObject(HasHeader))
{
_originalHasHeader = HasHeader ? true : false;
_hasHeader = HasHeader ? true : false;
hasHeaderHasChanged = true;
}
if (!String.IsNullOrWhiteSpace(Name))
{
AdditionalAttributes["name"] = Name;
}
if (!String.IsNullOrWhiteSpace(Placeholder))
{
AdditionalAttributes["placeholder"] = Placeholder;
}
if (!String.IsNullOrWhiteSpace(Title))
{
AdditionalAttributes["title"] = Title;
}
//Value has preference
if (valueHasChanged)
{
if (!String.IsNullOrWhiteSpace(_value))
{
_rows = WvpHelpers.GetCsvData <TItem>(_value, _hasHeader, _delimiter, Culture);
}
else
{
_rows = new List <TItem>();
}
}
else if (rowsHasChanged || delimterHasChanged || hasHeaderHasChanged)
{
if (_rows.Count == 0)
{
_value = "";
}
else
{
//Specifics here is that header should not be generated
_value = WvpHelpers.WriteCsvData <TItem>(_rows, false, _delimiter, Culture);
}
}
await base.OnParametersSetAsync();
}