/// <summary>
/// Clears the selected value and the search field.
/// </summary>
public async Task Clear()
{
CurrentSearch = null;
dropdownRef.Hide();
SelectedText = string.Empty;
SelectedValue = default;
await SelectedValueChanged.InvokeAsync(selectedValue);
await SearchChanged.InvokeAsync(CurrentSearch);
}
private async Task HandleDropdownItemClicked(object value)
{
CurrentSearch = null;
dropdownRef.Hide();
var item = Data.FirstOrDefault(x => EqualityComparer <object> .Default.Equals(ValueField(x), value));
SelectedText = item != null?TextField?.Invoke(item) : string.Empty;
SelectedValue = value;
await SelectedValueChanged.InvokeAsync(SelectedValue);
await SearchChanged.InvokeAsync(CurrentSearch);
}
private async Task OnDropdownItemClicked(object value)
{
CurrentSearch = null;
dropdownRef.Hide();
var item = Data.FirstOrDefault(x => ValueField(x).IsEqual(value));
SelectedText = item != null?TextField?.Invoke(item) : string.Empty;
SelectedValue = Converters.ChangeType <TValue>(value);
await SelectedValueChanged.InvokeAsync(SelectedValue);
await SearchChanged.InvokeAsync(CurrentSearch);
await textEditRef?.Revalidate();
}
/// <summary>
/// Handles the search field onchange or oninput event.
/// </summary>
/// <param name="text">Serach value.</param>
/// <returns>Returns awaitable task</returns>
protected async Task OnTextChangedHandler(string text)
{
CurrentSearch = text ?? string.Empty;
SelectedText = CurrentSearch;
dirtyFilter = true;
if (text?.Length >= MinLength && FilteredData.Any())
{
dropdownRef.Show();
}
else
{
dropdownRef.Hide();
}
//If input field is empty, clear current SelectedValue.
if (string.IsNullOrEmpty(text))
{
await Clear();
}
await SearchChanged.InvokeAsync(CurrentSearch);
}