public async Task SetNewSortAsync(string sortId, MatSortDirection direction)
{
SortId = sortId;
Direction = direction;
await SortIdChanged.InvokeAsync(sortId);
await DirectionChanged.InvokeAsync(direction);
await SortChanged.InvokeAsync(new MatSortChangedEvent()
{
SortId = sortId,
Direction = direction
});
this.StateHasChanged();
}
/// <summary>
/// Sort the data by the specified column.
/// </summary>
/// <param name="column">The column to sort by.</param>
/// <remarks>To disable sorting for any given column, set its Sortable property set to false.</remarks>
protected async Task SortByAsync(PDColumn <TItem> column, SortDirection?direction = null)
{
if (column.Sortable && !string.IsNullOrWhiteSpace(column.Id))
{
// if direction specified then sort as requested
if (direction.HasValue)
{
column.SortDirection = direction.Value;
}
else
{
// if column already sorted then reverse direction
if (column.Id == SortCriteria?.Key)
{
column.SortDirection = column.SortDirection == SortDirection.Ascending ? SortDirection.Descending : SortDirection.Ascending;
}
else
{
var previousCol = Columns.Find(x => x.Id == SortCriteria?.Key);
if (previousCol != null)
{
previousCol.SortDirection = SortDirection.None;
}
column.SortDirection = SortDirection.Ascending;
}
}
if (SortCriteria != null)
{
SortCriteria.Key = column.Id;
SortCriteria.Direction = column.SortDirection;
}
await GetDataAsync().ConfigureAwait(true);
await SortChanged.InvokeAsync(new SortCriteria { Key = column.Id, Direction = direction ?? column.SortDirection }).ConfigureAwait(true);
}
}
