private void RankLowItem_Click(object sender, RoutedEventArgs e)
{
if (dataGrid != null)
{
dataGrid.ItemsSource = viewModel.FilterData(DataGridDataSource.FilterOptions.Rank_Low);
}
}
private void DataGrid_Sorting(object sender, DataGridColumnEventArgs e)
{
// Clear previous sorted column if we start sorting a different column
string previousSortedColumn = viewModel.CachedSortedColumn;
if (previousSortedColumn != string.Empty)
{
foreach (DataGridColumn dataGridColumn in dataGrid.Columns)
{
if (dataGridColumn.Tag != null && dataGridColumn.Tag.ToString() == previousSortedColumn &&
(e.Column.Tag == null || previousSortedColumn != e.Column.Tag.ToString()))
{
dataGridColumn.SortDirection = null;
}
}
}
// Toggle clicked column's sorting method
if (e.Column.Tag != null)
{
if (e.Column.SortDirection == null)
{
dataGrid.ItemsSource = viewModel.SortData(e.Column.Tag.ToString(), true);
e.Column.SortDirection = DataGridSortDirection.Ascending;
}
else if (e.Column.SortDirection == DataGridSortDirection.Ascending)
{
dataGrid.ItemsSource = viewModel.SortData(e.Column.Tag.ToString(), false);
e.Column.SortDirection = DataGridSortDirection.Descending;
}
else
{
dataGrid.ItemsSource = viewModel.FilterData(DataGridDataSource.FilterOptions.All);
e.Column.SortDirection = null;
}
}
}
