public DataJoinConfigureColumns(DataJoinActivity activity)
{
InitializeComponent();
_activity = activity;
foreach (var mapping in ParseColumnMappings(activity))
_mappings.Add(mapping);
mappingsGrid.ItemsSource = _mappings;
}
public DataJoinConfigureColumns(DataJoinActivity activity)
{
InitializeComponent();
_activity = activity;
foreach (var mapping in ParseColumnMappings(activity))
{
_mappings.Add(mapping);
}
mappingsGrid.ItemsSource = _mappings;
}
private static IEnumerable<ColumnMapping> ParseColumnMappings(DataJoinActivity activity)
{
if (activity == null) yield break;
if (string.IsNullOrWhiteSpace(activity.Columns)) yield break;
var mappings = activity.Columns.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var pair in mappings
.Select(mapping => mapping.Split(new[] { '=' }, StringSplitOptions.RemoveEmptyEntries))
.Where(pair => pair.Length == 2))
yield return new ColumnMapping(pair[0].Trim(), pair[1].Trim());
}
private static IEnumerable <ColumnMapping> ParseColumnMappings(DataJoinActivity activity)
{
if (activity == null)
{
yield break;
}
if (string.IsNullOrWhiteSpace(activity.Columns))
{
yield break;
}
var mappings = activity.Columns.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var pair in mappings
.Select(mapping => mapping.Split(new[] { '=' }, StringSplitOptions.RemoveEmptyEntries))
.Where(pair => pair.Length == 2))
{
yield return(new ColumnMapping(pair[0].Trim(), pair[1].Trim()));
}
}
