/// <summary>
/// Returns the field's current value(s)
/// </summary>
/// <param name="parentControl">The parent control.</param>
/// <param name="value">Information about the value</param>
/// <param name="configurationValues">The configuration values.</param>
/// <param name="condensed">Flag indicating if the value should be condensed (i.e. for use in a grid column)</param>
/// <returns></returns>
public override string FormatValue( Control parentControl, string value, Dictionary<string, ConfigurationValue> configurationValues, bool condensed )
{
string formattedValue = string.Empty;
if ( !string.IsNullOrWhiteSpace( value ) )
{
var guids = value.SplitDelimitedValues();
var categories = new CategoryService( new RockContext() ).Queryable().Where( a => guids.Contains( a.Guid.ToString() ) );
if ( categories.Any() )
{
formattedValue = string.Join( ", ", ( from category in categories select category.Name ).ToArray() );
}
}
return base.FormatValue( parentControl, formattedValue, null, condensed );
}
/// <summary>
/// Reads new values entered by the user for the field
/// </summary>
/// <param name="control">Parent control that controls were added to in the CreateEditControl() method</param>
/// <param name="configurationValues">The configuration values.</param>
/// <returns></returns>
public override string GetEditValue( Control control, Dictionary<string, ConfigurationValue> configurationValues )
{
var picker = control as CategoryPicker;
string result = null;
if ( picker != null )
{
var guids = new List<Guid>();
var ids = picker.SelectedValuesAsInt();
var categories = new CategoryService( new RockContext() ).Queryable().Where( c => ids.Contains( c.Id ) );
if ( categories.Any() )
{
guids = categories.Select( c => c.Guid ).ToList();
}
result = string.Join( ",", guids );
}
return result;
}