protected override void InitializeDataSourceSettings(Item item)
{
Assert.ArgumentNotNull(item, nameof(item));
base.InitializeDataSourceSettings(item);
var queryStringId = WebUtil.GetSafeQueryString("id");
if (string.IsNullOrEmpty(DefaultSelection) && string.IsNullOrEmpty(queryStringId) && !ShowItems)
{
var settings = DataSourceSettingsManager.GetSettings(item);
if (settings != null)
{
Items.Clear();
Items.AddRange(settings);
}
}
if (!string.IsNullOrEmpty(DefaultSelection) || (!string.IsNullOrEmpty(queryStringId) && ID.IsID(queryStringId)))
{
if (!ShowItems && Items.Count > 0)
{
Items.Clear();
}
string itName, itValue;
itName = itValue = string.Empty;
var it = Context.Database.GetItem(queryStringId);
if (it != null)
{
itName = it.Fields.FirstOrDefault(f => f.Name.ToLower() == "name")?.Value?.ToString();
if (string.IsNullOrEmpty(itName))
{
itName = it.DisplayName;
}
itValue = it.Fields.FirstOrDefault(f => f.Name.ToLower() == "email")?.Value?.ToString();
DefaultSelection = $"{itValue};{itName}";
var itemPassed = Items.FirstOrDefault(i => i.Text.ToLower() == itName);
var isItemPassed = itemPassed != null;
if (!isItemPassed)
{
itemPassed = new ListFieldItem {
Text = itName
};
}
itemPassed.ItemId = queryStringId;
itemPassed.Text = itName;
itemPassed.Value = ShowValues ? itValue : queryStringId;
itemPassed.Selected = true;
if (!isItemPassed)
{
Items.Add(itemPassed);
}
}
}
}
protected override ListFieldItemCollection UpdateDataSourceSettings(Item item)
{
Assert.ArgumentNotNull(item, nameof(item));
var listFieldItemCollection = new ListFieldItemCollection();
listFieldItemCollection.AddRange(Items);
DataSourceSettingsManager.SaveSettings(item, listFieldItemCollection);
return(listFieldItemCollection);
}
