private void InitRepeaterItems(string fieldValue)
{
var oldValues = MediaMultiField.GetValues(fieldValue);
ItemsRepeater.DataSource = oldValues;
ItemsRepeater.DataBind();
}
private object GetValueFromControl()
{
var values = ExtractValuesFromControl(skipEmpty: true).ToArray();
var fieldValue = MediaMultiField.CreateFieldValue(values);
return(fieldValue);
}
protected void AddButton_Click(object sender, EventArgs e)
{
CurrentValue = MediaMultiField.AddValueToField(CurrentValue, "");
var values = MediaMultiField.GetValues(CurrentValue);
ItemsRepeater.DataSource = values;
ItemsRepeater.DataBind();
}
public static object GetFilenameFromMediaUrl(EvaluationContext context, params object[] parameters)
{
if (parameters.Length != 1)
{
throw new NotSupportedException();
}
var url = parameters[0] as string;
var filename = MediaMultiField.ParseFrom(url).Name;
return(filename);
}
public static object GetUrlsFromMediaMultiField(EvaluationContext context, params object[] parameters)
{
if (parameters.Length != 1)
{
throw new NotSupportedException();
}
var fieldValue = parameters[0] as string;
var urls = MediaMultiField.GetValues(fieldValue);
return(urls);
}
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack)
{
// hoping posted data has been databound
var newValues = ExtractValuesFromControl();
CurrentValue = MediaMultiField.CreateFieldValue(newValues);
}
else
{
CurrentValue = OldValue;
}
}
private bool ValidateExtensions()
{
var files = ExtractValuesFromControl(skipEmpty: true);
foreach (var file in files)
{
if (!MediaMultiField.ValidateExtension(AllowedExtensions, file))
{
return(false);
}
}
return(true);
}
