public override DataBindingAttributeDictionary ApplyExtension(DataBindingAttributeDictionary bindings, DataBindingMode currentMode)
{
if (!_validForModes.HasFlag(currentMode) || !bindings.Any(b => b.Key == _attributeName))
{
return(bindings);
}
var valueBinding = bindings.First(b => b.Key == _attributeName);
var extendedValueBinding = BuildExtensionString(valueBinding.Value.ToString());
bindings.SetAttribute(valueBinding.Key, extendedValueBinding);
return(bindings);
}
private static DataBindingAttributeDictionary BuildDataBindingAttributeDictionary(string dataSourceName, string valuePropertyName, ClientBindingLevel bindingLevel, string displayPropertyName, string optionsCaption)
{
if (dataSourceName == null) { throw new ArgumentNullException("dataSourceName"); }
if (string.IsNullOrWhiteSpace(dataSourceName)) { throw new ArgumentException("Data source name cannot be empty.", "dataSourceName"); }
if (displayPropertyName == null) { throw new ArgumentNullException("displayPropertyName"); }
if (string.IsNullOrWhiteSpace(displayPropertyName)) { throw new ArgumentException("Display property name cannot be empty.", "displayPropertyName"); }
var dataBindingAttributeDictionary = new DataBindingAttributeDictionary();
dataBindingAttributeDictionary.SetAttribute("options", string.Format("{0}.{1}", GetBindingScope(bindingLevel), dataSourceName));
dataBindingAttributeDictionary.SetAttribute("optionsText", string.Format("'{0}'", displayPropertyName));
if (!string.IsNullOrWhiteSpace(valuePropertyName))
{
dataBindingAttributeDictionary.SetAttribute("optionsValue", string.Format("'{0}'", valuePropertyName));
}
if (!string.IsNullOrEmpty(optionsCaption))
{
dataBindingAttributeDictionary.SetAttribute("optionsCaption", string.Format("'{0}'", optionsCaption));
}
return dataBindingAttributeDictionary;
}
private static DataBindingAttributeDictionary BuildDataBindingAttributeDictionary(string attributes)
{
if (attributes == null)
{
throw new ArgumentNullException("attributes");
}
var dictionary = new DataBindingAttributeDictionary();
foreach (var a in attributes.Split(','))
{
var attr = a.Split(':');
dictionary.SetAttribute(attr[0], attr[1]);
}
return(dictionary);
}
private static DataBindingAttributeDictionary BuildDataBindingAttributeDictionary(string attributeName, string attributeValue)
{
if (string.IsNullOrWhiteSpace(attributeName))
{
throw new ArgumentNullException("attributeName");
}
if (string.IsNullOrWhiteSpace(attributeValue))
{
throw new ArgumentNullException("attributeValue");
}
var dictionary = new DataBindingAttributeDictionary();
dictionary.SetAttribute(attributeName, attributeValue);
return(dictionary);
}
