/// <summary>
/// Convert custom attributes (that aren't found via reflection, e.g. width/height) into useable values
/// </summary>
/// <param name="attributes"></param>
/// <returns></returns>
protected AttributeDictionary HandleCustomAttributes(AttributeDictionary attributes)
{
var elementName = XmlLayoutUtilities.GetTagName(GetType());
//var elementName = this.GetType().Name.Replace("TagHandler", String.Empty);
var customAttributes = attributes.Where(k => XmlLayoutUtilities.IsCustomAttribute(k.Key)).ToList();
foreach (var attribute in customAttributes)
{
var customAttribute = XmlLayoutUtilities.GetCustomAttribute(attribute.Key);
if (customAttribute.RestrictToPermittedElementsOnly)
{
if (!customAttribute.PermittedElements.Contains(elementName, StringComparer.OrdinalIgnoreCase))
{
continue;
}
}
if (customAttribute.UsesConvertMethod)
{
attributes = XmlLayoutUtilities.MergeAttributes(
attributes,
customAttribute.Convert(attribute.Value, attributes.AsReadOnly(), this.currentXmlElement));
}
if (customAttribute.UsesApplyMethod)
{
customAttribute.Apply(currentXmlElement, attribute.Value, attributes.AsReadOnly());
}
if (customAttribute.UsesApplyMethod && !defaultAttributeValues.ContainsKey(attribute.Key))
{
defaultAttributeValues.Add(attribute.Key, customAttribute.DefaultValue);
}
if (!customAttribute.KeepOriginalTag)
{
attributes.Remove(attribute.Key);
}
}
return(attributes);
}