private static void checkArgument(string message, string parameter, string parameterName)
{
if (UtilityClass.IsNullOrEmpty(parameter))
{
throw new ArgumentNullException(message, parameterName);
}
}
private static void CheckArgumentNotNullOrEmpty(string argumentName, string argumentValue)
{
if (UtilityClass.IsNullOrEmpty(argumentValue))
{
throw new ArgumentNullException(argumentName, "Null and Empty are not allowed.");
}
}
public override bool Compare(string value)
{
if (UtilityClass.IsNullOrEmpty(value))
{
return(false);
}
return(Compare(new Uri(value)));
}
public ElementTag(string tagName, string inputTypes)
{
TagName = tagName;
IsInputElement = ElementFinder.isInputElement(tagName);
// Check arguments
if (IsInputElement)
{
if (UtilityClass.IsNullOrEmpty(inputTypes))
{
throw new ArgumentNullException("inputTypes", String.Format("inputTypes must be set when tagName is '{0}'", tagName));
}
InputTypes = inputTypes.ToLower();
}
}
/// <summary>
/// This methode can be used if the attribute isn't available as a property of
/// of this <see cref="Style"/> class.
/// </summary>
/// <param name="attributeName">The attribute name. This could be different then named in
/// the HTML. It should be the name of the property exposed by IE on it's style object.</param>
/// <returns>The value of the attribute if available; otherwise <c>null</c> is returned.</returns>
public string GetAttributeValue(string attributeName)
{
if (UtilityClass.IsNullOrEmpty(attributeName))
{
throw new ArgumentNullException("attributeName", "Null or Empty not allowed.");
}
object attribute = GetAttributeValue(attributeName, style);
if (attribute == DBNull.Value || attribute == null)
{
return(null);
}
return(attribute.ToString());
}
/// <summary>
/// This methode can be used if the attribute isn't available as a property of
/// Element or a subclass of Element.
/// </summary>
/// <param name="attributeName">The attribute name. This could be different then named in
/// the HTML. It should be the name of the property exposed by IE on it's element object.</param>
/// <returns>The value of the attribute if available; otherwise <c>null</c> is returned.</returns>
public string GetAttributeValue(string attributeName)
{
if (UtilityClass.IsNullOrEmpty(attributeName))
{
throw new ArgumentNullException("attributeName", "Null or Empty not allowed.");
}
if (string.Compare(attributeName, "style", true) == 0)
{
return(htmlElement.style.cssText);
}
object attribute = htmlElement.getAttribute(attributeName, 0);
if (attribute == DBNull.Value || attribute == null)
{
return(null);
}
return(attribute.ToString());
}
