/// <summary>
/// Adds new item to the internal collection.
/// Duplicate items ARE NOT added, but Speller is still notified.
/// </summary>
/// <param name="item"></param>
void ICollection <Uri> .Add(Uri item)
{
ValidateUri(item);
if (!_uriList.Contains(item))
{
_uriList.Add(item);
}
if (Speller != null)
{
Speller.OnDictionaryUriAdded(item);
}
}
/// <summary>
/// Implementation of Insert method. A restriction added by this implementation is that
/// it will throw exception if the item was already added previously.
/// This is to avoid ambiguity in respect to the expected position (index) of the inserted item.
/// Caller will have to check first if item was already added.
/// </summary>
/// <param name="index"></param>
/// <param name="item"></param>
void IList <Uri> .Insert(int index, Uri item)
{
if (_uriList.Contains(item))
{
throw new ArgumentException(SR.Get(SRID.CustomDictionaryItemAlreadyExists), "item");
}
ValidateUri(item);
_uriList.Insert(index, item);
if (Speller != null)
{
Speller.OnDictionaryUriAdded(item);
}
}
/// <summary>
/// Sets value at specified index.
/// Speller is notified that value at the index is being replaced, which means
/// current value at given offset is removed, and new value is added at the same index.
/// </summary>
/// <param name="index"></param>
/// <returns></returns>
Uri IList <Uri> .this[int index]
{
get
{
return(_uriList[index]);
}
set
{
ValidateUri(value);
Uri oldUri = _uriList[index];
if (Speller != null)
{
Speller.OnDictionaryUriRemoved(oldUri);
}
_uriList[index] = value;
if (Speller != null)
{
Speller.OnDictionaryUriAdded(value);
}
}
}