/// <summary>
/// Renames a filter in this collection.
/// </summary>
/// <param name="oldName">The old (current) name of the filter.</param>
/// <param name="newName">The new name to give the filter.</param>
/// <returns>True if the renaming was successful; otherwise false.</returns>
public bool RenameFilter(string oldName, string newName)
{
// Make sure the filter exists
var filter = TryGetFilter(oldName);
if (filter == null)
{
return(false);
}
// Check if we are even changing the name at all
if (_filterNameComparer.Equals(oldName, newName))
{
return(false);
}
// Make sure the new name is not in use
if (TryGetFilter(newName) != null)
{
return(false);
}
// Remove the filter
_filters.Remove(oldName);
// Add back in with the ne wname
_filters.Add(newName, filter);
// Raise events
if (Renamed != null)
{
Renamed.Raise(this, new MapDrawFilterHelperCollectionRenameEventArgs(newName, filter, oldName));
}
return(true);
}
private void FileSystemWatcherOnRenamed(object sender, RenamedEventArgs e)
{
Renamed.Raise(sender, e);
}
/// <summary>
/// Raises the Renamed event.
/// </summary>
/// <param name="e"></param>
protected virtual void RaiseRenamed(NodeRenamedEventArgs e)
{
Renamed.Raise(this, e);
}