// Remove a user in the FlickrLoginAccountName list.
// By using this method, we trigger the property changed event and set IsChanged.
public bool RemoveFlickrSearchAccountName(User user)
{
int index = FlickrSearchAccountList.ToList <User>().FindIndex(x => x.UserName == user.UserName);
if (index < 0)
{
MessageBox.Show("Unexpected error. The user '" + user.UserName + "' is not found.");
return(false);
}
else
{
FlickrSearchAccountList.RemoveAt(index);
OnPropertyChanged("FlickrSearchAccountList");
IsChanged = true;
FlickrSearchAccountList.ResetBindings();
if (FlickrSearchAccountList.Count == 0)
{
FlickrSearchAccountName = "";
}
else if (index < FlickrSearchAccountList.Count)
{
FlickrSearchAccountName = FlickrSearchAccountList[index].UserName;
}
else
{
FlickrSearchAccountName = FlickrSearchAccountList[index - 1].UserName;
}
UpdateEnabledProperties();
return(true);
}
}
// Add a new user or replace an existing user to the FlickrLoginAccountName list.
// Keep the list in sorted order by name.
public void AddReplaceFlickrSearchAccountName(User newUser)
{
// Find where to insert in the list.
// It's a small list, don't bother with binary search
int index = 0;
while (index < FlickrSearchAccountList.Count)
{
int compare = String.Compare(FlickrSearchAccountList[index].UserName, newUser.UserName, StringComparison.OrdinalIgnoreCase);
if (compare == 0)
{
// Found matching name, replace it
FlickrSearchAccountList[index] = newUser;
break;
}
else if (compare > 0)
{
// Found name beyond the new user name, so insert before here.
FlickrSearchAccountList.Insert(index, newUser);
break;
}
index++;
}
if (index >= FlickrSearchAccountList.Count)
{
// NewUser is beyond end of list. Add to the end.
FlickrSearchAccountList.Add(newUser);
}
OnPropertyChanged("FlickrSearchAccountList");
IsChanged = true;
FlickrSearchAccountList.ResetBindings();
FlickrSearchAccountName = newUser.UserName;
UpdateEnabledProperties();
}
