public void RemoveItem(ConversationItem item)
{
Edges.RemoveAll(edge => edge.ToId == item.ID);
if (Items.Contains(item))
{
Items.Remove(item);
}
}
public List <ConversationItem> GetConnectedItems(ConversationItem item)
{
List <ConversationItem> result = new List <ConversationItem>();
foreach (var edge in Edges)
{
if (edge.FromId == item.ID)
{
result.Add(GetConversationItem(edge.ToId));
}
}
return(result);
}
public ConversationItem GetFirstConnectedItem(ConversationItem item)
{
ConversationItem result = null;
foreach (var edge in Edges)
{
if (edge.FromId == item.ID)
{
result = GetConversationItem(edge.ToId);
break;
}
}
return(result);
}
public bool HasConnectedItem(ConversationItem item)
{
return(GetFirstConnectedItem(item) != null);
}
public void InitByIds(Conversation conversation)
{
FromItem = conversation.GetConversationItem(FromId);
ToItem = conversation.GetConversationItem(ToId);
}
public Edge(ConversationItem from)
{
FromId = from.ID;
FromItem = from;
ToItem = null;
}