/// <summary>
/// Returns true if handler is mapped to any of the specified phases
/// </summary>
/// <param name="eventType"></param>
/// <param name="handler"></param>
/// <param name="phases"></param>
/// <returns></returns>
public virtual bool MappedToAnyPhase(string eventType, EventHandler handler, EventPhase phases)
{
var arr = EventPhaseHelper.BreakUpPhases(phases);
foreach (EventPhase phase in arr)
{
EventTypePhase key = new EventTypePhase(eventType, phase);
//if (_eventHandlerDict.ContainsKey(key) && _eventHandlerDict[key].Contains(handler))
if (_eventHandlerDict.ContainsKey(key))
{
var exists = _eventHandlerDict[key].Exists(delegate(PriorityGroup group)
{
return(group.Contains(handler));
});
//foreach (PriorityGroup group in _eventHandlerDict[key])
//{
// //if (_eventHandlerDict[key].Contains(handler))
// // return true;
//}
return(exists);
}
}
return(false);
}
/// <summary>
/// Executes event handlers listening for a particular event type
/// NOTE: Public by purpose
/// </summary>
/// <param name="e">Event to dispatch</param>
/// <remarks>Conceived by Danko Kozar</remarks>
public void ExecuteListeners(Event e)
{
// return if event canceled
if (e.Canceled)
{
return;
}
EventTypePhase key = new EventTypePhase(e.Type, e.Phase);
// find event handlers subscribed for this event
if (_eventHandlerDict.ContainsKey(key) && null != _eventHandlerDict[key])
{
// execute each handler
_eventHandlerDict[key].ForEach(
delegate(EventHandler handler)
{
if (e.Canceled) // the event might have been canceled by the previous listener in the collection
{
return;
}
handler(e); // execute the handler with an event as argument
}
);
}
}
/// <summary>
/// Removes all listeners for the spacified event type and phases
/// </summary>
/// <param name="eventType">Event type</param>
/// /// <param name="phases"></param>
public virtual void RemoveAllListeners(string eventType, EventPhase phases)
{
var arr = EventPhaseHelper.BreakUpPhases(phases);
foreach (EventPhase phase in arr)
{
EventTypePhase key = new EventTypePhase(eventType, phase);
if (_eventHandlerDict.ContainsKey(key))
{
_eventHandlerDict[key].Clear();
_eventHandlerDict.Remove(key);
}
}
}
/// <summary>
/// Returns true if handler is mapped to any of the specified phases
/// </summary>
/// <param name="eventType"></param>
/// <param name="handler"></param>
/// <param name="phases"></param>
/// <returns></returns>
public virtual bool MappedToAnyPhase(string eventType, EventHandler handler, EventPhase phases)
{
var arr = EventPhaseHelper.BreakUpPhases(phases);
foreach (EventPhase phase in arr)
{
EventTypePhase key = new EventTypePhase(eventType, phase);
if (_eventHandlerDict.ContainsKey(key) && _eventHandlerDict[key].Contains(handler))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Adds the event listener
/// </summary>
/// <param name="eventType">Event type</param>
/// <param name="handler">Event handler</param>
/// <param name="phases">Event bubbling phases that we listen to</param>
public virtual void AddEventListener(string eventType, EventHandler handler, EventPhase phases)
{
var arr = EventPhaseHelper.BreakUpPhases(phases);
foreach (EventPhase phase in arr)
{
EventTypePhase key = new EventTypePhase(eventType, phase);
if (!_eventHandlerDict.ContainsKey(key)) // avoid key duplication
{
_eventHandlerDict.Add(key, new List <EventHandler>());
}
if (!_eventHandlerDict[key].Contains(handler)) // avoid key + value duplication
{
_eventHandlerDict[key].Add(handler);
}
}
}
/// <summary>
/// Removes the event listener
/// </summary>
/// <param name="eventType">Event type</param>
/// <param name="handler">Event handler (function)</param>
/// <param name="phases">Event bubbling phases that we listen to</param>
public virtual void RemoveEventListener(string eventType, EventHandler handler, EventPhase phases)
{
var arr = EventPhaseHelper.BreakUpPhases(phases);
foreach (EventPhase phase in arr)
{
EventTypePhase key = new EventTypePhase(eventType, phase);
if (_eventHandlerDict.ContainsKey(key))
{
foreach (PriorityGroup group in _eventHandlerDict[key])
{
if (group.Contains(handler))
{
group.Remove(handler);
}
if (group.Count == 0)
{
if (null == _tempList)
{
_tempList = new List <PriorityGroup>();
}
_tempList.Add(group);
}
}
if (null != _tempList)
{
foreach (PriorityGroup @group in _tempList)
{
_eventHandlerDict[key].Remove(@group); // cleanup
}
_tempList.Clear();
}
if (_eventHandlerDict[key].Count == 0)
{
_eventHandlerDict.Remove(key); // cleanup
}
}
}
}
/// <summary>
/// Adds the event listener
/// </summary>
/// <param name="eventType">Event type</param>
/// <param name="handler">Event handler</param>
/// <param name="phases">Event bubbling phases that we listen to</param>
/// <param name="priority">Event priority</param>
public virtual void AddEventListener(string eventType, EventHandler handler, EventPhase phases, int priority)
{
var arr = EventPhaseHelper.BreakUpPhases(phases);
foreach (EventPhase phase in arr)
{
EventTypePhase key = new EventTypePhase(eventType, phase);
if (!_eventHandlerDict.ContainsKey(key)) // avoid key duplication
{
_eventHandlerDict.Add(key, new List <PriorityGroup>());
}
var group = _eventHandlerDict[key].Find(delegate(PriorityGroup g)
{
return(g.Priority == priority);
});
if (null == group)
{
//if (0 != priority)
// Debug.Log("Creating new group with priority " + priority);
group = new PriorityGroup {
Priority = priority
};
// add and sort
_eventHandlerDict[key].Add(group);
// if having multiple priorities, sort now
if (_eventHandlerDict[key].Count > 0)
{
_eventHandlerDict[key].Sort(PriorityComparer);
}
}
if (!group.Contains(handler)) // avoid key + value duplication
{
group.Add(handler);
}
}
}
/// <summary>
/// Removes the event listener
/// </summary>
/// <param name="eventType">Event type</param>
/// <param name="handler">Event handler (function)</param>
/// <param name="phases">Event bubbling phases that we listen to</param>
public virtual void RemoveEventListener(string eventType, EventHandler handler, EventPhase phases)
{
var arr = EventPhaseHelper.BreakUpPhases(phases);
foreach (EventPhase phase in arr)
{
EventTypePhase key = new EventTypePhase(eventType, phase);
if (_eventHandlerDict.ContainsKey(key))
{
if (_eventHandlerDict[key].Contains(handler))
{
_eventHandlerDict[key].Remove(handler);
}
if (_eventHandlerDict[key].Count == 0) // cleanup
{
_eventHandlerDict.Remove(key);
}
}
}
}
/// <summary>
/// Indicates whether the current object is equal to another object of the same type.
/// </summary>
/// <returns>
/// true if the current object is equal to the <paramref name="other"/> parameter; otherwise, false.
/// </returns>
/// <param name="other">An object to compare with this object.
/// </param>
public bool Equals(EventTypePhase other)
{
return(Equals(other.EventType, EventType) && Equals(other.Phase, Phase));
}
/// <summary>
/// Indicates whether the current object is equal to another object of the same type.
/// </summary>
/// <returns>
/// true if the current object is equal to the <paramref name="other"/> parameter; otherwise, false.
/// </returns>
/// <param name="other">An object to compare with this object.
/// </param>
public bool Equals(EventTypePhase other)
{
return Equals(other.EventType, EventType) && Equals(other.Phase, Phase);
}
/// <summary>
/// Adds the event listener
/// </summary>
/// <param name="eventType">Event type</param>
/// <param name="handler">Event handler</param>
/// <param name="phases">Event bubbling phases that we listen to</param>
public virtual void AddEventListener(string eventType, EventHandler handler, EventPhase phases)
{
var arr = EventPhaseHelper.BreakUpPhases(phases);
foreach (EventPhase phase in arr)
{
EventTypePhase key = new EventTypePhase(eventType, phase);
if (!_eventHandlerDict.ContainsKey(key)) // avoid key duplication
_eventHandlerDict.Add(key, new List<EventHandler>());
if (!_eventHandlerDict[key].Contains(handler)) // avoid key + value duplication
_eventHandlerDict[key].Add(handler);
}
}
/// <summary>
/// Removes the event listener
/// </summary>
/// <param name="eventType">Event type</param>
/// <param name="handler">Event handler (function)</param>
/// <param name="phases">Event bubbling phases that we listen to</param>
public virtual void RemoveEventListener(string eventType, EventHandler handler, EventPhase phases)
{
var arr = EventPhaseHelper.BreakUpPhases(phases);
foreach (EventPhase phase in arr)
{
EventTypePhase key = new EventTypePhase(eventType, phase);
if (_eventHandlerDict.ContainsKey(key))
{
if (_eventHandlerDict[key].Contains(handler))
_eventHandlerDict[key].Remove(handler);
if (_eventHandlerDict[key].Count == 0) // cleanup
_eventHandlerDict.Remove(key);
}
}
}
/// <summary>
/// Removes all listeners for the spacified event type and phases
/// </summary>
/// <param name="eventType">Event type</param>
/// /// <param name="phases"></param>
public virtual void RemoveAllListeners(string eventType, EventPhase phases)
{
var arr = EventPhaseHelper.BreakUpPhases(phases);
foreach (EventPhase phase in arr)
{
EventTypePhase key = new EventTypePhase(eventType, phase);
if (_eventHandlerDict.ContainsKey(key))
{
_eventHandlerDict[key].Clear();
_eventHandlerDict.Remove(key);
}
}
}
/// <summary>
/// Returns true if handler is mapped to any of the specified phases
/// </summary>
/// <param name="eventType"></param>
/// <param name="handler"></param>
/// <param name="phases"></param>
/// <returns></returns>
public virtual bool MappedToAnyPhase(string eventType, EventHandler handler, EventPhase phases)
{
var arr = EventPhaseHelper.BreakUpPhases(phases);
foreach (EventPhase phase in arr)
{
EventTypePhase key = new EventTypePhase(eventType, phase);
if (_eventHandlerDict.ContainsKey(key) && _eventHandlerDict[key].Contains(handler))
return true;
}
return false;
}
/// <summary>
/// Executes event handlers listening for a particular event type
/// NOTE: Public by purpose
/// </summary>
/// <param name="e">Event to dispatch</param>
/// <remarks>Conceived by Danko Kozar</remarks>
public void ExecuteListeners(Event e)
{
// return if event canceled
if (e.Canceled)
return;
EventTypePhase key = new EventTypePhase(e.Type, e.Phase);
// find event handlers subscribed for this event
if (_eventHandlerDict.ContainsKey(key) && null != _eventHandlerDict[key])
{
// execute each handler
_eventHandlerDict[key].ForEach(
delegate(EventHandler handler)
{
if (e.Canceled) // the event might have been canceled by the previous listener in the collection
return;
handler(e); // execute the handler with an event as argument
}
);
}
}
