git.r.bdr.sh - rbdr/super-polarity/blob - Super Polarity/Widget.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Linq;
   4 using System.Text;
   5
   6 namespace SuperPolarity
   7 {
   8     class Widget
   9     {
  10         public IList<Widget> Children;
  11         public Dictionary<string, List<Action<float>>> Listeners;
  12
  13         public virtual void AppendChild(Widget widget)
  14         {
  15             Children.Add(widget);
  16         }
  17
  18         public virtual void Bind(string eventName, Action<float> eventListener)
  19         {
  20             List<Action<float>> newListenerList;
  21             List<Action<float>> listenerList;
  22             bool foundListeners;
  23
  24             if (!Listeners.ContainsKey(eventName))
  25             {
  26                 newListenerList = new List<Action<float>>();
  27                 Listeners.Add(eventName, newListenerList);
  28             }
  29
  30             foundListeners = Listeners.TryGetValue(eventName, out listenerList);
  31
  32             listenerList.Add(eventListener);
  33         }
  34
  35         public virtual void Unbind(string eventName, Action<float> eventListener)
  36         {
  37             // NOT YET IMPLEMENTED;
  38         }
  39
  40         public virtual void Dispatch(string eventName, float value)
  41         {
  42             List<Action<float>> listenerList;
  43             bool foundListeners;
  44
  45             foundListeners = Listeners.TryGetValue(eventName, out listenerList);
  46
  47             if (!foundListeners)
  48             {
  49                 return;
  50             }
  51
  52             foreach (Action<float> method in listenerList)
  53             {
  54                 method(value);
  55             }
  56         }
  57     }
  58 }