Added files

mongoui/mongoui-master/node_modules/derby/lib/EventDispatcher.js

@@ -0,0 +1,43 @@
+function empty() {}
+
+module.exports = EventDispatcher;
+
+function EventDispatcher(options) {
+  if (options == null) options = {};
+  this._onTrigger = options.onTrigger || empty;
+  this._onBind = options.onBind || empty;
+  this.clear();
+}
+
+EventDispatcher.prototype = {
+  clear: function() {
+    this.names = {};
+  }
+
+, bind: function(name, listener, arg0) {
+    this._onBind(name, listener, arg0);
+    var names = this.names
+      , obj = names[name] || {};
+    obj[JSON.stringify(listener)] = listener;
+    return names[name] = obj;
+  }
+
+, trigger: function(name, value, arg0, arg1, arg2, arg3, arg4, arg5) {
+    var names = this.names
+      , listeners = names[name]
+      , onTrigger = this._onTrigger
+      , count = 0
+      , key, listener;
+    for (key in listeners) {
+      listener = listeners[key];
+      count++;
+      if (false !== onTrigger(name, listener, value, arg0, arg1, arg2, arg3, arg4, arg5)) {
+        continue;
+      }
+      delete listeners[key];
+      count--;
+    }
+    if (!count) delete names[name];
+    return count;
+  }
+}