Remove event proxying from core

Fix #332.

doc/base_api.md

@@ -170,29 +170,6 @@ this.after('initialize', function() {
 });
 ```
 
-Example of `handler` being a string that maps events to other events. This is
-useful for proxying browser events to more meaningful custom events.
-
-```js
-this.on('click', 'uiComponentClick');
-```
-
-Example of `handler` being an object that maps events to other events.
-
-```js
-this.attributes({
-  menuItemSelector: '.menuItem',
-  saveButtonSelector: '#save'
-});
-
-this.after('initialize', function() {
-  this.on('click', {
-    menuItemSelector: 'uiMenuItemClick',
-    saveButtonSelector: 'uiSaveButtonClick'
-  });
-});
-```
-
 <a name="this.off"></a>
 ## this.off([selector,] eventType [, handler])
 

lib/base.js

@@ -109,12 +109,6 @@ define(
       }, this);
     }
 
-    function proxyEventTo(targetEvent) {
-      return function(e, data) {
-        $(e.target).trigger(targetEvent, data);
-      };
-    }
-
     function withBase() {
 
       // delegate trigger, bind and unbind to an element
@@ -174,8 +168,6 @@ define(
           originalCb = utils.delegate(
             this.resolveDelegateRules(origin)
           );
-        } else if (typeof origin == 'string') {
-          originalCb = proxyEventTo(origin);
         } else {
           originalCb = origin;
         }
@@ -255,7 +247,7 @@ define(
           if (!(r in this.attr)) {
             throw new Error('Component "' + this.toString() + '" wants to listen on "' + r + '" but no such attribute was defined.');
           }
-          rules[this.attr[r]] = (typeof ruleInfo[r] == 'string') ? proxyEventTo(ruleInfo[r]) : ruleInfo[r];
+          rules[this.attr[r]] = ruleInfo[r];
         }, this);
 
         return rules;

test/spec/events_spec.js

@@ -101,40 +101,6 @@ define(['lib/component', 'lib/registry'], function (defineComponent, registry) {
       expect(spy2).toHaveBeenCalled();
     });
 
-    it('proxy from one to another when declared using "on" with a string', function () {
-      var instance = (new Component).initialize(window.outerDiv);
-      var data = {actor: 'Brent Spiner'};
-
-      // Declare an event proxy from 'sourceEvent' → 'targetEvent'
-      instance.on('sourceEvent', 'targetEvent');
-
-      var spy = jasmine.createSpy();
-      instance.on('targetEvent', spy);
-
-      instance.trigger('sourceEvent', data);
-
-      expect(spy).toHaveBeenCalled();
-      expect(spy.mostRecentCall.args[1]).toEqual(data);
-    });
-
-    it('proxy from one to another when declared using "on" with an object', function () {
-      var instance = (new Component).initialize(window.outerDiv, {'innerDiv': 'div'});
-      var data = {actor: 'Brent Spiner'};
-
-      // Declare an event proxy from 'sourceEvent' → 'targetEvent'
-      instance.on('sourceEvent', {
-        'innerDiv': 'targetEvent'
-      });
-
-      var spy = jasmine.createSpy();
-      instance.on(window.innerDiv, 'targetEvent', spy);
-
-      instance.trigger(window.innerDiv, 'sourceEvent', data);
-
-      expect(spy).toHaveBeenCalled();
-      expect(spy.mostRecentCall.args[1]).toEqual(data);
-    });
-
     it('unbinds listeners using "off"', function () {
       var instance1 = (new Component).initialize(window.outerDiv);