fix(transformer): Event getters now use property name not event name

modules/angular2/src/transform/bind_generator/generator.dart

@@ -15,7 +15,7 @@ Future<String> createNgSettersAndGetters(
 
   String code = ngDeps.code;
   var setters = _generateSetters(_createPropertiesMap(ngDeps));
-  var getters = _generateGetters(_createEventsMap(ngDeps));
+  var getters = _generateGetters( _createEventPropertiesList(ngDeps));
 
   if (setters.isEmpty && getters.isEmpty) return code;
   var out = new StringBuffer();
@@ -79,35 +79,36 @@ Map<String, String> _createPropertiesMap(NgDeps ngDeps) {
   return bindMap;
 }
 
-/// Consumes the map generated by {@link _createEventsMap} to codegen getters.
-List<String> _generateGetters(Map<String, String> bindMap) {
+/// Consumes the list generated by {@link _createEventPropertiesList} to codegen
+/// getters.
+List<String> _generateGetters(List<String> eventProperties) {
   var getters = [];
   // TODO(kegluneq): Include types for receivers. See #886.
-  bindMap.forEach((getterName, eventName) {
-    if (!prop.isValid(eventName)) {
+  for (var property in eventProperties) {
+    if (!prop.isValid(property)) {
       // TODO(kegluenq): Eagerly throw here once #1295 is addressed.
-      getters.add(prop.lazyInvalidGetter(eventName));
+      getters.add(prop.lazyInvalidGetter(property));
     } else {
-      getters.add(''' '${prop.sanitize(eventName)}': (o) => o.$getterName''');
+      getters.add(''' '${prop.sanitize(property)}': (o) => o.$property''');
     }
-  });
+  }
   return getters;
 }
 
-/// Collapses all `events` in {@link ngDeps} into a map where the keys are
-/// the property names for the event emitters and the values are the event name.
-Map<String, String> _createEventsMap(NgDeps ngDeps) {
+/// Collapses all `events` in {@link ngDeps} into a list of corresponding
+/// property names.
+List<String>  _createEventPropertiesList(NgDeps ngDeps) {
   var visitor = new ExtractNamedExpressionVisitor('events');
-  var bindMap = {};
+  var propertyNames = [];
   ngDeps.registeredTypes.forEach((RegisteredType t) {
     visitor.bindConfig.clear();
     t.annotations.accept(visitor);
     visitor.bindConfig.forEach((String config) {
       // See comments for `Directive` in annotations_impl/annotations.ts for
-      // details on how `events` is specified.
-      var parts = config.split(':').map((p) => p.trim()).toList();
-      bindMap[parts[0]] = parts.length > 1 ? parts[1] : parts[0];
+      // details on how `events` is specified. We are pulling out the property
+      // name only (everything before the first `:`).
+      propertyNames.add(config.split(':').first.trim());
     });
   });
-  return bindMap;
+  return propertyNames;
 }

modules/angular2/src/transform/template_compiler/reflection_capabilities.dart

@@ -10,7 +10,9 @@ class NullReflectionCapabilities implements ReflectionCapabilities {
 
   _notImplemented(String name) => throw 'Not implemented: $name';
 
-  bool isReflectionEnabled() { return false; }
+  bool isReflectionEnabled() {
+    return false;
+  }
 
   Function factory(Type type) => _notImplemented('factory');
 

modules/angular2/test/transform/bind_generator/events_files/bar.ng_deps.dart

@@ -13,7 +13,7 @@ void initReflector(reflector) {
       'parameters': const [],
       'annotations': const [
         const Directive(
-            selector: '[tool-tip]', events: ['onOpen', 'close: onClose'])
+            selector: '[tool-tip]', events: const ['onOpen', 'close: onClose'])
       ]
     });
 }

modules/angular2/test/transform/bind_generator/events_files/expected/bar.ng_deps.dart

@@ -13,8 +13,8 @@ void initReflector(reflector) {
       'parameters': const [],
       'annotations': const [
         const Directive(
-            selector: '[tool-tip]', events: ['onOpen', 'close: onClose'])
+            selector: '[tool-tip]', events: const ['onOpen', 'close: onClose'])
       ]
     })
-    ..registerGetters({'onOpen': (o) => o.onOpen, 'onClose': (o) => o.close});
+    ..registerGetters({'onOpen': (o) => o.onOpen, 'close': (o) => o.close});
 }