Wire up TC widget to controller methods.

services/web/app/views/project/editor/review-panel.pug

@@ -56,7 +56,7 @@
 				span.rp-tc-state-item-name.rp-tc-state-item-name-everyone Everyone
 				review-panel-toggle(
 					ng-model="reviewPanel.trackChangesOnForEveryone"
-					on-toggle="toggleTrackChangesForEveryone"
+					on-toggle="toggleTrackChangesForEveryone(isOn);"
 					disabled="!project.features.trackChanges"
 					on-disabled-click="openTrackChangesUpgradeModal"
 				)
@@ -69,8 +69,7 @@
 				//- method, and it's not clear how.
 				review-panel-toggle(
 					ng-model="reviewPanel.trackChangesState[user.id]"
-					disabled="!project.features.trackChanges"
-					on-disabled-click="openTrackChangesUpgradeModal"
+					on-toggle="toggleTrackChangesForUser(isOn, user.id);"
 				)
 			li.rp-tc-state-item(ng-repeat="member in project.members")
 				span.rp-tc-state-item-name(
@@ -79,8 +78,7 @@
 				//- {{member._id}}
 				review-panel-toggle(
 					ng-model="reviewPanel.trackChangesState[member._id]"
-					disabled="!project.features.trackChanges"
-					on-disabled-click="openTrackChangesUpgradeModal"
+					on-toggle="toggleTrackChangesForUser(isOn, member._id);"
 				)
 			
 		//- span.review-panel-toolbar-label(ng-if="permissions.write")

services/web/public/coffee/ide/review-panel/controllers/ReviewPanelController.coffee

@@ -610,14 +610,15 @@ define [
 		$scope.toggleTrackChangesForEveryone = (onForEveryone) ->
 			console.log "[toggleTrackChangesForEveryone]", onForEveryone
 			setTrackChangesState(onForEveryone)
-		
+	
+
 		window.toggleTrackChangesForUser = # DEBUG LINE
-		$scope.toggleTrackChangesForUser = (user_id) ->
+		$scope.toggleTrackChangesForUser = (onForUser, userId) ->
+			console.log "[toggleTrackChangesForUser]", onForUser, userId
 			state = $scope.reviewPanel.trackChangesState
-			if state[user_id]?
-				delete state[user_id]
-			else
-				state[user_id] = true
+			state[userId] = onForUser
+			if state[user_id] == false
+				delete state[userId]
 			setTrackChangesState(state)				
 
 		ide.socket.on "toggle-track-changes", (state) ->

services/web/public/coffee/ide/review-panel/directives/reviewPanelToggle.coffee

@@ -4,7 +4,7 @@ define [
 	App.directive "reviewPanelToggle", () ->
 		restrict: "E"
 		scope: 
-			onToggle: '='
+			onToggle: '&'
 			ngModel: '='
 			disabled: '=?'
 			onDisabledClick: '=?'
@@ -12,7 +12,7 @@ define [
 			if !scope.disabled?
 				scope.disabled = false
 			scope.onChange = (args...) ->
-				scope.onToggle(scope.localModel)
+				scope.onToggle({ isOn: scope.localModel })
 			scope.handleClick = () ->
 				if scope.disabled
 					scope.onDisabledClick()