Athou_commafeed/src/main/webapp/directives/category.html

<span> <input type="checkbox" checked="checked" /> 
	<label ng-click="categoryClick({id: node.id})"
		   ng-class="{selected: (node.id == selectedId && selectedType == 'category')}">{{node.name}}
	</label>
	<ul>
		<li ng-repeat="feed in node.feeds">
			<a ng-click="feedClick({id: feed.id})"
			   ng-class="{selected: (feed.id == selectedId && selectedType == 'feed')}">{{feed.name}}
			</a>
		</li>
	</ul>
</span>