source: Dev/branches/rest-dojo-ui/client/dojo/topic.js @ 256

define(["./Evented"], function(Evented){
        // summary:
        //              The export of this module is a pubsub hub
        //              You can also use listen function itself as a pub/sub hub:
        //              |       topic.subscribe("some/topic", function(event){
        //              |       ... do something with event
        //              |       });
        //              |       topic.publish("some/topic", {name:"some event", ...});

        var hub = new Evented;
        return {
                publish: function(topic, event){
                        // summary:
                        //              Publishes a message to a topic on the pub/sub hub. All arguments after
                        //              the first will be passed to the subscribers, so any number of arguments
                        //              can be provided (not just event).
                        // topic: String
                        //              The name of the topic to publish to
                        // event: Object
                        //              An event to distribute to the topic listeners
                        return hub.emit.apply(hub, arguments);
                },
                subscribe: function(topic, listener){
                        // summary:
                        //              Subcribes to a topic on the pub/sub hub
                        // topic: String
                        //              The topic to subscribe to
                        //      listener: Function
                        //              A function to call when a message is published to the given topic
                        return hub.on.apply(hub, arguments);
                }
        }
});