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Added vanilla and underscore versions
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/** | ||
* Pub/Sub for Loosely Coupled logic. | ||
* | ||
* Based on Hiroshi Kuwabara's jQuery version of Peter Higgins' port | ||
* from Dojo to JQuery. | ||
* | ||
* Hiroshi Kuwabara's JQuery version | ||
* https://github.com/kuwabarahiroshi/bloody-jquery-plugins/blob/master/pubsub.js | ||
* | ||
* Peter Higgins' port from Dojo to jQuery | ||
* https://github.com/phiggins42/bloody-jquery-plugins/blob/master/pubsub.js | ||
* | ||
* Perfomance enhanced version based on Luís Couto | ||
* https://github.com/phiggins42/bloody-jquery-plugins/blob/55e41df9bf08f42378bb08b93efcb28555b61aeb/pubsub.js | ||
*/ | ||
var subtopic = (function() { | ||
"use strict"; | ||
var cache = {}, | ||
/** | ||
* Events.publish | ||
* e.g.: Events.publish("/Article/added", [article], this); | ||
* | ||
* @class Events | ||
* @method publish | ||
* @param topic {String} | ||
* @param args {Array} | ||
* @param scope {Object} Optional | ||
*/ | ||
publish = function(topic, args, scope) { | ||
var topics = topic.split('/'); | ||
while (topics[0]) { | ||
if (cache[topic]) { | ||
var thisTopic = cache[topic], | ||
i = thisTopic.length - 1; | ||
|
||
for (i; i >= 0; i -= 1) { | ||
thisTopic[i].apply(scope || this, args || []); | ||
} | ||
} | ||
topics.pop(); | ||
topic = topics.join('/'); | ||
} | ||
}, | ||
/** | ||
* Events.subscribe | ||
* e.g.: Events.subscribe("/Article/added", Articles.validate) | ||
* | ||
* @class Events | ||
* @method subscribe | ||
* @param topic {String} | ||
* @param callback {Function} | ||
* @return Event handler {Array} | ||
*/ | ||
subscribe = function(topic, callback) { | ||
if (!cache[topic]) { | ||
cache[topic] = []; | ||
} | ||
cache[topic].push(callback); | ||
return [topic, callback]; | ||
}, | ||
/** | ||
* Events.unsubscribe | ||
* e.g.: var handle = Events.subscribe("/Article/added", Articles.validate); | ||
* Events.unsubscribe(handle); | ||
* | ||
* @class Events | ||
* @method unsubscribe | ||
* @param handle {Array} | ||
* @param completly {Boolean} | ||
* @return {type description } | ||
*/ | ||
unsubscribe = function(handle, completly) { | ||
var t = handle[0], | ||
i = cache[t].length - 1; | ||
|
||
if (cache[t]) { | ||
for (i; i >= 0; i -= 1) { | ||
if (cache[t][i] === handle[1]) { | ||
cache[t].splice(cache[t][i], 1); | ||
if (completly) { | ||
delete cache[t]; | ||
} | ||
} | ||
} | ||
} | ||
}; | ||
|
||
return { | ||
publish: publish, | ||
subscribe: subscribe, | ||
unsubscribe: unsubscribe | ||
}; | ||
|
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}()); |
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/** | ||
* Underscore Pub/Sub plugin for Loosely Coupled logic. | ||
* | ||
* Based on Hiroshi Kuwabara's jQuery version of Peter Higgins' port | ||
* from Dojo to JQuery. | ||
* | ||
* Hiroshi Kuwabara's JQuery version | ||
* https://github.com/kuwabarahiroshi/bloody-jquery-plugins/blob/master/pubsub.js | ||
* | ||
* Peter Higgins' port from Dojo to jQuery | ||
* https://github.com/phiggins42/bloody-jquery-plugins/blob/master/pubsub.js | ||
* | ||
* Perfomance enhanced version based on Luís Couto | ||
* https://github.com/phiggins42/bloody-jquery-plugins/blob/55e41df9bf08f42378bb08b93efcb28555b61aeb/pubsub.js | ||
*/ | ||
(function(_) { | ||
"use strict"; | ||
var cache = {}, | ||
/** | ||
* Events.publish | ||
* e.g.: Events.publish("/Article/added", [article], this); | ||
* | ||
* @class Events | ||
* @method publish | ||
* @param topic {String} | ||
* @param args {Array} | ||
* @param scope {Object} Optional | ||
*/ | ||
publish = function(topic, args, scope) { | ||
var topics = topic.split('/'); | ||
while (topics[0]) { | ||
if (cache[topic]) { | ||
var thisTopic = cache[topic], | ||
i = thisTopic.length - 1; | ||
|
||
for (i; i >= 0; i -= 1) { | ||
thisTopic[i].apply(scope || this, args || []); | ||
} | ||
} | ||
topics.pop(); | ||
topic = topics.join('/'); | ||
} | ||
}, | ||
/** | ||
* Events.subscribe | ||
* e.g.: Events.subscribe("/Article/added", Articles.validate) | ||
* | ||
* @class Events | ||
* @method subscribe | ||
* @param topic {String} | ||
* @param callback {Function} | ||
* @return Event handler {Array} | ||
*/ | ||
subscribe = function(topic, callback) { | ||
if (!cache[topic]) { | ||
cache[topic] = []; | ||
} | ||
cache[topic].push(callback); | ||
return [topic, callback]; | ||
}, | ||
/** | ||
* Events.unsubscribe | ||
* e.g.: var handle = Events.subscribe("/Article/added", Articles.validate); | ||
* Events.unsubscribe(handle); | ||
* | ||
* @class Events | ||
* @method unsubscribe | ||
* @param handle {Array} | ||
* @param completly {Boolean} | ||
* @return {type description } | ||
*/ | ||
unsubscribe = function(handle, completly) { | ||
var t = handle[0], | ||
i = cache[t].length - 1; | ||
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if (cache[t]) { | ||
for (i; i >= 0; i -= 1) { | ||
if (cache[t][i] === handle[1]) { | ||
cache[t].splice(cache[t][i], 1); | ||
if (completly) { | ||
delete cache[t]; | ||
} | ||
} | ||
} | ||
} | ||
}; | ||
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_.publish = publish; | ||
_.subscribe = subscribe; | ||
_.unsubscribe = unsubscribe; | ||
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}(underscore)); |