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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -56,6 +56,9 @@ | |
| * }); | ||
| * }); | ||
| * | ||
| * TODO replace before done syntax by promises | ||
| * TODO support flow control for all types of events not only before. | ||
| * | ||
| * @author Bertrand Chevrier <[email protected]> | ||
| */ | ||
| define([ | ||
|
|
@@ -155,6 +158,17 @@ define([ | |
| }); | ||
| } | ||
|
|
||
| /** | ||
| * Get the list of events from an eventName string (ie, separated by spaces) | ||
| * @param {String} eventNames - the event strings | ||
| * @returns {String[]} the event list (no empty, no duplicate) | ||
| */ | ||
| function getEventNames(eventNames){ | ||
| if(!_.isString(eventNames) || _.isEmpty(eventNames)){ | ||
| return []; | ||
| } | ||
| return _(eventNames.split(/\s/g)).compact().uniq().value(); | ||
| } | ||
|
|
||
| /** | ||
| * Get the name part of an event name: the 'foo' of 'foo.bar' | ||
|
|
@@ -207,12 +221,14 @@ define([ | |
|
|
||
| /** | ||
| * Get the handlers for an event type | ||
| * @param {String} name - the event name | ||
| * @param {String} ns - the event namespace | ||
| * @param {String} eventName - the event name, namespace included | ||
| * @param {String} [type = 'between'] - the type of event in before, between and after | ||
| * @returns {Function[]} the handlers | ||
| */ | ||
| var getHandlers = function getHandlers(name, ns, type){ | ||
| var getHandlers = function getHandlers(eventName, type){ | ||
| var name = getName(eventName); | ||
| var ns = getNamespace(eventName); | ||
|
|
||
| type = type || 'between'; | ||
| eventHandlers[ns] = eventHandlers[ns] || {}; | ||
| eventHandlers[ns][name] = eventHandlers[ns][name] || getHandlerObject(); | ||
|
|
@@ -232,18 +248,16 @@ define([ | |
| * @example target.on('foo', function(bar){ console.log('Cool ' + bar) } ); | ||
| * | ||
| * @this the target | ||
| * @param {String} eventName - the name of the event to listen | ||
| * @param {String} eventNames- the name of the event, or multiple events separated by a space | ||
| * @param {Function} handler - the callback to run once the event is triggered | ||
| * @returns {Object} the target object | ||
| */ | ||
| on : function on(eventName, handler){ | ||
| var ns = getNamespace(eventName); | ||
| var name = getName(eventName); | ||
|
|
||
| if(typeof handler === 'function'){ | ||
| getHandlers(name, ns).push(handler); | ||
| on : function on(eventNames, handler){ | ||
| if(_.isFunction(handler)){ | ||
| _.forEach(getEventNames(eventNames), function(eventName){ | ||
| getHandlers(eventName).push(handler); | ||
| }); | ||
| } | ||
|
|
||
| return this; | ||
| }, | ||
|
|
||
|
|
@@ -253,25 +267,28 @@ define([ | |
| * @example target.off('foo'); | ||
| * | ||
| * @this the target | ||
| * @param {String} eventName - the name of the event | ||
| * @param {String} eventNames- the name of the event, or multiple events separated by a space | ||
| * @returns {Object} the target object | ||
| */ | ||
| off : function off(eventName){ | ||
| var ns = getNamespace(eventName); | ||
| var name = getName(eventName); | ||
|
|
||
| if(ns && !name){ | ||
| //off the complete namespace | ||
| eventHandlers[ns] = {}; | ||
| } else { | ||
|
|
||
| _.forEach(eventHandlers, function(nsHandlers, namespace){ | ||
| if(nsHandlers[name] && (ns === globalNs || ns === namespace)){ | ||
| nsHandlers[name] = getHandlerObject(); | ||
| } | ||
| }); | ||
| } | ||
| off : function off(eventNames){ | ||
|
|
||
| _.forEach(getEventNames(eventNames), function(eventName){ | ||
|
|
||
| var name = getName(eventName); | ||
| var ns = getNamespace(eventName); | ||
|
|
||
| if(ns && !name){ | ||
| //off the complete namespace | ||
| eventHandlers[ns] = {}; | ||
| } else { | ||
|
|
||
| _.forEach(eventHandlers, function(nsHandlers, namespace){ | ||
| if(nsHandlers[name] && (ns === globalNs || ns === namespace)){ | ||
| nsHandlers[name] = getHandlerObject(); | ||
| } | ||
| }); | ||
| } | ||
| }); | ||
| return this; | ||
| }, | ||
|
|
||
|
|
@@ -281,36 +298,39 @@ define([ | |
| * @example target.trigger('foo', 'Awesome'); | ||
| * | ||
| * @this the target | ||
| * @param {String} eventName - the name of the event to trigger | ||
| * @param {String} eventNames- the name of the event to trigger, or multiple events separated by a space | ||
| * @returns {Object} the target object | ||
| */ | ||
| trigger : function trigger(eventName){ | ||
| trigger : function trigger(eventNames){ | ||
| var self = this; | ||
| var args = [].slice.call(arguments, 1); | ||
| var ns = getNamespace(eventName); | ||
| var name = getName(eventName); | ||
|
|
||
| //check which ns needs to be executed and then merge the handlers to be executed | ||
| var mergedHandlers = _(eventHandlers) | ||
| .filter(function(nsHandlers, namespace){ | ||
| return nsHandlers[name] && (ns === globalNs || ns === namespace); | ||
| }) | ||
| .reduce(function(acc, nsHandlers){ | ||
| acc.before = acc.before.concat(nsHandlers[name].before); | ||
| acc.between = acc.between.concat(nsHandlers[name].between); | ||
| acc.after = acc.after.concat(nsHandlers[name].after); | ||
| return acc; | ||
| }, getHandlerObject()); | ||
|
|
||
| if(mergedHandlers){ | ||
|
|
||
| //if there is something in before we delay the execution | ||
| if(mergedHandlers.before.length){ | ||
| createAsyncCallstack(mergedHandlers.before, self, args, _.partial(triggerEvent, mergedHandlers)); | ||
| } else { | ||
| triggerEvent(mergedHandlers); | ||
|
|
||
| _.forEach(getEventNames(eventNames), function(eventName){ | ||
| var ns = getNamespace(eventName); | ||
| var name = getName(eventName); | ||
|
|
||
| //check which ns needs to be executed and then merge the handlers to be executed | ||
| var mergedHandlers = _(eventHandlers) | ||
| .filter(function(nsHandlers, namespace){ | ||
| return nsHandlers[name] && (ns === globalNs || ns === namespace); | ||
| }) | ||
| .reduce(function(acc, nsHandlers){ | ||
| acc.before = acc.before.concat(nsHandlers[name].before); | ||
| acc.between = acc.between.concat(nsHandlers[name].between); | ||
| acc.after = acc.after.concat(nsHandlers[name].after); | ||
| return acc; | ||
| }, getHandlerObject()); | ||
|
|
||
| if(mergedHandlers){ | ||
|
|
||
| //if there is something in before we delay the execution | ||
| if(mergedHandlers.before.length){ | ||
| createAsyncCallstack(mergedHandlers.before, self, args, _.partial(triggerEvent, mergedHandlers)); | ||
| } else { | ||
| triggerEvent(mergedHandlers); | ||
| } | ||
| } | ||
| } | ||
| }); | ||
|
|
||
| /** | ||
| * Execute the given event handlers (between and then after) | ||
|
|
@@ -341,12 +361,11 @@ define([ | |
| * @param {String} eventName | ||
| * @returns {Object} the target object | ||
| */ | ||
| before : function before(eventName, handler){ | ||
| var ns = getNamespace(eventName); | ||
| var name = getName(eventName); | ||
|
|
||
| if(typeof handler === 'function'){ | ||
| getHandlers(name, ns, 'before').push(handler); | ||
| before : function before(eventNames, handler){ | ||
| if(_.isFunction(handler)) { | ||
| _.forEach(getEventNames(eventNames), function(eventName){ | ||
| getHandlers(eventName, 'before').push(handler); | ||
| }); | ||
| } | ||
| return this; | ||
| }, | ||
|
|
@@ -359,12 +378,11 @@ define([ | |
| * @param {String} eventName | ||
| * @returns {Object} the target object | ||
| */ | ||
| after : function after(eventName, handler){ | ||
| var ns = getNamespace(eventName); | ||
| var name = getName(eventName); | ||
|
|
||
| if(typeof handler === 'function'){ | ||
| getHandlers(name, ns, 'after').push(handler); | ||
| after : function after(eventNames, handler){ | ||
| if(_.isFunction(handler)) { | ||
| _.forEach(getEventNames(eventNames), function(eventName){ | ||
| getHandlers(eventName, 'after').push(handler); | ||
| }); | ||
| } | ||
| return this; | ||
| } | ||
|
|
||
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