// Trigger an event and a corresponding method name. Examples:
//
// `this.triggerMethod("foo")` will trigger the "foo" event and
// call the "onFoo" method.
//
// `this.triggerMethod("foo:bar") will trigger the "foo:bar" event and
// call the "onFooBar" method.
Marionette.triggerMethod = (function(){
// split the event name on the :
var splitter = /(^|:)(\w)/gi;
// take the event section ("section1:section2:section3")
// and turn it in to uppercase name
function getEventName(match, prefix, eventName) {
return eventName.toUpperCase();
}
// actual triggerMethod name
var triggerMethod = function(event) {
// get the method name from the event name
var methodName = 'on' + event.replace(splitter, getEventName);
var method = this[methodName];
// trigger the event
this.trigger.apply(this, arguments);
// call the onMethodName if it exists
if (_.isFunction(method)) {
// pass all arguments, except the event name
return method.apply(this, _.tail(arguments));
}
};
return triggerMethod;
})();
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