From a90c2826489e166ee641913ec7c94ed641a0b4d4 Mon Sep 17 00:00:00 2001
From: Chris Hallberg <crhallberg@gmail.com>
Date: Wed, 11 Oct 2017 17:01:55 -0400
Subject: [PATCH] Add centralized event methods to VuFind object. Useful for JS
objectification.
---
themes/bootstrap3/js/common.js | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/themes/bootstrap3/js/common.js b/themes/bootstrap3/js/common.js
index a7c50bcd250..b88af888756 100644
--- a/themes/bootstrap3/js/common.js
+++ b/themes/bootstrap3/js/common.js
@@ -2,7 +2,7 @@
/*exported VuFind, htmlEncode, deparam, moreFacets, lessFacets, getUrlRoot, phoneNumberFormHandler, recaptchaOnLoad, resetCaptcha, bulkFormHandler */
// IE 9< console polyfill
-window.console = window.console || {log: function polyfillLog() {}};
+window.console = window.console || { log: function polyfillLog() {} };
var VuFind = (function VuFind() {
var defaultSearchBackend = null;
@@ -11,6 +11,22 @@ var VuFind = (function VuFind() {
var _submodules = [];
var _translations = {};
+ // Emit a custom event
+ // Recommendation: prefix with vf-
+ var emit = function emit(name, detail) {
+ if (typeof detail === 'undefined') {
+ document.dispatchEvent(new Event(name));
+ } else {
+ var event = document.createEvent('CustomEvent');
+ event.initCustomEvent(name, true, true, detail); // name, canBubble, cancelable, detail
+ document.dispatchEvent(event);
+ }
+ };
+ // Listen shortcut to put everyone on the same element
+ var listen = function listen(name, func) {
+ document.addEventListener(name, func, false);
+ };
+
var register = function register(name, module) {
if (_submodules.indexOf(name) === -1) {
_submodules.push(name);
@@ -73,6 +89,8 @@ var VuFind = (function VuFind() {
addTranslations: addTranslations,
init: init,
+ emit: emit,
+ listen: listen,
refreshPage: refreshPage,
register: register,
translate: translate
--
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