Restore IE8 functionality for Isis

administrator/templates/isis/component.php

@@ -20,6 +20,9 @@
 // Add JavaScript Frameworks
 JHtml::_('bootstrap.framework');
 
+// Add filter polyfill for IE8
+JHtml::_('behavior.polyfill', array('filter'), 'lte IE 9');
+
 // Add template js
 JHtml::_('script', 'template.js', array('version' => 'auto', 'relative' => true));
 

administrator/templates/isis/index.php

@@ -27,6 +27,9 @@
 // Add JavaScript Frameworks
 JHtml::_('bootstrap.framework');
 
+// Add filter polyfill for IE8
+JHtml::_('behavior.polyfill', array('filter'), 'lte IE 9');
+
 // Add template js
 JHtml::_('script', 'template.js', array('version' => 'auto', 'relative' => true));
 

media/media/js/mediafield.js

@@ -9,6 +9,31 @@
 ;(function($){
 	'use strict';
 
+	if (!Function.prototype.bind) {
+		Function.prototype.bind = function(oThis) {
+			if (typeof this !== 'function') {
+				// closest thing possible to the ECMAScript 5
+				// internal IsCallable function
+				throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
+			}
+
+			var aArgs   = Array.prototype.slice.call(arguments, 1),
+			    fToBind = this,
+			    fNOP    = function() {},
+			    fBound  = function() {
+				    return fToBind.apply(this instanceof fNOP && oThis
+						    ? this
+						    : oThis,
+					    aArgs.concat(Array.prototype.slice.call(arguments)));
+			    };
+
+			fNOP.prototype = this.prototype;
+			fBound.prototype = new fNOP();
+
+			return fBound;
+		};
+	}
+
 	$.fieldMedia = function(container, options){
 		// Merge options with defaults
 		this.options = $.extend({}, $.fieldMedia.defaults, options);

media/system/js/permissions-uncompressed.js

@@ -74,8 +74,9 @@ function sendPermissions(event) {
 			{
 				icon.setAttribute('class', 'icon-save');
 
-				jQuery(event.target).parents().next('td').find('span')
-					.removeClass().addClass(response.data.class)
+				jQuery(event.target).parents().next("td").find("span")
+					.removeClass()
+					.addClass(response['data']['class'])
 					.html(response.data.text);
 			}
 		}

media/system/js/polyfill.filter-uncompressed.js

@@ -0,0 +1,45 @@
+/* Polyfill service v3.14.0
+ * For detailed credits and licence information see https://github.com/financial-times/polyfill-service.
+ * 
+ * UA detected: ie/8.0.0
+ * Features requested: Array.prototype.filter
+ * 
+ * - Array.prototype.filter, License: CC0 */
+
+(function(undefined) {
+if (!('filter' in Array.prototype)) {
+
+// Array.prototype.filter
+Array.prototype.filter = function filter(callback) {
+	if (this === undefined || this === null) {
+		throw new TypeError(this + ' is not an object');
+	}
+
+	if (!(callback instanceof Function)) {
+		throw new TypeError(callback + ' is not a function');
+	}
+
+	var
+	object = Object(this),
+	scope = arguments[1],
+	arraylike = object instanceof String ? object.split('') : object,
+	length = Math.max(Math.min(arraylike.length, 9007199254740991), 0) || 0,
+	index = -1,
+	result = [],
+	element;
+
+	while (++index < length) {
+		element = arraylike[index];
+
+		if (index in arraylike && callback.call(scope, element, index, object)) {
+			result.push(element);
+		}
+	}
+
+	return result;
+};
+
+}
+
+})
+.call('object' === typeof window && window || 'object' === typeof self && self || 'object' === typeof global && global || {});