mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
52 lines
1.5 KiB
JavaScript
52 lines
1.5 KiB
JavaScript
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(function($){
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/**
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* Add focusin and focusout support to bind and live for browers other than IE. Designed to be usable in a delegated fashion (like $.live)
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* Copyright (c) 2007 Jörn Zaefferer
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*/
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if ($.support.focusinBubbles === undefined) {
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$.support.focusinBubbles = !!($.browser.msie);
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}
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if (!$.support.focusinBubbles && !$.event.special.focusin) {
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// Emulate focusin and focusout by binding focus and blur in capturing mode
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$.each({focus: 'focusin', blur: 'focusout'}, function(original, fix){
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$.event.special[fix] = {
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setup: function(){
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if (!this.addEventListener) return false;
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this.addEventListener(original, $.event.special[fix].handler, true);
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},
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teardown: function(){
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if (!this.removeEventListener) return false;
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this.removeEventListener(original, $.event.special[fix].handler, true);
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},
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handler: function(e){
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arguments[0] = $.event.fix(e);
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arguments[0].type = fix;
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return $.event.handle.apply(this, arguments);
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}
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};
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});
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}
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(function(){
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//IE has some trouble with focusout with select and keyboard navigation
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var activeFocus = null;
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$(document)
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.bind('focusin', function(e){
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var target = e.realTarget || e.target;
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if (activeFocus && activeFocus !== target) {
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e.type = 'focusout';
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$(activeFocus).trigger(e);
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e.type = 'focusin';
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e.target = target;
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}
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activeFocus = target;
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})
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.bind('focusout', function(e){
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activeFocus = null;
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});
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})();
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})(jQuery);
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