jquery.bind-first

jquery bind-first plugin

Version vom 26.11.2014. Aktuellste Version

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greatest.deepsurf.us/scripts/2857/26080/jquerybind-first.js

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// ==UserScript==
// @name           jquery.bind-first
// @namespace      private-face
// @description    jquery bind-first plugin
// @source         https://github.com/private-face/jquery.bind-first
// @copyright      Vladimir Zhuravlev
// @version        0.2.3
// @license        MIT
// ==/UserScript==


/*
 * jQuery.bind-first library v0.2.3
 * Copyright (c) 2013 Vladimir Zhuravlev
 *
 * Released under MIT License
 * @license
 *
 * Date: Thu Feb  6 10:13:59 ICT 2014
 **/
function loadjQueryBindFirst() {

(function($) {
	var splitVersion = $.fn.jquery.split(".");
	var major = parseInt(splitVersion[0]);
	var minor = parseInt(splitVersion[1]);

	var JQ_LT_17 = (major < 1) || (major == 1 && minor < 7);
	
	function eventsData($el) {
		return JQ_LT_17 ? $el.data('events') : $._data($el[0]).events;
	}
	
	function moveHandlerToTop($el, eventName, isDelegated) {
		var data = eventsData($el);
		var events = data[eventName];

		if (!JQ_LT_17) {
			var handler = isDelegated ? events.splice(events.delegateCount - 1, 1)[0] : events.pop();
			events.splice(isDelegated ? 0 : (events.delegateCount || 0), 0, handler);

			return;
		}

		if (isDelegated) {
			data.live.unshift(data.live.pop());
		} else {
			events.unshift(events.pop());
		}
	}
	
	function moveEventHandlers($elems, eventsString, isDelegate) {
		var events = eventsString.split(/\s+/);
		$elems.each(function() {
			for (var i = 0; i < events.length; ++i) {
				var pureEventName = $.trim(events[i]).match(/[^\.]+/i)[0];
				moveHandlerToTop($(this), pureEventName, isDelegate);
			}
		});
	}
	
	function makeMethod(methodName) {
		$.fn[methodName + 'First'] = function() {
			var args = $.makeArray(arguments);
			var eventsString = args.shift();

			if (eventsString) {
				$.fn[methodName].apply(this, arguments);
				moveEventHandlers(this, eventsString);
			}

			return this;
		}
	}

	// bind
	makeMethod('bind');

	// one
	makeMethod('one');

	// delegate
	$.fn.delegateFirst = function() {
		var args = $.makeArray(arguments);
		var eventsString = args[1];
		
		if (eventsString) {
			args.splice(0, 2);
			$.fn.delegate.apply(this, arguments);
			moveEventHandlers(this, eventsString, true);
		}

		return this;
	};

	// live
	$.fn.liveFirst = function() {
		var args = $.makeArray(arguments);

		// live = delegate to the document
		args.unshift(this.selector);
		$.fn.delegateFirst.apply($(document), args);

		return this;
	};
	
	// on (jquery >= 1.7)
	if (!JQ_LT_17) {
		$.fn.onFirst = function(types, selector) {
			var $el = $(this);
			var isDelegated = typeof selector === 'string';

			$.fn.on.apply($el, arguments);

			// events map
			if (typeof types === 'object') {
				for (type in types)
					if (types.hasOwnProperty(type)) {
						moveEventHandlers($el, type, isDelegated);
					}
			} else if (typeof types === 'string') {
				moveEventHandlers($el, types, isDelegated);
			}

			return $el;
		};
	}

})(jQuery);

}
if (window.document.readyState === 'complete') {
	loadjQueryBindFirst();
} else {
	window.addEventListener('load',loadjQueryBindFirst, false);
}