1 /*

     2  * jQuery UI Effects Shake 1.8.1

     3  *

     4  * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)

     5  * Dual licensed under the MIT (MIT-LICENSE.txt)

     6  * and GPL (GPL-LICENSE.txt) licenses.

     7  *

     8  * http://docs.jquery.com/UI/Effects/Shake

     9  *

    10  * Depends:

    11  *	jquery.effects.core.js

    12  */

    13 (function($) {

    14 

    15 $.effects.shake = function(o) {

    16 

    17 	return this.queue(function() {

    18 

    19 		// Create element

    20 		var el = $(this), props = ['position','top','left'];

    21 

    22 		// Set options

    23 		var mode = $.effects.setMode(el, o.options.mode || 'effect'); // Set Mode

    24 		var direction = o.options.direction || 'left'; // Default direction

    25 		var distance = o.options.distance || 20; // Default distance

    26 		var times = o.options.times || 3; // Default # of times

    27 		var speed = o.duration || o.options.duration || 140; // Default speed per shake

    28 

    29 		// Adjust

    30 		$.effects.save(el, props); el.show(); // Save & Show

    31 		$.effects.createWrapper(el); // Create Wrapper

    32 		var ref = (direction == 'up' || direction == 'down') ? 'top' : 'left';

    33 		var motion = (direction == 'up' || direction == 'left') ? 'pos' : 'neg';

    34 

    35 		// Animation

    36 		var animation = {}, animation1 = {}, animation2 = {};

    37 		animation[ref] = (motion == 'pos' ? '-=' : '+=')  + distance;

    38 		animation1[ref] = (motion == 'pos' ? '+=' : '-=')  + distance * 2;

    39 		animation2[ref] = (motion == 'pos' ? '-=' : '+=')  + distance * 2;

    40 

    41 		// Animate

    42 		el.animate(animation, speed, o.options.easing);

    43 		for (var i = 1; i < times; i++) { // Shakes

    44 			el.animate(animation1, speed, o.options.easing).animate(animation2, speed, o.options.easing);

    45 		};

    46 		el.animate(animation1, speed, o.options.easing).

    47 		animate(animation, speed / 2, o.options.easing, function(){ // Last shake

    48 			$.effects.restore(el, props); $.effects.removeWrapper(el); // Restore

    49 			if(o.callback) o.callback.apply(this, arguments); // Callback

    50 		});

    51 		el.queue('fx', function() { el.dequeue(); });

    52 		el.dequeue();

    53 	});

    54 

    55 };

    56 

    57 })(jQuery);