/*!
* jQuery UI Effects Shake 1.10.1
* http://jqueryui.com
*
* Copyright 2013 jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://api.jqueryui.com/shake-effect/
*
* Depends:
* jquery.ui.effect.js
*/
(function( $, undefined ) {

$.effects.effect.shake = function( o, done ) {

var el = $( this ),
props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
mode = $.effects.setMode( el, o.mode || "effect" ),
direction = o.direction || "left",
distance = o.distance || 20,
times = o.times || 3,
anims = times * 2 + 1,
speed = Math.round(o.duration/anims),
ref = (direction === "up" || direction === "down") ? "top" : "left",
positiveMotion = (direction === "up" || direction === "left"),
animation = {},
animation1 = {},
animation2 = {},
i,

// we will need to re-assemble the queue to stack our animations in place
queue = el.queue(),
queuelen = queue.length;

$.effects.save( el, props );
el.show();
$.effects.createWrapper( el );

// Animation
animation[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance;
animation1[ ref ] = ( positiveMotion ? "+=" : "-=" ) + distance * 2;
animation2[ ref ] = ( positiveMotion ? "-=" : "+=" ) + distance * 2;

// Animate
el.animate( animation, speed, o.easing );

// Shakes
for ( i = 1; i < times; i++ ) {
el.animate( animation1, speed, o.easing ).animate( animation2, speed, o.easing );
}
el
.animate( animation1, speed, o.easing )
.animate( animation, speed / 2, o.easing )
.queue(function() {
if ( mode === "hide" ) {
el.hide();
}
$.effects.restore( el, props );
$.effects.removeWrapper( el );
done();
});

// inject all the animations we just queued to be first in line (after "inprogress")
if ( queuelen > 1) {
queue.splice.apply( queue,
[ 1, 0 ].concat( queue.splice( queuelen, anims + 1 ) ) );
}
el.dequeue();

};

})(jQuery);