/*!
* jQuery UI Effects Blind 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/blind-effect/
*
* Depends:
* jquery.ui.effect.js
*/
(function( $, undefined ) {

var rvertical = /up|down|vertical/,
rpositivemotion = /up|left|vertical|horizontal/;

$.effects.effect.blind = function( o, done ) {
// Create element
var el = $( this ),
props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
mode = $.effects.setMode( el, o.mode || "hide" ),
direction = o.direction || "up",
vertical = rvertical.test( direction ),
ref = vertical ? "height" : "width",
ref2 = vertical ? "top" : "left",
motion = rpositivemotion.test( direction ),
animation = {},
show = mode === "show",
wrapper, distance, margin;

// if already wrapped, the wrapper's properties are my property. #6245
if ( el.parent().is( ".ui-effects-wrapper" ) ) {
$.effects.save( el.parent(), props );
} else {
$.effects.save( el, props );
}
el.show();
wrapper = $.effects.createWrapper( el ).css({
overflow: "hidden"
});

distance = wrapper[ ref ]();
margin = parseFloat( wrapper.css( ref2 ) ) || 0;

animation[ ref ] = show ? distance : 0;
if ( !motion ) {
el
.css( vertical ? "bottom" : "right", 0 )
.css( vertical ? "top" : "left", "auto" )
.css({ position: "absolute" });

animation[ ref2 ] = show ? margin : distance + margin;
}

// start at 0 if we are showing
if ( show ) {
wrapper.css( ref, 0 );
if ( ! motion ) {
wrapper.css( ref2, margin + distance );
}
}

// Animate
wrapper.animate( animation, {
duration: o.duration,
easing: o.easing,
queue: false,
complete: function() {
if ( mode === "hide" ) {
el.hide();
}
$.effects.restore( el, props );
$.effects.removeWrapper( el );
done();
}
});

};

})(jQuery);