jquery-ui/ui/jquery.ui.effect-drop.js

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/*!
* jQuery UI Effects Drop @VERSION
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* http://jqueryui.com
*
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* Copyright 2012 jQuery Foundation and other contributors
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* http://docs.jquery.com/UI/Effects/Drop
*
* Depends:
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* jquery.ui.effect.js
*/
(function( $, undefined ) {
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$.effects.effect.drop = function( o, done ) {
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var el = $( this ),
props = [ "position", "top", "bottom", "left", "right", "opacity", "height", "width" ],
mode = $.effects.setMode( el, o.mode || "hide" ),
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show = mode === "show",
direction = o.direction || "left",
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ref = ( direction === "up" || direction === "down" ) ? "top" : "left",
motion = ( direction === "up" || direction === "left" ) ? "pos" : "neg",
animation = {
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opacity: show ? 1 : 0
},
distance;
// Adjust
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$.effects.save( el, props );
el.show();
$.effects.createWrapper( el );
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distance = o.distance || el[ ref === "top" ? "outerHeight": "outerWidth" ]({ margin: true }) / 2;
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if ( show ) {
el
.css( "opacity", 0 )
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.css( ref, motion === "pos" ? -distance : distance );
}
// Animation
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animation[ ref ] = ( show ?
( motion === "pos" ? "+=" : "-=" ) :
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( motion === "pos" ? "-=" : "+=" ) ) +
distance;
// Animate
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el.animate( animation, {
queue: false,
duration: o.duration,
easing: o.easing,
complete: function() {
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if ( mode === "hide" ) {
el.hide();
}
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$.effects.restore( el, props );
$.effects.removeWrapper( el );
done();
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}
});
};
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})(jQuery);