source: trunk/themes/default/js/ui/jquery.ui.effect-clip.js @ 20824

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

$.effects.effect.clip = function( o, done ) {
        // Create element
        var el = $( this ),
                props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
                mode = $.effects.setMode( el, o.mode || "hide" ),
                show = mode === "show",
                direction = o.direction || "vertical",
                vert = direction === "vertical",
                size = vert ? "height" : "width",
                position = vert ? "top" : "left",
                animation = {},
                wrapper, animate, distance;

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

        // Create Wrapper
        wrapper = $.effects.createWrapper( el ).css({
                overflow: "hidden"
        });
        animate = ( el[0].tagName === "IMG" ) ? wrapper : el;
        distance = animate[ size ]();

        // Shift
        if ( show ) {
                animate.css( size, 0 );
                animate.css( position, distance / 2 );
        }

        // Create Animation Object:
        animation[ size ] = show ? distance : 0;
        animation[ position ] = show ? 0 : distance / 2;

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

};

})(jQuery);