source: main/trunk/greenstone3/web/interfaces/oran/js/jquery-ui-1.8.15/ui/jquery.effects.fold.js@ 24421

/*
 * jQuery UI Effects Fold 1.8.15
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Effects/Fold
 *
 * Depends:
 *  jquery.effects.core.js
 */
(function( $, undefined ) {

$.effects.fold = function(o) {

    return this.queue(function() {

        // Create element
        var el = $(this), props = ['position','top','bottom','left','right'];

        // Set options
        var mode = $.effects.setMode(el, o.options.mode || 'hide'); // Set Mode
        var size = o.options.size || 15; // Default fold size
        var horizFirst = !(!o.options.horizFirst); // Ensure a boolean value
        var duration = o.duration ? o.duration / 2 : $.fx.speeds._default / 2;

        // Adjust
        $.effects.save(el, props); el.show(); // Save & Show
        var wrapper = $.effects.createWrapper(el).css({overflow:'hidden'}); // Create Wrapper
        var widthFirst = ((mode == 'show') != horizFirst);
        var ref = widthFirst ? ['width', 'height'] : ['height', 'width'];
        var distance = widthFirst ? [wrapper.width(), wrapper.height()] : [wrapper.height(), wrapper.width()];
        var percent = /([0-9]+)%/.exec(size);
        if(percent) size = parseInt(percent[1],10) / 100 * distance[mode == 'hide' ? 0 : 1];
        if(mode == 'show') wrapper.css(horizFirst ? {height: 0, width: size} : {height: size, width: 0}); // Shift

        // Animation
        var animation1 = {}, animation2 = {};
        animation1[ref[0]] = mode == 'show' ? distance[0] : size;
        animation2[ref[1]] = mode == 'show' ? distance[1] : 0;

        // Animate
        wrapper.animate(animation1, duration, o.options.easing)
        .animate(animation2, duration, o.options.easing, function() {
            if(mode == 'hide') el.hide(); // Hide
            $.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
            if(o.callback) o.callback.apply(el[0], arguments); // Callback
            el.dequeue();
        });

    });

};

})(jQuery);