1 /*

     2  * jQuery UI Effects Fold 1.8.1

     3  *

     4  * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)

     5  * Dual licensed under the MIT (MIT-LICENSE.txt)

     6  * and GPL (GPL-LICENSE.txt) licenses.

     7  *

     8  * http://docs.jquery.com/UI/Effects/Fold

     9  *

    10  * Depends:

    11  *	jquery.effects.core.js

    12  */

    13 (function($) {

    14 

    15 $.effects.fold = function(o) {

    16 

    17 	return this.queue(function() {

    18 

    19 		// Create element

    20 		var el = $(this), props = ['position','top','left'];

    21 

    22 		// Set options

    23 		var mode = $.effects.setMode(el, o.options.mode || 'hide'); // Set Mode

    24 		var size = o.options.size || 15; // Default fold size

    25 		var horizFirst = !(!o.options.horizFirst); // Ensure a boolean value

    26 		var duration = o.duration ? o.duration / 2 : $.fx.speeds._default / 2;

    27 

    28 		// Adjust

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

    30 		var wrapper = $.effects.createWrapper(el).css({overflow:'hidden'}); // Create Wrapper

    31 		var widthFirst = ((mode == 'show') != horizFirst);

    32 		var ref = widthFirst ? ['width', 'height'] : ['height', 'width'];

    33 		var distance = widthFirst ? [wrapper.width(), wrapper.height()] : [wrapper.height(), wrapper.width()];

    34 		var percent = /([0-9]+)%/.exec(size);

    35 		if(percent) size = parseInt(percent[1],10) / 100 * distance[mode == 'hide' ? 0 : 1];

    36 		if(mode == 'show') wrapper.css(horizFirst ? {height: 0, width: size} : {height: size, width: 0}); // Shift

    37 

    38 		// Animation

    39 		var animation1 = {}, animation2 = {};

    40 		animation1[ref[0]] = mode == 'show' ? distance[0] : size;

    41 		animation2[ref[1]] = mode == 'show' ? distance[1] : 0;

    42 

    43 		// Animate

    44 		wrapper.animate(animation1, duration, o.options.easing)

    45 		.animate(animation2, duration, o.options.easing, function() {

    46 			if(mode == 'hide') el.hide(); // Hide

    47 			$.effects.restore(el, props); $.effects.removeWrapper(el); // Restore

    48 			if(o.callback) o.callback.apply(el[0], arguments); // Callback

    49 			el.dequeue();

    50 		});

    51 

    52 	});

    53 

    54 };

    55 

    56 })(jQuery);