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40 aurelien 1
/*
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 * jQuery UI Effects Fold 1.8.5
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 *
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 * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
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 * Dual licensed under the MIT or GPL Version 2 licenses.
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 * http://jquery.org/license
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 *
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 * http://docs.jquery.com/UI/Effects/Fold
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 *
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 * Depends:
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 *	jquery.effects.core.js
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 */
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(function( $, undefined ) {
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$.effects.fold = function(o) {
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	return this.queue(function() {
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		// Create element
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		var el = $(this), props = ['position','top','left'];
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		// Set options
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		var mode = $.effects.setMode(el, o.options.mode || 'hide'); // Set Mode
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		var size = o.options.size || 15; // Default fold size
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		var horizFirst = !(!o.options.horizFirst); // Ensure a boolean value
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		var duration = o.duration ? o.duration / 2 : $.fx.speeds._default / 2;
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		// Adjust
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		$.effects.save(el, props); el.show(); // Save & Show
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		var wrapper = $.effects.createWrapper(el).css({overflow:'hidden'}); // Create Wrapper
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		var widthFirst = ((mode == 'show') != horizFirst);
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		var ref = widthFirst ? ['width', 'height'] : ['height', 'width'];
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		var distance = widthFirst ? [wrapper.width(), wrapper.height()] : [wrapper.height(), wrapper.width()];
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		var percent = /([0-9]+)%/.exec(size);
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		if(percent) size = parseInt(percent[1],10) / 100 * distance[mode == 'hide' ? 0 : 1];
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		if(mode == 'show') wrapper.css(horizFirst ? {height: 0, width: size} : {height: size, width: 0}); // Shift
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		// Animation
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		var animation1 = {}, animation2 = {};
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		animation1[ref[0]] = mode == 'show' ? distance[0] : size;
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		animation2[ref[1]] = mode == 'show' ? distance[1] : 0;
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		// Animate
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		wrapper.animate(animation1, duration, o.options.easing)
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		.animate(animation2, duration, o.options.easing, function() {
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			if(mode == 'hide') el.hide(); // Hide
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			$.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
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			if(o.callback) o.callback.apply(el[0], arguments); // Callback
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			el.dequeue();
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		});
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	});
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};
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})(jQuery);