/*************************************************
*
*	project:  	liteTabs - Lightweight jQuery tabs plugin
*	author:   	Nicola Hibbert
*	url:	  	http://nicolahibbert.com/lightweight-jquery-tab-plugin/
*	demo:	  	http://www.nicolahibbert.com/demo/liteTabs/
*
*	Version:  	0.1.0
*	Copyright: 	(c) 2010-2011 Nicola Hibbert
*	License: 	MIT
*
/*************************************************/
;(function($) {

	$.fn.liteTabs = function(options) {
		
		// defaults
		var defaults = {
			borders : false,
			boxed : false,
			colourScheme : false,
			fadeIn : false,
			height : 'auto',
			hideHash : false,
			rounded : false,
			selectedTab : 1,
			width : 960		
		},
		
		// merge defaults with options in new settings object
		settings = $.extend({}, defaults, options),
				
		// define key variables
		$this = this,
		$ul = $this.children('ul'),
		$tab = $ul.find('a'),
		$div = $('> div', $this);

		// set liteTabs class for css & set optional overall width
		$this.addClass('liteTabs').width(settings.width);

		// option: set overall height
		$div.css({
			height : settings.height,
			width : settings.width - 0, // rewrite
			position : 'absolute',
			left : -9999
		});

		// on tab click...
		$tab.click(function(e) {
			var filterHash = $div.removeClass('selected').filter('[name=' + this.hash + ']');
			
			// defaults: add selected class to tab
			$tab.removeClass('selected').filter(this).addClass('selected');

			// option: fade in divs
			(settings.fadeIn) ? filterHash.hide().addClass('selected').fadeIn() : filterHash.addClass('selected');

			// option: hide hash change
			settings.hideHash && e.preventDefault();

		});	

		// option: set selected tab
		settings.selectedTab && $tab.eq(settings.selectedTab - 1).click();

		// option: set rounded corners
		settings.rounded && $this.addClass('rounded');

		// option: set borders
		settings.borders && $this.addClass('borders') && $div.width($div.width() - 2); // rewrite

		// option: set boxed
		settings.boxed && $this.addClass('boxed');

		return $this;
		
		// TODO: need to enable back button support
	};

})(jQuery);