/**
* Small plugin to make toggling the visibility of certain parts of a page
* easier.
*
* @package jCollapser
* @author Peter Halasz <skinner@gmail.com>
* @license http://www.gnu.org/licenses/gpl-3.0.txt GPL v3.0
* @copyright (c) 2008-2009, Peter Halasz all rights reserved.
*/
(function($) {
/**
* Sets up the functionality.
*
* Options
*
* 'container' : Sets the parent element which contains the one we want to
* collapse
*
* 'target' : The actual element that will collapse or expand
* 'state' : The initial state we want it to be in
* Valid values: collapsed, expanded
*
* <sample>
* var options = {
* container: '#container',
* target: '#collapse_element',
* state: 'collapsed'
* }
* </sample>
*
* @access public
* @return void
*/
$.fn.jcollapser = function(options) {

var $this = $(this)[0];

var settings = $.extend({}, $.fn.jcollapser.defaults, options);

if(typeof(options.container) == 'undefined') {
settings.container = "#" + $this.id;
}

$.fn.jcollapser.settings[$this.id] = settings;

$(settings.container + " > .collapse").bind("click", {}, $.fn.jcollapser.toggleState);
$(settings.container + " > .expand").bind("click", {}, $.fn.jcollapser.toggleState);

/* State from the cookie*/
var $state = $.cookie('jcollapser_' + settings.target.replace(/#/,''));

if($state == 'collapsed') {
$(settings.container + ' > .collapse').css("display","none");
$(settings.container + ' > .expand').css("display","block");
$(settings.target).hide();
} else if($state == null) {
/*
* If we set the state at init time and no state in the cookie
* then use the init setting.
*/
if(settings.state != '' && settings.state == 'collapsed') {
$(settings.container + ' > .collapse').css("display","none");
$(settings.container + ' > .expand').css("display","block");
$(settings.target).hide();
}
}
};

$.fn.jcollapser.toggleState = function() {
var $parent = $(this).parents().get(0).id;
var settings = $(this).jcollapser.settings[$parent];

if( $(settings.container + ' > .collapse').css("display") == "none" ) {
$(settings.container + ' > .collapse').css("display","block");
$.cookie('jcollapser_' + settings.target.replace(/#/,''), 'expanded', { path: '/', expires: 365 });
} else {
$(settings.container + ' > .collapse').css("display","none");
}

if( $(settings.container + ' > .expand').css("display") == "none" ) {
$(settings.container + ' > .expand').css("display","block");
$.cookie('jcollapser_' + settings.target.replace(/#/,''), 'collapsed', { path: '/', expires: 365 });
} else {
$(settings.container + ' > .expand').css("display","none");
}

$(settings.target).slideToggle("1000");
}

$.fn.jcollapser.settings = {};

$.fn.jcollapser.defaults = {
container: '#example',
target: '#data',
state: ''
};
})(jQuery);