/* -------------------------------------------------- *
* Collapsorz 1.1
* Updated: 04/21/09
* -------------------------------------------------- *
* Author: Aaron Kuzemchak
* URL: http://aaronkuzemchak.com/
* Copyright: 2008-2009 Aaron Kuzemchak
* License: MIT License
** -------------------------------------------------- */

(function($) {
$.fn.collapsorz = function(options) {
// default settings
var defaults = {
toggle: "> *", // elements inside the object to toggle
minimum: 5, // number to show in collapsed form
showText: "Show", // text for the expand link
hideText: "Hide", // text for the collapse link
linkLocation: "after", // use "after" or "before" to determine where link displays
defaultState: "collapsed", // use "collapsed" or "expanded" to show or hide items by default
wrapLink: null // specify HTML code to wrap around the link
};
var options = $.extend(defaults, options);

return this.each(function() {
// only execute if there are more than minimum items
if($(options.toggle, this).length > options.minimum) {
// setup variables
var $obj = $(this);
var $targets = $(options.toggle, this);

// hide the items if necessary
if(options.defaultState == "collapsed") {
$targets.filter(":gt("+(options.minimum-1)+")").hide();
}

// append/prepend the toggle link to the object
var $toggler = $('<a href="#" class="toggler"></a>');
if(options.linkLocation == "before") {
$obj.before($toggler);
}
else {
$obj.after($toggler);
}
if(options.wrapLink) {
$toggler.wrap(options.wrapLink);
}

// set data, link class, and link text
if(options.defaultState == "expanded") {
$obj.data("status", "expanded");
$toggler.addClass("expanded");
$toggler.html(options.hideText);
}
else {
$obj.data("status", "collapsed");
$toggler.addClass("collapsed");
$toggler.html(options.showText);
}

// click actions
$toggler.click(function() {
if($obj.data("status") == "collapsed") {
$targets.filter(":hidden").show();
$toggler.html(options.hideText);
$obj.data("status", "expanded");
}
else if($obj.data("status") == "expanded") {
$targets.filter(":gt("+(options.minimum-1)+")").hide();
$toggler.html(options.showText);
$obj.data("status", "collapsed");
}
$(this).toggleClass("collapsed").toggleClass("expanded");
return false;
});
}
});
}
})(jQuery);