/*
 * Accordion 1.5 - jQuery menu widget
 *
 * Copyright (c) 2007 Jörn Zaefferer, Frank Marcia
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-accordion/
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Revision: $Id: jquery.accordion.js 3916 2007-11-24 16:26:37Z joern.zaefferer $
 *
 */

(function($) { $.ui = $.ui || {}; $.ui.accordion = {}; $.extend($.ui.accordion, { defaults: { selectedClass: "selected", alwaysOpen: true, animated: 'slide', event: "click", header: "a", autoheight: true
}, animations: { slide: function(settings, additions) { settings = $.extend({ easing: "swing", duration: 300
}, settings, additions); if ( !settings.toHide.size() ) { settings.toShow.animate({height: "show"}, { duration: settings.duration, easing: settings.easing, complete: settings.finished
}); return;}
var hideHeight = settings.toHide.height(), showHeight = settings.toShow.height(), difference = showHeight / hideHeight; settings.toShow.css({ height: 0, overflow: 'hidden' }).show(); settings.toHide.filter(":hidden").each(settings.finished).end().filter(":visible").animate({height:"hide"},{ step: function(now){ settings.toShow.height((hideHeight - (now)) * difference );}, duration: settings.duration, easing: settings.easing, complete: settings.finished
});}, bounceslide: function(settings) { this.slide(settings, { easing: settings.down ? "bounceout" : "swing", duration: settings.down ? 1000 : 200
});}, easeslide: function(settings) { this.slide(settings, { easing: "easeinout", duration: 700
})
}
}
}); $.fn.extend({ accordion: function(settings) { if ( !this.length )
return this; settings = $.extend({}, $.ui.accordion.defaults, settings); if ( settings.navigation ) { var current = this.find("a").filter(function() { return this.href == location.href;}); if ( current.length ) { if ( current.filter(settings.header).length ) { settings.active = current;} else { settings.active = current.parent().parent().prev(); current.addClass("current");}
}
}
var container = this, headers = container.find(settings.header), active = findActive(settings.active), running = 0; if ( settings.fillSpace ) { var maxHeight = this.parent().height(); headers.each(function() { maxHeight -= $(this).outerHeight();}); var maxPadding = 0; headers.next().each(function() { maxPadding = Math.max(maxPadding, $(this).innerHeight() - $(this).height());}).height(maxHeight - maxPadding);} else if ( settings.autoheight ) { var maxHeight = 0; headers.next().each(function() { maxHeight = Math.max(maxHeight, $(this).outerHeight());}).height(maxHeight);}
headers
.not(active || "")
.next()
.hide(); active.parent().andSelf().addClass(settings.selectedClass); function findActive(selector) { return selector != undefined
? typeof selector == "number"
? headers.filter(":eq(" + selector + ")")
: headers.not(headers.not(selector))
: selector === false
? $("<div>")
: headers.filter(":eq(0)");}
function toggle(toShow, toHide, data, clickedActive, down) { var finished = function(cancel) { running = cancel ? 0 : --running; if ( running )
return; container.trigger("change", data);}; running = toHide.size() == 0 ? toShow.size() : toHide.size(); if ( settings.animated ) { if ( !settings.alwaysOpen && clickedActive ) { toShow.slideToggle(settings.animated); finished(true);} else { $.ui.accordion.animations[settings.animated]({ toShow: toShow, toHide: toHide, finished: finished, down: down
});}
} else { if ( !settings.alwaysOpen && clickedActive ) { toShow.toggle();} else { toHide.hide(); toShow.show();}
finished(true);}
}
function clickHandler(event) { if ( !event.target && !settings.alwaysOpen ) { active.parent().andSelf().toggleClass(settings.selectedClass); var toHide = active.next(); var toShow = active = $([]); toggle( toShow, toHide ); return;}
var clicked = $(event.target); if ( clicked.parents(settings.header).length )
while ( !clicked.is(settings.header) )
clicked = clicked.parent(); var clickedActive = clicked[0] == active[0]; if(running || (settings.alwaysOpen && clickedActive) || !clicked.is(settings.header))
return; active.parent().andSelf().toggleClass(settings.selectedClass); if ( !clickedActive ) { clicked.parent().andSelf().addClass(settings.selectedClass);}
var toShow = clicked.next(), toHide = active.next(), data = [clicked, active, toShow, toHide], down = headers.index( active[0] ) > headers.index( clicked[0] ); active = clickedActive ? $([]) : clicked; toggle( toShow, toHide, data, clickedActive, down ); return false;}; function activateHandler(event, index) { if ( arguments.length == 1 )
return; clickHandler({ target: findActive(index)[0]
});}; return container
.bind(settings.event || "", clickHandler)
.bind("activate", activateHandler);}, activate: function(index) { return this.trigger('activate', [index]);}, unaccordion: function() { return this.find("*").andSelf().unbind().end().end();}
});})(jQuery);