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(function ($) {
$.fn.collapsible = function(options, methodParam) {
var defaults = {
accordion: undefined,
onOpen: undefined,
onClose: undefined
};
var methodName = options;
options = $.extend(defaults, options);
return this.each(function() {
var $this = $(this);
var $panel_headers = $(this).find('> li > .collapsible-header');
var collapsible_type = $this.data("collapsible");
/****************
Helper Functions
****************/
// Accordion Open
function accordionOpen(object) {
$panel_headers = $this.find('> li > .collapsible-header');
if (object.hasClass('active')) {
object.parent().addClass('active');
}
else {
object.parent().removeClass('active');
}
if (object.parent().hasClass('active')){
object.siblings('.collapsible-body').stop(true,false).slideDown({ duration: 350, easing: "easeOutQuart", queue: false, complete: function() {$(this).css('height', '');}});
}
else{
object.siblings('.collapsible-body').stop(true,false).slideUp({ duration: 350, easing: "easeOutQuart", queue: false, complete: function() {$(this).css('height', '');}});
}
$panel_headers.not(object).removeClass('active').parent().removeClass('active');
// Close previously open accordion elements.
$panel_headers.not(object).parent().children('.collapsible-body').stop(true,false).each(function() {
if ($(this).is(':visible')) {
$(this).slideUp({
duration: 350,
easing: "easeOutQuart",
queue: false,
complete:
function() {
$(this).css('height', '');
execCallbacks($(this).siblings('.collapsible-header'));
}
});
}
});
}
// Expandable Open
function expandableOpen(object) {
if (object.hasClass('active')) {
object.parent().addClass('active');
}
else {
object.parent().removeClass('active');
}
if (object.parent().hasClass('active')){
object.siblings('.collapsible-body').stop(true,false).slideDown({ duration: 350, easing: "easeOutQuart", queue: false, complete: function() {$(this).css('height', '');}});
}
else {
object.siblings('.collapsible-body').stop(true,false).slideUp({ duration: 350, easing: "easeOutQuart", queue: false, complete: function() {$(this).css('height', '');}});
}
}
// Open collapsible. object: .collapsible-header
function collapsibleOpen(object, noToggle) {
if (!noToggle) {
object.toggleClass('active');
}
if (options.accordion || collapsible_type === "accordion" || collapsible_type === undefined) { // Handle Accordion
accordionOpen(object);
} else { // Handle Expandables
expandableOpen(object);
}
execCallbacks(object);
}
// Handle callbacks
function execCallbacks(object) {
if (object.hasClass('active')) {
if (typeof(options.onOpen) === "function") {
options.onOpen.call(this, object.parent());
}
} else {
if (typeof(options.onClose) === "function") {
options.onClose.call(this, object.parent());
}
}
}
/**
* Check if object is children of panel header
* @param {Object} object Jquery object
* @return {Boolean} true if it is children
*/
function isChildrenOfPanelHeader(object) {
var panelHeader = getPanelHeader(object);
return panelHeader.length > 0;
}
/**
* Get panel header from a children element
* @param {Object} object Jquery object
* @return {Object} panel header object
*/
function getPanelHeader(object) {
return object.closest('li > .collapsible-header');
}
// Turn off any existing event handlers
function removeEventHandlers() {
$this.off('click.collapse', '> li > .collapsible-header');
}
/***** End Helper Functions *****/
// Methods
if (methodName === 'destroy') {
removeEventHandlers();
return;
} else if (methodParam >= 0 &&
methodParam < $panel_headers.length) {
var $curr_header = $panel_headers.eq(methodParam);
if ($curr_header.length &&
(methodName === 'open' ||
(methodName === 'close' &&
$curr_header.hasClass('active')))) {
collapsibleOpen($curr_header);
}
return;
}
removeEventHandlers();
// Add click handler to only direct collapsible header children
$this.on('click.collapse', '> li > .collapsible-header', function(e) {
var element = $(e.target);
if (isChildrenOfPanelHeader(element)) {
element = getPanelHeader(element);
}
collapsibleOpen(element);
});
// Open first active
if (options.accordion || collapsible_type === "accordion" || collapsible_type === undefined) { // Handle Accordion
collapsibleOpen($panel_headers.filter('.active').first(), true);
} else { // Handle Expandables
$panel_headers.filter('.active').each(function() {
collapsibleOpen($(this), true);
});
}
});
};
$(document).ready(function(){
$('.collapsible').collapsible();
});
}( jQuery ));
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