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(function($) {
FLBuilderAccordion = function( settings )
{
this.settings = settings;
this.nodeClass = '.fl-node-' + settings.id;
this.wasToggled = false;
this.expandOnTab = settings.expandOnTab;
this._init();
};
FLBuilderAccordion.prototype = {
settings : {},
nodeClass : '',
wasToggled : false,
expandOnTab : false,
_init: function()
{
$( this.nodeClass + ' .fl-accordion-button' ).on('click', $.proxy( this._buttonClick, this ) );
$( this.nodeClass + ' .fl-accordion-button' ).on('keypress', $.proxy( this._buttonClick, this ) );
$( this.nodeClass + ' .fl-accordion-button-label' ).on('focusin', $.proxy( this._labelFocusIn, this ) );
$( this.nodeClass + ' .fl-accordion-button' ).on('focusout', $.proxy( this._focusOut, this ) );
if ( 'undefined' !== typeof FLBuilderLayout ) {
FLBuilderLayout.preloadAudio( this.nodeClass + ' .fl-accordion-content' );
}
this._openActiveAccordion();
},
_openActiveAccordion: function (e) {
var activeAccordion = $( this.nodeClass + ' .fl-accordion-item.fl-accordion-item-active' );
if ( activeAccordion.length > 0 ) {
activeAccordion.find('.fl-accordion-content:first').show();
}
},
_labelFocusIn: function(e) {
var button = $( e.target ).closest('.fl-accordion-button')
if ( ! e.relatedTarget ) {
return;
}
if ( ! this.expandOnTab ) {
return;
}
button.attr('aria-selected', 'true');
this._toggleAccordion( button );
e.preventDefault();
e.stopImmediatePropagation();
this.wasToggled = true;
},
_buttonClick: function( e )
{
var button = $( e.target ).closest('.fl-accordion-button'),
targetModule = $( e.target ).closest('.fl-module-accordion'),
targetNodeClass = 'fl-node-' + targetModule.data('node'),
nodeClassName = this.nodeClass.replace('.', '');
// Click or keyboard (enter or spacebar) input?
if(!this._validClick(e)) {
return;
}
// Prevent event handler being called twice when Accordion is nested.
if ( nodeClassName !== targetNodeClass ) {
return;
}
if ( this.expandOnTab && this.wasToggled ) {
this.wasToggled = false;
e.preventDefault();
return;
}
// Prevent scrolling when the spacebar is pressed
e.preventDefault();
e.stopPropagation();
this._toggleAccordion( button );
},
_toggleAccordion: function( button ) {
var accordion = button.closest('.fl-accordion'),
item = button.closest('.fl-accordion-item'),
allContent = accordion.find('.fl-accordion-content'),
allIcons = accordion.find('.fl-accordion-button i.fl-accordion-button-icon'),
content = button.siblings('.fl-accordion-content'),
icon = button.find('i.fl-accordion-button-icon');
if(accordion.hasClass('fl-accordion-collapse')) {
accordion.find( '> .fl-accordion-item-active' ).removeClass( 'fl-accordion-item-active' );
accordion.find( '> .fl-accordion-button' ).attr('aria-expanded', 'false');
accordion.find( '> .fl-accordion-content' ).attr('aria-hidden', 'true');
allContent.slideUp('normal');
if( allIcons.find('svg').length > 0 ) {
allIcons.find('svg').attr("data-icon",'plus');
} else {
allIcons.removeClass( this.settings.activeIcon );
allIcons.addClass( this.settings.labelIcon );
}
}
if(content.is(':hidden')) {
button.attr('aria-expanded', 'true');
item.addClass( 'fl-accordion-item-active' );
item.find( '.fl-accordion-content' ).attr('aria-hidden', 'false');
content.slideDown('normal', this._slideDownComplete);
if( icon.find('svg').length > 0 ) {
icon.find('svg').attr("data-icon",'minus');
} else {
icon.removeClass( this.settings.labelIcon );
icon.addClass( this.settings.activeIcon );
}
icon.attr( 'title', this.settings.collapseTxt );
icon.parent().find('span').text( this.settings.collapseTxt );
icon.find('span').text( this.settings.collapseTxt );
}
else {
button.attr('aria-expanded', 'false');
item.removeClass( 'fl-accordion-item-active' );
item.find( '.fl-accordion-content' ).attr('aria-hidden', 'true');
content.slideUp('normal', this._slideUpComplete);
if( icon.find('svg').length > 0 ) {
icon.find('svg').attr("data-icon",'plus');
} else {
icon.removeClass( this.settings.activeIcon );
icon.addClass( this.settings.labelIcon );
}
icon.attr( 'title', this.settings.expandTxt );
icon.parent().find('span').text( this.settings.expandTxt );
icon.find('span').text( this.settings.expandTxt );
}
},
_focusOut: function( e )
{
var button = $( e.target ).closest('.fl-accordion-button');
button.attr('aria-selected', 'false');
},
_slideUpComplete: function()
{
var content = $( this ),
accordion = content.closest( '.fl-accordion' );
accordion.trigger( 'fl-builder.fl-accordion-toggle-complete' );
},
_slideDownComplete: function()
{
var content = $( this ),
accordion = content.closest( '.fl-accordion' ),
item = content.parent(),
win = $( window );
if ( 'undefined' !== typeof FLBuilderLayout ) {
FLBuilderLayout.refreshGalleries( content );
// Grid layout support (uses Masonry)
FLBuilderLayout.refreshGridLayout( content );
// Post Carousel support (uses BxSlider)
FLBuilderLayout.reloadSlider( content );
// WP audio shortcode support
FLBuilderLayout.resizeAudio( content );
// Reload Google Map embed.
FLBuilderLayout.reloadGoogleMap( content );
// Slideshow module support.
FLBuilderLayout.resizeSlideshow();
}
if ( item.offset().top < win.scrollTop() + 100 ) {
$( 'html, body' ).animate({
scrollTop: item.offset().top - 100
}, 500, 'swing');
}
accordion.trigger( 'fl-builder.fl-accordion-toggle-complete' );
},
_validClick: function(e)
{
return (e.which == 1 || e.which == 13 || e.which == 32 || e.which == undefined) ? true : false;
}
};
})(jQuery);