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(function($) {
PPGallery = function(settings)
{
this.settings = settings;
this.id = settings.id;
this.nodeClass = '.fl-node-' + settings.id;
this.wrapperClass = this.nodeClass + ' .pp-photo-gallery';
this.itemClass = this.wrapperClass + ' .pp-photo-gallery-item';
this.cachedItems = false;
this.lightboxAnimation = settings.lightboxAnimation,
this.transitionEffect = settings.transitionEffect,
this.photosIds = settings.settings.gallery_photos,
this.cachedIds = [];
this.isBuilderActive = settings.isBuilderActive;
// Check if the module instance is in loop.
if ( $( this.nodeClass ).length > 1 ) {
var count = 1;
$( this.nodeClass ).each( function() {
$( this ).attr( 'data-pp-gallery-id', count );
count++;
} );
}
if ( this._hasItem() ) {
this._initLayout();
}
};
PPGallery.prototype = {
settings : {},
nodeClass : '',
wrapperClass : '',
itemClass : '',
gallery : null,
cachedItems : false,
cachedIds : [],
isBuilderActive : false,
_hasItem: function()
{
return $(this.itemClass).length > 0;
},
_initLayout: function()
{
if ( this.settings.layout === 'masonry' ) {
this._masonryLayout();
}
if ( this.settings.layout === 'justified' ) {
this._justifiedLayout();
}
if ( this.settings.lightbox ) {
this._initLightbox();
}
if ( this.settings.pagination && 'none' !== this.settings.pagination ) {
this._initPagination();
}
$(this.itemClass).css('visibility', 'visible');
},
_masonryLayout: function()
{
var wrap = $(this.wrapperClass);
var isotopeData = {
itemSelector: '.pp-gallery-masonry-item',
percentPosition: true,
transitionDuration: '0.6s',
masonry: {
columnWidth: '.pp-gallery-masonry-item',
gutter: '.pp-photo-space'
},
originLeft: $('body').hasClass( 'rtl' ) ? false : true
};
wrap.imagesLoaded( function() {
wrap.isotope(isotopeData);
$( this.wrapperClass ).css( "opacity", 1 );
}.bind( this ) );
},
_justifiedLayout: function()
{
var wrap = $(this.wrapperClass);
var opts = {
margins: this.settings.spacing,
rowHeight: this.settings.rowHeight,
maxRowHeight: this.settings.maxRowHeight,
lastRow: this.settings.lastRow
};
wrap.imagesLoaded( function () {
$(this.wrapperClass).justifiedGallery(opts).on('jg.complete jg.resize', function(e) {
var controller = $(this).data('jg.controller');
if ( controller.rows === 0 && controller.settings.lastRow === 'hide' ){
opts.lastRow = 'justify';
$(this).justifiedGallery(opts);
// Workaround for Beaver Builder node animation that does not work when
// the gallery has justified layout.
$(window).trigger('resize');
}
});
$( this.wrapperClass ).css( "opacity", 1 );
}.bind( this ) );
},
_initLightbox: function()
{
if ( ! this.settings.lightbox ) {
return;
}
var id = this.id;
var axis = 'default' === this.settings.lightboxThumbsPosition ? 'y' : 'x';
var options = {
modal : false,
baseClass : 'fancybox-' + id + ' pp-gallery-fancybox pp-gallery-fancybox-axis-' + axis,
buttons : this.settings.lightboxToolbarButtons.split(','),
wheel : false,
afterLoad : function(current, previous) {
$('.fancybox-' + id).find('.fancybox-bg').addClass('fancybox-' + id + '-overlay');
$(document).trigger( 'pp_gallery_lightbox_after_load', [$('.fancybox-' + id), id] );
},
animationEffect: this.lightboxAnimation,
transitionEffect: this.transitionEffect,
thumbs: {
autoStart: this.settings.lightboxThumbs, // Display thumbnails on opening
hideOnClose: true, // Hide thumbnail grid when closing animation starts
parentEl: ".fancybox-container", // Container is injected into this element
axis: axis // Vertical (y) or horizontal (x) scrolling
},
mobile: {
clickOutside : 'close',
clickSlide: function (current, event) {
return "close";
}
},
};
if ( this.settings.lightboxCaption ) {
var source = this.settings.lightboxCaptionSource;
options.caption = function(instance, item) {
var caption = 'title' === source ? $(this).attr('title') : $(this).data('caption') || '';
var desc = $(this).data('description') || '';
if (desc !== '') {
caption += '<div class="pp-fancybox-desc">' + desc + '</div>';
}
return caption;
};
} else {
options.caption = '';
}
$(this.nodeClass).trigger( 'pp_gallery_lightbox_before_load', [options] );
$(this.nodeClass).each( function() {
$(this).find('a[data-fancybox="images"]').fancybox( options );
} );
},
_initPagination: function()
{
var self = this;
$(this.itemClass).each(function() {
self.cachedIds.push( $(this).data('item-id') );
});
if ( 'load_more' === this.settings.pagination ) {
this._initLoadMore();
}
if ( 'scroll' === this.settings.pagination && ! this.isBuilderActive ) {
this._initScroll();
}
},
_initLoadMore: function()
{
var self = this;
$(this.nodeClass).find( '.pp-gallery-load-more' ).off('click').on('click', function(e) {
e.preventDefault();
var $this = $(this);
$this.addClass('disabled loading');
if ( self.cachedItems.length === self.photosIds.length ) {
self._renderItems();
} else {
self._getAjaxPhotos();
}
});
},
_initScroll: function() {
var self = this,
galleryOffset = $(this.wrapperClass).offset(),
galleryHeight = $(this.wrapperClass).height(),
winHeight = $(window).height(),
loaded = false;
$(window).on('scroll', function() {
if ( loaded ) {
return;
}
var scrollPos = $(window).scrollTop();
if ( scrollPos >= galleryOffset.top - ( winHeight - galleryHeight ) ) {
if ( $(self.nodeClass).find('.pp-gallery-pagination.loaded').length > 0 ) {
loaded = true;
$(self.nodeClass).find('.pp-gallery-loader').hide();
} else {
loaded = true;
$(self.wrapperClass).imagesLoaded(function() {
setTimeout(function() {
//$(self.nodeClass).find('.pp-gallery-loader').show();
if ( self.cachedItems.length === self.photosIds.length ) {
self._renderItems();
galleryHeight = $(self.wrapperClass).height();
} else {
self._getAjaxPhotos(function() {
galleryHeight = $(self.wrapperClass).height();
});
}
}, 600);
});
}
}
});
$(this.wrapperClass).on('gallery.rendered', function() {
if ( $(self.nodeClass).find('.pp-gallery-pagination.loaded').length === 0 ) {
loaded = false;
galleryHeight = $(self.wrapperClass).height();
}
});
},
_getAjaxPhotos: function(callback) {
var self = this;
var data = {
pp_action: 'pp_gallery_get_photos',
node_id: self.settings.id,
images_per_page: self.settings.perPage,
cached_ids: self.cachedIds,
settings: self.settings.settings
};
if ( self.settings.templateId ) {
data['template_id'] = self.settings.templateId;
}
if ( self.settings.templateNodeId ) {
data['template_node_id'] = self.settings.template_node_id;
}
$(this.nodeClass).find('.pp-gallery-loader').show();
$.ajax({
type: 'post',
url: window.location.href.split( '#' ).shift(),
data: data,
async: true,
success: function(response) {
response = JSON.parse(response);
if ( ! response.error ) {
self.cachedItems = response.data;
self._renderItems();
if ( 'function' === typeof callback ) {
callback();
}
$(self.nodeClass).find('.pp-gallery-loader').hide();
}
}
});
},
_renderItems: function()
{
$(this.nodeClass).find( '.pp-gallery-load-more' ).removeClass('disabled loading');
$(this.nodeClass).find('.pp-gallery-loader').show();
var self = this,
wrap = $(self.wrapperClass);
if ( self.cachedItems ) {
var count = 1;
var items = [];
$(self.cachedItems).each(function() {
var id = $(this).data('item-id');
if ( -1 === $.inArray( id, self.cachedIds ) ) {
if ( count <= self.settings.perPage ) {
self.cachedIds.push( id );
items.push( this );
count++;
}
}
});
if ( items.length > 0 ) {
items = $(items).hide();
// Grid layout.
if ( self.settings.layout === 'grid' ) {
wrap.append( items.fadeIn() );
}
// Justified layout.
if ( self.settings.layout === 'justified' ) {
wrap.append( items.fadeIn() );
self._justifiedLayout();
}
// Masonry layout.
if ( self.settings.layout === 'masonry' ) {
items = items.show();
wrap.isotope('insert', items);
wrap.find('.pp-photo-space').remove();
wrap.append('<div class="pp-photo-space"></div>');
wrap.imagesLoaded( function () {
setTimeout(function () {
wrap.isotope('layout');
}, 500);
}.bind( this ) );
}
this._initLightbox();
wrap.trigger('gallery.rendered');
}
if ( self.cachedIds.length === self.photosIds.length ) {
$(self.nodeClass).find('.pp-gallery-pagination').addClass('loaded').hide();
$(self.nodeClass).find('.pp-gallery-loader').hide();
}
}
}
};
})(jQuery);