https://www.opigorizia.it/javascripts/set_news_index.js

1$(document).ready(function(){
2  
3  $( function() {
4    // init Isotope
5    var $grid = $('.news_list').isotope({
6      itemSelector: '.news_item',
7      masonry: {
8        // use outer width of grid-sizer for columnWidth
9        //columnWidth: 50
10      },
11      layoutMode: 'fitRows'
12
13    });
14    // filter functions
15    var filterFns = {
16
17    };
18    // bind filter button click
19    $('.filters-button-group').on( 'click', 'button', function() {
20      var filterValue = $( this ).attr('data-filter');
21      // use filterFn if matches value
22      filterValue = filterFns[ filterValue ] || filterValue;
23      $grid.isotope({ filter: filterValue });
24      $.cookie("filterValue", filterValue, {path: '/'});
25    });
26    // change is-checked class on buttons
27    $('.button-group').each( function( i, buttonGroup ) {
28      var $buttonGroup = $( buttonGroup );
29      $buttonGroup.on( 'click', 'button', function() {
30        $buttonGroup.find('.is-checked').removeClass('is-checked');
31        $( this ).addClass('is-checked');
32      });
33    });
34
35    filter_value = $.cookie('filterValue');
36    console.log(filter_value);
37    if (filter_value) {
38      $grid.isotope({ filter: filter_value });
39      $('.button-group button').each( function( i, button ) {
40        $( this ).removeClass('is-checked');
41          if( $(this).attr("data-filter") == filter_value ) {
42            $( this ).addClass('is-checked');
43          }
44      });
45    }
46  });
47
48  setTimeout(
49   function () {
50      $('.news_list').isotope('layout');
51    }, 1000
52  );
53 
54  setTimeout(
55    function () {
56      $('.news_list').css("opacity", 1) ;
57    }, 1100
58  );
59
60
61});