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window.jetpackModules = window.jetpackModules || {};
window.jetpackModules.views = ( function ( window, $, Backbone, wp ) {
'use strict';
var views = {};
views.List_Table = Backbone.View.extend( {
template: wp.template( 'Jetpack_Modules_List_Table_Template' ),
/**
* If we can, use replaceState to change the URL and indicate the new filtering.
* This will be handy with redirecting back to the same state after activating/deactivating.
*/
updateUrl: function () {
if ( ! window.history.replaceState ) {
return;
}
var url = window.location.href.split( '?' )[ 0 ] + '?page=jetpack_modules',
m_tag = $( '.subsubsub .current' ),
m_purpose = $( '.purpose-filter .current' ),
m_availability = $( '.button-group.availability-filter .active' ),
m_search = $( '#srch-term-search-input' ).val();
if ( m_search.length ) {
url += '&s=' + encodeURIComponent( m_search );
}
// "Hide unavailable" is the default in Offline Mode, so only the opt-out
// ("All") needs to be persisted in the URL.
if ( 'all' === m_availability.data( 'availability' ) ) {
url += '&offline_available=all';
}
if ( ! m_tag.hasClass( 'all' ) ) {
url += '&module_tag=' + encodeURIComponent( m_tag.find( 'a' ).data( 'title' ) );
}
if ( m_purpose.length && ! m_purpose.hasClass( 'all' ) ) {
url += '&product_group=' + encodeURIComponent( m_purpose.find( 'a' ).data( 'group' ) );
}
// State facet (segmented buttons). "All" carries no data-filter-by.
$( '.button-group.module-filter .active' ).each( function () {
var by = $( this ).data( 'filter-by' ),
value = $( this ).data( 'filter-value' );
if ( by ) {
url += '&' + encodeURIComponent( by ) + '=' + encodeURIComponent( value );
}
} );
window.history.replaceState( {}, '', url );
},
/**
* Writes faceted counts into a facet list (the tag list or the Purpose
* list), and greys out entries that have no matches under the current
* filters. The "All" entry always shows the total and is never disabled.
*
* @param {string} selector Facet list selector (e.g. '.subsubsub').
* @param {Object} counts Map of key to count, plus `__all__`.
* @param {string} dataKey data-* attribute on each link holding its key.
*/
updateFacetCounts: function ( selector, counts, dataKey ) {
$( selector + ' > li' ).each( function () {
var $li = $( this ),
isAll = $li.hasClass( 'all' ),
key = $li.children( 'a' ).data( dataKey ),
n = isAll ? counts.__all__ : counts[ key ] || 0;
$li.find( '.count' ).text( '(' + n + ')' );
if ( ! isAll ) {
$li.toggleClass( 'is-empty', 0 === n );
}
} );
},
/**
* Refreshes both facet lists ("Show" tags and "Purpose") so their counts
* reflect the currently-active filters.
*/
updateCounts: function () {
this.updateFacetCounts( '.subsubsub', this.model.tag_counts(), 'title' );
this.updateFacetCounts( '.purpose-filter', this.model.purpose_counts(), 'group' );
},
render: function () {
this.model.filter_and_sort();
this.$el.html( this.template( this.model.attributes ) );
this.updateCounts();
this.updateUrl();
return this;
},
initialize: function () {
this.listenTo( this.model, 'change', this.render );
},
} );
return views;
} )( window, jQuery, Backbone, wp );