Blog module with Excerpt length option

<?php
class WPC_ET_Builder_Module_Blog extends ET_Builder_Module_Type_PostBased {
    function init() {
        $this->name       = esc_html__( 'Blog', 'et_builder' );
        $this->slug       = 'et_pb_blog';
        $this->fb_support = true;

        $this->whitelisted_fields = array(
            'fullwidth',
            'posts_number',
            'excerpt_lenght',
            'include_categories',
            'meta_date',
            'show_thumbnail',
            'show_content',
            'show_more',
            'show_author',
            'show_date',
            'show_categories',
            'show_comments',
            'show_pagination',
            'offset_number',
            'background_layout',
            'admin_label',
            'module_id',
            'module_class',
            'masonry_tile_background_color',
            'use_dropshadow',
            'use_overlay',
            'overlay_icon_color',
            'hover_overlay_color',
            'hover_icon',
        );

        $this->fields_defaults = array(
            'fullwidth'         => array( 'on' ),
            'posts_number'      => array( 10, 'add_default_setting' ),
            'meta_date'         => array( 'M j, Y', 'add_default_setting' ),
            'show_thumbnail'    => array( 'on' ),
            'show_content'      => array( 'off' ),
            'show_more'         => array( 'off' ),
            'show_author'       => array( 'on' ),
            'show_date'         => array( 'on' ),
            'show_categories'   => array( 'on' ),
            'show_comments'     => array( 'off' ),
            'show_pagination'   => array( 'on' ),
            'offset_number'     => array( 0, 'only_default_setting' ),
            'background_layout' => array( 'light' ),
            'use_dropshadow'    => array( 'off' ),
            'use_overlay'       => array( 'off' ),
        );

        $this->main_css_element = '%%order_class%% .et_pb_post';

        $this->options_toggles = array(
            'general'  => array(
                'toggles' => array(
                    'main_content' => esc_html__( 'Content', 'et_builder' ),
                    'elements'     => esc_html__( 'Elements', 'et_builder' ),
                    'background'   => esc_html__( 'Background', 'et_builder' ),
                ),
            ),
            'advanced' => array(
                'toggles' => array(
                    'layout'  => esc_html__( 'Layout', 'et_builder' ),
                    'overlay' => esc_html__( 'Overlay', 'et_builder' ),
                    'text'    => array(
                        'title'    => esc_html__( 'Text', 'et_builder' ),
                        'priority' => 49,
                    ),
                ),
            ),
        );

        $this->advanced_options = array(
            'fonts' => array(
                'header' => array(
                    'label'    => esc_html__( 'Title', 'et_builder' ),
                    'css'      => array(
                        'main' => "{$this->main_css_element} .entry-title",
                        'color' => "{$this->main_css_element} .entry-title a",
                        'plugin_main' => "{$this->main_css_element} .entry-title, {$this->main_css_element} .entry-title a",
                        'important' => 'all',
                    ),
                    'header_level' => array(
                        'default' => 'h2',
                        'computed_affects' => array(
                            '__posts',
                        ),
                    ),
                ),
                'body'   => array(
                    'label'    => esc_html__( 'Body', 'et_builder' ),
                    'css'      => array(
                        'main'        => "{$this->main_css_element} .post-content, %%order_class%%.et_pb_bg_layout_light .et_pb_post .post-content p, %%order_class%%.et_pb_bg_layout_dark .et_pb_post .post-content p",
                        'color'       => "{$this->main_css_element}, {$this->main_css_element} .post-content *",
                        'line_height' => "{$this->main_css_element} p",
                        'plugin_main' => "{$this->main_css_element}, %%order_class%%.et_pb_bg_layout_light .et_pb_post .post-content p, %%order_class%%.et_pb_bg_layout_dark .et_pb_post .post-content p, %%order_class%%.et_pb_bg_layout_light .et_pb_post a.more-link, %%order_class%%.et_pb_bg_layout_dark .et_pb_post a.more-link",
                    ),
                ),
                'meta' => array(
                    'label'    => esc_html__( 'Meta', 'et_builder' ),
                    'css'      => array(
                        'main'        => "{$this->main_css_element} .post-meta, {$this->main_css_element} .post-meta a",
                        'plugin_main' => "{$this->main_css_element} .post-meta, {$this->main_css_element} .post-meta a, {$this->main_css_element} .post-meta span",
                    ),
                ),
                'pagination' => array(
                    'label'    => esc_html__( 'Pagination', 'et_builder' ),
                    'css'      => array(
                        'main' => function_exists( 'wp_pagenavi' ) ? "%%order_class%% .wp-pagenavi a, %%order_class%% .wp-pagenavi span" : "%%order_class%% .pagination a",
                        'important'  => function_exists( 'wp_pagenavi' ) ? 'all' : array(),
                        'text_align' => '%%order_class%% .wp-pagenavi',
                    ),
                    'hide_text_align' => ! function_exists( 'wp_pagenavi' ),
                    'text_align' => array(
                        'options' => et_builder_get_text_orientation_options( array( 'justified' ), array() ),
                    ),
                ),
            ),
            'border' => array(
                'css'      => array(
                    'main' => "%%order_class%%.et_pb_module .et_pb_post",
                    'important' => 'plugin_only',
                ),
            ),
            'background' => array(
                'css' => array(
                    'main' => '%%order_class%%',
                )
            ),
            'custom_margin_padding' => array(
                'css'           => array(
                    'main' => '%%order_class%%',
                ),
            ),
            'max_width' => array(),
            'text'      => array(
                'css' => array(
                    'text_shadow' => '%%order_class%%',
                ),
            ),
        );
        $this->custom_css_options = array(
            'title' => array(
                'label'    => esc_html__( 'Title', 'et_builder' ),
                'selector' => '.entry-title',
            ),
            'post_meta' => array(
                'label'    => esc_html__( 'Post Meta', 'et_builder' ),
                'selector' => '.post-meta',
            ),
            'pagenavi' => array(
                'label'    => esc_html__( 'Pagenavi', 'et_builder' ),
                'selector' => '.wp_pagenavi',
            ),
            'featured_image' => array(
                'label'    => esc_html__( 'Featured Image', 'et_builder' ),
                'selector' => '.et_pb_image_container',
            ),
            'read_more' => array(
                'label'    => esc_html__( 'Read More Button', 'et_builder' ),
                'selector' => '.more-link',
            ),
        );
    }

    function get_fields() {
        $fields = array(
            'fullwidth' => array(
                'label'             => esc_html__( 'Layout', 'et_builder' ),
                'type'              => 'select',
                'option_category'   => 'layout',
                'options'           => array(
                    'on'  => esc_html__( 'Fullwidth', 'et_builder' ),
                    'off' => esc_html__( 'Grid', 'et_builder' ),
                ),
                'affects'           => array(
                    'background_layout',
                    'use_dropshadow',
                    'masonry_tile_background_color',
                ),
                'description'        => esc_html__( 'Toggle between the various blog layout types.', 'et_builder' ),
                'computed_affects'   => array(
                    '__posts',
                ),
                'tab_slug'           => 'advanced',
                'toggle_slug'        => 'layout',
            ),
            'posts_number' => array(
                'label'             => esc_html__( 'Posts Number', 'et_builder' ),
                'type'              => 'text',
                'option_category'   => 'configuration',
                'description'       => esc_html__( 'Choose how much posts you would like to display per page.', 'et_builder' ),
                'computed_affects'   => array(
                    '__posts',
                ),
                'toggle_slug'       => 'main_content',
            ),

            'excerpt_lenght' => array(
                'label'             => esc_html__( 'Excerpt Lenght', 'et_builder' ),
                'type'              => 'text',
                'option_category'   => 'configuration',
                'description'       => esc_html__( 'Choose how many characters the excerpt should have (default is 270 including the wite spaces).', 'et_builder' ),
                'computed_affects'   => array(
                    '__posts',
                ),
                'toggle_slug'       => 'main_content',
            ),

            'include_categories' => array(
                'label'            => esc_html__( 'Include Categories', 'et_builder' ),
                'renderer'         => 'et_builder_include_categories_option',
                'option_category'  => 'basic_option',
                'renderer_options' => array(
                    'use_terms' => false,
                ),
                'description'      => esc_html__( 'Choose which categories you would like to include in the feed.', 'et_builder' ),
                'toggle_slug'      => 'main_content',
                'computed_affects' => array(
                    '__posts',
                ),
            ),
            'meta_date' => array(
                'label'             => esc_html__( 'Meta Date Format', 'et_builder' ),
                'type'              => 'text',
                'option_category'   => 'configuration',
                'description'       => esc_html__( 'If you would like to adjust the date format, input the appropriate PHP date format here.', 'et_builder' ),
                'toggle_slug'       => 'main_content',
                'computed_affects'  => array(
                    '__posts',
                ),
            ),
            'show_thumbnail' => array(
                'label'             => esc_html__( 'Show Featured Image', 'et_builder' ),
                'type'              => 'yes_no_button',
                'option_category'   => 'configuration',
                'options'           => array(
                    'on'  => esc_html__( 'Yes', 'et_builder' ),
                    'off' => esc_html__( 'No', 'et_builder' ),
                ),
                'description'       => esc_html__( 'This will turn thumbnails on and off.', 'et_builder' ),
                'computed_affects'  => array(
                    '__posts',
                ),
                'toggle_slug'       => 'elements',
            ),
            'show_content' => array(
                'label'             => esc_html__( 'Content', 'et_builder' ),
                'type'              => 'select',
                'option_category'   => 'configuration',
                'options'           => array(
                    'off' => esc_html__( 'Show Excerpt', 'et_builder' ),
                    'on'  => esc_html__( 'Show Content', 'et_builder' ),
                ),
                'affects'           => array(
                    'show_more',
                ),
                'description'       => esc_html__( 'Showing the full content will not truncate your posts on the index page. Showing the excerpt will only display your excerpt text.', 'et_builder' ),
                'toggle_slug'       => 'main_content',
                'computed_affects'  => array(
                    '__posts',
                ),
            ),
            'show_more' => array(
                'label'             => esc_html__( 'Show Read More Button', 'et_builder' ),
                'type'              => 'yes_no_button',
                'option_category'   => 'configuration',
                'options'           => array(
                    'off' => esc_html__( 'No', 'et_builder' ),
                    'on'  => esc_html__( 'Yes', 'et_builder' ),
                ),
                'depends_show_if'   => 'off',
                'description'       => esc_html__( 'Here you can define whether to show "read more" link after the excerpts or not.', 'et_builder' ),
                'computed_affects'   => array(
                    '__posts',
                ),
                'toggle_slug'       => 'elements',
            ),
            'show_author' => array(
                'label'             => esc_html__( 'Show Author', 'et_builder' ),
                'type'              => 'yes_no_button',
                'option_category'   => 'configuration',
                'options'           => array(
                    'on'  => esc_html__( 'Yes', 'et_builder' ),
                    'off' => esc_html__( 'No', 'et_builder' ),
                ),
                'description'        => esc_html__( 'Turn on or off the author link.', 'et_builder' ),
                'computed_affects'   => array(
                    '__posts',
                ),
                'toggle_slug'        => 'elements',
            ),
            'show_date' => array(
                'label'             => esc_html__( 'Show Date', 'et_builder' ),
                'type'              => 'yes_no_button',
                'option_category'   => 'configuration',
                'options'           => array(
                    'on'  => esc_html__( 'Yes', 'et_builder' ),
                    'off' => esc_html__( 'No', 'et_builder' ),
                ),
                'description'        => esc_html__( 'Turn the date on or off.', 'et_builder' ),
                'computed_affects'   => array(
                    '__posts',
                ),
                'toggle_slug'        => 'elements',
            ),
            'show_categories' => array(
                'label'             => esc_html__( 'Show Categories', 'et_builder' ),
                'type'              => 'yes_no_button',
                'option_category'   => 'configuration',
                'options'           => array(
                    'on'  => esc_html__( 'Yes', 'et_builder' ),
                    'off' => esc_html__( 'No', 'et_builder' ),
                ),
                'description'        => esc_html__( 'Turn the category links on or off.', 'et_builder' ),
                'computed_affects'   => array(
                    '__posts',
                ),
                'toggle_slug'        => 'elements',
            ),
            'show_comments' => array(
                'label'             => esc_html__( 'Show Comment Count', 'et_builder' ),
                'type'              => 'yes_no_button',
                'option_category'   => 'configuration',
                'options'           => array(
                    'on'  => esc_html__( 'Yes', 'et_builder' ),
                    'off' => esc_html__( 'No', 'et_builder' ),
                ),
                'description'        => esc_html__( 'Turn comment count on and off.', 'et_builder' ),
                'computed_affects'   => array(
                    '__posts',
                ),
                'toggle_slug'        => 'elements',
            ),
            'show_pagination' => array(
                'label'             => esc_html__( 'Show Pagination', 'et_builder' ),
                'type'              => 'yes_no_button',
                'option_category'   => 'configuration',
                'options'           => array(
                    'on'  => esc_html__( 'Yes', 'et_builder' ),
                    'off' => esc_html__( 'No', 'et_builder' ),
                ),
                'description'        => esc_html__( 'Turn pagination on and off.', 'et_builder' ),
                'computed_affects'   => array(
                    '__posts',
                ),
                'toggle_slug'        => 'elements',
            ),
            'offset_number' => array(
                'label'            => esc_html__( 'Offset Number', 'et_builder' ),
                'type'             => 'text',
                'option_category'  => 'configuration',
                'description'      => esc_html__( 'Choose how many posts you would like to offset by', 'et_builder' ),
                'toggle_slug'      => 'main_content',
                'computed_affects' => array(
                    '__posts',
                ),
            ),
            'use_overlay' => array(
                'label'             => esc_html__( 'Featured Image Overlay', 'et_builder' ),
                'type'              => 'yes_no_button',
                'option_category'   => 'layout',
                'options'           => array(
                    'off' => esc_html__( 'Off', 'et_builder' ),
                    'on'  => esc_html__( 'On', 'et_builder' ),
                ),
                'affects'           => array(
                    'overlay_icon_color',
                    'hover_overlay_color',
                    'hover_icon',
                ),
                'description'       => esc_html__( 'If enabled, an overlay color and icon will be displayed when a visitors hovers over the featured image of a post.', 'et_builder' ),
                'computed_affects'   => array(
                    '__posts',
                ),
                'tab_slug'          => 'advanced',
                'toggle_slug'       => 'overlay',
            ),
            'overlay_icon_color' => array(
                'label'             => esc_html__( 'Overlay Icon Color', 'et_builder' ),
                'type'              => 'color-alpha',
                'custom_color'      => true,
                'depends_show_if'   => 'on',
                'tab_slug'          => 'advanced',
                'toggle_slug'       => 'overlay',
                'description'       => esc_html__( 'Here you can define a custom color for the overlay icon', 'et_builder' ),
            ),
            'hover_overlay_color' => array(
                'label'             => esc_html__( 'Hover Overlay Color', 'et_builder' ),
                'type'              => 'color-alpha',
                'custom_color'      => true,
                'depends_show_if'   => 'on',
                'tab_slug'          => 'advanced',
                'toggle_slug'       => 'overlay',
                'description'       => esc_html__( 'Here you can define a custom color for the overlay', 'et_builder' ),
            ),
            'hover_icon' => array(
                'label'               => esc_html__( 'Hover Icon Picker', 'et_builder' ),
                'type'                => 'text',
                'option_category'     => 'configuration',
                'class'               => array( 'et-pb-font-icon' ),
                'renderer'            => 'et_pb_get_font_icon_list',
                'renderer_with_field' => true,
                'depends_show_if'     => 'on',
                'description'         => esc_html__( 'Here you can define a custom icon for the overlay', 'et_builder' ),
                'tab_slug'            => 'advanced',
                'toggle_slug'         => 'overlay',
                'computed_affects'    => array(
                    '__posts',
                ),
            ),
            'background_layout' => array(
                'label'       => esc_html__( 'Text Color', 'et_builder' ),
                'type'        => 'select',
                'option_category' => 'color_option',
                'options'           => array(
                    'light' => esc_html__( 'Dark', 'et_builder' ),
                    'dark'  => esc_html__( 'Light', 'et_builder' ),
                ),
                'depends_default' => true,
                'tab_slug'        => 'advanced',
                'toggle_slug'     => 'text',
                'description'     => esc_html__( 'Here you can choose whether your text should be light or dark. If you are working with a dark background, then your text should be light. If your background is light, then your text should be set to dark.', 'et_builder' ),
            ),
            'masonry_tile_background_color' => array(
                'label'             => esc_html__( 'Grid Tile Background Color', 'et_builder' ),
                'type'              => 'color-alpha',
                'custom_color'      => true,
                'toggle_slug'       => 'background',
                'depends_show_if'   => 'off',
                'depends_to'        => array(
                    'fullwidth'
                ),
            ),
            'use_dropshadow' => array(
                'label'             => esc_html__( 'Use Dropshadow', 'et_builder' ),
                'type'              => 'yes_no_button',
                'option_category'   => 'layout',
                'options'           => array(
                    'off' => esc_html__( 'Off', 'et_builder' ),
                    'on'  => esc_html__( 'On', 'et_builder' ),
                ),
                'tab_slug'          => 'advanced',
                'toggle_slug'       => 'layout',
                'depends_show_if'   => 'off',
                'depends_to'        => array(
                    'fullwidth'
                ),
            ),
            'disabled_on' => array(
                'label'           => esc_html__( 'Disable on', 'et_builder' ),
                'type'            => 'multiple_checkboxes',
                'options'         => array(
                    'phone'   => esc_html__( 'Phone', 'et_builder' ),
                    'tablet'  => esc_html__( 'Tablet', 'et_builder' ),
                    'desktop' => esc_html__( 'Desktop', 'et_builder' ),
                ),
                'additional_att'  => 'disable_on',
                'option_category' => 'configuration',
                'description'     => esc_html__( 'This will disable the module on selected devices', 'et_builder' ),
                'tab_slug'        => 'custom_css',
                'toggle_slug'     => 'visibility',
            ),
            'admin_label' => array(
                'label'       => esc_html__( 'Admin Label', 'et_builder' ),
                'type'        => 'text',
                'description' => esc_html__( 'This will change the label of the module in the builder for easy identification.', 'et_builder' ),
                'toggle_slug' => 'admin_label',
            ),
            'module_id' => array(
                'label'           => esc_html__( 'CSS ID', 'et_builder' ),
                'type'            => 'text',
                'option_category' => 'configuration',
                'tab_slug'        => 'custom_css',
                'toggle_slug'     => 'classes',
                'option_class'    => 'et_pb_custom_css_regular',
            ),
            'module_class' => array(
                'label'           => esc_html__( 'CSS Class', 'et_builder' ),
                'type'            => 'text',
                'option_category' => 'configuration',
                'tab_slug'        => 'custom_css',
                'toggle_slug'     => 'classes',
                'option_class'    => 'et_pb_custom_css_regular',
            ),
            '__posts' => array(
                'type' => 'computed',
                'computed_callback' => array( 'ET_Builder_Module_Blog', 'get_blog_posts' ),
                'computed_depends_on' => array(
                    'fullwidth',
                    'posts_number',
                    'include_categories',
                    'meta_date',
                    'show_thumbnail',
                    'show_content',
                    'show_more',
                    'show_author',
                    'show_date',
                    'show_categories',
                    'show_comments',
                    'show_pagination',
                    'offset_number',
                    'use_overlay',
                    'hover_icon',
                    'header_level',
                    '__page',
                ),
                'computed_minimum' => array(
                    'posts_number',
                ),
            ),
            '__page'          => array(
                'type'              => 'computed',
                'computed_callback' => array( 'ET_Builder_Module_Blog', 'get_blog_posts' ),
                'computed_affects'  => array(
                    '__posts',
                ),
            ),
        );
        return $fields;
    }


    /**
     * Get blog posts for blog module
     *
     * @param array   arguments that is being used by et_pb_blog
     * @return string blog post markup
     */
    static function get_blog_posts( $args = array(), $conditional_tags = array(), $current_page = array() ) {
        global $paged, $post, $wp_query, $et_fb_processing_shortcode_object, $et_pb_rendering_column_content;

        $global_processing_original_value = $et_fb_processing_shortcode_object;

        // Default params are combination of attributes that is used by et_pb_blog and
        // conditional tags that need to be simulated (due to AJAX nature) by passing args
        $defaults = array(
            'fullwidth'                     => '',
            'posts_number'                  => '',
            'excerpt_lenght'                => 270,
            'include_categories'            => '',
            'meta_date'                     => '',
            'show_thumbnail'                => '',
            'show_content'                  => '',
            'show_author'                   => '',
            'show_date'                     => '',
            'show_categories'               => '',
            'show_comments'                 => '',
            'show_pagination'               => '',
            'background_layout'             => '',
            'show_more'                     => '',
            'offset_number'                 => '',
            'masonry_tile_background_color' => '',
            'use_dropshadow'                => '',
            'overlay_icon_color'            => '',
            'hover_overlay_color'           => '',
            'hover_icon'                    => '',
            'use_overlay'                   => '',
            'header_level'                  => 'h2',
        );

        // WordPress' native conditional tag is only available during page load. It'll fail during component update because
        // et_pb_process_computed_property() is loaded in admin-ajax.php. Thus, use WordPress' conditional tags on page load and
        // rely to passed $conditional_tags for AJAX call
        $is_front_page               = et_fb_conditional_tag( 'is_front_page', $conditional_tags );
        $is_search                   = et_fb_conditional_tag( 'is_search', $conditional_tags );
        $is_single                   = et_fb_conditional_tag( 'is_single', $conditional_tags );
        $et_is_builder_plugin_active = et_fb_conditional_tag( 'et_is_builder_plugin_active', $conditional_tags );

        $container_is_closed = false;

        // remove all filters from WP audio shortcode to make sure current theme doesn't add any elements into audio module
        remove_all_filters( 'wp_audio_shortcode_library' );
        remove_all_filters( 'wp_audio_shortcode' );
        remove_all_filters( 'wp_audio_shortcode_class');

        $args = wp_parse_args( $args, $defaults );

        $processed_header_level = et_pb_process_header_level( $args['header_level'], 'h2' );

        $overlay_output = '';
        $hover_icon = '';

        if ( 'on' === $args['use_overlay'] ) {
            $data_icon = '' !== $args['hover_icon']
                ? sprintf(
                    ' data-icon="%1$s"',
                    esc_attr( et_pb_process_font_icon( $args['hover_icon'] ) )
                )
                : '';

            $overlay_output = sprintf(
                '<span class="et_overlay%1$s"%2$s></span>',
                ( '' !== $args['hover_icon'] ? ' et_pb_inline_icon' : '' ),
                $data_icon
            );
        }

        $overlay_class = 'on' === $args['use_overlay'] ? ' et_pb_has_overlay' : '';

        $query_args = array(
            'posts_per_page' => intval( $args['posts_number'] ),
            'post_status'    => 'publish',
        );

        if ( defined( 'DOING_AJAX' ) && isset( $current_page[ 'paged'] ) ) {
            $paged = intval( $current_page[ 'paged' ] );
        } else {
            $paged = $is_front_page ? get_query_var( 'page' ) : get_query_var( 'paged' );
        }

        // support pagination in VB
        if ( isset( $args['__page'] ) ) {
            $paged = $args['__page'];
        }

        if ( '' !== $args['include_categories'] ) {
            $query_args['cat'] = $args['include_categories'];
        }

        if ( ! $is_search ) {
            $query_args['paged'] = $paged;
        }

        if ( '' !== $args['offset_number'] && ! empty( $args['offset_number'] ) ) {
            /**
             * Offset + pagination don't play well. Manual offset calculation required
             * @see: https://codex.wordpress.org/Making_Custom_Queries_using_Offset_and_Pagination
             */
            if ( $paged > 1 ) {
                $query_args['offset'] = ( ( $paged - 1 ) * intval( $args['posts_number'] ) ) + intval( $args['offset_number'] );
            } else {
                $query_args['offset'] = intval( $args['offset_number'] );
            }
        }

        if ( $is_single ) {
            $query_args['post__not_in'][] = get_the_ID();
        }

        // Get query
        $query = new WP_Query( $query_args );

        // Keep page's $wp_query global
        $wp_query_page = $wp_query;

        // Turn page's $wp_query into this module's query
        $wp_query = $query;

        ob_start();

        if ( $query->have_posts() ) {
            if ( 'on' !== $args['fullwidth'] ) {
                echo '<div class="et_pb_salvattore_content" data-columns>';
            }

            while( $query->have_posts() ) {
                $query->the_post();
                global $et_fb_processing_shortcode_object;

                $global_processing_original_value = $et_fb_processing_shortcode_object;

                // reset the fb processing flag
                $et_fb_processing_shortcode_object = false;

                $thumb          = '';
                $width          = 'on' === $args['fullwidth'] ? 1080 : 400;
                $width          = (int) apply_filters( 'et_pb_blog_image_width', $width );
                $height         = 'on' === $args['fullwidth'] ? 675 : 250;
                $height         = (int) apply_filters( 'et_pb_blog_image_height', $height );
                $classtext      = 'on' === $args['fullwidth'] ? 'et_pb_post_main_image' : '';
                $titletext      = get_the_title();
                $thumbnail      = get_thumbnail( $width, $height, $classtext, $titletext, $titletext, false, 'Blogimage' );
                $thumb          = $thumbnail["thumb"];
                $no_thumb_class = '' === $thumb || 'off' === $args['show_thumbnail'] ? ' et_pb_no_thumb' : '';

                $post_format = et_pb_post_format();
                if ( in_array( $post_format, array( 'video', 'gallery' ) ) ) {
                    $no_thumb_class = '';
                }

                // Print output
                ?>
                    <article id="" <?php post_class( 'et_pb_post clearfix' . $no_thumb_class . $overlay_class ) ?>>
                        <?php
                            et_divi_post_format_content();

                            if ( ! in_array( $post_format, array( 'link', 'audio', 'quote' ) ) ) {
                                if ( 'video' === $post_format && false !== ( $first_video = et_get_first_video() ) ) :
                                    $video_overlay = has_post_thumbnail() ? sprintf(
                                        '<div class="et_pb_video_overlay" style="background-image: url(%1$s); background-size: cover;">
                                            <div class="et_pb_video_overlay_hover">
                                                <a href="#" class="et_pb_video_play"></a>
                                            </div>
                                        </div>',
                                        $thumb
                                    ) : '';

                                    printf(
                                        '<div class="et_main_video_container">
                                            %1$s
                                            %2$s
                                        </div>',
                                        $video_overlay,
                                        $first_video
                                    );
                                elseif ( 'gallery' === $post_format ) :
                                    et_pb_gallery_images( 'slider' );
                                elseif ( '' !== $thumb && 'on' === $args['show_thumbnail'] ) :
                                    if ( 'on' !== $args['fullwidth'] ) echo '<div class="et_pb_image_container">'; ?>
                                        <a href="<?php esc_url( the_permalink() ); ?>" class="entry-featured-image-url">
                                            <?php print_thumbnail( $thumb, $thumbnail["use_timthumb"], $titletext, $width, $height ); ?>
                                            <?php if ( 'on' === $args['use_overlay'] ) {
                                                echo $overlay_output;
                                            } ?>
                                        </a>
                                <?php
                                    if ( 'on' !== $args['fullwidth'] ) echo '</div> <!-- .et_pb_image_container -->';
                                endif;
                            }
                        ?>

                        <?php if ( 'off' === $args['fullwidth'] || ! in_array( $post_format, array( 'link', 'audio', 'quote' ) ) ) { ?>
                            <?php if ( ! in_array( $post_format, array( 'link', 'audio' ) ) ) { ?>
                                <<?php echo $processed_header_level; ?> class="entry-title"><a href="<?php esc_url( the_permalink() ); ?>"><?php the_title(); ?></a></<?php echo $processed_header_level; ?>>
                            <?php } ?>

                            <?php
                                if ( 'on' === $args['show_author'] || 'on' === $args['show_date'] || 'on' === $args['show_categories'] || 'on' === $args['show_comments'] ) {
                                    printf( '<p class="post-meta">%1$s %2$s %3$s %4$s %5$s %6$s %7$s</p>',
                                        (
                                            'on' === $args['show_author']
                                                ? et_get_safe_localization( sprintf( __( 'by %s', 'et_builder' ), '<span class="author vcard">' .  et_pb_get_the_author_posts_link() . '</span>' ) )
                                                : ''
                                        ),
                                        (
                                            ( 'on' === $args['show_author'] && 'on' === $args['show_date'] )
                                                ? ' | '
                                                : ''
                                        ),
                                        (
                                            'on' === $args['show_date']
                                                ? et_get_safe_localization( sprintf( __( '%s', 'et_builder' ), '<span class="published">' . esc_html( get_the_date( $args['meta_date'] ) ) . '</span>' ) )
                                                : ''
                                        ),
                                        (
                                            (( 'on' === $args['show_author'] || 'on' === $args['show_date'] ) && 'on' === $args['show_categories'] )
                                                ? ' | '
                                                : ''
                                        ),
                                        (
                                            'on' === $args['show_categories']
                                                ? get_the_category_list(', ')
                                                : ''
                                        ),
                                        (
                                            (( 'on' === $args['show_author'] || 'on' === $args['show_date'] || 'on' === $args['show_categories'] ) && 'on' === $args['show_comments'])
                                                ? ' | '
                                                : ''
                                        ),
                                        (
                                            'on' === $args['show_comments']
                                                ? sprintf( esc_html( _nx( '%s Comment', '%s Comments', get_comments_number(), 'number of comments', 'et_builder' ) ), number_format_i18n( get_comments_number() ) )
                                                : ''
                                        )
                                    );
                                }

                                $post_content = et_strip_shortcodes( et_delete_post_first_video( get_the_content() ), true );

                                // reset the fb processing flag
                                $et_fb_processing_shortcode_object = false;
                                // set the flag to indicate that we're processing internal content
                                $et_pb_rendering_column_content = true;
                                // reset all the attributes required to properly generate the internal styles
                                ET_Builder_Element::clean_internal_modules_styles();

                                echo '<div class="post-content">';

                                if ( 'on' === $args['show_content'] ) {
                                    global $more;

                                    // page builder doesn't support more tag, so display the_content() in case of post made with page builder
                                    if ( et_pb_is_pagebuilder_used( get_the_ID() ) ) {
                                        $more = 1;

                                        echo apply_filters( 'the_content', $post_content );

                                    } else {
                                        $more = null;
                                        echo apply_filters( 'the_content', et_delete_post_first_video( get_the_content( esc_html__( 'read more...', 'et_builder' ) ) ) );
                                    }
                                } else {
                                    if ( has_excerpt() ) {
                                        the_excerpt();
                                    } else {
                                        if ( '' !== $post_content ) {
                                            // set the $et_fb_processing_shortcode_object to false, to retrieve the content inside truncate_post() correctly
                                            $et_fb_processing_shortcode_object = false;
                                            echo wpautop( et_delete_post_first_video( strip_shortcodes( truncate_post( 270, false, '', true ) ) ) );
                                            // reset the $et_fb_processing_shortcode_object to its original value
                                            $et_fb_processing_shortcode_object = $global_processing_original_value;
                                        } else {
                                            echo '';
                                        }
                                    }
                                }

                                $et_fb_processing_shortcode_object = $global_processing_original_value;
                                // retrieve the styles for the modules inside Blog content
                                $internal_style = ET_Builder_Element::get_style( true );
                                // reset all the attributes after we retrieved styles
                                ET_Builder_Element::clean_internal_modules_styles( false );
                                $et_pb_rendering_column_content = false;
                                // append styles to the blog content
                                if ( $internal_style ) {
                                    printf(
                                        '<style type="text/css" class="et_fb_blog_inner_content_styles">
                                            %1$s
                                        </style>',
                                        $internal_style
                                    );
                                }

                                echo '</div>';

                                if ( 'on' !== $args['show_content'] ) {
                                    $more = 'on' == $args['show_more'] ? sprintf( ' <a href="%1$s" class="more-link" >%2$s</a>' , esc_url( get_permalink() ), esc_html__( 'read more', 'et_builder' ) )  : '';
                                    echo $more;
                                }
                                ?>
                        <?php } // 'off' === $fullwidth || ! in_array( $post_format, array( 'link', 'audio', 'quote', 'gallery' ?>
                    </article>
                <?php

                $et_fb_processing_shortcode_object = $global_processing_original_value;
            } // endwhile

            if ( 'on' !== $args['fullwidth'] ) {
                echo '</div>';
            }

            if ( 'on' === $args['show_pagination'] && ! $is_search ) {
                // echo '</div> <!-- .et_pb_posts -->'; // @todo this causes closing tag issue

                $container_is_closed = true;

                if ( function_exists( 'wp_pagenavi' ) ) {
                    wp_pagenavi( array(
                        'query' => $query
                    ) );
                } else {
                    if ( $et_is_builder_plugin_active ) {
                        include( ET_BUILDER_PLUGIN_DIR . 'includes/navigation.php' );
                    } else {
                        get_template_part( 'includes/navigation', 'index' );
                    }
                }
            }

            wp_reset_query();
        }

        wp_reset_postdata();

        // Reset $wp_query to its origin
        $wp_query = $wp_query_page;

        if ( ! $posts = ob_get_clean() ) {
            $posts = self::get_no_results_template();
        }

        return $posts;
    }

    function shortcode_callback( $atts, $content = null, $function_name ) {
        /**
         * Cached $wp_filter so it can be restored at the end of the callback.
         * This is needed because this callback uses the_content filter / calls a function
         * which uses the_content filter. WordPress doesn't support nested filter
         */
        global $wp_filter;
        $wp_filter_cache = $wp_filter;

        $module_id           = $this->shortcode_atts['module_id'];
        $module_class        = $this->shortcode_atts['module_class'];
        $fullwidth           = $this->shortcode_atts['fullwidth'];
        $posts_number        = $this->shortcode_atts['posts_number'];
        $excerpt_lenght      = $this->shortcode_atts['excerpt_lenght'];
        $include_categories  = $this->shortcode_atts['include_categories'];
        $meta_date           = $this->shortcode_atts['meta_date'];
        $show_thumbnail      = $this->shortcode_atts['show_thumbnail'];
        $show_content        = $this->shortcode_atts['show_content'];
        $show_author         = $this->shortcode_atts['show_author'];
        $show_date           = $this->shortcode_atts['show_date'];
        $show_categories     = $this->shortcode_atts['show_categories'];
        $show_comments       = $this->shortcode_atts['show_comments'];
        $show_pagination     = $this->shortcode_atts['show_pagination'];
        $background_layout   = $this->shortcode_atts['background_layout'];
        $show_more           = $this->shortcode_atts['show_more'];
        $offset_number       = $this->shortcode_atts['offset_number'];
        $masonry_tile_background_color = $this->shortcode_atts['masonry_tile_background_color'];
        $use_dropshadow      = $this->shortcode_atts['use_dropshadow'];
        $overlay_icon_color  = $this->shortcode_atts['overlay_icon_color'];
        $hover_overlay_color = $this->shortcode_atts['hover_overlay_color'];
        $hover_icon          = $this->shortcode_atts['hover_icon'];
        $use_overlay         = $this->shortcode_atts['use_overlay'];
        $header_level        = $this->shortcode_atts['header_level'];

        global $paged;

        $module_class              = ET_Builder_Element::add_module_order_class( $module_class, $function_name );
        $video_background          = $this->video_background();
        $parallax_image_background = $this->get_parallax_image_background();

        $container_is_closed = false;

        $processed_header_level = et_pb_process_header_level( $header_level, 'h2' );

        // some themes do not include these styles/scripts so we need to enqueue them in this module to support audio post format
        wp_enqueue_style( 'wp-mediaelement' );
        wp_enqueue_script( 'wp-mediaelement' );

        // include easyPieChart which is required for loading Blog module content via ajax correctly
        wp_enqueue_script( 'easypiechart' );

        // remove all filters from WP audio shortcode to make sure current theme doesn't add any elements into audio module
        remove_all_filters( 'wp_audio_shortcode_library' );
        remove_all_filters( 'wp_audio_shortcode' );
        remove_all_filters( 'wp_audio_shortcode_class');

        if ( '' !== $masonry_tile_background_color ) {
            ET_Builder_Element::set_style( $function_name, array(
                'selector'    => '%%order_class%%.et_pb_blog_grid .et_pb_post',
                'declaration' => sprintf(
                    'background-color: %1$s;',
                    esc_html( $masonry_tile_background_color )
                ),
            ) );
        }

        if ( '' !== $overlay_icon_color ) {
            ET_Builder_Element::set_style( $function_name, array(
                'selector'    => '%%order_class%% .et_overlay:before',
                'declaration' => sprintf(
                    'color: %1$s !important;',
                    esc_html( $overlay_icon_color )
                ),
            ) );
        }

        if ( '' !== $hover_overlay_color ) {
            ET_Builder_Element::set_style( $function_name, array(
                'selector'    => '%%order_class%% .et_overlay',
                'declaration' => sprintf(
                    'background-color: %1$s;',
                    esc_html( $hover_overlay_color )
                ),
            ) );
        }

        if ( 'on' === $use_overlay ) {
            $data_icon = '' !== $hover_icon
                ? sprintf(
                    ' data-icon="%1$s"',
                    esc_attr( et_pb_process_font_icon( $hover_icon ) )
                )
                : '';

            $overlay_output = sprintf(
                '<span class="et_overlay%1$s"%2$s></span>',
                ( '' !== $hover_icon ? ' et_pb_inline_icon' : '' ),
                $data_icon
            );
        }

        $overlay_class = 'on' === $use_overlay ? ' et_pb_has_overlay' : '';

        if ( 'on' !== $fullwidth ){
            if ( 'on' === $use_dropshadow ) {
                $module_class .= ' et_pb_blog_grid_dropshadow';
            }

            wp_enqueue_script( 'salvattore' );

            $background_layout = 'light';
        }

        $args = array( 'posts_per_page' => (int) $posts_number );

        $et_paged = is_front_page() ? get_query_var( 'page' ) : get_query_var( 'paged' );

        if ( is_front_page() ) {
            $paged = $et_paged;
        }

        if ( '' !== $include_categories )
            $args['cat'] = $include_categories;

        if ( ! is_search() ) {
            $args['paged'] = $et_paged;
        }

        if ( '' !== $offset_number && ! empty( $offset_number ) ) {
            /**
             * Offset + pagination don't play well. Manual offset calculation required
             * @see: https://codex.wordpress.org/Making_Custom_Queries_using_Offset_and_Pagination
             */
            if ( $paged > 1 ) {
                $args['offset'] = ( ( $et_paged - 1 ) * intval( $posts_number ) ) + intval( $offset_number );
            } else {
                $args['offset'] = intval( $offset_number );
            }
        }

        if ( is_single() && ! isset( $args['post__not_in'] ) ) {
            $args['post__not_in'] = array( get_the_ID() );
        }

        ob_start();

        query_posts( $args );

        if ( have_posts() ) {
            if ( 'off' === $fullwidth ) {
                echo '<div class="et_pb_salvattore_content" data-columns>';
            }

            while ( have_posts() ) {
                the_post();

                $post_format = et_pb_post_format();

                $thumb = '';

                $width = 'on' === $fullwidth ? 1080 : 400;
                $width = (int) apply_filters( 'et_pb_blog_image_width', $width );

                $height = 'on' === $fullwidth ? 675 : 250;
                $height = (int) apply_filters( 'et_pb_blog_image_height', $height );
                $classtext = 'on' === $fullwidth ? 'et_pb_post_main_image' : '';
                $titletext = get_the_title();
                $thumbnail = get_thumbnail( $width, $height, $classtext, $titletext, $titletext, false, 'Blogimage' );
                $thumb = $thumbnail["thumb"];

                $no_thumb_class = '' === $thumb || 'off' === $show_thumbnail ? ' et_pb_no_thumb' : '';

                if ( in_array( $post_format, array( 'video', 'gallery' ) ) ) {
                    $no_thumb_class = '';
                } ?>

            <article id="post-<?php the_ID(); ?>" <?php post_class( 'et_pb_post clearfix' . $no_thumb_class . $overlay_class  ); ?>>

            <?php
                et_divi_post_format_content();

                if ( ! in_array( $post_format, array( 'link', 'audio', 'quote' ) ) ) {
                    if ( 'video' === $post_format && false !== ( $first_video = et_get_first_video() ) ) :
                        $video_overlay = has_post_thumbnail() ? sprintf(
                            '<div class="et_pb_video_overlay" style="background-image: url(%1$s); background-size: cover;">
                                <div class="et_pb_video_overlay_hover">
                                    <a href="#" class="et_pb_video_play"></a>
                                </div>
                            </div>',
                            $thumb
                        ) : '';

                        printf(
                            '<div class="et_main_video_container">
                                %1$s
                                %2$s
                            </div>',
                            $video_overlay,
                            $first_video
                        );
                    elseif ( 'gallery' === $post_format ) :
                        et_pb_gallery_images( 'slider' );
                    elseif ( '' !== $thumb && 'on' === $show_thumbnail ) :
                        if ( 'on' !== $fullwidth ) echo '<div class="et_pb_image_container">'; ?>
                            <a href="<?php esc_url( the_permalink() ); ?>" class="entry-featured-image-url">
                                <?php print_thumbnail( $thumb, $thumbnail["use_timthumb"], $titletext, $width, $height ); ?>
                                <?php if ( 'on' === $use_overlay ) {
                                    echo $overlay_output;
                                } ?>
                            </a>
                    <?php
                        if ( 'on' !== $fullwidth ) echo '</div> <!-- .et_pb_image_container -->';
                    endif;
                } ?>

            <?php if ( 'off' === $fullwidth || ! in_array( $post_format, array( 'link', 'audio', 'quote' ) ) ) { ?>
                <?php if ( ! in_array( $post_format, array( 'link', 'audio' ) ) ) { ?>
                    <<?php echo $processed_header_level; ?> class="entry-title"><a href="<?php esc_url( the_permalink() ); ?>"><?php the_title(); ?></a></<?php echo $processed_header_level; ?>>
                <?php } ?>

                <?php
                    if ( 'on' === $show_author || 'on' === $show_date || 'on' === $show_categories || 'on' === $show_comments ) {
                        printf( '<p class="post-meta">%1$s %2$s %3$s %4$s %5$s %6$s %7$s</p>',
                            (
                                'on' === $show_author
                                    ? et_get_safe_localization( sprintf( __( 'by %s', 'et_builder' ), '<span class="author vcard">' .  et_pb_get_the_author_posts_link() . '</span>' ) )
                                    : ''
                            ),
                            (
                                ( 'on' === $show_author && 'on' === $show_date )
                                    ? ' | '
                                    : ''
                            ),
                            (
                                'on' === $show_date
                                    ? et_get_safe_localization( sprintf( __( '%s', 'et_builder' ), '<span class="published">' . esc_html( get_the_date( $meta_date ) ) . '</span>' ) )
                                    : ''
                            ),
                            (
                                (( 'on' === $show_author || 'on' === $show_date ) && 'on' === $show_categories)
                                    ? ' | '
                                    : ''
                            ),
                            (
                                'on' === $show_categories
                                    ? get_the_category_list(', ')
                                    : ''
                            ),
                            (
                                (( 'on' === $show_author || 'on' === $show_date || 'on' === $show_categories ) && 'on' === $show_comments)
                                    ? ' | '
                                    : ''
                            ),
                            (
                                'on' === $show_comments
                                    ? sprintf( esc_html( _nx( '%s Comment', '%s Comments', get_comments_number(), 'number of comments', 'et_builder' ) ), number_format_i18n( get_comments_number() ) )
                                    : ''
                            )
                        );
                    }

                    echo '<div class="post-content">';
                    global $et_pb_rendering_column_content;

                    $post_content = et_strip_shortcodes( et_delete_post_first_video( get_the_content() ), true );

                    $et_pb_rendering_column_content = true;

                    if ( 'on' === $show_content ) {
                        global $more;

                        // page builder doesn't support more tag, so display the_content() in case of post made with page builder
                        if ( et_pb_is_pagebuilder_used( get_the_ID() ) ) {
                            $more = 1;
                            echo apply_filters( 'the_content', $post_content );
                        } else {
                            $more = null;
                            echo apply_filters( 'the_content', et_delete_post_first_video( get_the_content( esc_html__( 'read more...', 'et_builder' ) ) ) );
                        }
                    } else {
                        if ( has_excerpt() ) {
                            the_excerpt();
                        } else {
                            echo wpautop( et_delete_post_first_video( strip_shortcodes( truncate_post( $excerpt_lenght, false, '', true ) ) ) );
                        }
                    }

                    $et_pb_rendering_column_content = false;

                    if ( 'on' !== $show_content ) {
                        $more = 'on' == $show_more ? sprintf( ' <a href="%1$s" class="more-link" >%2$s</a>' , esc_url( get_permalink() ), esc_html__( 'read more', 'et_builder' ) )  : '';
                        echo $more;
                    }

                    echo '</div>';
                    ?>
            <?php } // 'off' === $fullwidth || ! in_array( $post_format, array( 'link', 'audio', 'quote', 'gallery' ?>

            </article> <!-- .et_pb_post -->
    <?php
            } // endwhile

            if ( 'off' === $fullwidth ) {
                echo '</div><!-- .et_pb_salvattore_content -->';
            }

            if ( 'on' === $show_pagination && ! is_search() ) {
                if ( function_exists( 'wp_pagenavi' ) ) {
                    wp_pagenavi();
                } else {
                    if ( et_is_builder_plugin_active() ) {
                        include( ET_BUILDER_PLUGIN_DIR . 'includes/navigation.php' );
                    } else {
                        get_template_part( 'includes/navigation', 'index' );
                    }
                }

                echo '</div> <!-- .et_pb_posts -->';

                $container_is_closed = true;
            }
        } else {
            if ( et_is_builder_plugin_active() ) {
                include( ET_BUILDER_PLUGIN_DIR . 'includes/no-results.php' );
            } else {
                get_template_part( 'includes/no-results', 'index' );
            }
        }

        wp_reset_query();

        $posts = ob_get_contents();

        ob_end_clean();

        $class = " et_pb_module et_pb_bg_layout_{$background_layout}";

        $output = sprintf(
            '<div%5$s class="%1$s%3$s%6$s%7$s%9$s%11$s">
                %10$s
                %8$s
                <div class="et_pb_ajax_pagination_container">
                    %2$s
                </div>
            %4$s',
            ( 'on' === $fullwidth ? 'et_pb_posts' : 'et_pb_blog_grid clearfix' ),
            $posts,
            esc_attr( $class ),
            ( ! $container_is_closed ? '</div> <!-- .et_pb_posts -->' : '' ),
            ( '' !== $module_id ? sprintf( ' id="%1$s"', esc_attr( $module_id ) ) : '' ),
            ( '' !== $module_class ? sprintf( ' %1$s', esc_attr( $module_class ) ) : '' ),
            '' !== $video_background ? ' et_pb_section_video et_pb_preload' : '',
            $video_background,
            '' !== $parallax_image_background ? ' et_pb_section_parallax' : '',
            $parallax_image_background,
            'on' === $fullwidth ? $this->get_text_orientation_classname() : ''
        );

        if ( 'on' !== $fullwidth ) {
            $output = sprintf( '<div class="et_pb_blog_grid_wrapper">%1$s</div>', $output );
        }

        // Restore $wp_filter
        $wp_filter = $wp_filter_cache;
        unset($wp_filter_cache);

        return $output;
    }

    public function process_box_shadow( $function_name ) {
        /**
         * @var ET_Builder_Module_Field_BoxShadow $boxShadow
         */
        $boxShadow = ET_Builder_Module_Fields_Factory::get( 'BoxShadow' );
        $selector = '.' . self::get_module_order_class( $function_name );

        if ( isset( $this->shortcode_atts['fullwidth'] ) && $this->shortcode_atts['fullwidth'] === 'off' ) {
            $selector .= ' article.et_pb_post';
        }

        self::set_style( $function_name, $boxShadow->get_style( $selector, $this->shortcode_atts ) );
    }
}