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✏️ Editing: class-model-main_content.php

<?php
//Model id : usually 'main_content'
class CZR_main_content_model_class extends CZR_Model {
      /*
      * @override
      */
      function __construct( $model ) {

parent::__construct( $model );

//in singular context we might want to display the featured image for standard headings
            $this -> czr_fn_process_singular_thumbnail();

//in singular context handle where to display blocks like:
            // - author info (single),
            // - related posts (single),
            // - comments (page)
            $this -> czr_fn_process_singular_blocks();

$children = array(

array(

//registered here also because we access to its properties from other templates
                        //which as of now is only possibile with already registered models
                        'model_class' => 'content/post-metas/post_metas',
                        'id' => 'post_metas',

/*********************************************
                  * SLIDER
                  *********************************************/
                  /* Need to be registered before rendering because of the custom style*/
                  array(

'template'    => 'modules/slider/slider',
                        'id'          => 'main_slider',
                        'hook'        => '__before_main_wrapper',
                        'priority'    => 10

),
                  //slider of posts
                  array(

'id'          => 'main_posts_slider',
                        'model_class' => array( 'parent' => 'modules/slider/slider', 'name' => 'modules/slider/slider_of_posts' ),
                        'template'    => 'modules/slider/slider',
                        'hook'        => '__before_main_wrapper',
                        'priority'    => 10
                  ),

/** end slider **/

/*********************************************
                  * Featured Pages
                  *********************************************/
                  /* contains the featured page item registration */
                  array(
                        'id'          => 'featured_pages',
                        'template'    => 'modules/featured-pages/featured_pages',
                        'hook'        => '__before_main_container',
                        'priority'    => 10
                  ),
                  /** end featured pages **/

/*********************************************
                  * Breadcrumbs
                  *********************************************/
                  /* contains the featured page item registration */
                  array(
                        'id'          => 'breadcrumb',
                        'template'    => 'modules/common/breadcrumb',
                        'hook'        => '__before_main_container',
                        'priority'    => 20
                  ),
                  /** end featured pages **/

/* Needs to access the czr_user_options_style */
                  /*********************************************
                  * GRID (POST LIST)
                  *********************************************/
                  array(

'id'          => 'post_list_grid',
                        'model_class' => 'modules/grid/grid_wrapper',

),
                  /* END GRID */
            );

foreach ( $children as $id => $model ) {
              CZR() -> collection -> czr_fn_register( $model );
            }//foreach
      }

function czr_fn_process_singular_thumbnail() {

if ( ! is_singular() )
                  return;

$context =  is_single() ? 'post' : 'page';

//do nothing if we don't display regular {context} heading
            if ( ! czr_fn_is_registered_or_possible( "regular_{$context}_heading" ) ) {
                  return;
            }

// options : 'tc_single_post_thumb_location' and 'tc_single_page_thumb_location'
            //__before_main_wrapper, 200
            //__before_regular_{post|page}_heading_title
            //__after_regular_{post|page}_heading_title
            $_singular_thumb_option = czr_fn_opt( "tc_single_${context}_thumb_location" );

//nothing to do:
            if ( ! ( $_singular_thumb_option && 'hide' !== $_singular_thumb_option ) ) {
                  return;
            }

//define old customizr compatibility map:
            $_compat_location_hook_map = array(
                  //old hook                => new_hook
                  '__before_main_wrapper'   => '__before_main_wrapper',
                  '__before_content'        => '__before_regular_heading_title',
                  '__after_content_title'   => '__after_regular_heading_title',
            );

//process location
            $_exploded_location   = explode('|', $_singular_thumb_option );
            $_hook                = isset( $_exploded_location[0] ) ? $_exploded_location[0] : '__before_content';
            //map the old location hook to the new location hook
            $_hook                = array_key_exists( $_hook, $_compat_location_hook_map ) ? $_compat_location_hook_map[ $_hook ] : '__before_regular_heading_title';

//let's prepare the thumb
            //register the model and the template for displaying the thumbnail at a specific hook
            $singular_thumb_model_id = czr_fn_register( array(
                'template' => 'content/common/media',
                'id'         => 'singular_thumbnail',
                'hook'       => $_hook,
                'args'       => array(
                      'media_type'               => 'wp_thumb',
                      'has_permalink'            => false,
                      'has_lightbox'             => false,
                      'element_class'            => array('tc-singular-thumbnail-wrapper', $_hook),
                      //slider full when __before_main_wrapper otherwise take the original one
                      'thumb_size'               => '__before_main_wrapper' == $_hook ? 'slider-full' : null
                ),
                'priority'   => 15,
                'controller' => 'singular_thumbnail'
            ) );

//control the visibility
            add_filter( "czr_do_render_view_{$singular_thumb_model_id}", array( $this, 'czr_fn_display_view_singular_thumbnail' ), 100, 2 );

//css
            //needed only when not __after_regular_heading_title?
            //if ( '__after_regular_heading_title' != $_hook ) {

add_filter( 'czr_user_options_style'    , array( $this , 'czr_fn_write_thumbnail_inline_css') );

//}

}

/*
      * Singular thumbnail stuff
      *
      * TODO : maybe create a specific model
      * slider and fi before main wrapper xor
      */
      function czr_fn_display_view_singular_thumbnail( $bool, $model ) {

if ( !$bool )
          return;

$_hook = isset( $model->hook ) ? $model->hook : false;

if ( !$_hook )
          return $bool;

$_slider_shown = ( did_action( '__after_carousel_inner' ) );

return '__before_main_wrapper' == $_hook && $_slider_shown ? false : $bool;

}

function czr_fn_write_thumbnail_inline_css( $_css ) {
            $context =  is_single() ? 'post' : 'page';

// feb 2020 implemented for https://github.com/presscustomizr/customizr/issues/1803
            if ( czr_fn_is_checked( "tc_single_{$context}_thumb_natural" ) )
              return $_css;

$_thumb_smartphone_height   = apply_filters( "tc_single_{$context}_thumb_smartphone_height", esc_attr( czr_fn_opt( "tc_single_{$context}_thumb_smartphone_height" ) ) );

$_thumb_smartphone_height   = (! $_thumb_smartphone_height || ! is_numeric($_thumb_smartphone_height) ) ? 200 : $_thumb_smartphone_height;

$_thumb_height              = apply_filters( "tc_single_{$context}_thumb_height", esc_attr( czr_fn_opt( "tc_single_{$context}_thumb_height" ) ) );
            $_thumb_height              = (! $_thumb_height || ! is_numeric($_thumb_height) ) ? 250 : $_thumb_height;

$_css                       = sprintf("%s\n%s",
              $_css,
              ".tc-singular-thumbnail-wrapper .entry-media__wrapper {
                max-height: {$_thumb_smartphone_height}px;
                height :{$_thumb_smartphone_height}px
              }\n"
            );

if ( $_thumb_smartphone_height != $_thumb_height ) {
              $css_mq_breakpoints         = CZR_init::$instance->css_mq_breakpoints;
              $_css                       = sprintf("%s\n@media (min-width: %spx ){\n%s\n}\n",
                $_css,
                $css_mq_breakpoints[ 'sm' ], //sm breakpoint up: 576px
                ".tc-singular-thumbnail-wrapper .entry-media__wrapper {
                  max-height: {$_thumb_height}px;
                  height :{$_thumb_height}px
                }"
              );
            }
            return $_css;
      }

/**
      * In singular context handle where to display blocks like:
      *  - author info (single),
      *  - related posts (single),
      *  - comments (singular)
      *
      * @return void
      */
      private function czr_fn_process_singular_blocks() {

$_option_name_model_configuration = array(
                  //option name => model
                  'tc_single_author_block_location'         => array(
                      'template' => 'content/singular/authors/author_info',
                      'priority' => 10,
                      'controller'       => 'single_author_info'

),
                  'tc_single_related_posts_block_location'  => array(
                      'template' => 'modules/related-posts/related_posts',
                      'priority' => 20
                  ),
                  'tc_singular_comments_block_location'     => array(
                      'template' => 'content/singular/comments/comments',
                      'priority' => 30
                  ),
            );

$_option_location_hook     = array(
                  //option value    => hook
                  'below_post_content' => '__after_loop',
                  'below_main_content' => '__after_content'
            );

//register our models using the model configuration array linked to each option
            foreach ( $_option_name_model_configuration as $_option_name => $model_configuration ) {
                  //retrieve the location option
                  $_location_info = esc_attr( czr_fn_opt( $_option_name ) );

//let's register our model specifying at which action hook its template must be printed
                  if ( $_location_info && array_key_exists( $_location_info, $_option_location_hook ) ) {
                        $model_configuration[ 'hook' ]  =  $_option_location_hook [ $_location_info ];
                        //when displayed below the main content (__after_content) blocks need additional classes
                        if ( 'below_main_content' == $_location_info ) {
                              $model_configuration[ 'args' ]  =  array(
                                  'element_class' => 'col-12 order-md-last'
                              );
                        }

czr_fn_register( $model_configuration );
                  }
            }
      }
}

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