Home featured page. Theme Customizr

<?php
/**
* Featured pages actions
*
*
* @package      Customizr
* @subpackage   classes
* @since        3.0
* @author       Nicolas GUILLAUME <nicolas@themesandco.com>
* @copyright    Copyright (c) 2013, Nicolas GUILLAUME
* @link         http://themesandco.com/customizr
* @license      http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*/

class TC_featured_pages {

    //Access any method or var of the class with classname::$instance -> var or method():
    static $instance;

    function __construct () {

        self::$instance =& $this;

        add_action  ( '__before_main_container'     , array( $this , 'tc_fp_block_display'), 10 );
    }



      /**
  	 * The template displaying the front page featured page block.
  	 *
  	 *
  	 * @package Customizr
  	 * @since Customizr 3.0
  	 */
    function tc_fp_block_display() {

    		//gets display options
    		$tc_show_featured_pages 	      = esc_attr( tc__f( '__get_option' , 'tc_show_featured_pages' ) );
    		$tc_show_featured_pages_img     = esc_attr( tc__f( '__get_option' , 'tc_show_featured_pages_img' ) );

        if ( !apply_filters( 'tc_show_fp', 0 != $tc_show_featured_pages && tc__f('__is_home') ) )
          return;

    		//gets the featured pages array and sets the fp layout
    		$fp_ids                         = apply_filters( 'tc_featured_pages_ids' , TC_init::$instance -> fp_ids);
        $fp_nb                          = count($fp_ids);
        $fp_per_row                     = apply_filters( 'tc_fp_per_line', 3 );

        //defines the span class
        $span_array = array(
          1 => 12,
          2 => 6,
          3 => 4,
          4 => 3,
          5 => 2,
          6 => 2,
          7 => 2
        );
        $span_value = 4;
        $span_value = ( $fp_per_row > 7) ? 1 : $span_value;
        $span_value = isset( $span_array[$fp_per_row] ) ? $span_array[$fp_per_row] :  $span_value;

        //save $args for filter
        $args = array($fp_ids, $fp_nb, $fp_per_row, $span_value);

    		?>

        <?php ob_start(); ?>

  			<div class="container marketing">

          <?php
            do_action ('__before_fp') ;

            $j = 1;
            for ($i = 1; $i <= $fp_nb ; $i++ ) {
                  printf('%1$s<div class="span%2$s fp-%3$s">%4$s</div>%5$s',
                      ( 1 == $j ) ? '<div class="row widget-area" role="complementary">' : '',
                      $span_value,
                      $fp_ids[$i - 1],
                      $this -> tc_fp_single_display( $fp_ids[$i - 1] , $tc_show_featured_pages_img ),
                      ( $j == $fp_per_row || $i == $fp_nb ) ? '</div>' : ''
                  );
            //set $j back to start value if reach $fp_per_row
            $j++;
            $j = ($j == ($fp_per_row + 1)) ? 1 : $j;
            }

            do_action ('__after_fp') ;
          ?>

  			</div><!-- .container -->

        <?php  echo !tc__f( '__is_home_empty') ? apply_filters( 'tc_after_fp_separator', '<hr class="featurette-divider '.current_filter().'">' ) : ''; ?>

       <?php
        $html = ob_get_contents();
        if ($html) ob_end_clean();
        echo apply_filters( 'tc_fp_block_display' , $html, $args );
	   }





	     /**
      * The template displaying one single featured page
      *
      * @package Customizr
      * @since Customizr 3.0
      * @param area are defined in featured-pages templates,show_img is a customizer option
      * @todo better area definition : dynamic
      */
      function tc_fp_single_display( $fp_single_id,$show_img) {
        //holder declaration
        $fp_holder_img                      = apply_filters ('fp_holder_img' , '<img data-src="holder.js/270x250" alt="Holder Thumbnail" />' );

        //if fps are not set
        if ( null == tc__f( '__get_option' , 'tc_featured_page_'.$fp_single_id ) ) {
            //admin link if user logged in
            $featured_page_link             = is_user_logged_in() ? apply_filters( 'tc_fp_link_url', admin_url().'customize.php' , $fp_single_id ) : '';
            $admin_link                     = is_user_logged_in() ? '<a href="'.admin_url().'customize.php" title="'.__( 'Customizer screen' , 'customizr' ).'">'.__( ' here' , 'customizr' ).'</a>' : '';

            //rendering
            $featured_page_id               =  null;
            $featured_page_title            =  apply_filters( 'tc_fp_title', __( 'Featured page' , 'customizr' ) );
            $text                           =  apply_filters(
                                                'tc_fp_text',
                                                sprintf( __( 'Featured page description text : use the page excerpt or set your own custom text in the Customizr screen%s.' , 'customizr' ),
                                                  $admin_link
                                                ),
                                                $fp_single_id,
                                                $featured_page_id
                                              );
            $fp_img                         =  apply_filters ('fp_img_src' , $fp_holder_img );

        }

        else {
            $featured_page_id               = esc_attr( tc__f( '__get_option' , 'tc_featured_page_'.$fp_single_id) );
            $featured_page_link             = apply_filters( 'tc_fp_link_url', get_permalink( $featured_page_id ), $fp_single_id );
            $featured_page_title            = apply_filters( 'tc_fp_title', get_the_title( $featured_page_id ), $fp_single_id, $featured_page_id );
            $featured_text                  = apply_filters( 'tc_fp_text', tc__f( '__get_option' , 'tc_featured_text_'.$fp_single_id ), $fp_single_id, $featured_page_id );
            $featured_text                  = apply_filters( 'tc_fp_text_sanitize', strip_tags( html_entity_decode( $featured_text ) ), $fp_single_id, $featured_page_id );

            //get the page/post object
            $page                           = get_post($featured_page_id);

            //set page excerpt as default text if no $featured_text
            $text                           = ( empty($featured_text) && !post_password_required($featured_page_id) ) ? strip_tags(apply_filters( 'the_content' , $page->post_excerpt )) : $featured_text ;
            $text                           = ( empty($text) && !post_password_required($featured_page_id) ) ? strip_tags(apply_filters( 'the_content' , $page->post_content )) : $text ;

            //limit text to 200 car
            $default_fp_text_length         = apply_filters( 'tc_fp_text_length', 200 );
            $text                           = ( strlen($text) > $default_fp_text_length ) ? substr( $text , 0 , strpos( $text, ' ' , $default_fp_text_length) ). ' ...' : $text;

            //set the image : uses thumbnail if any then >> the first attached image then >> a holder script
            $fp_img_size                    = apply_filters( 'tc_fp_img_size' , 'tc-thumb' );

            if ( has_post_thumbnail( $featured_page_id) ) {
                  $fp_img_id                = get_post_thumbnail_id( $featured_page_id);

                  //check if tc-thumb size exists for attachment and return large if not
                  $image                    = wp_get_attachment_image_src( $fp_img_id, $fp_img_size);
                  $fp_img_size              = ( null == $image[3] ) ? 'medium' : $fp_img_size ;

                  $fp_img                   = get_the_post_thumbnail( $featured_page_id , $fp_img_size);
                  //get height and width
                  $fp_img_height            = $image[2];
                  $fp_img_width             = $image[1];
              }

              //If not uses the first attached image
              else {
                  //look for attachements
                  $tc_args = array(
                    'numberposts'           =>  1,
                    'post_type'             =>  'attachment' ,
                    'post_status'           =>  null,
                    'post_parent'           =>  $featured_page_id,
                    'post_mime_type'        =>  array( 'image/jpeg' , 'image/gif' , 'image/jpg' , 'image/png' )
                    );

                    $attachments            = get_posts( $tc_args);

                    if ( $attachments) {

                        foreach ( $attachments as $attachment) {
                           //check if tc-thumb size exists for attachment and return large if not
                          $image            = wp_get_attachment_image_src( $attachment->ID, $fp_img_size );
                          $fp_img_size      = ( false == $image[3] ) ? 'medium' : $fp_img_size;
                          $fp_img           = wp_get_attachment_image( $attachment->ID, $fp_img_size );
                          //get height and width
                          $fp_img_height    = $image[2];
                          $fp_img_width     = $image[1];
                        }//end foreach

                    }//end if

              }//end else

              //finally we define a default holder if no thumbnail found or page is protected
              $fp_img                 = apply_filters ('fp_img_src' ,
                                      ( !isset( $fp_img) || post_password_required($featured_page_id) ) ? $fp_holder_img : $fp_img
                                      );
          }//end if

          //Let's render this
          ob_start();
          ?>

          <div class="widget-front">
            <?php
              if ( isset( $show_img) && $show_img == 1 ) { //check if image option is checked
                printf('<div class="thumb-wrapper %1$s">%2$s%3$s</div>',
                   ( $fp_img == $fp_holder_img ) ? 'tc-holder' : '',
                   apply_filters('tc_fp_round_div' , sprintf('<a class="round-div" href="%1$s" title="%2$s"></a>',
                                                    $featured_page_link,
                                                    $featured_page_title
                                                  ) ,
                                $fp_single_id ),
                   $fp_img
                );
              }//end if image enabled check


              //title block
              $tc_fp_title_block  = sprintf('<%1$s>%2$s</%1$s>',
                                  apply_filters( 'tc_fp_title_tag' , 'h2' ),
                                  $featured_page_title
              );
              echo apply_filters( 'tc_fp_title_block' , $tc_fp_title_block , $featured_page_title );

              //text block
              $tc_fp_text_block   = sprintf('<p class="fp-text-%1$s">%2$s</p>',
                                  $fp_single_id,
                                  $text
              );
              echo apply_filters( 'tc_fp_text_block' , $tc_fp_text_block , $fp_single_id , $text);

              //button block
              $tc_fp_button_block = sprintf('<a class="%1$s" href="%2$s" title="%3$s">%4$s</a>',
                                  apply_filters( 'tc_fp_button_class' , 'btn btn-primary fp-button', $fp_single_id ),
                                  $featured_page_link,
                                  $featured_page_title,
                                  apply_filters( 'tc_fp_button_text' , esc_attr( tc__f( '__get_option' , 'tc_featured_page_button_text') ) , $fp_single_id )
              );
              echo apply_filters( 'tc_fp_button_block' , $tc_fp_button_block , $featured_page_link , $featured_page_title , $fp_single_id );

            ?>

          </div><!-- /.widget-front -->

          <?php
          $html = ob_get_contents();
          if ($html) ob_end_clean();
          return apply_filters( 'tc_fp_single_display' , $html, $fp_single_id, $show_img, $fp_img, $featured_page_link, $featured_page_title, $text );
      }//end of function

 }//end of class