/**
	 * Add "dimofiles" custom field in quick edit
	 */
	function add_dimofili_post_column( $columns, $post_type ) {
	   switch ( $post_type ) {
	      case 'post':
	         $new_columns = array();
	         foreach( $columns as $key => $value ) {
	            $new_columns[ $key ] = $value;
	            if ( $key == 'title' )
	               $new_columns[ 'dimofiles' ] = 'Δημοφιλές άρθρο';
	         }
	         return $new_columns;
	   }
	   return $columns;
	}	 


	/**
	 * Add "grafei" custom field in quick edit
	 */
	function add_grafei_post_column( $columns, $post_type ) {
	   switch ( $post_type ) {
	      case 'post':
	         $new_columns = array();
	         foreach( $columns as $key => $value ) {
	            $new_columns[ $key ] = $value;
	            if ( $key == 'dimofiles' )
	               $new_columns[ 'grafei' ] = 'Γράφει';
	         }
	         return $new_columns;
	   }
	   return $columns;
	}	 
	
	add_filter( 'manage_posts_columns', 'add_dimofili_post_column', 10, 2 );
	add_filter( 'manage_posts_columns', 'add_grafei_post_column', 10, 2 );



	/**
	 * Add custom fields data in each column post
	 */
	function custom_fields_populate_post_column_data( $column_name, $post_id ) {
	   switch( $column_name ) {
	      
	      case 'dimofiles':
	      	$dimofiles = get_post_meta($post_id, 'dimofiles',true);
	      	$icon_yes = ($dimofiles == 1 ? '<span class="dashicons dashicons-yes"></span>' : '' );
	      	echo '<div id="dimofiles-' . $post_id . '" style="display: none; ">' . $dimofiles . '</div>';
	        echo '<div  style="text-align: center; ">' . $icon_yes. '</div>';
	        break;
	      
	      case 'grafei':
	      	echo '<div id="grafei-' . $post_id . '" style="">' . get_post_meta($post_id, 'grafei',true) . '</div>';
	        break;
	   }
	}

	
	add_action( 'manage_posts_custom_column', 'custom_fields_populate_post_column_data', 10, 2 );



	/**
	 * Add custom fields in quick edit
	 */
	function add_custom_fields_to_bulk_quick_edit_custom_box( $column_name, $post_type ) {
  	switch ( $post_type ) {
      case 'post':
      	switch( $column_name ) {
        	case 'dimofiles': ?>
          	<fieldset class="inline-edit-col-right">
              <div class="inline-edit-group">
            	  <label>
                  <span class="title">Δημοφιλές άρθρο</span>
              	    <input type="checkbox" name="dimofiles" />
                </label>
              </div>
             </fieldset>
		        <?php
    		    break;
          case 'grafei': ?>
    	      <fieldset class="inline-edit-col-right">
              <div class="inline-edit-group">
      	        <label>
                  <span class="title">Γράφει</span>
                    <input type="text" name="grafei" value="" size="50"/>
                </label>
              </div>
             </fieldset><?php
	         break;
         }
         break;
	   }
	}
	add_action( 'bulk_edit_custom_box', 'add_custom_fields_to_bulk_quick_edit_custom_box', 10, 2 );
	add_action( 'quick_edit_custom_box', 'add_custom_fields_to_bulk_quick_edit_custom_box', 10, 2 );


	/**
	 * Enqueue file /child-theme/assets/js/quick_edit.js
	 */
	function enqueue_custom_fields_edit_scripts() {
	   wp_enqueue_script( 'dimofiles-admin-edit', get_stylesheet_directory_uri() . '/assets/js/quick_edit.js', array( 'jquery', 'inline-edit-post' ), '', true );
	}
	add_action( 'admin_print_scripts-edit.php', 'enqueue_custom_fields_edit_scripts' );

	

	/**
	 * Save custom fields values in quick data
	 */
	function save_custom_fields_post( $post_id, $post ) {

	   // don't save for autosave
	   if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
	      return $post_id;

	   // dont save for revisions
	   if ( isset( $post->post_type ) && $post->post_type == 'revision' )
	      return $post_id;

	   switch( $post->post_type ) {
	      case 'post':

		if(isset($_POST['dimofiles'])) {
        		update_post_meta( $post_id, 'dimofiles', 1 );	
		} else {
			update_post_meta( $post_id, 'dimofiles', 0 );
		}

		if(isset($_POST['grafei'])) {
			update_post_meta( $post_id, 'grafei', $_POST['grafei'] );	
		} else {
			update_post_meta( $post_id, 'grafei', '' );
		}
	       break;

	   }

	}
	add_action( 'save_post','save_custom_fields_post', 1 , 2);