Extending WordPress the WordPress Way vs. the Sunrise Way

wordpress-vs-sunrise-way.php

<?php
/**
 * This is a hypothetical example showing how to add two columns to a 'person' post type using
 * WordPress' way vs. the a potential future Sunrise Way:
 */

/**
 * Here is how you might do it in the WordPress way.
 */

add_filter( 'manage_person_posts_columns', 'mysite_manage_person_posts_columns' );
add_action( 'manage_person_posts_custom_column', 'mysite_manage_person_posts_custom_column', 10, 2 );

function mysite_manage_person_posts_columns( $columns ) {
  $columns = array();
  $columns['title'] = 'Title';
  $columns['practice-areas'] = 'Practice Areas';
  $columns['positions'] = 'Position';
  $columns['status'] = 'Status';
  return $columns;
}
function mysite_manage_person_posts_custom_column( $column, $post_id ) {
  switch ( $column ) {
    case 'practice-areas':
       // Code to get practice areas here
      break;

    case 'positions':
       // Code to get positions here
      break;

    case 'status':
      echo ucfirst( get_post_status( $post_id ) );
      break;
  }
}




/**
 * Here is the potential approach Sunrise is likely to use (this 
 * part is not yet implemented which is why I type "potential.")
 */

add_action( 'init', 'mysite_init' );

function mysite_init() {
  sr_register_post_column( 'person', 'title', array(
    'label' => 'Title',
  ));
  
  sr_register_post_column( 'person', 'practice-areas', array(
    'label' => 'Practice Areas',
    'source' => 'related_post',
    'related_type' => 'practice-area',
  ));
  
  sr_register_post_column( 'person', 'positions', array(
    'label' => 'Position',
    'source' => 'taxonomy',
    'taxonomy' => 'person-position',
  ));
  
  sr_register_post_column( 'person', 'status', array(
    'label' => 'Status',
  ));
);

/**
 * Here's another more streamlined approach
 */

function mysite_init() {
  sr_register_post_columns( 'person', array(
    'title' => array(
      'label' => 'Title',
    ),    
    'practice-areas' => array(
      'label' => 'Practice Areas',
      'source' => 'related_post',
      'related_type' => 'practice-area',
    ),
    'positions' => array(
      'label' => 'Position',
      'source' => 'taxonomy',
      'taxonomy' => 'person-position',
    ),
    'status' => array(
      'label' => 'Status',
    ),
  );
);



/**
 * We are also planning YAML configuration file support, which will 
 * allow us to allow configurations something like this:
 */

----
columns:
  - post_type: person
    - title: 
      - label: Title
    - practice-areas:
      - label: Practice Areas
      - source: related_post
      - related_type: practice-area
    - positions:
      - label: Position
      - source: taxonomy
      - taxonomy: person-position
    - status: 
      - label: Status