Complex classes like CMB2_hookup often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use CMB2_hookup, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 14 | class CMB2_hookup extends CMB2_Hookup_Base { |
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| 15 | |||
| 16 | /** |
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| 17 | * Array of all hooks done (to be run once) |
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| 18 | * @var array |
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| 19 | * @since 2.0.0 |
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| 20 | */ |
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| 21 | protected static $hooks_completed = array(); |
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| 22 | |||
| 23 | /** |
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| 24 | * Only allow JS registration once |
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| 25 | * @var bool |
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| 26 | * @since 2.0.7 |
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| 27 | */ |
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| 28 | protected static $js_registration_done = false; |
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| 29 | |||
| 30 | /** |
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| 31 | * Only allow CSS registration once |
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| 32 | * @var bool |
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| 33 | * @since 2.0.7 |
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| 34 | */ |
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| 35 | protected static $css_registration_done = false; |
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| 36 | |||
| 37 | /** |
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| 38 | * CMB taxonomies array for term meta |
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| 39 | * @var array |
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| 40 | * @since 2.2.0 |
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| 41 | */ |
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| 42 | protected $taxonomies = array(); |
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| 43 | |||
| 44 | /** |
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| 45 | * Constructor |
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| 46 | * @since 2.0.0 |
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| 47 | * @param CMB2 $cmb The CMB2 object to hookup |
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| 48 | */ |
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| 49 | public function __construct( CMB2 $cmb ) { |
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| 53 | |||
| 54 | public function universal_hooks() { |
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| 80 | |||
| 81 | public function post_hooks() { |
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| 89 | |||
| 90 | public function comment_hooks() { |
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| 96 | |||
| 97 | public function user_hooks() { |
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| 125 | |||
| 126 | public function term_hooks() { |
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| 160 | |||
| 161 | /** |
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| 162 | * Registers styles for CMB2 |
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| 163 | * @since 2.0.7 |
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| 164 | */ |
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| 165 | protected static function register_styles() { |
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| 181 | |||
| 182 | /** |
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| 183 | * Registers scripts for CMB2 |
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| 184 | 1 | * @since 2.0.7 |
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| 185 | 1 | */ |
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| 186 | 1 | protected static function register_js() { |
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| 196 | |||
| 197 | /** |
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| 198 | * Registers scripts and styles for CMB2 |
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| 199 | 1 | * @since 1.0.0 |
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| 200 | 1 | */ |
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| 201 | public static function register_scripts() { |
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| 205 | 1 | ||
| 206 | /** |
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| 207 | 1 | * Enqueues scripts and styles for CMB2 |
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| 208 | 1 | * @since 1.0.0 |
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| 209 | */ |
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| 210 | public function do_scripts( $hook ) { |
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| 221 | |||
| 222 | /** |
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| 223 | * Add metaboxes (to 'post' or 'comment' object types) |
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| 224 | * @since 1.0.0 |
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| 225 | */ |
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| 226 | public function add_metaboxes() { |
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| 252 | |||
| 253 | /** |
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| 254 | * Add 'closed' class to metabox |
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| 255 | * @since 2.0.0 |
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| 256 | * @param array $classes Array of classes |
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| 257 | * @return array Modified array of classes |
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| 258 | */ |
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| 259 | public function close_metabox_class( $classes ) { |
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| 263 | |||
| 264 | /** |
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| 265 | * Display metaboxes for a post or comment object |
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| 266 | * @since 1.0.0 |
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| 267 | */ |
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| 268 | public function metabox_callback() { |
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| 272 | |||
| 273 | /** |
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| 274 | * Display metaboxes for new user page |
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| 275 | * @since 1.0.0 |
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| 276 | */ |
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| 277 | public function user_new_metabox( $section ) { |
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| 284 | |||
| 285 | /** |
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| 286 | * Display metaboxes for a user object |
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| 287 | * @since 1.0.0 |
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| 288 | */ |
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| 289 | public function user_metabox() { |
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| 292 | |||
| 293 | /** |
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| 294 | * Display metaboxes for a taxonomy term object |
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| 295 | * @since 2.2.0 |
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| 296 | */ |
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| 297 | public function term_metabox() { |
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| 300 | |||
| 301 | /** |
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| 302 | * Display metaboxes for an object type |
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| 303 | * @since 2.2.0 |
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| 304 | * @param string $type Object type |
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| 305 | * @return void |
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| 306 | */ |
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| 307 | public function show_form_for_type( $type ) { |
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| 325 | |||
| 326 | /** |
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| 327 | * Determines if metabox should be shown in current context |
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| 328 | * @since 2.0.0 |
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| 329 | * @return bool Whether metabox should be added/shown |
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| 330 | */ |
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| 331 | public function show_on() { |
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| 346 | |||
| 347 | /** |
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| 348 | * Save data from post metabox |
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| 349 | * @since 1.0.0 |
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| 350 | * @param int $post_id Post ID |
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| 351 | * @param mixed $post Post object |
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| 352 | * @return null |
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| 353 | */ |
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| 354 | public function save_post( $post_id, $post = false ) { |
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| 373 | |||
| 374 | /** |
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| 375 | * Save data from comment metabox |
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| 376 | * @since 2.0.9 |
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| 377 | * @param int $comment_id Comment ID |
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| 378 | * @return null |
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| 379 | */ |
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| 380 | public function save_comment( $comment_id ) { |
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| 388 | |||
| 389 | /** |
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| 390 | * Save data from user fields |
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| 391 | * @since 1.0.x |
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| 392 | * @param int $user_id User ID |
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| 393 | * @return null |
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| 394 | */ |
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| 395 | public function save_user( $user_id ) { |
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| 401 | |||
| 402 | /** |
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| 403 | * Save data from term fields |
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| 404 | * @since 1.0.x |
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| 405 | * @param int $term_id Term ID |
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| 406 | * @param int $tt_id Term Taxonomy ID |
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| 407 | * @param string $taxonomy Taxonomy |
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| 408 | * @return null |
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| 409 | */ |
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| 410 | public function save_term( $term_id, $tt_id, $taxonomy = '' ) { |
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| 418 | |||
| 419 | /** |
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| 420 | * Delete term meta when a term is deleted. |
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| 421 | * @since 1.0.x |
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| 422 | * @param int $term_id Term ID |
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| 423 | * @param int $tt_id Term Taxonomy ID |
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| 424 | * @param string $taxonomy Taxonomy |
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| 425 | * @return null |
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| 426 | */ |
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| 427 | public function delete_term( $term_id, $tt_id, $taxonomy = '' ) { |
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| 437 | |||
| 438 | /** |
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| 439 | * Determines if the current object is able to be saved |
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| 440 | * @since 2.0.9 |
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| 441 | * @param string $type Current post_type or comment_type |
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| 442 | * @return bool Whether object can be saved |
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| 443 | */ |
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| 444 | public function can_save( $type = '' ) { |
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| 456 | |||
| 457 | /** |
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| 458 | * Determine if taxonomy of term being modified is cmb2-editable. |
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| 459 | * @since 2.2.0 |
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| 460 | * @param string $taxonomy Taxonomy of term being modified. |
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| 461 | * @return bool Whether taxonomy is editable. |
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| 462 | */ |
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| 463 | public function taxonomy_can_save( $taxonomy ) { |
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| 478 | |||
| 479 | /** |
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| 480 | * Includes CMB2 styles |
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| 481 | * @since 2.0.0 |
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| 482 | */ |
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| 483 | public static function enqueue_cmb_css() { |
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| 491 | |||
| 492 | /** |
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| 493 | * Includes CMB2 JS |
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| 494 | * @since 2.0.0 |
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| 495 | */ |
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| 496 | public static function enqueue_cmb_js() { |
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| 504 | |||
| 505 | } |
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| 506 |
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.