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 { |
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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 | * @var CMB2 object |
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39 | * @since 2.0.2 |
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40 | */ |
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41 | protected $cmb; |
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42 | |||
43 | /** |
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44 | * CMB taxonomies array for term meta |
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45 | * @var array |
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46 | * @since 2.2.0 |
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47 | */ |
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48 | protected $taxonomies = array(); |
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49 | |||
50 | /** |
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51 | * The object type we are performing the hookup for |
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52 | * @var string |
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53 | * @since 2.0.9 |
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54 | */ |
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55 | protected $object_type = 'post'; |
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56 | |||
57 | public function __construct( CMB2 $cmb ) { |
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78 | |||
79 | public function universal_hooks() { |
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90 | |||
91 | public function post_hooks() { |
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97 | |||
98 | public function comment_hooks() { |
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102 | |||
103 | public function user_hooks() { |
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114 | |||
115 | public function term_hooks() { |
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149 | |||
150 | /** |
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151 | * Registers styles for CMB2 |
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152 | * @since 2.0.7 |
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153 | */ |
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154 | 1 | protected static function register_styles() { |
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170 | |||
171 | /** |
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172 | * Registers scripts for CMB2 |
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173 | * @since 2.0.7 |
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174 | */ |
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175 | 1 | protected static function register_js() { |
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185 | |||
186 | /** |
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187 | * Registers scripts and styles for CMB2 |
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188 | * @since 1.0.0 |
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189 | */ |
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190 | public static function register_scripts() { |
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194 | |||
195 | /** |
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196 | * Enqueues scripts and styles for CMB2 in admin_head. |
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197 | * @since 1.0.0 |
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198 | */ |
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199 | public function do_scripts( $hook ) { |
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223 | |||
224 | /** |
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225 | * Add metaboxes (to 'post' or 'comment' object types) |
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226 | * @since 1.0.0 |
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227 | */ |
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228 | public function add_metaboxes() { |
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254 | |||
255 | /** |
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256 | * Add 'closed' class to metabox |
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257 | * @since 2.0.0 |
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258 | * @param array $classes Array of classes |
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259 | * @return array Modified array of classes |
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260 | */ |
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261 | public function close_metabox_class( $classes ) { |
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265 | |||
266 | /** |
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267 | * Display metaboxes for a post or comment object |
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268 | * @since 1.0.0 |
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269 | */ |
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270 | public function metabox_callback() { |
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274 | |||
275 | /** |
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276 | * Display metaboxes for new user page |
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277 | * @since 1.0.0 |
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278 | */ |
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279 | public function user_new_metabox( $section ) { |
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286 | |||
287 | /** |
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288 | * Display metaboxes for a user object |
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289 | * @since 1.0.0 |
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290 | */ |
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291 | public function user_metabox() { |
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294 | |||
295 | /** |
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296 | * Display metaboxes for a taxonomy term object |
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297 | * @since 2.2.0 |
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298 | */ |
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299 | public function term_metabox() { |
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302 | |||
303 | /** |
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304 | * Display metaboxes for an object type |
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305 | * @since 2.2.0 |
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306 | * @param string $type Object type |
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307 | * @return void |
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308 | */ |
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309 | public function show_form_for_type( $type ) { |
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327 | |||
328 | /** |
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329 | * Determines if metabox should be shown in current context |
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330 | * @since 2.0.0 |
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331 | * @return bool Whether metabox should be added/shown |
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332 | */ |
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333 | public function show_on() { |
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348 | |||
349 | /** |
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350 | * Get the CMB priority property set to numeric hook priority. |
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351 | * @since 2.2.0 |
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352 | * @param integer $default Default display hook priority. |
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353 | * @return integer Hook priority. |
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354 | */ |
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355 | public function get_priority( $default = 10 ) { |
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377 | |||
378 | /** |
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379 | * Save data from post metabox |
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380 | * @since 1.0.0 |
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381 | * @param int $post_id Post ID |
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382 | * @param mixed $post Post object |
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383 | * @return null |
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384 | */ |
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385 | public function save_post( $post_id, $post = false ) { |
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404 | |||
405 | /** |
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406 | * Save data from comment metabox |
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407 | * @since 2.0.9 |
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408 | * @param int $comment_id Comment ID |
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409 | * @return null |
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410 | */ |
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411 | public function save_comment( $comment_id ) { |
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419 | |||
420 | /** |
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421 | * Save data from user fields |
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422 | * @since 1.0.x |
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423 | * @param int $user_id User ID |
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424 | * @return null |
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425 | */ |
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426 | public function save_user( $user_id ) { |
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432 | |||
433 | /** |
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434 | * Save data from term fields |
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435 | * @since 2.2.0 |
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436 | * @param int $term_id Term ID |
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437 | * @param int $tt_id Term Taxonomy ID |
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438 | * @param string $taxonomy Taxonomy |
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439 | * @return null |
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440 | */ |
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441 | public function save_term( $term_id, $tt_id, $taxonomy = '' ) { |
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449 | |||
450 | /** |
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451 | * Delete term meta when a term is deleted. |
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452 | * @since 2.2.0 |
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453 | * @param int $term_id Term ID |
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454 | * @param int $tt_id Term Taxonomy ID |
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455 | * @param string $taxonomy Taxonomy |
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456 | * @return null |
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457 | */ |
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458 | public function delete_term( $term_id, $tt_id, $taxonomy = '' ) { |
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468 | |||
469 | /** |
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470 | * Determines if the current object is able to be saved |
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471 | * @since 2.0.9 |
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472 | * @param string $type Current post_type or comment_type |
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473 | * @return bool Whether object can be saved |
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474 | */ |
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475 | public function can_save( $type = '' ) { |
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487 | |||
488 | /** |
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489 | * Determine if taxonomy of term being modified is cmb2-editable. |
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490 | * @since 2.2.0 |
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491 | * @param string $taxonomy Taxonomy of term being modified. |
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492 | * @return bool Whether taxonomy is editable. |
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493 | */ |
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494 | public function taxonomy_can_save( $taxonomy ) { |
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507 | |||
508 | /** |
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509 | * Ensures WordPress hook only gets fired once |
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510 | * @since 2.0.0 |
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511 | * @param string $action The name of the filter to hook the $hook callback to. |
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512 | * @param callback $hook The callback to be run when the filter is applied. |
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513 | * @param integer $priority Order the functions are executed |
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514 | * @param int $accepted_args The number of arguments the function accepts. |
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515 | */ |
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516 | public function once( $action, $hook, $priority = 10, $accepted_args = 1 ) { |
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526 | |||
527 | /** |
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528 | * Includes CMB2 styles |
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529 | * @since 2.0.0 |
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530 | */ |
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531 | 1 | public static function enqueue_cmb_css() { |
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539 | |||
540 | /** |
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541 | * Includes CMB2 JS |
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542 | * @since 2.0.0 |
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543 | */ |
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544 | 1 | public static function enqueue_cmb_js() { |
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552 | |||
553 | } |
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554 |
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.