Merge pull request #97 from jjgrainger/feature/add-registrar-classes

Add Registrar Classes

Author: jjgrainger

.editorconfig

@@ -0,0 +1,8 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space

src/PostType.php

@@ -3,6 +3,7 @@
 namespace PostTypes;
 
 use PostTypes\Columns;
+use PostTypes\Registrars\PostTypeRegistrar;
 
 /**
  * PostType
@@ -215,67 +216,7 @@ public function columns()
      */
     public function register()
     {
-        // register the PostType
-        if (!post_type_exists($this->name)) {
-            add_action('init', [$this, 'registerPostType']);
-        } else {
-            add_filter('register_post_type_args', [$this, 'modifyPostType'], 10, 2);
-        }
-
-        // register Taxonomies to the PostType
-        add_action('init', [$this, 'registerTaxonomies']);
-
-        // modify filters on the admin edit screen
-        add_action('restrict_manage_posts', [$this, 'modifyFilters']);
-
-        if (isset($this->columns)) {
-            // modify the admin edit columns.
-            add_filter("manage_{$this->name}_posts_columns", [$this, 'modifyColumns'], 10, 1);
-
-            // populate custom columns
-            add_filter("manage_{$this->name}_posts_custom_column", [$this, 'populateColumns'], 10, 2);
-
-            // run filter to make columns sortable.
-            add_filter('manage_edit-'.$this->name.'_sortable_columns', [$this, 'setSortableColumns']);
-
-            // run action that sorts columns on request.
-            add_action('pre_get_posts', [$this, 'sortSortableColumns']);
-        }
-    }
-
-    /**
-     * Register the PostType
-     * @return void
-     */
-    public function registerPostType()
-    {
-        // create options for the PostType
-        $options = $this->createOptions();
-
-        // check that the post type doesn't already exist
-        if (!post_type_exists($this->name)) {
-            // register the post type
-            register_post_type($this->name, $options);
-        }
-    }
-
-    /**
-     * Modify the existing Post Type.
-     *
-     * @return array
-     */
-    public function modifyPostType(array $args, string $posttype)
-    {
-        if ($posttype !== $this->name) {
-            return $args;
-        }
-
-        // create options for the PostType
-        $options = $this->createOptions();
-
-        $args = array_replace_recursive($args, $options);
-
-        return $args;
+        (new PostTypeRegistrar($this))->register();
     }
 
     /**
@@ -380,73 +321,6 @@ public function createLabels()
         return array_replace_recursive($labels, $this->labels);
     }
 
-    /**
-     * Register Taxonomies to the PostType
-     * @return void
-     */
-    public function registerTaxonomies()
-    {
-        if (!empty($this->taxonomies)) {
-            foreach ($this->taxonomies as $taxonomy) {
-                register_taxonomy_for_object_type($taxonomy, $this->name);
-            }
-        }
-    }
-
-    /**
-     * Modify and display filters on the admin edit screen
-     * @param  string $posttype The current screen post type
-     * @return void
-     */
-    public function modifyFilters($posttype)
-    {
-        // first check we are working with the this PostType
-        if ($posttype === $this->name) {
-            // calculate what filters to add
-            $filters = $this->getFilters();
-
-            foreach ($filters as $taxonomy) {
-                // if the taxonomy doesn't exist, ignore it
-                if (!taxonomy_exists($taxonomy)) {
-                    continue;
-                }
-
-                // If the taxonomy is not registered to the post type, continue.
-                if (!is_object_in_taxonomy($this->name, $taxonomy)) {
-                    continue;
-                }
-
-                // get the taxonomy object
-                $tax = get_taxonomy($taxonomy);
-
-                // start the html for the filter dropdown
-                $selected = null;
-
-                if (isset($_GET[$taxonomy])) {
-                    $selected = sanitize_title($_GET[$taxonomy]);
-                }
-
-                $dropdown_args = [
-                    'name'            => $taxonomy,
-                    'value_field'     => 'slug',
-                    'taxonomy'        => $tax->name,
-                    'show_option_all' => $tax->labels->all_items,
-                    'hierarchical'    => $tax->hierarchical,
-                    'selected'        => $selected,
-                    'orderby'         => 'name',
-                    'hide_empty'      => 0,
-                    'show_count'      => 0,
-                ];
-
-                // Output screen reader label.
-                echo '<label class="screen-reader-text" for="cat">' . $tax->labels->filter_by_item . '</label>';
-
-                // Output dropdown for taxonomy.
-                wp_dropdown_categories($dropdown_args);
-            }
-        }
-    }
-
     /**
      * Calculate the filters for the PostType
      * @return array
@@ -470,74 +344,4 @@ public function getFilters()
 
         return $filters;
     }
-
-    /**
-     * Modify the columns for the PostType
-     * @param  array  $columns  Default WordPress columns
-     * @return array            The modified columns
-     */
-    public function modifyColumns($columns)
-    {
-        $columns = $this->columns->modifyColumns($columns);
-
-        return $columns;
-    }
-
-    /**
-     * Populate custom columns for the PostType
-     * @param  string $column   The column slug
-     * @param  int    $post_id  The post ID
-     */
-    public function populateColumns($column, $post_id)
-    {
-        if (isset($this->columns->populate[$column])) {
-            call_user_func_array($this->columns()->populate[$column], [$column, $post_id]);
-        }
-    }
-
-    /**
-     * Make custom columns sortable
-     * @param array  $columns  Default WordPress sortable columns
-     */
-    public function setSortableColumns($columns)
-    {
-        if (!empty($this->columns()->sortable)) {
-            $columns = array_merge($columns, $this->columns()->sortable);
-        }
-
-        return $columns;
-    }
-
-    /**
-     * Set query to sort custom columns
-     * @param  WP_Query $query
-     */
-    public function sortSortableColumns($query)
-    {
-        // don't modify the query if we're not in the post type admin
-        if (!is_admin() || $query->get('post_type') !== $this->name) {
-            return;
-        }
-
-        $orderby = $query->get('orderby');
-
-        // if the sorting a custom column
-        if ($this->columns()->isSortable($orderby)) {
-            // get the custom column options
-            $meta = $this->columns()->sortableMeta($orderby);
-
-            // determine type of ordering
-            if (is_string($meta) or !$meta[1]) {
-                $meta_key = $meta;
-                $meta_value = 'meta_value';
-            } else {
-                $meta_key = $meta[0];
-                $meta_value = 'meta_value_num';
-            }
-
-            // set the custom order
-            $query->set('meta_key', $meta_key);
-            $query->set('orderby', $meta_value);
-        }
-    }
 }