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Add Post_Type_Page_Option and Post_Type_Page_State classes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| <?php | ||
|
|
||
| namespace Types; | ||
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| use WP_Customize_Manager; | ||
|
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| /** | ||
| * Class Post_Type_Page_Option | ||
| * | ||
| * Registers an option to select the page for your Custom Post Type in the Customizer. | ||
| */ | ||
| class Post_Type_Page_Option { | ||
| /** | ||
| * Post type. | ||
| * | ||
| * @var string | ||
| */ | ||
| private $post_type; | ||
|
|
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| /** | ||
| * Customizer section. | ||
| * | ||
| * @var string | ||
| */ | ||
| private $customizer_section; | ||
|
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||
| /** | ||
| * Option name. | ||
| * | ||
| * @var string | ||
| */ | ||
| private $option_name; | ||
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|
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| /** | ||
| * Post_Type_Page_Option constructor. | ||
| * | ||
| * @param string $post_type The post type to register the customizer section for. | ||
| * @param string $customizer_section The name of the customizer section where the option to set | ||
| * the page should be added to. The section already needs to | ||
| * exist. | ||
| */ | ||
| public function __construct( $post_type, $customizer_section ) { | ||
| $this->post_type = $post_type; | ||
| $this->customizer_section = $customizer_section; | ||
| $this->option_name = "page_for_{$this->post_type}"; | ||
| } | ||
|
|
||
| /** | ||
| * Inits hooks. | ||
| */ | ||
| public function init() { | ||
| if ( ! is_admin() && ! is_customize_preview() ) { | ||
| return; | ||
| } | ||
|
|
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| add_action( 'customize_register', [ $this, 'register_settings' ] ); | ||
|
|
||
| /** | ||
| * Rewrite rules need to be flushed in the next page load after the Custom Post Type was | ||
| * registered. That’s why we first need to set a transient that we check on the next admin | ||
| * page load. | ||
| */ | ||
| add_action( | ||
| "update_option_{$this->option_name}", | ||
| [ $this, 'maybe_set_flush_transient' ], | ||
| 10, 2 | ||
| ); | ||
| add_action( 'admin_init', [ $this, 'maybe_flush_rewrite_rules' ] ); | ||
| } | ||
|
|
||
| /** | ||
| * Adds Customizer setting and control. | ||
| * | ||
| * @param \WP_Customize_Manager $wp_customize Customizer instance. | ||
| */ | ||
| public function register_settings( WP_Customize_Manager $wp_customize ) { | ||
| $post_type_object = get_post_type_object( $this->post_type ); | ||
|
|
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| $wp_customize->add_setting( $this->option_name, [ | ||
| 'type' => 'option', | ||
| ] ); | ||
|
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| $wp_customize->add_control( $this->option_name, [ | ||
| 'label' => sprintf( | ||
| /* translators: Post type label. */ | ||
| __( 'Page for %s', 'mind/types' ), | ||
| $post_type_object->label | ||
| ), | ||
| 'section' => $this->customizer_section, | ||
| 'type' => 'dropdown-pages', | ||
| 'allow_addition' => true, | ||
| ] ); | ||
| } | ||
|
|
||
| /** | ||
| * Sets transient to flush rewrite rules when option value changes. | ||
| * | ||
| * @param mixed $old_value The old option value. | ||
| * @param mixed $value The new option value. | ||
| */ | ||
| public function maybe_set_flush_transient( $old_value, $value ) { | ||
| if ( $old_value !== $value ) { | ||
| set_transient( "flush_{$this->option_name}", true ); | ||
| } | ||
| } | ||
|
|
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| /** | ||
| * Flushes rewrite rules when transient is set. | ||
| */ | ||
| public function maybe_flush_rewrite_rules() { | ||
| $transient_name = "flush_{$this->option_name}"; | ||
|
|
||
| if ( get_transient( $transient_name ) ) { | ||
| delete_transient( $transient_name ); | ||
|
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| add_action( 'shutdown', function() { | ||
| flush_rewrite_rules( false ); | ||
| } ); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| <?php | ||
|
|
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| namespace Types; | ||
|
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| /** | ||
| * Class Post_Type_Page_State | ||
| */ | ||
| class Post_Type_Page_State { | ||
| /** | ||
| * Post type. | ||
| * | ||
| * @var string | ||
| */ | ||
| private $post_type; | ||
|
|
||
| /** | ||
| * Option name. | ||
| * | ||
| * @var string | ||
| */ | ||
| private $option_name; | ||
|
|
||
| /** | ||
| * Post_Type_Page_State constructor. | ||
| * | ||
| * @param string $post_type The post type to display the post state for. | ||
| */ | ||
| public function __construct( $post_type ) { | ||
| $this->post_type = $post_type; | ||
| $this->option_name = "page_for_{$this->post_type}"; | ||
| } | ||
|
|
||
| /** | ||
| * Inits hooks. | ||
| */ | ||
| public function init() { | ||
| if ( ! is_admin() ) { | ||
| return; | ||
| } | ||
|
|
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| add_filter( 'display_post_states', [ $this, 'update_post_states' ], 10, 2 ); | ||
| } | ||
|
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| /** | ||
| * Updates post states with page for event. | ||
| * | ||
| * @param string[] $post_states An array of post display states. | ||
| * @param \WP_Post $post The current post object. | ||
| * | ||
| * @return string[] Updates post states. | ||
| */ | ||
| public function update_post_states( $post_states, $post ) { | ||
| $post_type_object = get_post_type_object( $this->post_type ); | ||
|
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| if ( 'page' === $post->post_type | ||
| && (int) get_option( $this->option_name ) === $post->ID | ||
| ) { | ||
| $post_states[ $this->option_name ] = sprintf( | ||
| /* translators: Post type label. */ | ||
| __( 'Page for %s', 'mind/types' ), | ||
| $post_type_object->label | ||
| ); | ||
| } | ||
|
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| return $post_states; | ||
| } | ||
| } |