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Twenty Fourteen: improve Featured Content experience in the Customizer. Better preview and cache clearing, props obenland and rachelbaker. Fixes #25549. 

Built from https://develop.svn.wordpress.org/trunk@26079


git-svn-id: http://core.svn.wordpress.org/trunk@25999 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Lance Willett 2013-11-10 23:38:10 +00:00
parent 92cd3c5ba7
commit dc80ae6691
3 changed files with 57 additions and 69 deletions
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106
wp-content/themes/twentyfourteen/inc/featured-content.php
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@ -2,22 +2,20 @@
/**
* Twenty Fourteen Featured Content
*
* This module allows you to define a subset of posts to be
* displayed in the theme's Featured Content area.
* This module allows you to define a subset of posts to be displayed in the
* theme's Featured Content area.
*
* For maximum compatibility with different methods of posting
* users will designate a featured post tag to associate posts
* with. Since this tag now has special meaning beyond that of a
* normal tags, users will have the ability to hide it from the
* front-end of their site.
* For maximum compatibility with different methods of posting users will
* designate a featured post tag to associate posts with. Since this tag now
* has special meaning beyond that of a normal tags, users will have the
* ability to hide it from the front-end of their site.
*/
class Featured_Content {
/**
* The maximum number of posts that a Featured Content
* area can contain. We define a default value here but
* themes can override this by defining a "max_posts"
* entry in the second parameter passed in the call to
* The maximum number of posts that a Featured Content area can contain. We
* define a default value here but themes can override this by defining a
* "max_posts" entry in the second parameter passed in the call to
* add_theme_support( 'featured-content' ).
*
* @see Featured_Content::init()
@ -39,8 +37,8 @@ class Featured_Content {
* Theme must declare that they support this module by adding
* add_theme_support( 'featured-content' ); during after_setup_theme.
*
* If no theme support is found there is no need to hook into
* WordPress. We'll just return early instead.
* If no theme support is found there is no need to hook into WordPress.
* We'll just return early instead.
*
* @uses Featured_Content::$max_posts
*/
@ -52,8 +50,8 @@ class Featured_Content {
return;
/*
* An array of named arguments must be passed as
* the second parameter of add_theme_support().
* An array of named arguments must be passed as the second parameter
* of add_theme_support().
*/
if ( ! isset( $theme_support[0] ) )
return;
@ -75,8 +73,16 @@ class Featured_Content {
add_action( 'delete_post_tag', array( __CLASS__, 'delete_post_tag' ) );
add_action( 'customize_controls_enqueue_scripts', array( __CLASS__, 'enqueue_scripts' ) );
add_action( 'pre_get_posts', array( __CLASS__, 'pre_get_posts' ) );
add_action( 'wp_loaded', array( __CLASS__, 'wp_loaded' ) );
}
// Hide "featured" tag from the front-end.
/**
* Hide "featured" tag from the front-end.
*
* Has to run on wp_loaded so that the preview filters of the customizer
* have a chance to alter the value.
*/
public static function wp_loaded() {
if ( self::get_setting( 'hide-tag' ) ) {
add_filter( 'get_terms', array( __CLASS__, 'hide_featured_term' ), 10, 2 );
add_filter( 'get_the_terms', array( __CLASS__, 'hide_the_featured_term' ), 10, 3 );
@ -116,23 +122,20 @@ class Featured_Content {
* @return array Array of post IDs
*/
public static function get_featured_post_ids() {
$settings = self::get_setting();
// Return false if the user has disabled this feature.
$tag = $settings['tag-id'];
if ( empty( $tag ) ) {
$term = get_term_by( 'name', 'featured', 'post_tag' );
if ( $term )
$tag = $term->term_id;
else
return self::get_sticky_posts();
}
// Return array of cached results if they exist.
$featured_ids = get_transient( 'featured_content_ids' );
if ( ! empty( $featured_ids ) )
return array_map( 'absint', (array) $featured_ids );
$settings = self::get_setting();
// Return sticky post ids if no tag name is set.
$term = get_term_by( 'name', $settings['tag-name'], 'post_tag' );
if ( $term )
$tag = $term->term_id;
else
return self::get_sticky_posts();
// Query for featured posts.
$featured = get_posts( array(
'numberposts' => $settings['quantity'],
@ -228,7 +231,7 @@ class Featured_Content {
* Hooks in the "delete_post_tag" action.
* @see Featured_Content::validate_settings().
*
* @param int $tag_id the term_id of the tag that has been deleted.
* @param int $tag_id The term_id of the tag that has been deleted.
* @return void
*/
public static function delete_post_tag( $tag_id ) {
@ -329,6 +332,7 @@ class Featured_Content {
public static function customize_register( $wp_customize ) {
$wp_customize->add_section( 'featured_content', array(
'title' => __( 'Featured Content', 'twentyfourteen' ),
'description' => __( 'Easily feature all posts with the "featured" tag or a tag of your choice; if no posts match the tag, "sticky" posts will be displayed instead.', 'twentyfourteen' ),
'priority' => 130,
'theme_supports' => 'featured-content',
) );
@ -337,14 +341,12 @@ class Featured_Content {
$wp_customize->add_setting( 'featured-content[tag-name]', array(
'default' => 'featured',
'type' => 'option',
'sanitize_js_callback' => array( __CLASS__, 'delete_transient' ),
) );
$wp_customize->add_setting( 'featured-content[hide-tag]', array(
'default' => true,
'type' => 'option',
) );
$wp_customize->add_setting( 'featured-content[tag-id]', array(
'default' => 0,
'type' => 'option',
'sanitize_js_callback' => array( __CLASS__, 'delete_transient' ),
) );
// Add Featured Content controls.
@ -359,10 +361,6 @@ class Featured_Content {
'type' => 'checkbox',
'priority' => 30,
) );
$wp_customize->add_control( new Featured_Content_Customize_Hidden_Control( $wp_customize, 'featured-content[tag-id]', array(
'section' => 'featured_content',
'priority' => 999,
) ) );
}
/**
@ -375,8 +373,12 @@ class Featured_Content {
wp_localize_script( 'featured-content-suggest', 'featuredContent', array(
'ajaxurl' => admin_url( 'admin-ajax.php' ),
) );
wp_add_inline_style( 'customize-controls', "
.ac_results {
z-index: 500000;
}
" );
}
/**
* Get settings
@ -400,6 +402,7 @@ class Featured_Content {
'hide-tag' => 1,
'quantity' => 6,
'tag-id' => 0,
'tag-name' => 'featured',
);
$options = wp_parse_args( $saved, $defaults );
@ -429,22 +432,17 @@ class Featured_Content {
public static function validate_settings( $input ) {
$output = array();
if ( isset( $input['tag-id'] ) )
$output['tag-id'] = absint( $input['tag-id'] );
if ( isset( $input['tag-name'] ) ) {
if ( empty( $input['tag-name'] ) ) {
$output['tag-id'] = 0;
} else {
$new_tag = wp_create_tag( $input['tag-name'] );
if ( ! is_wp_error( $new_tag ) && isset( $new_tag['term_id'] ) )
$tag = get_term( $new_tag['term_id'], 'post_tag' );
if ( isset( $tag->term_id ) )
$output['tag-id'] = $tag->term_id;
if ( is_int( $new_tag ) )
$output['tag-id'] = $new_tag;
$output['tag-name'] = get_term( $output['tag-id'], 'post_tag' )->name;
if ( ! is_wp_error( $new_tag ) && isset( $new_tag['term_id'] ) ) {
$output['tag-id'] = $new_tag['term_id'];
} else {
$term = get_term_by( 'name', $input['tag-name'], 'post_tag' );
$output['tag-id'] = $term ? $term->term_id : 0;
}
$output['tag-name'] = $input['tag-name'];
}
if ( isset( $input['quantity'] ) )
@ -477,14 +475,4 @@ class Featured_Content {
}
}
if ( class_exists( 'WP_Customize_Control' ) ) {
class Featured_Content_Customize_Hidden_Control extends WP_Customize_Control {
public function render_content() {
?>
<input type="hidden" <?php $this->link(); ?> value="<?php echo esc_attr( $this->value() ); ?>">
<?php
}
}
}
Featured_Content::setup();