is_admin = is_admin();
$this->placeholder = apply_filters(
'TotalThemeCore\TermThumbnails\placeholder',
TTC_PLUGIN_DIR_URL . '/assets/images/term-meta-placeholder.png'
);
// Admin functions
if ( $this->is_admin ) {
add_action( 'admin_init', array( $this, 'admin_init' ) );
}
// Display term thumbnail on the front-end
if ( ! $this->is_admin || wp_doing_ajax() ) {
if ( apply_filters( 'wpex_enable_term_page_header_image', true ) ) {
add_filter( 'wpex_page_header_style', array( $this, 'page_header_style' ) );
add_filter( 'wpex_page_header_background_image', array( $this, 'page_header_bg' ) );
}
}
}
/**
* Get things started in the backend to add/save the settings.
*/
public function admin_init() {
// Get taxonomies
$taxonomies = apply_filters( 'wpex_thumbnail_taxonomies', get_taxonomies( array(
'public' => true,
) ) );
// Return if no taxonomies are defined
if ( ! $taxonomies ) {
return;
}
// Loop through taxonomies
foreach ( $taxonomies as $taxonomy ) {
// Add forms
add_action( $taxonomy . '_add_form_fields', array( $this, 'add_form_fields' ), 10 );
add_action( $taxonomy . '_edit_form_fields', array( $this, 'edit_form_fields' ), 10, 2 );
// Add columns
if ( 'product_cat' != $taxonomy ) {
add_filter( 'manage_edit-' . $taxonomy . '_columns', array( $this, 'admin_columns' ) );
add_filter( 'manage_' . $taxonomy . '_custom_column', array( $this, 'admin_column' ), 10, 3 );
}
// Save forms
add_action( 'created_' . $taxonomy, array( $this, 'save_forms' ), 10, 3 );
add_action( 'edit_' . $taxonomy, array( $this, 'save_forms' ), 10, 3 );
}
}
/**
* Add Thumbnail field to add form fields.
*/
public function add_form_fields( $taxonomy ) {
wp_nonce_field( 'wpex_term_thumbnail_meta_nonce', 'wpex_term_thumbnail_meta_nonce' );
// Enqueue media for media selector
wp_enqueue_media();
// Options not needed for Woo
if ( 'product_cat' != $taxonomy ) : ?>
term_id;
// Get page header setting
$page_header_bg = $this->get_term_meta( $term_id, 'page_header_bg', true ); ?>
|
|
get_term_thumbnail_id( $term_id );
if ( $thumbnail_id ) {
$thumbnail_src = wp_get_attachment_image_src( $thumbnail_id, 'thumbnail', false );
$thumbnail_url = ! empty( $thumbnail_src[0] ) ? $thumbnail_src[0] : '';
} ?>
|
|
|
add_term_data( $term_id, 'thumbnail_id', $thumbnail_id );
}
// Delete thumbnail
else {
$this->remove_term_data( $term_id, 'thumbnail_id' );
}
// Remove old data
$this->remove_deprecated_term_data( $term_id, 'thumbnail' );
}
/**
* Update page header image option.
*/
public function update_page_header_img( $term_id, $display ) {
// Turn into string since we can't check if false is empty
if ( is_bool( $display ) ) {
$display = $display ? 'true' : 'false';
}
// Add option
if ( isset( $display ) && '' != $display ) {
$this->add_term_data( $term_id, 'page_header_bg', $display );
}
// Remove option
else {
$this->remove_term_data( $term_id, 'page_header_bg' );
}
// Remove old data
$this->remove_deprecated_term_data( $term_id, 'page_header_bg' );
}
/**
* Save Forms.
*/
public function save_forms( $term_id, $tt_id = '', $taxonomy = '' ) {
// Nonce check
if ( ! isset( $_POST['wpex_term_thumbnail_meta_nonce'] )
|| ! wp_verify_nonce( $_POST['wpex_term_thumbnail_meta_nonce'], 'wpex_term_thumbnail_meta_nonce' )
) {
return;
}
if ( isset( $_POST['wpex_term_thumbnail'] ) ) {
$this->update_thumbnail( $term_id, $_POST['wpex_term_thumbnail'] );
}
if ( isset( $_POST['wpex_term_page_header_image'] ) ) {
$this->update_page_header_img( $term_id, $_POST['wpex_term_page_header_image'] );
}
}
/**
* Thumbnail column added to category admin.
*/
public function admin_columns( $columns ) {
$columns['wpex-term-thumbnail-col'] = esc_attr__( 'Thumbnail', 'total-theme-core' );
return $columns;
}
/**
* Thumbnail column value added to category admin.
*/
public function admin_column( $columns, $column, $id ) {
// Add thumbnail to columns
if ( 'wpex-term-thumbnail-col' === $column ) {
if ( $thumbnail_id = $this->get_term_thumbnail_id( $id ) ) {
$image = wp_get_attachment_image_src( $thumbnail_id, 'thumbnail' );
$image = $image[0];
} else {
$image = esc_url( $this->placeholder );
}
$columns .= ' . ')
';
}
// Return columns
return $columns;
}
/**
* Get term meta with fallback
*/
public function get_term_meta( $term_id = null, $key = '', $single = true ) {
$term_id = $term_id ? $term_id : get_queried_object()->term_id;
$value = '';
if ( $term_id ) {
$value = get_term_meta( $term_id, $key, $single );
if ( isset( $value ) ) {
return $value;
}
$term_data = get_option( 'wpex_term_data' );
$term_data = ! empty( $term_data[ $term_id ] ) ? $term_data[ $term_id ] : '';
if ( $term_data && ! empty( $term_data[ $key ] ) ) {
return $term_data[ $key ];
}
}
return $value;
}
/**
* Retrieve term thumbnail for admin panel.
*/
public function get_term_thumbnail_id( $term_id = null ) {
$term_id = $term_id ? $term_id : get_queried_object()->term_id;
$thumbnail_id = '';
// Get thumbnail ID from term
if ( $term_id ) {
$thumbnail_id = get_term_meta( $term_id, 'thumbnail_id', true );
// Check option
if ( empty( $thumbnail_id ) ) {
// Get data
$term_data = get_option( 'wpex_term_data' );
$term_data = ! empty( $term_data[ $term_id ] ) ? $term_data[ $term_id ] : '';
// Return thumbnail ID
if ( $term_data && ! empty( $term_data[ 'thumbnail' ] ) ) {
return $term_data[ 'thumbnail' ];
}
}
}
// Return thumbnail
return $thumbnail_id;
}
/**
* Check if the term page header should have a background image.
*/
public function page_header_style( $style ) {
if ( $this->is_tax_archive()
&& wpex_term_page_header_image_enabled()
&& $term_thumbnail = wpex_get_term_thumbnail_id()
) {
$style = 'background-image';
}
return $style;
}
/**
* Sets correct page header background.
*/
public function page_header_bg( $image ) {
if ( $this->is_tax_archive()
&& wpex_term_page_header_image_enabled()
&& $term_thumbnail = wpex_get_term_thumbnail_id()
) {
$image = wp_get_attachment_image_src( $term_thumbnail, 'full' );
$image = $image[0];
}
return $image;
}
/**
* Check if on a tax archive.
*/
public function is_tax_archive() {
if ( ! is_search() && ( is_tax() || is_category() || is_tag() ) ) {
return true;
}
}
}
new TermThumbnails();