meta_boxes[$id] = $settings;
}
}
/**
* Adds the meta box container.
*/
public function generate_meta_box( $post_type ) {
if(empty($this->meta_boxes)) {
return;
}
foreach ($this->meta_boxes as $id => $settings) {
$settings = (object) $settings;
if(in_array($post_type, $settings->post_type)) {
add_meta_box(
$id
,$settings->title
,array( $this, 'render_meta_box_content' )
,$post_type
,$settings->position
,'low'
,$id
);
}
}
}
/**
* Save the meta when the post is saved.
*
* @param int $post_id The ID of the post being saved.
*/
public function save( $post_id ) {
/*
* We need to verify this came from the our screen and with proper authorization,
* because save_post can be triggered at other times.
*/
// Check if our nonce is set.
if ( ! isset( $_POST['tt_custom_meta_nonce'] ) )
return $post_id;
$nonce = $_POST['tt_custom_meta_nonce'];
// Verify that the nonce is valid.
if ( ! wp_verify_nonce( $nonce, 'tt_custom_meta' ) )
return $post_id;
// If this is an autosave, our form has not been submitted,
// so we don't want to do anything.
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
return $post_id;
// Check the user's permissions.
if ( 'page' == $_POST['post_type'] ) {
if ( ! current_user_can( 'edit_page', $post_id ) )
return $post_id;
} else {
if ( ! current_user_can( 'edit_post', $post_id ) )
return $post_id;
}
/* OK, its safe for us to save the data now. */
foreach ($this->meta_boxes as $id => $settings) {
if(!empty($_POST[$id]) && is_array($_POST[$id])) {
// Sanitize the user input.
$mydata = array();
foreach ($_POST[$id] as $key => $value) {
$mydata[$key] = sanitize_text_field($value);
}
// Update the meta field.
update_post_meta( $post_id, $id, $mydata );
}
}
}
/**
* Render Meta Box content.
*
* @param WP_Post $post The post object.
*/
public function render_meta_box_content( $post, $meta_box_id ) {
// Add an nonce field so we can check for it later.
wp_nonce_field( 'tt_custom_meta', 'tt_custom_meta_nonce' );
$meta_box_id = !empty($meta_box_id['args']) ? $meta_box_id['args'] : '';
if(is_array($this->meta_boxes[$meta_box_id]['fields'])) {
echo '
';
foreach ($this->meta_boxes[$meta_box_id]['fields'] as $key => $input_type) {
echo '