get_file()), [$this, 'plugin_action_links'], 10, 1);
}
private function get_menu_slug():string {
return Plugin::instance()->get_id();
}
private function get_menu_title():string {
return Plugin::instance()->get_title();
}
private function get_page_title():string {
return sprintf(
Plugin::__('%s Settings'),
Plugin::instance()->get_title()
);
}
// Register settings page
public function admin_menu():void {
add_submenu_page(
self::PARENT_SLUG,
$this->get_page_title(),
$this->get_menu_title(),
self::CAPABILITY,
$this->get_menu_slug(),
[$this, 'render']
);
}
// Register settings fields
private function get_option_group():string {
return Plugin::instance()->get_id();
}
private function get_option_name():string {
return Plugin::instance()->get_id();
}
public function register_settings():void {
register_setting($this->get_option_group(), $this->get_option_name(), [
'type' => 'array',
'label' => $this->get_page_title(),
'sanitize_callback' => [$this, 'sanitize'],
'default' => [
'client_id' => '',
'client_secret' => '',
'token' => '',
],
]);
add_settings_section(
'api',
Plugin::__('API Settings'),
function () {
printf(
'%s
',
Plugin::__('See Issuu API documentation to learn how to generate an API client with your Issuu account.')
);
},
$this->get_menu_slug()
);
add_settings_field(
'client_id',
Plugin::__('Client ID'),
[$this, 'the_field'],
$this->get_menu_slug(),
'api',
['name' => 'client_id']
);
add_settings_field(
'client_secret',
Plugin::__('Client Secret'),
[$this, 'the_field'],
$this->get_menu_slug(),
'api',
['name' => 'client_secret']
);
add_settings_field(
'token',
Plugin::__('Token'),
[$this, 'the_field'],
$this->get_menu_slug(),
'api',
['name' => 'token']
);
}
public function the_field(array $args):void {
printf(
'',
esc_attr($args['name']),
esc_attr($this->get_option_group()),
esc_attr($args['name']),
esc_attr($this->get_field($args['name']))
);
if (isset($args['description']) && !empty($args['description'])) {
printf('%s
', esc_html($args['description']));
}
}
public function sanitize(array $input):array {
return array_map('sanitize_text_field', $input);
}
// Output settings page
private function load_options():bool {
if (isset($this->options) && is_array($this->options)) return false;
$this->options = get_option($this->get_option_group());
return true;
}
public function render():void {
$this->load_options();
echo '';
printf('
%s
', esc_html($this->get_page_title()));
echo '';
echo '';
}
// Add plugin link
public function plugin_action_links(array $links):array {
array_unshift($links, sprintf(
'%s',
esc_url($this->get_url()),
Plugin::esc_html__('Settings')
));
return $links;
}
public function get_url():string {
return add_query_arg(array_filter([
'page' => $this->get_menu_slug(),
]), admin_url(self::PARENT_SLUG));
}
// Field Accessors
public function get_field(string $name, string $default = ''):string {
$this->load_options();
return $this->options[$name] ?? $default;
}
public function set_field(string $name, string $value):bool {
$this->load_options();
$this->options[$name] = sanitize_text_field($value);
return update_option($this->get_option_group(), $this->options);
}
public static function get(string $name, string $default = ''):string {
return self::instance()->get_field($name, $default);
}
public static function set(string $name, string $value):bool {
return self::instance()->set_field($name, $value);
}
public static function exists(string $name):bool {
return !empty(self::get($name));
}
}
Settings::instance();