/**
* Initialize the plugin by loading admin scripts & styles and adding a settings page and menu.
*
* @since 1.0.0
*/
private function __construct()
{
if (isset($_GET['csv'])) {
$csv = $this->generate_csv();
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: private", false);
header("Content-Type: application/octet-stream");
header("Content-Disposition: attachment; filename=\"" . 'My Contact Form' . " report.csv\";");
header("Content-Transfer-Encoding: binary");
echo $csv['headers'] . $csv['csv'];
die;
}
// Call $plugin_slug from initial plugin class. TODO: Rename "Plugin_Name" to the name of your initial plugin class
$plugin = Ps_forms::get_instance();
$this->plugin_slug = $plugin->get_plugin_slug();
// Load admin style sheet and JavaScript.
add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_styles'));
add_action('admin_enqueue_scripts', array($this, 'enqueue_admin_scripts'));
// Add the options page and menu item.
add_action('admin_menu', array($this, 'add_plugin_admin_menu'));
// Add an action link pointing to the options page. TODO: Rename "plugin-name.php" to the name your plugin
$plugin_basename = plugin_basename(plugin_dir_path(__FILE__) . 'ps-forms.php');
add_filter('plugin_action_links_' . $plugin_basename, array($this, 'add_action_links'));
// Define custom functionality. Read more about actions and filters: http://codex.wordpress.org/Plugin_API#Hooks.2C_Actions_and_Filters
add_action('TODO', array($this, 'action_method_name'));
add_filter('TODO', array($this, 'filter_method_name'));
}
/**
* Return an instance of this class.
*
* @since 1.0.0
*
* @return object A single instance of this class.
*/
public static function get_instance()
{
// If the single instance hasn't been set, set it now.
if (null == self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
