Dashboard User Password Generator demo plugin - generator assets

master.php

<?php
// in the User_Password_Generator_Demo class constructor
// Dashboard hook for add js and css files
add_action( 'admin_enqueue_scripts', array( &$this, 'enqueues' ) );

// add new methon to User_Password_Generator_Demo class
/**
 * Assets Enqueues
 * 
 * @since 1.0
 * 
 * @return void
 */
public function enqueues()
{
	// current page ID
	$screen_id = get_current_screen()->id;

	// don't do anything if a page other than "adding new user" or "user profile" page
	if ( !in_array( $screen_id, array( 'user', 'profile' ) ) )
		return;

	// load Style file
	wp_enqueue_style( 'upgd-generator-style', UPGD_URI .'assets/css/generator.css' );

	// load Javascript file in footer
	wp_enqueue_script( 'upgd-generator-script', UPGD_URI .'assets/js/generator.js', array( 'jquery' ), false, true );

	// some data the generator depends on
	wp_localize_script( 'upgd-generator-script', 'upgd', array ( 
			'password' => array ( 
					'chars' => 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789',
					'special_chars' => '!@#$%^&*()',
					'extra_special_chars' => '-_ []{}<>~`+=,.;:/?|',
			),
	) );
}