UserNameLabel.module

<?php

class UserNameLabel extends WireData implements Module{
	
	public static function getModuleInfo() {
		return array(
			'title' => __('UserNameLabel', __FILE__), // Module Title
			'version' => 100,
			'summary' => __('Overwrite User Name Label', __FILE__), // Module Summary
			'autoload' => true
			);
	}

	public function init() {
		if(strpos($_SERVER['REQUEST_URI'],'/users/') !== FALSE )
			$this->addHookAfter("Inputfield::render", $this, "changeLabel");
	}

	public function changeLabel($event){
		$inputfield = $event->object;
		if(!$inputfield instanceof InputfieldName ) return;
		return $event->object = $inputfield->label = $this->_("Username", __FILE__);
	}

}