<?php

class InstallTemplate {

	protected $aVars=array();
	protected $sTemplate=null;
	protected $oParent=null;

	public function __construct($sTemplate,$aVars=array()) {
		$this->sTemplate=$sTemplate;
		$this->assign($aVars);
	}

	public function assign($mName,$mValue=null) {
		if (is_array($mName)) {
			$this->aVars=array_merge($this->aVars,$mName);
		} else {
			$this->aVars[$mName]=$mValue;
		}
	}

	public function get($sName=null,$mDefault=null) {
		if (is_null($sName)) {
			return $this->aVars;
		}
		return isset($this->aVars[$sName]) ? $this->aVars[$sName] : $mDefault;
	}

	public function getFromParent($sName=null,$mDefault=null) {
		if (!$this->oParent) {
			return $mDefault;
		}
		return $this->oParent->get($sName,$mDefault);
	}

	public function render() {
		ob_start();
		include($this->getPathTemplate());
		$sResult=ob_get_contents();
		ob_end_clean();
		return $sResult;
	}

	public function setParent($oTemplate) {
		$this->oParent=$oTemplate;
	}

	public function lang($sName) {
		return InstallCore::getLang($sName);
	}

	protected function getPathTemplate() {
		return INSTALL_DIR.DIRECTORY_SEPARATOR.'frontend'.DIRECTORY_SEPARATOR.'template'.DIRECTORY_SEPARATOR.$this->sTemplate;
	}
}