aliroRenderer.php

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<?php

/* Aliro Renderer classes
*/

class aliroRenderer {
    
    public static function getRenderer ($type='php') {
        if ('php' == $type) return new aliroPHPRenderer();
        else {
            $classname = $type.'Renderer';
            if (aliro::getInstance()->classExists($classname)) return new $classname();
        }
        trigger_error(T_('aliroRenderer called for invalid renderer type'), E_USER_ERROR);
    }
}

class aliroPHPRenderer extends basicAdminHTML implements ifTemplateRenderer  {
    private $dir;
    private $vars = array();
    protected $engine = 'php';
    private $template = '';
    private $debug = 0;
    protected $translations = array();
    public $act = '';
    public $pageNav = null;

    public function __construct () {
        $this->dir = criticalInfo::getInstance()->class_base.'/views/templates/';
    }

    public function display ($template='') {
        return $this->checkTemplate($template) ? $this->loadTemplate($this->template) : false;
    }

    public function fetch ($template='') {
        if ($this->checkTemplate($template)) {
            ob_start();
            $this->loadTemplate($this->template);
            $ret = ob_get_contents();
            ob_end_clean();
            return $ret;
        }
        return false;
    }
    
    private function loadTemplate ($template) {
        extract($this->vars);
        if (!empty($act)) $this->act = $act;
        include($this->template);
        return true;
    }
    
    private function checkTemplate ($template) {
        if (empty($template)) $template = $this->template;
        if ($this->debug) echo nl2br($this->template."\n");
        if (empty($template)) trigger_error(T_('A template has not been specified in a call to aliroRenderer'), E_USER_ERROR);
        elseif (!is_readable($this->dir.$template)) trigger_error(sprintf(T_('Specified template file %s is not readable in a call to aliroPHPRenderer'), $template), E_USER_ERROR);
        else {
            $this->template = $this->dir.$template;
            return true;
        }
        return false;
    }

    public function getengine(){
        return $this->engine;
    }

    public function addvar($key, $value){
        $this->vars[$key] = $value;
    }

    public function addbyref ($key, &$value) {
        $this->vars[$key] = $value;
    }

    public function getvars ($name) {
        return isset($this->vars[$name]) ? $this->vars[$name] : '';
    }

    public function setdir ($dir) {
        $this->dir = (substr($dir, -1) == '/') ? $dir : $dir.'/';
    }

    public function settemplate ($template){
        $this->template = $template;
    }

    // Provides for aliroHTML methods to be used within heredoc as $this->html('method', ...)
    protected function html () {
        $args = func_get_args();
        $method = array_shift($args);
        $html = call_user_func(array('aliroHTML', 'getInstance'));
        return call_user_func_array(array($html, $method), $args);
    }
   
    protected function T_ ($string) {
        return T_($string);
    }
}

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