phplibrary/core/controller/component.php

<?php

require_once 'core/path.php';

class FileNotFountException extends Exception 
{
}

/**
 * Êëàññ êîìïîíåíòà
 */
class Component
{
    static $_uid = 1;
    public $uid; // UID êîìïîíåíòà ñîçäàåòñÿ ïðè ñîçäàíèè ñòðàíèöû, âñòàâêè êîìïîíåíòà, èëè ýòî ñòàòè÷åñêîå ñâîéñòâî 
    public $viewPath;
    public $registry; // Registry->getInstance
    public $template;

    function __construct()
    {
        self::$_uid ++;
        $this->uid = self::$_uid;
    }

    function getUID()
    {
        return 'component:'. $this->uid;
    }

    public function getView($name)
    {
        require_once "core/view/compositeview.php";
        // 
        $template = ($this->template) ? $this->template : $this->_registry->readKey(array('system', 'template'));
        // Çàãðóæàòü øàáëîí ïî óìîë÷àíèþ åñëè íå íàéäåí òåêóùèé
        if (is_dir(Path::join($this->viewPath, 'templates', $template))) {
            $template_file = Path::join($this->viewPath, 'templates', $template, $name);
        } else {
            $template_file = Path::join($this->viewPath, 'templates', 'modern', $name);
        }
        $tpl = new View_Composite($template_file);

        $tpl->script = $_script = Path::join(WWW_PATH, 'js');
        $tpl->media = $_media = Path::join(TEMPLATE_WEB, $template);
        $tpl->component = $_template = Path::join(COMPONENTS_WEB, strtolower(get_class($this)), 'templates', 'modern');
        $tpl->setAlias(array(
                '${media}' => $_media, 
                '${script}' => $_script, 
                '${template}' => $_template));

        $tpl->loadImports(Path::skipExtension($template_file) . ".import");

        return $tpl;
    }

    public function setParameters($view)
    {
    }

    /**
     * @param $name Èìÿ ìîäåëè
     */
    private function getModelPath($name)
    {
        return Path::join (CMS_PATH, "model", $name . ".php");
    }

    /**
     * Ñîçäàåò ìîäåëü
     * @param string $name    
     * @return model
     */
    public function getModel($name)
    {
        require_once 'core/mapper/mapper.php';

        require_once ($this->getModelPath ($name));
        $modelName = $name . "Mapper";
        $model = new $modelName ();
        $model->db = $this->db;
        return $model;
    }

    public function options($key, $val, $res) {
        $result = array();
        while($res->next()) {
            $result[] = array('value' => $res->getInt($key), 'name' => $res->getString($val));
        }
        return $result;
    }

    public function optionsPair($list) {
        $result = array();
        foreach ($list as $key => $value) {
            $result [] = array('value' => $key, 'name' => $value);
        }
        return $result;
    }

    /* Â äàëüíåéøåì íóæíî çìåíèòü íà ìåòîäû 
        + Ìåòîäû ìîãóò áûòü è javascript
    */
    protected $editUrl;

    function setEditUrl($url)
    {
        $this->editUrl = $url;
    }

    function getEditUrl()
    {
        return $this->editUrl;
    }
}

/**
 * TALES äëÿ ïîäêëþ÷åíèÿ êîìïîíåíòîâ 
 * component:name?param1=value1&param2=value2
 */
class Component_Tales implements PHPTAL_Tales
{
    static public function component($expression, $nothrow = false)
    {
        return "phptal_component('" . $expression . "')";
    }
}

function loadComponent($name, $db, $registry)
{
    $path = Path::join(COMPONENTS, $name, $name . ".php");
//    echo COMPONENTS, '<br />';
//    echo $path;
    if (file_exists($path)) {
        require_once ($path);
        $component = new $name();
        $component->db = $db;
        $component->_registry = $registry;
        $component->viewPath = COMPONENTS."/".$name."/";
        return $component;
    }
    throw new FileNotFountException();
}

/**
 * Ôóíêöèÿ ïîäêëþ÷åíèÿ êîìïîíåíòà
 */
global $componentList;
$componentList = array();

function phptal_component ($real_expression, $offset = 0) {
    global $db, $registry, $componentList; // Íóæíî êàêòî ïåðåäàâàòü ïàðàìåòðû

    $expression = htmlspecialchars_decode($real_expression);
    $url = parse_url($expression);
    parse_str($url['query'], $arguments);
    $name = $url['path'];

    $component = loadComponent($name, $db, $registry);
    $req = new HttpRequest();
    $params = new Collection();
    $params->import(array_merge($_GET, $arguments));
    $component->params = $params;

    $componentList [] = array(
        'uid' => $component->getUID(), 'params' => $expression, 'name' => $name, 'offset' => $offset,
        'size' => strlen($real_expression),
        /* Âìåñòî ññûëêè íà ðåäàêòèðîâàíèå íóæíî ïåðåäàâàòü ñïèñîê ìåòîäîâ äëÿ ðàáîòû ñ êîìïîíåíòîì
          edit (ðåäàêòèðîâàíèå ñîäåðæàíèå), new (íîâîå ñîäåðæàíèå), øàáëîí êîìåííåíòà ... âìåñòå ñ èêîíêàìè ýòèõ ìåòîäîâ
          ! Êîìïîíåíòû ìîãóò ñîäåðæàòü äðóãèå êîìïîíåíòû  
         */
        'editurl' => $component->getEditUrl(),
        'newurl' => ''
        );

    unset($req['active_page']);
    $component->template = $params->get('template', false);

    return $component->execute($params, $req);
}

/* Ðåãèñòðàöèÿ íîâîãî ïðåôèêñà äëÿ ïîäêëþ÷åíèÿ êîìïîíåíòà */
$registry = PHPTAL_TalesRegistry::getInstance();
$registry->registerPrefix('component', array('Component_Tales', 'component'));