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<?php
abstract class SpotPage_Abs {
protected $_db;
protected $_settings;
protected $_pageTitle;
protected $_currentSession;
protected $_spotSec;
protected $_tplHelper;
protected $_templatePaths;
function __construct(SpotDb $db, SpotSettings $settings, $currentSession) {
$this->_db = $db;
$this->_settings = $settings;
$this->_currentSession = $currentSession;
$this->_spotSec = $currentSession['security'];
$this->_tplHelper = $this->getTplHelper(array());
/*
* Create a list of paths where to look for template files in
* the correct (last template first) order
*/
$this->_templatePaths = array('/usr/share/spotweb/templates/' . $currentSession['active_tpl'] . '/');
foreach($this->_tplHelper->getParentTemplates() as $parentTemplate) {
$this->_templatePaths[] = '/usr/share/spotweb/templates/' . $parentTemplate . '/';
} # foreach
} # ctor
/*
* Standaard mogen paginas niet gecached worden
* om invalid cached informatie te voorkomen. Kan overriden worden
* per pagina
*/
function sendExpireHeaders($preventCaching) {
if ($preventCaching) {
Header("Cache-Control: private, post-check=1, pre-check=2, max-age=1, must-revalidate");
Header("Expires: Mon, 12 Jul 2000 01:00:00 GMT");
} else {
# stuur een expires header zodat dit een jaar of 10 geldig is
Header("Cache-Control: public");
Header("Expires: " . gmdate("D, d M Y H:i:s", (time() + (86400 * 3650))) . " GMT");
Header("Pragma: ");
} # if
} # sendExpireHeaders
/*
* Stuur een content header, dit zorgt er voor dat de browser
* eventuele content sneller kan parsen
*/
function sendContentTypeHeader($type) {
switch($type) {
case 'xml' : Header("Content-Type: text/xml; charset=utf-8"); break;
case 'rss' : Header("Content-Type: application/rss+xml; charset=utf-8"); break;
case 'json' : Header("Content-Type: application/json; charset=utf-8"); break;
case 'css' : Header("Content-Type: text/css; charset=utf-8"); break;
case 'js' : Header("Content-Type: application/javascript; charset=utf-8"); break;
case 'ico' : Header("Content-Type: image/x-icon"); break;
default : Header("Content-Type: text/html; charset=utf-8"); break;
} # switch
} # sendContentTypeHeader
# Geef the tpl helper terug
private function getTplHelper($params) {
$tplName = $this->_currentSession['active_tpl'];
$className = 'SpotTemplateHelper_' . ucfirst($tplName);
$tplHelper = new $className($this->_settings, $this->_currentSession, $this->_db, $params);
return $tplHelper;
} # getTplHelper
/*
* Display de template
*/
function template($tpl, $params = array()) {
SpotTiming::start(__FUNCTION__ . ':' . $tpl);
extract($params, EXTR_REFS);
$settings = $this->_settings;
$pagetitle = $this->_pageTitle;
# update the template helper variables
$this->_tplHelper->setParams($params);
# Expose some variables to the template script in its local scope
$tplHelper = $this->_tplHelper;
$currentSession = $this->_currentSession;
$spotSec = $this->_currentSession['security'];
# send any expire headers
$this->sendExpireHeaders(true);
$this->sendContentTypeHeader('html');
# and include the template
foreach($this->_templatePaths as $tplPath) {
if (file_exists($tplPath . $tpl . '.inc.php')) {
require_once($tplPath . $tpl . '.inc.php');
break;
} # if
} # foreach
SpotTiming::stop(__FUNCTION__ . ':' . $tpl, array($params));
} # template
/*
* Daadwerkelijk renderen van de pagina -- implementatie specifiek
*/
abstract function render();
/*
* Renderen van een permission denied pagina, kan overridden worden door een implementatie
* specifieke renderer
*/
function permissionDenied($exception, $page, $http_referer) {
$this->template('permdenied',
array('exception' => $exception,
'page' => $page,
'http_referer' => $http_referer));
} # permissionDenied
} # SpotPage_Abs
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