MyShaarli/application/PageBuilder.php

150 lines
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PHP
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<?php
/**
* This class is in charge of building the final page.
* (This is basically a wrapper around RainTPL which pre-fills some fields.)
* $p = new PageBuilder();
* $p->assign('myfield','myvalue');
* $p->renderPage('mytemplate');
*/
class PageBuilder
{
/**
* @var RainTPL RainTPL instance.
*/
private $tpl;
/**
* PageBuilder constructor.
* $tpl is initialized at false for lazy loading.
*/
function __construct()
{
$this->tpl = false;
}
/**
* Initialize all default tpl tags.
*/
private function initialize()
{
$this->tpl = new RainTPL();
$conf = ConfigManager::getInstance();
try {
$version = ApplicationUtils::checkUpdate(
shaarli_version,
$conf->get('config.UPDATECHECK_FILENAME'),
$conf->get('config.UPDATECHECK_INTERVAL'),
$conf->get('config.ENABLE_UPDATECHECK'),
isLoggedIn(),
$conf->get('config.UPDATECHECK_BRANCH')
);
$this->tpl->assign('newVersion', escape($version));
$this->tpl->assign('versionError', '');
} catch (Exception $exc) {
logm($conf->get('config.LOG_FILE'), $_SERVER['REMOTE_ADDR'], $exc->getMessage());
$this->tpl->assign('newVersion', '');
$this->tpl->assign('versionError', escape($exc->getMessage()));
}
$this->tpl->assign('feedurl', escape(index_url($_SERVER)));
$searchcrits = ''; // Search criteria
if (!empty($_GET['searchtags'])) {
$searchcrits .= '&searchtags=' . urlencode($_GET['searchtags']);
}
if (!empty($_GET['searchterm'])) {
$searchcrits .= '&searchterm=' . urlencode($_GET['searchterm']);
}
$this->tpl->assign('searchcrits', $searchcrits);
$this->tpl->assign('source', index_url($_SERVER));
$this->tpl->assign('version', shaarli_version);
$this->tpl->assign('scripturl', index_url($_SERVER));
$this->tpl->assign('pagetitle', 'Shaarli');
$this->tpl->assign('privateonly', !empty($_SESSION['privateonly'])); // Show only private links?
if ($conf->exists('title')) {
$this->tpl->assign('pagetitle', $conf->get('title'));
}
if ($conf->exists('titleLink')) {
$this->tpl->assign('titleLink', $conf->get('titleLink'));
}
if ($conf->exists('pagetitle')) {
$this->tpl->assign('pagetitle', $conf->get('pagetitle'));
}
$this->tpl->assign('shaarlititle', $conf->get('title', 'Shaarli'));
$this->tpl->assign('openshaarli', $conf->get('config.OPEN_SHAARLI', false));
$this->tpl->assign('showatom', $conf->get('config.SHOW_ATOM', false));
// FIXME! Globals
if (!empty($GLOBALS['plugin_errors'])) {
$this->tpl->assign('plugin_errors', $GLOBALS['plugin_errors']);
}
}
/**
* The following assign() method is basically the same as RainTPL (except lazy loading)
*
* @param string $placeholder Template placeholder.
* @param mixed $value Value to assign.
*/
public function assign($placeholder, $value)
{
// Lazy initialization
if ($this->tpl === false) {
$this->initialize();
}
$this->tpl->assign($placeholder, $value);
}
/**
* Assign an array of data to the template builder.
*
* @param array $data Data to assign.
*
* @return false if invalid data.
*/
public function assignAll($data)
{
// Lazy initialization
if ($this->tpl === false) {
$this->initialize();
}
if (empty($data) || !is_array($data)){
return false;
}
foreach ($data as $key => $value) {
$this->assign($key, $value);
}
}
/**
* Render a specific page (using a template file).
* e.g. $pb->renderPage('picwall');
*
* @param string $page Template filename (without extension).
*/
public function renderPage($page)
{
// Lazy initialization
if ($this->tpl===false) {
$this->initialize();
}
$this->tpl->draw($page);
}
/**
* Render a 404 page (uses the template : tpl/404.tpl)
* usage : $PAGE->render404('The link was deleted')
*
* @param string $message A messate to display what is not found
*/
public function render404($message = 'The page you are trying to reach does not exist or has been deleted.')
{
header($_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found');
$this->tpl->assign('error_message', $message);
$this->renderPage('404');
}
}