/**
* Finds and serves the requested page.
* If the page cannot be found, returns the page with the URL /404.
* If the /404 page doesn't exist, returns the system 404 page.
* @param string $url Specifies the requested page URL.
* If the parameter is omitted, the current URL used.
* @return string Returns the processed page content.
*/
public function run($url = '/')
{
if ($url === null) {
$url = Request::path();
}
if (!strlen($url)) {
$url = '/';
}
/*
* Handle hidden pages
*/
$page = $this->router->findByUrl($url);
if ($page && $page->hidden) {
if (!BackendAuth::getUser()) {
$page = null;
}
}
/*
* Extensibility
*/
if ($event = $this->fireEvent('page.beforeDisplay', [$url, $page], true)) {
return $event;
}
if ($event = Event::fire('cms.page.beforeDisplay', [$this, $url, $page], true)) {
return $event;
}
/*
* If the page was not found, render the 404 page - either provided by the theme or the built-in one.
*/
if (!$page) {
$this->setStatusCode(404);
// Log the 404 request
RequestLog::add();
if (!($page = $this->router->findByUrl('/404'))) {
return Response::make(View::make('cms::404'), $this->statusCode);
}
}
$this->page = $page;
/*
* If the page doesn't refer any layout, create the fallback layout.
* Otherwise load the layout specified in the page.
*/
if (!$page->layout) {
$layout = Layout::initFallback($this->theme);
} elseif (($layout = Layout::loadCached($this->theme, $page->layout)) === null) {
throw new CmsException(Lang::get('cms::lang.layout.not_found', ['name' => $page->layout]));
}
$this->layout = $layout;
/*
* The 'this' variable is reserved for default variables.
*/
$this->vars['this'] = ['controller' => $this, 'layout' => $this->layout, 'page' => $this->page, 'param' => $this->router->getParameters(), 'environment' => App::environment()];
/*
* Handle AJAX requests and execute the life cycle functions
*/
$this->initCustomObjects();
$this->initComponents();
/*
* Give the layout and page an opportunity to participate
* after components are initialized and before AJAX is handled.
*/
if ($this->layoutObj) {
CmsException::mask($this->layout, 300);
$this->layoutObj->onInit();
CmsException::unmask();
}
CmsException::mask($this->page, 300);
$this->pageObj->onInit();
CmsException::unmask();
/*
* Extensibility
*/
if ($event = $this->fireEvent('page.init', [$url, $page], true)) {
return $event;
}
if ($event = Event::fire('cms.page.init', [$this, $url, $page], true)) {
return $event;
}
/*
* Execute AJAX event
*/
if ($ajaxResponse = $this->execAjaxHandlers()) {
return $ajaxResponse;
}
/*
* Execute postback handler
*/
if (($handler = post('_handler')) && ($handlerResponse = $this->runAjaxHandler($handler)) && $handlerResponse !== true) {
return $handlerResponse;
}
/*
* Execute page lifecycle
*/
if ($cycleResponse = $this->execPageCycle()) {
return $cycleResponse;
}
/*
* Render the page
*/
CmsException::mask($this->page, 400);
$this->loader->setObject($this->page);
$template = $this->twig->loadTemplate($this->page->getFullPath());
$this->pageContents = $template->render($this->vars);
CmsException::unmask();
/*
* Render the layout
*/
CmsException::mask($this->layout, 400);
$this->loader->setObject($this->layout);
$template = $this->twig->loadTemplate($this->layout->getFullPath());
$result = $template->render($this->vars);
CmsException::unmask();
/*
* Extensibility
*/
if ($event = $this->fireEvent('page.display', [$url, $page], true)) {
return $event;
}
if ($event = Event::fire('cms.page.display', [$this, $url, $page], true)) {
return $event;
}
if (!is_string($result)) {
return $result;
}
return Response::make($result, $this->statusCode);
}
/**
* Runs a page directly from its object and supplied parameters.
* @param \Cms\Classes\Page $page Specifies the CMS page to run.
* @return string
*/
public function runPage($page, $useAjax = true)
{
$this->page = $page;
/*
* If the page doesn't refer any layout, create the fallback layout.
* Otherwise load the layout specified in the page.
*/
if (!$page->layout) {
$layout = Layout::initFallback($this->theme);
} elseif (($layout = Layout::loadCached($this->theme, $page->layout)) === null) {
throw new CmsException(Lang::get('cms::lang.layout.not_found_name', ['name' => $page->layout]));
}
$this->layout = $layout;
/*
* The 'this' variable is reserved for default variables.
*/
$this->vars['this'] = ['page' => $this->page, 'layout' => $this->layout, 'theme' => $this->theme, 'param' => $this->router->getParameters(), 'controller' => $this, 'environment' => App::environment(), 'session' => App::make('session')];
/*
* Check for the presence of validation errors in the session.
*/
$this->vars['errors'] = Config::get('session.driver') && Session::has('errors') ? Session::get('errors') : new \Illuminate\Support\ViewErrorBag();
/*
* Handle AJAX requests and execute the life cycle functions
*/
$this->initCustomObjects();
$this->initComponents();
/*
* Give the layout and page an opportunity to participate
* after components are initialized and before AJAX is handled.
*/
if ($this->layoutObj) {
CmsException::mask($this->layout, 300);
$this->layoutObj->onInit();
CmsException::unmask();
}
CmsException::mask($this->page, 300);
$this->pageObj->onInit();
CmsException::unmask();
/*
* Extensibility
*/
if (($event = $this->fireEvent('page.init', [$page], true)) || ($event = Event::fire('cms.page.init', [$this, $page], true))) {
return $event;
}
/*
* Execute AJAX event
*/
if ($useAjax && ($ajaxResponse = $this->execAjaxHandlers())) {
return $ajaxResponse;
}
/*
* Execute postback handler
*/
if ($useAjax && ($handler = post('_handler')) && ($handlerResponse = $this->runAjaxHandler($handler)) && $handlerResponse !== true) {
return $handlerResponse;
}
/*
* Execute page lifecycle
*/
if ($cycleResponse = $this->execPageCycle()) {
return $cycleResponse;
}
/*
* Extensibility
*/
if (($event = $this->fireEvent('page.beforeRenderPage', [$page], true)) || ($event = Event::fire('cms.page.beforeRenderPage', [$this, $page], true))) {
$this->pageContents = $event;
} else {
/*
* Render the page
*/
CmsException::mask($this->page, 400);
$this->loader->setObject($this->page);
$template = $this->twig->loadTemplate($this->page->getFullPath());
$this->pageContents = $template->render($this->vars);
CmsException::unmask();
}
/*
* Render the layout
*/
CmsException::mask($this->layout, 400);
$this->loader->setObject($this->layout);
$template = $this->twig->loadTemplate($this->layout->getFullPath());
$result = $template->render($this->vars);
CmsException::unmask();
return $result;
}
/**
* Finds and serves the requested page.
* If the page cannot be found, returns the page with the URL /404.
* If the /404 page doesn't exist, returns the system 404 page.
* @param string $url Specifies the requested page URL.
* If the parameter is omitted, the current URL used.
* @return string Returns the processed page content.
*/
public function run($url = null)
{
if (!$url) {
$url = Request::path();
}
if (!strlen($url)) {
$url = '/';
}
$this->router = new Router($this->theme);
$page = $this->router->findByUrl($url);
/*
* Extensibility
*/
if ($event = Event::fire('cms.page.beforeDisplay', [$this, $url, $page], true)) {
return $event;
}
if ($event = $this->fireEvent('page.beforeDisplay', [$this, $url, $page], true)) {
return $event;
}
/*
* If the page was not found, render the 404 page - either provided by the theme or the built-in one.
*/
if (!$page && !($page = $this->router->findByUrl('/404'))) {
return Response::make(View::make('cms::404'), 404);
}
$this->page = $page;
/*
* If the page doesn't refer any layout, create the fallback layout.
* Otherwise load the layout specified in the page.
*/
if (!$page->layout) {
$layout = Layout::initFallback($this->theme);
} elseif (($layout = Layout::loadCached($this->theme, $page->layout)) === null) {
throw new CmsException(Lang::get('cms::lang.layout.not_found', ['name' => $page->layout]));
}
$this->layout = $layout;
$this->initTwigEnvironment();
/*
* The 'this' variable is reserved for default variables.
*/
$this->vars['this'] = ['layout' => $this->layout, 'page' => $this->page, 'param' => $this->router->getParameters(), 'environment' => App::environment()];
/*
* Handle AJAX requests and execute the life cycle functions
*/
$this->initCustomObjects();
$this->initComponents();
/*
* Execute AJAX event
*/
if ($ajaxResponse = $this->execAjaxHandlers()) {
return $ajaxResponse;
}
/*
* Execute postback handler
*/
if (($handler = post('_handler')) && ($handlerResponse = $this->runAjaxHandler($handler)) && $handlerResponse !== true) {
return $handlerResponse;
}
/*
* Execute page lifecycle
*/
if ($cycleResponse = $this->execPageCycle()) {
return $cycleResponse;
}
/*
* Render the page
*/
CmsException::capture($this->page, 400, function () {
$this->loader->setObject($this->page);
$template = $this->twig->loadTemplate($this->page->getFullPath());
$this->pageContents = $template->render($this->vars);
});
/*
* Render the layout
*/
$result = CmsException::capture($this->layout, 400, function () {
$this->loader->setObject($this->layout);
$template = $this->twig->loadTemplate($this->layout->getFullPath());
return $template->render($this->vars);
});
/*
* Extensibility
*/
if ($event = Event::fire('cms.page.display', [$this, $url, $page], true)) {
return $event;
}
if ($event = $this->fireEvent('page.display', [$this, $url, $page], true)) {
return $event;
}
return $result;
}
