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<?php |
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/** |
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* @package CleverStyle Framework |
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* @author Nazar Mokrynskyi <[email protected]> |
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* @copyright Copyright (c) 2011-2016, Nazar Mokrynskyi |
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* @license MIT License, see license.txt |
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*/ |
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namespace cs; |
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use |
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cs\App\Router; |
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/** |
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* Provides next events: |
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* System/App/block_render |
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* [ |
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* 'index' => $index, //Block index |
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* 'blocks_array' => &$blocks_array //Reference to array in form ['top' => '', 'left' => '', 'right' => '', 'bottom' => ''] |
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* ] |
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* |
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* System/App/render/before |
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* |
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* System/App/execute_router/before |
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* |
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* System/App/execute_router/after |
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* |
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* System/App/render/after |
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* |
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* @property string[] $controller_path Path that will be used by controller to render page |
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* |
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* @method static $this instance($check = false) |
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*/ |
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class App { |
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use |
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Singleton, |
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Router; |
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const INIT_STATE_METHOD = 'init'; |
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protected function init () { |
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$this->init_router(); |
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} |
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/** |
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* Executes blocks and module page generation |
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* |
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* @throws ExitException |
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*/ |
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public function execute () { |
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$Config = Config::instance(); |
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$Request = Request::instance(); |
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if (!preg_match('/^[0-9a-z_]+$/i', $Request->method)) { |
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throw new ExitException(400); |
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} |
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$this->handle_closed_site(!$Config->core['site_mode'], $Request); |
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if (!$this->check_permission($Request, 'index')) { |
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throw new ExitException(403); |
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} |
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Event::instance()->fire('System/App/render/before'); |
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$this->render($Request); |
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Event::instance()->fire('System/App/render/after'); |
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Page::instance()->render(); |
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} |
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/** |
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* @param bool $closed_site |
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* @param Request $Request |
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* |
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* @throws ExitException |
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*/ |
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protected function handle_closed_site ($closed_site, $Request) { |
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if (!$closed_site) { |
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return; |
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} |
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/** |
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* If site is closed |
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*/ |
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if (!$this->allow_closed_site_request($Request)) { |
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throw new ExitException( |
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[ |
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get_core_ml_text('closed_title'), |
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get_core_ml_text('closed_text') |
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], |
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2 |
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503 |
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); |
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} |
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/** |
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* Warning about closed site for administrator |
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*/ |
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Page::instance()->warning(get_core_ml_text('closed_title')); |
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} |
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/** |
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* Check if visitor is allowed to make current request to closed site |
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* |
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* @param Request $Request |
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* |
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* @return bool |
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*/ |
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protected function allow_closed_site_request ($Request) { |
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return |
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User::instance()->admin() || |
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( |
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$Request->api_path && |
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$Request->current_module == 'System' && |
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$Request->route == ['profile'] && |
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$Request->method == 'SIGN_IN' |
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); |
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} |
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/** |
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* Check whether user allowed to access to specified label |
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* |
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* @param Request $Request |
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* @param string $label |
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* |
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* @return bool |
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*/ |
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protected function check_permission ($Request, $label) { |
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if ($Request->cli_path) { |
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return true; |
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} |
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$permission_group = $Request->current_module; |
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if ($Request->admin_path) { |
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$permission_group = "admin/$permission_group"; |
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} elseif ($Request->api_path) { |
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$permission_group = "api/$permission_group"; |
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} |
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return User::instance()->get_permission($permission_group, $label); |
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} |
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/** |
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* @param Request $Request |
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* |
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* @throws ExitException |
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*/ |
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protected function render ($Request) { |
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$Page = Page::instance(); |
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if ($Request->cli_path || $Request->api_path || !$Page->interface) { |
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$this->execute_router($Request); |
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} else { |
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$this->render_title($Request, $Page); |
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$this->execute_router($Request); |
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$this->render_blocks($Page); |
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} |
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} |
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/** |
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* Render page title |
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* |
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* @param Request $Request |
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* @param Page $Page |
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*/ |
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protected function render_title ($Request, $Page) { |
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/** |
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* Add generic Home or Module name title |
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*/ |
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$L = Language::instance(); |
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if ($Request->admin_path) { |
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$Page->title($L->system_admin_administration); |
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} |
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$Page->title( |
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$L->{$Request->home_page ? 'system_home' : $Request->current_module} |
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); |
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} |
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/** |
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* Blocks rendering |
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* |
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* @param Page $Page |
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*/ |
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protected function render_blocks ($Page) { |
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$blocks = Config::instance()->components['blocks']; |
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/** |
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* It is frequent that there is no blocks - so, no need to to anything here |
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*/ |
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if (!$blocks) { |
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return; |
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} |
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$blocks_array = [ |
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'top' => '', |
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'left' => '', |
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'right' => '', |
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'bottom' => '' |
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]; |
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foreach ($blocks as $block) { |
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/** |
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* If there is no need to show block or it was rendered by even handler - skip further processing |
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*/ |
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if ( |
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!$this->should_block_be_rendered($block) || |
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!Event::instance()->fire( |
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'System/App/block_render', |
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[ |
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'index' => $block['index'], |
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'blocks_array' => &$blocks_array |
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] |
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) |
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) { |
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/** |
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* Block was rendered by event handler |
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*/ |
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continue; |
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} |
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$block['title'] = $this->ml_process($block['title']); |
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switch ($block['type']) { |
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default: |
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$block['content'] = ob_wrapper( |
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function () use ($block) { |
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include BLOCKS."/block.$block[type].php"; |
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} |
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); |
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break; |
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case 'html': |
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case 'raw_html': |
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$block['content'] = $this->ml_process($block['content']); |
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break; |
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} |
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if ($block['position'] == 'floating') { |
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$Page->replace( |
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"<!--block#$block[index]-->", |
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$block['content'] |
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); |
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} else { |
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$blocks_array[$block['position']] .= $block['content']; |
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} |
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} |
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$Page->Top .= $blocks_array['top']; |
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$Page->Left .= $blocks_array['left']; |
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$Page->Right .= $blocks_array['right']; |
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$Page->Bottom .= $blocks_array['bottom']; |
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} |
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/** |
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* Check whether to render block or not based on its properties (active state, when start to show, when it expires and permissions) |
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* |
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* @param array $block |
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* |
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* @return bool |
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*/ |
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protected function should_block_be_rendered ($block) { |
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return |
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$block['active'] && |
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$block['start'] <= time() && |
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( |
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!$block['expire'] || |
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$block['expire'] >= time() |
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) && |
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User::instance()->get_permission('Block', $block['index']); |
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} |
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/** |
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* @param string $text |
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* |
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* @return string |
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*/ |
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protected function ml_process ($text) { |
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return Text::instance()->process(Config::instance()->module('System')->db('texts'), $text, true); |
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} |
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/** |
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* Getter for `controller_path` property (no other properties supported currently) |
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* |
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* @param string $property |
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* |
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* @return false|string[] |
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*/ |
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public function __get ($property) { |
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if ($property == 'controller_path') { |
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return $this->controller_path; |
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} |
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return false; |
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} |
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} |
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nazar-pc /
CleverStyle-Framework
