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<?php |
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/** |
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* App_Web extends an APP of CommandLine applications with knowledge of HTML |
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* templates, understanding of pages and routing. |
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*/ |
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class App_Web extends App_CLI |
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{ |
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/** |
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* Cleaned up name of the currently requested page. |
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*/ |
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public $page = null; |
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/** |
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* Root page where URL will send when ('/') is encountered. |
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* |
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* @todo: make this work properly |
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*/ |
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public $index_page = 'index'; |
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/** |
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* Recorded time when execution has started. |
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*/ |
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public $start_time = null; |
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/** |
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* Skin for web application templates. |
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*/ |
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public $skin; |
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/** |
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* Set a title of your application, will appear in <title> tag. |
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*/ |
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public $title; |
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/** |
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* Authentication object |
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* |
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* @see Auth_Basic::init() |
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* @var Auth_Basic |
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*/ |
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public $auth; |
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/** |
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* jQuery object. Initializes only if you add jQuery in your app. |
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* |
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* @see jQuery::init() |
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* @var jQuery |
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*/ |
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public $jquery; |
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/** @var App_Web */ |
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public $app; |
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/** @var array For internal use */ |
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protected $included; |
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/** @var array For internal use */ |
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protected $rendered; |
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// {{{ Start-up |
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public function __construct($realm = null, $skin = 'default', $options = array()) |
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{ |
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$this->start_time = time() + microtime(); |
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$this->skin = $skin; |
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try { |
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parent::__construct($realm, $options); |
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} catch (Exception $e) { |
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// This exception is used to abort initialisation of the objects, |
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// but when normal rendering is still required |
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if ($e instanceof Exception_Stop) { |
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return; |
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} |
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$this->caughtException($e); |
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} |
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} |
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/** |
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* Executed before init, this method will initialize PageManager and |
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* pathfinder. |
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*/ |
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public function _beforeInit() |
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{ |
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$this->pm = $this->add($this->pagemanager_class, $this->pagemanager_options); |
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$this->pm->parseRequestedURL(); |
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parent::_beforeInit(); |
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} |
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/** |
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* Redefine this function instead of default constructor. |
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*/ |
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public function init() |
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{ |
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$this->getLogger(); |
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// Verify Licensing |
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//$this->licenseCheck('atk4'); |
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// send headers, no caching |
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$this->sendHeaders(); |
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$this->cleanMagicQuotes(); |
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parent::init(); |
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// in addition to default initialization, set up logger and template |
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$this->initializeTemplate(); |
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if (get_class($this) == 'App_Web') { |
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$this->setConfig(array('url_postfix' => '.php', 'url_prefix' => '')); |
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} |
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} |
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/** |
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* Magic Quotes were a design error. Let's strip them if they are enabled. |
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*/ |
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public function cleanMagicQuotes() |
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{ |
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if (!function_exists('stripslashes_array')) { |
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function stripslashes_array(&$array, $iterations = 0) |
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{ |
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if ($iterations < 3) { |
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foreach ($array as $key => $value) { |
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if (is_array($value)) { |
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stripslashes_array($array[$key], $iterations + 1); |
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} else { |
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$array[$key] = stripslashes($array[$key]); |
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} |
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} |
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} |
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} |
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} |
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if (get_magic_quotes_gpc()) { |
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stripslashes_array($_GET); |
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stripslashes_array($_POST); |
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stripslashes_array($_COOKIE); |
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} |
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} |
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/** |
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* Sends default headers. Re-define to send your own headers. |
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*/ |
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public function sendHeaders() |
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{ |
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header('Content-Type: text/html; charset=utf-8'); |
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header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past |
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header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); // always modified |
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header('Cache-Control: no-store, no-cache, must-revalidate'); // HTTP/1.1 |
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header('Cache-Control: post-check=0, pre-check=0', false); |
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header('Pragma: no-cache'); // HTTP/1.0 |
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} |
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/** |
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* Call this method if you want to see execution time on the bottom of your pages. |
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*/ |
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public function showExecutionTime() |
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{ |
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$this->addHook('post-render-output', array($this, '_showExecutionTime')); |
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$this->addHook('post-js-execute', array($this, '_showExecutionTimeJS')); |
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} |
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/** @ignore */ |
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public function _showExecutionTime() |
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{ |
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echo 'Took '.(time() + microtime() - $this->start_time).'s'; |
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} |
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/** @ignore */ |
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public function _showExecutionTimeJS() |
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{ |
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echo "\n\n/* Took ".number_format(time() + microtime() - $this->start_time, 5).'s */'; |
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} |
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// }}} |
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// {{{ Obsolete |
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/** |
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* This method is called when exception was caught in the application. |
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* |
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* @param Exception $e |
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*/ |
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public function caughtException($e) |
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{ |
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$this->hook('caught-exception', array($e)); |
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throw $e; |
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echo '<span style="color:red">Problem with your request.</span>'; |
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echo "<p>Please use 'Logger' class for more sophisticated output<br>\$app->add('Logger');</p>"; |
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exit; |
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} |
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/** |
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* @todo Description |
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* |
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* @param string $msg |
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* @param int $shift |
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* |
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* @return bool|void |
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*/ |
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View Code Duplication |
public function outputWarning($msg, $shift = 0) |
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{ |
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if ($this->hook('output-warning', array($msg, $shift))) { |
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return true; |
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} |
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echo '<span style="color:red">', $msg, '</span>'; |
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} |
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/** |
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* @todo Description |
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* |
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* @param string $msg |
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* @param int $shift |
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* |
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* @return bool|void |
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*/ |
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View Code Duplication |
public function outputDebug($msg, $shift = 0) |
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{ |
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if ($this->hook('output-debug', array($msg, $shift))) { |
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return true; |
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} |
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echo '<span style="color:blue">', $msg, '</font><br />'; |
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} |
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// }}} |
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// {{{ Sessions |
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/** |
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* Initializes existing or new session. |
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* |
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* Attempts to re-initialize session. If session is not found, |
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* new one will be created, unless $create is set to false. Avoiding |
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* session creation and placing cookies is to enhance user privacy. |
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* Call to memorize() / recall() will automatically create session |
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* |
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* @param bool $create |
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*/ |
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public $_is_session_initialized = false; |
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public function initializeSession($create = true) |
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{ |
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if ($this->_is_session_initialized || session_id()) { |
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return; |
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} |
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// Change settings if defined in settings file |
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$params = session_get_cookie_params(); |
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$params['httponly'] = true; // true by default |
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foreach ($params as $key => $default) { |
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$params[$key] = $this->app->getConfig('session/'.$key, $default); |
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} |
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if ($create === false && !isset($_COOKIE[$this->name])) { |
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return; |
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} |
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$this->_is_session_initialized = true; |
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session_set_cookie_params( |
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$params['lifetime'], |
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$params['path'], |
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$params['domain'], |
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$params['secure'], |
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$params['httponly'] |
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); |
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session_name($this->name); |
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session_start(); |
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} |
267
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268
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/** |
269
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* Completely destroy existing session. |
270
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*/ |
271
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public function destroySession() |
272
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{ |
273
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if ($this->_is_session_initialized) { |
274
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$_SESSION = array(); |
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if (isset($_COOKIE[$this->name])) { |
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setcookie($this->name/*session_name()*/, '', time() - 42000, '/'); |
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} |
278
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session_destroy(); |
279
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$this->_is_session_initialized = false; |
280
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} |
281
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} |
282
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// }}} |
283
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284
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// {{{ Sticky GET Argument implementation. Register stickyGET to have it appended to all generated URLs |
285
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public $sticky_get_arguments = array(); |
286
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/** |
287
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* Make current get argument with specified name automatically appended to all generated URLs. |
288
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* |
289
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* @param string $name |
290
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* |
291
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* @return string |
292
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*/ |
293
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public function stickyGet($name) |
294
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{ |
295
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$this->sticky_get_arguments[$name] = @$_GET[$name]; |
296
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297
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return $_GET[$name]; |
298
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} |
299
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300
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/** |
301
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* Remove sticky GET which was set by stickyGET. |
302
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* |
303
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* @param string $name |
304
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*/ |
305
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public function stickyForget($name) |
306
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{ |
307
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unset($this->sticky_get_arguments[$name]); |
308
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} |
309
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310
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/** @ignore - used by URL class */ |
311
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public function getStickyArguments() |
312
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{ |
313
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return $this->sticky_get_arguments; |
314
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} |
315
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316
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/** |
317
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* @todo Description |
318
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* |
319
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* @param string $name |
320
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* |
321
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* @return string |
322
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*/ |
323
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public function get($name) |
324
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{ |
325
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return $_GET[$name]; |
326
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} |
327
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328
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/** |
329
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* @todo Description |
330
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* |
331
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* @param string $file |
332
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* @param string $ext |
333
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* @param string $locate |
334
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* |
335
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* @return $this |
336
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*/ |
337
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View Code Duplication |
public function addStylesheet($file, $ext = '.css', $locate = 'css') |
338
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{ |
339
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//$file = $this->app->locateURL('css', $file . $ext); |
340
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if (@$this->included[$locate.'-'.$file.$ext]++) { |
341
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return; |
342
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} |
343
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344
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if (strpos($file, 'http') !== 0 && $file[0] != '/') { |
345
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$url = $this->locateURL($locate, $file.$ext); |
346
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} else { |
347
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$url = $file; |
348
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} |
349
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|
350
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$this->template->appendHTML( |
351
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'js_include', |
352
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'<link type="text/css" href="'.$url.'" rel="stylesheet" />'."\n" |
353
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); |
354
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|
355
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return $this; |
356
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} |
357
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// }}} |
358
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|
359
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// {{{ Very Important Methods |
360
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|
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/** |
361
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|
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* Call this method from your index file. It is the main method of Agile Toolkit. |
362
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|
|
*/ |
363
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|
|
public function main() |
364
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|
|
{ |
365
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|
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try { |
366
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|
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// Initialize page and all elements from here |
367
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$this->initLayout(); |
368
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} catch (Exception $e) { |
369
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|
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if (!($e instanceof Exception_Stop)) { |
370
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return $this->caughtException($e); |
371
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} |
372
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|
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//$this->caughtException($e); |
373
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} |
374
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|
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|
375
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try { |
376
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$this->hook('post-init'); |
377
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$this->hook('afterInit'); |
378
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|
379
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$this->hook('pre-exec'); |
380
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$this->hook('beforeExec'); |
381
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|
382
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if (isset($_GET['submit']) && $_POST) { |
383
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$this->hook('submitted'); |
384
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} |
385
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|
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|
386
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$this->hook('post-submit'); |
387
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|
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$this->hook('afterSubmit'); |
388
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|
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|
389
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$this->execute(); |
390
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|
|
} catch (Exception $e) { |
391
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|
|
$this->caughtException($e); |
392
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|
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} |
393
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|
|
$this->hook('saveDelayedModels'); |
394
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|
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} |
395
|
|
|
|
396
|
|
|
/** |
397
|
|
|
* Main execution loop. |
398
|
|
|
*/ |
399
|
|
|
public function execute() |
400
|
|
|
{ |
401
|
|
|
$this->rendered['sub-elements'] = array(); |
402
|
|
|
try { |
403
|
|
|
$this->hook('pre-render'); |
404
|
|
|
$this->hook('beforeRender'); |
405
|
|
|
$this->recursiveRender(); |
406
|
|
|
if (isset($_GET['cut_object'])) { |
407
|
|
|
throw new BaseException("Unable to cut object with name='".$_GET['cut_object']."'. ". |
408
|
|
|
"It wasn't initialized"); |
409
|
|
|
} |
410
|
|
|
if (isset($_GET['cut_region'])) { |
411
|
|
|
// @todo Imants: This looks something obsolete. At least property cut_region_result is never defined. |
412
|
|
|
if (!$this->cut_region_result) { |
|
|
|
|
413
|
|
|
throw new BaseException("Unable to cut region with name='".$_GET['cut_region']."'"); |
414
|
|
|
} |
415
|
|
|
echo $this->cut_region_result; |
416
|
|
|
|
417
|
|
|
return; |
418
|
|
|
} |
419
|
|
|
} catch (Exception $e) { |
420
|
|
|
if ($e instanceof Exception_Stop) { |
421
|
|
|
$this->hook('cut-output'); |
422
|
|
|
if (isset($e->result)) { |
423
|
|
|
echo $e->result; |
424
|
|
|
} |
425
|
|
|
$this->hook('post-render-output'); |
426
|
|
|
|
427
|
|
|
return; |
428
|
|
|
} |
429
|
|
|
throw $e; |
430
|
|
|
} |
431
|
|
|
} |
432
|
|
|
|
433
|
|
|
/** |
434
|
|
|
* Renders all objects inside applications and echo all output to the browser. |
435
|
|
|
*/ |
436
|
|
|
public function render() |
437
|
|
|
{ |
438
|
|
|
$this->hook('pre-js-collection'); |
439
|
|
|
if (isset($this->app->jquery) && $this->app->jquery) { |
440
|
|
|
$this->app->jquery->getJS($this); |
441
|
|
|
} |
442
|
|
|
|
443
|
|
|
if (!($this->template)) { |
444
|
|
|
throw new BaseException('You should specify template for APP object'); |
445
|
|
|
} |
446
|
|
|
|
447
|
|
|
$this->hook('pre-render-output'); |
448
|
|
|
if (headers_sent($file, $line)) { |
449
|
|
|
echo "<br />Direct output (echo or print) detected on $file:$line. <a target='_blank' " |
450
|
|
|
."href='http://agiletoolkit.org/error/direct_output'>Use \$this->add('Text') instead</a>.<br />"; |
451
|
|
|
} |
452
|
|
|
echo $this->template->render(); |
453
|
|
|
$this->hook('post-render-output'); |
454
|
|
|
} |
455
|
|
|
// }}} |
456
|
|
|
|
457
|
|
|
// {{{ Miscelanious Functions |
458
|
|
|
/** |
459
|
|
|
* Render only specified object or object with specified name. |
460
|
|
|
* |
461
|
|
|
* @param mixed $object |
462
|
|
|
* |
463
|
|
|
* @return $this |
464
|
|
|
*/ |
465
|
|
|
public function cut($object) |
466
|
|
|
{ |
467
|
|
|
$_GET['cut_object'] = is_object($object) ? $object->name : $object; |
468
|
|
|
|
469
|
|
|
return $this; |
470
|
|
|
} |
471
|
|
|
|
472
|
|
|
/** |
473
|
|
|
* Perform instant redirect to another page. |
474
|
|
|
* |
475
|
|
|
* @param string $page |
476
|
|
|
* @param array $args |
477
|
|
|
*/ |
478
|
|
|
public function redirect($page = null, $args = array()) |
479
|
|
|
{ |
480
|
|
|
/* |
481
|
|
|
* Redirect to specified page. $args are $_GET arguments. |
482
|
|
|
* Use this function instead of issuing header("Location") stuff |
483
|
|
|
*/ |
484
|
|
|
$url = $this->url($page, $args); |
485
|
|
|
if ($this->app->isAjaxOutput()) { |
486
|
|
|
if ($_GET['cut_page']) { |
487
|
|
|
echo '<script>'.$this->app->js()->redirect($url).'</script>Redirecting page...'; |
488
|
|
|
exit; |
489
|
|
|
} else { |
490
|
|
|
$this->app->js()->redirect($url)->execute(); |
491
|
|
|
} |
492
|
|
|
} |
493
|
|
|
header('Location: '.$url); |
494
|
|
|
exit; |
495
|
|
|
} |
496
|
|
|
|
497
|
|
|
/** |
498
|
|
|
* Called on all templates in the system, populates some system-wide tags. |
499
|
|
|
* |
500
|
|
|
* @param Template $t |
501
|
|
|
*/ |
502
|
|
|
public function setTags($t) |
503
|
|
|
{ |
504
|
|
|
// Determine Location to atk_public |
505
|
|
|
if ($this->app->pathfinder && $this->app->pathfinder->atk_public) { |
506
|
|
|
$q = $this->app->pathfinder->atk_public->getURL(); |
507
|
|
|
} else { |
508
|
|
|
$q = 'http://www.agiletoolkit.org/'; |
509
|
|
|
} |
510
|
|
|
|
511
|
|
|
$t->trySet('atk_path', $q.'/'); |
512
|
|
|
$t->trySet('base_path', $q = $this->app->pm->base_path); |
513
|
|
|
|
514
|
|
|
// We are using new capability of SMlite to process tags individually |
515
|
|
|
try { |
516
|
|
|
$t->eachTag($tag = 'template', array($this, '_locateTemplate')); |
517
|
|
|
$t->eachTag($tag = 'public', array($this, '_locatePublic')); |
518
|
|
|
$t->eachTag($tag = 'js', array($this, '_locateJS')); |
519
|
|
|
$t->eachTag($tag = 'css', array($this, '_locateCSS')); |
520
|
|
|
$t->eachTag($tag = 'page', array($this, '_locatePage')); |
521
|
|
|
} catch (BaseException $e) { |
522
|
|
|
throw $e |
523
|
|
|
->addMoreInfo('processing_tag', $tag) |
524
|
|
|
->addMoreInfo('template', $t->template_file) |
525
|
|
|
; |
526
|
|
|
} |
527
|
|
|
|
528
|
|
|
$this->hook('set-tags', array($t)); |
529
|
|
|
} |
530
|
|
|
|
531
|
|
|
/** |
532
|
|
|
* Returns true if browser is going to EVAL output. |
533
|
|
|
* |
534
|
|
|
* @todo rename into isJSOutput(); |
535
|
|
|
* |
536
|
|
|
* @return bool |
537
|
|
|
*/ |
538
|
|
|
public function isAjaxOutput() |
539
|
|
|
{ |
540
|
|
|
return isset($_POST['ajax_submit']) || ($_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest'); |
541
|
|
|
} |
542
|
|
|
|
543
|
|
|
/** @private - NO PRIVATE !!! */ |
544
|
|
|
public function _locateTemplate($path) |
545
|
|
|
{ |
546
|
|
|
return $this->locateURL('public', $path); |
547
|
|
|
} |
548
|
|
|
public function _locatePublic($path) |
549
|
|
|
{ |
550
|
|
|
return $this->locateURL('public', $path); |
551
|
|
|
} |
552
|
|
|
public function _locateJS($path) |
553
|
|
|
{ |
554
|
|
|
return $this->locateURL('js', $path); |
555
|
|
|
} |
556
|
|
|
public function _locateCSS($path) |
557
|
|
|
{ |
558
|
|
|
return $this->locateURL('css', $path); |
559
|
|
|
} |
560
|
|
|
public function _locatePage($path) |
561
|
|
|
{ |
562
|
|
|
return $this->url($path); |
563
|
|
|
} |
564
|
|
|
|
565
|
|
|
/** |
566
|
|
|
* Only show $object in the final rendering. |
567
|
|
|
* |
568
|
|
|
* @deprecated 4.4 |
569
|
|
|
*/ |
570
|
|
|
public function renderOnly($object) |
571
|
|
|
{ |
572
|
|
|
return $this->cut($object); |
573
|
|
|
} |
574
|
|
|
// }}} |
575
|
|
|
|
576
|
|
|
// {{{ Layout implementation |
577
|
|
|
private $layout_initialized = false; |
578
|
|
|
/** |
579
|
|
|
* Implements Layouts. |
580
|
|
|
* Layout is region in shared template which may be replaced by object. |
581
|
|
|
*/ |
582
|
|
|
public function initLayout() |
583
|
|
|
{ |
584
|
|
|
if ($this->layout_initialized) { |
585
|
|
|
throw $this->exception('Please do not call initLayout() directly from init()', 'Obsolete'); |
586
|
|
|
} |
587
|
|
|
$this->layout_initialized = true; |
588
|
|
|
} |
589
|
|
|
|
590
|
|
|
// TODO: layouts need to be simplified and obsolete, because we have have other layouts now. |
591
|
|
|
// doc/layouts |
592
|
|
|
// |
593
|
|
|
/** |
594
|
|
|
* Register new layout, which, if has method and tag in the template, will be rendered. |
595
|
|
|
* |
596
|
|
|
* @param string $name |
597
|
|
|
* |
598
|
|
|
* @return $this |
599
|
|
|
*/ |
600
|
|
|
public function addLayout($name) |
601
|
|
|
{ |
602
|
|
|
if (!$this->template) { |
603
|
|
|
return; |
604
|
|
|
} |
605
|
|
|
// TODO: change to functionExists() |
606
|
|
|
if (method_exists($this, $lfunc = 'layout_'.$name)) { |
607
|
|
|
if ($this->template->is_set($name)) { |
608
|
|
|
$this->$lfunc(); |
609
|
|
|
} |
610
|
|
|
} |
611
|
|
|
|
612
|
|
|
return $this; |
613
|
|
|
} |
614
|
|
|
|
615
|
|
|
/** |
616
|
|
|
* Default handling of Content page. To be replaced by App_Frontend |
617
|
|
|
* This function initializes content. Content is page-dependant. |
618
|
|
|
*/ |
619
|
|
|
public function layout_Content() |
620
|
|
|
{ |
621
|
|
|
$page = str_replace('/', '_', $this->page); |
622
|
|
|
|
623
|
|
|
if (method_exists($this, $pagefunc = 'page_'.$page)) { |
624
|
|
|
$p = $this->add('Page', $this->page, 'Content'); |
625
|
|
|
$this->$pagefunc($p); |
626
|
|
|
} else { |
627
|
|
|
$this->app->locate('page', str_replace('_', '/', $this->page).'.php'); |
628
|
|
|
$this->add('page_'.$page, $page, 'Content'); |
629
|
|
|
//throw new BaseException("No such page: ".$this->page); |
630
|
|
|
} |
631
|
|
|
} |
632
|
|
|
|
633
|
|
|
/** |
634
|
|
|
* Default template for the application. Redefine to add your own rules. |
635
|
|
|
* |
636
|
|
|
* @return array|string |
637
|
|
|
*/ |
638
|
|
|
public function defaultTemplate() |
639
|
|
|
{ |
640
|
|
|
return array('html'); |
|
|
|
|
641
|
|
|
} |
642
|
|
|
// }}} |
643
|
|
|
} |
644
|
|
|
|
If you implement
__call
and you know which methods are available, you can improve IDE auto-completion and static analysis by adding a @method annotation to the class.This is often the case, when
__call
is implemented by a parent class and only the child class knows which methods exist: