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<?php
/**
* Manages passing variables to templates and rendering them
* @package Core
*/
class View{
/**
* Full path to template file
* @var string
* @access private
*/
private $path;
/**
* The name of the view.
* @var string
* @access public
*/
public $name;
/**
* Stores all the variables passed to the view
* @var array
* @access private
*/
private $_data = array();
/**
* Manages storing the data passed to the view as properties
*
* @param string $key Property name
* @param string $val Property value
* @return void
* @access public
*/
public function __set($key, $val) {
$this->_data[$key]=$val;
}
/**
* Manages accessing passed data as properties
*
* @param string $key Property name
* @return mixed Property value
* @access public
* @throws Exception If the property is not found
*/
public function __get($key){
if (isset($this->_data[$key]))
return $this->_data[$key];
throw new Exception("Value {$key} not set for view {$name}");
}
/**
* Renders the template, all dynamically set properties
* will be available inside the view file as variables.
* Example:
* <code>
* $view = View::get('frontpage');
* $view->title = "Page title";
* echo $view->render();
* </code>
*
* @return string Rendered template
* @access public
*/
public function render() {
extract($this->_data);
ob_start();
include($this->path);
$out = ob_get_contents();
ob_end_clean();
return $out;
}
/**
* Constructs the view
*
* @param string $name The name of the template to use
* @return View
* @access public
* @throws Exception If specified template is not found
* @static
*/
public static function get($name){
$view = new View();
$view->name = $name;
$file = Misc::find_file('views', $name);
if ($file == false)
throw new Exception("View {$name} not found.");
$view->path=$file;
return $view;
}
}
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