MIF_E31222691/system/view.php

157 lines
2.5 KiB
PHP

<?php namespace System;
class View {
/**
* The name of the view.
*
* @var string
*/
public $view;
/**
* The view data.
*
* @var array
*/
public $data = array();
/**
* The name of last rendered view.
*
* @var string
*/
public static $last;
/**
* Create a new view instance.
*
* @param string $view
* @param array $data
* @return void
*/
public function __construct($view, $data = array())
{
$this->view = $view;
$this->data = $data;
}
/**
* Create a new view instance.
*
* @param string $view
* @param array $data
* @return View
*/
public static function make($view, $data = array())
{
return new self($view, $data);
}
/**
* Get the parsed content of the view.
*
* @return string
*/
public function get()
{
static::$last = $this->view;
// Get the evaluated content of all of the sub-views.
foreach ($this->data as &$data)
{
if ($data instanceof View or $data instanceof Response)
{
$data = (string) $data;
}
}
extract($this->data, EXTR_SKIP);
ob_start();
$path = $this->find();
try { include $path; } catch (\Exception $e) { Error::handle($e); }
return ob_get_clean();
}
/**
* Get the full path to the view.
*
* Views are cascaded, so the application directory views will take
* precedence over system directory views of the same name.
*
* @return string
*/
private function find()
{
if (file_exists($path = APP_PATH.'views/'.$this->view.EXT))
{
return $path;
}
elseif (file_exists($path = SYS_PATH.'views/'.$this->view.EXT))
{
return $path;
}
else
{
throw new \Exception("View [".$this->view."] doesn't exist.");
}
}
/**
* Add a key / value pair to the view data.
*
* @param string $key
* @param mixed $value
* @return View
*/
public function bind($key, $value)
{
$this->data[$key] = $value;
return $this;
}
/**
* Magic Method for getting items from the view data.
*/
public function __get($key)
{
return $this->data[$key];
}
/**
* Magic Method for setting items in the view data.
*/
public function __set($key, $value)
{
$this->bind($key, $value);
}
/**
* Magic Method for determining if an item is in the view data.
*/
public function __isset($key)
{
return array_key_exists($key, $this->data);
}
/**
* Magic Method for removing an item from the view data.
*/
public function __unset($key)
{
unset($this->data[$key]);
}
/**
* Get the parsed content of the View.
*/
public function __toString()
{
return $this->get();
}
}