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add generic decorator for views

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Uwe Steinmann 2019-08-08 09:20:36 +02:00
parent d449d2bcee
commit 3b060dc091
1 changed files with 60 additions and 0 deletions
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views/bootstrap/class.Decorator.php Normal file
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<?php
/**
* Implementation of the decorator pattern
*
* @category DMS
* @package SeedDMS_Core
* @license GPL 2
* @version @version@
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2010, Uwe Steinmann
* @version Release: @package_version@
*/
/**
* Class which implements a simple decorator pattern
*
* @category DMS
* @package SeedDMS_Core
* @version @version@
* @author Uwe Steinmann <uwe@steinmann.cx>
* @copyright Copyright (C) 2010, Uwe Steinmann
* @version Release: @package_version@
*/
class SeedDMS_View_Decorator {
protected $o;
public function __construct($object) {
$this->o = $object;
}
public function __call($method, $args)
{
if (!method_exists($this->o, $method)) {
throw new Exception("Undefined method $method attempt.");
}
/* In case the called method returns the object itself, then return this object */
$result = call_user_func_array(array($this->o, $method), $args);
return $result === $this->o ? $this : $result;
}
/**
* Must have its own invoke
*/
public function __invoke($get=array()) {
$this->callHook('preRun', isset($get['action']) ? $get['action'] : 'show');
if(isset($get['action']) && $get['action']) {
if(method_exists($this->o, $get['action'])) {
$this->o->{$get['action']}();
} else {
echo "Missing action '".htmlspecialchars($get['action'])."'";
}
} else
$this->show();
$this->callHook('postRun', isset($get['action']) ? $get['action'] : 'show');
}
}