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<?php
/**
* @package JCE
* @copyright Copyright © 2009-2011 Ryan Demmer. All rights reserved.
* @license GNU/GPL 2 or later - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* JCE is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
*/
defined('_JEXEC') or die('RESTRICTED');
final class WFView extends JObject
{
private $path = array();
public function __construct ($config = array())
{
if (!array_key_exists('base_path', $config)) {
$config['base_path'] = WF_EDITOR_LIBRARIES;
}
if (!array_key_exists('layout', $config)) {
$config['layout'] = 'default';
}
if (!array_key_exists('name', $config)) {
$config['name'] = '';
}
$this->setProperties($config);
if (array_key_exists('template_path', $config)) {
$this->addTemplatePath($config['template_path']);
} else {
$this->addTemplatePath($this->get('base_path') . DS . 'views' .DS. $this->getName() .DS. 'tmpl');
}
}
/**
* Execute and display a template script.
*
* @param string $tpl The name of the template file to parse;
* automatically searches through the template paths.
*
* @throws object An JError object.
* JView::display()
* @copyright Copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
*/
public function display($tpl = null)
{
$result = $this->loadTemplate($tpl);
if (JError::isError($result)) {
return $result;
}
echo $result;
}
/**
* Assigns variables to the view script via differing strategies.
*
* This method is overloaded; you can assign all the properties of
* an object, an associative array, or a single value by name.
*
* You are not allowed to set variables that begin with an underscore;
* these are either private properties for JView or private variables
* within the template script itself.
*
* <code>
* $view = new JView();
*
* // assign directly
* $view->var1 = 'something';
* $view->var2 = 'else';
*
* // assign by name and value
* $view->assign('var1', 'something');
* $view->assign('var2', 'else');
*
* // assign by assoc-array
* $ary = array('var1' => 'something', 'var2' => 'else');
* $view->assign($obj);
*
* // assign by object
* $obj = new stdClass;
* $obj->var1 = 'something';
* $obj->var2 = 'else';
* $view->assign($obj);
*
* </code>
*
* @access public
* @return bool True on success, false on failure.
*
* JView::assign()
* @copyright Copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
*/
public function assign()
{
// get the arguments; there may be 1 or 2.
$arg0 = @func_get_arg(0);
$arg1 = @func_get_arg(1);
// assign by object
if (is_object($arg0))
{
// assign public properties
foreach (get_object_vars($arg0) as $key => $val)
{
if (substr($key, 0, 1) != '_') {
$this->$key = $val;
}
}
return true;
}
// assign by associative array
if (is_array($arg0))
{
foreach ($arg0 as $key => $val)
{
if (substr($key, 0, 1) != '_') {
$this->$key = $val;
}
}
return true;
}
// assign by string name and mixed value.
// we use array_key_exists() instead of isset() becuase isset()
// fails if the value is set to null.
if (is_string($arg0) && substr($arg0, 0, 1) != '_' && func_num_args() > 1)
{
$this->$arg0 = $arg1;
return true;
}
// $arg0 was not object, array, or string.
return false;
}
/**
* Assign variable for the view (by reference).
*
* You are not allowed to set variables that begin with an underscore;
* these are either private properties for JView or private variables
* within the template script itself.
*
* <code>
* $view = new JView();
*
* // assign by name and value
* $view->assignRef('var1', $ref);
*
* // assign directly
* $view->ref = $var1;
* </code>
*
* @access public
*
* @param string $key The name for the reference in the view.
* @param mixed &$val The referenced variable.
*
* @return bool True on success, false on failure.
*
* JView::assignRef()
* @copyright Copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
*/
public function assignRef($key, &$val)
{
if (is_string($key) && substr($key, 0, 1) != '_')
{
$this->$key = $val;
return true;
}
return false;
}
public function getName()
{
return $this->get('name');
}
public function setLayout($layout)
{
$this->set('layout', $layout);
}
public function getLayout()
{
return $this->get('layout');
}
public function addTemplatePath($path)
{
$this->path[] = $path;
}
public function getTemplatePath()
{
return $this->path;
}
/**
* Load a template file
*
* @access public
* @param string $tpl The name of the template source file ...
* automatically searches the template paths and compiles as needed.
* @return string The output of the the template script.
*
* JView::loadTemplate()
* @copyright Copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
*/
public function loadTemplate($tpl = null)
{
// clear prior output
$output = null;
$template = null;
//create the template file name based on the layout
$file = isset($tpl) ? $this->getLayout() .'_' . $tpl : $this->getLayout();
// clean the file name
$file = preg_replace('/[^A-Z0-9_\.-]/i', '', $file);
$tpl = preg_replace('/[^A-Z0-9_\.-]/i', '', $tpl);
// load the template script
jimport('joomla.filesystem.path');
$template = JPath::find($this->getTemplatePath(), $file . '.php');
if ($template != false)
{
// unset so as not to introduce into template scope
unset($tpl);
unset($file);
// never allow a 'this' property
if (isset($this->this)) {
unset($this->this);
}
// start capturing output into a buffer
ob_start();
// include the requested template filename in the local scope
// (this will execute the view logic).
include $template;
// done with the requested template; get the buffer and
// clear it.
$output = ob_get_contents();
ob_end_clean();
return $output;
} else {
return JError::raiseError( 500, 'Layout "' . $file . '" not found' );
}
}
}