egroupware_official/etemplate/inc/class.etemplate_widget_template.inc.php

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<?php
/**
* EGroupware - eTemplate serverside template widget
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker@outdoor-training.de>
* @copyright 2002-11 by RalfBecker@outdoor-training.de
* @version $Id$
*/
// allow to call direct for tests (see end of class)
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if (!isset($GLOBALS['egw_info']))
{
$GLOBALS['egw_info'] = array(
'flags' => array(
'currentapp' => 'login',
'debug' => 'etemplate_widget_template',
)
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);
include_once '../../header.inc.php';
}
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/**
* eTemplate widget baseclass
*/
class etemplate_widget_template extends etemplate_widget
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{
/**
* Cache of already read templates
*
* @var array with name => template pairs
*/
protected static $cache = array();
/**
* Get instance of template specified by name, template(-set) and version
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*
* @param string $name
* @param string $template_set='default'
* @param string $version=''
* @param string $load_via='' use given template to load $name
* @todo Reading customized templates from database
* @return etemplate_widget_template|boolean false if not found
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*/
public static function instance($name, $template_set='default', $version='', $load_via='')
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{
$start = microtime(true);
if (isset(self::$cache[$name]) || !($path = self::relPath($name, $template_set, $version)))
{
if ((!$path || self::read($load_via, $template_set)) && isset(self::$cache[$name]))
{
//error_log(__METHOD__."('$name', '$template_set', '$version', '$load_via') read from cache");
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return self::$cache[$name];
}
// Template not found, try again as if $name were a partial name
else if(!$path && strpos($name,'.') === false)
{
foreach(self::$cache as $c_name => $c_template)
{
list($c_app, $c_main, $c_sub) = explode('.',$c_name, 3);
if($name == $c_sub) return $c_template;
$parts = explode('.',$c_name);
if($name == $parts[count($parts)-1]) return $c_template;
}
}
// Template not found, try again with content expansion
if (is_array(self::$request->content))
{
$expand_name = self::expand_name($name, '','','','',self::$cont);
if($expand_name && $expand_name != $name) return self::instance($expand_name, $template_set, $version, $load_via);
}
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error_log(__METHOD__."('$name', '$template_set', '$version', '$load_via') template NOT found!");
return false;
}
$reader = new XMLReader();
if (!$reader->open(EGW_SERVER_ROOT.$path)) return false;
while($reader->read())
{
if ($reader->nodeType == XMLReader::ELEMENT && $reader->name == 'template')
{
$template = new etemplate_widget_template($reader);
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//echo $template->id; _debug_array($template);
self::$cache[$template->id] = $template;
if ($template->id == $name)
{
//error_log(__METHOD__."('$name', '$template_set', '$version', '$load_via') read in ".round(1000.0*(microtime(true)-$start),2)." ms");
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return $template;
}
}
}
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// template not found in file, should never happen
error_log(__METHOD__."('$name', '$template_set', '$version', '$load_via') template NOT found in file '$path'!");
return false;
}
/**
* Get path/URL relative to EGroupware install of a template
*
* @param string $name
* @param string $template_set='default'
* @param string $version=''
* @return string|boolean path of template xml file or false if not found
*/
public static function relPath($name, $template_set='default', $version='')
{
list($app, $rest) = explode('.', $name, 2);
$path = '/'.$app.'/templates/'.$template_set.'/'.$rest.'.xet';
if (file_exists(EGW_SERVER_ROOT.$path)) return $path;
if ($templateSet != 'default')
{
$path = '/'.$app.'/templates/default/'.$rest.'.xet';
if (file_exists(EGW_SERVER_ROOT.$path)) return $path;
}
return false;
}
/**
* Run method on all children
*
* Reimplemented because templates can have an own namespace specified in attrs[content], NOT id!
*
* @param string $method_name
* @param array $params=array('') parameter(s) first parameter has to be cname, second $expand!
* @param boolean $respect_disabled=false false (default): ignore disabled, true: method is NOT run for disabled widgets AND their children
*/
public function run($method_name, $params=array(''), $respect_disabled=false)
{
$cname =& $params[0];
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$old_cname = $params[0];
if ($this->attrs['content']) $cname = self::form_name($cname, $this->attrs['content'], $params[1]);
parent::run($method_name, $params, $respect_disabled);
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$params[0] = $old_cname;
}
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}
if ($GLOBALS['egw_info']['flags']['debug'] == 'etemplate_widget_template')
{
$name = isset($_GET['name']) ? $_GET['name'] : 'timesheet.edit';
if (!($template = etemplate_widget_template::instance($name)))
{
header('HTTP-Status: 404 Not Found');
echo "<html><head><title>Not Found</title><body><h1>Not Found</h1><p>The requested eTemplate '$name' was not found!</p></body></html>\n";
exit;
}
header('Content-Type: text/xml');
echo $template->toXml();
}