egroupware/phpgwapi/inc/class.tplsavant2.inc.php

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<?php
/**************************************************************************\
* eGroupWare API - Wrapper for the savant2 template engine *
* Written by Pim Snel <pim@lingewoud.nl> *
* *
* Wrapper for the savant2 template engine www.phpsavant.com *
* Copyright (C) 2005 Lingewoud BV and Pim Snel *
* -------------------------------------------------------------------------*
* This library is part of the eGroupWare API *
* http://www.egroupware.org *
* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
if(is_file(EGW_INCLUDE_ROOT.'/phpgwapi/inc/savant2/Savant2.php'))
{
include_once(EGW_INCLUDE_ROOT.'/phpgwapi/inc/savant2/Savant2.php');
}
/*!
@class tplsavant2
@abstract wrapper class for the Savant2 template engine
*/
class tplsavant2 extends Savant2
{
/*!
@var $version
@abstract the version this wrapper is testet against
*/
var $version = '2.3.3';
/*!
@var $do_version_check
@abstract set this to true to halt when versions of this wrapper and savant2 itself differ
*/
var $do_version_check = false;
/*!
@function tplsavant2
@abstract constructor function which calls the constructor of Savant2 and sets necesary things for eGroupware
*/
function tplsavant2()
{
// run constructor of the Savant2 class
$this->Savant2();
if($this->do_version_check)
{
$this->version_check();
}
$this->set_tpl_path();
}
/**
@function version_check
@abstract check version of this wrapper with installed savant2 version and halts when version differs
@return void
*/
function version_check()
{
$Sav2Version = @file_get_contents(EGW_INCLUDE_ROOT.'/phpgwapi/inc/savant2/VERSION',"rb");
if(trim($Sav2Version) != trim($this->version))
{
$this->halt(lang('Savant2 version differs from Savant2 wrapper. <br/>This version: %1 <br/>Savants version: %2',$this->version, $Sav2Version));
}
}
/*!
@function set_tpl_path
@abstract sets the preferred and fallback template search paths
@return void
*/
function set_tpl_path($man_dir=false)
{
$preferred_dir=$this->get_tpl_dir();
$fallback_dir=$this->get_tpl_dir(true);
if(!$preferred_dir && $man_dir && $fallback_dir)
{
$this->halt(lang('No Savant2 template directories were found in:'.EGW_APP_ROOT));
}
else
{
if($fallback_dir)
{
$this->addPath('template',$fallback_dir);
}
// add preferred tpl dir last because savant set the last added first in the search array
if($preferred_dir)
{
$this->addPath('template',$preferred_dir);
}
if($man_dir)
{
$this->addPath('template',$man_dir);
}
}
}
/*!
@function get_tpl_dir
@abstract get template dir of an application
@param $fallback if true the default fallback template dir is returned
@param $appname appication name optional can be derived from $GLOBALS['egw_info']['flags']['currentapp'];
*/
function get_tpl_dir($fallback=false,$appname = '')
{
if (! $appname)
{
$appname = $GLOBALS['egw_info']['flags']['currentapp'];
}
if ($appname == 'home' || $appname == 'logout' || $appname == 'login')
{
$appname = 'phpgwapi';
}
if (!isset($GLOBALS['egw_info']['server']['template_set']) && isset($GLOBALS['egw_info']['user']['preferences']['common']['template_set']))
{
$GLOBALS['egw_info']['server']['template_set'] = $GLOBALS['egw_info']['user']['preferences']['common']['template_set'];
}
// Setting this for display of template choices in user preferences
if ($GLOBALS['egw_info']['server']['template_set'] == 'user_choice')
{
$GLOBALS['egw_info']['server']['usrtplchoice'] = 'user_choice';
}
if (($GLOBALS['egw_info']['server']['template_set'] == 'user_choice' ||
!isset($GLOBALS['egw_info']['server']['template_set'])) &&
isset($GLOBALS['egw_info']['user']['preferences']['common']['template_set']))
{
$GLOBALS['egw_info']['server']['template_set'] = $GLOBALS['egw_info']['user']['preferences']['common']['template_set'];
}
elseif ($GLOBALS['egw_info']['server']['template_set'] == 'user_choice' ||
!isset($GLOBALS['egw_info']['server']['template_set']))
{
$GLOBALS['egw_info']['server']['template_set'] = 'default';
}
$tpldir = EGW_SERVER_ROOT . '/' . $appname . '/templatesSavant2/' . $GLOBALS['egw_info']['server']['template_set'];
$tpldir_default = EGW_SERVER_ROOT . '/' . $appname . '/templatesSavant2/default';
if (!$fallback && @is_dir($tpldir))
{
return $tpldir;
}
elseif (@is_dir($tpldir_default))
{
return $tpldir_default;
}
else
{
return False;
}
}
/***************************************************************************/
/* public: halt(string $msg)
* msg: error message to show.
*/
function halt($msg)
{
$this->last_error = $msg;
if ($this->halt_on_error != 'no')
{
$this->haltmsg($msg);
}
if ($this->halt_on_error == 'yes')
{
echo('<strong>Halted.</strong>');
}
$GLOBALS['phpgw']->common->phpgw_exit(True);
}
/* public, override: haltmsg($msg)
* msg: error message to show.
*/
function haltmsg($msg)
{
printf("<strong>Savant Template Error:</strong> %s<br/>\n", $msg);
echo "<strong>Backtrace</strong>: ".function_backtrace(2)."<br/>\n";
}
function fetch_string($string)
{
$tmpfname = tempnam ("/tmp", "sav");
$fp = fopen($tmpfname, "w");
fwrite($fp, $string);
fclose($fp);
$this->addPath('template','/tmp');
$file_arr= explode('/',$tmpfname);
return $this->fetch($file_arr[2]);
unlink($tmpfname);
}
/**
* set_var the same as assign()
*
* @param mixed $tplvar
* @param string $val
* @access public
* @return void
*/
function set_var($tplvar,$val='')
{
$this->assign($tplvar,$val);
}
}