<?php
/*******************************************************************************
* Copyright (C) 2007 Easter-eggs
* http://ldapsaisie.labs.libre-entreprise.org
*
* Author: See AUTHORS file in top-level directory.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
******************************************************************************/
/**
* Manage template
*
* This class is use to manage template in LdapSaisie.
*
* @author Benjamin Renard <brenard@easter-eggs.com>
*/
class LStemplate {
/**
* LStemplate configuration
*
* array(
* 'smarty_path' => '/path/to/Smarty.php',
* 'template_dir' => '/path/to/template/directory',
* 'image_dir' => '/path/to/image/directory',
* 'css_dir' => '/path/to/css/directory',
* 'compile_dir' => '/path/to/compile/directory',
* 'debug' => True,
* 'debug_smarty' => True
* )
*
**/
private static $config = array (
'smarty_path' => 'smarty/libs/Smarty.class.php',
'template_dir' => 'templates',
'image_dir' => 'images',
'css_dir' => 'css',
'compile_dir' => 'tmp',
'debug' => False,
'debug_smarty' => False
);
// Smarty object
public static $_smarty = NULL;
// Smarty version
private static $_smarty_version = NULL;
// Array of directories
private static $directories = array(
'local',
LS_THEME
);
/**
* Start LStemplate
*
* Set configuration from parameter $config and initialize
* Smarty object.
*
* @param[in] $config array LStemplate configuration
*
* @retval boolean True on success, False instead
**/
public static function start($config) {
foreach ($config as $key => $value) {
self :: $config[$key] = $value;
}
if (LSsession :: includeFile(self :: $config['smarty_path'])) {
self :: $_smarty = new Smarty();
self :: $_smarty -> template_dir = self :: $config['template_dir'];
if ( ! is_writable(self :: $config['compile_dir']) ) {
die(_('LStemplate : compile directory is not writable (dir : '.self :: $config['compile_dir'].')'));
}
self :: $_smarty -> compile_dir = self :: $config['compile_dir'];
if (self :: $config['debug']) {
self :: $_smarty -> caching = 0;
// cache files are always regenerated
self :: $_smarty -> force_compile = TRUE;
// recompile template if it is changed
self :: $_smarty -> compile_check = TRUE;
if (self :: $config['debug_smarty']) {
// debug smarty
self :: $_smarty -> debugging = true;
}
}
if (method_exists(self :: $_smarty,'register_function')) {
self :: $_smarty_version=2;
if (!LSsession :: loadLSclass('LStemplate_smarty2_support')) {
die(_("LStemplate : Can't load Smarty 2 support file"));
}
}
elseif (method_exists(self :: $_smarty,'registerPlugin')) {
self :: $_smarty_version=3;
if (!LSsession :: loadLSclass('LStemplate_smarty3_support')) {
die(_("LStemplate : Can't load Smarty 3 support file"));
}
}
else {
die(_("LStemplate : Smarty version not recognized."));
}
self :: registerFunction("getFData", "LStemplate_smarty_getFData");
self :: registerFunction("tr", "LStemplate_smarty_tr");
self :: registerFunction("img", "LStemplate_smarty_img");
self :: registerFunction("css", "LStemplate_smarty_css");
self :: registerFunction("uniqid", "LStemplate_smarty_uniqid");
return True;
}
else {
die(_("LStemplate : Can't load Smarty."));
return False;
}
}
/**
* Return the path of the file to use
*
* @param[in] string $name The file name (eg: mail.png)
* @param[in] string $root_dir The root directory (eg: images)
* @param[in] string $default_dir The default directory (eg: default)
*
* @retval string The path of the file
**/
public static function getFilePath($file,$root_dir,$default_dir='default') {
foreach(self :: $directories as $dir) {
if (file_exists($root_dir.'/'.$dir.'/'.$file)) {
return $root_dir.'/'.$dir.'/'.$file;
}
}
if (!$default_dir) {
return;
}
return $root_dir.'/'.$default_dir.'/'.$file;
}
/**
* Return the path of the image file to use
*
* @param[in] string $image The image name (eg: mail)
*
* @retval string The path of the image file
**/
public static function getImagePath($image) {
$exts=array('png','gif','jpg');
foreach($exts as $ext) {
$path=self :: getFilePath("$image.$ext",self :: $config['image_dir'],False);
if ($path) return $path;
}
return self :: $config['image_dir']."/default/$image.png";
}
/**
* Return the path of the CSS file to use
*
* @param[in] string $css The CSS name (eg: main.css)
*
* @retval string The path of the CSS file
**/
public static function getCSSPath($css) {
return self :: getFilePath($css,self :: $config['css_dir']);
}
/**
* Return the path of the Smarty template file to use
*
* @param[in] string $template The template name (eg: top.tpl)
*
* @retval string The path of the Smarty template file
**/
public static function getTemplatePath($template) {
return self :: getFilePath($template,self :: $config['template_dir']);
}
/**
* Return the content of a Smarty template file.
*
* @param[in] string $template The template name (eg: top.tpl)
*
* @retval string The content of the Smarty template file
**/
public static function getTemplateSource($template) {
$tpl_path=self :: getTemplatePath($template);
if (!is_readable($tpl_path)) {
if (self :: $_smarty_version > 2) {
// No error return with Smarty3 and highter because it's call
// template name in lower first systematically
return '';
}
$tpl_path=self :: getTemplatePath('empty.tpl');
LSerror::addErrorCode('LStemplate_01',$template);
}
return implode('',file($tpl_path));
}
/**
* Return the timestamp of the last change of a Smarty
* template file.
*
* @param[in] string $template The template name (eg: top.tpl)
*
* @retval string The timestamp of the last change of the Smarty template file
**/
public static function getTemplateTimestamp($template) {
$tpl_path=self :: getTemplatePath($template);
if (is_file($tpl_path)) {
$time=filemtime($tpl_path);
if ($time)
return $time;
}
return NULL;
}
/**
* Assign template variable
*
* @param[in] string $name The variable name
* @param[in] mixed $value The variable value
*
* @retval void
**/
public static function assign($name,$value) {
return self :: $_smarty -> assign($name,$value);
}
/**
* Display a template
*
* @param[in] string $template The template name (eg: empty.tpl)
*
* @retval void
**/
public static function display($template) {
return self :: $_smarty -> display("ls:$template");
}
/**
* Fetch a template
*
* @param[in] string $template The template name (eg: empty.tpl)
*
* @retval string The template compiled
**/
public static function fetch($template) {
return self :: $_smarty -> fetch("ls:$template");
}
/**
* Register a template function
*
* @param[in] string $name The function name in template
* @param[in] string $function_name The function name in PHP
*
* @retval void
*/
public static function registerFunction($name,$function_name) {
LStemplate_register_function($name,$function_name);
}
}
function LStemplate_smarty_getFData($params) {
extract($params);
echo getFData($format,$data,$meth=NULL);
}
function LStemplate_smarty_tr($params) {
extract($params);
echo __($msg);
}
function LStemplate_smarty_img($params) {
extract($params);
echo "image.php?i=$name";
}
function LStemplate_smarty_css($params) {
extract($params);
echo LStemplate :: getCSSPath($name);
}
function LStemplate_smarty_uniqid($params, &$smarty) {
if (!isset($params['var']))
$params['var'] = 'uniqid';
$smarty -> assign($params['var'], uniqid());
}
// Errors
LSerror :: defineError('LStemplate_01',
_("LStemplate : Template %{file} not found.")
);