mirror of
https://gitlab.easter-eggs.com/ee/ldapsaisie.git
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420 lines
12 KiB
PHP
420 lines
12 KiB
PHP
<?php
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/*******************************************************************************
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* Copyright (C) 2007 Easter-eggs
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* http://ldapsaisie.labs.libre-entreprise.org
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*
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* Author: See AUTHORS file in top-level directory.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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******************************************************************************/
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/**
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* Manage template
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*
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* This class is use to manage template in LdapSaisie.
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*
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* @author Benjamin Renard <brenard@easter-eggs.com>
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*/
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class LStemplate {
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/**
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* LStemplate configuration
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*
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* array(
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* 'smarty_path' => '/path/to/Smarty.php',
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* 'template_dir' => '/path/to/template/directory',
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* 'image_dir' => '/path/to/image/directory',
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* 'css_dir' => '/path/to/css/directory',
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* 'compile_dir' => '/path/to/compile/directory',
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* 'debug' => True,
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* 'debug_smarty' => True
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* )
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*
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**/
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private static $config = array (
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'smarty_path' => 'smarty/libs/Smarty.class.php',
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'template_dir' => 'templates',
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'image_dir' => 'images',
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'css_dir' => 'css',
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'compile_dir' => 'tmp',
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'debug' => False,
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'debug_smarty' => False
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);
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// Smarty object
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public static $_smarty = NULL;
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// Smarty version
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private static $_smarty_version = NULL;
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// Array of directories
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private static $directories = array(
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'local',
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LS_THEME
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);
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// Registered events
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private static $_events = array();
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/**
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* Start LStemplate
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*
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* Set configuration from parameter $config and initialize
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* Smarty object.
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*
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* @param[in] $config array LStemplate configuration
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*
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* @retval boolean True on success, False instead
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**/
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public static function start($config) {
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// Trigger starting event
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self :: fireEvent('starting');
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foreach ($config as $key => $value) {
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self :: $config[$key] = $value;
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}
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if (LSsession :: includeFile(self :: $config['smarty_path'])) {
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self :: $_smarty = new Smarty();
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self :: $_smarty -> template_dir = self :: $config['template_dir'];
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if ( ! is_writable(self :: $config['compile_dir']) ) {
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die(_('LStemplate : compile directory is not writable (dir : '.self :: $config['compile_dir'].')'));
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}
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self :: $_smarty -> compile_dir = self :: $config['compile_dir'];
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if (self :: $config['debug']) {
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self :: $_smarty -> caching = 0;
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// cache files are always regenerated
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self :: $_smarty -> force_compile = TRUE;
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// recompile template if it is changed
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self :: $_smarty -> compile_check = TRUE;
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if (self :: $config['debug_smarty']) {
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// debug smarty
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self :: $_smarty -> debugging = true;
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}
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}
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if (method_exists(self :: $_smarty,'register_function')) {
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self :: $_smarty_version=2;
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if (!LSsession :: loadLSclass('LStemplate_smarty2_support')) {
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die(_("LStemplate : Can't load Smarty 2 support file"));
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}
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}
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elseif (method_exists(self :: $_smarty,'registerPlugin')) {
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self :: $_smarty_version=3;
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if (!LSsession :: loadLSclass('LStemplate_smarty3_support')) {
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die(_("LStemplate : Can't load Smarty 3 support file"));
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}
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}
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else {
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die(_("LStemplate : Smarty version not recognized."));
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}
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self :: registerFunction("getFData", "LStemplate_smarty_getFData");
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self :: registerFunction("tr", "LStemplate_smarty_tr");
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self :: registerFunction("img", "LStemplate_smarty_img");
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self :: registerFunction("css", "LStemplate_smarty_css");
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self :: registerFunction("uniqid", "LStemplate_smarty_uniqid");
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// Trigger started event
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self :: fireEvent('started');
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return True;
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}
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else {
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die(_("LStemplate : Can't load Smarty."));
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return False;
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}
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}
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/**
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* Return the default directory path of files
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*
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* Return LS_THEME contanst value or 'default' if not defined
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*
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* @retval string The default directory path of files
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**/
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public static function getDefaultDir() {
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if (defined('LS_THEME'))
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return LS_THEME;
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else
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return 'default';
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}
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/**
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* Return the path of the file to use
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*
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* @param[in] string $name The file name (eg: mail.png)
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* @param[in] string $root_dir The root directory (eg: images)
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* @param[in] string $default_dir The default directory (eg: default)
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* @param[in] bool $with_nocache If true, include nocache URL param (default: false)
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*
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* @retval string The path of the file
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**/
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public static function getFilePath($file, $root_dir, $default_dir=null, $with_nocache=false) {
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if ($default_dir === null)
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$default_dir = self :: getDefaultDir();
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$path = false;
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foreach(self :: $directories as $dir) {
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$path = $root_dir.'/'.$dir.'/'.$file;
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if (file_exists($path)) {
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break;
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}
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$path = false;
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}
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if (!$path) {
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if (!$default_dir)
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return;
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$path = $root_dir.'/'.$default_dir.'/'.$file;
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}
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if ($with_nocache)
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$path .= "?nocache=".self::getNoCacheFileValue($path);
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return $path;
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}
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/**
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* Return the path of the image file to use
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*
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* @param[in] string $image The image name (eg: mail)
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* @param[in] bool $with_nocache If true, include nocache URL param (default: false)
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*
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* @retval string The path of the image file
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**/
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public static function getImagePath($image, $with_nocache=false) {
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$exts=array('png','gif','jpg');
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foreach($exts as $ext) {
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$path = self :: getFilePath("$image.$ext", self :: $config['image_dir'], False, $with_nocache);
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if ($path) return $path;
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}
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return self :: $config['image_dir']."/".self :: getDefaultDir()."/$image.png";
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}
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/**
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* Return the path of the CSS file to use
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*
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* @param[in] string $css The CSS name (eg: main.css)
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* @param[in] bool $with_nocache If true, include nocache URL param (default: false)
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*
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* @retval string The path of the CSS file
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**/
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public static function getCSSPath($css, $with_nocache=false) {
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return self :: getFilePath($css, self :: $config['css_dir'], Null, $with_nocache);
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}
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/**
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* Return the path of the Smarty template file to use
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*
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* @param[in] string $template The template name (eg: top.tpl)
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* @param[in] bool $with_nocache If true, include nocache URL param (default: false)
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*
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* @retval string The path of the Smarty template file
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**/
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public static function getTemplatePath($template, $with_nocache=false) {
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return self :: getFilePath($template, self :: $config['template_dir'], null, $with_nocache);
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}
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/**
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* Return the nocache value of the specify file
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*
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* @param[in] string $file The file path
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*
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* @retval string The specified file's nocache value
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**/
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public static function getNoCacheFileValue($file) {
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$stat = @stat($file);
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if (is_array($stat) && isset($stat['mtime']))
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return md5($stat['mtime']);
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return md5(time());
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}
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/**
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* Return the content of a Smarty template file.
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*
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* @param[in] string $template The template name (eg: top.tpl)
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*
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* @retval string The content of the Smarty template file
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**/
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public static function getTemplateSource($template) {
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$tpl_path=self :: getTemplatePath($template);
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if (!is_readable($tpl_path)) {
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if (self :: $_smarty_version > 2) {
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// No error return with Smarty3 and highter because it's call
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// template name in lower first systematically
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return '';
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}
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$tpl_path=self :: getTemplatePath('empty.tpl');
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LSerror::addErrorCode('LStemplate_01',$template);
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}
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return implode('',file($tpl_path));
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}
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/**
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* Return the timestamp of the last change of a Smarty
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* template file.
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*
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* @param[in] string $template The template name (eg: top.tpl)
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*
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* @retval string The timestamp of the last change of the Smarty template file
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**/
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public static function getTemplateTimestamp($template) {
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$tpl_path=self :: getTemplatePath($template);
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if (is_file($tpl_path)) {
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$time=filemtime($tpl_path);
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if ($time)
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return $time;
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}
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return NULL;
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}
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/**
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* Assign template variable
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*
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* @param[in] string $name The variable name
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* @param[in] mixed $value The variable value
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*
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* @retval void
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**/
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public static function assign($name,$value) {
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return self :: $_smarty -> assign($name,$value);
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}
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/**
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* Display a template
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*
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* @param[in] string $template The template name (eg: empty.tpl)
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*
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* @retval void
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**/
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public static function display($template) {
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// Trigger displaying event
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self :: fireEvent('displaying');
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self :: $_smarty -> display("ls:$template");
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// Trigger displayed event
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self :: fireEvent('displayed');
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}
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/**
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* Fetch a template
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*
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* @param[in] string $template The template name (eg: empty.tpl)
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*
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* @retval string The template compiled
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**/
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public static function fetch($template) {
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return self :: $_smarty -> fetch("ls:$template");
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}
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/**
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* Register a template function
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*
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* @param[in] string $name The function name in template
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* @param[in] string $function_name The function name in PHP
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*
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* @retval void
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*/
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public static function registerFunction($name,$function_name) {
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LStemplate_register_function($name,$function_name);
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}
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/**
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* Registered an action on a specific event
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*
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* @param[in] $event string The event name
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* @param[in] $callable callable The callable to run on event
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* @param[in] $param mixed Paremeters that will be pass to the callable
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*
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* @retval void
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*/
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function addEvent($event,$callable,$param=NULL) {
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self :: $_events[$event][] = array(
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'callable' => $callable,
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'param' => $param,
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);
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}
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/**
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* Run triggered actions on specific event
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*
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* @param[in] $event string Event name
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*
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* @retval boolean True if all triggered actions succefully runned, false otherwise
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*/
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function fireEvent($event) {
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$return = true;
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// Binding via addEvent
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if (isset(self :: $_events[$event]) && is_array(self :: $_events[$event])) {
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foreach (self :: $_events[$event] as $e) {
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if (is_callable($e['callable'])) {
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try {
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call_user_func_array($e['callable'],array(&$e['param']));
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}
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catch(Exception $er) {
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LSerror :: addErrorCode('LStemplate_03',array('callable' => getCallableName($e['callable']),'event' => $event));
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$return = false;
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}
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}
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else {
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LSerror :: addErrorCode('LStemplate_02',array('callable' => getCallableName($e['callable']),'event' => $event));
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$return = false;
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}
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}
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}
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return $return;
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}
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}
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function LStemplate_smarty_getFData($params) {
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extract($params);
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echo getFData($format,$data,$meth=NULL);
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}
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function LStemplate_smarty_tr($params) {
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extract($params);
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echo __($msg);
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}
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function LStemplate_smarty_img($params) {
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extract($params);
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echo "image.php?i=$name";
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}
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function LStemplate_smarty_css($params) {
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extract($params);
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echo LStemplate :: getCSSPath($name, true);
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}
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function LStemplate_smarty_uniqid($params, &$smarty) {
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if (!isset($params['var']))
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$params['var'] = 'uniqid';
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$smarty -> assign($params['var'], uniqid());
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}
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// Errors
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LSerror :: defineError('LStemplate_01',
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_("LStemplate : Template %{file} not found.")
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);
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LSerror :: defineError('LStemplate_02',
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_("LStemplate : Fail to execute trigger %{callable} on event %{event} : is not callable.")
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);
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LSerror :: defineError('LStemplate_03',
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_("LStemplate : Error during the execution of the trigger %{callable} on event %{event}.")
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);
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