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Diffstat (limited to 'include/template.class.php')
| -rw-r--r-- | include/template.class.php | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/include/template.class.php b/include/template.class.php new file mode 100644 index 000000000..1aaacae41 --- /dev/null +++ b/include/template.class.php @@ -0,0 +1,362 @@ +<?php +// +-----------------------------------------------------------------------+ +// | PhpWebGallery - a PHP based picture gallery | +// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net | +// | Copyright (C) 2003-2008 PhpWebGallery Team - http://phpwebgallery.net | +// +-----------------------------------------------------------------------+ +// | file : $Id$ +// | last update : $Date$ +// | last modifier : $Author$ +// | revision : $Revision$ +// +-----------------------------------------------------------------------+ +// | This program is free software; you can redistribute it and/or modify | +// | it under the terms of the GNU General Public License 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. | +// +-----------------------------------------------------------------------+ + + +require 'smarty/libs/Smarty.class.php'; + +// migrate lang:XXX +// sed "s/{lang:\([^}]\+\)}/{\'\1\'|@translate}/g" my_template.tpl +// migrate change root level vars {XXX} +// sed "s/{pwg_root}/{ROOT_URL}/g" my_template.tpl +// migrate change root level vars {XXX} +// sed "s/{\([a-zA-Z_]\+\)}/{$\1}/g" my_template.tpl +// migrate all +// cat my_template.tpl | sed "s/{lang:\([^}]\+\)}/{\'\1\'|@translate}/g" | sed "s/{pwg_root}/{ROOT_URL}/g" | sed "s/{\([a-zA-Z_]\+\)}/{$\1}/g" + + +class Template { + + var $smarty; + + var $_old; + + var $output = ''; + + // Hash of filenames for each template handle. + var $files = array(); + + function Template($root = ".", $theme= "") + { + global $conf; + + $this->smarty = new Smarty; + $this->smarty->debugging = $conf['debug_template']; + //$this->smarty->force_compile = true; + + if ( isset($conf['compiled_template_dir'] ) ) + { + $compile_dir = $conf['compiled_template_dir']; + } + else + { + $compile_dir = $conf['local_data_dir']; + if ( !is_dir($compile_dir) ) + { + mkdir( $compile_dir, 0777); + file_put_contents($compile_dir.'/index.htm', ''); + } + $compile_dir .= '/templates_c'; + } + if ( !is_dir($compile_dir) ) + { + mkdir( $compile_dir, 0777 ); + file_put_contents($compile_dir.'/index.htm', ''); + } + + $this->smarty->compile_dir = $compile_dir; + + $this->smarty->template_dir = $root; + $this->smarty->register_function( 'lang', array('Template', 'fn_l10n') ); + + $this->smarty->assign_by_ref( 'pwg', new PwgTemplateAdapter() ); + $this->smarty->register_modifier( 'translate', array('Template', 'mod_translate') ); + + include($root.'/theme/'.$theme.'/themeconf.inc.php'); + $this->smarty->assign('themeconf', $themeconf); + + $this->_old = & new TemplateOld($root, $theme); + } + + /** DEPRECATED */ + function get_themeconf($val) + { + $tc = $this->smarty->get_template_vars('themeconf'); + return isset($tc[$val]) ? $tc[$val] : ''; + } + + /** + * Sets the template filename for handle. + */ + function set_filename($handle, $filename) + { + return $this->set_filenames( array($handle=>$filename) ); + } + + /** + * Sets the template filenames for handles. $filename_array should be a + * hash of handle => filename pairs. + */ + function set_filenames($filename_array) + { + if (!is_array($filename_array)) + { + return false; + } + + reset($filename_array); + while(list($handle, $filename) = each($filename_array)) + { + if (is_null($filename)) + unset( $this->files[$handle] ); + else + $this->files[$handle] = $filename; + } + return true; + } + + /** + * DEPRECATED - backward compatibility only; use assign + */ + function assign_vars($vararray) + { + is_array( $vararray ) || die('assign_vars parameter not array'); + $this->assign( $vararray ); + } + + /** + * DEPRECATED - backward compatibility only; use assign + */ + function assign_var($varname, $varval) + { + !is_array( $varname ) || die('assign_var parameter name is array'); + $this->assign( $varname, $varval ); + } + + /** + * Inserts the uncompiled code for $handle as the value of $varname in the + * root-level. This can be used to effectively include a template in the + * middle of another template. + * This is equivalent to assign($varname, $this->parse($handle, true)) + */ + function assign_var_from_handle($varname, $handle) + { + $this->assign($varname, $this->parse($handle, true)); + return true; + } + + /** + * DEPRECATED - backward compatibility only + */ + function assign_block_vars($blockname, $vararray) + { + if (strstr($blockname, '.')!==false) + { + $blocks = explode('.', $blockname); + $blockcount = sizeof($blocks) - 1; + $root_var = & $this->smarty->get_template_vars(); + + $str = '$root_var'; + for ($i = 0; $i < $blockcount; $i++) + { + $str .= '[\'' . $blocks[$i] . '\']'; + eval('$lastiteration = isset('.$str.') ? sizeof('.$str.')-1:0;'); + $str .= '[' . $lastiteration . ']'; + } + $str .= '[\'' . $blocks[$blockcount] . '\'][] = $vararray;'; + eval($str); + } + else + $this->smarty->append( $blockname, $vararray ); + + $this->_old->assign_block_vars($blockname, $vararray); + } + + /** + * DEPRECATED - backward compatibility only + */ + function merge_block_vars($blockname, $vararray) + { + if (strstr($blockname, '.')!==false) + { + $blocks = explode('.', $blockname); + $blockcount = count($blocks); + $root_var = & $this->smarty->get_template_vars(); + + $str = '$root_var'; + for ($i = 0; $i < $blockcount; $i++) + { + $str .= '[\'' . $blocks[$i] . '\']'; + eval('$lastiteration = isset('.$str.') ? sizeof('.$str.')-1:-1;'); + if ($lastiteration==-1) + { + return false; + } + $str .= '[' . $lastiteration . ']'; + } + $str = $str.'=array_merge('.$str.', $vararray);'; + eval($str); + } + else + $this->smarty->append( $blockname, $vararray, true ); + + $this->_old->merge_block_vars($blockname, $vararray); + return true; + } + + /** + * Load the file for the handle, eventually compile the file and run the compiled + * code. This will add the output to the results or return the result if $return + * is true. + */ + function parse($handle, $return=false) + { + return $this->_pparse_or_parse($handle, $return, false); + } + + /** + * Load the file for the handle, eventually compile the file and run the compiled + * code. This will print out the results of executing the template. + */ + function pparse($handle) + { + $this->_pparse_or_parse($handle, false, true); + } + + + /*private*/ function _pparse_or_parse($handle, $return, $immediate_display) + { + if ( !isset($this->files[$handle]) ) + { + die("Template->parse(): Couldn't load template file for handle $handle"); + } + + $is_new = true; + $params = array('resource_name' => $this->files[$handle], 'quiet'=>true, 'get_source'=>true); + if ( $this->smarty->_fetch_resource_info(&$params) ) + { + if (!preg_match('~{(/(if|section|foreach))|\$[a-zA-Z_]+}~', @$params['source_content']) ) + $is_new = false; + } + + if ($is_new) + { + $this->smarty->assign( 'pwg_root', get_root_url() ); //deprecated + $this->smarty->assign( 'ROOT_URL', get_root_url() ); + if ($immediate_display) + $this->p(); + $v = $this->smarty->fetch($this->files[$handle], null, null, $immediate_display ? true : false); + if ($immediate_display) + return; + } + else + { + $this->_old->set_filename( $handle, $this->files[$handle] ); + $v = $this->_old->parse($handle, true); + } + if ($return==false) + { + $this->output .= $v; + } + return $v; + } + + /** flushes current output */ + function p() + { + echo $this->output; + $this->output=''; + } + + /** + * Root-level variable concatenation. Appends a string to an existing + * variable assignment with the same name. + */ + function concat_var($tpl_var, $value) + { + $old_val = & $this->smarty->get_template_vars($tpl_var); + if ( isset($old_val) ) + { + $old_val .= $value; + $this->_old->concat_var( $tpl_var, $value ); + } + else + { + $this->assign($tpl_var, $value); + } + } + + /** see smarty assign http://www.smarty.net/manual/en/api.assign.php */ + function assign($tpl_var, $value = null) + { + $this->smarty->assign( $tpl_var, $value ); + + if ( is_array($tpl_var) ) + $this->_old->assign_vars( $tpl_var ); + else + $this->_old->assign_var( $tpl_var, $value ); + } + + /** see smarty append http://www.smarty.net/manual/en/api.append.php */ + function append($tpl_var, $value=null, $merge=false) + { + $this->smarty->append( $tpl_var, $value, $merge ); + } + + /** see smarty append http://www.smarty.net/manual/en/api.clear_assign.php */ + function clear_assign($tpl_var) + { + $this->smarty->clear_assign( $tpl_var ); + } + + /*static*/ function fn_l10n($params, &$smarty) + { + return l10n($params['t']); + } + + /** + * translate variable modifiers - translates a text to the currently loaded + * language + */ + /*static*/ function mod_translate($text) + { + return l10n($text); + } +} + +/** + * This class contains basic functions that can be called directly from the + * templates in the form $pwg->l10n('edit') + */ +class PwgTemplateAdapter +{ + function l10n($text) + { + return l10n($text); + } + + function l10n_dec($s, $p, $v) + { + return l10n_dec($s, $p, $v); + } + + function sprintf() + { + $args = func_get_args(); + return call_user_func_array('sprintf', $args ); + } +} + +?> |