| 1 | <?php |
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| 2 | // +-----------------------------------------------------------------------+ |
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| 3 | // | Piwigo - a PHP based photo gallery | |
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| 4 | // +-----------------------------------------------------------------------+ |
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| 5 | // | Copyright(C) 2008-2012 Piwigo Team http://piwigo.org | |
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| 6 | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | |
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| 7 | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | |
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| 8 | // +-----------------------------------------------------------------------+ |
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| 9 | // | This program is free software; you can redistribute it and/or modify | |
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| 10 | // | it under the terms of the GNU General Public License as published by | |
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| 11 | // | the Free Software Foundation | |
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| 12 | // | | |
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| 13 | // | This program is distributed in the hope that it will be useful, but | |
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| 14 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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| 15 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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| 16 | // | General Public License for more details. | |
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| 17 | // | | |
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| 18 | // | You should have received a copy of the GNU General Public License | |
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| 19 | // | along with this program; if not, write to the Free Software | |
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| 20 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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| 21 | // | USA. | |
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| 22 | // +-----------------------------------------------------------------------+ |
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| 23 | |
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| 24 | |
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| 25 | class Template { |
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| 26 | |
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| 27 | var $smarty; |
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| 28 | |
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| 29 | var $output = ''; |
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| 30 | |
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| 31 | // Hash of filenames for each template handle. |
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| 32 | var $files = array(); |
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| 33 | |
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| 34 | // Template extents filenames for each template handle. |
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| 35 | var $extents = array(); |
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| 36 | |
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| 37 | // Templates prefilter from external sources (plugins) |
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| 38 | var $external_filters = array(); |
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| 39 | |
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| 40 | // used by html_head smarty block to add content before </head> |
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| 41 | var $html_head_elements = array(); |
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| 42 | private $html_style = ''; |
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| 43 | |
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| 44 | const COMBINED_SCRIPTS_TAG = '<!-- COMBINED_SCRIPTS -->'; |
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| 45 | var $scriptLoader; |
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| 46 | |
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| 47 | const COMBINED_CSS_TAG = '<!-- COMBINED_CSS -->'; |
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| 48 | var $css_by_priority = array(); |
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| 49 | |
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| 50 | function Template($root = ".", $theme= "", $path = "template") |
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| 51 | { |
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| 52 | global $conf, $lang_info; |
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| 53 | |
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| 54 | $this->scriptLoader = new ScriptLoader; |
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| 55 | $this->smarty = new Smarty; |
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| 56 | $this->smarty->debugging = $conf['debug_template']; |
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| 57 | $this->smarty->compile_check = $conf['template_compile_check']; |
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| 58 | $this->smarty->force_compile = $conf['template_force_compile']; |
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| 59 | |
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| 60 | if (!isset($conf['data_dir_checked'])) |
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| 61 | { |
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| 62 | $dir = PHPWG_ROOT_PATH.$conf['data_location']; |
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| 63 | mkgetdir($dir, MKGETDIR_DEFAULT&~MKGETDIR_DIE_ON_ERROR); |
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| 64 | if (!is_writable($dir)) |
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| 65 | { |
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| 66 | load_language('admin.lang'); |
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| 67 | fatal_error( |
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| 68 | sprintf( |
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| 69 | l10n('Give write access (chmod 777) to "%s" directory at the root of your Piwigo installation'), |
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| 70 | $conf['data_location'] |
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| 71 | ), |
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| 72 | l10n('an error happened'), |
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| 73 | false // show trace |
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| 74 | ); |
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| 75 | } |
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| 76 | if (function_exists('pwg_query')) { |
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| 77 | conf_update_param('data_dir_checked', 1); |
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| 78 | } |
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| 79 | } |
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| 80 | |
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| 81 | if (!isset($conf['combined_dir_checked'])) |
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| 82 | { |
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| 83 | $dir = PHPWG_ROOT_PATH.PWG_COMBINED_DIR; |
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| 84 | mkgetdir($dir, MKGETDIR_DEFAULT&~MKGETDIR_DIE_ON_ERROR); |
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| 85 | if (!is_writable($dir)) |
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| 86 | { |
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| 87 | load_language('admin.lang'); |
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| 88 | fatal_error( |
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| 89 | sprintf( |
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| 90 | l10n('Give write access (chmod 777) to "%s" directory at the root of your Piwigo installation'), |
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| 91 | PWG_COMBINED_DIR |
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| 92 | ), |
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| 93 | l10n('an error happened'), |
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| 94 | false // show trace |
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| 95 | ); |
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| 96 | } |
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| 97 | if (function_exists('pwg_query')) { |
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| 98 | conf_update_param('combined_dir_checked', 1); |
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| 99 | } |
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| 100 | } |
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| 101 | |
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| 102 | |
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| 103 | $compile_dir = PHPWG_ROOT_PATH.$conf['data_location'].'templates_c'; |
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| 104 | mkgetdir( $compile_dir ); |
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| 105 | |
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| 106 | $this->smarty->compile_dir = $compile_dir; |
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| 107 | |
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| 108 | $this->smarty->assign_by_ref( 'pwg', new PwgTemplateAdapter() ); |
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| 109 | $this->smarty->register_modifier( 'translate', array('Template', 'mod_translate') ); |
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| 110 | $this->smarty->register_modifier( 'explode', array('Template', 'mod_explode') ); |
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| 111 | $this->smarty->register_modifier( 'get_extent', array(&$this, 'get_extent') ); |
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| 112 | $this->smarty->register_block('html_head', array(&$this, 'block_html_head') ); |
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| 113 | $this->smarty->register_block('html_style', array(&$this, 'block_html_style') ); |
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| 114 | $this->smarty->register_function('combine_script', array(&$this, 'func_combine_script') ); |
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| 115 | $this->smarty->register_function('get_combined_scripts', array(&$this, 'func_get_combined_scripts') ); |
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| 116 | $this->smarty->register_function('combine_css', array(&$this, 'func_combine_css') ); |
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| 117 | $this->smarty->register_function('define_derivative', array(&$this, 'func_define_derivative') ); |
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| 118 | $this->smarty->register_compiler_function('get_combined_css', array(&$this, 'func_get_combined_css') ); |
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| 119 | $this->smarty->register_block('footer_script', array(&$this, 'block_footer_script') ); |
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| 120 | $this->smarty->register_prefilter( array('Template', 'prefilter_white_space') ); |
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| 121 | if ( $conf['compiled_template_cache_language'] ) |
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| 122 | { |
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| 123 | $this->smarty->register_prefilter( array('Template', 'prefilter_language') ); |
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| 124 | } |
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| 125 | |
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| 126 | $this->smarty->template_dir = array(); |
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| 127 | if ( !empty($theme) ) |
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| 128 | { |
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| 129 | $this->set_theme($root, $theme, $path); |
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| 130 | $this->set_prefilter( 'header', array('Template', 'prefilter_local_css') ); |
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| 131 | } |
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| 132 | else |
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| 133 | $this->set_template_dir($root); |
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| 134 | |
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| 135 | $this->smarty->assign('lang_info', $lang_info); |
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| 136 | |
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| 137 | if (!defined('IN_ADMIN') and isset($conf['extents_for_templates'])) |
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| 138 | { |
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| 139 | $tpl_extents = unserialize($conf['extents_for_templates']); |
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| 140 | $this->set_extents($tpl_extents, './template-extension/', true, $theme); |
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| 141 | } |
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| 142 | } |
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| 143 | |
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| 144 | /** |
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| 145 | * Load theme's parameters. |
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| 146 | */ |
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| 147 | function set_theme($root, $theme, $path, $load_css=true, $load_local_head=true) |
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| 148 | { |
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| 149 | $this->set_template_dir($root.'/'.$theme.'/'.$path); |
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| 150 | |
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| 151 | $themeconf = $this->load_themeconf($root.'/'.$theme); |
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| 152 | |
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| 153 | if (isset($themeconf['parent']) and $themeconf['parent'] != $theme) |
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| 154 | { |
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| 155 | $this->set_theme( |
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| 156 | $root, |
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| 157 | $themeconf['parent'], |
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| 158 | $path, |
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| 159 | isset($themeconf['load_parent_css']) ? $themeconf['load_parent_css'] : $load_css, |
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| 160 | isset($themeconf['load_parent_local_head']) ? $themeconf['load_parent_local_head'] : $load_local_head |
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| 161 | ); |
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| 162 | } |
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| 163 | |
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| 164 | $tpl_var = array( |
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| 165 | 'id' => $theme, |
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| 166 | 'load_css' => $load_css, |
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| 167 | ); |
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| 168 | if (!empty($themeconf['local_head']) and $load_local_head) |
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| 169 | { |
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| 170 | $tpl_var['local_head'] = realpath($root.'/'.$theme.'/'.$themeconf['local_head'] ); |
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| 171 | } |
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| 172 | $themeconf['id'] = $theme; |
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| 173 | $this->smarty->append('themes', $tpl_var); |
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| 174 | $this->smarty->append('themeconf', $themeconf, true); |
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| 175 | } |
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| 176 | |
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| 177 | /** |
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| 178 | * Add template directory for this Template object. |
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| 179 | * Set compile id if not exists. |
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| 180 | */ |
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| 181 | function set_template_dir($dir) |
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| 182 | { |
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| 183 | $this->smarty->template_dir[] = $dir; |
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| 184 | |
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| 185 | if (!isset($this->smarty->compile_id)) |
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| 186 | { |
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| 187 | $real_dir = realpath($dir); |
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| 188 | $compile_id = crc32( $real_dir===false ? $dir : $real_dir); |
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| 189 | $this->smarty->compile_id = base_convert($compile_id, 10, 36 ); |
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| 190 | } |
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| 191 | } |
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| 192 | |
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| 193 | /** |
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| 194 | * Gets the template root directory for this Template object. |
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| 195 | */ |
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| 196 | function get_template_dir() |
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| 197 | { |
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| 198 | return $this->smarty->template_dir; |
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| 199 | } |
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| 200 | |
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| 201 | /** |
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| 202 | * Deletes all compiled templates. |
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| 203 | */ |
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| 204 | function delete_compiled_templates() |
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| 205 | { |
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| 206 | $save_compile_id = $this->smarty->compile_id; |
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| 207 | $this->smarty->compile_id = null; |
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| 208 | $this->smarty->clear_compiled_tpl(); |
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| 209 | $this->smarty->compile_id = $save_compile_id; |
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| 210 | file_put_contents($this->smarty->compile_dir.'/index.htm', 'Not allowed!'); |
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| 211 | } |
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| 212 | |
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| 213 | function get_themeconf($val) |
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| 214 | { |
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| 215 | $tc = $this->smarty->get_template_vars('themeconf'); |
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| 216 | return isset($tc[$val]) ? $tc[$val] : ''; |
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| 217 | } |
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| 218 | |
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| 219 | /** |
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| 220 | * Sets the template filename for handle. |
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| 221 | */ |
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| 222 | function set_filename($handle, $filename) |
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| 223 | { |
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| 224 | return $this->set_filenames( array($handle=>$filename) ); |
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| 225 | } |
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| 226 | |
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| 227 | /** |
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| 228 | * Sets the template filenames for handles. $filename_array should be a |
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| 229 | * hash of handle => filename pairs. |
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| 230 | */ |
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| 231 | function set_filenames($filename_array) |
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| 232 | { |
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| 233 | if (!is_array($filename_array)) |
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| 234 | { |
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| 235 | return false; |
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| 236 | } |
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| 237 | reset($filename_array); |
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| 238 | while(list($handle, $filename) = each($filename_array)) |
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| 239 | { |
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| 240 | if (is_null($filename)) |
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| 241 | { |
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| 242 | unset($this->files[$handle]); |
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| 243 | } |
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| 244 | else |
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| 245 | { |
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| 246 | $this->files[$handle] = $this->get_extent($filename, $handle); |
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| 247 | } |
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| 248 | } |
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| 249 | return true; |
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| 250 | } |
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| 251 | |
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| 252 | /** |
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| 253 | * Sets template extention filename for handles. |
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| 254 | */ |
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| 255 | function set_extent($filename, $param, $dir='', $overwrite=true, $theme='N/A') |
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| 256 | { |
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| 257 | return $this->set_extents(array($filename => $param), $dir, $overwrite); |
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| 258 | } |
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| 259 | |
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| 260 | /** |
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| 261 | * Sets template extentions filenames for handles. |
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| 262 | * $filename_array should be an hash of filename => array( handle, param) or filename => handle |
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| 263 | */ |
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| 264 | function set_extents($filename_array, $dir='', $overwrite=true, $theme='N/A') |
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| 265 | { |
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| 266 | if (!is_array($filename_array)) |
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| 267 | { |
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| 268 | return false; |
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| 269 | } |
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| 270 | foreach ($filename_array as $filename => $value) |
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| 271 | { |
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| 272 | if (is_array($value)) |
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| 273 | { |
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| 274 | $handle = $value[0]; |
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| 275 | $param = $value[1]; |
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| 276 | $thm = $value[2]; |
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| 277 | } |
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| 278 | elseif (is_string($value)) |
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| 279 | { |
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| 280 | $handle = $value; |
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| 281 | $param = 'N/A'; |
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| 282 | $thm = 'N/A'; |
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| 283 | } |
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| 284 | else |
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| 285 | { |
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| 286 | return false; |
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| 287 | } |
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| 288 | |
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| 289 | if ((stripos(implode('',array_keys($_GET)), '/'.$param) !== false or $param == 'N/A') |
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| 290 | and ($thm == $theme or $thm == 'N/A') |
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| 291 | and (!isset($this->extents[$handle]) or $overwrite) |
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| 292 | and file_exists($dir . $filename)) |
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| 293 | { |
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| 294 | $this->extents[$handle] = realpath($dir . $filename); |
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| 295 | } |
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| 296 | } |
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| 297 | return true; |
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| 298 | } |
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| 299 | |
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| 300 | /** return template extension if exists */ |
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| 301 | function get_extent($filename='', $handle='') |
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| 302 | { |
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| 303 | if (isset($this->extents[$handle])) |
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| 304 | { |
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| 305 | $filename = $this->extents[$handle]; |
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| 306 | } |
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| 307 | return $filename; |
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| 308 | } |
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| 309 | |
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| 310 | /** see smarty assign http://www.smarty.net/manual/en/api.assign.php */ |
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| 311 | function assign($tpl_var, $value = null) |
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| 312 | { |
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| 313 | $this->smarty->assign( $tpl_var, $value ); |
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| 314 | } |
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| 315 | |
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| 316 | /** |
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| 317 | * Inserts the uncompiled code for $handle as the value of $varname in the |
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| 318 | * root-level. This can be used to effectively include a template in the |
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| 319 | * middle of another template. |
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| 320 | * This is equivalent to assign($varname, $this->parse($handle, true)) |
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| 321 | */ |
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| 322 | function assign_var_from_handle($varname, $handle) |
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| 323 | { |
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| 324 | $this->assign($varname, $this->parse($handle, true)); |
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| 325 | return true; |
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| 326 | } |
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| 327 | |
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| 328 | /** see smarty append http://www.smarty.net/manual/en/api.append.php */ |
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| 329 | function append($tpl_var, $value=null, $merge=false) |
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| 330 | { |
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| 331 | $this->smarty->append( $tpl_var, $value, $merge ); |
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| 332 | } |
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| 333 | |
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| 334 | /** |
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| 335 | * Root-level variable concatenation. Appends a string to an existing |
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| 336 | * variable assignment with the same name. |
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| 337 | */ |
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| 338 | function concat($tpl_var, $value) |
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| 339 | { |
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| 340 | $old_val = & $this->smarty->get_template_vars($tpl_var); |
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| 341 | if ( isset($old_val) ) |
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| 342 | { |
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| 343 | $old_val .= $value; |
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| 344 | } |
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| 345 | else |
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| 346 | { |
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| 347 | $this->assign($tpl_var, $value); |
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| 348 | } |
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| 349 | } |
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| 350 | |
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| 351 | /** see smarty append http://www.smarty.net/manual/en/api.clear_assign.php */ |
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| 352 | function clear_assign($tpl_var) |
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| 353 | { |
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| 354 | $this->smarty->clear_assign( $tpl_var ); |
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| 355 | } |
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| 356 | |
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| 357 | /** see smarty get_template_vars http://www.smarty.net/manual/en/api.get_template_vars.php */ |
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| 358 | function &get_template_vars($name=null) |
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| 359 | { |
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| 360 | return $this->smarty->get_template_vars( $name ); |
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| 361 | } |
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| 362 | |
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| 363 | |
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| 364 | /** |
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| 365 | * Load the file for the handle, eventually compile the file and run the compiled |
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| 366 | * code. This will add the output to the results or return the result if $return |
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| 367 | * is true. |
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| 368 | */ |
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| 369 | function parse($handle, $return=false) |
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| 370 | { |
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| 371 | if ( !isset($this->files[$handle]) ) |
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| 372 | { |
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| 373 | fatal_error("Template->parse(): Couldn't load template file for handle $handle"); |
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| 374 | } |
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| 375 | |
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| 376 | $this->smarty->assign( 'ROOT_URL', get_root_url() ); |
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| 377 | |
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| 378 | $save_compile_id = $this->smarty->compile_id; |
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| 379 | $this->load_external_filters($handle); |
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| 380 | |
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| 381 | global $conf, $lang_info; |
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| 382 | if ( $conf['compiled_template_cache_language'] and isset($lang_info['code']) ) |
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| 383 | { |
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| 384 | $this->smarty->compile_id .= '.'.$lang_info['code']; |
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| 385 | } |
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| 386 | |
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| 387 | $v = $this->smarty->fetch($this->files[$handle], null, null, false); |
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| 388 | |
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| 389 | $this->smarty->compile_id = $save_compile_id; |
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| 390 | $this->unload_external_filters($handle); |
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| 391 | |
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| 392 | if ($return) |
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| 393 | { |
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| 394 | return $v; |
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| 395 | } |
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| 396 | $this->output .= $v; |
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| 397 | } |
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| 398 | |
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| 399 | /** |
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| 400 | * Load the file for the handle, eventually compile the file and run the compiled |
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| 401 | * code. This will print out the results of executing the template. |
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| 402 | */ |
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| 403 | function pparse($handle) |
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| 404 | { |
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| 405 | $this->parse($handle, false); |
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| 406 | $this->flush(); |
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| 407 | } |
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| 408 | |
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| 409 | function flush() |
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| 410 | { |
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| 411 | if (!$this->scriptLoader->did_head()) |
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| 412 | { |
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| 413 | $pos = strpos( $this->output, self::COMBINED_SCRIPTS_TAG ); |
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| 414 | if ($pos !== false) |
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| 415 | { |
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| 416 | $scripts = $this->scriptLoader->get_head_scripts(); |
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| 417 | $content = array(); |
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| 418 | foreach ($scripts as $script) |
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| 419 | { |
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| 420 | $content[]= |
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| 421 | '<script type="text/javascript" src="' |
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| 422 | . self::make_script_src($script) |
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| 423 | .'"></script>'; |
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| 424 | } |
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| 425 | |
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| 426 | $this->output = substr_replace( $this->output, "\n".implode( "\n", $content ), $pos, strlen(self::COMBINED_SCRIPTS_TAG) ); |
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| 427 | } //else maybe error or warning ? |
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| 428 | } |
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| 429 | |
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| 430 | if(!empty($this->css_by_priority)) |
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| 431 | { |
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| 432 | ksort($this->css_by_priority); |
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| 433 | |
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| 434 | global $conf; |
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| 435 | $css = array(); |
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| 436 | if ($conf['template_combine_files']) |
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| 437 | { |
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| 438 | $combiner = new FileCombiner('css'); |
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| 439 | foreach ($this->css_by_priority as $files) |
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| 440 | { |
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| 441 | foreach ($files as $file_ver) |
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| 442 | $combiner->add( $file_ver[0], $file_ver[1] ); |
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| 443 | } |
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| 444 | if ( $combiner->combine( $out_file, $out_version) ) |
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| 445 | $css[] = array($out_file, $out_version); |
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| 446 | } |
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| 447 | else |
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| 448 | { |
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| 449 | foreach ($this->css_by_priority as $files) |
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| 450 | $css = array_merge($css, $files); |
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| 451 | } |
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| 452 | |
|---|
| 453 | $content = array(); |
|---|
| 454 | foreach( $css as $file_ver ) |
|---|
| 455 | { |
|---|
| 456 | $href = embellish_url(get_root_url().$file_ver[0]); |
|---|
| 457 | if ($file_ver[1] !== false) |
|---|
| 458 | $href .= '?v' . ($file_ver[1] ? $file_ver[1] : PHPWG_VERSION); |
|---|
| 459 | // trigger the event for eventual use of a cdn |
|---|
| 460 | $href = trigger_event('combined_css', $href, $file_ver[0], $file_ver[1]); |
|---|
| 461 | $content[] = '<link rel="stylesheet" type="text/css" href="'.$href.'">'; |
|---|
| 462 | } |
|---|
| 463 | $this->output = str_replace(self::COMBINED_CSS_TAG, |
|---|
| 464 | implode( "\n", $content ), |
|---|
| 465 | $this->output ); |
|---|
| 466 | $this->css_by_priority = array(); |
|---|
| 467 | } |
|---|
| 468 | |
|---|
| 469 | if ( count($this->html_head_elements) || strlen($this->html_style) ) |
|---|
| 470 | { |
|---|
| 471 | $search = "\n</head>"; |
|---|
| 472 | $pos = strpos( $this->output, $search ); |
|---|
| 473 | if ($pos !== false) |
|---|
| 474 | { |
|---|
| 475 | $rep = "\n".implode( "\n", $this->html_head_elements ); |
|---|
| 476 | if (strlen($this->html_style)) |
|---|
| 477 | { |
|---|
| 478 | $rep.='<style type="text/css">'.$this->html_style.'</style>'; |
|---|
| 479 | } |
|---|
| 480 | $this->output = substr_replace( $this->output, $rep, $pos, 0 ); |
|---|
| 481 | } //else maybe error or warning ? |
|---|
| 482 | $this->html_head_elements = array(); |
|---|
| 483 | $this->html_style = ''; |
|---|
| 484 | } |
|---|
| 485 | |
|---|
| 486 | echo $this->output; |
|---|
| 487 | $this->output=''; |
|---|
| 488 | } |
|---|
| 489 | |
|---|
| 490 | /** flushes the output */ |
|---|
| 491 | function p() |
|---|
| 492 | { |
|---|
| 493 | $this->flush(); |
|---|
| 494 | |
|---|
| 495 | if ($this->smarty->debugging) |
|---|
| 496 | { |
|---|
| 497 | global $t2; |
|---|
| 498 | $this->smarty->assign( |
|---|
| 499 | array( |
|---|
| 500 | 'AAAA_DEBUG_TOTAL_TIME__' => get_elapsed_time($t2, get_moment()) |
|---|
| 501 | ) |
|---|
| 502 | ); |
|---|
| 503 | require_once(SMARTY_CORE_DIR . 'core.display_debug_console.php'); |
|---|
| 504 | echo smarty_core_display_debug_console(null, $this->smarty); |
|---|
| 505 | } |
|---|
| 506 | } |
|---|
| 507 | |
|---|
| 508 | /** |
|---|
| 509 | * translate variable modifier - translates a text to the currently loaded |
|---|
| 510 | * language |
|---|
| 511 | */ |
|---|
| 512 | static function mod_translate($text) |
|---|
| 513 | { |
|---|
| 514 | return l10n($text); |
|---|
| 515 | } |
|---|
| 516 | |
|---|
| 517 | /** |
|---|
| 518 | * explode variable modifier - similar to php explode |
|---|
| 519 | * 'Yes;No'|@explode:';' -> array('Yes', 'No') |
|---|
| 520 | */ |
|---|
| 521 | static function mod_explode($text, $delimiter=',') |
|---|
| 522 | { |
|---|
| 523 | return explode($delimiter, $text); |
|---|
| 524 | } |
|---|
| 525 | |
|---|
| 526 | /** |
|---|
| 527 | * This smarty "html_head" block allows to add content just before |
|---|
| 528 | * </head> element in the output after the head has been parsed. This is |
|---|
| 529 | * handy in order to respect strict standards when <style> and <link> |
|---|
| 530 | * html elements must appear in the <head> element |
|---|
| 531 | */ |
|---|
| 532 | function block_html_head($params, $content, &$smarty, &$repeat) |
|---|
| 533 | { |
|---|
| 534 | $content = trim($content); |
|---|
| 535 | if ( !empty($content) ) |
|---|
| 536 | { // second call |
|---|
| 537 | $this->html_head_elements[] = $content; |
|---|
| 538 | } |
|---|
| 539 | } |
|---|
| 540 | |
|---|
| 541 | function block_html_style($params, $content, &$smarty, &$repeat) |
|---|
| 542 | { |
|---|
| 543 | $content = trim($content); |
|---|
| 544 | if ( !empty($content) ) |
|---|
| 545 | { // second call |
|---|
| 546 | $this->html_style .= $content; |
|---|
| 547 | } |
|---|
| 548 | } |
|---|
| 549 | |
|---|
| 550 | function func_define_derivative($params, &$smarty) |
|---|
| 551 | { |
|---|
| 552 | !empty($params['name']) or fatal_error('define_derviative missing name'); |
|---|
| 553 | if (isset($params['type'])) |
|---|
| 554 | { |
|---|
| 555 | $derivative = ImageStdParams::get_by_type($params['type']); |
|---|
| 556 | $smarty->assign( $params['name'], $derivative); |
|---|
| 557 | return; |
|---|
| 558 | } |
|---|
| 559 | !empty($params['width']) or fatal_error('define_derviative missing width'); |
|---|
| 560 | !empty($params['height']) or fatal_error('define_derviative missing height'); |
|---|
| 561 | |
|---|
| 562 | $w = intval($params['width']); |
|---|
| 563 | $h = intval($params['height']); |
|---|
| 564 | $crop = 0; |
|---|
| 565 | $minw=null; |
|---|
| 566 | $minh=null; |
|---|
| 567 | |
|---|
| 568 | if (isset($params['crop'])) |
|---|
| 569 | { |
|---|
| 570 | if (is_bool($params['crop'])) |
|---|
| 571 | { |
|---|
| 572 | $crop = $params['crop'] ? 1:0; |
|---|
| 573 | } |
|---|
| 574 | else |
|---|
| 575 | { |
|---|
| 576 | $crop = round($params['crop']/100, 2); |
|---|
| 577 | } |
|---|
| 578 | |
|---|
| 579 | if ($crop) |
|---|
| 580 | { |
|---|
| 581 | $minw = empty($params['min_width']) ? $w : intval($params['min_width']); |
|---|
| 582 | $minw <= $w or fatal_error('define_derviative invalid min_width'); |
|---|
| 583 | $minh = empty($params['min_height']) ? $h : intval($params['min_height']); |
|---|
| 584 | $minh <= $h or fatal_error('define_derviative invalid min_height'); |
|---|
| 585 | } |
|---|
| 586 | } |
|---|
| 587 | |
|---|
| 588 | $smarty->assign( $params['name'], ImageStdParams::get_custom($w, $h, $crop, $minw, $minh) ); |
|---|
| 589 | } |
|---|
| 590 | |
|---|
| 591 | /** |
|---|
| 592 | * combine_script smarty function allows inclusion of a javascript file in the current page. |
|---|
| 593 | * The engine will combine several js files into a single one in order to reduce the number of |
|---|
| 594 | * required http requests. |
|---|
| 595 | * param id - required |
|---|
| 596 | * param path - required - the path to js file RELATIVE to piwigo root dir |
|---|
| 597 | * param load - optional - header|footer|async, default header |
|---|
| 598 | * param require - optional - comma separated list of script ids required to be loaded and executed |
|---|
| 599 | before this one |
|---|
| 600 | * param version - optional - plugins could use this and change it in order to force a |
|---|
| 601 | browser refresh |
|---|
| 602 | */ |
|---|
| 603 | function func_combine_script($params, &$smarty) |
|---|
| 604 | { |
|---|
| 605 | if (!isset($params['id'])) |
|---|
| 606 | { |
|---|
| 607 | $smarty->trigger_error("combine_script: missing 'id' parameter", E_USER_ERROR); |
|---|
| 608 | } |
|---|
| 609 | $load = 0; |
|---|
| 610 | if (isset($params['load'])) |
|---|
| 611 | { |
|---|
| 612 | switch ($params['load']) |
|---|
| 613 | { |
|---|
| 614 | case 'header': break; |
|---|
| 615 | case 'footer': $load=1; break; |
|---|
| 616 | case 'async': $load=2; break; |
|---|
| 617 | default: $smarty->trigger_error("combine_script: invalid 'load' parameter", E_USER_ERROR); |
|---|
| 618 | } |
|---|
| 619 | } |
|---|
| 620 | $this->scriptLoader->add( $params['id'], $load, |
|---|
| 621 | empty($params['require']) ? array() : explode( ',', $params['require'] ), |
|---|
| 622 | @$params['path'], |
|---|
| 623 | isset($params['version']) ? $params['version'] : 0 ); |
|---|
| 624 | } |
|---|
| 625 | |
|---|
| 626 | |
|---|
| 627 | function func_get_combined_scripts($params, &$smarty) |
|---|
| 628 | { |
|---|
| 629 | if (!isset($params['load'])) |
|---|
| 630 | { |
|---|
| 631 | $smarty->trigger_error("get_combined_scripts: missing 'load' parameter", E_USER_ERROR); |
|---|
| 632 | } |
|---|
| 633 | $load = $params['load']=='header' ? 0 : 1; |
|---|
| 634 | $content = array(); |
|---|
| 635 | |
|---|
| 636 | if ($load==0) |
|---|
| 637 | { |
|---|
| 638 | return self::COMBINED_SCRIPTS_TAG; |
|---|
| 639 | } |
|---|
| 640 | else |
|---|
| 641 | { |
|---|
| 642 | $scripts = $this->scriptLoader->get_footer_scripts(); |
|---|
| 643 | foreach ($scripts[0] as $script) |
|---|
| 644 | { |
|---|
| 645 | $content[]= |
|---|
| 646 | '<script type="text/javascript" src="' |
|---|
| 647 | . self::make_script_src($script) |
|---|
| 648 | .'"></script>'; |
|---|
| 649 | } |
|---|
| 650 | if (count($this->scriptLoader->inline_scripts)) |
|---|
| 651 | { |
|---|
| 652 | $content[]= '<script type="text/javascript">//<![CDATA[ |
|---|
| 653 | '; |
|---|
| 654 | $content = array_merge($content, $this->scriptLoader->inline_scripts); |
|---|
| 655 | $content[]= '//]]></script>'; |
|---|
| 656 | } |
|---|
| 657 | |
|---|
| 658 | if (count($scripts[1])) |
|---|
| 659 | { |
|---|
| 660 | $content[]= '<script type="text/javascript">'; |
|---|
| 661 | $content[]= '(function() { |
|---|
| 662 | var s,after = document.getElementsByTagName(\'script\')[document.getElementsByTagName(\'script\').length-1];'; |
|---|
| 663 | foreach ($scripts[1] as $id => $script) |
|---|
| 664 | { |
|---|
| 665 | $content[]= |
|---|
| 666 | 's=document.createElement(\'script\'); s.type=\'text/javascript\'; s.async=true; s.src=\'' |
|---|
| 667 | . self::make_script_src($script) |
|---|
| 668 | .'\';'; |
|---|
| 669 | $content[]= 'after = after.parentNode.insertBefore(s, after);'; |
|---|
| 670 | } |
|---|
| 671 | $content[]= '})();'; |
|---|
| 672 | $content[]= '</script>'; |
|---|
| 673 | } |
|---|
| 674 | } |
|---|
| 675 | return implode("\n", $content); |
|---|
| 676 | } |
|---|
| 677 | |
|---|
| 678 | |
|---|
| 679 | private static function make_script_src( $script ) |
|---|
| 680 | { |
|---|
| 681 | $ret = ''; |
|---|
| 682 | if ( $script->is_remote() ) |
|---|
| 683 | $ret = $script->path; |
|---|
| 684 | else |
|---|
| 685 | { |
|---|
| 686 | $ret = embellish_url(get_root_url().$script->path); |
|---|
| 687 | if ($script->version!==false) |
|---|
| 688 | { |
|---|
| 689 | $ret.= '?v'. ($script->version ? $script->version : PHPWG_VERSION); |
|---|
| 690 | } |
|---|
| 691 | } |
|---|
| 692 | // trigger the event for eventual use of a cdn |
|---|
| 693 | $ret = trigger_event('combined_script', $ret, $script); |
|---|
| 694 | return $ret; |
|---|
| 695 | } |
|---|
| 696 | |
|---|
| 697 | function block_footer_script($params, $content, &$smarty, &$repeat) |
|---|
| 698 | { |
|---|
| 699 | $content = trim($content); |
|---|
| 700 | if ( !empty($content) ) |
|---|
| 701 | { // second call |
|---|
| 702 | $this->scriptLoader->add_inline( |
|---|
| 703 | $content, |
|---|
| 704 | empty($params['require']) ? array() : explode(',', $params['require']) |
|---|
| 705 | ); |
|---|
| 706 | } |
|---|
| 707 | } |
|---|
| 708 | |
|---|
| 709 | /** |
|---|
| 710 | * combine_css smarty function allows inclusion of a css stylesheet file in the current page. |
|---|
| 711 | * The engine will combine several css files into a single one in order to reduce the number of |
|---|
| 712 | * required http requests. |
|---|
| 713 | * param path - required - the path to css file RELATIVE to piwigo root dir |
|---|
| 714 | * param version - optional - plugins could use this and change it in order to force a |
|---|
| 715 | browser refresh |
|---|
| 716 | */ |
|---|
| 717 | function func_combine_css($params, &$smarty) |
|---|
| 718 | { |
|---|
| 719 | !empty($params['path']) || fatal_error('combine_css missing path'); |
|---|
| 720 | $order = (int)@$params['order']; |
|---|
| 721 | $version = isset($params['version']) ? $params['version'] : 0; |
|---|
| 722 | $this->css_by_priority[$order][] = array( $params['path'], $version); |
|---|
| 723 | } |
|---|
| 724 | |
|---|
| 725 | function func_get_combined_css($params, &$smarty) |
|---|
| 726 | { |
|---|
| 727 | return 'echo '.var_export(self::COMBINED_CSS_TAG,true); |
|---|
| 728 | } |
|---|
| 729 | |
|---|
| 730 | |
|---|
| 731 | /** |
|---|
| 732 | * This function allows to declare a Smarty prefilter from a plugin, thus allowing |
|---|
| 733 | * it to modify template source before compilation and without changing core files |
|---|
| 734 | * They will be processed by weight ascending. |
|---|
| 735 | * http://www.smarty.net/manual/en/advanced.features.prefilters.php |
|---|
| 736 | */ |
|---|
| 737 | function set_prefilter($handle, $callback, $weight=50) |
|---|
| 738 | { |
|---|
| 739 | $this->external_filters[$handle][$weight][] = array('prefilter', $callback); |
|---|
| 740 | ksort($this->external_filters[$handle]); |
|---|
| 741 | } |
|---|
| 742 | |
|---|
| 743 | function set_postfilter($handle, $callback, $weight=50) |
|---|
| 744 | { |
|---|
| 745 | $this->external_filters[$handle][$weight][] = array('postfilter', $callback); |
|---|
| 746 | ksort($this->external_filters[$handle]); |
|---|
| 747 | } |
|---|
| 748 | |
|---|
| 749 | function set_outputfilter($handle, $callback, $weight=50) |
|---|
| 750 | { |
|---|
| 751 | $this->external_filters[$handle][$weight][] = array('outputfilter', $callback); |
|---|
| 752 | ksort($this->external_filters[$handle]); |
|---|
| 753 | } |
|---|
| 754 | |
|---|
| 755 | /** |
|---|
| 756 | * This function actually triggers the filters on the tpl files. |
|---|
| 757 | * Called in the parse method. |
|---|
| 758 | * http://www.smarty.net/manual/en/advanced.features.prefilters.php |
|---|
| 759 | */ |
|---|
| 760 | function load_external_filters($handle) |
|---|
| 761 | { |
|---|
| 762 | if (isset($this->external_filters[$handle])) |
|---|
| 763 | { |
|---|
| 764 | $compile_id = ''; |
|---|
| 765 | foreach ($this->external_filters[$handle] as $filters) |
|---|
| 766 | { |
|---|
| 767 | foreach ($filters as $filter) |
|---|
| 768 | { |
|---|
| 769 | list($type, $callback) = $filter; |
|---|
| 770 | $compile_id .= $type.( is_array($callback) ? implode('', $callback) : $callback ); |
|---|
| 771 | call_user_func(array($this->smarty, 'register_'.$type), $callback); |
|---|
| 772 | } |
|---|
| 773 | } |
|---|
| 774 | $this->smarty->compile_id .= '.'.base_convert(crc32($compile_id), 10, 36); |
|---|
| 775 | } |
|---|
| 776 | } |
|---|
| 777 | |
|---|
| 778 | function unload_external_filters($handle) |
|---|
| 779 | { |
|---|
| 780 | if (isset($this->external_filters[$handle])) |
|---|
| 781 | { |
|---|
| 782 | foreach ($this->external_filters[$handle] as $filters) |
|---|
| 783 | { |
|---|
| 784 | foreach ($filters as $filter) |
|---|
| 785 | { |
|---|
| 786 | list($type, $callback) = $filter; |
|---|
| 787 | call_user_func(array($this->smarty, 'unregister_'.$type), $callback); |
|---|
| 788 | } |
|---|
| 789 | } |
|---|
| 790 | } |
|---|
| 791 | } |
|---|
| 792 | |
|---|
| 793 | static function prefilter_white_space($source, &$smarty) |
|---|
| 794 | { |
|---|
| 795 | $ld = $smarty->left_delimiter; |
|---|
| 796 | $rd = $smarty->right_delimiter; |
|---|
| 797 | $ldq = preg_quote($ld, '#'); |
|---|
| 798 | $rdq = preg_quote($rd, '#'); |
|---|
| 799 | |
|---|
| 800 | $regex = array(); |
|---|
| 801 | $tags = array('if','foreach','section','footer_script'); |
|---|
| 802 | foreach($tags as $tag) |
|---|
| 803 | { |
|---|
| 804 | array_push($regex, "#^[ \t]+($ldq$tag"."[^$ld$rd]*$rdq)\s*$#m"); |
|---|
| 805 | array_push($regex, "#^[ \t]+($ldq/$tag$rdq)\s*$#m"); |
|---|
| 806 | } |
|---|
| 807 | $tags = array('include','else','combine_script','html_head'); |
|---|
| 808 | foreach($tags as $tag) |
|---|
| 809 | { |
|---|
| 810 | array_push($regex, "#^[ \t]+($ldq$tag"."[^$ld$rd]*$rdq)\s*$#m"); |
|---|
| 811 | } |
|---|
| 812 | $source = preg_replace( $regex, "$1", $source); |
|---|
| 813 | return $source; |
|---|
| 814 | } |
|---|
| 815 | |
|---|
| 816 | /** |
|---|
| 817 | * Smarty prefilter to allow caching (whenever possible) language strings |
|---|
| 818 | * from templates. |
|---|
| 819 | */ |
|---|
| 820 | static function prefilter_language($source, &$smarty) |
|---|
| 821 | { |
|---|
| 822 | global $lang; |
|---|
| 823 | $ldq = preg_quote($smarty->left_delimiter, '~'); |
|---|
| 824 | $rdq = preg_quote($smarty->right_delimiter, '~'); |
|---|
| 825 | |
|---|
| 826 | $regex = "~$ldq *\'([^'$]+)\'\|@translate *$rdq~"; |
|---|
| 827 | $source = preg_replace_callback( $regex, create_function('$m', 'global $lang; return isset($lang[$m[1]]) ? $lang[$m[1]] : $m[0];'), $source); |
|---|
| 828 | |
|---|
| 829 | $regex = "~$ldq *\'([^'$]+)\'\|@translate\|~"; |
|---|
| 830 | $source = preg_replace_callback( $regex, create_function('$m', 'global $lang; return isset($lang[$m[1]]) ? \'{\'.var_export($lang[$m[1]],true).\'|\' : $m[0];'), $source); |
|---|
| 831 | |
|---|
| 832 | $regex = "~($ldq *assign +var=.+ +value=)\'([^'$]+)\'\|@translate~"; |
|---|
| 833 | $source = preg_replace_callback( $regex, create_function('$m', 'global $lang; return isset($lang[$m[2]]) ? $m[1].var_export($lang[$m[2]],true) : $m[0];'), $source); |
|---|
| 834 | |
|---|
| 835 | return $source; |
|---|
| 836 | } |
|---|
| 837 | |
|---|
| 838 | static function prefilter_local_css($source, &$smarty) |
|---|
| 839 | { |
|---|
| 840 | $css = array(); |
|---|
| 841 | foreach ($smarty->get_template_vars('themes') as $theme) |
|---|
| 842 | { |
|---|
| 843 | $f = PWG_LOCAL_DIR.'css/'.$theme['id'].'-rules.css'; |
|---|
| 844 | if (file_exists(PHPWG_ROOT_PATH.$f)) |
|---|
| 845 | { |
|---|
| 846 | array_push($css, "{combine_css path='$f' order=10}"); |
|---|
| 847 | } |
|---|
| 848 | } |
|---|
| 849 | $f = PWG_LOCAL_DIR.'css/rules.css'; |
|---|
| 850 | if (file_exists(PHPWG_ROOT_PATH.$f)) |
|---|
| 851 | { |
|---|
| 852 | array_push($css, "{combine_css path='$f' order=10}"); |
|---|
| 853 | } |
|---|
| 854 | |
|---|
| 855 | if (!empty($css)) |
|---|
| 856 | { |
|---|
| 857 | $source = str_replace("\n{get_combined_css}", "\n".implode( "\n", $css )."\n{get_combined_css}", $source); |
|---|
| 858 | } |
|---|
| 859 | |
|---|
| 860 | return $source; |
|---|
| 861 | } |
|---|
| 862 | |
|---|
| 863 | function load_themeconf($dir) |
|---|
| 864 | { |
|---|
| 865 | global $themeconfs, $conf; |
|---|
| 866 | |
|---|
| 867 | $dir = realpath($dir); |
|---|
| 868 | if (!isset($themeconfs[$dir])) |
|---|
| 869 | { |
|---|
| 870 | $themeconf = array(); |
|---|
| 871 | include($dir.'/themeconf.inc.php'); |
|---|
| 872 | // Put themeconf in cache |
|---|
| 873 | $themeconfs[$dir] = $themeconf; |
|---|
| 874 | } |
|---|
| 875 | return $themeconfs[$dir]; |
|---|
| 876 | } |
|---|
| 877 | } |
|---|
| 878 | |
|---|
| 879 | |
|---|
| 880 | /** |
|---|
| 881 | * This class contains basic functions that can be called directly from the |
|---|
| 882 | * templates in the form $pwg->l10n('edit') |
|---|
| 883 | */ |
|---|
| 884 | class PwgTemplateAdapter |
|---|
| 885 | { |
|---|
| 886 | function l10n($text) |
|---|
| 887 | { |
|---|
| 888 | return l10n($text); |
|---|
| 889 | } |
|---|
| 890 | |
|---|
| 891 | function l10n_dec($s, $p, $v) |
|---|
| 892 | { |
|---|
| 893 | return l10n_dec($s, $p, $v); |
|---|
| 894 | } |
|---|
| 895 | |
|---|
| 896 | function sprintf() |
|---|
| 897 | { |
|---|
| 898 | $args = func_get_args(); |
|---|
| 899 | return call_user_func_array('sprintf', $args ); |
|---|
| 900 | } |
|---|
| 901 | |
|---|
| 902 | function derivative_url($type, $img) |
|---|
| 903 | { |
|---|
| 904 | return DerivativeImage::url($type, $img); |
|---|
| 905 | } |
|---|
| 906 | } |
|---|
| 907 | |
|---|
| 908 | |
|---|
| 909 | final class Script |
|---|
| 910 | { |
|---|
| 911 | public $id; |
|---|
| 912 | public $load_mode; |
|---|
| 913 | public $precedents = array(); |
|---|
| 914 | public $path; |
|---|
| 915 | public $version; |
|---|
| 916 | public $extra = array(); |
|---|
| 917 | |
|---|
| 918 | function Script($load_mode, $id, $path, $version, $precedents) |
|---|
| 919 | { |
|---|
| 920 | $this->id = $id; |
|---|
| 921 | $this->load_mode = $load_mode; |
|---|
| 922 | $this->id = $id; |
|---|
| 923 | $this->set_path($path); |
|---|
| 924 | $this->version = $version; |
|---|
| 925 | $this->precedents = $precedents; |
|---|
| 926 | } |
|---|
| 927 | |
|---|
| 928 | function set_path($path) |
|---|
| 929 | { |
|---|
| 930 | if (!empty($path)) |
|---|
| 931 | $this->path = $path; |
|---|
| 932 | } |
|---|
| 933 | |
|---|
| 934 | function is_remote() |
|---|
| 935 | { |
|---|
| 936 | return url_is_remote( $this->path ); |
|---|
| 937 | } |
|---|
| 938 | } |
|---|
| 939 | |
|---|
| 940 | |
|---|
| 941 | /** Manage a list of required scripts for a page, by optimizing their loading location (head, bottom, async) |
|---|
| 942 | and later on by combining them in a unique file respecting at the same time dependencies.*/ |
|---|
| 943 | class ScriptLoader |
|---|
| 944 | { |
|---|
| 945 | private $registered_scripts; |
|---|
| 946 | public $inline_scripts; |
|---|
| 947 | |
|---|
| 948 | private $did_head; |
|---|
| 949 | private $head_done_scripts; |
|---|
| 950 | private $did_footer; |
|---|
| 951 | |
|---|
| 952 | private static $known_paths = array( |
|---|
| 953 | 'core.scripts' => 'themes/default/js/scripts.js', |
|---|
| 954 | 'jquery' => 'themes/default/js/jquery.min.js', |
|---|
| 955 | 'jquery.ui' => 'themes/default/js/ui/minified/jquery.ui.core.min.js', |
|---|
| 956 | 'jquery.effects' => 'themes/default/js/ui/minified/jquery.effects.core.min.js', |
|---|
| 957 | ); |
|---|
| 958 | |
|---|
| 959 | private static $ui_core_dependencies = array( |
|---|
| 960 | 'jquery.ui.widget' => array('jquery'), |
|---|
| 961 | 'jquery.ui.position' => array('jquery'), |
|---|
| 962 | 'jquery.ui.mouse' => array('jquery', 'jquery.ui', 'jquery.ui.widget'), |
|---|
| 963 | ); |
|---|
| 964 | |
|---|
| 965 | function __construct() |
|---|
| 966 | { |
|---|
| 967 | $this->clear(); |
|---|
| 968 | } |
|---|
| 969 | |
|---|
| 970 | function clear() |
|---|
| 971 | { |
|---|
| 972 | $this->registered_scripts = array(); |
|---|
| 973 | $this->inline_scripts = array(); |
|---|
| 974 | $this->head_done_scripts = array(); |
|---|
| 975 | $this->did_head = $this->did_footer = false; |
|---|
| 976 | } |
|---|
| 977 | |
|---|
| 978 | function get_all() |
|---|
| 979 | { |
|---|
| 980 | return $this->registered_scripts; |
|---|
| 981 | } |
|---|
| 982 | |
|---|
| 983 | function add_inline($code, $require) |
|---|
| 984 | { |
|---|
| 985 | !$this->did_footer || trigger_error("Attempt to add inline script but the footer has been written", E_USER_WARNING); |
|---|
| 986 | if(!empty($require)) |
|---|
| 987 | { |
|---|
| 988 | foreach ($require as $id) |
|---|
| 989 | { |
|---|
| 990 | if(!isset($this->registered_scripts[$id])) |
|---|
| 991 | $this->load_known_required_script($id, 1) or fatal_error("inline script not found require $id"); |
|---|
| 992 | $s = $this->registered_scripts[$id]; |
|---|
| 993 | if($s->load_mode==2) |
|---|
| 994 | $s->load_mode=1; // until now the implementation does not allow executing inline script depending on another async script |
|---|
| 995 | } |
|---|
| 996 | } |
|---|
| 997 | $this->inline_scripts[] = $code; |
|---|
| 998 | } |
|---|
| 999 | |
|---|
| 1000 | function add($id, $load_mode, $require, $path, $version=0) |
|---|
| 1001 | { |
|---|
| 1002 | if ($this->did_head && $load_mode==0) |
|---|
| 1003 | { |
|---|
| 1004 | trigger_error("Attempt to add script $id but the head has been written", E_USER_WARNING); |
|---|
| 1005 | } |
|---|
| 1006 | elseif ($this->did_footer) |
|---|
| 1007 | { |
|---|
| 1008 | trigger_error("Attempt to add script $id but the footer has been written", E_USER_WARNING); |
|---|
| 1009 | } |
|---|
| 1010 | if (! isset( $this->registered_scripts[$id] ) ) |
|---|
| 1011 | { |
|---|
| 1012 | $script = new Script($load_mode, $id, $path, $version, $require); |
|---|
| 1013 | self::fill_well_known($id, $script); |
|---|
| 1014 | $this->registered_scripts[$id] = $script; |
|---|
| 1015 | |
|---|
| 1016 | // Load or modify all UI core files |
|---|
| 1017 | if ($id == 'jquery.ui' and $script->path == self::$known_paths['jquery.ui']) |
|---|
| 1018 | { |
|---|
| 1019 | foreach (self::$ui_core_dependencies as $script_id => $required_ids) |
|---|
| 1020 | $this->add($script_id, $load_mode, $required_ids, null, $version); |
|---|
| 1021 | } |
|---|
| 1022 | |
|---|
| 1023 | // Try to load undefined required script |
|---|
| 1024 | foreach ($script->precedents as $script_id) |
|---|
| 1025 | { |
|---|
| 1026 | if (! isset( $this->registered_scripts[$script_id] ) ) |
|---|
| 1027 | $this->load_known_required_script($script_id, $load_mode); |
|---|
| 1028 | } |
|---|
| 1029 | } |
|---|
| 1030 | else |
|---|
| 1031 | { |
|---|
| 1032 | $script = $this->registered_scripts[$id]; |
|---|
| 1033 | if (count($require)) |
|---|
| 1034 | { |
|---|
| 1035 | $script->precedents = array_unique( array_merge($script->precedents, $require) ); |
|---|
| 1036 | } |
|---|
| 1037 | $script->set_path($path); |
|---|
| 1038 | if ($version && version_compare($script->version, $version)<0 ) |
|---|
| 1039 | $script->version = $version; |
|---|
| 1040 | if ($load_mode < $script->load_mode) |
|---|
| 1041 | $script->load_mode = $load_mode; |
|---|
| 1042 | } |
|---|
| 1043 | |
|---|
| 1044 | } |
|---|
| 1045 | |
|---|
| 1046 | function did_head() |
|---|
| 1047 | { |
|---|
| 1048 | return $this->did_head; |
|---|
| 1049 | } |
|---|
| 1050 | |
|---|
| 1051 | function get_head_scripts() |
|---|
| 1052 | { |
|---|
| 1053 | self::check_load_dep($this->registered_scripts); |
|---|
| 1054 | foreach( array_keys($this->registered_scripts) as $id ) |
|---|
| 1055 | { |
|---|
| 1056 | $this->compute_script_topological_order($id); |
|---|
| 1057 | } |
|---|
| 1058 | |
|---|
| 1059 | uasort($this->registered_scripts, array('ScriptLoader', 'cmp_by_mode_and_order')); |
|---|
| 1060 | |
|---|
| 1061 | foreach( $this->registered_scripts as $id => $script) |
|---|
| 1062 | { |
|---|
| 1063 | if ($script->load_mode > 0) |
|---|
| 1064 | break; |
|---|
| 1065 | if ( !empty($script->path) ) |
|---|
| 1066 | $this->head_done_scripts[$id] = $script; |
|---|
| 1067 | else |
|---|
| 1068 | trigger_error("Script $id has an undefined path", E_USER_WARNING); |
|---|
| 1069 | } |
|---|
| 1070 | $this->did_head = true; |
|---|
| 1071 | return self::do_combine($this->head_done_scripts, 0); |
|---|
| 1072 | } |
|---|
| 1073 | |
|---|
| 1074 | function get_footer_scripts() |
|---|
| 1075 | { |
|---|
| 1076 | if (!$this->did_head) |
|---|
| 1077 | { |
|---|
| 1078 | self::check_load_dep($this->registered_scripts); |
|---|
| 1079 | } |
|---|
| 1080 | $this->did_footer = true; |
|---|
| 1081 | $todo = array(); |
|---|
| 1082 | foreach( $this->registered_scripts as $id => $script) |
|---|
| 1083 | { |
|---|
| 1084 | if (!isset($this->head_done_scripts[$id])) |
|---|
| 1085 | { |
|---|
| 1086 | $todo[$id] = $script; |
|---|
| 1087 | } |
|---|
| 1088 | } |
|---|
| 1089 | |
|---|
| 1090 | foreach( array_keys($todo) as $id ) |
|---|
| 1091 | { |
|---|
| 1092 | $this->compute_script_topological_order($id); |
|---|
| 1093 | } |
|---|
| 1094 | |
|---|
| 1095 | uasort($todo, array('ScriptLoader', 'cmp_by_mode_and_order')); |
|---|
| 1096 | |
|---|
| 1097 | $result = array( array(), array() ); |
|---|
| 1098 | foreach( $todo as $id => $script) |
|---|
| 1099 | { |
|---|
| 1100 | $result[$script->load_mode-1][$id] = $script; |
|---|
| 1101 | } |
|---|
| 1102 | return array( self::do_combine($result[0],1), self::do_combine($result[1],2) ); |
|---|
| 1103 | } |
|---|
| 1104 | |
|---|
| 1105 | private static function do_combine($scripts, $load_mode) |
|---|
| 1106 | { |
|---|
| 1107 | global $conf; |
|---|
| 1108 | if (count($scripts)<2 or !$conf['template_combine_files']) |
|---|
| 1109 | return $scripts; |
|---|
| 1110 | $combiner = new FileCombiner('js'); |
|---|
| 1111 | $result = array(); |
|---|
| 1112 | foreach ($scripts as $script) |
|---|
| 1113 | { |
|---|
| 1114 | if ($script->is_remote()) |
|---|
| 1115 | { |
|---|
| 1116 | if ( $combiner->combine( $out_file, $out_version) ) |
|---|
| 1117 | { |
|---|
| 1118 | $results[] = new Script($load_mode, 'combi', $out_file, $out_version, array() ); |
|---|
| 1119 | } |
|---|
| 1120 | $results[] = $script; |
|---|
| 1121 | } |
|---|
| 1122 | else |
|---|
| 1123 | $combiner->add( $script->path, $script->version ); |
|---|
| 1124 | } |
|---|
| 1125 | if ( $combiner->combine( $out_file, $out_version) ) |
|---|
| 1126 | { |
|---|
| 1127 | $results[] = new Script($load_mode, 'combi', $out_file, $out_version, array() ); |
|---|
| 1128 | } |
|---|
| 1129 | return $results; |
|---|
| 1130 | } |
|---|
| 1131 | |
|---|
| 1132 | // checks that if B depends on A, then B->load_mode >= A->load_mode in order to respect execution order |
|---|
| 1133 | private static function check_load_dep($scripts) |
|---|
| 1134 | { |
|---|
| 1135 | global $conf; |
|---|
| 1136 | do |
|---|
| 1137 | { |
|---|
| 1138 | $changed = false; |
|---|
| 1139 | foreach( $scripts as $id => $script) |
|---|
| 1140 | { |
|---|
| 1141 | $load = $script->load_mode; |
|---|
| 1142 | foreach( $script->precedents as $precedent) |
|---|
| 1143 | { |
|---|
| 1144 | if ( !isset($scripts[$precedent] ) ) |
|---|
| 1145 | continue; |
|---|
| 1146 | if ( $scripts[$precedent]->load_mode > $load ) |
|---|
| 1147 | { |
|---|
| 1148 | $scripts[$precedent]->load_mode = $load; |
|---|
| 1149 | $changed = true; |
|---|
| 1150 | } |
|---|
| 1151 | if ($load==2 && $scripts[$precedent]->load_mode==2 && ($scripts[$precedent]->is_remote() or !$conf['template_combine_files']) ) |
|---|
| 1152 | {// we are async -> a predecessor cannot be async unlesss it can be merged; otherwise script execution order is not guaranteed |
|---|
| 1153 | $scripts[$precedent]->load_mode = 1; |
|---|
| 1154 | $changed = true; |
|---|
| 1155 | } |
|---|
| 1156 | } |
|---|
| 1157 | } |
|---|
| 1158 | } |
|---|
| 1159 | while ($changed); |
|---|
| 1160 | } |
|---|
| 1161 | |
|---|
| 1162 | |
|---|
| 1163 | private static function fill_well_known($id, $script) |
|---|
| 1164 | { |
|---|
| 1165 | if ( empty($script->path) && isset(self::$known_paths[$id])) |
|---|
| 1166 | { |
|---|
| 1167 | $script->path = self::$known_paths[$id]; |
|---|
| 1168 | } |
|---|
| 1169 | if ( strncmp($id, 'jquery.', 7)==0 ) |
|---|
| 1170 | { |
|---|
| 1171 | $required_ids = array('jquery'); |
|---|
| 1172 | |
|---|
| 1173 | if ( strncmp($id, 'jquery.ui.', 10)==0 ) |
|---|
| 1174 | { |
|---|
| 1175 | if ( !isset(self::$ui_core_dependencies[$id]) ) |
|---|
| 1176 | $required_ids = array_merge(array('jquery', 'jquery.ui'), array_keys(self::$ui_core_dependencies)); |
|---|
| 1177 | |
|---|
| 1178 | if ( empty($script->path) ) |
|---|
| 1179 | $script->path = dirname(self::$known_paths['jquery.ui'])."/$id.min.js"; |
|---|
| 1180 | } |
|---|
| 1181 | elseif ( strncmp($id, 'jquery.effects.', 15)==0 ) |
|---|
| 1182 | { |
|---|
| 1183 | $required_ids = array('jquery', 'jquery.effects'); |
|---|
| 1184 | |
|---|
| 1185 | if ( empty($script->path) ) |
|---|
| 1186 | $script->path = dirname(self::$known_paths['jquery.effects'])."/$id.min.js"; |
|---|
| 1187 | } |
|---|
| 1188 | |
|---|
| 1189 | foreach ($required_ids as $required_id) |
|---|
| 1190 | { |
|---|
| 1191 | if ( !in_array($required_id, $script->precedents ) ) |
|---|
| 1192 | $script->precedents[] = $required_id; |
|---|
| 1193 | } |
|---|
| 1194 | } |
|---|
| 1195 | } |
|---|
| 1196 | |
|---|
| 1197 | private function load_known_required_script($id, $load_mode) |
|---|
| 1198 | { |
|---|
| 1199 | if ( isset(self::$known_paths[$id]) or strncmp($id, 'jquery.ui.', 10)==0 or strncmp($id, 'jquery.effects.', 15)==0 ) |
|---|
| 1200 | { |
|---|
| 1201 | $this->add($id, $load_mode, array(), null); |
|---|
| 1202 | return true; |
|---|
| 1203 | } |
|---|
| 1204 | return false; |
|---|
| 1205 | } |
|---|
| 1206 | |
|---|
| 1207 | private function compute_script_topological_order($script_id, $recursion_limiter=0) |
|---|
| 1208 | { |
|---|
| 1209 | if (!isset($this->registered_scripts[$script_id])) |
|---|
| 1210 | { |
|---|
| 1211 | trigger_error("Undefined script $script_id is required by someone", E_USER_WARNING); |
|---|
| 1212 | return 0; |
|---|
| 1213 | } |
|---|
| 1214 | $recursion_limiter<5 or fatal_error("combined script circular dependency"); |
|---|
| 1215 | $script = $this->registered_scripts[$script_id]; |
|---|
| 1216 | if (isset($script->extra['order'])) |
|---|
| 1217 | return $script->extra['order']; |
|---|
| 1218 | if (count($script->precedents) == 0) |
|---|
| 1219 | return ($script->extra['order'] = 0); |
|---|
| 1220 | $max = 0; |
|---|
| 1221 | foreach( $script->precedents as $precedent) |
|---|
| 1222 | $max = max($max, $this->compute_script_topological_order($precedent, $recursion_limiter+1) ); |
|---|
| 1223 | $max++; |
|---|
| 1224 | return ($script->extra['order'] = $max); |
|---|
| 1225 | } |
|---|
| 1226 | |
|---|
| 1227 | private static function cmp_by_mode_and_order($s1, $s2) |
|---|
| 1228 | { |
|---|
| 1229 | $ret = $s1->load_mode - $s2->load_mode; |
|---|
| 1230 | if ($ret) return $ret; |
|---|
| 1231 | |
|---|
| 1232 | $ret = $s1->extra['order'] - $s2->extra['order']; |
|---|
| 1233 | if ($ret) return $ret; |
|---|
| 1234 | |
|---|
| 1235 | if ($s1->extra['order']==0 and ($s1->is_remote() xor $s2->is_remote()) ) |
|---|
| 1236 | { |
|---|
| 1237 | return $s1->is_remote() ? -1 : 1; |
|---|
| 1238 | } |
|---|
| 1239 | return strcmp($s1->id,$s2->id); |
|---|
| 1240 | } |
|---|
| 1241 | } |
|---|
| 1242 | |
|---|
| 1243 | |
|---|
| 1244 | /*Allows merging of javascript and css files into a single one.*/ |
|---|
| 1245 | final class FileCombiner |
|---|
| 1246 | { |
|---|
| 1247 | private $type; // js or css |
|---|
| 1248 | private $files = array(); |
|---|
| 1249 | private $versions = array(); |
|---|
| 1250 | |
|---|
| 1251 | function FileCombiner($type) |
|---|
| 1252 | { |
|---|
| 1253 | $this->type = $type; |
|---|
| 1254 | } |
|---|
| 1255 | |
|---|
| 1256 | static function clear_combined_files() |
|---|
| 1257 | { |
|---|
| 1258 | $dir = opendir(PHPWG_ROOT_PATH.PWG_COMBINED_DIR); |
|---|
| 1259 | while ($file = readdir($dir)) |
|---|
| 1260 | { |
|---|
| 1261 | if ( get_extension($file)=='js' || get_extension($file)=='css') |
|---|
| 1262 | unlink(PHPWG_ROOT_PATH.PWG_COMBINED_DIR.$file); |
|---|
| 1263 | } |
|---|
| 1264 | closedir($dir); |
|---|
| 1265 | } |
|---|
| 1266 | |
|---|
| 1267 | function add($file, $version) |
|---|
| 1268 | { |
|---|
| 1269 | $this->files[] = $file; |
|---|
| 1270 | $this->versions[] = $version; |
|---|
| 1271 | } |
|---|
| 1272 | |
|---|
| 1273 | function clear() |
|---|
| 1274 | { |
|---|
| 1275 | $this->files = array(); |
|---|
| 1276 | $this->versions = array(); |
|---|
| 1277 | } |
|---|
| 1278 | |
|---|
| 1279 | function combine(&$out_file, &$out_version) |
|---|
| 1280 | { |
|---|
| 1281 | if (count($this->files) == 0) |
|---|
| 1282 | { |
|---|
| 1283 | return false; |
|---|
| 1284 | } |
|---|
| 1285 | if (count($this->files) == 1) |
|---|
| 1286 | { |
|---|
| 1287 | $out_file = $this->files[0]; |
|---|
| 1288 | $out_version = $this->versions[0]; |
|---|
| 1289 | $this->clear(); |
|---|
| 1290 | return 1; |
|---|
| 1291 | } |
|---|
| 1292 | |
|---|
| 1293 | $is_css = $this->type == "css"; |
|---|
| 1294 | global $conf; |
|---|
| 1295 | $key = array(); |
|---|
| 1296 | if ($is_css) |
|---|
| 1297 | $key[] = get_absolute_root_url(false);//because we modify bg url |
|---|
| 1298 | for ($i=0; $i<count($this->files); $i++) |
|---|
| 1299 | { |
|---|
| 1300 | $key[] = $this->files[$i]; |
|---|
| 1301 | $key[] = $this->versions[$i]; |
|---|
| 1302 | if ($conf['template_compile_check']) $key[] = filemtime( PHPWG_ROOT_PATH . $this->files[$i] ); |
|---|
| 1303 | } |
|---|
| 1304 | $key = join('>', $key); |
|---|
| 1305 | |
|---|
| 1306 | $file = base_convert(crc32($key),10,36); |
|---|
| 1307 | $file = PWG_COMBINED_DIR . $file . '.' . $this->type; |
|---|
| 1308 | |
|---|
| 1309 | $exists = file_exists( PHPWG_ROOT_PATH . $file ); |
|---|
| 1310 | if ($exists) |
|---|
| 1311 | { |
|---|
| 1312 | $is_reload = |
|---|
| 1313 | (isset($_SERVER['HTTP_CACHE_CONTROL']) && strpos($_SERVER['HTTP_CACHE_CONTROL'], 'max-age=0') !== false) |
|---|
| 1314 | || (isset($_SERVER['HTTP_PRAGMA']) && strpos($_SERVER['HTTP_PRAGMA'], 'no-cache')); |
|---|
| 1315 | if (is_admin() && $is_reload) |
|---|
| 1316 | {// the user pressed F5 in the browser |
|---|
| 1317 | if ($is_css || $conf['template_compile_check']==false) |
|---|
| 1318 | $exists = false; // we foce regeneration of css because @import sub-files are never checked for modification |
|---|
| 1319 | } |
|---|
| 1320 | } |
|---|
| 1321 | |
|---|
| 1322 | if ($exists) |
|---|
| 1323 | { |
|---|
| 1324 | $out_file = $file; |
|---|
| 1325 | $out_version = false; |
|---|
| 1326 | $this->clear(); |
|---|
| 1327 | return 2; |
|---|
| 1328 | } |
|---|
| 1329 | |
|---|
| 1330 | $output = ''; |
|---|
| 1331 | foreach ($this->files as $input_file) |
|---|
| 1332 | { |
|---|
| 1333 | $output .= "/*BEGIN $input_file */\n"; |
|---|
| 1334 | if ($is_css) |
|---|
| 1335 | $output .= self::process_css($input_file); |
|---|
| 1336 | else |
|---|
| 1337 | $output .= self::process_js($input_file); |
|---|
| 1338 | $output .= "\n"; |
|---|
| 1339 | } |
|---|
| 1340 | |
|---|
| 1341 | file_put_contents( PHPWG_ROOT_PATH . $file, $output ); |
|---|
| 1342 | $out_file = $file; |
|---|
| 1343 | $out_version = false; |
|---|
| 1344 | $this->clear(); |
|---|
| 1345 | return 2; |
|---|
| 1346 | } |
|---|
| 1347 | |
|---|
| 1348 | private static function process_js($file) |
|---|
| 1349 | { |
|---|
| 1350 | $js = file_get_contents(PHPWG_ROOT_PATH . $file); |
|---|
| 1351 | if (strpos($file, '.min')===false and strpos($file, '.packed')===false ) |
|---|
| 1352 | { |
|---|
| 1353 | require_once(PHPWG_ROOT_PATH.'include/jsmin.class.php'); |
|---|
| 1354 | try { $js = JSMin::minify($js); } catch(Exception $e) {} |
|---|
| 1355 | } |
|---|
| 1356 | return trim($js, " \t\r\n;").";\n"; |
|---|
| 1357 | } |
|---|
| 1358 | |
|---|
| 1359 | private static function process_css($file) |
|---|
| 1360 | { |
|---|
| 1361 | $css = self::process_css_rec($file); |
|---|
| 1362 | require_once(PHPWG_ROOT_PATH.'include/cssmin.class.php'); |
|---|
| 1363 | $css = CssMin::minify($css, array('Variables'=>false)); |
|---|
| 1364 | $css = trigger_event('combined_css_postfilter', $css); |
|---|
| 1365 | return $css; |
|---|
| 1366 | } |
|---|
| 1367 | |
|---|
| 1368 | private static function process_css_rec($file) |
|---|
| 1369 | { |
|---|
| 1370 | static $PATTERN = "#url\(\s*['|\"]{0,1}(.*?)['|\"]{0,1}\s*\)#"; |
|---|
| 1371 | $css = file_get_contents(PHPWG_ROOT_PATH . $file); |
|---|
| 1372 | if (preg_match_all($PATTERN, $css, $matches, PREG_SET_ORDER)) |
|---|
| 1373 | { |
|---|
| 1374 | $search = $replace = array(); |
|---|
| 1375 | foreach ($matches as $match) |
|---|
| 1376 | { |
|---|
| 1377 | if ( !url_is_remote($match[1]) && $match[1][0] != '/') |
|---|
| 1378 | { |
|---|
| 1379 | $relative = dirname($file) . "/$match[1]"; |
|---|
| 1380 | $search[] = $match[0]; |
|---|
| 1381 | $replace[] = 'url('.embellish_url(get_absolute_root_url(false).$relative).')'; |
|---|
| 1382 | } |
|---|
| 1383 | } |
|---|
| 1384 | $css = str_replace($search, $replace, $css); |
|---|
| 1385 | } |
|---|
| 1386 | |
|---|
| 1387 | $imports = preg_match_all("#@import\s*['|\"]{0,1}(.*?)['|\"]{0,1};#", $css, $matches, PREG_SET_ORDER); |
|---|
| 1388 | if ($imports) |
|---|
| 1389 | { |
|---|
| 1390 | $search = $replace = array(); |
|---|
| 1391 | foreach ($matches as $match) |
|---|
| 1392 | { |
|---|
| 1393 | $search[] = $match[0]; |
|---|
| 1394 | $replace[] = self::process_css_rec(dirname($file) . "/$match[1]"); |
|---|
| 1395 | } |
|---|
| 1396 | $css = str_replace($search, $replace, $css); |
|---|
| 1397 | } |
|---|
| 1398 | return $css; |
|---|
| 1399 | } |
|---|
| 1400 | } |
|---|
| 1401 | |
|---|
| 1402 | ?> |
|---|