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) 2008-2013 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 | define('BUTTONS_RANK_NEUTRAL', 50); |
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25 | |
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26 | class Template { |
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27 | |
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28 | var $smarty; |
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29 | |
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30 | var $output = ''; |
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31 | |
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32 | // Hash of filenames for each template handle. |
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33 | var $files = array(); |
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34 | |
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35 | // Template extents filenames for each template handle. |
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36 | var $extents = array(); |
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37 | |
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38 | // Templates prefilter from external sources (plugins) |
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39 | var $external_filters = array(); |
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40 | |
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41 | // used by html_head smarty block to add content before </head> |
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42 | var $html_head_elements = array(); |
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43 | private $html_style = ''; |
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44 | |
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45 | const COMBINED_SCRIPTS_TAG = '<!-- COMBINED_SCRIPTS -->'; |
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46 | var $scriptLoader; |
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47 | |
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48 | const COMBINED_CSS_TAG = '<!-- COMBINED_CSS -->'; |
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49 | var $css_by_priority = array(); |
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50 | |
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51 | var $picture_buttons = array(); |
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52 | var $index_buttons = array(); |
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53 | |
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54 | function Template($root = ".", $theme= "", $path = "template") |
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55 | { |
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56 | global $conf, $lang_info; |
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57 | |
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58 | SmartyException::$escape = false; |
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59 | |
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60 | $this->scriptLoader = new ScriptLoader; |
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61 | $this->smarty = new SmartyBC; |
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62 | $this->smarty->debugging = $conf['debug_template']; |
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63 | if (!$this->smarty->debugging) |
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64 | $this->smarty->error_reporting = error_reporting() & ~E_NOTICE; |
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65 | $this->smarty->compile_check = $conf['template_compile_check']; |
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66 | $this->smarty->force_compile = $conf['template_force_compile']; |
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67 | |
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68 | if (!isset($conf['data_dir_checked'])) |
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69 | { |
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70 | $dir = PHPWG_ROOT_PATH.$conf['data_location']; |
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71 | mkgetdir($dir, MKGETDIR_DEFAULT&~MKGETDIR_DIE_ON_ERROR); |
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72 | if (!is_writable($dir)) |
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73 | { |
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74 | load_language('admin.lang'); |
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75 | fatal_error( |
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76 | l10n( |
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77 | 'Give write access (chmod 777) to "%s" directory at the root of your Piwigo installation', |
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78 | $conf['data_location'] |
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79 | ), |
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80 | l10n('an error happened'), |
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81 | false // show trace |
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82 | ); |
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83 | } |
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84 | if (function_exists('pwg_query')) { |
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85 | conf_update_param('data_dir_checked', 1); |
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86 | } |
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87 | } |
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88 | |
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89 | $compile_dir = PHPWG_ROOT_PATH.$conf['data_location'].'templates_c'; |
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90 | mkgetdir( $compile_dir ); |
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91 | |
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92 | $this->smarty->setCompileDir($compile_dir); |
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93 | |
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94 | $this->smarty->assign( 'pwg', new PwgTemplateAdapter() ); |
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95 | $this->smarty->registerPlugin('modifiercompiler', 'translate', array('Template', 'modcompiler_translate') ); |
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96 | $this->smarty->registerPlugin('modifiercompiler', 'translate_dec', array('Template', 'modcompiler_translate_dec') ); |
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97 | $this->smarty->registerPlugin('modifier', 'explode', array('Template', 'mod_explode') ); |
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98 | $this->smarty->registerPlugin('modifier', 'get_extent', array($this, 'get_extent') ); |
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99 | $this->smarty->registerPlugin('block', 'html_head', array($this, 'block_html_head') ); |
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100 | $this->smarty->registerPlugin('block', 'html_style', array($this, 'block_html_style') ); |
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101 | $this->smarty->registerPlugin('function', 'combine_script', array($this, 'func_combine_script') ); |
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102 | $this->smarty->registerPlugin('function', 'get_combined_scripts', array($this, 'func_get_combined_scripts') ); |
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103 | $this->smarty->registerPlugin('function', 'combine_css', array($this, 'func_combine_css') ); |
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104 | $this->smarty->registerPlugin('function', 'define_derivative', array($this, 'func_define_derivative') ); |
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105 | $this->smarty->registerPlugin('compiler', 'get_combined_css', array($this, 'func_get_combined_css') ); |
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106 | $this->smarty->registerPlugin('block', 'footer_script', array($this, 'block_footer_script') ); |
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107 | $this->smarty->registerFilter('pre', array('Template', 'prefilter_white_space') ); |
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108 | if ( $conf['compiled_template_cache_language'] ) |
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109 | { |
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110 | $this->smarty->registerFilter('post', array('Template', 'postfilter_language') ); |
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111 | } |
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112 | |
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113 | $this->smarty->setTemplateDir(array()); |
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114 | if ( !empty($theme) ) |
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115 | { |
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116 | $this->set_theme($root, $theme, $path); |
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117 | if (!defined('IN_ADMIN')) |
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118 | { |
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119 | $this->set_prefilter( 'header', array('Template', 'prefilter_local_css') ); |
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120 | } |
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121 | } |
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122 | else |
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123 | $this->set_template_dir($root); |
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124 | |
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125 | $this->smarty->assign('lang_info', $lang_info); |
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126 | |
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127 | if (!defined('IN_ADMIN') and isset($conf['extents_for_templates'])) |
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128 | { |
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129 | $tpl_extents = unserialize($conf['extents_for_templates']); |
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130 | $this->set_extents($tpl_extents, './template-extension/', true, $theme); |
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131 | } |
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132 | } |
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133 | |
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134 | /** |
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135 | * Load theme's parameters. |
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136 | */ |
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137 | function set_theme($root, $theme, $path, $load_css=true, $load_local_head=true) |
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138 | { |
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139 | $this->set_template_dir($root.'/'.$theme.'/'.$path); |
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140 | |
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141 | $themeconf = $this->load_themeconf($root.'/'.$theme); |
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142 | |
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143 | if (isset($themeconf['parent']) and $themeconf['parent'] != $theme) |
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144 | { |
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145 | $this->set_theme( |
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146 | $root, |
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147 | $themeconf['parent'], |
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148 | $path, |
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149 | isset($themeconf['load_parent_css']) ? $themeconf['load_parent_css'] : $load_css, |
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150 | isset($themeconf['load_parent_local_head']) ? $themeconf['load_parent_local_head'] : $load_local_head |
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151 | ); |
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152 | } |
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153 | |
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154 | $tpl_var = array( |
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155 | 'id' => $theme, |
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156 | 'load_css' => $load_css, |
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157 | ); |
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158 | if (!empty($themeconf['local_head']) and $load_local_head) |
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159 | { |
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160 | $tpl_var['local_head'] = realpath($root.'/'.$theme.'/'.$themeconf['local_head'] ); |
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161 | } |
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162 | $themeconf['id'] = $theme; |
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163 | $this->smarty->append('themes', $tpl_var); |
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164 | $this->smarty->append('themeconf', $themeconf, true); |
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165 | } |
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166 | |
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167 | /** |
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168 | * Add template directory for this Template object. |
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169 | * Set compile id if not exists. |
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170 | */ |
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171 | function set_template_dir($dir) |
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172 | { |
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173 | $this->smarty->addTemplateDir($dir); |
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174 | |
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175 | if (!isset($this->smarty->compile_id)) |
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176 | { |
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177 | $compile_id = "1"; |
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178 | $compile_id .= ($real_dir = realpath($dir))===false ? $dir : $real_dir; |
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179 | $this->smarty->compile_id = base_convert(crc32($compile_id), 10, 36 ); |
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180 | } |
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181 | } |
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182 | |
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183 | /** |
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184 | * Gets the template root directory for this Template object. |
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185 | */ |
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186 | function get_template_dir() |
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187 | { |
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188 | return $this->smarty->getTemplateDir(); |
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189 | } |
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190 | |
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191 | /** |
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192 | * Deletes all compiled templates. |
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193 | */ |
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194 | function delete_compiled_templates() |
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195 | { |
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196 | $save_compile_id = $this->smarty->compile_id; |
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197 | $this->smarty->compile_id = null; |
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198 | $this->smarty->clearCompiledTemplate(); |
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199 | $this->smarty->compile_id = $save_compile_id; |
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200 | file_put_contents($this->smarty->getCompileDir().'/index.htm', 'Not allowed!'); |
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201 | } |
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202 | |
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203 | function get_themeconf($val) |
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204 | { |
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205 | $tc = $this->smarty->getTemplateVars('themeconf'); |
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206 | return isset($tc[$val]) ? $tc[$val] : ''; |
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207 | } |
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208 | |
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209 | /** |
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210 | * Sets the template filename for handle. |
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211 | */ |
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212 | function set_filename($handle, $filename) |
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213 | { |
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214 | return $this->set_filenames( array($handle=>$filename) ); |
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215 | } |
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216 | |
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217 | /** |
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218 | * Sets the template filenames for handles. $filename_array should be a |
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219 | * hash of handle => filename pairs. |
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220 | */ |
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221 | function set_filenames($filename_array) |
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222 | { |
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223 | if (!is_array($filename_array)) |
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224 | { |
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225 | return false; |
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226 | } |
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227 | reset($filename_array); |
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228 | while(list($handle, $filename) = each($filename_array)) |
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229 | { |
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230 | if (is_null($filename)) |
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231 | { |
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232 | unset($this->files[$handle]); |
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233 | } |
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234 | else |
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235 | { |
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236 | $this->files[$handle] = $this->get_extent($filename, $handle); |
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237 | } |
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238 | } |
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239 | return true; |
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240 | } |
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241 | |
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242 | /** |
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243 | * Sets template extention filename for handles. |
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244 | */ |
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245 | function set_extent($filename, $param, $dir='', $overwrite=true, $theme='N/A') |
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246 | { |
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247 | return $this->set_extents(array($filename => $param), $dir, $overwrite); |
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248 | } |
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249 | |
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250 | /** |
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251 | * Sets template extentions filenames for handles. |
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252 | * $filename_array should be an hash of filename => array( handle, param) or filename => handle |
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253 | */ |
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254 | function set_extents($filename_array, $dir='', $overwrite=true, $theme='N/A') |
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255 | { |
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256 | if (!is_array($filename_array)) |
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257 | { |
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258 | return false; |
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259 | } |
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260 | foreach ($filename_array as $filename => $value) |
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261 | { |
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262 | if (is_array($value)) |
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263 | { |
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264 | $handle = $value[0]; |
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265 | $param = $value[1]; |
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266 | $thm = $value[2]; |
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267 | } |
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268 | elseif (is_string($value)) |
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269 | { |
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270 | $handle = $value; |
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271 | $param = 'N/A'; |
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272 | $thm = 'N/A'; |
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273 | } |
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274 | else |
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275 | { |
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276 | return false; |
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277 | } |
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278 | |
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279 | if ((stripos(implode('',array_keys($_GET)), '/'.$param) !== false or $param == 'N/A') |
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280 | and ($thm == $theme or $thm == 'N/A') |
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281 | and (!isset($this->extents[$handle]) or $overwrite) |
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282 | and file_exists($dir . $filename)) |
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283 | { |
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284 | $this->extents[$handle] = realpath($dir . $filename); |
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285 | } |
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286 | } |
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287 | return true; |
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288 | } |
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289 | |
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290 | /** return template extension if exists */ |
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291 | function get_extent($filename='', $handle='') |
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292 | { |
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293 | if (isset($this->extents[$handle])) |
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294 | { |
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295 | $filename = $this->extents[$handle]; |
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296 | } |
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297 | return $filename; |
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298 | } |
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299 | |
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300 | /** see smarty assign http://www.smarty.net/manual/en/api.assign.php */ |
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301 | function assign($tpl_var, $value = null) |
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302 | { |
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303 | $this->smarty->assign( $tpl_var, $value ); |
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304 | } |
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305 | |
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306 | /** |
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307 | * Inserts the uncompiled code for $handle as the value of $varname in the |
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308 | * root-level. This can be used to effectively include a template in the |
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309 | * middle of another template. |
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310 | * This is equivalent to assign($varname, $this->parse($handle, true)) |
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311 | */ |
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312 | function assign_var_from_handle($varname, $handle) |
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313 | { |
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314 | $this->assign($varname, $this->parse($handle, true)); |
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315 | return true; |
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316 | } |
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317 | |
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318 | /** see smarty append http://www.smarty.net/manual/en/api.append.php */ |
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319 | function append($tpl_var, $value=null, $merge=false) |
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320 | { |
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321 | $this->smarty->append( $tpl_var, $value, $merge ); |
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322 | } |
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323 | |
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324 | /** |
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325 | * Root-level variable concatenation. Appends a string to an existing |
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326 | * variable assignment with the same name. |
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327 | */ |
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328 | function concat($tpl_var, $value) |
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329 | { |
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330 | $this->assign($tpl_var, |
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331 | $this->smarty->getTemplateVars($tpl_var) . $value); |
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332 | } |
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333 | |
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334 | /** see smarty append http://www.smarty.net/manual/en/api.clear_assign.php */ |
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335 | function clear_assign($tpl_var) |
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336 | { |
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337 | $this->smarty->clearAssign( $tpl_var ); |
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338 | } |
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339 | |
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340 | /** see smarty get_template_vars http://www.smarty.net/manual/en/api.get_template_vars.php */ |
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341 | function get_template_vars($name=null) |
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342 | { |
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343 | return $this->smarty->getTemplateVars( $name ); |
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344 | } |
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345 | |
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346 | |
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347 | /** |
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348 | * Load the file for the handle, eventually compile the file and run the compiled |
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349 | * code. This will add the output to the results or return the result if $return |
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350 | * is true. |
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351 | */ |
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352 | function parse($handle, $return=false) |
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353 | { |
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354 | if ( !isset($this->files[$handle]) ) |
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355 | { |
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356 | fatal_error("Template->parse(): Couldn't load template file for handle $handle"); |
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357 | } |
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358 | |
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359 | $this->smarty->assign( 'ROOT_URL', get_root_url() ); |
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360 | |
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361 | $save_compile_id = $this->smarty->compile_id; |
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362 | $this->load_external_filters($handle); |
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363 | |
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364 | global $conf, $lang_info; |
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365 | if ( $conf['compiled_template_cache_language'] and isset($lang_info['code']) ) |
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366 | { |
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367 | $this->smarty->compile_id .= '_'.$lang_info['code']; |
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368 | } |
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369 | |
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370 | $v = $this->smarty->fetch($this->files[$handle]); |
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371 | |
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372 | $this->smarty->compile_id = $save_compile_id; |
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373 | $this->unload_external_filters($handle); |
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374 | |
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375 | if ($return) |
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376 | { |
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377 | return $v; |
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378 | } |
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379 | $this->output .= $v; |
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380 | } |
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381 | |
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382 | /** |
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383 | * Load the file for the handle, eventually compile the file and run the compiled |
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384 | * code. This will print out the results of executing the template. |
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385 | */ |
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386 | function pparse($handle) |
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387 | { |
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388 | $this->parse($handle, false); |
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389 | $this->flush(); |
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390 | } |
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391 | |
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392 | function flush() |
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393 | { |
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394 | if (!$this->scriptLoader->did_head()) |
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395 | { |
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396 | $pos = strpos( $this->output, self::COMBINED_SCRIPTS_TAG ); |
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397 | if ($pos !== false) |
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398 | { |
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399 | $scripts = $this->scriptLoader->get_head_scripts(); |
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400 | $content = array(); |
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401 | foreach ($scripts as $script) |
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402 | { |
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403 | $content[]= |
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404 | '<script type="text/javascript" src="' |
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405 | . self::make_script_src($script) |
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406 | .'"></script>'; |
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407 | } |
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408 | |
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409 | $this->output = substr_replace( $this->output, implode( "\n", $content ), $pos, strlen(self::COMBINED_SCRIPTS_TAG) ); |
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410 | } //else maybe error or warning ? |
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411 | } |
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412 | |
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413 | if(!empty($this->css_by_priority)) |
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414 | { |
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415 | ksort($this->css_by_priority); |
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416 | |
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417 | global $conf; |
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418 | $combiner = new FileCombiner('css'); |
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419 | foreach ($this->css_by_priority as $files) |
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420 | { |
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421 | foreach ($files as $combi) |
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422 | $combiner->add( $combi ); |
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423 | } |
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424 | $css = $combiner->combine(); |
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425 | |
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426 | $content = array(); |
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427 | foreach( $css as $combi ) |
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428 | { |
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429 | $href = embellish_url(get_root_url().$combi->path); |
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430 | if ($combi->version !== false) |
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431 | $href .= '?v' . ($combi->version ? $combi->version : PHPWG_VERSION); |
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432 | // trigger the event for eventual use of a cdn |
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433 | $href = trigger_event('combined_css', $href, $combi); |
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434 | $content[] = '<link rel="stylesheet" type="text/css" href="'.$href.'">'; |
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435 | } |
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436 | $this->output = str_replace(self::COMBINED_CSS_TAG, |
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437 | implode( "\n", $content ), |
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438 | $this->output ); |
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439 | $this->css_by_priority = array(); |
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440 | } |
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441 | |
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442 | if ( count($this->html_head_elements) || strlen($this->html_style) ) |
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443 | { |
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444 | $search = "\n</head>"; |
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445 | $pos = strpos( $this->output, $search ); |
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446 | if ($pos !== false) |
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447 | { |
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448 | $rep = "\n".implode( "\n", $this->html_head_elements ); |
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449 | if (strlen($this->html_style)) |
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450 | { |
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451 | $rep.='<style type="text/css">'.$this->html_style.'</style>'; |
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452 | } |
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453 | $this->output = substr_replace( $this->output, $rep, $pos, 0 ); |
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454 | } //else maybe error or warning ? |
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455 | $this->html_head_elements = array(); |
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456 | $this->html_style = ''; |
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457 | } |
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458 | |
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459 | echo $this->output; |
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460 | $this->output=''; |
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461 | } |
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462 | |
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463 | /** flushes the output */ |
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464 | function p() |
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465 | { |
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466 | $this->flush(); |
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467 | |
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468 | if ($this->smarty->debugging) |
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469 | { |
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470 | global $t2; |
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471 | $this->smarty->assign( |
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472 | array( |
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473 | 'AAAA_DEBUG_TOTAL_TIME__' => get_elapsed_time($t2, get_moment()) |
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474 | ) |
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475 | ); |
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476 | Smarty_Internal_Debug::display_debug($this->smarty); |
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477 | } |
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478 | } |
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479 | |
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480 | static function get_php_str_val($str) |
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481 | { |
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482 | if (is_string($str) && strlen($str)>1) |
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483 | { |
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484 | if ( ($str[0]=='\'' && $str[strlen($str)-1]=='\'') |
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485 | || ($str[0]=='"' && $str[strlen($str)-1]=='"')) |
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486 | { |
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487 | eval('$tmp='.$str.';'); |
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488 | return $tmp; |
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489 | } |
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490 | } |
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491 | return null; |
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492 | } |
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493 | |
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494 | /** |
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495 | * translate variable modifier - translates a text to the currently loaded language |
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496 | */ |
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497 | static function modcompiler_translate($params) |
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498 | { |
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499 | global $conf, $lang; |
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500 | |
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501 | switch (count($params)) |
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502 | { |
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503 | case 1: |
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504 | if ($conf['compiled_template_cache_language'] |
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505 | && ($key=self::get_php_str_val($params[0])) !== null |
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506 | && isset($lang[$key]) |
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507 | ) { |
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508 | return var_export($lang[$key], true); |
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509 | } |
---|
510 | return 'l10n('.$params[0].')'; |
---|
511 | |
---|
512 | default: |
---|
513 | if ($conf['compiled_template_cache_language']) |
---|
514 | { |
---|
515 | $ret = 'sprintf('; |
---|
516 | $ret .= self::modcompiler_translate( array($params[0]) ); |
---|
517 | $ret .= ','. implode(',', array_slice($params, 1)); |
---|
518 | $ret .= ')'; |
---|
519 | return $ret; |
---|
520 | } |
---|
521 | return 'l10n('.$params[0].','.implode(',', array_slice($params, 1)).')'; |
---|
522 | } |
---|
523 | } |
---|
524 | |
---|
525 | static function modcompiler_translate_dec($params) |
---|
526 | { |
---|
527 | global $conf, $lang, $lang_info; |
---|
528 | if ($conf['compiled_template_cache_language']) |
---|
529 | { |
---|
530 | $ret = 'sprintf('; |
---|
531 | if ($lang_info['zero_plural']) |
---|
532 | { |
---|
533 | $ret .= '($tmp=('.$params[0].'))>1||$tmp==0'; |
---|
534 | } |
---|
535 | else |
---|
536 | { |
---|
537 | $ret .= '($tmp=('.$params[0].'))>1'; |
---|
538 | } |
---|
539 | $ret .= '?'; |
---|
540 | $ret .= self::modcompiler_translate( array($params[2]) ); |
---|
541 | $ret .= ':'; |
---|
542 | $ret .= self::modcompiler_translate( array($params[1]) ); |
---|
543 | $ret .= ',$tmp'; |
---|
544 | $ret .= ')'; |
---|
545 | return $ret; |
---|
546 | } |
---|
547 | return 'l10n_dec('.$params[1].','.$params[2].','.$params[0].')'; |
---|
548 | } |
---|
549 | |
---|
550 | /** |
---|
551 | * explode variable modifier - similar to php explode |
---|
552 | * 'Yes;No'|@explode:';' -> array('Yes', 'No') |
---|
553 | */ |
---|
554 | static function mod_explode($text, $delimiter=',') |
---|
555 | { |
---|
556 | return explode($delimiter, $text); |
---|
557 | } |
---|
558 | |
---|
559 | /** |
---|
560 | * This smarty "html_head" block allows to add content just before |
---|
561 | * </head> element in the output after the head has been parsed. This is |
---|
562 | * handy in order to respect strict standards when <style> and <link> |
---|
563 | * html elements must appear in the <head> element |
---|
564 | */ |
---|
565 | function block_html_head($params, $content) |
---|
566 | { |
---|
567 | $content = trim($content); |
---|
568 | if ( !empty($content) ) |
---|
569 | { // second call |
---|
570 | $this->html_head_elements[] = $content; |
---|
571 | } |
---|
572 | } |
---|
573 | |
---|
574 | function block_html_style($params, $content) |
---|
575 | { |
---|
576 | $content = trim($content); |
---|
577 | if ( !empty($content) ) |
---|
578 | { // second call |
---|
579 | $this->html_style .= "\n".$content; |
---|
580 | } |
---|
581 | } |
---|
582 | |
---|
583 | function func_define_derivative($params, $smarty) |
---|
584 | { |
---|
585 | !empty($params['name']) or fatal_error('define_derivative missing name'); |
---|
586 | if (isset($params['type'])) |
---|
587 | { |
---|
588 | $derivative = ImageStdParams::get_by_type($params['type']); |
---|
589 | $smarty->assign( $params['name'], $derivative); |
---|
590 | return; |
---|
591 | } |
---|
592 | !empty($params['width']) or fatal_error('define_derivative missing width'); |
---|
593 | !empty($params['height']) or fatal_error('define_derivative missing height'); |
---|
594 | |
---|
595 | $w = intval($params['width']); |
---|
596 | $h = intval($params['height']); |
---|
597 | $crop = 0; |
---|
598 | $minw=null; |
---|
599 | $minh=null; |
---|
600 | |
---|
601 | if (isset($params['crop'])) |
---|
602 | { |
---|
603 | if (is_bool($params['crop'])) |
---|
604 | { |
---|
605 | $crop = $params['crop'] ? 1:0; |
---|
606 | } |
---|
607 | else |
---|
608 | { |
---|
609 | $crop = round($params['crop']/100, 2); |
---|
610 | } |
---|
611 | |
---|
612 | if ($crop) |
---|
613 | { |
---|
614 | $minw = empty($params['min_width']) ? $w : intval($params['min_width']); |
---|
615 | $minw <= $w or fatal_error('define_derivative invalid min_width'); |
---|
616 | $minh = empty($params['min_height']) ? $h : intval($params['min_height']); |
---|
617 | $minh <= $h or fatal_error('define_derivative invalid min_height'); |
---|
618 | } |
---|
619 | } |
---|
620 | |
---|
621 | $smarty->assign( $params['name'], ImageStdParams::get_custom($w, $h, $crop, $minw, $minh) ); |
---|
622 | } |
---|
623 | |
---|
624 | /** |
---|
625 | * combine_script smarty function allows inclusion of a javascript file in the current page. |
---|
626 | * The engine will combine several js files into a single one in order to reduce the number of |
---|
627 | * required http requests. |
---|
628 | * param id - required |
---|
629 | * param path - required - the path to js file RELATIVE to piwigo root dir |
---|
630 | * param load - optional - header|footer|async, default header |
---|
631 | * param require - optional - comma separated list of script ids required to be loaded and executed |
---|
632 | before this one |
---|
633 | * param version - optional - plugins could use this and change it in order to force a |
---|
634 | browser refresh |
---|
635 | */ |
---|
636 | function func_combine_script($params) |
---|
637 | { |
---|
638 | if (!isset($params['id'])) |
---|
639 | { |
---|
640 | trigger_error("combine_script: missing 'id' parameter", E_USER_ERROR); |
---|
641 | } |
---|
642 | $load = 0; |
---|
643 | if (isset($params['load'])) |
---|
644 | { |
---|
645 | switch ($params['load']) |
---|
646 | { |
---|
647 | case 'header': break; |
---|
648 | case 'footer': $load=1; break; |
---|
649 | case 'async': $load=2; break; |
---|
650 | default: trigger_error("combine_script: invalid 'load' parameter", E_USER_ERROR); |
---|
651 | } |
---|
652 | } |
---|
653 | |
---|
654 | $this->scriptLoader->add( $params['id'], $load, |
---|
655 | empty($params['require']) ? array() : explode( ',', $params['require'] ), |
---|
656 | @$params['path'], |
---|
657 | isset($params['version']) ? $params['version'] : 0 ); |
---|
658 | } |
---|
659 | |
---|
660 | |
---|
661 | function func_get_combined_scripts($params) |
---|
662 | { |
---|
663 | if (!isset($params['load'])) |
---|
664 | { |
---|
665 | trigger_error("get_combined_scripts: missing 'load' parameter", E_USER_ERROR); |
---|
666 | } |
---|
667 | $load = $params['load']=='header' ? 0 : 1; |
---|
668 | $content = array(); |
---|
669 | |
---|
670 | if ($load==0) |
---|
671 | { |
---|
672 | return self::COMBINED_SCRIPTS_TAG; |
---|
673 | } |
---|
674 | else |
---|
675 | { |
---|
676 | $scripts = $this->scriptLoader->get_footer_scripts(); |
---|
677 | foreach ($scripts[0] as $script) |
---|
678 | { |
---|
679 | $content[]= |
---|
680 | '<script type="text/javascript" src="' |
---|
681 | . self::make_script_src($script) |
---|
682 | .'"></script>'; |
---|
683 | } |
---|
684 | if (count($this->scriptLoader->inline_scripts)) |
---|
685 | { |
---|
686 | $content[]= '<script type="text/javascript">//<![CDATA[ |
---|
687 | '; |
---|
688 | $content = array_merge($content, $this->scriptLoader->inline_scripts); |
---|
689 | $content[]= '//]]></script>'; |
---|
690 | } |
---|
691 | |
---|
692 | if (count($scripts[1])) |
---|
693 | { |
---|
694 | $content[]= '<script type="text/javascript">'; |
---|
695 | $content[]= '(function() { |
---|
696 | var s,after = document.getElementsByTagName(\'script\')[document.getElementsByTagName(\'script\').length-1];'; |
---|
697 | foreach ($scripts[1] as $id => $script) |
---|
698 | { |
---|
699 | $content[]= |
---|
700 | 's=document.createElement(\'script\'); s.type=\'text/javascript\'; s.async=true; s.src=\'' |
---|
701 | . self::make_script_src($script) |
---|
702 | .'\';'; |
---|
703 | $content[]= 'after = after.parentNode.insertBefore(s, after);'; |
---|
704 | } |
---|
705 | $content[]= '})();'; |
---|
706 | $content[]= '</script>'; |
---|
707 | } |
---|
708 | } |
---|
709 | return implode("\n", $content); |
---|
710 | } |
---|
711 | |
---|
712 | |
---|
713 | private static function make_script_src( $script ) |
---|
714 | { |
---|
715 | $ret = ''; |
---|
716 | if ( $script->is_remote() ) |
---|
717 | $ret = $script->path; |
---|
718 | else |
---|
719 | { |
---|
720 | $ret = get_root_url().$script->path; |
---|
721 | if ($script->version!==false) |
---|
722 | { |
---|
723 | $ret.= '?v'. ($script->version ? $script->version : PHPWG_VERSION); |
---|
724 | } |
---|
725 | } |
---|
726 | // trigger the event for eventual use of a cdn |
---|
727 | $ret = trigger_event('combined_script', $ret, $script); |
---|
728 | return embellish_url($ret); |
---|
729 | } |
---|
730 | |
---|
731 | function block_footer_script($params, $content) |
---|
732 | { |
---|
733 | $content = trim($content); |
---|
734 | if ( !empty($content) ) |
---|
735 | { // second call |
---|
736 | |
---|
737 | $this->scriptLoader->add_inline( |
---|
738 | $content, |
---|
739 | empty($params['require']) ? array() : explode(',', $params['require']) |
---|
740 | ); |
---|
741 | } |
---|
742 | } |
---|
743 | |
---|
744 | /** |
---|
745 | * combine_css smarty function allows inclusion of a css stylesheet file in the current page. |
---|
746 | * The engine will combine several css files into a single one in order to reduce the number of |
---|
747 | * required http requests. |
---|
748 | * param path - required - the path to css file RELATIVE to piwigo root dir |
---|
749 | * param version - optional - plugins could use this and change it in order to force a |
---|
750 | browser refresh |
---|
751 | */ |
---|
752 | function func_combine_css($params) |
---|
753 | { |
---|
754 | !empty($params['path']) || fatal_error('combine_css missing path'); |
---|
755 | $order = (int)@$params['order']; |
---|
756 | $version = isset($params['version']) ? $params['version'] : 0; |
---|
757 | $css = new Css('', $params['path'], $version, $order); |
---|
758 | $css->is_template = isset($params['template']) && !empty($params['template']); |
---|
759 | $this->css_by_priority[$order][] = $css; |
---|
760 | } |
---|
761 | |
---|
762 | function func_get_combined_css($params) |
---|
763 | { |
---|
764 | return self::COMBINED_CSS_TAG; |
---|
765 | } |
---|
766 | |
---|
767 | |
---|
768 | /** |
---|
769 | * This function allows to declare a Smarty prefilter from a plugin, thus allowing |
---|
770 | * it to modify template source before compilation and without changing core files |
---|
771 | * They will be processed by weight ascending. |
---|
772 | * http://www.smarty.net/manual/en/advanced.features.prefilters.php |
---|
773 | */ |
---|
774 | function set_prefilter($handle, $callback, $weight=50) |
---|
775 | { |
---|
776 | $this->external_filters[$handle][$weight][] = array('pre', $callback); |
---|
777 | ksort($this->external_filters[$handle]); |
---|
778 | } |
---|
779 | |
---|
780 | function set_postfilter($handle, $callback, $weight=50) |
---|
781 | { |
---|
782 | $this->external_filters[$handle][$weight][] = array('post', $callback); |
---|
783 | ksort($this->external_filters[$handle]); |
---|
784 | } |
---|
785 | |
---|
786 | function set_outputfilter($handle, $callback, $weight=50) |
---|
787 | { |
---|
788 | $this->external_filters[$handle][$weight][] = array('output', $callback); |
---|
789 | ksort($this->external_filters[$handle]); |
---|
790 | } |
---|
791 | |
---|
792 | /** |
---|
793 | * This function actually triggers the filters on the tpl files. |
---|
794 | * Called in the parse method. |
---|
795 | * http://www.smarty.net/manual/en/advanced.features.prefilters.php |
---|
796 | */ |
---|
797 | function load_external_filters($handle) |
---|
798 | { |
---|
799 | if (isset($this->external_filters[$handle])) |
---|
800 | { |
---|
801 | $compile_id = ''; |
---|
802 | foreach ($this->external_filters[$handle] as $filters) |
---|
803 | { |
---|
804 | foreach ($filters as $filter) |
---|
805 | { |
---|
806 | list($type, $callback) = $filter; |
---|
807 | $compile_id .= $type.( is_array($callback) ? implode('', $callback) : $callback ); |
---|
808 | $this->smarty->registerFilter($type, $callback); |
---|
809 | } |
---|
810 | } |
---|
811 | $this->smarty->compile_id .= '.'.base_convert(crc32($compile_id), 10, 36); |
---|
812 | } |
---|
813 | } |
---|
814 | |
---|
815 | function unload_external_filters($handle) |
---|
816 | { |
---|
817 | if (isset($this->external_filters[$handle])) |
---|
818 | { |
---|
819 | foreach ($this->external_filters[$handle] as $filters) |
---|
820 | { |
---|
821 | foreach ($filters as $filter) |
---|
822 | { |
---|
823 | list($type, $callback) = $filter; |
---|
824 | $this->smarty->unregisterFilter($type, $callback); |
---|
825 | } |
---|
826 | } |
---|
827 | } |
---|
828 | } |
---|
829 | |
---|
830 | static function prefilter_white_space($source, $smarty) |
---|
831 | { |
---|
832 | $ld = $smarty->left_delimiter; |
---|
833 | $rd = $smarty->right_delimiter; |
---|
834 | $ldq = preg_quote($ld, '#'); |
---|
835 | $rdq = preg_quote($rd, '#'); |
---|
836 | |
---|
837 | $regex = array(); |
---|
838 | $tags = array('if','foreach','section','footer_script'); |
---|
839 | foreach($tags as $tag) |
---|
840 | { |
---|
841 | $regex[] = "#^[ \t]+($ldq$tag"."[^$ld$rd]*$rdq)\s*$#m"; |
---|
842 | $regex[] = "#^[ \t]+($ldq/$tag$rdq)\s*$#m"; |
---|
843 | } |
---|
844 | $tags = array('include','else','combine_script','html_head'); |
---|
845 | foreach($tags as $tag) |
---|
846 | { |
---|
847 | $regex[] = "#^[ \t]+($ldq$tag"."[^$ld$rd]*$rdq)\s*$#m"; |
---|
848 | } |
---|
849 | $source = preg_replace( $regex, "$1", $source); |
---|
850 | return $source; |
---|
851 | } |
---|
852 | |
---|
853 | /** |
---|
854 | * Smarty postfilter |
---|
855 | */ |
---|
856 | static function postfilter_language($source, $smarty) |
---|
857 | { |
---|
858 | // replaces echo PHP_STRING_LITERAL; with the string literal value |
---|
859 | $source = preg_replace_callback( |
---|
860 | '/\\<\\?php echo ((?:\'(?:(?:\\\\.)|[^\'])*\')|(?:"(?:(?:\\\\.)|[^"])*"));\\?\\>\\n/', |
---|
861 | create_function('$matches', 'eval(\'$tmp=\'.$matches[1].\';\');return $tmp;'), |
---|
862 | $source); |
---|
863 | return $source; |
---|
864 | } |
---|
865 | |
---|
866 | static function prefilter_local_css($source, $smarty) |
---|
867 | { |
---|
868 | $css = array(); |
---|
869 | foreach ($smarty->getTemplateVars('themes') as $theme) |
---|
870 | { |
---|
871 | $f = PWG_LOCAL_DIR.'css/'.$theme['id'].'-rules.css'; |
---|
872 | if (file_exists(PHPWG_ROOT_PATH.$f)) |
---|
873 | { |
---|
874 | $css[] = "{combine_css path='$f' order=10}"; |
---|
875 | } |
---|
876 | } |
---|
877 | $f = PWG_LOCAL_DIR.'css/rules.css'; |
---|
878 | if (file_exists(PHPWG_ROOT_PATH.$f)) |
---|
879 | { |
---|
880 | $css[] = "{combine_css path='$f' order=10}"; |
---|
881 | } |
---|
882 | |
---|
883 | if (!empty($css)) |
---|
884 | { |
---|
885 | $source = str_replace("\n{get_combined_css}", "\n".implode( "\n", $css )."\n{get_combined_css}", $source); |
---|
886 | } |
---|
887 | |
---|
888 | return $source; |
---|
889 | } |
---|
890 | |
---|
891 | function load_themeconf($dir) |
---|
892 | { |
---|
893 | global $themeconfs, $conf; |
---|
894 | |
---|
895 | $dir = realpath($dir); |
---|
896 | if (!isset($themeconfs[$dir])) |
---|
897 | { |
---|
898 | $themeconf = array(); |
---|
899 | include($dir.'/themeconf.inc.php'); |
---|
900 | // Put themeconf in cache |
---|
901 | $themeconfs[$dir] = $themeconf; |
---|
902 | } |
---|
903 | return $themeconfs[$dir]; |
---|
904 | } |
---|
905 | |
---|
906 | function add_picture_button($content, $rank=BUTTONS_RANK_NEUTRAL) |
---|
907 | { |
---|
908 | $this->picture_buttons[$rank][] = $content; |
---|
909 | } |
---|
910 | |
---|
911 | function add_index_button($content, $rank=BUTTONS_RANK_NEUTRAL) |
---|
912 | { |
---|
913 | $this->index_buttons[$rank][] = $content; |
---|
914 | } |
---|
915 | |
---|
916 | function parse_picture_buttons() |
---|
917 | { |
---|
918 | if (!empty($this->picture_buttons)) |
---|
919 | { |
---|
920 | ksort($this->picture_buttons); |
---|
921 | $this->assign('PLUGIN_PICTURE_BUTTONS', |
---|
922 | array_reduce( |
---|
923 | $this->picture_buttons, |
---|
924 | create_function('$v,$w', 'return array_merge($v, $w);'), |
---|
925 | array() |
---|
926 | )); |
---|
927 | } |
---|
928 | } |
---|
929 | |
---|
930 | function parse_index_buttons() |
---|
931 | { |
---|
932 | if (!empty($this->index_buttons)) |
---|
933 | { |
---|
934 | ksort($this->index_buttons); |
---|
935 | $this->assign('PLUGIN_INDEX_BUTTONS', |
---|
936 | array_reduce( |
---|
937 | $this->index_buttons, |
---|
938 | create_function('$v,$w', 'return array_merge($v, $w);'), |
---|
939 | array() |
---|
940 | )); |
---|
941 | } |
---|
942 | } |
---|
943 | |
---|
944 | } |
---|
945 | |
---|
946 | |
---|
947 | /** |
---|
948 | * This class contains basic functions that can be called directly from the |
---|
949 | * templates in the form $pwg->l10n('edit') |
---|
950 | */ |
---|
951 | class PwgTemplateAdapter |
---|
952 | { |
---|
953 | function l10n($text) |
---|
954 | { |
---|
955 | return l10n($text); |
---|
956 | } |
---|
957 | |
---|
958 | function l10n_dec($s, $p, $v) |
---|
959 | { |
---|
960 | return l10n_dec($s, $p, $v); |
---|
961 | } |
---|
962 | |
---|
963 | function sprintf() |
---|
964 | { |
---|
965 | $args = func_get_args(); |
---|
966 | return call_user_func_array('sprintf', $args ); |
---|
967 | } |
---|
968 | |
---|
969 | function derivative($type, $img) |
---|
970 | { |
---|
971 | return new DerivativeImage($type, $img); |
---|
972 | } |
---|
973 | |
---|
974 | function derivative_url($type, $img) |
---|
975 | { |
---|
976 | return DerivativeImage::url($type, $img); |
---|
977 | } |
---|
978 | } |
---|
979 | |
---|
980 | |
---|
981 | class Combinable |
---|
982 | { |
---|
983 | public $id; |
---|
984 | public $path; |
---|
985 | public $version; |
---|
986 | public $is_template; |
---|
987 | |
---|
988 | function __construct($id, $path, $version) |
---|
989 | { |
---|
990 | $this->id = $id; |
---|
991 | $this->set_path($path); |
---|
992 | $this->version = $version; |
---|
993 | } |
---|
994 | |
---|
995 | function set_path($path) |
---|
996 | { |
---|
997 | if (!empty($path)) |
---|
998 | $this->path = $path; |
---|
999 | } |
---|
1000 | |
---|
1001 | function is_remote() |
---|
1002 | { |
---|
1003 | return url_is_remote( $this->path ) || strncmp($this->path, '//', 2)==0; |
---|
1004 | } |
---|
1005 | } |
---|
1006 | |
---|
1007 | final class Script extends Combinable |
---|
1008 | { |
---|
1009 | public $load_mode; |
---|
1010 | public $precedents = array(); |
---|
1011 | public $extra = array(); |
---|
1012 | |
---|
1013 | function __construct($load_mode, $id, $path, $version, $precedents) |
---|
1014 | { |
---|
1015 | parent::__construct($id, $path, $version); |
---|
1016 | $this->load_mode = $load_mode; |
---|
1017 | $this->precedents = $precedents; |
---|
1018 | } |
---|
1019 | } |
---|
1020 | |
---|
1021 | final class Css extends Combinable |
---|
1022 | { |
---|
1023 | public $order; |
---|
1024 | |
---|
1025 | function __construct($id, $path, $version, $order) |
---|
1026 | { |
---|
1027 | parent::__construct($id, $path, $version); |
---|
1028 | $this->order = $order; |
---|
1029 | } |
---|
1030 | } |
---|
1031 | |
---|
1032 | |
---|
1033 | /** Manage a list of required scripts for a page, by optimizing their loading location (head, bottom, async) |
---|
1034 | and later on by combining them in a unique file respecting at the same time dependencies.*/ |
---|
1035 | class ScriptLoader |
---|
1036 | { |
---|
1037 | private $registered_scripts; |
---|
1038 | public $inline_scripts; |
---|
1039 | |
---|
1040 | private $did_head; |
---|
1041 | private $head_done_scripts; |
---|
1042 | private $did_footer; |
---|
1043 | |
---|
1044 | private static $known_paths = array( |
---|
1045 | 'core.scripts' => 'themes/default/js/scripts.js', |
---|
1046 | 'jquery' => 'themes/default/js/jquery.min.js', |
---|
1047 | 'jquery.ui' => 'themes/default/js/ui/minified/jquery.ui.core.min.js', |
---|
1048 | 'jquery.ui.effect' => 'themes/default/js/ui/minified/jquery.ui.effect.min.js', |
---|
1049 | ); |
---|
1050 | |
---|
1051 | private static $ui_core_dependencies = array( |
---|
1052 | 'jquery.ui.widget' => array('jquery'), |
---|
1053 | 'jquery.ui.position' => array('jquery'), |
---|
1054 | 'jquery.ui.mouse' => array('jquery', 'jquery.ui', 'jquery.ui.widget'), |
---|
1055 | ); |
---|
1056 | |
---|
1057 | function __construct() |
---|
1058 | { |
---|
1059 | $this->clear(); |
---|
1060 | } |
---|
1061 | |
---|
1062 | function clear() |
---|
1063 | { |
---|
1064 | $this->registered_scripts = array(); |
---|
1065 | $this->inline_scripts = array(); |
---|
1066 | $this->head_done_scripts = array(); |
---|
1067 | $this->did_head = $this->did_footer = false; |
---|
1068 | } |
---|
1069 | |
---|
1070 | function get_all() |
---|
1071 | { |
---|
1072 | return $this->registered_scripts; |
---|
1073 | } |
---|
1074 | |
---|
1075 | function add_inline($code, $require) |
---|
1076 | { |
---|
1077 | !$this->did_footer || trigger_error("Attempt to add inline script but the footer has been written", E_USER_WARNING); |
---|
1078 | if(!empty($require)) |
---|
1079 | { |
---|
1080 | foreach ($require as $id) |
---|
1081 | { |
---|
1082 | if(!isset($this->registered_scripts[$id])) |
---|
1083 | $this->load_known_required_script($id, 1) or fatal_error("inline script not found require $id"); |
---|
1084 | $s = $this->registered_scripts[$id]; |
---|
1085 | if($s->load_mode==2) |
---|
1086 | $s->load_mode=1; // until now the implementation does not allow executing inline script depending on another async script |
---|
1087 | } |
---|
1088 | } |
---|
1089 | $this->inline_scripts[] = $code; |
---|
1090 | } |
---|
1091 | |
---|
1092 | function add($id, $load_mode, $require, $path, $version=0) |
---|
1093 | { |
---|
1094 | if ($this->did_head && $load_mode==0) |
---|
1095 | { |
---|
1096 | trigger_error("Attempt to add script $id but the head has been written", E_USER_WARNING); |
---|
1097 | } |
---|
1098 | elseif ($this->did_footer) |
---|
1099 | { |
---|
1100 | trigger_error("Attempt to add script $id but the footer has been written", E_USER_WARNING); |
---|
1101 | } |
---|
1102 | if (! isset( $this->registered_scripts[$id] ) ) |
---|
1103 | { |
---|
1104 | $script = new Script($load_mode, $id, $path, $version, $require); |
---|
1105 | self::fill_well_known($id, $script); |
---|
1106 | $this->registered_scripts[$id] = $script; |
---|
1107 | |
---|
1108 | // Load or modify all UI core files |
---|
1109 | if ($id == 'jquery.ui' and $script->path == self::$known_paths['jquery.ui']) |
---|
1110 | { |
---|
1111 | foreach (self::$ui_core_dependencies as $script_id => $required_ids) |
---|
1112 | $this->add($script_id, $load_mode, $required_ids, null, $version); |
---|
1113 | } |
---|
1114 | |
---|
1115 | // Try to load undefined required script |
---|
1116 | foreach ($script->precedents as $script_id) |
---|
1117 | { |
---|
1118 | if (! isset( $this->registered_scripts[$script_id] ) ) |
---|
1119 | $this->load_known_required_script($script_id, $load_mode); |
---|
1120 | } |
---|
1121 | } |
---|
1122 | else |
---|
1123 | { |
---|
1124 | $script = $this->registered_scripts[$id]; |
---|
1125 | if (count($require)) |
---|
1126 | { |
---|
1127 | $script->precedents = array_unique( array_merge($script->precedents, $require) ); |
---|
1128 | } |
---|
1129 | $script->set_path($path); |
---|
1130 | if ($version && version_compare($script->version, $version)<0 ) |
---|
1131 | $script->version = $version; |
---|
1132 | if ($load_mode < $script->load_mode) |
---|
1133 | $script->load_mode = $load_mode; |
---|
1134 | } |
---|
1135 | |
---|
1136 | } |
---|
1137 | |
---|
1138 | function did_head() |
---|
1139 | { |
---|
1140 | return $this->did_head; |
---|
1141 | } |
---|
1142 | |
---|
1143 | function get_head_scripts() |
---|
1144 | { |
---|
1145 | self::check_load_dep($this->registered_scripts); |
---|
1146 | foreach( array_keys($this->registered_scripts) as $id ) |
---|
1147 | { |
---|
1148 | $this->compute_script_topological_order($id); |
---|
1149 | } |
---|
1150 | |
---|
1151 | uasort($this->registered_scripts, array('ScriptLoader', 'cmp_by_mode_and_order')); |
---|
1152 | |
---|
1153 | foreach( $this->registered_scripts as $id => $script) |
---|
1154 | { |
---|
1155 | if ($script->load_mode > 0) |
---|
1156 | break; |
---|
1157 | if ( !empty($script->path) ) |
---|
1158 | $this->head_done_scripts[$id] = $script; |
---|
1159 | else |
---|
1160 | trigger_error("Script $id has an undefined path", E_USER_WARNING); |
---|
1161 | } |
---|
1162 | $this->did_head = true; |
---|
1163 | return self::do_combine($this->head_done_scripts, 0); |
---|
1164 | } |
---|
1165 | |
---|
1166 | function get_footer_scripts() |
---|
1167 | { |
---|
1168 | if (!$this->did_head) |
---|
1169 | { |
---|
1170 | self::check_load_dep($this->registered_scripts); |
---|
1171 | } |
---|
1172 | $this->did_footer = true; |
---|
1173 | $todo = array(); |
---|
1174 | foreach( $this->registered_scripts as $id => $script) |
---|
1175 | { |
---|
1176 | if (!isset($this->head_done_scripts[$id])) |
---|
1177 | { |
---|
1178 | $todo[$id] = $script; |
---|
1179 | } |
---|
1180 | } |
---|
1181 | |
---|
1182 | foreach( array_keys($todo) as $id ) |
---|
1183 | { |
---|
1184 | $this->compute_script_topological_order($id); |
---|
1185 | } |
---|
1186 | |
---|
1187 | uasort($todo, array('ScriptLoader', 'cmp_by_mode_and_order')); |
---|
1188 | |
---|
1189 | $result = array( array(), array() ); |
---|
1190 | foreach( $todo as $id => $script) |
---|
1191 | { |
---|
1192 | $result[$script->load_mode-1][$id] = $script; |
---|
1193 | } |
---|
1194 | return array( self::do_combine($result[0],1), self::do_combine($result[1],2) ); |
---|
1195 | } |
---|
1196 | |
---|
1197 | private static function do_combine($scripts, $load_mode) |
---|
1198 | { |
---|
1199 | $combiner = new FileCombiner('js'); |
---|
1200 | foreach ($scripts as $script) |
---|
1201 | { |
---|
1202 | $combiner->add( $script); |
---|
1203 | } |
---|
1204 | return $combiner->combine(); |
---|
1205 | } |
---|
1206 | |
---|
1207 | // checks that if B depends on A, then B->load_mode >= A->load_mode in order to respect execution order |
---|
1208 | private static function check_load_dep($scripts) |
---|
1209 | { |
---|
1210 | global $conf; |
---|
1211 | do |
---|
1212 | { |
---|
1213 | $changed = false; |
---|
1214 | foreach( $scripts as $id => $script) |
---|
1215 | { |
---|
1216 | $load = $script->load_mode; |
---|
1217 | foreach( $script->precedents as $precedent) |
---|
1218 | { |
---|
1219 | if ( !isset($scripts[$precedent] ) ) |
---|
1220 | continue; |
---|
1221 | if ( $scripts[$precedent]->load_mode > $load ) |
---|
1222 | { |
---|
1223 | $scripts[$precedent]->load_mode = $load; |
---|
1224 | $changed = true; |
---|
1225 | } |
---|
1226 | if ($load==2 && $scripts[$precedent]->load_mode==2 && ($scripts[$precedent]->is_remote() or !$conf['template_combine_files']) ) |
---|
1227 | {// we are async -> a predecessor cannot be async unlesss it can be merged; otherwise script execution order is not guaranteed |
---|
1228 | $scripts[$precedent]->load_mode = 1; |
---|
1229 | $changed = true; |
---|
1230 | } |
---|
1231 | } |
---|
1232 | } |
---|
1233 | } |
---|
1234 | while ($changed); |
---|
1235 | } |
---|
1236 | |
---|
1237 | |
---|
1238 | private static function fill_well_known($id, $script) |
---|
1239 | { |
---|
1240 | if ( empty($script->path) && isset(self::$known_paths[$id])) |
---|
1241 | { |
---|
1242 | $script->path = self::$known_paths[$id]; |
---|
1243 | } |
---|
1244 | if ( strncmp($id, 'jquery.', 7)==0 ) |
---|
1245 | { |
---|
1246 | $required_ids = array('jquery'); |
---|
1247 | |
---|
1248 | if ( strncmp($id, 'jquery.ui.effect-', 17)==0 ) |
---|
1249 | { |
---|
1250 | $required_ids = array('jquery', 'jquery.ui.effect'); |
---|
1251 | |
---|
1252 | if ( empty($script->path) ) |
---|
1253 | $script->path = dirname(self::$known_paths['jquery.ui.effect'])."/$id.min.js"; |
---|
1254 | } |
---|
1255 | elseif ( strncmp($id, 'jquery.ui.', 10)==0 ) |
---|
1256 | { |
---|
1257 | if ( !isset(self::$ui_core_dependencies[$id]) ) |
---|
1258 | $required_ids = array_merge(array('jquery', 'jquery.ui'), array_keys(self::$ui_core_dependencies)); |
---|
1259 | |
---|
1260 | if ( empty($script->path) ) |
---|
1261 | $script->path = dirname(self::$known_paths['jquery.ui'])."/$id.min.js"; |
---|
1262 | } |
---|
1263 | |
---|
1264 | foreach ($required_ids as $required_id) |
---|
1265 | { |
---|
1266 | if ( !in_array($required_id, $script->precedents ) ) |
---|
1267 | $script->precedents[] = $required_id; |
---|
1268 | } |
---|
1269 | } |
---|
1270 | } |
---|
1271 | |
---|
1272 | private function load_known_required_script($id, $load_mode) |
---|
1273 | { |
---|
1274 | if ( isset(self::$known_paths[$id]) or strncmp($id, 'jquery.ui.', 10)==0 ) |
---|
1275 | { |
---|
1276 | $this->add($id, $load_mode, array(), null); |
---|
1277 | return true; |
---|
1278 | } |
---|
1279 | return false; |
---|
1280 | } |
---|
1281 | |
---|
1282 | private function compute_script_topological_order($script_id, $recursion_limiter=0) |
---|
1283 | { |
---|
1284 | if (!isset($this->registered_scripts[$script_id])) |
---|
1285 | { |
---|
1286 | trigger_error("Undefined script $script_id is required by someone", E_USER_WARNING); |
---|
1287 | return 0; |
---|
1288 | } |
---|
1289 | $recursion_limiter<5 or fatal_error("combined script circular dependency"); |
---|
1290 | $script = $this->registered_scripts[$script_id]; |
---|
1291 | if (isset($script->extra['order'])) |
---|
1292 | return $script->extra['order']; |
---|
1293 | if (count($script->precedents) == 0) |
---|
1294 | return ($script->extra['order'] = 0); |
---|
1295 | $max = 0; |
---|
1296 | foreach( $script->precedents as $precedent) |
---|
1297 | $max = max($max, $this->compute_script_topological_order($precedent, $recursion_limiter+1) ); |
---|
1298 | $max++; |
---|
1299 | return ($script->extra['order'] = $max); |
---|
1300 | } |
---|
1301 | |
---|
1302 | private static function cmp_by_mode_and_order($s1, $s2) |
---|
1303 | { |
---|
1304 | $ret = $s1->load_mode - $s2->load_mode; |
---|
1305 | if ($ret) return $ret; |
---|
1306 | |
---|
1307 | $ret = $s1->extra['order'] - $s2->extra['order']; |
---|
1308 | if ($ret) return $ret; |
---|
1309 | |
---|
1310 | if ($s1->extra['order']==0 and ($s1->is_remote() xor $s2->is_remote()) ) |
---|
1311 | { |
---|
1312 | return $s1->is_remote() ? -1 : 1; |
---|
1313 | } |
---|
1314 | return strcmp($s1->id,$s2->id); |
---|
1315 | } |
---|
1316 | } |
---|
1317 | |
---|
1318 | |
---|
1319 | /*Allows merging of javascript and css files into a single one.*/ |
---|
1320 | final class FileCombiner |
---|
1321 | { |
---|
1322 | private $type; // js or css |
---|
1323 | private $is_css; |
---|
1324 | private $combinables = array(); |
---|
1325 | |
---|
1326 | function FileCombiner($type) |
---|
1327 | { |
---|
1328 | $this->type = $type; |
---|
1329 | $this->is_css = $type=='css'; |
---|
1330 | } |
---|
1331 | |
---|
1332 | static function clear_combined_files() |
---|
1333 | { |
---|
1334 | $dir = opendir(PHPWG_ROOT_PATH.PWG_COMBINED_DIR); |
---|
1335 | while ($file = readdir($dir)) |
---|
1336 | { |
---|
1337 | if ( get_extension($file)=='js' || get_extension($file)=='css') |
---|
1338 | unlink(PHPWG_ROOT_PATH.PWG_COMBINED_DIR.$file); |
---|
1339 | } |
---|
1340 | closedir($dir); |
---|
1341 | } |
---|
1342 | |
---|
1343 | function add($combinable) |
---|
1344 | { |
---|
1345 | $this->combinables[] = $combinable; |
---|
1346 | } |
---|
1347 | |
---|
1348 | function combine() |
---|
1349 | { |
---|
1350 | global $conf; |
---|
1351 | $force = false; |
---|
1352 | if (is_admin() && ($this->is_css || !$conf['template_compile_check']) ) |
---|
1353 | { |
---|
1354 | $force = (isset($_SERVER['HTTP_CACHE_CONTROL']) && strpos($_SERVER['HTTP_CACHE_CONTROL'], 'max-age=0') !== false) |
---|
1355 | || (isset($_SERVER['HTTP_PRAGMA']) && strpos($_SERVER['HTTP_PRAGMA'], 'no-cache')); |
---|
1356 | } |
---|
1357 | |
---|
1358 | $result = array(); |
---|
1359 | $pending = array(); |
---|
1360 | $key = $this->is_css ? array(get_absolute_root_url(false)): array(); //because for css we modify bg url |
---|
1361 | |
---|
1362 | foreach ($this->combinables as $combinable) |
---|
1363 | { |
---|
1364 | if ($conf['template_combine_files'] && !$combinable->is_remote()) |
---|
1365 | { |
---|
1366 | $key[] = $combinable->path; |
---|
1367 | $key[] = $combinable->version; |
---|
1368 | if ($conf['template_compile_check']) |
---|
1369 | $key[] = filemtime( PHPWG_ROOT_PATH . $combinable->path ); |
---|
1370 | $pending[] = $combinable; |
---|
1371 | } |
---|
1372 | else |
---|
1373 | { |
---|
1374 | $this->flush_pending($result, $pending, $key, $force); |
---|
1375 | $key = $this->is_css ? array(get_absolute_root_url(false)): array(); //because for css we modify bg url |
---|
1376 | $pending = array($combinable); |
---|
1377 | } |
---|
1378 | } |
---|
1379 | $this->flush_pending($result, $pending, $key, $force); |
---|
1380 | return $result; |
---|
1381 | } |
---|
1382 | |
---|
1383 | private function flush_pending(&$result, $pending, $key, $force) |
---|
1384 | { |
---|
1385 | if (count($pending)>1) |
---|
1386 | { |
---|
1387 | $key = join('>', $key); |
---|
1388 | $file = PWG_COMBINED_DIR . base_convert(crc32($key),10,36) . '.' . $this->type; |
---|
1389 | if ($force || !file_exists(PHPWG_ROOT_PATH.$file) ) |
---|
1390 | { |
---|
1391 | $output = ''; |
---|
1392 | foreach ($pending as $combinable) |
---|
1393 | { |
---|
1394 | $output .= "/*BEGIN $combinable->path */\n"; |
---|
1395 | $output .= $this->process_combinable($combinable, true, $force); |
---|
1396 | $output .= "\n"; |
---|
1397 | } |
---|
1398 | mkgetdir( dirname(PHPWG_ROOT_PATH.$file) ); |
---|
1399 | file_put_contents( PHPWG_ROOT_PATH.$file, $output ); |
---|
1400 | @chmod(PHPWG_ROOT_PATH.$file, 0644); |
---|
1401 | } |
---|
1402 | $result[] = new Combinable("combi", $file, false); |
---|
1403 | } |
---|
1404 | elseif ( count($pending)==1) |
---|
1405 | { |
---|
1406 | $this->process_combinable($pending[0], false, $force); |
---|
1407 | $result[] = $pending[0]; |
---|
1408 | } |
---|
1409 | $key = array(); |
---|
1410 | $pending = array(); |
---|
1411 | } |
---|
1412 | |
---|
1413 | private function process_combinable($combinable, $return_content, $force) |
---|
1414 | { |
---|
1415 | global $conf; |
---|
1416 | if ($combinable->is_template) |
---|
1417 | { |
---|
1418 | if (!$return_content) |
---|
1419 | { |
---|
1420 | $key = array($combinable->path, $combinable->version); |
---|
1421 | if ($conf['template_compile_check']) |
---|
1422 | $key[] = filemtime( PHPWG_ROOT_PATH . $combinable->path ); |
---|
1423 | $file = PWG_COMBINED_DIR . 't' . base_convert(crc32(implode(',',$key)),10,36) . '.' . $this->type; |
---|
1424 | if (!$force && file_exists(PHPWG_ROOT_PATH.$file) ) |
---|
1425 | { |
---|
1426 | $combinable->path = $file; |
---|
1427 | $combinable->version = false; |
---|
1428 | return; |
---|
1429 | } |
---|
1430 | } |
---|
1431 | |
---|
1432 | global $template; |
---|
1433 | $handle = $this->type. '.' .$combinable->id; |
---|
1434 | $template->set_filename($handle, realpath(PHPWG_ROOT_PATH.$combinable->path)); |
---|
1435 | trigger_action( 'combinable_preparse', $template, $combinable, $this); //allow themes and plugins to set their own vars to template ... |
---|
1436 | $content = $template->parse($handle, true); |
---|
1437 | |
---|
1438 | if ($this->is_css) |
---|
1439 | $content = self::process_css($content, dirname($combinable->path) ); |
---|
1440 | else |
---|
1441 | $content = self::process_js($content, $combinable->path ); |
---|
1442 | |
---|
1443 | if ($return_content) |
---|
1444 | return $content; |
---|
1445 | file_put_contents( PHPWG_ROOT_PATH.$file, $content ); |
---|
1446 | $combinable->path = $file; |
---|
1447 | } |
---|
1448 | elseif ($return_content) |
---|
1449 | { |
---|
1450 | $content = file_get_contents(PHPWG_ROOT_PATH . $combinable->path); |
---|
1451 | if ($this->is_css) |
---|
1452 | $content = self::process_css($content, dirname($combinable->path) ); |
---|
1453 | else |
---|
1454 | $content = self::process_js($content, $combinable->path ); |
---|
1455 | return $content; |
---|
1456 | } |
---|
1457 | } |
---|
1458 | |
---|
1459 | private static function process_js($js, $file) |
---|
1460 | { |
---|
1461 | if (strpos($file, '.min')===false and strpos($file, '.packed')===false ) |
---|
1462 | { |
---|
1463 | require_once(PHPWG_ROOT_PATH.'include/jshrink.class.php'); |
---|
1464 | try { $js = JShrink_Minifier::minify($js); } catch(Exception $e) {} |
---|
1465 | } |
---|
1466 | return trim($js, " \t\r\n;").";\n"; |
---|
1467 | } |
---|
1468 | |
---|
1469 | private static function process_css($css, $dir) |
---|
1470 | { |
---|
1471 | $css = self::process_css_rec($css, $dir); |
---|
1472 | if (version_compare(PHP_VERSION, '5.2.4', '>=')) |
---|
1473 | { |
---|
1474 | require_once(PHPWG_ROOT_PATH.'include/cssmin.class.php'); |
---|
1475 | $css = CssMin::minify($css, array('Variables'=>false)); |
---|
1476 | } |
---|
1477 | $css = trigger_event('combined_css_postfilter', $css); |
---|
1478 | return $css; |
---|
1479 | } |
---|
1480 | |
---|
1481 | private static function process_css_rec($css, $dir) |
---|
1482 | { |
---|
1483 | static $PATTERN = "#url\(\s*['|\"]{0,1}(.*?)['|\"]{0,1}\s*\)#"; |
---|
1484 | |
---|
1485 | if (preg_match_all($PATTERN, $css, $matches, PREG_SET_ORDER)) |
---|
1486 | { |
---|
1487 | $search = $replace = array(); |
---|
1488 | foreach ($matches as $match) |
---|
1489 | { |
---|
1490 | if ( !url_is_remote($match[1]) && $match[1][0] != '/') |
---|
1491 | { |
---|
1492 | $relative = $dir . "/$match[1]"; |
---|
1493 | $search[] = $match[0]; |
---|
1494 | $replace[] = 'url('.embellish_url(get_absolute_root_url(false).$relative).')'; |
---|
1495 | } |
---|
1496 | } |
---|
1497 | $css = str_replace($search, $replace, $css); |
---|
1498 | } |
---|
1499 | |
---|
1500 | $imports = preg_match_all("#@import\s*['|\"]{0,1}(.*?)['|\"]{0,1};#", $css, $matches, PREG_SET_ORDER); |
---|
1501 | if ($imports) |
---|
1502 | { |
---|
1503 | $search = $replace = array(); |
---|
1504 | foreach ($matches as $match) |
---|
1505 | { |
---|
1506 | $search[] = $match[0]; |
---|
1507 | $sub_css = file_get_contents(PHPWG_ROOT_PATH . $dir . "/$match[1]"); |
---|
1508 | $replace[] = self::process_css_rec($sub_css, dirname($dir . "/$match[1]") ); |
---|
1509 | } |
---|
1510 | $css = str_replace($search, $replace, $css); |
---|
1511 | } |
---|
1512 | return $css; |
---|
1513 | } |
---|
1514 | |
---|
1515 | } |
---|
1516 | |
---|
1517 | ?> |
---|