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<?php |
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namespace dokuwiki; |
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class StyleUtils |
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{ |
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/** @var string current template */ |
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protected $tpl; |
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/** @var bool reinitialize styles config */ |
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protected $reinit; |
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/** @var bool $preview preview mode */ |
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protected $preview; |
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/** @var array default replacements to be merged with custom style configs */ |
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protected $defaultReplacements = array( |
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'__text__' => "#000", |
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'__background__' => "#fff", |
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'__text_alt__' => "#999", |
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'__background_alt__' => "#eee", |
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'__text_neu__' => "#666", |
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'__background_neu__' => "#ddd", |
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'__border__' => "#ccc", |
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'__highlight__' => "#ff9", |
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'__link__' => "#00f", |
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); |
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/** |
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* StyleUtils constructor. |
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* @param string $tpl template name: if not passed as argument, the default value from $conf will be used |
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* @param bool $preview |
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* @param bool $reinit whether static style conf should be reinitialized |
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*/ |
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public function __construct($tpl = '', $preview = false, $reinit = false) |
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{ |
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if (!$tpl) { |
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global $conf; |
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$tpl = $conf['conf']; |
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} |
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$this->tpl = $tpl; |
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$this->reinit = $reinit; |
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$this->preview = $preview; |
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} |
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/** |
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* Load style ini contents |
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* |
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* Loads and merges style.ini files from template and config and prepares |
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* the stylesheet modes |
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* |
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* @author Andreas Gohr <[email protected]> |
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* @author Anna Dabrowska <[email protected]> |
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* |
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* @return array with keys 'stylesheets' and 'replacements' |
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*/ |
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public function cssStyleini() |
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{ |
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static $combined = []; |
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if (!empty($combined) && !$this->reinit) { |
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return $combined; |
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} |
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global $conf; |
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global $config_cascade; |
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$stylesheets = array(); // mode, file => base |
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// guaranteed placeholder => value |
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$replacements = $this->defaultReplacements; |
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// merge all styles from config cascade |
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if (!is_array($config_cascade['styleini'])) { |
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trigger_error('Missing config cascade for styleini', E_USER_WARNING); |
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} |
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// allow replacement overwrites in preview mode |
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if ($this->preview) { |
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$config_cascade['styleini']['local'][] = $conf['cachedir'] . '/preview.ini'; |
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} |
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$combined['stylesheets'] = []; |
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$combined['replacements'] = []; |
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foreach (array('default', 'local', 'protected') as $config_group) { |
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if (empty($config_cascade['styleini'][$config_group])) continue; |
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// set proper server dirs |
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$webbase = $this->getWebbase($config_group); |
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foreach ($config_cascade['styleini'][$config_group] as $inifile) { |
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// replace the placeholder with the name of the current template |
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$inifile = str_replace('%TEMPLATE%', $this->tpl, $inifile); |
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$incbase = dirname($inifile) . '/'; |
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if (file_exists($inifile)) { |
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$config = parse_ini_file($inifile, true); |
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if (is_array($config['stylesheets'])) { |
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foreach ($config['stylesheets'] as $inifile => $mode) { |
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// validate and include style files |
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$stylesheets = array_merge($stylesheets, $this->getValidatedStyles($stylesheets, $inifile, $mode, $incbase, $webbase)); |
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$combined['stylesheets'] = array_merge($combined['stylesheets'], $stylesheets); |
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} |
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} |
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if (is_array($config['replacements'])) { |
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$replacements = array_replace($replacements, $this->cssFixreplacementurls($config['replacements'], $webbase)); |
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$combined['replacements'] = array_merge($combined['replacements'], $replacements); |
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} |
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} |
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} |
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} |
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return $combined; |
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} |
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/** |
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* Checks if configured style files exist and, if necessary, adjusts file extensions in config |
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* |
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* @param array $stylesheets |
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* @param string $file |
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* @param string $mode |
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* @param string $incbase |
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* @param string $webbase |
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* @return mixed |
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*/ |
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protected function getValidatedStyles($stylesheets, $file, $mode, $incbase, $webbase) |
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{ |
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global $conf; |
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if (!file_exists($incbase . $file)) { |
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list($extension, $basename) = array_map('strrev', explode('.', strrev($file), 2)); |
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$newExtension = $extension === 'css' ? 'less' : 'css'; |
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if (file_exists($incbase . $basename . '.' . $newExtension)) { |
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$stylesheets[$mode][$incbase . $basename . '.' . $newExtension] = $webbase; |
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if ($conf['allowdebug']) { |
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msg("Stylesheet $file not found, using $basename.$newExtension instead. Please contact developer of \"$this->tpl\" template.", 2); |
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} |
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} elseif ($conf['allowdebug']) { |
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msg("Stylesheet $file not found, please contact the developer of \"$this->tpl\" template.", 2); |
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} |
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} |
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$stylesheets[$mode][fullpath($incbase . $file)] = $webbase; |
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return $stylesheets; |
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} |
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/** |
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* Returns the web base path for the given level/group in config cascade. |
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* Style resources are relative to the template directory for the main (default) styles |
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* but relative to DOKU_BASE for everything else" |
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* |
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* @param string $config_group |
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* @return string |
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*/ |
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protected function getWebbase($config_group) |
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{ |
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if ($config_group === 'default') { |
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return tpl_basedir($this->tpl); |
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} else { |
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return DOKU_BASE; |
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} |
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} |
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/** |
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* Amend paths used in replacement relative urls, refer FS#2879 |
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* |
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* @author Chris Smith <[email protected]> |
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* |
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* @param array $replacements with key-value pairs |
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* @param string $location |
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* @return array |
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*/ |
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protected function cssFixreplacementurls($replacements, $location) |
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{ |
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foreach ($replacements as $key => $value) { |
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$replacements[$key] = preg_replace('#(url\([ \'"]*)(?!/|data:|http://|https://| |\'|")#', '\\1' . $location, $value); |
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} |
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return $replacements; |
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} |
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} |
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splitbrain /
dokuwiki
