public static function fixCssUrl($style, $currentPath, $oldPath)
{
self::$_currentCssPath = $currentPath;
self::$_oldCssPath = $oldPath;
$pattern = '#url\\([\'"]?([^\'"]+)[\'"]?\\)#';
$style = preg_replace_callback($pattern, array('self', 'replaceCssUrl'), $style);
// fix import url
/*
if (strpos($oldPath, '.less') !== false) {
$importPattern = '#@import [\'"]+([0-9a-zA-Z/.-]+)[\'"]+#';
$style = preg_replace_callback($importPattern, array('self', 'replaceCssImportUrl'), $style);
}
*/
return $style;
}
/**
*
* @return string
*/
private function _generateStylesheets()
{
$combineCss = Zo2Framework::getParam('combine_css', 0);
$developmentMode = Zo2Framework::getParam('development_mode', 0);
$cssHtml = array();
/**
* Only do combine when asked and not in development mode
*/
if ($combineCss == 1 && $developmentMode == 0) {
$cssName = 'cache/zo2_' . md5(serialize($this->_stylesheets)) . '.css';
$cssFilePath = JPATH_ROOT . '/' . $cssName;
$cssUri = rtrim(JUri::root(true), '/') . '/' . $cssName;
$cssContent = array();
foreach ($this->_stylesheets as $styleSheets => $path) {
/* Do not combine vendor stylesheets */
if (strpos($path, 'vendor') !== false) {
$cssHtml[] = '<link rel="stylesheet" href="' . Zo2Path::getInstance()->toUrl($styleSheets) . '">';
} else {
/* Combine Zo2 stylesheets */
/* Optimize ouput css content */
if (Zo2Framework::getParam('optimzie_css', 0) == 1) {
$currentCssContent = CssMinifier::minify(file_get_contents($path));
} else {
$currentCssContent = file_get_contents($path);
}
$currentCssContent = Zo2HelperAssets::fixCssUrl($currentCssContent, $cssUri, '/' . $styleSheets);
$cssContent[] = $currentCssContent;
}
}
$cssContent = implode(PHP_EOL, $cssContent);
$cssContent = Zo2HelperAssets::moveCssImportToBeginning($cssContent);
/* Save to combined css file */
file_put_contents($cssFilePath, $cssContent);
$cssHtml[] = '<link rel="stylesheet" href="' . $cssUri . '"></script>';
} else {
foreach ($this->_stylesheets as $styleSheets => $path) {
$cssHtml[] = '<link rel="stylesheet" href="' . Zo2Path::getInstance()->toUrl($styleSheets) . '">';
}
}
/* Custom stylesheets */
$cssDeclarationHtml[] = '<style>';
foreach ($this->_stylesheetDeclarations as $stylesheetDeclaration) {
if (Zo2Framework::getParam('optimzie_css', 0) == 1 && $developmentMode == 0) {
$cssDeclarationHtml[] = CssMinifier::minify($stylesheetDeclaration) . PHP_EOL;
} else {
$cssDeclarationHtml[] = $stylesheetDeclaration . PHP_EOL;
}
}
$cssDeclarationHtml[] = '</style>';
return trim(implode(PHP_EOL, $cssHtml) . PHP_EOL . implode(PHP_EOL, $cssDeclarationHtml));
}
