/**
* Returns an image path according the configured theme
*
* @param string $image image name/path
*
* @return string path, null if image not found
*/
public function __invoke($image)
{
// Normalize href to account for themes:
$relPath = 'images/' . $image;
$currentTheme = $this->themeInfo->findContainingTheme($relPath);
if (is_null($currentTheme)) {
return null;
}
$urlHelper = $this->getView()->plugin('url');
return $urlHelper('home') . "themes/{$currentTheme}/" . $relPath;
}
/**
* Create script HTML
*
* @param mixed $item Item to convert
* @param string $indent String to add before the item
* @param string $escapeStart Starting sequence
* @param string $escapeEnd Ending sequence
*
* @return string
*/
public function itemToString($item, $indent, $escapeStart, $escapeEnd)
{
// Normalize href to account for themes:
if (!empty($item->attributes['src'])) {
$relPath = 'js/' . $item->attributes['src'];
$details = $this->themeInfo->findContainingTheme($relPath, ThemeInfo::RETURN_ALL_DETAILS);
if (!empty($details)) {
$urlHelper = $this->getView()->plugin('url');
$url = $urlHelper('home') . "themes/{$details['theme']}/" . $relPath;
$url .= strstr($url, '?') ? '&_=' : '?_=';
$url .= filemtime($details['path']);
$item->attributes['src'] = $url;
}
}
return parent::itemToString($item, $indent, $escapeStart, $escapeEnd);
}
/**
* Support method for init() -- set up theme once current settings are known.
*
* @param array $themes Theme configuration information.
*
* @return void
*/
protected function setUpThemes($themes)
{
$templatePathStack = [];
// Grab the resource manager for tracking CSS, JS, etc.:
$resources = $this->serviceManager->get('VuFindTheme\\ResourceContainer');
// Set generator if necessary:
if (isset($this->config->generator)) {
$resources->setGenerator($this->config->generator);
}
$lessActive = false;
// Find LESS activity
foreach ($themes as $key => $currentThemeInfo) {
if (isset($currentThemeInfo['less']['active'])) {
$lessActive = $currentThemeInfo['less']['active'];
}
}
// Apply the loaded theme settings in reverse for proper inheritance:
foreach ($themes as $key => $currentThemeInfo) {
if (isset($currentThemeInfo['helpers'])) {
$this->setUpThemeViewHelpers($currentThemeInfo['helpers']);
}
// Add template path:
$templatePathStack[] = $this->tools->getBaseDir() . "/{$key}/templates";
// Add CSS and JS dependencies:
if ($lessActive && isset($currentThemeInfo['less'])) {
$resources->addLessCss($currentThemeInfo['less']);
}
if (isset($currentThemeInfo['css'])) {
$resources->addCss($currentThemeInfo['css']);
}
if (isset($currentThemeInfo['js'])) {
$resources->addJs($currentThemeInfo['js']);
}
// Select encoding:
if (isset($currentThemeInfo['encoding'])) {
$resources->setEncoding($currentThemeInfo['encoding']);
}
// Select favicon:
if (isset($currentThemeInfo['favicon'])) {
$resources->setFavicon($currentThemeInfo['favicon']);
}
}
// Inject the path stack generated above into the view resolver:
$resolver = $this->serviceManager->get('viewmanager')->getResolver();
if (!is_a($resolver, 'Zend\\View\\Resolver\\AggregateResolver')) {
throw new \Exception('Unexpected resolver: ' . get_class($resolver));
}
foreach ($resolver as $current) {
if (is_a($current, 'Zend\\View\\Resolver\\TemplatePathStack')) {
$current->setPaths($templatePathStack);
}
}
// Add theme specific language files for translation
$this->updateTranslator($themes);
}
/**
* Find a file in the themes (return false if no file exists).
*
* @param string $path Relative path of file to find.
* @param array $formats Optional array of suffixes to add to $path while
* searching theme (used to check multiple extensions in each theme).
*
* @return string|bool
*/
protected function searchTheme($path, $formats = [''])
{
// Check all supported image formats:
$filenames = [];
foreach ($formats as $format) {
$filenames[] = $path . $format;
}
if (null === $this->themeTools) {
throw new \Exception('\\VuFindTheme\\ThemeInfo object missing');
}
$fileMatch = $this->themeTools->findContainingTheme($filenames, true);
return empty($fileMatch) ? false : $fileMatch;
}
/**
* Compile a less file to css and add to css folder
*
* @param string $file Path to less file
* @param string $media Media type
* @param string $conditionalStylesheet Load condition for file
*
* @return void
*/
public function addLessStylesheet($file, $media = 'all', $conditionalStylesheet = false)
{
$relPath = 'less/' . $file;
$urlHelper = $this->getView()->plugin('url');
$currentTheme = $this->themeInfo->findContainingTheme($relPath);
$helperHome = $urlHelper('home');
$home = APPLICATION_PATH . '/themes/' . $currentTheme . '/';
$cssDirectory = $helperHome . 'themes/' . $currentTheme . '/css/less/';
try {
$less_files = [APPLICATION_PATH . '/themes/' . $currentTheme . '/' . $relPath => $cssDirectory];
$themeParents = array_keys($this->themeInfo->getThemeInfo());
$directories = [];
foreach ($themeParents as $theme) {
$directories[APPLICATION_PATH . '/themes/' . $theme . '/less/'] = $helperHome . 'themes/' . $theme . '/css/less/';
}
$css_file_name = \Less_Cache::Get($less_files, ['cache_dir' => $home . 'css/less/', 'cache_method' => false, 'compress' => true, 'import_dirs' => $directories, 'output' => str_replace('.less', '.css', $file)]);
$this->prependStylesheet($cssDirectory . $css_file_name, $media, $conditionalStylesheet);
} catch (\Exception $e) {
error_log($e->getMessage());
list($fileName, ) = explode('.', $file);
$this->prependStylesheet($urlHelper('home') . "themes/{$currentTheme}/css/{$fileName}.css");
}
}
/**
* Compile a LESS file inside a theme.
*
* @param string $theme Theme containing file
* @param string $less Relative path to LESS file
*
* @return void
*/
protected function compileFile($theme, $less)
{
$parts = explode(':', $less);
$less = $parts[0];
$finalOutDir = $this->basePath . '/themes/' . $theme . '/css/';
list($fileName, ) = explode('.', $less);
$finalFile = $finalOutDir . $fileName . '.css';
$this->logMessage("\tcompiling '" . $less . "' into '" . $finalFile . "'");
$start = microtime(true);
$directories = [];
$info = new ThemeInfo($this->basePath . '/themes', $theme);
foreach (array_keys($info->getThemeInfo()) as $curTheme) {
$directories["{$this->basePath}/themes/{$curTheme}/less/"] = $this->fakePath . "themes/{$curTheme}/css/less";
}
$lessDir = $this->basePath . '/themes/' . $theme . '/less/';
if (!file_exists($lessDir . $less)) {
$this->logMessage("\t\t" . $lessDir . $less . ' does not exist; skipping.');
return;
}
$outFile = \Less_Cache::Get([$lessDir . $less => $this->fakePath . "themes/{$theme}/css/less"], ['cache_dir' => $this->tempPath, 'cache_method' => 'php', 'compress' => true, 'import_dirs' => $directories]);
$css = file_get_contents($this->tempPath . '/' . $outFile);
if (!is_dir(dirname($finalFile))) {
mkdir(dirname($finalFile));
}
file_put_contents($finalFile, $this->makeRelative($css, $less));
$this->logMessage("\t\t" . (microtime(true) - $start) . ' sec');
}