/**
* 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;
$currentTheme = ThemeTools::findContainingTheme($relPath);
if (is_null($currentTheme)) {
return null;
}
$urlHelper = $this->getView()->plugin('url');
return $urlHelper('home') . "themes/{$currentTheme}/" . $relPath;
}
/**
* Create HTML link element from data item
*
* @param stdClass $item data item
*
* @return string
*/
public function itemToString(\stdClass $item)
{
// Normalize href to account for themes, then call the parent class:
$relPath = 'css/' . $item->href;
$currentTheme = ThemeTools::findContainingTheme($relPath);
if (!empty($currentTheme)) {
$urlHelper = $this->getView()->plugin('url');
$item->href = $urlHelper('home') . "themes/{$currentTheme}/" . $relPath;
}
return parent::itemToString($item);
}
/**
* 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'];
$currentTheme = ThemeTools::findContainingTheme($relPath);
if (!empty($currentTheme)) {
$urlHelper = $this->getView()->plugin('url');
$item->attributes['src'] = $urlHelper('home') . "themes/{$currentTheme}/" . $relPath;
}
}
return parent::itemToString($item, $indent, $escapeStart, $escapeEnd);
}
/**
* 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 = array(''))
{
// Check all supported image formats:
$filenames = array();
foreach ($formats as $format) {
$filenames[] = $path . $format;
}
$fileMatch = ThemeTools::findContainingTheme($filenames, true);
return empty($fileMatch) ? false : $fileMatch;
}
