/**
* Set up header items based on contents of theme resource container.
*
* @return void
*/
public function __invoke()
{
$resourceContainer = ThemeTools::getResourceContainer();
// Set up encoding:
$headMeta = $this->getView()->plugin('headmeta');
$headMeta()->appendHttpEquiv('Content-Type', 'text/html; charset=' . $resourceContainer->getEncoding());
// Load CSS (make sure we prepend them in the appropriate order; theme
// resources should load before extras added by individual templates):
$headLink = $this->getView()->plugin('headlink');
foreach (array_reverse($resourceContainer->getCss()) as $current) {
$parts = explode(':', $current);
$headLink()->prependStylesheet(trim($parts[0]), isset($parts[1]) ? trim($parts[1]) : 'all', isset($parts[2]) ? trim($parts[2]) : false);
}
// Load Javascript (same ordering considerations as CSS, above):
$headScript = $this->getView()->plugin('headscript');
foreach (array_reverse($resourceContainer->getJs()) as $current) {
$parts = explode(':', $current);
$headScript()->prependFile(trim($parts[0]), 'text/javascript', isset($parts[1]) ? array('conditional' => trim($parts[1])) : array());
}
// If we have a favicon, load it now:
$favicon = $resourceContainer->getFavicon();
if (!empty($favicon)) {
$imageLink = $this->getView()->plugin('imagelink');
$headLink(array('href' => $imageLink($favicon), 'type' => 'image/x-icon', 'rel' => 'shortcut icon'));
}
}
/**
* 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;
}