params = $params;
}
public function getEngine(Config $params)
{
if ($this->engine) {
return $this->engine;
}
$base = $params['templates'];
$theme = $params['theme']['templates'];
// Use internal templates if no templates
// dir exists in the working directory
if (!is_dir($base)) {
$base = __DIR__ . '/../../../templates';
}
// Create new Plates instance
$this->engine = new Engine($base);
if (!is_dir($theme)) {
$theme = $base;
}
$this->engine->addFolder('theme', $theme, true);
Daux::writeln("Starting Template engine with basedir '$base' and theme folder '$theme'.", OutputInterface::VERBOSITY_VERBOSE);
$this->registerFunctions($this->engine);
return $this->engine;
}
/**
* @param string $name
* @param array $data
* @return string
*/
public function render($name, array $data = [])
{
$engine = $this->getEngine($data['params']);
$engine->addData([
'base_url' => $data['params']['base_url'],
'base_page' => $data['params']['base_page'],
'page' => $data['page'],
'params' => $data['params'],
'tree' => $data['params']['tree'],
]);
Daux::writeln("Rendering template '$name'", OutputInterface::VERBOSITY_VERBOSE);
return $engine->render($name, $data);
}
protected function registerFunctions($engine)
{
$engine->registerFunction('get_navigation', function ($tree, $path, $current_url, $base_page, $mode) {
$nav = $this->buildNavigation($tree, $path, $current_url, $base_page, $mode);
return $this->renderNavigation($nav);
});
$engine->registerFunction('translate', function ($key) {
$language = $this->params['language'];
if (isset($this->engine->getData('page')['page'])) {
$page = $this->engine->getData('page');
if (is_array($page['page'])) {
$language = $page['page']['language'];
}
}
if (array_key_exists($language, $this->params['strings'])) {
if (array_key_exists($key, $this->params['strings'][$language])) {
return $this->params['strings'][$language][$key];
}
}
if (array_key_exists($key, $this->params['strings']['en'])) {
return $this->params['strings']['en'][$key];
}
return "Unknown key $key";
});
$engine->registerFunction('get_breadcrumb_title', function ($page, $base_page) {
$title = '';
$breadcrumb_trail = $page['breadcrumb_trail'];
$separator = $this->getSeparator($page['breadcrumb_separator']);
foreach ($breadcrumb_trail as $value) {
$title .= '' . $value['title'] . '' . $separator;
}
if ($page['filename'] === 'index' || $page['filename'] === '_index') {
if ($page['title'] != '') {
$title = substr($title, 0, -1 * strlen($separator));
}
} else {
$title .= '' . $page['title'] . '';
}
return $title;
});
}
private function renderNavigation($entries)
{
$nav = '';
foreach ($entries as $entry) {
if (array_key_exists('children', $entry)) {
$icon = ' ';
if (array_key_exists('href', $entry)) {
$link = '' . $icon . $entry['title'] . '';
} else {
$link = '' . $icon . $entry['title'] . '';
}
$link .= $this->renderNavigation($entry['children']);
} else {
$link = '' . $entry['title'] . '';
}
$nav .= "$link";
}
return "";
}
private function buildNavigation(Directory $tree, $path, $current_url, $base_page, $mode)
{
$nav = [];
foreach ($tree->getEntries() as $node) {
$url = $node->getUri();
if ($node instanceof Content) {
if ($node->isIndex()) {
continue;
}
$link = ($path === '') ? $url : $path . '/' . $url;
$nav[] = [
'title' => $node->getTitle(),
'href' => $base_page . $link,
'class' => $node->isHotPath() ? 'Nav__item--active' : '',
];
} elseif ($node instanceof Directory) {
if (!$node->hasContent()) {
continue;
}
$folder = [
'title' => $node->getTitle(),
'class' => $node->isHotPath() ? 'Nav__item--open' : '',
];
if ($index = $node->getIndexPage()) {
$folder['href'] = $base_page . $index->getUrl();
}
//Child pages
$new_path = ($path === '') ? $url : $path . '/' . $url;
$folder['children'] = $this->buildNavigation($node, $new_path, $current_url, $base_page, $mode);
if (!empty($folder['children'])) {
$folder['class'] .= ' has-children';
}
$nav[] = $folder;
}
}
return $nav;
}
/**
* @param string $separator
* @return string
*/
private function getSeparator($separator)
{
switch ($separator) {
case 'Chevrons':
return ' ';
default:
return $separator;
}
}
}