/**
* @param Closure|null $callback
* @return string
*/
public function render(Closure $callback = null)
{
$data = $this->treemap->getMap();
$data = $this->format($data, $this->treemap);
array_walk($data, [$this, 'nodeRenderrer']);
if ($callback) {
array_walk($data, $callback);
}
return $this->renderInternal($data);
}
/**
* @param Treemap $root
* @param $id
* @return array
*/
protected function getPresenters(Treemap $root, $id)
{
$presenters = [];
foreach ($root->getMap() as $key => $node) {
if (isset($node[$root->childrenAttribute]) && !empty($node[$root->childrenAttribute])) {
$map = new Treemap($node[$root->childrenAttribute], $root->width, $root->height);
$map->valueAttribute = $root->valueAttribute;
$map->childrenAttribute = $root->childrenAttribute;
$map->setNodeFrameResolver([$this, 'resolveNodeFrame']);
$key = "{$id}-{$key}";
$presenter = new HtmlPresenter($map);
$presenters[$key] = $presenter;
$presenters = array_merge($presenters, $this->getPresenters($map, $key));
}
}
return $presenters;
}