/**
* Update registry of metaplates
*
* Note: Does not save the metaplate itself.
*
* @param array $new_value The new item to add.
* @param string $id Id of new item to add.
*
* @return bool
*/
private function update_registry($new_value, $id)
{
return data::update_registry($new_value, $id);
}
/**
* Return the content with metaplate applied.
*
* @uses "the_content" filter
*
* @param string $content Post content
* @param array|null $meta_stalk Optional. The metaplate to use to render the data. If is null, the default, one will be load, if possible, based on current global $post object.
* @param array|null $template_data Optional. Prepared field data to render metaplate with. If is null, the default, meta stalk will be retrieved, if possible, based on current global $post object.
* @param string|null $placement Optional. Where to put the template output, before, after or in place of $content. If is null, option from metaplate is used. Default is--funcitonally speaking--replace. Options: prepend|append|replace|null.
*
* @return string Rendered HTML with templates applied--if templates and data were provided.
*/
public function render_metaplate($content, $meta_stack = null, $template_data = null, $placement = null)
{
if (is_null($meta_stack)) {
$meta_stack = data::get_active_metaplates();
}
// clear out <!--metaplate-->
$content = str_replace('<p><!--metaplate--></p>', '', $content);
// in case the wpautop didnt detect the tag.
$content = str_replace('<!--metaplate-->', '', $content);
if (empty($meta_stack)) {
return $content;
}
if (is_null($template_data)) {
global $post;
if (caldera_metaplate_pods_mode()) {
$instance_id = $template_data['ID'];
} else {
$instance_id = $post->ID;
$template_data = data::get_custom_field_data($post->ID);
}
} else {
$instance_id = md5(json_encode((array) $template_data));
}
// setup the instance record
if (!isset($this->rendered_posts[$instance_id])) {
$this->rendered_posts[$instance_id] = array();
}
if (!$template_data || empty($template_data)) {
return $content;
}
// unserilize if needed.
if (true != caldera_metaplate_pods_mode()) {
foreach ($template_data as &$meta_item) {
$meta_item = maybe_unserialize($meta_item);
}
}
// add filter.
$magic = new filter\magictag();
$content = $magic->do_magic_tag(trim($content));
$style_data = null;
$script_data = null;
$engine = new Handlebars();
$engine = $this->helpers($engine);
foreach ($meta_stack as $metaplate) {
if (!isset($metaplate['id'])) {
$metaplate['id'] = md5(json_encode((array) $template_data));
}
// add metaplate_id to rendered plates for this post
if (isset($this->rendered_posts[$instance_id])) {
if (!empty($this->rendered_posts[$instance_id][$metaplate['id']])) {
continue;
}
$this->rendered_posts[$instance_id][$metaplate['id']] = true;
}
// apply filter to data for this metaplate
$template_data = apply_filters('metaplate_data', $template_data, $metaplate);
// check CSS
if (isset($metaplate['css']['code'])) {
$style_data .= $engine->render($metaplate['css']['code'], $template_data);
} else {
$style_data = '';
}
if (isset($metaplate['js']['code'])) {
// check JS
$script_data .= $engine->render($metaplate['js']['code'], $template_data);
} else {
$script_data = '';
}
if (!is_null($placement)) {
$metaplate['placement'] = $placement;
}
if (!isset($metaplate['placement']) || !in_array($metaplate['placement'], array('prepend', 'append', 'replace'))) {
$metaplate['placement'] = false;
}
$template = $metaplate['html']['code'];
switch ($metaplate['placement']) {
case 'prepend':
$content = $engine->render($template, $template_data) . $content;
break;
case 'append':
$content .= $engine->render($template, $template_data);
break;
case 'replace':
$content = $engine->render(str_replace('{{content}}', $content, $template), $template_data);
break;
default:
$content = $engine->render(str_replace('{{content}}', $content, $template), $template_data);
}
}
// insert CSS
if (!empty($style_data)) {
$content = '<style>' . $style_data . '</style>' . $content;
}
// insert JS
if (!empty($script_data)) {
$content .= '<script type="text/javascript">' . $script_data . '</script>';
}
// add magic filter.
$magic = new filter\magictag();
$content = $magic->do_magic_tag($content);
return $content;
}