/**
* Run this plugin, load textdomain, adds filters & actions
*
* @return void
*/
public function initialize()
{
// Load textdomain
load_plugin_textdomain('tea-page-content', false, TEA_PAGE_CONTENT_FOLDER . '/languages/');
// Adds filters, actions, etc.
add_action('init', array($this, 'registerShortcodes'));
add_action('widgets_init', array($this, 'registerWidgets'));
// Modify Admin page
add_action('admin_footer-widgets.php', array($this, 'addPageVariablesModal'));
add_action('admin_footer-edit.php', array($this, 'addPageVariablesModal'));
add_action('admin_footer-post.php', array($this, 'addPageVariablesModal'));
add_action('admin_footer-post-new.php', array($this, 'addPageVariablesModal'));
add_action('admin_footer-edit.php', array($this, 'addInsertShortcodeModal'));
add_action('admin_footer-post.php', array($this, 'addInsertShortcodeModal'));
add_action('admin_footer-post-new.php', array($this, 'addInsertShortcodeModal'));
// Includes all css, js, etc.
add_action('wp_enqueue_scripts', array($this, 'includeAssets'), 100, 1);
add_action('admin_enqueue_scripts', array($this, 'includeAdminAssets'), 100, 1);
// Set Callbacks for ajax actions
add_action('wp_ajax_get_template_variables', array($this, 'getTemplateVariablesCallback'));
add_action('wp_ajax_generate_shortcode', array($this, 'generateShortcode'));
add_action('wp_ajax_set_notice_seen', array($this, 'setNoticeSeenCallback'));
add_action('media_buttons', array($this, 'add_my_media_button'), 1000);
// At first time notice user about possible migration
if (!get_option('tpc_deprecated_notice')) {
add_action('admin_notices', array($this, 'displayDeprecatedNotice'));
}
// Create new helper instance
$this->_helper = new TeaPageContent_Helper();
// Gets instance of the config class
$this->_config = TeaPageContent_Config::getInstance();
}
/**
* Enter point. Returns the current instance of singleton.
* Also calls init function, if instance is null
*
* @return object
*/
public static function getInstance()
{
if (is_null(self::$_instance)) {
self::$_instance = new self();
self::initialize();
}
return self::$_instance;
}
/**
* Main constructor, set up all global preferenses
* and parameters, e.g. description, title, etc.
*
* @return void
*/
public function __construct()
{
parent::__construct('tea-page-content', __('Tea Page Content', 'tea-page-content'), array('description' => __('Allows display any content of any page or post.', 'tea-page-content')), array('width' => 480));
// Get helper object
$this->_helper = new TeaPageContent_Helper();
// And config instance
$this->_config = TeaPageContent_Config::getInstance();
// Set defaults
$this->params = $this->_config->get('defaults.widget', array('per-page', 'caller'));
}
/**
* Main shortcode for this plugin
* Returns html code of rendered shortcode,
* or false if output is empty
*
* @param array $userAttrs
* @param string|null $content
* @return mixed
*/
public static function tea_page_content($userAttrs, $content = null)
{
$output = false;
$helper = new TeaPageContent_Helper();
$config = TeaPageContent_Config::getInstance();
// Shortcode defaults
$defaults = $config->get('defaults.shortcode');
$attrs = array();
foreach ($defaults as $attr_title => $attr_value) {
if ($attr_title === 'caller') {
// @todo не очень явно, магическое слово, нужно как-то вынести в конфиг или еще куда
continue;
}
if (isset($userAttrs[$attr_title])) {
$attrs[$attr_title] = $attr_value;
} else {
$attrs[$attr_title] = null;
}
}
// Merge existing attrs and user attrs
$attrs = shortcode_atts($attrs, $userAttrs);
// Get template variables for chosen template
$template_variables = $helper->getVariables($attrs['template']);
// If we have content, it means than user want set page level vars
if (!is_null($content) && trim($content)) {
// Here we will store all parsed pieces of inner shortcodes
// Because we need render it in single layout
$innerAttrsBundle = array();
$params = array();
// Split content data by shortcodes
$content = preg_split('/(\\[tea_page_content.*\\])/i', $content, null, PREG_SPLIT_DELIM_CAPTURE);
// And filter it for excluding trash data
$content = array_filter($content, function ($elem) {
if (preg_match('/^\\[tea_page_content/i', $elem)) {
return true;
}
return false;
});
// Get the entries for every piece
$params['entries'] = array();
$entries_list = array();
$pageVariables = array();
// Then, grep parsed data step by step
foreach ($content as $index => $shortcode) {
// Split every piece to params, with two separate groups for title and value
$current = preg_split('/(\\w+)=\\"([^"]+)\\"/ui', $shortcode, null, PREG_SPLIT_DELIM_CAPTURE);
$innerAttrsBundle[$index] = array();
// Now combine title and value into one param
for ($i = 0, $count = count($current); $i < $count; $i++) {
$attr = $current[$i];
// Check for non-page-level variables, if it exists, skip two iterations
if ($attr !== 'posts' && in_array($attr, array_keys($defaults))) {
$i++;
continue;
}
// Combine only if current piece is really param...
if ($i < $count - 1 && preg_match('/^[^\\[][\\w\\d]+/ui', $attr)) {
$nextAttr = $current[$i + 1];
$innerAttrsBundle[$index][$attr] = $nextAttr;
$i++;
}
}
$innerAttrs = $innerAttrsBundle[$index];
if (!array_key_exists('posts', $innerAttrs)) {
continue;
}
$current_posts = explode(',', $innerAttrs['posts']);
foreach ($current_posts as $current_post_id) {
$pageVariables[(int) $current_post_id] = $helper->extractPageVariables($innerAttrs);
}
// make dis shit dry {3}
$entries_list = array_merge($entries_list, $current_posts);
}
$params['entries'] = $helper->getPosts(array('post__in' => $entries_list, 'order' => $attrs['order']), 'flatten');
foreach ($params['entries'] as &$entry) {
// Then we can merge it with original entry.
// By default, original values in entry will be OVERRIDE,
// and if you want change this behavior,
// you can use filter `tpc_get_page_variables`
$entry = array_merge($entry, $helper->preparePageVariablesForMerge($pageVariables[$entry['id']]));
}
unset($entry);
$params['count'] = count($params['entries']);
$params = array_merge($params, $helper->getParams($attrs, 'flatten'));
} else {
// If we haven't content. It means that this is usual shortcode
// Pre-create template variables, if exists
// @todo вынести в отдельную функцию, be DRY
$attrs['template_variables'] = array();
foreach ($template_variables as $variable => $value) {
if ($value['type'] === 'caption') {
continue;
}
if (isset($userAttrs[$variable])) {
$attrs['template_variables'][$variable] = $userAttrs[$variable];
} else {
switch ($value['type']) {
case 'checkbox':
if (reset($value['defaults'])) {
$attrs['template_variables'][$variable] = $variable;
}
break;
default:
$attrs['template_variables'][$variable] = reset($value['defaults']);
break;
}
}
}
// Gets params for this shortcode
$params = $helper->getParams($attrs, 'flatten');
}
// If params is not empty render shortcode
if (!empty($attrs) && !empty($params['entries'])) {
$templatePath = $helper->getTemplatePath($attrs['template']);
$output = $helper->renderTemplate($params, $templatePath);
}
return $output;
}
/**
* Constructor
*
* @return void
*/
public function __construct()
{
// Gets instance of config object
$this->_config = TeaPageContent_Config::getInstance();
}
