abstract class td_category_top_posts_style {
// we keep the buffer and posts count for private use here:
private $rendered_block_buffer = '';
private $rendered_posts_count = 0;
/**
* force all the td_category_top_posts_style s to have this method.
* each top posts style, uses this method:
* - it calls @see render_posts_to_buffer()
* - and if @see get_rendered_post_count() != 0
* - it will show @see get_buffer() and the wrappers
*/
abstract function show_top_posts();
/**
* we have to render the block first in the buffer, to avoid two queries.
* - IF there are posts, we already have the buffer with the block's content and we don't have to make another query
* - IF there are no posts, we ignore the buffer and we can also remove the wraps in the child classes of this class
*/
protected function render_posts_to_buffer() {
// get the global category top posts grid style setting
$td_grid_style = td_util::get_option('tds_category_td_grid_style');
$limit = td_api_category_top_posts_style::_helper_get_posts_shown_in_the_loop();
$block_name = td_api_category_top_posts_style::get_key(get_class($this), 'td_block_name');
// overwrite the $td_grid_style if the setting for this category was changed
$td_grid_style_per_category_setting = td_util::get_category_option(td_global::$current_category_obj->cat_ID, 'tdc_category_td_grid_style');
if ($td_grid_style_per_category_setting != '') {
$td_grid_style = $td_grid_style_per_category_setting;
}
// we have to have a default grid, there seems to be a problem with the grid styles
if (empty($td_grid_style)) {
$td_grid_style = 'td-grid-style-1';
}
//parameters to filter to for big grid
$atts_for_big_grid = array(
'limit' => $limit,
'category_id' => td_global::$current_category_obj->cat_ID,
'sort' => get_query_var('filter_by'),
'td_grid_style' => $td_grid_style
);
//show the big grid
$block_instance = td_global_blocks::get_instance($block_name);
$this->rendered_block_buffer = $block_instance->render($atts_for_big_grid);
$this->rendered_posts_count = $block_instance->td_query->post_count;
if ($this->rendered_posts_count > 0) {
td_global::$custom_no_posts_message = false;
}
// use class_name($this) to get the id :)
}
/**
* gets the buffer, should be called after @see render_posts_to_buffer();
* @return string
*/
protected function get_buffer() {
return $this->rendered_block_buffer;
}
/**
* gets the number of posts @via td_global_blocks::get_instance($block_name)->td_query->post_count;
* @see render_posts_to_buffer();
* @return string
*/
protected function get_rendered_post_count() {
return $this->rendered_posts_count;
}
}
