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<?php
namespace ElementorPro\Modules\LoopBuilder\Skins;
use ElementorPro\Modules\LoopBuilder\Documents\Loop;
use ElementorPro\Modules\LoopBuilder\Documents\Loop as LoopDocument;
use ElementorPro\Modules\LoopBuilder\Files\Css\Loop as Loop_CSS;
use ElementorPro\Modules\LoopBuilder\Files\Css\Loop_Preview;
use ElementorPro\Modules\LoopBuilder\Module;
use ElementorPro\Modules\LoopBuilder\Widgets\Base as Loop_Widget_Base;
use ElementorPro\Modules\Posts\Skins\Skin_Base;
use ElementorPro\Modules\QueryControl\Controls\Group_Control_Related;
use ElementorPro\Plugin;
use ElementorPro\Modules\LoopBuilder\Traits\Alternate_Templates_Trait;
use Elementor\Utils;
use Elementor\Core\Files\CSS\Post as Post_CSS;
use ElementorPro\Modules\LoopBuilder\Files\Css\Loop_Css_Trait;
use ElementorPro\Modules\Posts\Traits\Query_Note_Trait;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
/**
* Loop Base
*
* Base Skin for Loop widgets.
*
* @since 3.8.0
*/
class Skin_Loop_Base extends Skin_Base {
use Alternate_Templates_Trait;
use Loop_Css_Trait;
use Query_Note_Trait;
public function get_id() {
return MODULE::LOOP_BASE_SKIN_ID;
}
public function get_title() {
return esc_html__( 'Loop Base', 'elementor-pro' );
}
/**
* Register Query Controls
*
* Registers the controls for the query used by the Loop.
*
* @since 3.8.0
*/
public function register_query_controls( Loop_Widget_Base $widget ) {
$this->parent = $widget;
$this->add_group_control(
Group_Control_Related::get_type(),
[
'name' => Module::QUERY_ID,
'presets' => [ 'full' ],
'exclude' => [
'posts_per_page', // Use the one from Layout section
],
]
);
if ( 'loop-grid' === $widget->get_name() && $this->is_editing_archive_template() ) {
$this->inject_archive_query_note( 'post_query_query_id', 'post_query_post_type', $widget );
}
}
protected function maybe_add_load_more_wrapper_class() {
$settings = $this->parent->get_settings_for_display();
/** @var Loop_Widget_Base $widget */
$widget = $this->parent;
if ( isset( $settings['pagination_type'] ) && 'load_more_on_click' === $settings['pagination_type'] ) {
// If Pagination is enabled with the Load More On Click option, a class is needed for targeting.
// The 'wrapper' element tag is used by the Button Widget Trait.
$widget->add_render_attribute( 'wrapper', 'class', 'e-loop__load-more' );
}
}
public function query_posts() {
return $this->query_posts_for_alternate_templates();
}
/**
* Enqueue Loop Document CSS Meta
*
* Process the template before beginning to loop through the items. This ensures that
* elements with dynamic CSS are identified before each individual item is rendered.
*
* @param int $post_id
*
* @return void
*/
protected function enqueue_loop_document_css_meta( $post_id ) {
if ( $this->post_meta_css_exists( $post_id ) ) {
return;
}
if ( wp_is_post_autosave( $post_id ) ) {
$css_file = Loop_Preview::create( $post_id );
} else {
$css_file = Loop_CSS::create( $post_id );
}
/** @var Loop|Loop_Preview $css_file */
$css_file->update();
}
private function post_meta_css_exists( $post_id ) {
return ! empty( get_post_meta( $post_id, Post_CSS::META_KEY ) );
}
public function render() {
$template_id = $this->parent->get_settings_for_display( 'template_id' );
$is_edit_mode = Plugin::elementor()->editor->is_edit_mode();
/** @var Loop_Widget_Base $widget */
$widget = $this->parent;
$current_document = Plugin::elementor()->documents->get_current();
if ( $template_id ) {
$this->enqueue_loop_document_css_meta( $template_id );
$this->alternate_template_before_skin_render();
$this->maybe_add_load_more_wrapper_class();
$widget->before_skin_render();
parent::render();
$widget->after_skin_render();
$this->alternate_template_after_skin_render();
} elseif ( $is_edit_mode ) {
$this->render_empty_view();
}
if ( $current_document ) {
Plugin::elementor()->documents->switch_to_document( $current_document );
}
}
protected function add_render_hooks() {
global $wp_query;
$wp_query->is_loop_widget = true;
add_filter( 'elementor-pro/off-canvas/id', [ $this, 'filter_off_canvas_id' ] );
}
protected function remove_render_hooks() {
global $wp_query;
unset( $wp_query->is_loop_widget );
remove_filter( 'elementor-pro/off-canvas/id', [ $this, 'filter_off_canvas_id' ] );
}
public function filter_off_canvas_id( $off_canvas_id ) {
return $this->parent->get_id() . '-' . get_the_ID() . '-' . $off_canvas_id;
}
protected function handle_no_posts_found() {
$settings = $this->parent->get_settings_for_display();
?>
<div class="e-loop-nothing-found-message">
<?php
if ( isset( $settings['enable_nothing_found_message'] ) && 'yes' === $settings['enable_nothing_found_message'] ) {
$nothing_found_message_html_tag = Utils::validate_html_tag( $settings['nothing_found_message_html_tag'] ); ?>
<<?php Utils::print_validated_html_tag( $nothing_found_message_html_tag ); ?> class="e-loop-nothing-found-message__text">
<?php Utils::print_unescaped_internal_string( $settings['nothing_found_message_text'] ); ?>
</<?php Utils::print_validated_html_tag( $nothing_found_message_html_tag ); ?>>
<?php
}
?></div>
<?php
}
protected function get_loop_header_widget_classes() {
/** @var Loop_Widget_Base $widget */
$widget = $this->parent;
$classes = $widget->get_loop_header_widget_classes();
$classes[] = 'elementor-loop-container';
return $classes;
}
protected function _register_controls_actions() {
add_action( 'elementor/element/' . $this->parent->get_name() . '/section_query/after_section_start', [ $this, 'register_query_controls' ] );
}
/**
* Render Post
*
* Uses the chosen custom template to render Loop posts.
*
* @since 3.8.0
*/
protected function render_post() {
if ( $this->has_alternate_templates() ) {
$this->render_post_if_widget_has_alternate_templates();
} else {
$this->render_post_content( $this->parent->get_settings_for_display( 'template_id' ) );
}
}
private function render_post_content( $template_id ) {
$post_id = get_the_ID();
/** @var LoopDocument $document */
$document = Plugin::elementor()->documents->get( $template_id );
if ( ! $document ) {
return;
}
$this->print_dynamic_css( $post_id, $template_id );
$document->print_content();
}
protected function render_loop_header() {
/** @var Loop_Widget_Base $widget */
$widget = $this->parent;
$config = $widget->get_config();
if ( $config['add_parent_render_header'] ) {
parent::render_loop_header();
}
$widget->render_loop_header();
}
protected function render_loop_footer() {
/** @var Loop_Widget_Base $widget */
$widget = $this->parent;
$config = $widget->get_config();
if ( $config['add_parent_render_footer'] ) {
parent::render_loop_footer();
}
$widget->render_loop_footer();
}
/**
* Render Empty View
*
* Renders the Loop widget's view if there is no default template (empty view).
*
* @since 3.8.0
*/
protected function render_empty_view() {
?>
<div class="e-loop-empty-view__wrapper"><!-- Will be filled with JS --></div>
<?php
}
}