balmet.com

image-carousel.php (20872B)

---

 <?php
 namespace Elementor;
 
 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly.
 }
 
 use Elementor\Core\Kits\Documents\Tabs\Global_Colors;
 
 /**
  * Elementor image carousel widget.
  *
  * Elementor widget that displays a set of images in a rotating carousel or
  * slider.
  *
  * @since 1.0.0
  */
 class Widget_Image_Carousel extends Widget_Base {
 
 	/**
 	 * Get widget name.
 	 *
 	 * Retrieve image carousel widget name.
 	 *
 	 * @since 1.0.0
 	 * @access public
 	 *
 	 * @return string Widget name.
 	 */
 	public function get_name() {
 		return 'image-carousel';
 	}
 
 	/**
 	 * Get widget title.
 	 *
 	 * Retrieve image carousel widget title.
 	 *
 	 * @since 1.0.0
 	 * @access public
 	 *
 	 * @return string Widget title.
 	 */
 	public function get_title() {
 		return esc_html__( 'Image Carousel', 'elementor' );
 	}
 
 	/**
 	 * Get widget icon.
 	 *
 	 * Retrieve image carousel widget icon.
 	 *
 	 * @since 1.0.0
 	 * @access public
 	 *
 	 * @return string Widget icon.
 	 */
 	public function get_icon() {
 		return 'eicon-slider-push';
 	}
 
 	/**
 	 * Get widget keywords.
 	 *
 	 * Retrieve the list of keywords the widget belongs to.
 	 *
 	 * @since 2.1.0
 	 * @access public
 	 *
 	 * @return array Widget keywords.
 	 */
 	public function get_keywords() {
 		return [ 'image', 'photo', 'visual', 'carousel', 'slider' ];
 	}
 
 	/**
 	 * Register image carousel widget controls.
 	 *
 	 * Adds different input fields to allow the user to change and customize the widget settings.
 	 *
 	 * @since 3.1.0
 	 * @access protected
 	 */
 	protected function register_controls() {
 		$this->start_controls_section(
 			'section_image_carousel',
 			[
 				'label' => esc_html__( 'Image Carousel', 'elementor' ),
 			]
 		);
 
 		$this->add_control(
 			'carousel',
 			[
 				'label' => esc_html__( 'Add Images', 'elementor' ),
 				'type' => Controls_Manager::GALLERY,
 				'default' => [],
 				'show_label' => false,
 				'dynamic' => [
 					'active' => true,
 				],
 			]
 		);
 
 		$this->add_group_control(
 			Group_Control_Image_Size::get_type(),
 			[
 				'name' => 'thumbnail', // Usage: `{name}_size` and `{name}_custom_dimension`, in this case `thumbnail_size` and `thumbnail_custom_dimension`.
 				'separator' => 'none',
 			]
 		);
 
 		$slides_to_show = range( 1, 10 );
 		$slides_to_show = array_combine( $slides_to_show, $slides_to_show );
 
 		$this->add_responsive_control(
 			'slides_to_show',
 			[
 				'label' => esc_html__( 'Slides to Show', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'options' => [
 					'' => esc_html__( 'Default', 'elementor' ),
 				] + $slides_to_show,
 				'frontend_available' => true,
 				'render_type' => 'template',
 				'selectors' => [
 					'{{WRAPPER}}' => '--e-image-carousel-slides-to-show: {{VALUE}}',
 				],
 			]
 		);
 
 		$this->add_responsive_control(
 			'slides_to_scroll',
 			[
 				'label' => esc_html__( 'Slides to Scroll', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'description' => esc_html__( 'Set how many slides are scrolled per swipe.', 'elementor' ),
 				'options' => [
 					'' => esc_html__( 'Default', 'elementor' ),
 				] + $slides_to_show,
 				'condition' => [
 					'slides_to_show!' => '1',
 				],
 				'frontend_available' => true,
 			]
 		);
 
 		$this->add_control(
 			'image_stretch',
 			[
 				'label' => esc_html__( 'Image Stretch', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => 'no',
 				'options' => [
 					'no' => esc_html__( 'No', 'elementor' ),
 					'yes' => esc_html__( 'Yes', 'elementor' ),
 				],
 			]
 		);
 
 		$this->add_control(
 			'navigation',
 			[
 				'label' => esc_html__( 'Navigation', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => 'both',
 				'options' => [
 					'both' => esc_html__( 'Arrows and Dots', 'elementor' ),
 					'arrows' => esc_html__( 'Arrows', 'elementor' ),
 					'dots' => esc_html__( 'Dots', 'elementor' ),
 					'none' => esc_html__( 'None', 'elementor' ),
 				],
 				'frontend_available' => true,
 			]
 		);
 
 		$this->add_control(
 			'link_to',
 			[
 				'label' => esc_html__( 'Link', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => 'none',
 				'options' => [
 					'none' => esc_html__( 'None', 'elementor' ),
 					'file' => esc_html__( 'Media File', 'elementor' ),
 					'custom' => esc_html__( 'Custom URL', 'elementor' ),
 				],
 			]
 		);
 
 		$this->add_control(
 			'link',
 			[
 				'label' => esc_html__( 'Link', 'elementor' ),
 				'type' => Controls_Manager::URL,
 				'placeholder' => esc_html__( 'https://your-link.com', 'elementor' ),
 				'condition' => [
 					'link_to' => 'custom',
 				],
 				'show_label' => false,
 			]
 		);
 
 		$this->add_control(
 			'open_lightbox',
 			[
 				'label' => esc_html__( 'Lightbox', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => 'default',
 				'options' => [
 					'default' => esc_html__( 'Default', 'elementor' ),
 					'yes' => esc_html__( 'Yes', 'elementor' ),
 					'no' => esc_html__( 'No', 'elementor' ),
 				],
 				'condition' => [
 					'link_to' => 'file',
 				],
 			]
 		);
 
 		$this->add_control(
 			'caption_type',
 			[
 				'label' => esc_html__( 'Caption', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => '',
 				'options' => [
 					'' => esc_html__( 'None', 'elementor' ),
 					'title' => esc_html__( 'Title', 'elementor' ),
 					'caption' => esc_html__( 'Caption', 'elementor' ),
 					'description' => esc_html__( 'Description', 'elementor' ),
 				],
 			]
 		);
 
 		$this->add_control(
 			'view',
 			[
 				'label' => esc_html__( 'View', 'elementor' ),
 				'type' => Controls_Manager::HIDDEN,
 				'default' => 'traditional',
 			]
 		);
 
 		$this->end_controls_section();
 
 		$this->start_controls_section(
 			'section_additional_options',
 			[
 				'label' => esc_html__( 'Additional Options', 'elementor' ),
 			]
 		);
 
 		$this->add_control(
 			'autoplay',
 			[
 				'label' => esc_html__( 'Autoplay', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => 'yes',
 				'options' => [
 					'yes' => esc_html__( 'Yes', 'elementor' ),
 					'no' => esc_html__( 'No', 'elementor' ),
 				],
 				'frontend_available' => true,
 			]
 		);
 
 		$this->add_control(
 			'pause_on_hover',
 			[
 				'label' => esc_html__( 'Pause on Hover', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => 'yes',
 				'options' => [
 					'yes' => esc_html__( 'Yes', 'elementor' ),
 					'no' => esc_html__( 'No', 'elementor' ),
 				],
 				'condition' => [
 					'autoplay' => 'yes',
 				],
 				'render_type' => 'none',
 				'frontend_available' => true,
 			]
 		);
 
 		$this->add_control(
 			'pause_on_interaction',
 			[
 				'label' => esc_html__( 'Pause on Interaction', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => 'yes',
 				'options' => [
 					'yes' => esc_html__( 'Yes', 'elementor' ),
 					'no' => esc_html__( 'No', 'elementor' ),
 				],
 				'condition' => [
 					'autoplay' => 'yes',
 				],
 				'frontend_available' => true,
 			]
 		);
 
 		$this->add_control(
 			'autoplay_speed',
 			[
 				'label' => esc_html__( 'Autoplay Speed', 'elementor' ),
 				'type' => Controls_Manager::NUMBER,
 				'default' => 5000,
 				'condition' => [
 					'autoplay' => 'yes',
 				],
 				'render_type' => 'none',
 				'frontend_available' => true,
 			]
 		);
 
 		// Loop requires a re-render so no 'render_type = none'
 		$this->add_control(
 			'infinite',
 			[
 				'label' => esc_html__( 'Infinite Loop', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => 'yes',
 				'options' => [
 					'yes' => esc_html__( 'Yes', 'elementor' ),
 					'no' => esc_html__( 'No', 'elementor' ),
 				],
 				'frontend_available' => true,
 			]
 		);
 
 		$this->add_control(
 			'effect',
 			[
 				'label' => esc_html__( 'Effect', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => 'slide',
 				'options' => [
 					'slide' => esc_html__( 'Slide', 'elementor' ),
 					'fade' => esc_html__( 'Fade', 'elementor' ),
 				],
 				'condition' => [
 					'slides_to_show' => '1',
 				],
 				'frontend_available' => true,
 			]
 		);
 
 		$this->add_control(
 			'speed',
 			[
 				'label' => esc_html__( 'Animation Speed', 'elementor' ),
 				'type' => Controls_Manager::NUMBER,
 				'default' => 500,
 				'render_type' => 'none',
 				'frontend_available' => true,
 			]
 		);
 
 		$this->add_control(
 			'direction',
 			[
 				'label' => esc_html__( 'Direction', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => 'ltr',
 				'options' => [
 					'ltr' => esc_html__( 'Left', 'elementor' ),
 					'rtl' => esc_html__( 'Right', 'elementor' ),
 				],
 			]
 		);
 
 		$this->end_controls_section();
 
 		$this->start_controls_section(
 			'section_style_navigation',
 			[
 				'label' => esc_html__( 'Navigation', 'elementor' ),
 				'tab' => Controls_Manager::TAB_STYLE,
 				'condition' => [
 					'navigation' => [ 'arrows', 'dots', 'both' ],
 				],
 			]
 		);
 
 		$this->add_control(
 			'heading_style_arrows',
 			[
 				'label' => esc_html__( 'Arrows', 'elementor' ),
 				'type' => Controls_Manager::HEADING,
 				'separator' => 'before',
 				'condition' => [
 					'navigation' => [ 'arrows', 'both' ],
 				],
 			]
 		);
 
 		$this->add_control(
 			'arrows_position',
 			[
 				'label' => esc_html__( 'Position', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => 'inside',
 				'options' => [
 					'inside' => esc_html__( 'Inside', 'elementor' ),
 					'outside' => esc_html__( 'Outside', 'elementor' ),
 				],
 				'prefix_class' => 'elementor-arrows-position-',
 				'condition' => [
 					'navigation' => [ 'arrows', 'both' ],
 				],
 			]
 		);
 
 		$this->add_control(
 			'arrows_size',
 			[
 				'label' => esc_html__( 'Size', 'elementor' ),
 				'type' => Controls_Manager::SLIDER,
 				'range' => [
 					'px' => [
 						'min' => 20,
 						'max' => 60,
 					],
 				],
 				'selectors' => [
 					'{{WRAPPER}} .elementor-swiper-button.elementor-swiper-button-prev, {{WRAPPER}} .elementor-swiper-button.elementor-swiper-button-next' => 'font-size: {{SIZE}}{{UNIT}};',
 				],
 				'condition' => [
 					'navigation' => [ 'arrows', 'both' ],
 				],
 			]
 		);
 
 		$this->add_control(
 			'arrows_color',
 			[
 				'label' => esc_html__( 'Color', 'elementor' ),
 				'type' => Controls_Manager::COLOR,
 				'selectors' => [
 					'{{WRAPPER}} .elementor-swiper-button.elementor-swiper-button-prev, {{WRAPPER}} .elementor-swiper-button.elementor-swiper-button-next' => 'color: {{VALUE}};',
 				],
 				'condition' => [
 					'navigation' => [ 'arrows', 'both' ],
 				],
 			]
 		);
 
 		$this->add_control(
 			'heading_style_dots',
 			[
 				'label' => esc_html__( 'Dots', 'elementor' ),
 				'type' => Controls_Manager::HEADING,
 				'separator' => 'before',
 				'condition' => [
 					'navigation' => [ 'dots', 'both' ],
 				],
 			]
 		);
 
 		$this->add_control(
 			'dots_position',
 			[
 				'label' => esc_html__( 'Position', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'default' => 'outside',
 				'options' => [
 					'outside' => esc_html__( 'Outside', 'elementor' ),
 					'inside' => esc_html__( 'Inside', 'elementor' ),
 				],
 				'prefix_class' => 'elementor-pagination-position-',
 				'condition' => [
 					'navigation' => [ 'dots', 'both' ],
 				],
 			]
 		);
 
 		$this->add_control(
 			'dots_size',
 			[
 				'label' => esc_html__( 'Size', 'elementor' ),
 				'type' => Controls_Manager::SLIDER,
 				'range' => [
 					'px' => [
 						'min' => 5,
 						'max' => 10,
 					],
 				],
 				'selectors' => [
 					'{{WRAPPER}} .swiper-pagination-bullet' => 'width: {{SIZE}}{{UNIT}}; height: {{SIZE}}{{UNIT}};',
 				],
 				'condition' => [
 					'navigation' => [ 'dots', 'both' ],
 				],
 			]
 		);
 
 		$this->add_control(
 			'dots_color',
 			[
 				'label' => esc_html__( 'Color', 'elementor' ),
 				'type' => Controls_Manager::COLOR,
 				'selectors' => [
 					'{{WRAPPER}} .swiper-pagination-bullet' => 'background: {{VALUE}};',
 				],
 				'condition' => [
 					'navigation' => [ 'dots', 'both' ],
 				],
 			]
 		);
 
 		$this->end_controls_section();
 
 		$this->start_controls_section(
 			'section_style_image',
 			[
 				'label' => esc_html__( 'Image', 'elementor' ),
 				'tab' => Controls_Manager::TAB_STYLE,
 			]
 		);
 
 		$this->add_responsive_control(
 			'gallery_vertical_align',
 			[
 				'label' => esc_html__( 'Vertical Align', 'elementor' ),
 				'type' => Controls_Manager::CHOOSE,
 				'options' => [
 					'flex-start' => [
 						'title' => esc_html__( 'Start', 'elementor' ),
 						'icon' => 'eicon-v-align-top',
 					],
 					'center' => [
 						'title' => esc_html__( 'Center', 'elementor' ),
 						'icon' => 'eicon-v-align-middle',
 					],
 					'flex-end' => [
 						'title' => esc_html__( 'End', 'elementor' ),
 						'icon' => 'eicon-v-align-bottom',
 					],
 				],
 				'condition' => [
 					'slides_to_show!' => '1',
 				],
 				'selectors' => [
 					'{{WRAPPER}} .swiper-wrapper' => 'display: flex; align-items: {{VALUE}};',
 				],
 			]
 		);
 
 		$this->add_control(
 			'image_spacing',
 			[
 				'label' => esc_html__( 'Spacing', 'elementor' ),
 				'type' => Controls_Manager::SELECT,
 				'options' => [
 					'' => esc_html__( 'Default', 'elementor' ),
 					'custom' => esc_html__( 'Custom', 'elementor' ),
 				],
 				'default' => '',
 				'condition' => [
 					'slides_to_show!' => '1',
 				],
 			]
 		);
 
 		$this->add_control(
 			'image_spacing_custom',
 			[
 				'label' => esc_html__( 'Image Spacing', 'elementor' ),
 				'type' => Controls_Manager::SLIDER,
 				'range' => [
 					'px' => [
 						'max' => 100,
 					],
 				],
 				'default' => [
 					'size' => 20,
 				],
 				'show_label' => false,
 				'condition' => [
 					'image_spacing' => 'custom',
 					'slides_to_show!' => '1',
 				],
 				'frontend_available' => true,
 				'render_type' => 'none',
 				'separator' => 'after',
 			]
 		);
 
 		$this->add_group_control(
 			Group_Control_Border::get_type(),
 			[
 				'name' => 'image_border',
 				'selector' => '{{WRAPPER}} .elementor-image-carousel-wrapper .elementor-image-carousel .swiper-slide-image',
 			]
 		);
 
 		$this->add_control(
 			'image_border_radius',
 			[
 				'label' => esc_html__( 'Border Radius', 'elementor' ),
 				'type' => Controls_Manager::DIMENSIONS,
 				'size_units' => [ 'px', '%' ],
 				'selectors' => [
 					'{{WRAPPER}} .elementor-image-carousel-wrapper .elementor-image-carousel .swiper-slide-image' => 'border-radius: {{TOP}}{{UNIT}} {{RIGHT}}{{UNIT}} {{BOTTOM}}{{UNIT}} {{LEFT}}{{UNIT}};',
 				],
 			]
 		);
 
 		$this->end_controls_section();
 
 		$this->start_controls_section(
 			'section_caption',
 			[
 				'label' => esc_html__( 'Caption', 'elementor' ),
 				'tab' => Controls_Manager::TAB_STYLE,
 				'condition' => [
 					'caption_type!' => '',
 				],
 			]
 		);
 
 		$this->add_control(
 			'caption_align',
 			[
 				'label' => esc_html__( 'Alignment', 'elementor' ),
 				'type' => Controls_Manager::CHOOSE,
 				'options' => [
 					'left' => [
 						'title' => esc_html__( 'Left', 'elementor' ),
 						'icon' => 'eicon-text-align-left',
 					],
 					'center' => [
 						'title' => esc_html__( 'Center', 'elementor' ),
 						'icon' => 'eicon-text-align-center',
 					],
 					'right' => [
 						'title' => esc_html__( 'Right', 'elementor' ),
 						'icon' => 'eicon-text-align-right',
 					],
 					'justify' => [
 						'title' => esc_html__( 'Justified', 'elementor' ),
 						'icon' => 'eicon-text-align-justify',
 					],
 				],
 				'default' => 'center',
 				'selectors' => [
 					'{{WRAPPER}} .elementor-image-carousel-caption' => 'text-align: {{VALUE}};',
 				],
 			]
 		);
 
 		$this->add_control(
 			'caption_text_color',
 			[
 				'label' => esc_html__( 'Text Color', 'elementor' ),
 				'type' => Controls_Manager::COLOR,
 				'default' => '',
 				'selectors' => [
 					'{{WRAPPER}} .elementor-image-carousel-caption' => 'color: {{VALUE}};',
 				],
 			]
 		);
 
 		$this->add_group_control(
 			Group_Control_Typography::get_type(),
 			[
 				'name' => 'caption_typography',
 				'global' => [
 					'default' => Global_Colors::COLOR_ACCENT,
 				],
 				'selector' => '{{WRAPPER}} .elementor-image-carousel-caption',
 			]
 		);
 
 		$this->add_group_control(
 			Group_Control_Text_Shadow::get_type(),
 			[
 				'name' => 'caption_shadow',
 				'selector' => '{{WRAPPER}} .elementor-image-carousel-caption',
 			]
 		);
 
 		$this->end_controls_section();
 
 	}
 
 	/**
 	 * Render image carousel widget output on the frontend.
 	 *
 	 * Written in PHP and used to generate the final HTML.
 	 *
 	 * @since 1.0.0
 	 * @access protected
 	 */
 	protected function render() {
 		$settings = $this->get_settings_for_display();
 
 		if ( empty( $settings['carousel'] ) ) {
 			return;
 		}
 
 		$slides = [];
 
 		foreach ( $settings['carousel'] as $index => $attachment ) {
 			$image_url = Group_Control_Image_Size::get_attachment_image_src( $attachment['id'], 'thumbnail', $settings );
 
 			if ( ! $image_url && isset( $attachment['url'] ) ) {
 				$image_url = $attachment['url'];
 			}
 
 			$image_html = '<img class="swiper-slide-image" src="' . esc_attr( $image_url ) . '" alt="' . esc_attr( Control_Media::get_image_alt( $attachment ) ) . '" />';
 
 			$link_tag = '';
 
 			$link = $this->get_link_url( $attachment, $settings );
 
 			if ( $link ) {
 				$link_key = 'link_' . $index;
 
 				$this->add_lightbox_data_attributes( $link_key, $attachment['id'], $settings['open_lightbox'], $this->get_id() );
 
 				if ( Plugin::$instance->editor->is_edit_mode() ) {
 					$this->add_render_attribute( $link_key, [
 						'class' => 'elementor-clickable',
 					] );
 				}
 
 				$this->add_link_attributes( $link_key, $link );
 
 				$link_tag = '<a ' . $this->get_render_attribute_string( $link_key ) . '>';
 			}
 
 			$image_caption = $this->get_image_caption( $attachment );
 
 			$slide_html = '<div class="swiper-slide">' . $link_tag . '<figure class="swiper-slide-inner">' . $image_html;
 
 			if ( ! empty( $image_caption ) ) {
 				$slide_html .= '<figcaption class="elementor-image-carousel-caption">' . wp_kses_post( $image_caption ) . '</figcaption>';
 			}
 
 			$slide_html .= '</figure>';
 
 			if ( $link ) {
 				$slide_html .= '</a>';
 			}
 
 			$slide_html .= '</div>';
 
 			$slides[] = $slide_html;
 
 		}
 
 		if ( empty( $slides ) ) {
 			return;
 		}
 
 		$this->add_render_attribute( [
 			'carousel' => [
 				'class' => 'elementor-image-carousel swiper-wrapper',
 			],
 			'carousel-wrapper' => [
 				'class' => 'elementor-image-carousel-wrapper swiper-container',
 				'dir' => $settings['direction'],
 			],
 		] );
 
 		$show_dots = ( in_array( $settings['navigation'], [ 'dots', 'both' ] ) );
 		$show_arrows = ( in_array( $settings['navigation'], [ 'arrows', 'both' ] ) );
 
 		if ( 'yes' === $settings['image_stretch'] ) {
 			$this->add_render_attribute( 'carousel', 'class', 'swiper-image-stretch' );
 		}
 
 		$slides_count = count( $settings['carousel'] );
 
 		?>
 		<div <?php $this->print_render_attribute_string( 'carousel-wrapper' ); ?>>
 			<div <?php $this->print_render_attribute_string( 'carousel' ); ?>>
 				<?php // PHPCS - $slides contains the slides content, all the relevent content is escaped above. ?>
 				<?php echo implode( '', $slides ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>
 			</div>
 			<?php if ( 1 < $slides_count ) : ?>
 				<?php if ( $show_dots ) : ?>
 					<div class="swiper-pagination"></div>
 				<?php endif; ?>
 				<?php if ( $show_arrows ) : ?>
 					<div class="elementor-swiper-button elementor-swiper-button-prev">
 						<i class="eicon-chevron-left" aria-hidden="true"></i>
 						<span class="elementor-screen-only"><?php echo esc_html__( 'Previous', 'elementor' ); ?></span>
 					</div>
 					<div class="elementor-swiper-button elementor-swiper-button-next">
 						<i class="eicon-chevron-right" aria-hidden="true"></i>
 						<span class="elementor-screen-only"><?php echo esc_html__( 'Next', 'elementor' ); ?></span>
 					</div>
 				<?php endif; ?>
 			<?php endif; ?>
 		</div>
 		<?php
 	}
 
 	/**
 	 * Retrieve image carousel link URL.
 	 *
 	 * @since 1.0.0
 	 * @access private
 	 *
 	 * @param array $attachment
 	 * @param object $instance
 	 *
 	 * @return array|string|false An array/string containing the attachment URL, or false if no link.
 	 */
 	private function get_link_url( $attachment, $instance ) {
 		if ( 'none' === $instance['link_to'] ) {
 			return false;
 		}
 
 		if ( 'custom' === $instance['link_to'] ) {
 			if ( empty( $instance['link']['url'] ) ) {
 				return false;
 			}
 
 			return $instance['link'];
 		}
 
 		return [
 			'url' => wp_get_attachment_url( $attachment['id'] ),
 		];
 	}
 
 	/**
 	 * Retrieve image carousel caption.
 	 *
 	 * @since 1.2.0
 	 * @access private
 	 *
 	 * @param array $attachment
 	 *
 	 * @return string The caption of the image.
 	 */
 	private function get_image_caption( $attachment ) {
 		$caption_type = $this->get_settings_for_display( 'caption_type' );
 
 		if ( empty( $caption_type ) ) {
 			return '';
 		}
 
 		$attachment_post = get_post( $attachment['id'] );
 
 		if ( 'caption' === $caption_type ) {
 			return $attachment_post->post_excerpt;
 		}
 
 		if ( 'title' === $caption_type ) {
 			return $attachment_post->post_title;
 		}
 
 		return $attachment_post->post_content;
 	}
 }