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<?php
namespace Elementor;

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

use Elementor\Core\Kits\Documents\Tabs\Global_Colors;
use Elementor\Core\Kits\Documents\Tabs\Global_Typography;

/**
 * Elementor image widget.
 *
 * Elementor widget that displays an image into the page.
 *
 * @since 1.0.0
 */
class Widget_Image extends Widget_Base {

/**
	 * Get widget name.
	 *
	 * Retrieve image widget name.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @return string Widget name.
	 */
	public function get_name() {
		return 'image';
	}

/**
	 * Get widget title.
	 *
	 * Retrieve image widget title.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @return string Widget title.
	 */
	public function get_title() {
		return esc_html__( 'Image', 'elementor' );
	}

/**
	 * Get widget icon.
	 *
	 * Retrieve image widget icon.
	 *
	 * @since 1.0.0
	 * @access public
	 *
	 * @return string Widget icon.
	 */
	public function get_icon() {
		return 'eicon-image';
	}

/**
	 * Get widget categories.
	 *
	 * Retrieve the list of categories the image widget belongs to.
	 *
	 * Used to determine where to display the widget in the editor.
	 *
	 * @since 2.0.0
	 * @access public
	 *
	 * @return array Widget categories.
	 */
	public function get_categories() {
		return [ 'basic' ];
	}

/**
	 * 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' ];
	}

protected function is_dynamic_content(): bool {
		return false;
	}

/**
	 * Get style dependencies.
	 *
	 * Retrieve the list of style dependencies the widget requires.
	 *
	 * @since 3.24.0
	 * @access public
	 *
	 * @return array Widget style dependencies.
	 */
	public function get_style_depends(): array {
		return [ 'widget-image' ];
	}

public function has_widget_inner_wrapper(): bool {
		return ! Plugin::$instance->experiments->is_feature_active( 'e_optimized_markup' );
	}

/**
	 * Register image 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',
			[
				'label' => esc_html__( 'Image', 'elementor' ),
			]
		);

$this->add_control(
			'image',
			[
				'label' => esc_html__( 'Choose Image', 'elementor' ),
				'type' => Controls_Manager::MEDIA,
				'dynamic' => [
					'active' => true,
				],
				'default' => [
					'url' => Utils::get_placeholder_image_src(),
				],
			]
		);

$this->add_group_control(
			Group_Control_Image_Size::get_type(),
			[
				'name' => 'image', // Usage: `{name}_size` and `{name}_custom_dimension`, in this case `image_size` and `image_custom_dimension`.
				'default' => 'large',
				'condition' => [
					'image[url]!' => '',
				],
			]
		);

$this->add_control(
			'caption_source',
			[
				'label' => esc_html__( 'Caption', 'elementor' ),
				'type' => Controls_Manager::SELECT,
				'options' => [
					'none' => esc_html__( 'None', 'elementor' ),
					'attachment' => esc_html__( 'Attachment Caption', 'elementor' ),
					'custom' => esc_html__( 'Custom Caption', 'elementor' ),
				],
				'default' => 'none',
				'condition' => [
					'image[url]!' => '',
				],
			]
		);

$this->add_control(
			'caption',
			[
				'label' => esc_html__( 'Custom Caption', 'elementor' ),
				'type' => Controls_Manager::TEXT,
				'default' => '',
				'placeholder' => esc_html__( 'Enter your image caption', 'elementor' ),
				'condition' => [
					'image[url]!' => '',
					'caption_source' => 'custom',
				],
				'dynamic' => [
					'active' => 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' ),
				],
				'condition' => [
					'image[url]!' => '',
				],
			]
		);

$this->add_control(
			'link',
			[
				'label' => esc_html__( 'Link', 'elementor' ),
				'type' => Controls_Manager::URL,
				'dynamic' => [
					'active' => true,
				],
				'condition' => [
					'image[url]!' => '',
					'link_to' => 'custom',
				],
				'show_label' => false,
			]
		);

$this->add_control(
			'open_lightbox',
			[
				'label' => esc_html__( 'Lightbox', 'elementor' ),
				'type' => Controls_Manager::SELECT,
				'description' => sprintf(
					/* translators: 1: Link open tag, 2: Link close tag. */
					esc_html__( 'Manage your site’s lightbox settings in the %1$sLightbox panel%2$s.', 'elementor' ),
					'<a href="javascript: $e.run( \'panel/global/open\' ).then( () => $e.route( \'panel/global/settings-lightbox\' ) )">',
					'</a>'
				),
				'default' => 'default',
				'options' => [
					'default' => esc_html__( 'Default', 'elementor' ),
					'yes' => esc_html__( 'Yes', 'elementor' ),
					'no' => esc_html__( 'No', 'elementor' ),
				],
				'condition' => [
					'image[url]!' => '',
					'link_to' => 'file',
				],
			]
		);

$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(
			'align',
			[
				'label' => esc_html__( 'Alignment', 'elementor' ),
				'type' => Controls_Manager::CHOOSE,
				'options' => [
					'start' => [
						'title' => esc_html__( 'Start', 'elementor' ),
						'icon' => 'eicon-text-align-left',
					],
					'center' => [
						'title' => esc_html__( 'Center', 'elementor' ),
						'icon' => 'eicon-text-align-center',
					],
					'end' => [
						'title' => esc_html__( 'End', 'elementor' ),
						'icon' => 'eicon-text-align-right',
					],
				],
				'classes' => 'elementor-control-start-end',
				'selectors_dictionary' => [
					'left' => is_rtl() ? 'end' : 'start',
					'right' => is_rtl() ? 'start' : 'end',
				],
				'selectors' => [
					'{{WRAPPER}}' => 'text-align: {{VALUE}};',
				],
			]
		);

$this->add_responsive_control(
			'width',
			[
				'label' => esc_html__( 'Width', 'elementor' ),
				'type' => Controls_Manager::SLIDER,
				'default' => [
					'unit' => '%',
				],
				'tablet_default' => [
					'unit' => '%',
				],
				'mobile_default' => [
					'unit' => '%',
				],
				'size_units' => [ 'px', '%', 'em', 'rem', 'vw', 'custom' ],
				'range' => [
					'%' => [
						'min' => 1,
						'max' => 100,
					],
					'px' => [
						'min' => 1,
						'max' => 1000,
					],
					'vw' => [
						'min' => 1,
						'max' => 100,
					],
				],
				'selectors' => [
					'{{WRAPPER}} img' => 'width: {{SIZE}}{{UNIT}};',
				],
			]
		);

$this->add_responsive_control(
			'space',
			[
				'label' => esc_html__( 'Max Width', 'elementor' ),
				'type' => Controls_Manager::SLIDER,
				'default' => [
					'unit' => '%',
				],
				'tablet_default' => [
					'unit' => '%',
				],
				'mobile_default' => [
					'unit' => '%',
				],
				'size_units' => [ 'px', '%', 'em', 'rem', 'vw', 'custom' ],
				'range' => [
					'%' => [
						'min' => 1,
						'max' => 100,
					],
					'px' => [
						'min' => 1,
						'max' => 1000,
					],
					'vw' => [
						'min' => 1,
						'max' => 100,
					],
				],
				'selectors' => [
					'{{WRAPPER}} img' => 'max-width: {{SIZE}}{{UNIT}};',
				],
			]
		);

$this->add_responsive_control(
			'height',
			[
				'label' => esc_html__( 'Height', 'elementor' ),
				'type' => Controls_Manager::SLIDER,
				'size_units' => [ 'px', '%', 'em', 'rem', 'vh', 'custom' ],
				'range' => [
					'px' => [
						'min' => 1,
						'max' => 500,
					],
					'vh' => [
						'min' => 1,
						'max' => 100,
					],
				],
				'selectors' => [
					'{{WRAPPER}} img' => 'height: {{SIZE}}{{UNIT}};',
				],
			]
		);

$this->add_responsive_control(
			'object-fit',
			[
				'label' => esc_html__( 'Object Fit', 'elementor' ),
				'type' => Controls_Manager::SELECT,
				'condition' => [
					'height[size]!' => '',
				],
				'options' => [
					'' => esc_html__( 'Default', 'elementor' ),
					'fill' => esc_html__( 'Fill', 'elementor' ),
					'cover' => esc_html__( 'Cover', 'elementor' ),
					'contain' => esc_html__( 'Contain', 'elementor' ),
					'scale-down' => esc_html__( 'Scale Down', 'elementor' ),
				],
				'default' => '',
				'selectors' => [
					'{{WRAPPER}} img' => 'object-fit: {{VALUE}};',
				],
			]
		);

$this->add_responsive_control(
			'object-position',
			[
				'label' => esc_html__( 'Object Position', 'elementor' ),
				'type' => Controls_Manager::SELECT,
				'options' => [
					'center center' => esc_html__( 'Center Center', 'elementor' ),
					'center left' => esc_html__( 'Center Left', 'elementor' ),
					'center right' => esc_html__( 'Center Right', 'elementor' ),
					'top center' => esc_html__( 'Top Center', 'elementor' ),
					'top left' => esc_html__( 'Top Left', 'elementor' ),
					'top right' => esc_html__( 'Top Right', 'elementor' ),
					'bottom center' => esc_html__( 'Bottom Center', 'elementor' ),
					'bottom left' => esc_html__( 'Bottom Left', 'elementor' ),
					'bottom right' => esc_html__( 'Bottom Right', 'elementor' ),
				],
				'default' => 'center center',
				'selectors' => [
					'{{WRAPPER}} img' => 'object-position: {{VALUE}};',
				],
				'condition' => [
					'height[size]!' => '',
					'object-fit' => [ 'cover', 'contain', 'scale-down' ],
				],
			]
		);

$this->add_control(
			'separator_panel_style',
			[
				'type' => Controls_Manager::DIVIDER,
				'style' => 'thick',
			]
		);

$this->start_controls_tabs( 'image_effects' );

$this->start_controls_tab( 'normal',
			[
				'label' => esc_html__( 'Normal', 'elementor' ),
			]
		);

$this->add_control(
			'opacity',
			[
				'label' => esc_html__( 'Opacity', 'elementor' ),
				'type' => Controls_Manager::SLIDER,
				'range' => [
					'px' => [
						'max' => 1,
						'min' => 0.10,
						'step' => 0.01,
					],
				],
				'selectors' => [
					'{{WRAPPER}} img' => 'opacity: {{SIZE}};',
				],
			]
		);

$this->add_group_control(
			Group_Control_Css_Filter::get_type(),
			[
				'name' => 'css_filters',
				'selector' => '{{WRAPPER}} img',
			]
		);

$this->end_controls_tab();

$this->start_controls_tab( 'hover',
			[
				'label' => esc_html__( 'Hover', 'elementor' ),
			]
		);

$this->add_control(
			'opacity_hover',
			[
				'label' => esc_html__( 'Opacity', 'elementor' ),
				'type' => Controls_Manager::SLIDER,
				'range' => [
					'px' => [
						'max' => 1,
						'min' => 0.10,
						'step' => 0.01,
					],
				],
				'selectors' => [
					'{{WRAPPER}}:hover img' => 'opacity: {{SIZE}};',
				],
			]
		);

$this->add_group_control(
			Group_Control_Css_Filter::get_type(),
			[
				'name' => 'css_filters_hover',
				'selector' => '{{WRAPPER}}:hover img',
			]
		);

$this->add_control(
			'background_hover_transition',
			[
				'label' => esc_html__( 'Transition Duration', 'elementor' ) . ' (s)',
				'type' => Controls_Manager::SLIDER,
				'range' => [
					'px' => [
						'min' => 0,
						'max' => 3,
						'step' => 0.1,
					],
				],
				'selectors' => [
					'{{WRAPPER}} img' => 'transition-duration: {{SIZE}}s',
				],
			]
		);

$this->add_control(
			'hover_animation',
			[
				'label' => esc_html__( 'Hover Animation', 'elementor' ),
				'type' => Controls_Manager::HOVER_ANIMATION,
			]
		);

$this->end_controls_tab();

$this->end_controls_tabs();

$this->add_group_control(
			Group_Control_Border::get_type(),
			[
				'name' => 'image_border',
				'selector' => '{{WRAPPER}} img',
				'separator' => 'before',
			]
		);

$this->add_responsive_control(
			'image_border_radius',
			[
				'label' => esc_html__( 'Border Radius', 'elementor' ),
				'type' => Controls_Manager::DIMENSIONS,
				'size_units' => [ 'px', '%', 'em', 'rem', 'custom' ],
				'selectors' => [
					'{{WRAPPER}} img' => 'border-radius: {{TOP}}{{UNIT}} {{RIGHT}}{{UNIT}} {{BOTTOM}}{{UNIT}} {{LEFT}}{{UNIT}};',
				],
			]
		);

$this->add_group_control(
			Group_Control_Box_Shadow::get_type(),
			[
				'name' => 'image_box_shadow',
				'exclude' => [
					'box_shadow_position',
				],
				'selector' => '{{WRAPPER}} img',
			]
		);

$this->end_controls_section();

$this->start_controls_section(
			'section_style_caption',
			[
				'label' => esc_html__( 'Caption', 'elementor' ),
				'tab'   => Controls_Manager::TAB_STYLE,
				'condition' => [
					'image[url]!' => '',
					'caption_source!' => 'none',
				],
			]
		);

$this->add_responsive_control(
			'caption_align',
			[
				'label' => esc_html__( 'Alignment', 'elementor' ),
				'type' => Controls_Manager::CHOOSE,
				'options' => [
					'start' => [
						'title' => esc_html__( 'Start', 'elementor' ),
						'icon' => 'eicon-text-align-left',
					],
					'center' => [
						'title' => esc_html__( 'Center', 'elementor' ),
						'icon' => 'eicon-text-align-center',
					],
					'end' => [
						'title' => esc_html__( 'End', 'elementor' ),
						'icon' => 'eicon-text-align-right',
					],
					'justify' => [
						'title' => esc_html__( 'Justified', 'elementor' ),
						'icon' => 'eicon-text-align-justify',
					],
				],
				'classes' => 'elementor-control-start-end',
				'selectors_dictionary' => [
					'left' => is_rtl() ? 'end' : 'start',
					'right' => is_rtl() ? 'start' : 'end',
				],
				'default' => '',
				'selectors' => [
					'{{WRAPPER}} .widget-image-caption' => 'text-align: {{VALUE}};',
				],
			]
		);

$this->add_control(
			'text_color',
			[
				'label' => esc_html__( 'Text Color', 'elementor' ),
				'type' => Controls_Manager::COLOR,
				'default' => '',
				'selectors' => [
					'{{WRAPPER}} .widget-image-caption' => 'color: {{VALUE}};',
				],
				'global' => [
					'default' => Global_Colors::COLOR_TEXT,
				],
			]
		);

$this->add_control(
			'caption_background_color',
			[
				'label' => esc_html__( 'Background Color', 'elementor' ),
				'type' => Controls_Manager::COLOR,
				'selectors' => [
					'{{WRAPPER}} .widget-image-caption' => 'background-color: {{VALUE}};',
				],
			]
		);

$this->add_group_control(
			Group_Control_Typography::get_type(),
			[
				'name' => 'caption_typography',
				'selector' => '{{WRAPPER}} .widget-image-caption',
				'global' => [
					'default' => Global_Typography::TYPOGRAPHY_TEXT,
				],
			]
		);

$this->add_group_control(
			Group_Control_Text_Shadow::get_type(),
			[
				'name' => 'caption_text_shadow',
				'selector' => '{{WRAPPER}} .widget-image-caption',
			]
		);

$this->add_responsive_control(
			'caption_space',
			[
				'label' => esc_html__( 'Spacing', 'elementor' ),
				'type' => Controls_Manager::SLIDER,
				'size_units' => [ 'px', 'em', 'rem', 'custom' ],
				'range' => [
					'px' => [
						'max' => 100,
					],
					'em' => [
						'min' => 0,
						'max' => 10,
					],
					'rem' => [
						'min' => 0,
						'max' => 10,
					],
				],
				'selectors' => [
					'{{WRAPPER}} .widget-image-caption' => 'margin-block-start: {{SIZE}}{{UNIT}};',
				],
			]
		);

$this->end_controls_section();
	}

/**
	 * Check if the current widget has caption
	 *
	 * @access private
	 * @since 2.3.0
	 *
	 * @param array $settings
	 *
	 * @return boolean
	 */
	private function has_caption( $settings ) {
		return ( ! empty( $settings['caption_source'] ) && 'none' !== $settings['caption_source'] );
	}

/**
	 * Get the caption for current widget.
	 *
	 * @access private
	 * @since 2.3.0
	 * @param array $settings
	 *
	 * @return string
	 */
	private function get_caption( $settings ) {
		$caption = '';
		if ( ! empty( $settings['caption_source'] ) ) {
			switch ( $settings['caption_source'] ) {
				case 'attachment':
					$caption = wp_get_attachment_caption( $settings['image']['id'] );
					break;
				case 'custom':
					$caption = ! Utils::is_empty( $settings['caption'] ) ? $settings['caption'] : '';
			}
		}
		return $caption;
	}

/**
	 * Render image 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['image']['url'] ) ) {
			return;
		}

$has_caption = $this->has_caption( $settings );

$link = $this->get_link_url( $settings );

if ( $link ) {
			$this->add_link_attributes( 'link', $link );

if ( Plugin::$instance->editor->is_edit_mode() ) {
				$this->add_render_attribute( 'link', [
					'class' => 'elementor-clickable',
				] );
			}

if ( 'custom' !== $settings['link_to'] ) {
				$this->add_lightbox_data_attributes( 'link', $settings['image']['id'], $settings['open_lightbox'] );
			}
		} ?>
			<?php if ( $has_caption ) : ?>
				<figure class="wp-caption">
			<?php endif; ?>
			<?php if ( $link ) : ?>
					<a <?php $this->print_render_attribute_string( 'link' ); ?>>
			<?php endif; ?>
				<?php Group_Control_Image_Size::print_attachment_image_html( $settings ); ?>
			<?php if ( $link ) : ?>
					</a>
			<?php endif; ?>
			<?php if ( $has_caption ) : ?>
					<figcaption class="widget-image-caption wp-caption-text"><?php
						echo wp_kses_post( $this->get_caption( $settings ) );
					?></figcaption>
			<?php endif; ?>
			<?php if ( $has_caption ) : ?>
				</figure>
			<?php endif; ?>
		<?php
	}

public function render_markdown(): string {
		$settings = $this->get_settings_for_display();

if ( empty( $settings['image']['url'] ) ) {
			return '';
		}

$url = esc_url( $settings['image']['url'] );
		$alt = $this->get_image_alt_text( $settings );
		$image_md = '![' . $alt . '](' . $url . ')';

$link = $this->get_link_url( $settings );

if ( ! empty( $link['url'] ) && $link['url'] !== $url ) {
			$image_md = '[' . $image_md . '](' . esc_url( $link['url'] ) . ')';
		}

$caption = $this->get_visible_caption( $settings );

if ( ! empty( $caption ) ) {
			$image_md .= "\n" . $caption;
		}

return $image_md;
	}

private function get_image_alt_text( array $settings ): string {
		if ( empty( $settings['image']['id'] ) ) {
			return '';
		}

$attachment_id = $settings['image']['id'];

$alt = get_post_meta( $attachment_id, '_wp_attachment_image_alt', true );

if ( ! empty( $alt ) ) {
			return $alt;
		}

$attachment = get_post( $attachment_id );

if ( ! $attachment ) {
			return '';
		}

return $attachment->post_title ?? '';
	}

private function get_visible_caption( array $settings ): string {
		if ( ! $this->has_caption( $settings ) ) {
			return '';
		}

return Utils::html_to_plain_text( $this->get_caption( $settings ) );
	}

/**
	 * Render image widget output in the editor.
	 *
	 * Written as a Backbone JavaScript template and used to generate the live preview.
	 *
	 * @since 2.9.0
	 * @access protected
	 */
	protected function content_template() {
		?>
		<# if ( settings.image.url ) {
			var image = {
				id: settings.image.id,
				url: settings.image.url,
				size: settings.image_size,
				dimension: settings.image_custom_dimension,
				model: view.getEditModel()
			};

var image_url = elementor.imagesManager.getImageUrl( image );

if ( ! image_url ) {
				return;
			}

var hasCaption = function() {
				if( ! settings.caption_source || 'none' === settings.caption_source ) {
					return false;
				}
				return true;
			}

var ensureAttachmentData = function( id ) {
				if ( 'undefined' === typeof wp.media.attachment( id ).get( 'caption' ) ) {
					wp.media.attachment( id ).fetch().then( function( data ) {
						view.render();
					} );
				}
			}

var getAttachmentCaption = function( id ) {
				if ( ! id ) {
					return '';
				}
				ensureAttachmentData( id );
				return wp.media.attachment( id ).get( 'caption' );
			}

var getCaption = function() {
				if ( ! hasCaption() ) {
					return '';
				}
				return 'custom' === settings.caption_source ? settings.caption : getAttachmentCaption( settings.image.id );
			}

var link_url;

if ( 'custom' === settings.link_to ) {
				link_url = settings.link?.url;
			}

if ( 'file' === settings.link_to ) {
				link_url = settings.image.url;
			}

var imgClass = '';

if ( '' !== settings.hover_animation ) {
				imgClass = 'elementor-animation-' + settings.hover_animation;
			}

if ( hasCaption() ) {
				#><figure class="wp-caption"><#
			}

if ( link_url ) {
					#><a class="elementor-clickable" data-elementor-open-lightbox="{{ settings.open_lightbox }}" href="{{ elementor.helpers.sanitizeUrl( link_url ) }}"><#
			}
						#><img src="{{ image_url }}" class="{{ imgClass }}" /><#

if ( link_url ) {
					#></a><#
			}

if ( hasCaption() ) {
					#><figcaption class="widget-image-caption wp-caption-text">{{{ getCaption() }}}</figcaption><#
			}

if ( hasCaption() ) {
				#></figure><#
			}
		} #>
		<?php
	}

/**
	 * Retrieve image widget link URL.
	 *
	 * @since 3.11.0
	 * @access protected
	 *
	 * @param array $settings
	 *
	 * @return array|string|false An array/string containing the link URL, or false if no link.
	 */
	protected function get_link_url( $settings ) {
		if ( 'none' === $settings['link_to'] ) {
			return false;
		}

if ( 'custom' === $settings['link_to'] ) {
			if ( empty( $settings['link']['url'] ) ) {
				return false;
			}

return $settings['link'];
		}

return [
			'url' => $settings['image']['url'],
		];
	}
}

Editing: image.php

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