2018-01-26 15:50:15 +01:00

373 lines
9.7 KiB
PHP

<?php
namespace Elementor;
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly.
}
/**
* Elementor image size control.
*
* A base control for creating image size control. Displays input fields to define
* one of the default image sizes (thumbnail, medium, medium_large, large) or set
* a custom dimension.
*
* Creating new control in the editor (inside `Widget_Base::_register_controls()`
* method):
*
* $this->add_group_control(
* Group_Control_Image_Size::get_type(),
* [
* 'name' => 'thumbnail',
* 'default' => 'large',
* 'exclude' => [],
* 'include' => [],
* 'separator' => 'before',
* ]
* );
*
* @since 1.0.0
*
* @param string $name The field name.
* @param string $default Optional. The default image size. Default is empty.
* @param array $exclude Optional. Image size to exclude. Default is empty.
* @param array $include Optional. Image size to include. Default is empty.
* @param string $separator Optional. Set the position of the control separator.
* Available values are 'default', 'before', 'after'
* and 'none'. 'default' will position the separator
* depending on the control type. 'before' / 'after'
* will position the separator before/after the
* control. 'none' will hide the separator. Default
* is 'default'.
*/
class Group_Control_Image_Size extends Group_Control_Base {
/**
* Fields.
*
* Holds all the image size control fields.
*
* @since 1.2.2
* @access protected
* @static
*
* @var array Image size control fields.
*/
protected static $fields;
/**
* Retrieve type.
*
* Get image size control type.
*
* @since 1.0.0
* @access public
* @static
*
* @return string Control type.
*/
public static function get_type() {
return 'image-size';
}
/**
* Retrieve attachment image HTML.
*
* Get the attachment image HTML code.
*
* @since 1.0.0
* @access public
* @static
*
* @param array $settings {
* Control settings.
*
* @type array $image {
* Optional. Image data.
*
* @type string $id Optional. Image ID.
* @type string $url Optional. Image URL.
* }
* @type string $image_size Optional. Image size.
* @type string $hover_animation Optional. Hover animation.
* }
* @param string $setting_key Optional. Settings key. Default is `image`.
*
* @return string Image HTML.
*/
public static function get_attachment_image_html( $settings, $setting_key = 'image' ) {
$id = $settings[ $setting_key ]['id'];
// Old version of image settings.
if ( ! isset( $settings[ $setting_key . '_size' ] ) ) {
$settings[ $setting_key . '_size' ] = '';
}
$size = $settings[ $setting_key . '_size' ];
$image_class = ! empty( $settings['hover_animation'] ) ? 'elementor-animation-' . $settings['hover_animation'] : '';
$html = '';
// If is the new version - with image size.
$image_sizes = get_intermediate_image_sizes();
$image_sizes[] = 'full';
if ( ! empty( $id ) && in_array( $size, $image_sizes ) ) {
$image_class .= " attachment-$size size-$size";
$image_attr = [
'class' => trim( $image_class ),
];
$html .= wp_get_attachment_image( $id, $size, false, $image_attr );
} else {
$image_src = self::get_attachment_image_src( $id, $setting_key, $settings );
if ( ! $image_src && isset( $settings[ $setting_key ]['url'] ) ) {
$image_src = $settings[ $setting_key ]['url'] ;
}
if ( ! empty( $image_src ) ) {
$image_class_html = ! empty( $image_class ) ? ' class="' . $image_class . '"' : '';
$html .= sprintf( '<img src="%s" title="%s" alt="%s"%s />', esc_attr( $image_src ), Control_Media::get_image_title( $settings[ $setting_key ] ), Control_Media::get_image_alt( $settings[ $setting_key ] ), $image_class_html );
}
}
return $html;
}
/**
* Retrieve all image sizes.
*
* Get available image sizes with data like `width`, `height` and `crop`.
*
* @since 1.0.0
* @access public
* @static
*
* @return array An array of available image sizes.
*/
public static function get_all_image_sizes() {
global $_wp_additional_image_sizes;
$default_image_sizes = [ 'thumbnail', 'medium', 'medium_large', 'large' ];
$image_sizes = [];
foreach ( $default_image_sizes as $size ) {
$image_sizes[ $size ] = [
'width' => (int) get_option( $size . '_size_w' ),
'height' => (int) get_option( $size . '_size_h' ),
'crop' => (bool) get_option( $size . '_crop' ),
];
}
if ( $_wp_additional_image_sizes ) {
$image_sizes = array_merge( $image_sizes, $_wp_additional_image_sizes );
}
/** This filter is documented in wp-admin/includes/media.php */
return apply_filters( 'image_size_names_choose', $image_sizes );
}
/**
* Get attachment image src.
*
* Retrieve the attachment image source URL.
*
* @since 1.0.0
* @access public
* @static
*
* @param string $attachment_id The attachment ID.
* @param string $group_name Group name.
* @param array $settings Control settings.
*
* @return string Attachment image source URL.
*/
public static function get_attachment_image_src( $attachment_id, $group_name, array $settings ) {
if ( empty( $attachment_id ) ) {
return false;
}
$size = $settings[ $group_name . '_size' ];
if ( 'custom' !== $size ) {
$attachment_size = $size;
} else {
// Use BFI_Thumb script
// TODO: Please rewrite this code.
require_once( ELEMENTOR_PATH . 'includes/libraries/bfi-thumb/bfi-thumb.php' );
$custom_dimension = $settings[ $group_name . '_custom_dimension' ];
$attachment_size = [
// Defaults sizes
0 => null, // Width.
1 => null, // Height.
'bfi_thumb' => true,
'crop' => true,
];
$has_custom_size = false;
if ( ! empty( $custom_dimension['width'] ) ) {
$has_custom_size = true;
$attachment_size[0] = $custom_dimension['width'];
}
if ( ! empty( $custom_dimension['height'] ) ) {
$has_custom_size = true;
$attachment_size[1] = $custom_dimension['height'];
}
if ( ! $has_custom_size ) {
$attachment_size = 'full';
}
}
$image_src = wp_get_attachment_image_src( $attachment_id, $attachment_size );
return ! empty( $image_src[0] ) ? $image_src[0] : '';
}
/**
* Retrieve child default arguments.
*
* Get the default arguments for all the child controls for a specific group
* control.
*
* @since 1.2.2
* @access protected
*
* @return array Default arguments for all the child controls.
*/
protected function get_child_default_args() {
return [
'include' => [],
'exclude' => [],
];
}
/**
* Init fields.
*
* Initialize image size control fields.
*
* @since 1.2.2
* @access protected
*
* @return array Control fields.
*/
protected function init_fields() {
$fields = [];
$fields['size'] = [
'label' => _x( 'Image Size', 'Image Size Control', 'elementor' ),
'type' => Controls_Manager::SELECT,
'label_block' => false,
];
$fields['custom_dimension'] = [
'label' => _x( 'Image Dimension', 'Image Size Control', 'elementor' ),
'type' => Controls_Manager::IMAGE_DIMENSIONS,
'description' => __( 'You can crop the original image size to any custom size. You can also set a single value for height or width in order to keep the original size ratio.', 'elementor' ),
'condition' => [
'size' => 'custom',
],
'separator' => 'none',
];
return $fields;
}
/**
* Prepare fields.
*
* Process image size control fields before adding them to `add_control()`.
*
* @since 1.2.2
* @access protected
*
* @param array $fields Image size control fields.
*
* @return array Processed fields.
*/
protected function prepare_fields( $fields ) {
$image_sizes = $this->_get_image_sizes();
$args = $this->get_args();
if ( ! empty( $args['default'] ) && isset( $image_sizes[ $args['default'] ] ) ) {
$default_value = $args['default'];
} else {
// Get the first item for default value.
$default_value = array_keys( $image_sizes );
$default_value = array_shift( $default_value );
}
$fields['size']['options'] = $image_sizes;
$fields['size']['default'] = $default_value;
if ( ! isset( $image_sizes['custom'] ) ) {
unset( $fields['custom_dimension'] );
}
return parent::prepare_fields( $fields );
}
/**
* Retrieve image sizes.
*
* Get available image sizes after filtering `include` and `exclude` arguments.
*
* @since 1.0.0
* @access private
*
* @return array Filtered image sizes.
*/
private function _get_image_sizes() {
$wp_image_sizes = self::get_all_image_sizes();
$args = $this->get_args();
if ( $args['include'] ) {
$wp_image_sizes = array_intersect_key( $wp_image_sizes, array_flip( $args['include'] ) );
} elseif ( $args['exclude'] ) {
$wp_image_sizes = array_diff_key( $wp_image_sizes, array_flip( $args['exclude'] ) );
}
$image_sizes = [];
foreach ( $wp_image_sizes as $size_key => $size_attributes ) {
$control_title = ucwords( str_replace( '_', ' ', $size_key ) );
if ( is_array( $size_attributes ) ) {
$control_title .= sprintf( ' - %d x %d', $size_attributes['width'], $size_attributes['height'] );
}
$image_sizes[ $size_key ] = $control_title;
}
$image_sizes['full'] = _x( 'Full', 'Image Size Control', 'elementor' );
if ( ! empty( $args['include']['custom'] ) || ! in_array( 'custom', $args['exclude'] ) ) {
$image_sizes['custom'] = _x( 'Custom', 'Image Size Control', 'elementor' );
}
return $image_sizes;
}
/**
* @since 1.9.0
* @access protected
*/
protected function get_default_options() {
return [
'popover' => false,
];
}
}