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

class DiviPlusHelper extends ET_Builder_Module {

	/**
	 * Print Custom Background CSS
	 *
	 * @since 1.9.6
	 */
	public static function process_background( $args ) {

		$defaults = array(
			'render_slug'	=> '',
			'props'     	=> array(),
			'fields' 		=> array(),
			'backgrounds'	=> array(),
			'module'		=> '',
		);

		// Parse arguments.
		$args = wp_parse_args( $args, $defaults );

		if ( isset( $args['backgrounds'], $args['module'] ) && ! empty( $args['backgrounds'] ) && ! empty( $args['module'] ) ) {
			if ( ET_BUILDER_PRODUCT_VERSION < '4.16.0' ) {
				self::process_old_background( $args );
			} else {
				foreach( $args['backgrounds'] as $basename => $css_element ) {
		            $bg_args = array(
		                'base_prop_name'                => $basename,
		                'props'                         => $args['props'],
		                'important'                     => ' !important',
		                'fields_definition'             => $args['fields'],
		                'selector'                      => $css_element['normal'],
		                'selector_hover'                => $css_element['hover'],
		                'function_name'                 => $args['render_slug'],
		                'has_background_color_toggle'   => false,
		                'use_background_color'          => true,
		                'use_background_image'          => true,
		                'use_background_color_reset'    => true,
		                'use_background_video'          => false,
		                'use_background_pattern'        => false,
		                'use_background_mask'           => false,
		                'use_background_image_parallax' => false,
		                'prop_name_aliases'             => array(
		                    "use_{$basename}_color_gradient" => "{$basename}_use_color_gradient",
		                    "{$basename}" => "{$basename}_color",
		                ),
		            );

		            // Process background style.
		            et_pb_background_options()->get_background_style( $bg_args );
		        }
			}
		}
	}

	public static function process_advanced_margin_padding_css( $module, $function_name, $margin_padding, $fields = array() ) {
		$utils           = ET_Core_Data_Utils::instance();
		$all_values      = $module->props;
		$advanced_fields = $module->advanced_fields;

		// Disable if module doesn't set advanced_fields property and has no VB support.
		if ( ! $module->has_vb_support() && ! $module->has_advanced_fields ) {
			return;
		}

		$allowed_advanced_fields = $fields;
		foreach ( $allowed_advanced_fields as $advanced_field ) {
			if ( ! empty( $advanced_fields[ $advanced_field ] ) ) {
				foreach ( $advanced_fields[ $advanced_field ] as $label => $form_field ) {
					$margin_key  = "{$label}_custom_margin";
					$padding_key = "{$label}_custom_padding";
					if ( '' !== $utils->array_get( $all_values, $margin_key, '' ) || '' !== $utils->array_get( $all_values, $padding_key, '' ) ) {
						$settings = $utils->array_get( $form_field, 'margin_padding', array() );
						// Ensure main selector exists.
						$form_field_margin_padding_css = $utils->array_get( $settings, 'css.main', '' );
						if ( empty( $form_field_margin_padding_css ) ) {
							$utils->array_set( $settings, 'css.main', $utils->array_get( $form_field, 'css.main', '' ) );
						}

						$margin_padding->update_styles( $module, $label, $settings, $function_name, $advanced_field );
					}
				}
			}
		}
	}

	public static function process_multiple_checkboxes_value( $value, $values = array() ) {
		if ( empty( $values ) && ! is_array( $values ) ) {
			return '';
		}
		
		$new_values = array();
		$value 		= explode( '|', $value );
		foreach( $value as $key => $val ) {
			if ( 'on' === strtolower( $val ) ) {
				array_push( $new_values, $values[$key] );
			}
		}
		return implode( ',', $new_values );
	}

	public static function process_old_background( $args ) {

		foreach ( $args['backgrounds'] as $basename => $css_element ) {

			// Place to store processed background. It will be compared with the smaller device
			// background processed value to avoid rendering the same styles.
			$processed_background_color = '';
			$processed_background_image = '';
			$processed_background_blend = '';

			// Store background images status because the process is extensive.
			$background_image_status = array(
				'desktop' => false,
				'tablet'  => false,
				'phone'   => false,
			);

			// Background Options Styling.
			foreach ( et_pb_responsive_options()->get_modes() as $device ) {
				$background_base_name = $basename;
				$background_prefix    = "{$basename}_";
				$background_style     = '';
				$is_desktop           = 'desktop' === $device;
				$suffix               = ! $is_desktop ? "_{$device}" : '';

				$background_color_style = '';
				$background_image_style = '';
				$background_images      = array();

				$has_background_color_gradient         = false;
				$has_background_image                  = false;
				$has_background_gradient_and_image     = false;
				$is_background_color_gradient_disabled = false;
				$is_background_image_disabled          = false;

				$background_color_gradient_overlays_image = 'off';

				// Ensure responsive is active.
				if ( ! $is_desktop && ! et_pb_responsive_options()->is_responsive_enabled( $args['props'], "{$basename}_color" ) ) {
					continue;
				}

				// A. Background Gradient.
				$use_background_color_gradient = et_pb_responsive_options()->get_inheritance_background_value( $args['props'], "{$background_prefix}use_color_gradient", $device, $background_base_name, $args['fields'] );

				if ( 'on' === $use_background_color_gradient ) {
					$background_color_gradient_overlays_image = et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_overlays_image{$suffix}", '', true );

					$gradient_properties = array(
						'type'             => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_type{$suffix}", '', true ),
						'direction'        => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_direction{$suffix}", '', true ),
						'radial_direction' => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_direction_radial{$suffix}", '', true ),
						'color_start'      => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_start{$suffix}", '', true ),
						'color_end'        => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_end{$suffix}", '', true ),
						'start_position'   => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_start_position{$suffix}", '', true ),
						'end_position'     => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_end_position{$suffix}", '', true ),
					);

					// Save background gradient into background images list.
					$background_images[] = $args['module']->get_gradient( $gradient_properties );

					// Flag to inform BG Color if current module has Gradient.
					$has_background_color_gradient = true;
				} elseif ( 'off' === $use_background_color_gradient ) {
					$is_background_color_gradient_disabled = true;
				}

				// B. Background Image.
				$background_image = et_pb_responsive_options()->get_inheritance_background_value( $args['props'], "{$background_prefix}image", $device, $background_base_name, $args['fields'] );
				$parallax         = et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}parallax{$suffix}", 'off' );

				// BG image and parallax status.
				$is_background_image_active         = '' !== $background_image && 'on' !== $parallax;
				$background_image_status[ $device ] = $is_background_image_active;

				if ( $is_background_image_active ) {
					// Flag to inform BG Color if current module has Image.
					$has_background_image = true;

					// Check previous BG image status. Needed to get the correct value.
					$is_prev_background_image_active = true;
					if ( ! $is_desktop ) {
						$is_prev_background_image_active = 'tablet' === $device ? $background_image_status['desktop'] : $background_image_status['tablet'];
					}

					// Size.
					$background_size_default = ET_Builder_Element::$_->array_get( $args['fields'], "{$background_prefix}size.default", '' );
					$background_size         = et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}size{$suffix}", $background_size_default, ! $is_prev_background_image_active );

					if ( '' !== $background_size ) {
						$background_style .= sprintf(
							'background-size: %1$s; ',
							esc_html( $background_size )
						);
					}

					// Position.
					$background_position_default = ET_Builder_Element::$_->array_get( $args['fields'], "{$background_prefix}position.default", '' );
					$background_position         = et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}position{$suffix}", $background_position_default, ! $is_prev_background_image_active );

					if ( '' !== $background_position ) {
						$background_style .= sprintf(
							'background-position: %1$s; ',
							esc_html( str_replace( '_', ' ', $background_position ) )
						);
					}

					// Repeat.
					$background_repeat_default = ET_Builder_Element::$_->array_get( $args['fields'], "{$background_prefix}repeat.default", '' );
					$background_repeat         = et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}repeat{$suffix}", $background_repeat_default, ! $is_prev_background_image_active );

					if ( '' !== $background_repeat ) {
						$background_style .= sprintf(
							'background-repeat: %1$s; ',
							esc_html( $background_repeat )
						);
					}

					// Blend.
					$background_blend_default = ET_Builder_Element::$_->array_get( $args['fields'], "{$background_prefix}blend.default", '' );
					$background_blend         = et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}blend{$suffix}", $background_blend_default, ! $is_prev_background_image_active );
					$background_blend_inherit = et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}blend{$suffix}", '', true );

					if ( '' !== $background_blend_inherit ) {
						// Don't print the same image blend style.
						if ( '' !== $background_blend ) {
							$background_style .= sprintf(
								'background-blend-mode: %1$s; ',
								esc_html( $background_blend )
							);
						}

						// Reset - If background has image and gradient, force background-color: initial.
						if ( $has_background_color_gradient && $has_background_image && $background_blend_inherit !== $background_blend_default ) {
							$has_background_gradient_and_image = true;
							$background_color_style            = 'initial';
							$background_style                 .= 'background-color: initial; ';
						}

						$processed_background_blend = $background_blend;
					}

					// Only append background image when the image is exist.
					$background_images[] = sprintf( 'url(%1$s)', esc_html( $background_image ) );
				} elseif ( '' === $background_image ) {
					// Reset - If background image is disabled, ensure we reset prev background blend mode.
					if ( '' !== $processed_background_blend ) {
						$background_style          .= 'background-blend-mode: normal; ';
						$processed_background_blend = '';
					}

					$is_background_image_disabled = true;
				}

				if ( ! empty( $background_images ) ) {
					// The browsers stack the images in the opposite order to what you'd expect.
					if ( 'on' !== $background_color_gradient_overlays_image ) {
						$background_images = array_reverse( $background_images );
					}

					// Set background image styles only it's different compared to the larger device.
					$background_image_style = join( ', ', $background_images );
					if ( $processed_background_image !== $background_image_style ) {
						$background_style .= sprintf(
							'background-image: %1$s !important;',
							esc_html( $background_image_style )
						);
					}
				} elseif ( ! $is_desktop && $is_background_color_gradient_disabled && $is_background_image_disabled ) {
					// Reset - If background image and gradient are disabled, reset current background image.
					$background_image_style = 'initial';
					$background_style      .= 'background-image: initial !important;';
				}

				// Save processed background images.
				$processed_background_image = $background_image_style;

				// C. Background Color.
				if ( ! $has_background_gradient_and_image ) {
					// Background color `initial` was added by default to reset button background
					// color when user disable it on mobile preview mode. However, it should
					// be applied only when the background color is really disabled because user
					// may use theme customizer to setup global button background color. We also
					// need to ensure user still able to disable background color on mobile.
					$background_color_enable  = ET_Builder_Element::$_->array_get( $args['props'], "{$background_prefix}enable_color{$suffix}", '' );
					$background_color_initial = 'off' === $background_color_enable && ! $is_desktop ? 'initial' : '';

					$background_color       = et_pb_responsive_options()->get_inheritance_background_value( $args['props'], "{$background_prefix}color", $device, $background_base_name, $args['fields'] );
					$background_color       = '' !== $background_color ? $background_color : $background_color_initial;
					$background_color_style = $background_color;

					if ( '' !== $background_color && $processed_background_color !== $background_color ) {
						$background_style .= sprintf(
							'background-color: %1$s !important; ',
							esc_html( $background_color )
						);
					}
				}

				// Save processed background color.
				$processed_background_color = $background_color_style;

				// Print background gradient and image styles.
				if ( '' !== $background_style ) {
					$background_style_attrs = array(
						'selector'    => $css_element['normal'],
						'declaration' => rtrim( $background_style ),
						'priority'    => $args['module']->_style_priority,
					);

					// Add media query attribute to background style attrs.
					if ( 'desktop' !== $device ) {
						$current_media_query                   = 'tablet' === $device ? 'max_width_980' : 'max_width_767';
						$background_style_attrs['media_query'] = ET_Builder_Element::get_media_query( $current_media_query );
					}

					ET_Builder_Element::set_style( $args['render_slug'], $background_style_attrs );
				}
			}

			// Background Hover.
			if ( et_builder_is_hover_enabled( "{$basename}_color", $args['props'] ) ) {

				$background_base_name    = $basename;
				$background_prefix       = "{$basename}_";
				$background_images_hover = array();
				$background_hover_style  = '';

				$has_background_color_gradient_hover         = false;
				$has_background_image_hover                  = false;
				$has_background_gradient_and_image_hover     = false;
				$is_background_color_gradient_hover_disabled = false;
				$is_background_image_hover_disabled          = false;

				$background_color_gradient_overlays_image_desktop = et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_overlays_image", 'off', true );

				$gradient_properties_desktop = array(
					'type'             => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_type", '', true ),
					'direction'        => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_direction", '', true ),
					'radial_direction' => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_direction_radial", '', true ),
					'color_start'      => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_start", '', true ),
					'color_end'        => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_end", '', true ),
					'start_position'   => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_start_position", '', true ),
					'end_position'     => et_pb_responsive_options()->get_any_value( $args['props'], "{$background_prefix}color_gradient_end_position", '', true ),
				);

				$background_color_gradient_overlays_image_hover = 'off';

				// Background Gradient Hover.
				// This part is little bit different compared to other hover implementation. In
				// this case, hover is enabled on the background field, not on the each of those
				// fields. So, built in function get_value() doesn't work in this case.
				// Temporarily, we need to fetch the the value from get_raw_value().
				$use_background_color_gradient_hover = et_pb_responsive_options()->get_inheritance_background_value( $args['props'], "{$background_prefix}use_color_gradient", 'hover', $background_base_name, $args['fields'] );

				if ( 'on' === $use_background_color_gradient_hover ) {
					// Desktop value as default.
					$background_color_gradient_type_desktop             = ET_Builder_Element::$_->array_get( $gradient_properties_desktop, 'type', '' );
					$background_color_gradient_direction_desktop        = ET_Builder_Element::$_->array_get( $gradient_properties_desktop, 'direction', '' );
					$background_color_gradient_radial_direction_desktop = ET_Builder_Element::$_->array_get( $gradient_properties_desktop, 'radial_direction', '' );
					$background_color_gradient_color_start_desktop      = ET_Builder_Element::$_->array_get( $gradient_properties_desktop, 'color_start', '' );
					$background_color_gradient_color_end_desktop        = ET_Builder_Element::$_->array_get( $gradient_properties_desktop, 'color_end', '' );
					$background_color_gradient_start_position_desktop   = ET_Builder_Element::$_->array_get( $gradient_properties_desktop, 'start_position', '' );
					$background_color_gradient_end_position_desktop     = ET_Builder_Element::$_->array_get( $gradient_properties_desktop, 'end_position', '' );

					// Hover value.
					$background_color_gradient_type_hover             = et_pb_hover_options()->get_raw_value( "{$background_prefix}color_gradient_type", $args['props'], $background_color_gradient_type_desktop );
					$background_color_gradient_direction_hover        = et_pb_hover_options()->get_raw_value( "{$background_prefix}color_gradient_direction", $args['props'], $background_color_gradient_direction_desktop );
					$background_color_gradient_direction_radial_hover = et_pb_hover_options()->get_raw_value( "{$background_prefix}color_gradient_direction_radial", $args['props'], $background_color_gradient_radial_direction_desktop );
					$background_color_gradient_start_hover            = et_pb_hover_options()->get_raw_value( "{$background_prefix}color_gradient_start", $args['props'], $background_color_gradient_color_start_desktop );
					$background_color_gradient_end_hover              = et_pb_hover_options()->get_raw_value( "{$background_prefix}color_gradient_end", $args['props'], $background_color_gradient_color_end_desktop );
					$background_color_gradient_start_position_hover   = et_pb_hover_options()->get_raw_value( "{$background_prefix}color_gradient_start_position", $args['props'], $background_color_gradient_start_position_desktop );
					$background_color_gradient_end_position_hover     = et_pb_hover_options()->get_raw_value( "{$background_prefix}color_gradient_end_position", $args['props'], $background_color_gradient_end_position_desktop );
					$background_color_gradient_overlays_image_hover   = et_pb_hover_options()->get_raw_value( "{$background_prefix}color_gradient_overlays_image", $args['props'], $background_color_gradient_overlays_image_desktop );

					$has_background_color_gradient_hover = true;

					$gradient_values_hover = array(
						'type'             => '' !== $background_color_gradient_type_hover ? $background_color_gradient_type_hover : $background_color_gradient_type_desktop,
						'direction'        => '' !== $background_color_gradient_direction_hover ? $background_color_gradient_direction_hover : $background_color_gradient_direction_desktop,
						'radial_direction' => '' !== $background_color_gradient_direction_radial_hover ? $background_color_gradient_direction_radial_hover : $background_color_gradient_radial_direction_desktop,
						'color_start'      => '' !== $background_color_gradient_start_hover ? $background_color_gradient_start_hover : $background_color_gradient_color_start_desktop,
						'color_end'        => '' !== $background_color_gradient_end_hover ? $background_color_gradient_end_hover : $background_color_gradient_color_end_desktop,
						'start_position'   => '' !== $background_color_gradient_start_position_hover ? $background_color_gradient_start_position_hover : $background_color_gradient_start_position_desktop,
						'end_position'     => '' !== $background_color_gradient_end_position_hover ? $background_color_gradient_end_position_hover : $background_color_gradient_end_position_desktop,
					);

					$background_images_hover[] = $args['module']->get_gradient( $gradient_values_hover );
				} elseif ( 'off' === $use_background_color_gradient_hover ) {
					$is_background_color_gradient_hover_disabled = true;
				}

				// Background Image Hover.
				// This part is little bit different compared to other hover implementation. In
				// this case, hover is enabled on the background field, not on the each of those
				// fields. So, built in function get_value() doesn't work in this case.
				// Temporarily, we need to fetch the the value from get_raw_value().
				$background_image_hover = et_pb_responsive_options()->get_inheritance_background_value( $args['props'], "{$background_prefix}image", 'hover', $background_base_name, $args['fields'] );
				$parallax_hover         = et_pb_hover_options()->get_raw_value( "{$background_prefix}parallax", $args['props'] );

				if ( '' !== $background_image_hover && null !== $background_image_hover && 'on' !== $parallax_hover ) {
					// Flag to inform BG Color if current module has Image.
					$has_background_image_hover = true;

					// Size.
					$background_size_hover   = et_pb_hover_options()->get_raw_value( "{$background_prefix}size", $args['props'] );
					$background_size_desktop = ET_Builder_Element::$_->array_get( $args['props'], "{$background_prefix}size", '' );
					$is_same_background_size = $background_size_hover === $background_size_desktop;
					if ( empty( $background_size_hover ) && ! empty( $background_size_desktop ) ) {
						$background_size_hover = $background_size_desktop;
					}

					if ( ! empty( $background_size_hover ) && ! $is_same_background_size ) {
						$background_hover_style .= sprintf(
							'background-size: %1$s; ',
							esc_html( $background_size_hover )
						);
					}

					// Position.
					$background_position_hover   = et_pb_hover_options()->get_raw_value( "{$background_prefix}position", $args['props'] );
					$background_position_desktop = ET_Builder_Element::$_->array_get( $args['props'], "{$background_prefix}position", '' );
					$is_same_background_position = $background_position_hover === $background_position_desktop;
					if ( empty( $background_position_hover ) && ! empty( $background_position_desktop ) ) {
						$background_position_hover = $background_position_desktop;
					}

					if ( ! empty( $background_position_hover ) && ! $is_same_background_position ) {
						$background_hover_style .= sprintf(
							'background-position: %1$s; ',
							esc_html( str_replace( '_', ' ', $background_position_hover ) )
						);
					}

					// Repeat.
					$background_repeat_hover   = et_pb_hover_options()->get_raw_value( "{$background_prefix}repeat", $args['props'] );
					$background_repeat_desktop = ET_Builder_Element::$_->array_get( $args['props'], "{$background_prefix}repeat", '' );
					$is_same_background_repeat = $background_repeat_hover === $background_repeat_desktop;
					if ( empty( $background_repeat_hover ) && ! empty( $background_repeat_desktop ) ) {
						$background_repeat_hover = $background_repeat_desktop;
					}

					if ( ! empty( $background_repeat_hover ) && ! $is_same_background_repeat ) {
						$background_hover_style .= sprintf(
							'background-repeat: %1$s; ',
							esc_html( $background_repeat_hover )
						);
					}

					// Blend.
					$background_blend_hover   = et_pb_hover_options()->get_raw_value( "{$background_prefix}blend", $args['props'] );
					$background_blend_default = ET_Builder_Element::$_->array_get( $args['fields'], "{$background_prefix}blend.default", '' );
					$background_blend_desktop = ET_Builder_Element::$_->array_get( $args['props'], "{$background_prefix}blend", '' );
					$is_same_background_blend = $background_blend_hover === $background_blend_desktop;
					if ( empty( $background_blend_hover ) && ! empty( $background_blend_desktop ) ) {
						$background_blend_hover = $background_blend_desktop;
					}

					if ( ! empty( $background_blend_hover ) ) {
						if ( ! $is_same_background_blend ) {
							$background_hover_style .= sprintf(
								'background-blend-mode: %1$s; ',
								esc_html( $background_blend_hover )
							);
						}

						// Force background-color: initial.
						if ( $has_background_color_gradient_hover && $has_background_image_hover && $background_blend_hover !== $background_blend_default ) {
							$has_background_gradient_and_image_hover = true;
							$background_hover_style                 .= 'background-color: initial !important;';
						}
					}

					// Only append background image when the image exists.
					$background_images_hover[] = sprintf( 'url(%1$s)', esc_html( $background_image_hover ) );
				} elseif ( '' === $background_image_hover ) {
					$is_background_image_hover_disabled = true;
				}

				if ( ! empty( $background_images_hover ) ) {
					// The browsers stack the images in the opposite order to what you'd expect.
					if ( 'on' !== $background_color_gradient_overlays_image_hover ) {
						$background_images_hover = array_reverse( $background_images_hover );
					}

					$background_hover_style .= sprintf(
						'background-image: %1$s !important;',
						esc_html( join( ', ', $background_images_hover ) )
					);
				} elseif ( $is_background_color_gradient_hover_disabled && $is_background_image_hover_disabled ) {
					$background_hover_style .= 'background-image: initial !important;';
				}

				// Background Color Hover.
				if ( ! $has_background_gradient_and_image_hover ) {
					$background_color_hover = et_pb_responsive_options()->get_inheritance_background_value( $args['props'], "{$background_prefix}color", 'hover', $background_base_name, $args['fields'] );
					$background_color_hover = '' !== $background_color_hover ? $background_color_hover : 'transparent';

					if ( '' !== $background_color_hover ) {
						$background_hover_style .= sprintf(
							'background-color: %1$s !important; ',
							esc_html( $background_color_hover )
						);
					}
				}

				// Print background hover gradient and image styles.
				if ( '' !== $background_hover_style ) {
					$background_hover_style_attrs = array(
						'selector'    => $css_element['hover'],
						'declaration' => rtrim( $background_hover_style ),
						'priority'    => $args['module']->_style_priority,
					);

					ET_Builder_Element::set_style( $args['render_slug'], $background_hover_style_attrs );
				}
			}
		}
	}
}