<?php
/**
* Server-side rendering of the `core/icon` block.
*
* @package WordPress
*/
/**
* Renders the `core/icon` block on server.
*
* @since 7.0.0
*
* @param array $attributes The block attributes.
*
* @return string Returns the Icon.
*/
function render_block_core_icon( $attributes ) {
if ( empty( $attributes['icon'] ) ) {
return;
}
// Text color and background color.
$color_styles = array();
$preset_text_color = array_key_exists( 'textColor', $attributes ) ? "var:preset|color|{$attributes['textColor']}" : null;
$custom_text_color = $attributes['style']['color']['text'] ?? null;
$color_styles['text'] = $preset_text_color ? $preset_text_color : $custom_text_color;
$preset_background_color = array_key_exists( 'backgroundColor', $attributes ) ? "var:preset|color|{$attributes['backgroundColor']}" : null;
$custom_background_color = $attributes['style']['color']['background'] ?? null;
$color_styles['background'] = $preset_background_color ? $preset_background_color : $custom_background_color;
// Border.
$border_styles = array();
$sides = array( 'top', 'right', 'bottom', 'left' );
if ( isset( $attributes['style']['border']['radius'] ) ) {
$border_styles['radius'] = $attributes['style']['border']['radius'];
}
if ( isset( $attributes['style']['border']['style'] ) ) {
$border_styles['style'] = $attributes['style']['border']['style'];
}
if ( isset( $attributes['style']['border']['width'] ) ) {
$border_styles['width'] = $attributes['style']['border']['width'];
}
$preset_color = array_key_exists( 'borderColor', $attributes ) ? "var:preset|color|{$attributes['borderColor']}" : null;
$custom_color = $attributes['style']['border']['color'] ?? null;
$border_styles['color'] = $preset_color ? $preset_color : $custom_color;
foreach ( $sides as $side ) {
$border = $attributes['style']['border'][ $side ] ?? null;
$border_styles[ $side ] = array(
'color' => $border['color'] ?? null,
'style' => $border['style'] ?? null,
'width' => $border['width'] ?? null,
);
}
// Spacing (Padding).
$spacing_styles = array();
if ( isset( $attributes['style']['spacing']['padding'] ) ) {
$spacing_styles['padding'] = $attributes['style']['spacing']['padding'];
}
// Dimensions (Width).
$dimensions_styles = array();
if ( isset( $attributes['style']['dimensions']['width'] ) ) {
$dimensions_styles['width'] = $attributes['style']['dimensions']['width'];
}
// Generate styles and classes.
$styles = wp_style_engine_get_styles(
array(
'color' => $color_styles,
'border' => $border_styles,
'spacing' => $spacing_styles,
'dimensions' => $dimensions_styles,
),
);
$svg = wp_get_icon(
$attributes['icon'],
array(
// Width is applied via the dimensions block support styles below.
'size' => null,
'class' => $styles['classnames'] ?? '',
'label' => $attributes['ariaLabel'] ?? '',
)
);
if ( '' === $svg ) {
return;
}
$processor = new WP_HTML_Tag_Processor( $svg );
if ( $processor->next_tag( 'svg' ) ) {
if ( ! empty( $styles['css'] ) ) {
$processor->set_attribute( 'style', $styles['css'] );
}
// Apply flip classes to the SVG.
$flip_horizontal = $attributes['flipHorizontal'] ?? false;
$flip_vertical = $attributes['flipVertical'] ?? false;
if ( $flip_horizontal ) {
$processor->add_class( 'is-flip-horizontal' );
}
if ( $flip_vertical ) {
$processor->add_class( 'is-flip-vertical' );
}
$rotation = isset( $attributes['rotation'] ) ? (int) $attributes['rotation'] : 0;
if ( $rotation ) {
$current_style = $processor->get_attribute( 'style' ) ?? '';
$rotation_css = 'rotate: ' . $rotation . 'deg;';
if ( $current_style ) {
$processor->set_attribute( 'style', $current_style . ' ' . $rotation_css );
} else {
$processor->set_attribute( 'style', $rotation_css );
}
}
$svg = $processor->get_updated_html();
}
$wrapper_attributes = get_block_wrapper_attributes();
return sprintf( '<div %s>%s</div>', $wrapper_attributes, $svg );
}
/**
* Registers the `core/icon` block on server.
*
* @since 7.0.0
*/
function register_block_core_icon() {
register_block_type_from_metadata(
__DIR__ . '/icon',
array(
'render_callback' => 'render_block_core_icon',
)
);
}
add_action( 'init', 'register_block_core_icon' );