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<?php |
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/** |
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* Server-side rendering of the `core/icon` block. |
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* |
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* @package WordPress |
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*/ |
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|
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/** |
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* Renders the `core/icon` block on server. |
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* |
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* @since 7.0.0 |
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* |
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* @param array $attributes The block attributes. |
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* |
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* @return string Returns the Icon. |
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*/ |
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function gutenberg_render_block_core_icon( $attributes ) { |
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if ( empty( $attributes['icon'] ) ) { |
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return; |
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} |
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|
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// Icons in non-public collections are not available in the editor, so do not render them either. |
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$registered_icon = WP_Icons_Registry::get_instance()->get_registered_icon( $attributes['icon'] ); |
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if ( null !== $registered_icon ) { |
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$icon_collection = WP_Icon_Collections_Registry::get_instance()->get_registered( $registered_icon['collection'] ); |
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if ( null !== $icon_collection && ! $icon_collection['public'] ) { |
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return; |
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} |
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} |
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|
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// Text color and background color. |
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$color_styles = array(); |
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|
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$preset_text_color = array_key_exists( 'textColor', $attributes ) ? "var:preset|color|{$attributes['textColor']}" : null; |
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$custom_text_color = $attributes['style']['color']['text'] ?? null; |
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$color_styles['text'] = $preset_text_color ? $preset_text_color : $custom_text_color; |
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|
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$preset_background_color = array_key_exists( 'backgroundColor', $attributes ) ? "var:preset|color|{$attributes['backgroundColor']}" : null; |
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$custom_background_color = $attributes['style']['color']['background'] ?? null; |
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$color_styles['background'] = $preset_background_color ? $preset_background_color : $custom_background_color; |
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|
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// Border. |
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$border_styles = array(); |
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$sides = array( 'top', 'right', 'bottom', 'left' ); |
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|
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if ( isset( $attributes['style']['border']['radius'] ) ) { |
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$border_styles['radius'] = $attributes['style']['border']['radius']; |
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} |
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if ( isset( $attributes['style']['border']['style'] ) ) { |
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$border_styles['style'] = $attributes['style']['border']['style']; |
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} |
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if ( isset( $attributes['style']['border']['width'] ) ) { |
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$border_styles['width'] = $attributes['style']['border']['width']; |
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} |
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|
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$preset_color = array_key_exists( 'borderColor', $attributes ) ? "var:preset|color|{$attributes['borderColor']}" : null; |
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$custom_color = $attributes['style']['border']['color'] ?? null; |
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$border_styles['color'] = $preset_color ? $preset_color : $custom_color; |
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|
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foreach ( $sides as $side ) { |
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$border = $attributes['style']['border'][ $side ] ?? null; |
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$border_styles[ $side ] = array( |
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'color' => $border['color'] ?? null, |
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'style' => $border['style'] ?? null, |
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'width' => $border['width'] ?? null, |
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); |
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} |
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|
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// Spacing (Padding). |
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$spacing_styles = array(); |
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if ( isset( $attributes['style']['spacing']['padding'] ) ) { |
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$spacing_styles['padding'] = $attributes['style']['spacing']['padding']; |
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} |
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|
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// Dimensions (Width). |
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$dimensions_styles = array(); |
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if ( isset( $attributes['style']['dimensions']['width'] ) ) { |
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$dimensions_styles['width'] = $attributes['style']['dimensions']['width']; |
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} |
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|
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// Generate styles and classes. |
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$styles = gutenberg_style_engine_get_styles( |
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array( |
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'color' => $color_styles, |
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'border' => $border_styles, |
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'spacing' => $spacing_styles, |
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'dimensions' => $dimensions_styles, |
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), |
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); |
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|
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$svg = wp_get_icon( |
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$attributes['icon'], |
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array( |
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// Width is applied via the dimensions block support styles below. |
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'size' => null, |
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'class' => $styles['classnames'] ?? '', |
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'label' => $attributes['ariaLabel'] ?? '', |
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) |
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); |
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|
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if ( '' === $svg ) { |
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return; |
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} |
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|
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$processor = new WP_HTML_Tag_Processor( $svg ); |
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if ( $processor->next_tag( 'svg' ) ) { |
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if ( ! empty( $styles['css'] ) ) { |
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// Merge with the SVG's intrinsic style (e.g. `fill: none` on |
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// stroke-based icons) so it is preserved. The block styles come last |
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// so they win on any conflicting property. |
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$existing_style = $processor->get_attribute( 'style' ); |
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$trimmed_style = is_string( $existing_style ) |
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? rtrim( trim( $existing_style ), ';' ) |
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: ''; |
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$merged_style = '' !== $trimmed_style |
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? $trimmed_style . '; ' . $styles['css'] |
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: $styles['css']; |
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$processor->set_attribute( 'style', $merged_style ); |
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} |
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|
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// Apply flip classes to the SVG. |
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$flip_horizontal = $attributes['flipHorizontal'] ?? false; |
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$flip_vertical = $attributes['flipVertical'] ?? false; |
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|
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if ( $flip_horizontal ) { |
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$processor->add_class( 'is-flip-horizontal' ); |
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} |
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if ( $flip_vertical ) { |
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$processor->add_class( 'is-flip-vertical' ); |
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} |
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|
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$rotation = isset( $attributes['rotation'] ) ? (int) $attributes['rotation'] : 0; |
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|
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if ( $rotation ) { |
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$current_style = $processor->get_attribute( 'style' ) ?? ''; |
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$rotation_css = 'rotate: ' . $rotation . 'deg;'; |
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$trimmed_style = is_string( $current_style ) |
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? rtrim( trim( $current_style ), ';' ) |
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: ''; |
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$merged_style = '' !== $trimmed_style |
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? $trimmed_style . '; ' . $rotation_css |
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: $rotation_css; |
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$processor->set_attribute( 'style', $merged_style ); |
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} |
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|
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$svg = $processor->get_updated_html(); |
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} |
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|
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$wrapper_attributes = get_block_wrapper_attributes(); |
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return sprintf( '<div %s>%s</div>', $wrapper_attributes, $svg ); |
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} |
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|
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|
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/** |
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* Registers the `core/icon` block on server. |
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* |
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* @since 7.0.0 |
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*/ |
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function gutenberg_register_block_core_icon() { |
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register_block_type_from_metadata( |
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__DIR__ . '/icon', |
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array( |
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'render_callback' => 'gutenberg_render_block_core_icon', |
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) |
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); |
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} |
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add_action( 'init', 'gutenberg_register_block_core_icon', 20 ); |
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|
