← All changes | build/scripts/block-library/post-navigation-link.php +94 -5 23.2.2 → trunk View file →

		@@ -29,13 +29,9 @@
29	29	$classes = "post-navigation-link-$navigation_type";
30	30	if ( isset( $attributes['textAlign'] ) ) {
31	31	$classes .= " has-text-align-{$attributes['textAlign']}";
32	32	}
33		- $wrapper_attributes = get_block_wrapper_attributes(
34		- array(
35		- 'class' => $classes,
36		- )
37		- );
	33	+
38	34	// Set default values.
39	35	$format = '%link';
40	36	$link = 'next' === $navigation_type ? _x( 'Next', 'label for next post link' ) : _x( 'Previous', 'label for previous post link' );
41	37	$label = '';
		@@ -115,12 +111,105 @@
115	111	} else {
116	112	$content = $get_link_function( $format, $link );
117	113	}
118	114
	115	+ // The `{next,previous}_post_link` filters can return null, which renders as no link.
	116	+ $content = (string) $content;
	117	+
	118	+ /*
	119	+ * Border, shadow and spacing serialization is skipped for this block so
	120	+ * those styles can be withheld from the empty wrapper rendered when there is
	121	+ * no adjacent post. The wrapper itself is kept for backward compatibility.
	122	+ */
	123	+ $support_styles = '' === $content
	124	+ ? array(
	125	+ 'class' => '',
	126	+ 'style' => '',
	127	+ )
	128	+ : gutenberg_block_core_post_navigation_link_get_support_styles( $attributes );
	129	+
	130	+ if ( '' !== $support_styles['class'] ) {
	131	+ $classes .= " {$support_styles['class']}";
	132	+ }
	133	+
	134	+ $wrapper_attributes = get_block_wrapper_attributes(
	135	+ array(
	136	+ 'class' => $classes,
	137	+ 'style' => $support_styles['style'],
	138	+ )
	139	+ );
	140	+
119	141	return sprintf(
120	142	'<div %1$s>%2$s</div>',
121	143	$wrapper_attributes,
122	144	$content
	145	+ );
	146	+}
	147	+
	148	+/**
	149	+ * Generates the border, shadow and spacing class names and inline styles for
	150	+ * the `core/post-navigation-link` block.
	151	+ *
	152	+ * Mirrors the default border, shadow and spacing block support serialization,
	153	+ * which the block opts out of so the styles are only applied when a link is
	154	+ * rendered.
	155	+ *
	156	+ * @since 7.2.0
	157	+ *
	158	+ * @param array $attributes The block attributes.
	159	+ * @return array {
	160	+ * Border, shadow and spacing class names and inline styles.
	161	+ *
	162	+ * @type string $class Class names generated by the style engine, or an empty string.
	163	+ * @type string $style Inline styles generated by the style engine, or an empty string.
	164	+ * }
	165	+ */
	166	+function gutenberg_block_core_post_navigation_link_get_support_styles( $attributes ) {
	167	+ $block_styles = $attributes['style'] ?? array();
	168	+ $border = $block_styles['border'] ?? array();
	169	+ $border_styles = array();
	170	+
	171	+ // Border radius and width accept unitless numbers from the original implementation.
	172	+ if ( isset( $border['radius'] ) ) {
	173	+ $border_styles['radius'] = is_numeric( $border['radius'] ) ? "{$border['radius']}px" : $border['radius'];
	174	+ }
	175	+
	176	+ if ( isset( $border['width'] ) ) {
	177	+ $border_styles['width'] = is_numeric( $border['width'] ) ? "{$border['width']}px" : $border['width'];
	178	+ }
	179	+
	180	+ if ( isset( $border['style'] ) ) {
	181	+ $border_styles['style'] = $border['style'];
	182	+ }
	183	+
	184	+ // A preset border color is stored in its own attribute rather than under `style`.
	185	+ $border_styles['color'] = isset( $attributes['borderColor'] )
	186	+ ? "var:preset|color|{$attributes['borderColor']}"
	187	+ : ( $border['color'] ?? null );
	188	+
	189	+ // Individual border sides e.g. top, left etc.
	190	+ foreach ( array( 'top', 'right', 'bottom', 'left' ) as $side ) {
	191	+ $border_styles[ $side ] = array(
	192	+ 'width' => $border[ $side ]['width'] ?? null,
	193	+ 'color' => $border[ $side ]['color'] ?? null,
	194	+ 'style' => $border[ $side ]['style'] ?? null,
	195	+ );
	196	+ }
	197	+
	198	+ $styles = gutenberg_style_engine_get_styles(
	199	+ array(
	200	+ 'border' => $border_styles,
	201	+ 'shadow' => $block_styles['shadow'] ?? null,
	202	+ 'spacing' => array(
	203	+ 'margin' => $block_styles['spacing']['margin'] ?? null,
	204	+ 'padding' => $block_styles['spacing']['padding'] ?? null,
	205	+ ),
	206	+ )
	207	+ );
	208	+
	209	+ return array(
	210	+ 'class' => $styles['classnames'] ?? '',
	211	+ 'style' => $styles['css'] ?? '',
123	212	);
124	213	}
125	214
126	215	/**