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<?php
/**
* Blocks Package
*
* @package olympus-google-fonts
* @copyright Copyright (c) 2020, Fonts Plugin
* @license http://opensource.org/licenses/gpl-2.0.php GNU Public License
*/
// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Enqueue Gutenberg block assets for backend editor.
*/
function olympus_google_fonts_block_js() {
wp_enqueue_script(
'olympus-google-fonts-block-js',
plugins_url( '/dist/blocks.build.js', __FILE__ ),
array( 'wp-blocks', 'wp-i18n', 'wp-element', 'wp-components', 'wp-editor' ),
OGF_VERSION,
false
);
wp_localize_script( 'olympus-google-fonts-block-js', 'ogf_custom_fonts', ogf_custom_fonts() );
}
add_action( 'enqueue_block_editor_assets', 'olympus_google_fonts_block_js' );
/**
* Registers the 'olympus-google-fonts/google-fonts' block on server.
*/
function olympus_google_fonts_register_block() {
// Check if the register function exists.
if ( ! function_exists( 'register_block_type' ) ) {
return;
}
register_block_type(
'olympus-google-fonts/google-fonts',
array(
'attributes' => array(
'blockType' => array(
'type' => 'string',
'default' => 'p',
),
'fontID' => array(
'type' => 'string',
'default' => '',
),
'variant' => array(
'type' => 'string',
'default' => 'normal',
),
'fontSize' => array(
'type' => 'number',
),
'lineHeight' => array(
'type' => 'number',
),
'align' => array(
'type' => 'string',
),
'content' => array(
'type' => 'string',
),
'color' => array(
'type' => 'string',
),
),
'render_callback' => 'olympus_google_fonts_block_render',
)
);
}
add_action( 'init', 'olympus_google_fonts_register_block' );
/**
* Front end render function for 'olympus-google-fonts/google-fonts'.
*
* @param array $attributes The block attributes.
*/
function olympus_google_fonts_block_render( $attributes ) {
$block_type = isset( $attributes['blockType'] ) ? esc_attr( $attributes['blockType'] ) : 'p';
$font_id = isset( $attributes['fontID'] ) ? sanitize_text_field( $attributes['fontID'] ) : '';
$variant = isset( $attributes['variant'] ) ? sanitize_text_field( $attributes['variant'] ) : '';
$font_size = isset( $attributes['fontSize'] ) ? intval( $attributes['fontSize'] ) : '';
$line_height = isset( $attributes['lineHeight'] ) ? floatval( $attributes['lineHeight'] ) : '';
$align = isset( $attributes['align'] ) ? sanitize_text_field( $attributes['align'] ) : '';
$content = isset( $attributes['content'] ) ? wp_kses_post( $attributes['content'] ) : '';
$color = isset( $attributes['color'] ) ? sanitize_text_field( $attributes['color'] ) : '';
$output = '';
$style = '';
if ( $font_id ) {
// standardize the format.
$font_id_standardized = str_replace( '+', '-', strtolower( $font_id ) );
if ( array_key_exists( $font_id_standardized, OGF_Fonts::$google_fonts ) ) {
$variants = OGF_Fonts::$google_fonts[ $font_id_standardized ]['v'];
$variants_for_url = join( ',', array_keys( $variants ) );
wp_enqueue_style( 'google-font-' . $font_id_standardized, 'https://fonts.googleapis.com/css?family=' . $font_id . ':' . $variants_for_url . '&display=swap', array(), OGF_VERSION );
$font_family = esc_attr( str_replace( '+', ' ', $font_id ) );
} else {
$font_family = $font_id;
}
$style = "font-family: {$font_family};";
}
if ( $variant && '0' !== $variant ) {
$style .= "font-weight: {$variant};";
}
if ( $font_size ) {
$style .= "font-size: {$font_size}px;";
}
if ( $line_height ) {
$style .= "line-height: {$line_height};";
}
if ( $align ) {
$style .= "text-align: {$align};";
}
if ( $color ) {
$style .= "color: {$color};";
}
$output .= '<' . $block_type . ' class="fonts-plugin-block" style="' . $style . '">';
$output .= $content;
$output .= '</' . $block_type . '>';
return $output;
}
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