block-editor.php
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<?php
/**
* Block editor (gutenberg) specific functionality
*
* @package Understrap
* @since 1.0.0
*/
add_action( 'after_setup_theme', 'understrap_block_editor_setup' );
if ( ! function_exists( 'understrap_block_editor_setup' ) ) {
/**
* Sets up our default theme support for the WordPress block editor.
*
* @since 1.0.0
*/
function understrap_block_editor_setup() {
// Add support for the block editor stylesheet.
add_theme_support( 'editor-styles' );
// Add support for wide alignment.
add_theme_support( 'align-wide' );
// Register our custom colors as options in the editor.
$color_palette = understrap_generate_color_palette();
if ( $color_palette ) {
add_theme_support( 'editor-color-palette', $color_palette );
}
}
}
if ( ! function_exists( 'understrap_generate_color_palette' ) ) {
/**
* Checks for our JSON file of color values. If exists, creates a color palette array.
*
* @since 1.0.0
*
* @return array
*/
function understrap_generate_color_palette() {
$color_palette = array();
// Grabs the autogenerated color palette that we're pulling from our compiled bootstrap stylesheets.
$color_palette_json = file_get_contents( get_theme_file_path( '/inc/editor-color-palette.json' ) ); // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents
if ( $color_palette_json ) {
$color_palette_json = json_decode( $color_palette_json, true );
if ( is_array( $color_palette_json ) ) {
foreach ( $color_palette_json as $key => $value ) {
if ( ! is_string( $key ) ) {
continue;
}
$key = str_replace( array( '--bs-', '--' ), '', $key );
$color_palette[] = array(
'name' => $key,
'slug' => $key,
'color' => $value,
);
}
}
}
/**
* Filters the default bootstrap color palette so it can be overriden by child themes or plugins when we add theme support for editor-color-palette.
*
* @since 1.0.0
*
* @param array $color_palette An array of color options for the editor-color-palette setting.
*/
return apply_filters( 'understrap_theme_editor_color_palette', $color_palette );
}
}