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@dingo-d
Last active May 23, 2023 15:05
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A page metabox with a color picker option
<?php
add_action( 'admin_enqueue_scripts', 'mytheme_backend_scripts');
if ( ! function_exists( 'mytheme_backend_scripts' ) ){
function mytheme_backend_scripts($hook) {
wp_enqueue_media();
wp_enqueue_style( 'wp-color-picker');
wp_enqueue_script( 'wp-color-picker');
}
}
add_action( 'add_meta_boxes', 'mytheme_add_meta_box' );
if ( ! function_exists( 'mytheme_add_meta_box' ) ){
function mytheme_add_meta_box(){
add_meta_box( 'header-page-metabox-options', esc_html__('Header Color', 'mytheme' ), 'mytheme_header_meta_box', 'page', 'side', 'low');
}
}
if ( ! function_exists( 'mytheme_header_meta_box' ) ){
function mytheme_header_meta_box( $post ){
$custom = get_post_custom( $post->ID );
$header_color = (isset($custom["header_color"][0])) ? $custom["header_color"][0] : '';
wp_nonce_field( 'mytheme_header_meta_box', 'mytheme_header_meta_box_nonce' );
?>
<script>
jQuery(document).ready(function($){
$('.color_field').each(function(){
$(this).wpColorPicker();
});
});
</script>
<div class="pagebox">
<p><?php esc_attr_e('Choosse a color for your post header.', 'mytheme' ); ?></p>
<input class="color_field" type="hidden" name="header_color" value="<?php esc_attr_e($header_color); ?>"/>
</div>
<?php
}
}
if ( ! function_exists( 'mytheme_save_header_meta_box' ) ){
function mytheme_save_header_meta_box( $post_id ){
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
return;
}
if( !current_user_can( 'edit_pages' ) ) {
return;
}
if ( !isset( $_POST['header_color'] ) || !wp_verify_nonce( $_POST['mytheme_header_meta_box_nonce'], 'mytheme_header_meta_box' ) ) {
return;
}
$header_color = (isset($_POST["header_color"]) && $_POST["header_color"]!='') ? $_POST["header_color"] : '';
update_post_meta($post_id, "header_color", $header_color);
}
}
add_action( 'save_post', 'mytheme_save_header_meta_box' );
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