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May 23, 2023 15:05
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A page metabox with a color picker option
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<?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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