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WP Metabox v1.0

Simple WordPress Class for metabox forks from wp-metabox-constructor-class

Requirements

Installation

Install with composer

Run the following in your terminal to install with Composer.

$ composer require oberonlai/wp-metabox

WP Metabox PSR-4 autoloading and can be used with the Composer's autoloader. Below is a basic example of getting started, though your setup may be different depending on how you are using Composer.

require __DIR__ . '/vendor/autoload.php';

use ODS\Metabox;

$options = array( ... );

$books = new Metabox( $options );

See Composer's basic usage guide for details on working with Composer and autoloading.

Basic Usage

Below is a basic example of setting up a simple custom filter with a post meta field.

// Require the Composer autoloader.
require __DIR__ . '/vendor/autoload.php';

// Import PostTypes.
use ODS\Metabox;

Usage

To create a metabox, first instantiate an instance of Metabox. The class takes one argument, which is an associative array. The keys to the array are similar to the arguments provided to the add_meta_box WordPress function; however, you don't provide callback or callback_args.

$metabox = new Metabox(array(
	'id' => 'metabox_id',
	'title' => 'My awesome metabox',
	'screen' => 'post', // post type
	'context' => 'advanced', // Options normal, side, advanced.
	'priority' => 'default'
));

Please add the detection for the WooCommerce order metabox to check whether the HPOS is enabled or not.

use Automattic\WooCommerce\Internal\DataStores\Orders\CustomOrdersTableController;

$screen = wc_get_container()->get( CustomOrdersTableController::class )->custom_orders_table_usage_is_enabled()
		? wc_get_page_screen_id( 'shop-order' )
		: 'shop_order';

$metabox = new Metabox(
	array(
		'id'       => 'metabox_id',
		'title'    => 'My awesome metabox for WooCommerce order',
		'screen'   => $screen,
		'context'  => 'side',
		'priority' => 'high',
	)
);

Available Fields

After instantiating the above metabox, add a few fields to it. Below is a list of the available fields.

Text

A simple text input. Nothing special.

$metabox->addText(array(
	'id' => 'metabox_text_field',
	'label' => 'Text',
	'desc' => 'An example description paragraph that appears below the label.'
));

Textarea

Textareas are used to store a body of text. For a richer experience with HTML, see the WYSIWYG editor.

$metabox->addTextArea(array(
	'id' => 'metabox_textarea_field',
	'label' => 'Textarea',
	'desc' => 'An example description paragraph that appears below the label.'
));

Checkbox

Checkboxes are a great way to facilitate conditional logic.

$metabox->addCheckbox(array(
	'id' => 'metabox_checkbox_field',
	'label' => 'Checkbox',
	'desc' => 'An example description paragraph that appears below the label.'
));

Radio

Radio fields are a great way to choose from a selection of options.

$metabox->addRadio(
	array(
		'id' => 'metabox_radio_field',
		'label' => 'Radio',
		'desc' => 'An example description paragraph that appears below the label.',
	),
	array(
		'key1' => 'Value One',
		'key2' => 'Value Two'
	)
);

Select

Select fields are a great way to choose from a selection of options.

$metabox->addSelect(
	array(
		'id' => 'metabox_select_field',
		'label' => 'Select',
		'desc' => 'An example description paragraph that appears below the label.',
	),
	array(
		'key1' => 'Value One',
		'key2' => 'Value Two'
	)
);

Html

Add HTML markup to display information.

$metabox->addHtml(
	array(
		'id' => 'metabox_html_field',
		'label' => 'html',
		'html' => '<h1>Hello World</h1>',
	),
);

Image Upload

Use this to permit users to upload an image within the metabox. Pro tip: use this with the repeater to dynamically manage the photos within a gallery or slideshow.

$metabox->addImage(array(
	'id' => 'metabox_image_field',
	'label' => 'Image Upload',
	'desc' => 'An example description paragraph that appears below the label.'
));

WYSIWYG Editor

You can use a WYSIWYG editor to facilitate the management of HTML content.

$metabox->addEditor(array(
	'id' => 'metabox_editor_field',
	'label' => 'Editor',
	'desc' => 'An example description paragraph that appears below the label.'
));

Repeater

All of the above fields can be added to a repeater to store an array of content with a dynamic length. Here is an example of a repeater block with three fields: text, textarea, and image upload.

Notice: true is a second argument to the repeater fields. This is required. Also, the variable, $metabox_repeater_block_fields[], which stores the repeater block's fields, has a pair of brackets [] at the end of the variable name. This is required.

$metabox_repeater_block_fields[] = $metabox->addText(array(
	'id' => 'metabox_repeater_text_field',
	'label' => 'Photo Title'
), true);

$metabox_repeater_block_fields[] = $metabox->addTextArea(array(
	'id' => 'metabox_repeater_textarea_field',
	'label' => 'Photo Description'
), true);

$metabox_repeater_block_fields[] = $metabox->addImage(array(
	'id' => 'metabox_repeater_image_field',
	'label' => 'Upload Photo'
), true);

$metabox->addRepeaterBlock(array(
	'id' => 'metabox_repeater_block',
	'label' => 'Photo Gallery',
	'fields' => $metabox_repeater_block_fields,
	'desc' => 'Photos in a photo gallery.',
	'single_label' => 'Photo'
));