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<?php

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/**

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* Form rendering utility functions

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* @package AdvancedAds\Framework\Form

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* @author Advanced Ads <info@wpadvancedads.com>

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* @since 1.0.0

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namespace AdvancedAds\Framework\Form;

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use Exception;

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defined( 'ABSPATH' ) || exit;

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/**

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* Form class

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class Form {

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/**

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* Hold fields.

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* @var array

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private $fields = [];

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/**

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* Current field

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* @var array

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private $field_types = [];

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/**

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* The constructor.

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* @return void

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public function __construct() {

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$this->field_types = [

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'checkbox' => Field_Checkbox::class,

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'color' => Field_Color::class,

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'number' => Field_Text::class,

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'position' => Field_Position::class,

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'password' => Field_Text::class,

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'radio' => Field_Radio::class,

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'selector' => Field_Selector::class,

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'size' => Field_Size::class,

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'switch' => Field_Switch::class,

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'text' => Field_Text::class,

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'textarea' => Field_Textarea::class,

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];

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}

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/**

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* Add field.

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* @throws Exception If no id is define.

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* @throws Exception If no type is define.

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* @param array $args Field args.

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* @return void

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public function add_field( $args ) {

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// Checks.

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if ( ! isset( $args['id'] ) || empty( $args['id'] ) ) {

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throw new Exception( 'A field must have an id.' );

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}

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if ( ! isset( $args['type'] ) || empty( $args['type'] ) ) {

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throw new Exception( 'A field must have a type.' );

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}

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$this->fields[ $args['id'] ] = $args;

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}

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/**

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* Remove field.

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* @param string $id Field id to remove.

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* @return void

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public function remove_field( $id ) {

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if ( isset( $this->fields[ $id ] ) ) {

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unset( $this->fields[ $id ] );

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}

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}

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/**

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* Render form.

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* @return void

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public function render() {

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foreach ( $this->fields as $field ) {

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$type = $field['type'];

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if ( isset( $this->field_types[ $type ] ) ) {

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$class = $this->field_types[ $type ];

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( new $class( $field ) )->render_field();

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}

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}

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}

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}

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