laipower/wp-content/upgrade-temp-backup/plugins/menu-icons/includes/library/form-fields.php

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2024-03-28 09:40:10 +00:00
<?php
/**
* Form Fields
*
* A prototype for the new "Form Fields" plugin, a standalone plugin and
* extension for the upcoming "Settings" plugin, a rewrite of KC Settings.
*
* @author Dzikri Aziz <kvcrvt@gmail.com>
*/
/**
* Form Fields
*/
abstract class Kucrut_Form_Field {
/**
* Holds field & argument defaults
*
* @since 0.1.0
* @var array
* @access protected
*/
protected static $defaults = array(
'field' => array(
'id' => '',
'type' => 'text',
'value' => null,
'default' => null,
'attributes' => array(),
'description' => '',
'choices' => array(),
),
'args' => array(
'keys' => array(),
'inline_description' => false,
),
);
/**
* Holds field attributes
*
* @since 0.1.0
* @var array
* @access protected
*/
protected static $types = array(
'text' => 'Kucrut_Form_Field_Text',
'number' => 'Kucrut_Form_Field_Text',
'url' => 'Kucrut_Form_Field_Text',
'color' => 'Kucrut_Form_Field_Text',
'date' => 'Kucrut_Form_Field_Text',
'hidden' => 'Kucrut_Form_Field_Text',
'checkbox' => 'Kucrut_Form_Field_Checkbox',
'radio' => 'Kucrut_Form_Field_Radio',
'textarea' => 'Kucrut_Form_Field_Textarea',
'select' => 'Kucrut_Form_Field_Select',
'select_multiple' => 'Kucrut_Form_Field_Select_Multiple',
'select_pages' => 'Kucrut_Form_Field_Select_Pages',
'special' => 'Kucrut_Form_Field_Special',
);
/**
* Holds forbidden attributes
*
* @since 0.1.0
* @var array
* @access protected
*/
protected static $forbidden_attributes = array(
'id',
'name',
'value',
'checked',
'multiple',
);
/**
* Holds allowed html tags
*
* @since 0.1.0
* @var array
* @access protected
*/
protected $allowed_html = array(
'a' => array(
'href' => true,
'target' => true,
'title' => true,
),
'code' => true,
'em' => true,
'p' => array( 'class' => true ),
'span' => array( 'class' => true ),
'strong' => true,
);
/**
* Holds constructed field
*
* @since 0.1.0
* @var array
* @access protected
*/
protected $field;
/**
* Holds field attributes
*
* @since 0.1.0
* @var array
* @access protected
*/
protected $attributes = array();
/**
* Loader
*
* @param string URL path to this directory
*/
final public static function load( $url_path = null ) {
// Set URL path for assets
if ( ! is_null( $url_path ) ) {
self::$url_path = $url_path;
} else {
self::$url_path = plugin_dir_url( __FILE__ );
}
// Supported field types
self::$types = apply_filters(
'form_field_types',
self::$types
);
}
/**
* Create field
*
* @param array $field Field array
* @param array $args Extra field arguments
*/
final public static function create( array $field, $args = array() ) {
$field = wp_parse_args( $field, self::$defaults['field'] );
if ( ! isset( self::$types[ $field['type'] ] )
|| ! is_subclass_of( self::$types[ $field['type'] ], __CLASS__ )
) {
trigger_error(
sprintf(
esc_html__( '%1$s: Type %2$s is not supported, reverting to text.', 'menu-icons' ),
__CLASS__,
esc_html( $field['type'] )
),
E_USER_WARNING
);
$field['type'] = 'text';
}
if ( is_null( $field['value'] ) && ! is_null( $field['default'] ) ) {
$field['value'] = $field['default'];
}
foreach ( self::$forbidden_attributes as $key ) {
unset( $field['attributes'][ $key ] );
}
$args = (object) wp_parse_args( $args, self::$defaults['args'] );
$class = self::$types[ $field['type'] ];
return new $class( $field, $args );
}
/**
* Constructor
*
* @since 0.1.0
* @param array $field Field array
* @param object $args Extra field arguments
*/
public function __construct( $field, $args ) {
$this->field = $field;
$this->args = $args;
if ( ! is_array( $this->args->keys ) ) {
$this->args->keys = array();
}
$this->args->keys[] = $field['id'];
$this->attributes['id'] = $this->create_id();
$this->attributes['name'] = $this->create_name();
$this->attributes = wp_parse_args(
$this->attributes,
(array) $field['attributes']
);
$this->set_properties();
}
/**
* Attribute
*
* @since 0.1.0
* @param string $key Attribute key
* @return mixed NULL if attribute doesn't exist
*/
public function __get( $key ) {
foreach ( array( 'attributes', 'field' ) as $group ) {
if ( isset( $this->{$group}[ $key ] ) ) {
return $this->{$group}[ $key ];
}
}
return null;
}
/**
* Create id/name attribute
*
* @since 0.1.0
* @param string $format Attribute format
*/
protected function create_id_name( $format ) {
return call_user_func_array(
'sprintf',
array_merge(
array( $format ),
$this->args->keys
)
);
}
/**
* Create id attribute
*
* @since 0.1.0
* @access protected
* @return string
*/
protected function create_id() {
$format = implode( '-', $this->args->keys );
return $this->create_id_name( $format );
}
/**
* Create name attribute
*
* @since 0.1.0
* @access protected
* @return string
*/
protected function create_name() {
$format = '%s';
$format .= str_repeat( '[%s]', ( count( $this->args->keys ) - 1 ) );
return $this->create_id_name( $format );
}
/**
* Set field properties
*
* @since 0.1.0
*/
protected function set_properties() {}
/**
* Build field attributes
*
* @since 0.1.0
* @param array $excludes Attributes to be excluded
* @return string
*/
protected function build_attributes( $excludes = array() ) {
$excludes = array_filter( (array) $excludes );
$attributes = '';
foreach ( $this->attributes as $key => $value ) {
if ( in_array( $key, $excludes, true ) ) {
continue;
}
if ( 'class' === $key ) {
$value = implode( ' ', (array) $value );
}
$attributes .= sprintf(
' %s="%s"',
esc_attr( $key ),
esc_attr( $value )
);
}
return $attributes;
}
/**
* Print field
*
* @since 0.1.0
*/
abstract public function render();
/**
* Print field description
*
* @since 0.1.0
*/
public function description() {
if ( ! empty( $this->field['description'] ) ) {
$tag = ( ! empty( $this->args->inline_description ) ) ? 'span' : 'p';
printf( // WPCS: XSS ok.
'<%1$s class="description">%2$s</%1$s>',
$tag,
wp_kses( $this->field['description'], $this->allowed_html )
);
}
}
}
/**
* Field: text
*/
class Kucrut_Form_Field_Text extends Kucrut_Form_Field {
protected $template = '<input type="%s" value="%s"%s />';
protected function set_properties() {
if ( ! is_string( $this->field['value'] ) ) {
$this->field['value'] = '';
}
if ( in_array( $this->field['type'], array( 'text', 'url' ), true ) ) {
if ( ! isset( $this->attributes['class'] ) ) {
$this->attributes['class'] = array();
}
$this->attributes['class'] = array_unique(
array_merge(
array( 'regular-text' ),
$this->attributes['class']
)
);
}
}
public function render() {
printf( // WPCS: xss ok
$this->template,
esc_attr( $this->field['type'] ),
esc_attr( $this->field['value'] ),
$this->build_attributes()
);
$this->description();
}
}
/**
* Field: Textarea
*/
class Kucrut_Form_Field_Textarea extends Kucrut_Form_Field {
protected $template = '<textarea%s>%s</textarea>';
protected $attributes = array(
'class' => 'widefat',
'cols' => 50,
'rows' => 5,
);
public function render() {
printf( // WPCS: XSS ok.
$this->template,
$this->build_attributes(),
esc_textarea( $this->field['value'] )
);
}
}
/**
* Field: Checkbox
*/
class Kucrut_Form_Field_Checkbox extends Kucrut_Form_Field {
protected $template = '<label><input type="%s" value="%s"%s%s /> %s</label><br />';
protected function set_properties() {
$this->field['value'] = array_filter( (array) $this->field['value'] );
$this->attributes['name'] .= '[]';
}
protected function checked( $value ) {
return checked( in_array( $value, $this->field['value'], true ), true, false );
}
public function render() {
foreach ( $this->field['choices'] as $value => $label ) {
printf( // WPCS: XSS ok.
$this->template,
$this->field['type'],
esc_attr( $value ),
$this->checked( $value ),
$this->build_attributes( 'id' ),
esc_html( $label )
);
}
}
}
/**
* Field: Radio
*/
class Kucrut_Form_Field_Radio extends Kucrut_Form_Field_Checkbox {
protected function set_properties() {
if ( ! is_string( $this->field['value'] ) ) {
$this->field['value'] = '';
}
}
protected function checked( $value ) {
return checked( $value, $this->field['value'], false );
}
}
/**
* Field: Select
*/
class Kucrut_Form_Field_Select extends Kucrut_Form_Field {
protected $template = '<option value="%s"%s>%s</option>';
protected function set_properties() {
if ( ! is_string( $this->field['value'] ) ) {
$this->field['value'] = '';
}
}
protected function selected( $value ) {
return selected( ( $value === $this->field['value'] ), true, false );
}
public function render() {
?>
<select<?php echo $this->build_attributes() // xss ok ?>>
<?php foreach ( $this->field['choices'] as $index => $choice ) : ?>
<?php
if ( is_array( $choice ) ) {
$value = $choice['value'];
$label = $choice['label'];
} else {
$value = $index;
$label = $choice;
}
?>
<?php
printf( // WPCS: XSS ok.
$this->template,
esc_attr( $value ),
$this->selected( $value ),
esc_html( $label )
);
?>
<?php endforeach; ?>
</select>
<?php
}
}
/**
* Field: Multiple Select
*/
class Kucrut_Form_Field_Select_Multiple extends Kucrut_Form_Field_Select {
protected function set_properties() {
$this->field['value'] = array_filter( (array) $this->field['value'] );
$this->attributes['name'] .= '[]';
$this->attributes['multiple'] = 'multiple';
}
protected function selected( $value ) {
return selected( in_array( $value, $this->field['value'], true ), true, false );
}
}
/**
* Field: Select Pages
*/
class Kucrut_Form_Field_Select_Pages extends Kucrut_Form_Field_Select {
protected $wp_dropdown_pages_args = array(
'depth' => 0,
'child_of' => 0,
'option_none_value' => '',
);
public function __construct( $field, $args ) {
$this->wp_dropdown_pages_args['show_option_none'] = __( '&mdash; Select &mdash;', 'menu-icons' );
parent::__construct( $field, $args );
}
public function set_properties() {
parent::set_properties();
if ( empty( $this->args->wp_dropdown_pages_args ) ) {
$this->args->wp_dropdown_pages_args = array();
}
// Apply defeaults
$this->args->wp_dropdown_pages_args = wp_parse_args(
$this->args->wp_dropdown_pages_args,
$this->wp_dropdown_pages_args
);
// Force some args
$this->args->wp_dropdown_pages_args = array_merge(
$this->args->wp_dropdown_pages_args,
array(
'echo' => true,
'name' => $this->attributes['name'],
'id' => $this->attributes['id'],
'selected' => $this->field['value'],
)
);
}
public function render() {
wp_dropdown_pages( $this->args->wp_dropdown_pages_args ); // WPCS: XSS ok.
}
}
/**
* Field: Special (Callback)
*/
class Kucrut_Form_Field_Special extends Kucrut_Form_Field {
public function render() {
call_user_func_array(
$this->field['render_cb'],
array( $this )
);
}
}