1: <?php
  2: 
  3: /**
  4:  * HTML checkbox property that can handle one or
  5:  * more checkboxes.
  6:  */
  7: class Papi_Property_Checkbox extends Papi_Property {
  8: 
  9:     /**
 10:      * The convert type.
 11:      *
 12:      * @var string
 13:      */
 14:     public $convert_type = 'array';
 15: 
 16:     /**
 17:      * The default value.
 18:      *
 19:      * @var array
 20:      */
 21:     public $default_value = [];
 22: 
 23:     /**
 24:      * Format the value of the property before it's returned
 25:      * to WordPress admin or the site.
 26:      *
 27:      * @param  mixed  $value
 28:      * @param  string $slug
 29:      * @param  int    $post_id
 30:      *
 31:      * @return array
 32:      */
 33:     public function format_value( $value, $slug, $post_id ) {
 34:         if ( is_string( $value ) && ! papi_is_empty( $value ) ) {
 35:             return [papi_cast_string_value( $value )];
 36:         }
 37: 
 38:         if ( ! is_array( $value ) ) {
 39:             return $this->default_value;
 40:         }
 41: 
 42:         return array_map( 'papi_cast_string_value', $value );
 43:     }
 44: 
 45:     /**
 46:      * Get default settings.
 47:      *
 48:      * @return array
 49:      */
 50:     public function get_default_settings() {
 51:         return [
 52:             'items'    => [],
 53:             'selected' => []
 54:         ];
 55:     }
 56: 
 57:     /**
 58:      * Render property html.
 59:      */
 60:     public function html() {
 61:         $settings = $this->get_settings();
 62:         $value    = papi_cast_string_value( $this->get_value() );
 63: 
 64:         // Override selected setting with
 65:         // database value if not empty.
 66:         if ( ! papi_is_empty( $value ) ) {
 67:             $settings->selected = $value;
 68:         }
 69: 
 70:         $settings->selected = papi_to_array( $settings->selected );
 71: 
 72:         foreach ( $settings->items as $key => $value ) {
 73:             $key = is_numeric( $key ) ? $value : $key;
 74: 
 75:             papi_render_html_tag( 'label', [
 76:                 'class' => 'light',
 77:                 'for'   => $this->html_id( $key ),
 78: 
 79:                 papi_html_tag( 'input', [
 80:                     'checked' => in_array( $value, $settings->selected ) ? 'checked' : null,
 81:                     'id'      => $this->html_id( $key ),
 82:                     'name'    => $this->html_name() . '[]',
 83:                     'type'    => 'checkbox',
 84:                     'value'   => $value
 85:                 ] ),
 86: 
 87:                 papi_convert_to_string( $key )
 88:             ] );
 89: 
 90:             papi_render_html_tag( 'br' );
 91:         }
 92:     }
 93: 
 94:     /**
 95:      * Import value to the property.
 96:      *
 97:      * @param  mixed  $value
 98:      * @param  string $slug
 99:      * @param  int    $post_id
100:      *
101:      * @return mixed
102:      */
103:     public function import_value( $value, $slug, $post_id ) {
104:         if ( is_string( $value ) && ! papi_is_empty( $value ) ) {
105:             return [$value];
106:         }
107: 
108:         if ( ! is_array( $value ) ) {
109:             return;
110:         }
111: 
112:         return $value;
113:     }
114: }
115: