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81 lines
2.4 KiB
81 lines
2.4 KiB
<?php
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defined( 'ABSPATH' ) || die;
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/**
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* The image select field which behaves similar to the radio field but uses images as options.
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*/
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class RWMB_Image_Select_Field extends RWMB_Field {
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public static function admin_enqueue_scripts() {
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wp_enqueue_style( 'rwmb-image-select', RWMB_CSS_URL . 'image-select.css', [], RWMB_VER );
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wp_style_add_data( 'rwmb-image-select', 'path', RWMB_CSS_DIR . 'image-select.css' );
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wp_enqueue_script( 'rwmb-image-select', RWMB_JS_URL . 'image-select.js', [ 'jquery' ], RWMB_VER, true );
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}
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/**
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* Get field HTML.
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*
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* @param mixed $meta Meta value.
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* @param array $field Field parameters.
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* @return string
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*/
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public static function html( $meta, $field ) {
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$html = [];
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$meta = (array) $meta;
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foreach ( $field['options'] as $value => $image ) {
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$attributes = self::get_attributes( $field, $value );
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$html[] = sprintf(
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'<label class="rwmb-image-select"><img src="%s"><input %s%s></label>',
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$image,
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self::render_attributes( $attributes ),
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checked( in_array( $value, $meta ), true, false )
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);
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}
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return implode( ' ', $html );
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}
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/**
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* Normalize parameters for field.
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*
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* @param array $field Field parameters.
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* @return array
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*/
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public static function normalize( $field ) {
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$field = parent::normalize( $field );
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$field['options'] = $field['options'] ?? [];
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$field['field_name'] .= $field['multiple'] ? '[]' : '';
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return $field;
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}
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/**
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* Get the attributes for a field.
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*
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* @param array $field Field parameters.
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* @param mixed $value Meta value.
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* @return array
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*/
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public static function get_attributes( $field, $value = null ) {
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$attributes = parent::get_attributes( $field, $value );
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$attributes['id'] = false;
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$attributes['type'] = $field['multiple'] ? 'checkbox' : 'radio';
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$attributes['value'] = $value;
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return $attributes;
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}
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/**
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* Format a single value for the helper functions. Sub-fields should overwrite this method if necessary.
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*
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* @param array $field Field parameters.
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* @param string $value The value.
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* @param array $args Additional arguments. Rarely used. See specific fields for details.
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* @param int|null $post_id Post ID. null for current post. Optional.
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*
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* @return string
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*/
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public static function format_single_value( $field, $value, $args, $post_id ) {
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return $value ? sprintf( '<img src="%s">', esc_url( $field['options'][ $value ] ) ) : '';
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}
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}
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