117 lines
2.7 KiB
PHP
117 lines
2.7 KiB
PHP
<?php
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/**
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* Image select field class which uses images as radio options.
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*/
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class MASHSB_RWMB_Image_Select_Field extends MASHSB_RWMB_Field
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{
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/**
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* Enqueue scripts and styles
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*/
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static function admin_enqueue_scripts()
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{
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wp_enqueue_style( 'mashsb-rwmb-image-select', MASHSB_RWMB_CSS_URL . 'image-select.css', array(), MASHSB_RWMB_VER );
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wp_enqueue_script( 'mashsb-rwmb-image-select', MASHSB_RWMB_JS_URL . 'image-select.js', array( 'jquery' ), MASHSB_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
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* @param array $field
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* @return string
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*/
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static function html( $meta, $field )
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{
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$html = array();
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$tpl = '<label class="mashsb-rwmb-image-select"><img src="%s"><input type="%s" class="hidden" name="%s" value="%s"%s></label>';
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$meta = (array) $meta;
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foreach ( $field['options'] as $value => $image )
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{
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$html[] = sprintf(
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$tpl,
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$image,
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$field['multiple'] ? 'checkbox' : 'radio',
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$field['field_name'],
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$value,
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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
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* @return array
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*/
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static function normalize( $field )
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{
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$field = parent::normalize( $field );
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$field['field_name'] .= $field['multiple'] ? '[]' : '';
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return $field;
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}
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/**
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* Output the field value
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* Display unordered list of images with option for size and link to full size
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*
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* @param array $field Field parameters
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* @param array $args Additional arguments. Not used for these fields.
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* @param int|null $post_id Post ID. null for current post. Optional.
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* @return mixed Field value
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*/
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static function the_value( $field, $args = array(), $post_id = null )
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{
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$value = self::get_value( $field, $args, $post_id );
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if ( ! $value )
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return '';
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if ( $field['clone'] )
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{
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$output = '<ul>';
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if ( $field['multiple'] )
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{
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foreach ( $value as $subvalue )
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{
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$output .= '<li><ul>';
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foreach ( $subvalue as $option )
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{
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$output .= sprintf( '<li><img src="%s"></li>', esc_url( $field['options'][$option] ) );
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}
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$output .= '</ul></li>';
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}
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}
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else
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{
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foreach ( $value as $subvalue )
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{
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$output .= sprintf( '<li><img src="%s"></li>', esc_url( $field['options'][$subvalue] ) );
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}
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}
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$output .= '</ul>';
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}
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else
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{
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if ( $field['multiple'] )
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{
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$output = '<ul>';
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foreach ( $value as $subvalue )
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{
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$output .= sprintf( '<li><img src="%s"></li>', esc_url( $field['options'][$subvalue] ) );
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}
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$output .= '</ul>';
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}
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else
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{
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$output = sprintf( '<img src="%s">', esc_url( $field['options'][$value] ) );
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}
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}
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return $output;
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}
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}
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