File properties/class-papi-property-dropdown.php

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<?php

/**
 * Dropdown property.
 */
class Papi_Property_Dropdown extends Papi_Property {

    /**
     * Format the value of the property before it's returned
     * to WordPress admin or the site.
     *
     * @param  mixed  $value
     * @param  string $slug
     * @param  int    $post_id
     *
     * @return mixed
     */
    public function format_value( $value, $slug, $post_id ) {
        return papi_cast_string_value( $value );
    }

    /**
     * Get default settings.
     *
     * @return array
     */
    public function get_default_settings() {
        return [
            'placeholder' => '',
            'items'       => [],
            'selected'    => [],
            'select2'     => true
        ];
    }

    /**
     * Get dropdown items.
     *
     * @return array
     */
    protected function get_items() {
        return papi_to_array( $this->get_setting( 'items', [] ) );
    }

    /**
     * Render property html.
     */
    public function html() {
        $settings     = $this->get_settings();
        $value        = papi_cast_string_value( $this->get_value() );
        $options_html = [];

        // Override selected setting with
        // database value if not empty.
        if ( ! papi_is_empty( $value ) ) {
            $settings->selected = $value;
        }

        $classes = 'papi-fullwidth';

        if ( $settings->select2 ) {
            $classes .= ' papi-component-select2';
        }

        if ( ! empty( $settings->placeholder ) ) {
            $options_html[] = papi_html_tag( 'option', [
                'value' => '',
                $settings->placeholder
            ] );
        }

        // Create option html tags for all items.
        foreach ( $this->get_items() as $key => $value ) {
            $key = is_numeric( $key ) ? $value : $key;

            if ( papi_is_empty( $key ) ) {
                continue;
            }

            $options_html[] = papi_html_tag( 'option', [
                'selected' => $value === $settings->selected ? 'selected' : null,
                'value'    => $value,
                papi_convert_to_string( $key )
            ] );
        }

        papi_render_html_tag( 'select', [
            'class'            => $classes,
            'data-allow-clear' => ! empty( $settings->placeholder ),
            'data-placeholder' => $settings->placeholder,
            'data-width'       => '100%',
            'id'               => $this->html_id(),
            'name'             => $this->html_name(),
            $options_html
        ] );
    }
}

Classes

Functions