kai-jacobsen/kontentblocks

<?php

namespace Kontentblocks\Fields\Definitions;

use Kontentblocks\Fields\Field;
use Kontentblocks\Fields\FieldFormRenderer;
use Kontentblocks\Language\I18n;
use Kontentblocks\Templating\FieldView;
use Kontentblocks\Utils\AttachmentHandler;

/**
 * Single file insert/upload.
 * @return array attachment id, ...
 * @todo complete
 *
 */
Class File extends Field
{
    public static $settings = array(
        'type' => 'file'
    );

    public static function init()
    {
        // handle minDimensions Settings
        add_filter('upload_dir', array(__CLASS__, 'uploadFilter'));
    }

    public static function uploadFilter($param)
    {

        $dir = filter_input(INPUT_POST, 'upload_folder', FILTER_DEFAULT, FILTER_SANITIZE_STRING);

        if (!empty($dir) && is_string($dir)) {
            remove_filter('upload_dir', array(__CLASS__, 'uploadFilter'));

            if ($dir[0] !== '/') {
                $dir = '/' . $dir;
            }

            $upload_dir = wp_upload_dir();

            $param['path'] = $upload_dir['basedir'] . '/' . $dir;
            $param['url'] = $upload_dir['baseurl'] . '/' . $dir;

            if (!is_dir($param['path'])) {
                wp_mkdir_p($param['path']);
            }

            return $param;
        }
        return $param;

    }

    public function prepareTemplateData($data)
    {
        $fileid = $this->getValue('id', '');
        $data['isEmpty'] = (empty($fileid)) ? 'kb-hide' : '';
        $data['file'] = new AttachmentHandler($fileid);
        return $data;
    }

    /**
     * Runs when data is set to the field
     * since we only store an id we gather more informations to work with
     * instead of saving details
     * @param $value
     * @return array
     */
    public function setValue($value)
    {
        if (isset($value['id']) && is_numeric(absint($value['id']))) {
            return wp_prepare_attachment_for_js($value['id']);
        }
        return $value;
    }

    /**
     * @param $val
     *
     * @return mixed
     */
    public function prepareFormValue($val)
    {

        $fileDefaults = array(
            'id' => null,
        );

        $parsed = wp_parse_args($val, $fileDefaults);
        $parsed['id'] = (!is_null($parsed['id'])) ? absint($parsed['id']) : null;

        return $parsed;

    }
}