editor.admin.inc

<?php


/**
 * @file
 * Administration functions for editor.module.
 */
use Drupal\Component\Utility\Environment;
use Drupal\Core\StreamWrapper\StreamWrapperInterface;
use Drupal\Core\StringTranslation\ByteSizeMarkup;
use Drupal\editor\Entity\Editor;

/**
 * Subform constructor to configure the text editor's image upload settings.
 *
 * Each text editor plugin that is configured to offer the ability to insert
 * images, should use this form to update the text editor's configuration so
 * that it knows whether it should allow the user to upload images.
 *
 * @param \Drupal\editor\Entity\Editor $editor
 *   The text editor entity that is being edited.
 *
 * @return array
 *   The image upload settings form.
 */
function editor_image_upload_settings_form(Editor $editor) {
    // Defaults.
    $image_upload = $editor->getImageUploadSettings();
    $image_upload += [
        'status' => FALSE,
        'scheme' => \Drupal::config('system.file')->get('default_scheme'),
        'directory' => 'inline-images',
        'max_size' => '',
        'max_dimensions' => [
            'width' => '',
            'height' => '',
        ],
    ];
    $form['status'] = [
        '#type' => 'checkbox',
        '#title' => t('Enable image uploads'),
        '#default_value' => $image_upload['status'],
        '#attributes' => [
            'data-editor-image-upload' => 'status',
        ],
        '#description' => t('When enabled, images can only be uploaded. When disabled, images can only be added by URL.'),
    ];
    $show_if_image_uploads_enabled = [
        'visible' => [
            ':input[data-editor-image-upload="status"]' => [
                'checked' => TRUE,
            ],
        ],
    ];
    // Any visible, writable wrapper can potentially be used for uploads,
    // including a remote file system that integrates with a CDN.
    $options = \Drupal::service('stream_wrapper_manager')->getDescriptions(StreamWrapperInterface::WRITE_VISIBLE);
    if (!empty($options)) {
        $form['scheme'] = [
            '#type' => 'radios',
            '#title' => t('File storage'),
            '#default_value' => $image_upload['scheme'],
            '#options' => $options,
            '#states' => $show_if_image_uploads_enabled,
            '#access' => count($options) > 1,
        ];
    }
    // Set data- attributes with human-readable names for all possible stream
    // wrappers, so that it can be used by the summary rendering of other code.
    foreach (\Drupal::service('stream_wrapper_manager')->getNames(StreamWrapperInterface::WRITE_VISIBLE) as $scheme => $name) {
        $form['scheme'][$scheme]['#attributes']['data-label'] = t('Storage: @name', [
            '@name' => $name,
        ]);
    }
    $form['directory'] = [
        '#type' => 'textfield',
        '#default_value' => $image_upload['directory'],
        '#title' => t('Upload directory'),
        '#description' => t("A directory relative to Drupal's files directory where uploaded images will be stored."),
        '#states' => $show_if_image_uploads_enabled,
    ];
    $default_max_size = ByteSizeMarkup::create(Environment::getUploadMaxSize());
    $form['max_size'] = [
        '#type' => 'textfield',
        '#default_value' => $image_upload['max_size'],
        '#title' => t('Maximum file size'),
        '#description' => t('If this is left empty, then the file size will be limited by the PHP maximum upload size of @size.', [
            '@size' => $default_max_size,
        ]),
        '#maxlength' => 20,
        '#size' => 10,
        '#placeholder' => $default_max_size,
        '#states' => $show_if_image_uploads_enabled,
    ];
    $form['max_dimensions'] = [
        '#type' => 'item',
        '#title' => t('Maximum dimensions'),
        '#description' => t('Images larger than these dimensions will be scaled down.'),
        '#states' => $show_if_image_uploads_enabled,
    ];
    $form['max_dimensions']['width'] = [
        '#title' => t('Width'),
        '#title_display' => 'invisible',
        '#type' => 'number',
        '#default_value' => empty($image_upload['max_dimensions']['width']) ? '' : $image_upload['max_dimensions']['width'],
        '#size' => 8,
        '#maxlength' => 8,
        '#min' => 1,
        '#max' => 99999,
        '#placeholder' => t('width'),
        '#field_suffix' => ' x ',
        '#states' => $show_if_image_uploads_enabled,
        '#prefix' => '<div class="form--inline clearfix">',
    ];
    $form['max_dimensions']['height'] = [
        '#title' => t('Height'),
        '#title_display' => 'invisible',
        '#type' => 'number',
        '#default_value' => empty($image_upload['max_dimensions']['height']) ? '' : $image_upload['max_dimensions']['height'],
        '#size' => 8,
        '#maxlength' => 8,
        '#min' => 1,
        '#max' => 99999,
        '#placeholder' => t('height'),
        '#field_suffix' => t('pixels'),
        '#states' => $show_if_image_uploads_enabled,
        '#suffix' => '</div>',
    ];
    return $form;
}