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| <?php | |
| /** | |
| * @file | |
| * Hooks provided by the Filter module. | |
| */ | |
| /** | |
| * @addtogroup hooks | |
| * @{ | |
| */ | |
| /** | |
| * Perform alterations on filter definitions. | |
| * | |
| * @param array $info | |
| * Array of information on filters exposed by filter plugins. | |
| */ | |
| function hook_filter_info_alter(&$info) { | |
| // Alter the default settings of the URL filter provided by core. | |
| $info['filter_url']['default_settings'] = array( | |
| 'filter_url_length' => 100, | |
| ); | |
| } | |
| /** | |
| * Alters images with an invalid source. | |
| * | |
| * When the 'Restrict images to this site' filter is enabled, any images that | |
| * are not hosted on the site will be passed through this hook, most commonly to | |
| * replace the invalid image with an error indicator. | |
| * | |
| * @param DOMElement $image | |
| * An IMG node to format, parsed from the filtered text. | |
| */ | |
| function hook_filter_secure_image_alter(&$image) { | |
| // Turn an invalid image into an error indicator. | |
| $image->setAttribute('src', base_path() . 'core/misc/icons/e32700/error.svg'); | |
| $image->setAttribute('alt', t('Image removed.')); | |
| $image->setAttribute('title', t('This image has been removed. For security reasons, only images from the local domain are allowed.')); | |
| // Add a CSS class to aid in styling. | |
| $class = ($image->getAttribute('class') ? trim($image->getAttribute('class')) . ' ' : ''); | |
| $class .= 'filter-image-invalid'; | |
| $image->setAttribute('class', $class); | |
| } | |
| /** | |
| * Perform actions when a text format has been disabled. | |
| * | |
| * @param \Drupal\filter\FilterFormatInterface $format | |
| * The format object of the format being disabled. | |
| */ | |
| function hook_filter_format_disable($format) { | |
| mymodule_cache_rebuild(); | |
| } | |
| /** | |
| * @} End of "addtogroup hooks". | |
| */ |